NANO等温差示扫描量热仪
NANO等温差示扫描量热仪
NANO等温差示扫描量热仪
NANO等温差示扫描量热仪

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Nano DSC/ DSC Auto

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美洲

  • 白金
  • 第20年
  • 一般经销商
  • 营业执照已审核
核心参数

仪器种类: 微量热仪

仪器介绍

    TA仪器Nano系列量热仪在生物样品的研究中展现出最高的灵敏度和无可比拟的灵活性。Nano DSC具有多功能性,能够进行配体筛选和压力微扰测量,是专为测定稀溶液中蛋白质和其它大分子的热稳定性和热容而设计的。


Nano DSC 技术

    Nano DSC差示扫描量热仪是被设计用来测量当生物样品加热或冷却时,吸收或释放的热量变化。像蛋白质这样的大分子,在特定的温度下通过折迭对加热或冷却做出回应。生物聚合物固有的稳定性越高,其去折迭转化的温度变化点就越高。这些过程往往伴随着微焦耳级热量的变化,因而Nano DSC的灵敏度就是成功地研究这些反应的关键所在。

    相较于其他竞争者的设计,Nano DSC的量测具有所需样品量少、低噪音水平(±15nW)、极佳的基线稳定性(±28nW)等优势。并以固态热电组件精准的控制温度,内置式的精确线性制动器用来维持系统压力或是控制不同压力。为了提升样品检测效率,更推出了自动取样的Nano DSC,可实践自动化的操作。

    它具有USB连接、内置式压力扰动能力及毛细管状样品池设计等特点。毛细管状样品池的设计能够提供样品更大的弹性,能够减少样品在样品池内聚集或沉淀,因而得到质量更好的数据。


技术参数

  • 通过差示扫描量热仪(DSC)使用CSC Nano-DSC III测定蛋白质的热力学参数,需要大量相同的蛋白质做表面等离子体共振或荧光研究。由于Nano-DSC III 高度的敏感性和基线重复性,以及样品池的小体积(300 μL)和毛细管配置(能够延迟不可逆的蛋白质聚合和沉淀),一个完整的、可判断的、准确的扫描可以得到基本上所有的想要测试的蛋白质。?

    生物产业 2016-04-22

  • Like ITC, DSC is a valuable approach for studying binding between a biological macromolecule and a ligand such as another biopolymer or a drug. Unlike ITC, DSC allows the thermodynamics that drive binding to be correlated, at least to a degree, with conformational changes in the macromolecule caused by the binding reaction. DSC is particularly useful for characterizing very tight or slow binding interactions. DSC also allows characterization of binding reactions that are incompatible with the organic solvent requirements of some ITC experiments (i.e., where ligand solubility for an ITC experiment requires concentrations of organic solvent not tolerated by the protein).?

    医疗/卫生 2016-03-31

  • Various techniques yield either structural or functional information about a protein, but DSC uniquely provides insights into both the three-dimensional arrangement and the functional properties of a protein’s structural components.

    生物产业 2016-03-31

  • DSC is the most direct and sensitive approach for characterizing the thermodynamic parameters controlling noncovalent bond formation (and therefore stability) in proteins and other macromolecules. In an experiment requiring only a few micrograms of material, the protein is thermally unfolded, allowing the relationship between enthalpy and entropy of the denaturation process to be established in about one hour. Correlating thermodynamic properties to stability is necessary for the rational design of engineered proteins and protein therapeutics.

    生物产业 2016-03-29

  • 通过差示扫描量热仪(DSC)使用CSC Nano-DSC III测定蛋白质的热力学参数,需要大量相同的蛋白质做表面等离子体共振或荧光研究。由于Nano-DSC III 高度的敏感性和基线重复性,以及样品池的小体积(300 μL)和毛细管配置(能够延迟不可逆的蛋白质聚合和沉淀),一个完整的、可判断的、准确的扫描可以得到基本上所有的想要测试的蛋白质。?

    生物产业 2016-04-22

  • Various techniques yield either structural or functional information about a protein, but DSC uniquely provides insights into both the three-dimensional arrangement and the functional properties of a protein’s structural components.

    生物产业 2016-03-31

  • DSC is the most direct and sensitive approach for characterizing the thermodynamic parameters controlling noncovalent bond formation (and therefore stability) in proteins and other macromolecules. In an experiment requiring only a few micrograms of material, the protein is thermally unfolded, allowing the relationship between enthalpy and entropy of the denaturation process to be established in about one hour. Correlating thermodynamic properties to stability is necessary for the rational design of engineered proteins and protein therapeutics.

    生物产业 2016-03-29

  • Although membrane proteins are very difficult to work with, ultra-sensitive calorimetry can over-come the limitations of many other physical characterization techniques to provide insights into the factors driving membrane protein/lipid assembly and controlling the stability of the conplexes.

    生物产业 2016-03-22

  • The development of monoclonal antibody (Mab) based drugs has undergone considerable growth since the release of the first Mab in the mid-eighties. Intuitive biophysical tools that examine and quantify interactions and conformational dynamics are important in demonstrating and understanding local and global conformational changes. The structure of antibodies as well as other macromolecules is related to its function and efficacy therefore control over these parameters is essential. The association of antigens to antibodies or of antibodies to delivery assemblies such as liposomes or gold nanoparticles can be addressed by isothermal titration calorimetry (ITC) while the folding of antibodies can be assayed using differential scanning calorimetry (DSC). Both techniques offer the advantage of using native solutions and both instruments are offered by TA Instruments.

    制药/生物制药 2015-07-16

  • Like ITC, DSC is a valuable approach for studying binding between a biological macromolecule and a ligand such as another biopolymer or a drug. Unlike ITC, DSC allows the thermodynamics that drive binding to be correlated, at least to a degree, with conformational changes in the macromolecule caused by the binding reaction. DSC is particularly useful for characterizing very tight or slow binding interactions. DSC also allows characterization of binding reactions that are incompatible with the organic solvent requirements of some ITC experiments (i.e., where ligand solubility for an ITC experiment requires concentrations of organic solvent not tolerated by the protein).?

    医疗/卫生 2016-03-31

  • In the past few decades calcium sulfate based building products have become materials of choice for various interior construction purposes, The basis of gypsum technology is the ability of gypsum to transform into various calcium sulfates (hemihydrale, anhydrite) when being heated. When hemihydrate or anhydrite is mixed with water calcium sulfale dihydrate is formed again due to re-hydralion. During re-hydration of hemihydrate, the following exothermic reaction occurs:

    石油/化工 2016-03-31

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