ZZK-K-ACETAF，乙酸[AF法]检测试剂盒，ACETIC ACID(Acetyl-CoA Synthetase Format)assay Kit产品识别号：ZZK-K-ACETAF产品品名：乙酸[AF法]检测试剂盒英文品名：ACETIC ACID(Acetyl-CoA Synthetase Format)assay Kit规格型号：(141.6 mL of reagent [R1 + R2] per kit;equivalent to 456 reactions of 0.31 mL)INTRODUCTION:The most widely used method for enzymatic quantification of acetic acidis that based on the use of acetyl-coenzyme A synthetase (ACS),according to equations 1 – 3 below. For auto-analyser applications itbecomes necessary to prepare a “master mix” reagent (R1), containing allcomponents of the assay except the reaction initiation enzyme, ACS.However, reagent R1 when prepared from some kits has very limitedon-machine stability, owing to a rapidly increasing absorbance value. Toovercome this issue, Megazyme developed this kit (K-ACETAF), thatdoesn’t exhibit this instability phenomenon. Additionally, theanti-inhibitory compound polyvinylpyrollidone (PVP) has also beenincorporated into the assay to prevent inhibition caused by certaintannins found in grape juice and wine.KITS:Kits suitable for the preparation of 141.6 mL of reagent (equivalent to456 reactions of 0.31 mL) are available from Megazyme.The kits contain the full assay method plus:Bottle 1: Buffer (30 mL, pH 8.4) plus L-malic acid, PVP and sodiumazide (0.02 % w/v) as a preservative. Stable for > 2 years at 4°C.Bottle 2: (x2) NAD+ plus ATP and CoA.Freeze dried powder.Stable for> 5 years at -20°C.Bottle 3: L-Malate dehydrogenase plus citrate synthase suspension, 2.2mL. Stable for > 2 years at 4°C.Bottle 4: Acetyl-coenzyme A synthetase suspension (1.1 mL). Stable for> 2 years at 4°C.REAGENT PREPARATION:Preparation of R1:Component Volumebottle 1 (buffer) 5.50 mLbottle 2 (NAD+/ATP/CoA) 2.20 mL (after adding 5.50 mL of H2O to bottle 2)bottle 3 (L-MDH/CS) 0.44 mL (swirl to mix before use)H2O 18.35 mLTotal volume 26.49 mLPreparation of R2:Component Volumebottle 4 (ACS) 0.22 mL (swirl to mix before use)H2O 1.60 mLTotal volume 1.82 mL EXAMPLE METHOD:R1: 0.290 mLSample: ~ 0.005 mLR2: 0.020 mLReaction time: 15 min at either 20-25°C or 37°CWavelength: 340 nmPrepared reagent stability: > 3 days when refrigeratedCalculation: endpointReaction direction: increaseLinearity: up to 30 μg/mL of acetic acid in final reaction solution温馨提示：需要详细的产品使用说明书，请联系甄准生物：更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-ACET，乙酸检测试剂盒，Acetic Acid (ACS Manual Format) assay Kit产品识别号：ZZK-K-ACET产品品名：乙酸检测试剂盒英文品名：Acetic Acid (ACS Manual Format) assay Kit规格型号：53 Assays per KitA simple method for the rapid and reliable measurement of aceticacid/acetate in foods, beverages and other materials.INTRODUCTION:Acetic acid (acetate) occurs in a wide range of foods and beverages,and in many other materials such as paper, pharmaceuticals andindustrial products. In the wine industry it is one of the mostimportant quality parameters and is measured throughout the entirevinification process. This advanced kit (K-ACET) benefits fromgreatly increased shelf life as the acetyl-coenzyme A synthetase(ACS) is supplied as a highly stable ready-to-use ammonium sulphatesuspension, rather than as a lyophilised powder. Polyvinylpyrollidone(PVP) has also been incorporated into the assay to preventinterference from particular tannins found especially in red wines.This kit is recommended for manual analysis, while two additional kitshave been optimised for auto-analysis applications; K-ACETAF hasextended calibration linearity up to 30 μg/mL (in the final assay), andalso benefits from a stabilisation system that significantly reduces therate of deterioration (increase in absorbance) of prepared reagent,a problem exhibited by some other products; K-ACETAK is a newassay format based on acetate kinase. As an indicator reaction isnot involved in this case, a change in absorbance stoichiometric withthe amount of acetic acid is achieved, resulting in excellent linearcalibration (R2 > 0.999).KITS:Kits suitable for performing 53 determinations are available fromMegazyme. The kits contain the full assay method plus:Bottle 1: Buffer (30 mL, pH 8.4) plus L-malic acid and sodiumazide (0.02 % w/v) as a preservative.Stable for > 2 years at 4°C.Bottle 2: (x2) NAD+ plus ATP, PVP and CoA.Freeze dried powder.Stable for > 5 years at -20°C.Bottle 3: L-Malate dehydrogenase plus citrate synthasesuspension, 1.1 mL.Stable for > 2 years at 4°C.Bottle 4: Acetyl-coenzyme A synthetase suspension (1.1 mL).Stable for > 2 years at 4°C.Bottle 5: Acetic acid standard solution (5 mL, 0.10 mg/mL).Stable for > 2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-ETSULPH，二氧化硫检测试剂盒，Total Sulphite (Enzymatic) Assay Kit产品识别号：ZZK-K-ETSULPH产品品名：二氧化硫检测试剂盒英文品名：Total Sulphite (Enzymatic) Assay Kit规格型号：50 assays (manual) / 500 assays (microplate) / 588 assays (auto-analyser)A simple, highly specific and reliable, enzymatic method for themeasurement of total sulphite (as SO2) in wines, beverages, foodstuffsand other materials. Suitable for manual, auto-analyser and microplate formats.INTRODUCTION:Sulphur dioxide (SO2) is used widely as an additive in various forms, mostcommonly as sulphites (or sulfites), in the wine, beverage and food industrieswhere it acts primarily as an antimicrobial and antioxidant preservative.During wine making, sulphites are used as an essential additive, usuallyat post-malolactic fermentation, in the control of contamination byBrettanomyces during ageing and to also protect the wine againstdetrimental “oxidative and enzymatic browning”. SO2 is only activeas an antimicrobial and antioxidant preservative in the unbound“free” form. Given that SO2 becomes “inactive” when it binds thecolour pigments of wine, and with legal restrictions on SO2 levels inwine, it has become valuable to wine producers to measure both theFree SO2 and Total SO2. In addition to this, due to the increasedawareness of the adverse effects of sulphites and the prevalenceof sulphite intolerance in some individuals, sulphite levels in foodsand drinks are strictly regulated by various governing bodies andtherefore there is a requirement for accurate determination of thelevel of sulphites in foods, beverages and wines.This kit (K-ETSULPH) is suitable for the specific measurement of “TotalSulphite” as SO2 in wines, beverages, foodstuffs and other materials.KITS:Kits suitable for performing 50 assays in manual format (or 588assays in auto-analyser format or 500 assays in microplate format) areavailable from Megazyme. The kits contain the full assay method plus:Bottle 1: Buffer (28 mL; pH 8.0) plus sodium azide(0.02% w/v) as a preservative.Stable for 大于 2 years at 4°C.Bottle 2: NADH.Freeze dried powder.Stable for 大于 2 years at -20°C.Bottle 3: NADH peroxidase suspension (1.1 mL).Stable for 大于 2 years at 4°C.Bottle 4: Sulfite oxidase suspension (1.1 mL).Stable for 大于 2 years at 4°C.Bottle 5: Sodium sulphite standard powder (~ 5 g).Stable for 大于 5 years at room temperature.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-FRGLMQ，D-果糖 D-葡萄糖检测试剂盒，D-Fructose and D-Glucose MegaQuant Format Assay Kit产品识别号：ZZK-K-FRGLMQ产品品名：D-果糖 D-葡萄糖检测试剂盒英文品名：D-Fructose and D-Glucose MegaQuant Format Assay Kit规格型号：60 assays per kitFor the measurement of D-Fru ctose and D-Glu cose in grapes, grape juiceand wine using the MegaQuant? colorimeter (measurement at 505 nm).INTRODUCTION:D-Fru ctose and D-Glu cose are found in most plant products. In foods,they are present in significant quantities in honey, wine and beer, anda range of solid foodstuffs such as bread and pastries, chocolate andcandies. In the wine industry, the D-Fru ctose and D-Glu cose content isone of the most important parameters and is monitored at each stage ofthe wine making process. The specific aim of the current assay format isto provide a simple, rugged, reliable and accurate method for themeasurement of D-Fru ctose plus D-Glu cose employing an inexpensivecolorimeter (the MegaQuantTM Meter).KITS:Kits suitable for performing 60 determinations are available fromMegazyme. The kits contain the full assay method plus:Bottle 1: Buffer (100 mL, pH 10.0) plus sodium azide (0.02% w/v) as a preservative.NOTE: This buffer contains sodium azide (0.02% w/v) as apreservative, and thus should not be dispensed using a mouth pipette.Stable for 大于 2 years at 4°C.Bottle 2: Test tablets (60) containing NADP+, ATP, INT and FAD. Theseare supplied in a special plastic vial containing impregnated desiccant.Allow this container to warm to room temperature (preferably in thepresence of a desiccant) before opening to remove tablets. This willensure that the remaining tablets will not absorb moisture and thusguarantee maximum stability. Stable for 大于 2 years when stored at-20°C in a domestic freezer (preferably in a sealed container with adrying agent such as silica gel).Bottle 3: Hexokinase, Glu cose-6-phosphate dehydrogenase, phosphoGlu coseisomerase and diaphorase suspension, 1.3 mL.Stable for大于 2 years at 4°C.Bottle 4: D-Fru ctose standard solution (5 mL, 0.50 mg/mL) in 0.02% w/vsodium azide.Stable for大于 2 years at 4°C.Bottle 5: Tablets (65) containing PVPP.Stable for大于 5 years at room temperature.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-GALM，半乳甘露聚糖检测试剂盒，Galactomannan Assay Kit产品识别号：ZZK-K-GALM产品品名：半乳甘露聚糖检测试剂盒英文品名：Galactomannan Assay Kit规格型号：100 Assays per kitFor the measurement of Galactomannan in food and plant products.INTRODUCTION:Galactomannans occur in nature as the reserve polysaccharides in theendosperms of a wide range of legume seeds. These polysaccharides, inpartially purified form, find widespread application as thickening andgelling (in the presence of other polysaccharides) agents in the foodindustry. Partially degraded guar galactomannan is used as a noveldietary fibre component.Galactomannan is composed of a 1,4-β-linked D-mannan backbone to whichsingle D-galactosyl units are attached to C-6 of some of the D-mannosylresidues. The major difference between galactomannans from differentseed species is the ratio of D-galactose to D-mannose. However, somevariation in the molecular weight of the galactomannans has also beenreported. The D-galactose : D-mannose ratio of galactomannan fromdifferent varieties of a given seed species appears to be remarkablyconstant. In a detailed study of galactomannans, purified from approx.50 samples of carob flour from diverse sources and from a range of carobvarieties, it was shown that the D-galactose : D-mannose ratio isconstant, i.e. 22 ± 1% (w/w) D-galactose and 78 ± 1% (w/w) D-mannose(McCleary et al. 1985). In a parallel study on the galactomannan fromguar seed varieties, a D-galactose content of 38 ± 1% (w/w) andD-mannose content of 62% ± 1% (w/w) was found. This observation wouldalso appear to hold true for galactomannan from other seeds, e.g.fenugreek seed, but in these cases the studies have not been as comprehensive.Galactomannans are quantitatively hydrolysed to D-galactose andmanno-oligosaccharides by a mixture of α-galactosidase plusβ-mannanase (McCleary and Matheson, 1983).Thus, a procedure has been developed for the measurement of carobgalactomannan and guar galactomannan (or, in fact, possibly any othergalactomannan) based on the measurement of the D-galactose content.KITS:Kits suitable for performing 100 assays are available from Megazyme.The kits contain the full assay method plus:Bottle 1: Buffer (25 mL, pH 8.6) plus sodium azide (0.02% w/v) as apreservative (Buffer A).Stable for 大于 2 years at 4°C.Bottle 2: NAD+.Stable for大于 5 years at -20°C.Bottle 3: β-Mannanase suspension (A. niger; 1.1 mL). Stable for 大于 4years at 4°C.Bottle 4: α-Galactosidase (guar seed) plus β-mannanase(A. niger) suspension, 2.2 mL.Stable for大于 4 years at 4°C.Bottle 5: β-Galactose dehydrogenase 2.4 mL.Stable for 大于 2 years at 4°C.Bottle 6: D-Galactose standard solution (5 mL, 0.4 mg/mL in 0.02%sodium azide).Stable for大于 4 years at 4°C.Bottle 7: Control carob galactomannan flour sample (with galactomannancontent as stated on the vial label).Stable for 大于 5 years at room temperature.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-GATE，D-葡萄糖酸/D-葡萄糖酸内脂检测试剂盒，D-Gluconate/D-Glucono-δ-lactone Assay Kit产品识别号：ZZK-K-GATE产品品名：D-葡萄糖酸 / D-葡萄糖酸内脂检测试剂盒英文品名：D-Gluconate/D-Glucono-δ-lactone Assay Kit规格型号：60 assays (manual) / 600 assays (microplate) /600 assays (auto-analyser)For the specific assay of D-gluconic acid/D-gluconolactone in foods and beverages.INTRODUCTION:D-Gluconic acid is found in many foodstuffs and beverages, such aswine, soft drinks, vinegar, meat, fruit juice, dairy products, rice andhoney. This non-volatile organic acid imparts a sour, but refreshing,taste and, given its occurrence in many natural foods and in humanmetabolism, has been granted GRAS status. The ratios of ethanoland glycerol to D-gluconic acid are a quality indicator in the wineindustry. Botrytis infected grapes exhibit increased levels of thisacid, that can reach 1-2 g/L. There are many other applications ofD-gluconic acid, including dietary supplements, detergents and inthe pickling of foods. D-Glucono-δ-lactone is found in associationwith D-gluconic acid, e.g. in wine, and is also widely used in the foodindustry. Foodstuffs containing D-glucono-δ-lactone include beancurd, yogurt, cottage cheese, bread, confectionery and meat.KITS:Kits suitable for performing 60 assays in manual format (or 600 assaysin auto-analyser format or 600 assays in microplate format) are availablefrom Megazyme. The kits contain the full assay method plus:Bottle 1: Buffer (12.5 mL, pH 7.6) plus sodium azide (0.02% w/v)as a preservative.Stable for 大于 2 years at 4°C.Bottle 2: NADP+ plus ATP.Stable for 大于 5 years at -20°C.Bottle 3: 6-Phosphogluconate dehydrogenase suspension(1.25 mL).Stable for 大于 2 years at 4°C.Bottle 4: Gluconate kinase suspension (1.25 mL).Stable for 大于 2 years at 4°C.Bottle 5: Sodium D-gluconate (~ 2 g).温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-GLUHKL，D-葡萄糖[HK法]检测试剂盒，D-Glucose HK (Large) Assay Kit产品货号：ZZK-GLUHKL产品品名：D-葡萄糖[HK法]检测试剂盒英文品名：D-Glucose HK (Large) Assay Kit规格型号：220 assays (manual) / 2200 assays (microplate) / 2000 assays (auto-analyser)High purity reagents for the assay of D-Glu cose in plant and foodproducts. Can be used in combination with other Megazyme products thatrequire Glu cose determination.INTRODUCTION:D-Glu cose is found in most plant and food products. In plant materials,it occurs as a free sugar or in a range of di-, oligo- and poly-saccharidessuch as starch, 1,3:1,4-β-D-glucans and cellulose. It is present insignificant quantities in honey, wine and beer, and a range of solidfoodstuffs such as bread and pastries, chocolate and candies.KITS:Kits suitable for performing 110 / 220 assays in manual format (or1000 / 2000 assays in auto-analyser format or 1100 / 2200 assays inmicroplate format) are available from Megazyme. The kits containthe full assay method plus:110 Determinations Kit (cat. no. K-GLUHKR)Bottle 1: Buffer (25 mL, pH 7.6) plus sodium azide(0.02% w/v) as a preservative.Stable for 大于 2 years at 4°C.Bottle 2: NADP+ plus ATP.Stable for 大于 5 years at -20°C.Bottle 3: Hexokinase plus Glu cose-6-phosphatedehydrogenase suspension, 2.25 mL.Stable for 大于 2 years at 4°C.Bottle 4: D-Glu cose standard solution(5 mL, 0.4 mg/mL).Stable for 大于 2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-GLUT，L-谷氨酸检测试剂盒，L-Glutamic Acid Assay Kit产品识别号：ZZK-K-GLUT产品品名：L-谷氨酸检测试剂盒英文品名：L-Glutamic Acid Assay Kit规格型号：60 assays (manual) / 600 assays (microplate) / 700 assays (auto-analyser)A simple, reliable, rapid and accurate method for the determination ofL-Gluta mate (MSG) in foodstuffs.INTRODUCTION:L-Glutamic acid (L-Gluta mate), one of the 20 common amino acids,occurs naturally in foods such as cheese, milk, meat, fish, corn,tomatoes, mushrooms, soybean and sugar beet. In its free form,L-glutamic acid is the major flavour enhancing component of foodswith a meaty/savoury taste. The role played by L-glutamic acid inthe palatability of foods is exploited by either traditional cookingmethods that release free L-glutamic acid, or by supplementationwith monosodium Gluta mate (MSG). Excessive use of MSG as afood additive (E621) in processed foods results in the symptoms of“Chinese Restaurant Syndrome” (CRS), where palpitations, severeheadaches, nausea, wheezing and increased body temperature arethought to result from the neuro-excitory properties of freeL-glutamic acid. Onset of CRS is fast, only 30-60 min after ingestion,and symptoms generally subside after approximately 2-3 hours.Around 15% of Americans are sensitive to MSG.KITS:Kits suitable for performing 60 assays in manual format (or 700 assaysin auto-analyser format or 600 assays in microplate format) are availablefrom Megazyme. The kits contain the full assay method plus:Bottle 1: Buffer (35 mL, pH 8.6) plus sodium azide (0.02% w/v)as a preservative.Stable for 大于 2 years at 4°C.Bottle 2: (x2) NAD+ plus INT.Stable for 大于 2 years at 4°C.Bottle 3: Diaphorase suspension (3.1 mL).Stable for 大于 2 years at 4°C.Bottle 4: Gluta mate dehydrogenase solution (3.1 mL).Stable for 大于 2 years at -20°C.Bottle 5: L-Glutamic acid standard solution(5 mL, 0.10 mg/mL) in 0.02% (w/v) sodium azide.Stable for 大于 2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-HDBA，D-3-羟丁酸检测试剂盒，D-3-Hydroxybutyric Acid Assay Kit产品识别号：ZZK-K-HDBA产品品名：D-3-羟丁酸检测试剂盒英文品名：D-3-Hydroxybutyric Acid Assay Kit规格型号：60 assays (manual) / 600 assays (microplate) / 740 assays (auto-analyser)For the specific assay of D-hydroxybutyric acid in eggs and eggproducts and other foods and beverages.INTRODUCTION:In fertilised or incubated eggs, the level of D-3-hydroxybutyric acidrises from trace levels to 大于 5 mg/kg (dry weight), and can reachapproximately 800 mg/kg in badly spoiled eggs. AsD-3-hydroxybutyric acid producing processes only occur afterapproximately 6 days, the level of this acid is used to indicate howfresh eggs are, or how fresh eggs were, when they were employedin the manufacture of processed egg products. In clinical chemistry,the level of D-3-hydroxybutyric acid is determined in the diagnosis ofdiabetic ketoacidosis.KITS:Kits suitable for performing 60 assays in manual format (or 740assays in auto-analyser format or 600 assays in microplate format) areavailable from Megazyme. The kits contain the full assay method plus:Bottle 1: Buffer (35 mL, pH 8.6) plus sodium azide(0.02% w/v).Stable for 大于 2 years at 4°C.Bottle 2: (x2) NAD+ plus INT.Stable for 大于 2 years at 4°C.Bottle 3: Diaphorase suspension (1.25 mL).Stable for 大于 2 years at 4°C.Bottle 4: 3-Hydroxybutyrate dehydrogenase suspension(1.25 mL).Stable for 大于 2 years at 4°C.Bottle 5: D-3-Hydroxybutyric acid standard solution(5 mL, 0.06 mg/mL).Stable for 大于 2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-INTDF，综合总膳食纤维检测试剂盒，Integrated Total Dietary Fibre Assay Kit产品识别号：ZZK-K-INTDF产品品名：综合总膳食纤维检测试剂盒英文品名：Integrated Total Dietary Fibre Assay Kit规格型号：100 assays per kitAOAC Method 2009.01 & 2011.25, AACC Method 32-45.01 & 32-50.01INTRODUCTION:It is generally believed1-3 that an increased consumption of dietaryfibre (DF) will lead to a reduction in conditions such as constipation,diabetes, obesity, coronary heart disease and others. In the 1970’sTrowell had developed a definition of dietary fibre which evolved in19763 to:“Dietary fibre consists of the remnants of edible plant cells,polysaccharides, lignin, and associated substances resistant todigestion by the alimentary enzymes of humans.”This definition defines a macro constituent of foods which includescellulose, hemicellulose, lignin, gums, modified celluloses, mucilages,oligosaccharides, pectins and associated minor substances such as waxes,cutin, and suberin.On the basis of this definition3, appropriate methodology for themeasurement of DF was developed by a consortium of researchers in Europeand USA. This led to AOAC Official Method 985.29 (the Prosky method),4,5and to subsequent modifications of this method, including AOAC OfficialMethod 991.434 in which the buffers were changed. The aim of thesemethods was to give an accurate measurement of the content of totaldietary fibre in plant products and food materials. More specifically,the methodology aimed at hydrolysing and removing starch and protein.Fats were removed by the solvents employed to recover the non-hydrolysedmaterial. From the outset, it was realised that all protein was nothydrolysed, so each sample was then analysed in duplicate and residuesrecovered and weighed. One of these residues is analysed for ash contentand the other for protein. These weights are subtracted from the averageof the residue weights. It was also realised that, in the analyticalprocedure, starch also was not completely hydrolysed and removed. Thisin turn led to the discovery of so-called “resistant starch (RS)”. Thequestion then was, “should RS be measured and added to the total dietaryfibre value, or should it be analytically removed and ignored?” Since RSescapes digestion in the human small intestine, the general consensus isthat it should be accurately measured and included. Research in the1990’s showed that AOAC Official Method 991.43 underestimates RS, soalternative methods for the measurement of this component were developedand evaluated. While most of these new methods gave similar results fora range of RS containing samples, none of the methods survived therigours of interlaboratory evaluation except that of McCleary et al.6(AOAC Method 2002.02), which also gave results in line with thoseobtained from ileostomy patients.In the mid-1990’s it was generally agreed that dietary fibre shouldalso include non-digestible oligosaccharides (NDO), as these behavedphysiologically as dietary fibre. Specific methods were developed forfructan [and fructo-oligosaccharides (FOS)] (AOAC Methods 997.081and 999.03)7,8, galacto-oligosaccharides (GOS) (AOAC Method2001.03)9, resistant maltodextrins (RMD) (AOAC Method 2001.03)10and Polydextrose? (AOAC Method 2000.11)11. The developmentof these methodologies was very useful for ingredient developers,food manufacturers and analysts measuring the specific component.However, for those interested in measuring the total dietary fibrecontent of a material, a problem was introduced. For many ofthese specific carbohydrates (including RS, inulin and resistantmaltodextrins) a portion of the component is also measured byAOAC Official method 985.29 and 991.43. Thus if the value for acomponent determined using the specific method is added to thetotal dietary fibre value, some of the component is double counted.This is clearly depicted in Figure 1.Figure 1. Components measured, and not measured, by AOACOfficial Methods 985.29 and 991.43.This problem of potential double counting led us to research anddevelop a procedure that allows the measurement of total dietaryfibre, which includes RS and NDO. This integrated total dietaryfibre (INTDF) procedure is depicted in Figure 2 and is modelled onAOAC Official Methods 2002.02 (resistant starch), 991.43 (totaldietary fibre) and 2001.03 (resistant maltodextrins). The theoryof this method is discussed in detail in McCleary (2007)12 and hasbeen successfully subjected to an interlaboratory evaluation throughAOAC International (AOAC Method 2009.01)13. A modified methodfor separately measuring insoluble dietary fibre (IDF), dietary fibresoluble in water but precipitated in 78% aqueous ethanol (SDFP),and dietary fibre soluble in water and not precipitated in 78%aqueous ethanol (SDFS) has also been successfully evaluated (AOACMethod 2011.25)14. SDFP was previously termed high molecularweight soluble dietary fibre (HMWSDF) and SDFS was previouslytermed low molecular weight soluble dietary fibre (LMWSDF) and isalso referred to as non-digestible oligosaccharides (NDO).Several minor modifications to ensure complete measurement of FOSand complete removal of non-resistant maltodextrins are describedTotal Dietary Fibre(AOAC Method 985.29)(AOAC Method 991.43)PolydextroseFibersol 2Resistant StarchCelluloseBeta-GlucanGalactomannanArabinoxylanGalacto-oligosaccharidesRaffinose/StachyosePectinArabinogalactanInulin FOSFigure 2. Principle of the Integrated (Codex compliant) Total DietaryFibre assay procedure showing separate measurement of IDF, SDFP and SDFS.In November 2008, the Codex Committee on Nutrition and Foods forSpecial Dietary Uses (CCNFSDU) established a definition for dietaryfibre. This definition was accepted by the Codex Alimentarius Commission(CAC) in 2009 (FAO, 2009)16, marking the achievement of international consensus:“Dietary fiber consists of carbohydrate polymers with ten or moremonomeric units, which are not hydrolyzed by the endogenous enzymes inthe small intestine of humans and belong to the following categories:edible carbohydrate polymers naturally occurring in the food asconsumed; carbohydrate polymers which have been obtained from food rawmaterial by physical, enzymatic or chemical means and which have beenshown to have a physiological effect of benefit to health asdemonstrated by generally accepted scientific evidence to competentauthorities, and; synthetic carbohydrate polymers which have been shownto have a physiological effect of benefit to health as demonstrated bygenerally accepted scientific evidence to competent authorities.a) When derived from a plant origin, dietary fiber may includefractions of lignin and/or other compounds when associated withpolysaccharides in the plant cell walls and if these compounds arequantified by the AOAC gravimetric analytical method for dietary fibreanalysis: fractions of lignin and the other compounds (proteicfractions, phenolic compounds,by McCleary et al. (2013)15, as also are the problems in measurement ofRS4 (starch granules chemically cross-linked with phosphate groups).Sample (1.00 g) in sealed250 mL bottle (in duplicate)Add Maleate buffer + pancreatic α-amylase (PAA) + AMGAdd Trizma Base to adjust pH to ~ 8.2Add Acetic acid (to adjust pH to ~ 4.3) + Sorbitol (Internal Standard)Add proteaseRemove 1 mL for AvailableCHO DeterminationAdd 4 volumes of ethanol to precipitate SDFPSDFP (precipitate)SDFS (?ltrate)SDFP + SDFS in filtrateFilter through crucible with celiteIDF residueIncubate in shaking water bath at 37°C for 16 h.Incubate at 100°C for 20 min. Cool to ~ 60°C.Incubate at 60°C for 30 min. Cool to room temperature.waxes, saponins, phytates, cutin, phytosterols, etc.) intimately“associated” with plant polysaccharides in the AOAC 991.43 method.b) De cision on whether to include carbohydrates of 3 to 9 monomericunits should be left up to national authorities.”The Integrated TDF method described in this booklet, as originallypublished in 200712, has been successfully subjected to interlaboratoryevaluation through AOAC International (Methods 2009.0113 and 2011.2514),and accepted by Codex Alimentarius as a Type I method (March, 2011).KITS:Kits suitable for performing 100 determinations of TDF (IntegratedProcedure) are available from Megazyme. The kits contain the full assaymethod plus:Bottle 1: Concentrated pancreatic α-amylase (E-PANAA);g, 150,000 Ceralpha Units/g.Stable for 大于 5 years stored dry at -20°C.Bottle 2: Amyloglucosidase (E-AMGDF) (20 mL,3300 Units/mL).Stable for 大于 3 years at 4°C.Bottle 3: Puri?ed protease (E-BSPRT) (10 mL, 350 tyrosine units/mL).Stable for 大于 3 years at -20°C.Bottle 4: LC Retention Time Standard [maltodextrins plus maltose (4:1ratio), approx 5 g].Stable for 大于 3 years when stored dry at room temperature.Bottle 5: D-Sorbitol (approx. 12 g, dry).Stable for 大于 3 years when stored dry at room temperature.Celite 545?, acid washed, in 100 g or 500 g packages (cat. no.G-CEL100, or cat. no. G-CEL500), Amberlite FPA53? (OH-)(cat. no. G-AMBOH, 2.5 Kg) and Ambersep 200? (H+) (cat. no.G-AMBH, 2.5 Kg) ion exchange resins are available separately from Megazyme.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-ISOC，D-异柠檬酸检测试剂盒，D-Isocitric Acid Assay Kit产品识别号：ZZK-K-ISOC产品品名：D-异柠檬酸检测试剂盒英文品名：D-Isocitric Acid Assay Kit规格型号：100 assays (manual) / 1000 assays (microplate) / 1000 assays (auto-analyser)For the specific and rapid assay of D-isocitric acid in fruit juices.INTRODUCTION:D-Isocitric acid is an organic acid found in most fruit juices. It is animportant marker in multicomponent procedures for the evaluationof authenticity and quality of fruit products; high citric/isocitric acidratios can be used as an indicator of citric acid addition in somejuices.KITS:Kits suitable for performing 100 assays in manual format (or 1000assays in auto-analyser format or 1000 assays in microplate format)are available from Megazyme. The kits contain the full assay methodplus:Bottle 1: Buffer (12 mL, pH 7.6) plus sodium azide (0.02%w/v) as a preservative.Stable for 大于 2 years at 4°C.Bottle 2: NADP+.Stable for 大于 5 years at -20°C.Bottle 3: Isocitrate dehydrogenase suspension (2.1 mL).Stable for 大于 2 years at 4°C.Bottle 4: D-Isocitric acid standard solution (5 mL, 0.3 mg/mLin 0.02% sodium azide).Stable for 大于 2 years at - 20°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-LACGAR，D-乳糖快速检测试剂盒，Lactose/Galactose (Rapid) Assay Kit产品识别号：ZZK-K-LACGAR产品品名：D-乳糖检测试剂盒英文品名：Lactose/Galactose (Rapid) Assay Kit规格型号：115 assays per kitFor the rapid assay of lactose, D-galactose and L-arabinose in food andplant products. Galactose dehydrogenase can be used to measure bothD-galactose and L-arabinose. Suitable for the analysis of lactose in“low-lactose” or “lactose-free” samples which contain high levels of monosaccharides.INTRODUCTION:Lactose, or milk sugar, is a white crystalline disaccharide. It is formedin the mammary glands of all lactating animals and is present in theirmilk. Lactose yields D-galactose and D-glucose on hydrolysis bylactase (β-galactosidase), an enzyme found in gastric juice. Peoplewho lack this enzyme after childhood cannot digest milk and are saidto be lactose intolerant. Common symptoms of lactose intoleranceinclude nausea, cramps, gas and diarrhoea, which begin about 30minutes to 2 hours after eating or drinking foods containing lactose.Between 30 and 50 million Americans are lactose intolerant, withcertain ethnic and racial populations being more widely affected thanothers; as many as 75 percent of all African-Americans and NativeAmericans and 90 percent of Asian-Americans are lactose intolerant.The condition is least common among persons of northern Europeandescent.Enzymic methods for the measurement of lactose are well known andare generally based on the hydrolysis of lactose to D-galactose andD-glucose with β-galactosidase, followed by determination of eitherD-galactose or D-glucose. In the International Dairy FederationMethod (79B:1991) for the measurement of lactose in “driedmilk, dried ice-mixes & processed cheese”, details are given fordeproteinisation of samples, hydrolysis of lactose with β-galactosidaseand measurement of either released D-galactose or D-glucose.The measurement of lactose as D-galactose liberated is moregenerally reliable than measurement as D-glucose liberated becausepreparations generally contain more free D-glucose than freeD-galactose.Enzymic kits for the determination of D-galactose are very slow. Thisis due to the low rate of natural chemical “mutarotation” betweenthe α- and β-anomeric forms of D-galactose. Only the β-form isrecognised by β-galactose dehydrogenase. In incubations containingNAD+, D-galactose and β-galactose dehydrogenase, there is a veryrapid initial increase in absorbance due to the consumption of β-Dgalactose,and this is followed by a very slow approach to the endpoint.This very slow approach results from the very low rate ofchemical “mutarotation” of α-D-galactose into β-D-galactose. Usingtechnology developed by Megazyme (patent pending), a galactosemutarotase has now been incorporated into the assay format torapidly catalyse this rate-limiting mutarotation step. The result is veryrapid analysis times of approx. 5 min at room temperature (Figure 1).KITS:Kits suitable for performing 115 assays are available from Megazyme.The kits contain the full assay method plus:Bottle 1: Buffer (2.5 mL, pH 5.0).Stable for 大于 2 years at 4°C.Bottle 2: Buffer (25 mL, pH 8.6) plus EDTA and sodium azide(0.02% w/v) as a preservative.Stable for 大于 2 years at 4°C.Bottle 3: NAD+.Stable for 大于 5 years at -20°C.Bottle 4: β-Galactosidase suspension (1.2 mL).Stable for 大于 4 years at 4°C.Bottle 5: β-Galactose dehydrogenase plus galactose mutarotasesuspension, 2.4 mL.Stable for 大于 2 years at 4°C.Bottle 6: D-Galactose standard solution (5 mL, 0.4 mg/mL in0.02% w/v sodium azide).Stable for 大于 2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-LACSU，乳糖/蔗糖/D-葡萄糖检测试剂盒，Lactose/Sucrose/D-Glucose Assay Kit产品识别号：ZZK-K-LACSU产品品名：乳糖/蔗糖/D-葡萄糖检测试剂盒英文品名：Lactose/Sucrose/D-Glucose Assay Kit规格型号：100 assays of each per kitFor the measurement of sucrose, lactose and D-Glu cose in flour mixturesand other materials. (100 assays of each per kit).INTRODUCTION:Sucrose and milk solids (containing lactose) are major components ofmany flour mixtures used in the production of cakes, biscuits, breadsand confectionary goods. Traditionally these components are measured bytitrametric methods1, however, high performance liquid chromatographicmethods have also been developed.Enzymic methods for the measurement of sucrose and lactose are wellknown, but are not widely used in the cereals industries. With theseprocedures, sucrose is hydrolysed by invertase to D-Glu cose andfructose, and lactose is hydrolysed by β-galactosidase to D-Glu cose plusD-galactose. The D-Glu cose released from sucrose and lactose, and thefree D-Glu cose in the sample, are determined enzymically [usually withGlu cose oxidase/peroxidase reagent (GOPOD Reagent)].KITS:Kits contain sufficient reagents for performing 100 measurements ofD-Glu cose, sucrose and lactose, i.e. they contain the full assay method plus:Bottle 1: β-Fructosidase solution (invertase) (yeast; 5 mL) plus sodiumbenzoate (0.2% w/v) as a preservative.Stable for 大于 2 years at 4°C.Bottle 2: β-Galactosidase (lactase; A. niger, 1 mL) suspension. Stablefor 大于 2 years at 4°C.Bottle 3: GOPOD Reagent Buffer. Buffer (48 mL, pH 7.4),p-hydroxybenzoic acid and sodium azide (0.4% w/v). Stable for 大于 4years at 4°C.Bottle 4: GOPOD Reagent Enzymes. Glu cose oxidase plus peroxidase and4-aminoantipyrine. Freeze-driedpowder.Stable for 大于 5 years at -20°C.Bottle 5: D-Glu cose standard solution (5 mL, 1.0 mg/mL) in 0.2% (w/v)benzoic acid.Stable for 大于 5 years at room temperature.Bottle 6: Control flour sample. Sucrose, lactose and D-Glu cose contentsshown on vial label.Stable for大于 5 years at room temperature.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-LACTUL，乳果糖检测试剂盒，Lactulose Assay Kit产品识别号：ZZK-K-LACTUL产品品名：乳果糖检测试剂盒英文品名：Lactulose Assay Kit规格型号：50 assaysFor the specific, rapid and sensitive measurement of Lac tulose in milkand milk-based samples. Reagents included in this kit may also beprepared for use in the procedure described by ISO Method 11285:2004.INTRODUCTION:Thermal treatment of milk is an essential process in the dairyindustry. Various heating regimens can be employed, and thus insome cases it becomes necessary to determine thermal historyaccurately. This can be achieved by quantitative measurement ofLac tulose, a disaccharide comprising D-galactose and D-fructosethat is only produced from the common milk sugar lactose atelevated temperatures. In raw milk the level of Lac tulose is very low.However, as heat treatment increases this sugar can eventually reach~ 2 g/L (in the case of UHT milk for example).This kit (K-LACTUL) is suitable for the measurement of Lac tulosein milk-based products such as fresh milk, UHT milk, evaporatedmilk and powdered milk. However, this kit is unsuitable for themeasurement of Lac tulose in samples that have been artificiallysweetened, such as condensed milk, where the “free fructose” toLac tulose ratio is extremely high.Reagents included in this kit can be prepared for use in themeasurement of Lac tulose using the procedure as described byISO Method 11285:2004. However, the slightly modified advancedformat K-LACTUL (Rapid Method) developed by Megazyme, thatis both more sensitive and rapid, features an additional enzyme,6-phosphogluconate dehydrogenase, which results in the sensitivity ofthe method being improved 2-fold. Additionally, optimised selectionand use of highly purified enzymes results in a method that can easilybe performed within one working day.KITS:Kits suitable for performing 50 assays are available from Megazyme.The kits contain the full assay method plus:Bottle 1: Beta-Galactosidase suspension (3 mL).Stable for 大于 2 years at 4°C.Bottle 2: Glu-cose oxidase and catalase, lyophilised powder.Stable for 大于 2 years at -20°C.Bottle 3: Buffer (6 mL, pH 7.6) plus sodium azide (0.02% w/v)as a preservative.Stable for 大于 2 years at 4°C.Bottle 4: NADP+ plus ATP.Stable for 大于 2 years at 4°C.Bottle 5: Hexokinase plus Glu-cose-6-phosphate dehydrogenasesuspension, 2.2 mL.Stable for 大于 2 years at 4°C.Bottle 6: 6-Phosphogluconate dehydrogenase suspension(2.2 mL).Stable for 大于 2 years at 4°C.Bottle 7: PhosphoGlu-cose isomerase suspension (2.2 mL).Stable for 大于 2 years at 4°C.Bottle 8: Lac tulose (0.1 mg/mL) plus D-fructose (0.05 mg/mL)standard solution (5 mL).Stable for 大于 2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-LARGE，L-精氨酸/尿素/氨[快速]检测试剂盒，L-Arginine/Urea/Ammonia Assay Kit产品货号：ZZK-K-LARGE产品品名：L-精氨酸/尿素/氨[快速]检测试剂盒英文品名：L-Arginine/Urea/Ammonia Assay Kit规格型号：150 assays - 50 of each componentFor the specific and rapid assay of L-Argi nine, urea and ammonia ingrape juice/must and wine.INTRODUCTION:The addition of nutrient supplements to grape juice prior to/duringfermentation can now be managed accurately in terms of Yeast AvailableNitrogen (YAN). YAN is especially important to quantitate accurately, astoo little available nitrogen can result in sluggish or “stuck”fermentation, and the generation of hydrogen sulphide (H2S) gas, whiletoo much nitrogen, such as in the form of diammonium phosphate (DAP),can lead to the formation of the carcinogenic compound ethyl carbamate,especially where starting levels ofL-Argi nine in the juice are high.Total YAN (YANT) is comprised of three components:(a) free ammonium ions1,(b) primary amino nitrogen (PAN, from free amino acids)2, and(c) the contribution from the side chain of L-Argi nine (afterhydrolysis by yeast arginase that creates ornithine and urea)1.All three components must therefore be measured accurately beforeany informed decision can be made regarding the addition of extraYAN in the form of DAP or yeast extract (permitted nutrientsupplements). The YAN from ammonia and L-Argi nine (YANAG)(a plus c) can be conveniently and rapidly determined using theMegazyme L-Argi nine/Urea/Ammonia kit (K-LARGE); the PANcomponent of YAN (b) is measured using the MegazymePrimary Amino Nitrogen kit (K-PANOPA). Total YAN isdetermined using both the K-PANOPA and K-LARGE kits, butbecause both measure the primary amino group of L-Argi nine, thishas to be allowed for in the calculations (see page 7-8 of thisbooklet).The rapid assay procedure (K-LARGE) described in this booklet enablesthe determination of both ammonium ions and L-Argi nine in a simplesequential format. Urea can also be quantified by this procedure, andthe levels of this compound should be minimised to prevent significantproduction of ethyl carbamate.KITS:Kits suitable for performing 50 assays are available from Megazyme. Thekits contain the full assay method plus:Bottle 1: Buffer (18 mL, pH 8.0) plus sodium azide(0.02% w/v) asa preservative.Stable for大于2 years at 4°C.Bottle 2: NADPH. Lyophilised powder.Stable for 大于5 years at -20°C.Bottle 3: Gluta mate dehydrogenase suspension (1.1 mL).Stable for大于2 years at 4°C.Bottle 4: Urease solution (2.7 mL).Stable for大于2 years at -20°C.Bottle 5: Arginase suspension (1.1 mL).Stable for大于2 years at 4°C.Bottle 6: Ammonia (0.04 mg/mL) standard solution.Stable for大于2 years at 4°C.Bottle 7: L-Argi nine powder (2 g) standard.Stable for大于2 years stored dry at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-LMALR，L-苹果酸检测试剂盒，L-Malic Acid (Regular) Assay Kit产品识别号：ZZK-K-LMALR产品品名：L-苹果酸检测试剂盒英文品名：L-Malic Acid (Regular) Assay Kit规格型号：58 assays (manual) / 580 assays (microplate)For the specific assay of L-malic acid (L-malate) in beverages and food products.INTRODUCTION:As a component of the citric acid cycle, L-malic acid (L-malate)is found in all living organisms. Its quantitative determination isespecially important in the manufacture of wine, beer, bread, fruitand vegetable products, as well as in cosmetics and pharmaceuticals.It is one of the most important fruit acids, and has the highestconcentration of all acids in wine. In the wine industry, the level ofL-malic acid is monitored, along with L-lactic acid, during malolacticfermentation. L-Malic acid finds many applications as a foodpreservative (E296) and flavour enhancing compound, such as in themanufacture of low calorie drinks.This booklet describes a manual spectrophotometric and a microplatemethod for the quantitative determination of L-malic acid. However,an alternative method tailored towards the small winery is alsoavailable from Megazyme that is based on the use of an inexpensivecolorimeter, the MegaQuantTM meter (see product D-LMALMQ).A third kit for L-malic acid has been optimised for auto-analyserapplications (see product K-LMALAF).KITS:Kits suitable for performing 58 / 116 assays in manual format (or 580 /1160 assays in microplate format) are available from Megazyme. The kitscontain the full assay method plus:58 Determinations Kit (cat. no. K-LMALR)Bottle 1: Buffer (6 mL, pH 10.0) plus L-Gluta mate and sodiumazide (0.02% w/v) as a preservative.Stable for 大于2 years at 4°C.Bottle 2: NAD+ plus PVP.Stable for 大于5 years at -20°C.Bottle 3: Gluta mate-oxaloacetate transaminase suspension(1.25 mL).Stable for 大于2 years at 4°C.Bottle 4: L-Malate dehydrogenase suspension(1.25 mL).Stable for 大于2 years at 4°C.Bottle 5: L-Malic acid standard solution (5 mL, 0.15 mg/mL).Stable for 大于2 years at 4°C.116 Determinations Kit (cat. no. K-LMALL)Bottle 1: Buffer (12 mL, pH 10.0) plus L-Gluta mate and sodiumazide (0.02% w/v) as a preservative.Stable for 大于2 years at 4°C.Bottle 2: (x2) NAD+ plus PVP.Stable for 大于5 years at -20°C.Bottle 3: Gluta mate-oxaloacetate transaminase suspension(2.5 mL).Stable for 大于2 years at 4°C.Bottle 4: L-Malate dehydrogenase suspension (2.5 mL).Stable for 大于2 years at 4°C.Bottle 5: L-Malic acid standard solution (5 mL, 0.15 mg/mL).Stable for 大于2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-MANGL， D-甘露糖/D-果糖/D-葡萄糖检测试剂盒，D-Mannose/D-Fructose/D-Glucose Assay Kit Assay Kit产品识别号：ZZK-K-MANGL产品品名： D-甘露糖/D-果糖/D-葡萄糖检测试剂盒英文品名：D-Mannose/D-Fructose/D-Glucose Assay Kit规格型号：55 assays per kitFor the specific measurement of α-amylase and of Beta-amylase in malt flour.INTRODUCTION:D-Mannose is the major sugar component of the so-called “mannantype”polysaccharides, which include 1,4-Beta-D-mannans, D-galacto-D-mannans, D-gluco-D-mannans and D-galacto-D-gluco-D-mannans.It is a major constituent of the carbohydrate core of glycoproteins,but is rarely found free in Nature or as a constituent of simpleoligosaccharides. D-Glu cose and D-Fruc tose are found in most plantand food products. In plant materials, they occur as free sugars or ina range of di-oligo- and poly-saccharides such as fructans (inulins),starch and 1,3-1,4-Beta-D-glucans and cellulose. In foods, they arepresent in significant quantities in honey, wine and beer, and a rangeof solid foodstuffs such as bread and pastries, chocolate and candies.KITS:Kits suitable for performing 55 determinations are available fromMegazyme. The kits contain the full assay method plus:Bottle 1: Buffer (12 mL, pH 7.6) plus sodium azide (0.02% w/v)as a preservative.Stable for 大于2 years at 4°C.Bottle 2: NADP+ plus ATP.Stable for 大于5 years at -20°C.Bottle 3: Hexokinase plus Glu cose-6-phosphate dehydrogenasesuspension, 1.2 mL.Stable for 大于2 years at 4°C.Bottle 4: PhosphoGlu cose isomerase suspension (1.2 mL).Stable for 大于2 years at 4°C.Bottle 5: Phosphomannose isomerase suspension (1.2 mL).Stable for 大于2 years at 4°C.Bottle 6: D-Glu cose, D-Fruc tose plus D-mannose standardsolution (5 mL, 0.1 mg/mL of each sugar).Stable for 大于2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-MANOL，D-甘LU醇/L-阿拉伯糖醇检测试剂盒，D-Manni tol/L-Arabitol Assay Kit产品识别号：ZZK-K-MANOL产品品名：D-甘LU醇/L-阿拉伯糖醇检测试剂盒英文品名：D-Manni tol/L-Arabitol Assay Kit规格型号：60 assays (manual) / 600 assays (microplate) / 580 assays (auto-analyser)For the rapid and specific measurement of D-Manni tol and L-arabitol infood, beverages and other materials.INTRODUCTION:D-Manni tol is an open-chain hexahydric polyol, produced byhydrogenation of fructose. It is used as a nutrient, dietary supplementand a texturising agent. Due to its low hydroscopicity, D-Manni tol isoften used as a dusting powder to protect products against moisturepick-up. A major use of D-Manni tol is in chewing gum. D-Manni tol isalso widely used in intestinal permeability tests.KITS:Kits suitable for performing 60 assays in manual format (or 580 assaysin auto-analyser format or 600 assays in microplate format) areavailable from Megazyme. The kits contain the full assay method plus:Bottle 1: Buffer (10 mL, pH 9.0) plus sodium azide (0.02% w/v)as preservative.Stable for 大于2 years at 4°C.Bottle 2: (x2) NAD+.Stable for 大于2 years at -20°C.Bottle 3: Manni tol dehydrogenase suspension (1.3 mL).Stable for 大于2 years at 4°C.Bottle 4: D-Manni tol standard solution (5 mL, 0.30 mg/mL).Stable for 大于2 years at 4°C.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-MASUG,麦芽糖/蔗糖 D-葡萄糖检测试剂盒,Maltose/Sucrose/D-Glu cose Assay Kit产品识别号：ZZK-K-MASUG产品品名：麦芽糖/蔗糖 D-葡萄糖检测试剂盒英文品名：Maltose/Sucrose/D-Glu cose Assay Kit规格型号：100 assays per kit (34 of each). Assay KitFor the measurement of maltose, sucrose and D-Glu cose in plant and food products.INTRODUCTION:Maltose, sucrose and D-Glu cose are found in most plant and foodproducts. In plant materials D-Glu cose occurs as a free sugar insucrose, and in a range of oligosaccharides (galactosyl-sucroseoligosaccharides and fructo-oligosaccharides) and polysaccharides, suchas starch and 1,3-1,4-Beta-D-glucans. Maltose (1,4-α-D-glucobiose) isproduced on hydrolysis of starch by α-amylase and Beta-amylase. In somefood products, these three sugars occur in admixture.KITS:Kits suitable for performing 30 determinations of maltose, sucrose andD-Glu cose are available from Megazyme. The kits contain the full assaymethod plus:Bottle 1: Buffer (25 mL, pH 7.6) plus sodium azide (0.02 % w/v)as a preservative.Stable for 大于2 years at 4°C.Bottle 2: NADP+ plus ATP.Stable for 大于5 years at -20°C.Bottle 3: Hexokinase plus Glu cose-6-phosphate dehydrogenasesuspension, 2.25 mL.Stable for 大于2 years at 4°C.Bottle 4: Beta-Fructosidase in sodium citrate buffer (pH 4.6),lyophilised powder.Stable for 大于2 years at -20°C.Bottle 5: α-Glucosidase in sodium citrate buffer (pH 6.6),lyophilised powder.Stable for 大于2 years at -20°C.Bottle 6: D-Glu cose standard solution (5 mL, 0.4 mg/mL).Stable for 大于2 years at room temperature.温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ZZK-K-MBGL，Beta-葡聚糖酶(麦芽和微生物)检测试剂盒，Beta-Glucanase (Malt and Microbial) Assay Kit产品识别号：ZZK-K-MBGL产品品名：Beta-葡聚糖酶(麦芽和微生物)检测试剂盒英文品名：Beta-Glucanase (Malt and Microbial) Assay Kit规格型号：100 assays per kitRACI Standard Method; Azo-Barley Glucan Substrate. For the measurementof malt and bacterial ?-glucanase and endo-1,4-?-glucanase.INTRODUCTION:The need for an accurate and reliable assay for malt Beta-glucanase hasbecome more urgent with modern brewing processes where rapidand efficient wort and beer filtration, and stability of the product, areessential. A better knowledge of enzyme stability, the levels of activityin the malt and changes in activity during the mashing process, maylead to a reduction, or the elimination, of problems caused byBeta-glucan.KITS:Kits suitable for carrying out 100 assays are available from Megazymeand consist of:1. Full Assay Method2. Azo-Barley Glucan Substrate3. Standard Malt Flour4. Concentrated Buffer Solution温馨提示：需要详细的产品使用说明书，请联系甄准生物客服人员，我们将竭诚为您服务。甄准，甄心倾听您每一个标准！更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

4arm PEG-Thiol，四臂-聚乙二醇-巯基，4arm-PEG-SH  上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格 ZZP-4arm-PEG-SH-10K-01 10000 Da 1.0g ZZP-4arm-PEG-SH-10K-05 10000 Da 5.0g ZZP-4arm-PEG-SH-20K-01 20000 Da 1.0g ZZP-4arm-PEG-SH-20K-05 20000 Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

ACRL-PEG-SVA，丙烯酸-聚乙二醇-琥珀酰亚胺戊酸酯，Acrylate-PEG-SVA，丙烯酸和琥珀酰亚胺戊酸酯修饰性聚乙二醇  上海甄准生物科技有限公司提供以下包装规格： 产品识别编号 分子量 包装规格 ZZP-ACRL-PEG-SVA-1K-500 1000 Da 500mg  ZZP-ACRL-PEG-SVA-1K-01 1000 Da 1.0g ZZP-ACRL-PEG-SVA-1K-05 1000 Da 5.0g ZZP-ACRL-PEG-SVA-2K-500 2000 Da 500mg ZZP-ACRL-PEG-SVA-2K-01 2000 Da 1.0g ZZP-ACRL-PEG-SVA-2K-05 2000 Da 5.0g ZZP-ACRL-PEG-SVA-3.4K-500 3400 Da 500mg ZZP-ACRL-PEG-SVA-3.4K-01 3400 Da 1.0g ZZP-ACRL-PEG-SVA-3.4K-05 3400 Da 5.0g ZZP-ACRL-PEG-SVA-5K-500 5000 Da 500mg ZZP-ACRL-PEG-SVA-5K-01 5000 Da 1.0g ZZP-ACRL-PEG-SVA-5K-05 5000 Da 5.0g ZZP-ACRL-PEG-SVA-8K-500 8000 Da 500mg ZZP-ACRL-PEG-SVA-8K-01 8000 Da 1.0g ZZP-ACRL-PEG-SVA-8K-05 8000 Da 5.0g ZZP-ACRL-PEG-SVA-10K-500 10000 Da 500mg ZZP-ACRL-PEG-SVA-10K-01 10000 Da 1.0g ZZP-ACRL-PEG-SVA-10K-05 10000 Da 5.0g ZZP-ACRL-PEG-SVA-20K-500 20000 Da 500mg ZZP-ACRL-PEG-SVA-20K-01 20000 Da 1.0g ZZP-ACRL-PEG-SVA-20K-05 20000 Da 5.0g ZZP-ACRL-PEG-SVA-40K-01 40000 Da 1.0g ZZP-ACRL-PEG-SVA-40K-05 40000 Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2，氨甲基-CH2-NH2，马来酰亚胺-Mal，羧基-COOH,巯基（-Thiol）-SH，丙醛-ALD，琥珀酰亚胺碳酸酯-SC，琥珀酰亚胺乙酸酯-SCM，琥珀酰亚胺丙酸酯-SPA，琥珀酰亚胺琥珀酸酯-SS，琥珀酰亚胺戊酸酯-SVA，琥珀酰亚胺酯-NHS，二硫吡啶基-OPSS，丙酸基-PA，醛基-CHO，正吡啶二硫基-S-S-Pyridine，巯酯基-VS，丙烯酸基-Acrylate，丙烯酸基-AC，叠氮基-Azide，生物素基-Biotin，环氧基-EP，荧光素基-Fluorescein，戊二酸基-GA，酰肼基-Hydrazide，炔基-Alkyne，对硝基苯碳酸酯基-NPC，异氰酸基-NCO，邻二硫吡啶基-OPSS，硅烷基-Silane，BOC-叔丁氧羰基t-Butyloxycarbonyl-，羧甲基-CM，芴甲氧羰基-氨基- Fmoc-NH-。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

Succinimidyl Glutarate-PEG-Succinimidyl Glutarate，琥珀酰亚胺戊二酸酯-聚乙二醇-琥珀酰亚胺戊二酸酯，SG-PEG-SG 上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格 ZZP-SG-PEG-SG-2K-01 2000 Da 1.0g  ZZP-SG-PEG-SG-2K-05 2000 Da 5.0g ZZP-SG-PEG-SG-3.4K-01 3400 Da 1.0g ZZP-SG-PEG-SG-3.4K-05 3400 Da 5.0g ZZP-SG-PEG-SG-5K-01 5000 Da 1.0g ZZP-SG-PEG-SG-5K-05 5000 Da 5.0g ZZP-SG-PEG-SG-10K-01 10000 Da 1.0g ZZP-SG-PEG-SG-10K-05 10000 Da 5.0g ZZP-SG-PEG-SG-20K-01 20000 Da 1.0g ZZP-SG-PEG-SG-20K-05 20000 Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

Thiol-PEG-Thiol，巯基-聚乙二醇-巯基，SH-PEG-SH 上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格 货期ZZP-SH-PEG-SH-3.4K-01 3400Da 1.0g ZZP-SH-PEG-SH-3.4K-05 3400Da 5.0g ZZP-SH-PEG-SH-5K-01 5000Da 1.0g ZZP-SH-PEG-SH-5K-05 5000Da 5.0g ZZP-SH-PEG-SH-10K-01 10000Da 1.0g ZZP-SH-PEG-SH-10K-05 10000Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物（Seebio）还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

Succinimidyl Succinate-PEG-Succinimidyl Succinate，琥珀酰亚胺琥珀酸酯-聚乙二醇-琥珀酰亚胺琥珀酸酯，SS-PEG-SS 上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格 ZZP-SS-PEG-SS-1K-01 1000 Da 1.0g  ZZP-SS-PEG-SS-1K-05 1000 Da 5.0g ZZP-SS-PEG-SS-2K-01 2000 Da 1.0g ZZP-SS-PEG-SS-2K-05 2000 Da 5.0g ZZP-SS-PEG-SS-3.4K-01 3400 Da 1.0g ZZP-SS-PEG-SS-3.4K-05 3400 Da 5.0g ZZP-SS-PEG-SS-5K-01 5000 Da 1.0g ZZP-SS-PEG-SS-5K-05 5000 Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

tBOC-NH-PEG-NH2，氨基甲酸叔丁酯-聚乙二醇-氨基，tBOC-NH-PEG-Amine，保护氨基饰聚乙二醇，保护氨基修饰PEG  上海甄准生物科技有限公司提供以下包装规格： 产品识别编号 分子量 包装规格 货期ZZP-tBOC-NH-PEG-NH2-1K-01 1000Da 1.0g ZZP-tBOC-NH-PEG-NH2-3.4K-05  3400Da 5.0g ZZP-tBOC-NH-PEG-NH2-5K-500 5000Da 500mg ZZP-tBOC-NH-PEG-NH2-5K-01 5000Da 1.0g ZZP-tBOC-NH-PEG-NH2-5K-05 5000Da 5.0g 甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1）可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

VA-PEG-VA，戊酸-聚乙二醇-戊酸，Valeric Acid-PEG-Valeric Acid，双戊酸基修饰聚乙二醇  双戊酸基修饰性PEG 上海甄准生物科技有限公司提供以下包装规格： 产品识别编号 分子量 包装规格 ZZP-VA-PEG-VA-1K-01 1000 Da 1.0gZZP-VA-PEG-VA-1K-05 1000Da 5.0g ZZP-VA-PEG-VA-2K-01 2000Da 1.0g ZZP-VA-PEG-VA-2K-05 2000Da 5.0g ZZP-VA-PEG-VA-3.4K-01 3400Da 1.0g ZZP-VA-PEG-VA-3.4K-05 3400Da 5.0g ZZP-VA-PEG-VA-5K-01 5000Da 1.0g ZZP-VA-PEG-VA-5K-05 5000Da 5.0g ZZP-VA-PEG-VA-10K-01 10000Da 1.0g ZZP-VA-PEG-VA-10K-05 10000Da 5.0g ZZP-VA-PEG-VA-20K-01 20000Da 1.0g ZZP-VA-PEG-VA-20K-05 20000Da 5.0g ZZP-VA-PEG-VA-40K-01 40000Da 1.0g ZZP-VA-PEG-VA-40K-05 40000Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2，氨甲基-CH2-NH2，马来酰亚胺-Mal，羧基-COOH,巯基（-Thiol）-SH，丙醛-ALD，琥珀酰亚胺碳酸酯-SC，琥珀酰亚胺乙酸酯-SCM，琥珀酰亚胺丙酸酯-SPA，琥珀酰亚胺琥珀酸酯-SS，琥珀酰亚胺戊酸酯-SVA，琥珀酰亚胺酯-NHS，二硫吡啶基-OPSS，丙酸基-PA，醛基-CHO，正吡啶二硫基-S-S-Pyridine，巯酯基-VS，丙烯酸基-Acrylate，丙烯酸基-AC，叠氮基-Azide，生物素基-Biotin，环氧基-EP，荧光素基-Fluorescein，戊二酸基-GA，酰肼基-Hydrazide，炔基-Alkyne，对硝基苯碳酸酯基-NPC，异氰酸基-NCO，邻二硫吡啶基-OPSS，硅烷基-Silane，BOC-叔丁氧羰基t-Butyloxycarbonyl-，羧甲基-CM，芴甲氧羰基-氨基- Fmoc-NH-。 更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

mPEG-Succinimidyl Carbonate，甲氧基聚乙二醇-琥珀酰亚胺碳酸酯，MPEG-SC 上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格 货期ZZP-MPEG-SC-2K-01 2000 Da 1.0gZZP-MPEG-SC-2K-05 2000 Da 5.0g ZZP-MPEG-SC-3.4K-01 3400 Da 1.0g ZZP-MPEG-SC-3.4K-05 3400 Da 5.0g ZZP-MPEG-SC-5K-01 5000 Da 1.0g ZZP-MPEG-SC-5K-05 5000 Da 5.0g ZZP-MPEG-SC-10K-01 10000 Da 1.0g ZZP-MPEG-SC-10K-05 10000 Da 5.0g ZZP-MPEG-SC-20K-01 20000 Da 1.0g ZZP-MPEG-SC-20K-05 20000 Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

mPEG-Succinimidyl Glutarate，甲氧基聚乙二醇-琥珀酰亚胺戊二酸酯，MPEG-SG  上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格 货期ZZP-MPEG-SG-1K-01 1000 Da 1.0g 正常货期2-3周ZZP-MPEG-SG-1K-05 1000 Da 5.0g ZZP-MPEG-SG-2K-01 2000 Da 1.0g ZZP-MPEG-SG-2K-05 2000 Da 5.0g ZZP-MPEG-SG-3.4K-01 3400 Da 1.0g ZZP-MPEG-SG-3.4K-05 3400 Da 5.0g ZZP-MPEG-SG-5K-01 5000 Da 1.0g ZZP-MPEG-SG-5K-05 5000 Da 5.0g ZZP-MPEG-SG-10K-01 10000 Da 1.0g ZZP-MPEG-SG-10K-05 10000 Da 5.0g ZZP-MPEG-SG-20K-01 20000 Da 1.0g ZZP-MPEG-SG-20K-05 20000 Da 5.0g ZZP-MPEG-SG-30K-01 30000 Da 1.0g ZZP-MPEG-SG-30K-05 30000 Da 5.0g 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。 更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com

mPEG-Thiol，甲氧基-聚乙二醇-巯基，MPEG-SH 上海甄准生物科技有限公司提供以下包装规格：产品识别编号 分子量 包装规格ZZP-MPEG-SH-1K-01 1000 Da 1.0gZZP-MPEG-SH-1K-05 1000 Da 5.0g ZZP-MPEG-SH-2K-01 2000 Da 1.0g ZZP-MPEG-SH-5K-01 5000 Da 1.0g ZZP-MPEG-SH-5K-05 5000 Da 5.0g ZZP-MPEG-SH-10K-01 10000 Da 1.0g ZZP-MPEG-SH-10K-05 10000 Da 5.0g ZZP-MPEG-SH-20K-01 20000 Da 1.0g ZZP-MPEG-SH-20K-05 20000 Da 5.0g ZZP-MPEG-SH-30K-01 30000 Da 1.0g ZZP-MPEG-SH-30K-05 30000 Da 5.0g mPEG-Thiol Kit 2000Da/100mg 5000Da/100mg10000Da/100mg 20000Da/100mg30000Da/100mg 主要应用方向：医药研究、药性缓释、纳米新材料研究、细胞培养。在活性化合物的配体研究，多肽合成载体，高分子接枝化合物，新型材料的聚乙二醇涂层及修饰功能化方面的应用已经成为研究趋势。甄准生物还提供以下修饰基团修饰的聚乙二醇：氨基（-Amine）-NH2氨甲基-CH2-NH2马来酰亚胺-Mal羧基-COOH巯基（-Thiol）-SH丙醛-ALD琥珀酰亚胺碳酸酯-SC琥珀酰亚胺乙酸酯-SCM琥珀酰亚胺丙酸酯-SPA琥珀酰亚胺琥珀酸酯-SS琥珀酰亚胺戊酸酯-SVA琥珀酰亚胺酯-NHS二硫吡啶基-OPSS丙酸基-PA醛基-CHO正吡啶二硫基-S-S-Pyridine巯酯基-VS丙烯酸基-Acrylate丙烯酸基-AC叠氮基-Azide生物素基-Biotin环氧基-EP荧光素基-Fluorescein戊二酸基-GA酰肼基-Hydrazide炔基-Alkyne-NPC-NCO邻二硫吡啶基-OPSS硅烷基-SilaneBOC-叔丁氧羰基t-Butyloxycarbonyl-羧甲基-CM芴甲氧羰基-氨基- Fmoc-NH-注：1） 可接受客户指定基团（功能团），多臂，Y型，嵌段共聚物定制和技术服务。    2）部分产品可以提供公斤级产品。 更多产品，更多优惠！请联系我们！上海甄准生物科技有限公司免费热线：400-002-3832电话：021-6840 4353传真：021-5897 9353客服手机/QQ：15800340161客服手机/QQ：13795317828客服手机/QQ：13512172575客服手机/QQ：13818641861客服手机/QQ：13917991872客服手机/QQ：13916577892技术支持热线/QQ：13651665725服务监督与投诉：18918753302官网：www.zzstandard.comE：yangshuyan@zzstandard.com