HORIBA高灵敏一体式FluoroMax-4荧光光谱仪

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面议

9.8 分

评论数2

品牌

HORIBA

样本

下载

型号

FluoroMax-4

荣誉奖项

产地

美洲

HORIBA（中国）

白金
第22年
生产商

营业执照已审核

留言询价电话询价

核心参数

色散单元： 光栅

产地类别： 进口

仪器种类： 稳态/瞬态荧光光谱仪

灵敏度： >16000:1 RMS方法

相关方案

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Fluorescence Anisotropy Studies
Polarized light striking a fluorescent molecule results in polarized fluorescence. This polarized emission gradually returns to unpolarized fluorescence depending on rotational diffusion and other factors. Anisotropy is directly related to the polarization, and is the ratio of the polarized-light component to the total light intensity. With optional polarizers installed in a spectrofluorometer, we define light intensities: IVV is with excitation and emission polarizers mounted vertically;
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This technical note describes kinetic fluorescence as an analytical technique to quantify non-fluorescent species. The technique is applied to the determination of thiamine (vitamin B1) in solution. Fluorescence intensity is monitored as thiamine converts to fluorescent thiochrome, and a relationship is established between the rate of increase of intensity and the concentration of thiamine. The technique is shown to have good sensitivity and selectivity.
制药/生物制药 2014-09-19
微量样品和固体样品的荧光测量
对于微量样品和固体样品的测量，HORIBA Scientific（Jobin Yvon光谱技术）提供相应的解决方案。针对生物分析中的蛋白，酶等微量液体样品分析，我们提供不同规格的比色皿（20μL，50μL，250μL,1mL）；针对材料领域中的单微晶或聚合物分析，我们提供可转角度的固体样品支架；针对血液、颜料、荧光增白剂、活细胞等样品，我们提供前置式荧光测量方案。
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马萨诸塞大学韩刚博士就在这一方面做出了突破，他成功制备出一种新的近红外光敏剂。这种光敏剂能够穿透深层组织，不仅能解决光动力学疗法穿透能力差的问题，同时还能提高光敏剂的反应效率（在近红外范围表现出显著增强的吸收和单态氧生成效率）。这一突破不仅是首创性的，且具有非常重要的意义，有望将光动力学疗法推向深层组织和大尺寸的癌症治疗。
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活体珊瑚虫中荧光色素检测方案(分子荧光光谱)
Besides providing insight into mechanisms of photosynthesis and a possible monitor of reef stability through bleaching, these spectra act as a catalog of coral identity to help distinguish between specific coral types. ?
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Besides providing insight into mechanisms of photosynthesis and a possible monitor of reef stability through bleaching, these spectra act as a catalog of coral identity to help distinguish between specific coral types. ?
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蛋白酶，茶碱中各向异性荧光研究检测方案(分子荧光光谱)
Polarization measurements using HORIBA Jobin Yvon spectrofluorometers are a sensitive tool for probing many biochemical interactions.
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A HORIBA Jobin Yvon spectrofluorometer with double grating monochromators for both excitation and emission can be used for noninvasive in-vivo determination of sunscreen PFA via diffuse-reflectance spectroscopy. Because of the extremely low level of stray light that these monochromators allow, our spectrofluorometers can measure highly scattering samples, such as human skin, with excellent sensitivity and precision. Diffuse-reflectance DR) spectra of human skin both with sunscreen and without can be directly measured in vivo and differentiated within minutes. The ratio of spectra with and without sunscreen results in trans- mittance spectra of sunscreens, which allows calculation of PFAs. This non-invasive method provides an alternative diagnostic tool for quick and accurate determination of PFA of sunscreen products.
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This technical note describes kinetic fluorescence as an analytical technique to quantify non-fluorescent species. The technique is applied to the determination of thiamine (vitamin B1) in solution. Fluorescence intensity is monitored as thiamine converts to fluorescent thiochrome, and a relationship is established between the rate of increase of intensity and the concentration of thiamine. The technique is shown to have good sensitivity and selectivity.
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