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    • 42. 发明申请
    • ELECTRON SPIN LABELED ICE BINDING COMPOUNDS USED FOR CARRYING PARAMAGNETIC CENTERS FOR DYNAMIC NUCLEAR POLARIZATION
    • 用于携带用于动态核极化的参考中心的电子旋转标签冰结合化合物
    • US20160207962A1
    • 2016-07-21
    • US15014978
    • 2016-02-03
    • The Trustees of California State University
    • Yong BaYougang Mao
    • C07K14/00C09K3/18
    • C07K14/00A61K49/00A61K49/14C07K14/46
    • Spin labeled ice binding compounds (IBCs) including ice binding proteins (IBPs), also called antifreeze proteins (AFPs) and their analogs are exploited to carry the paramagnetic centers for dynamic nuclear polarization (DNP), for enhancing nuclear magnetic resonance (NMR) signal intensities. Use of spin labeled IBCs to perform DNP exploits the IBCs' ability to homogeneously distribute the paramagnetic centers in frozen water solution at low temperature, leading to high DNP efficiency. Other advantages of using spin labeled IBCs include: (1) ability to cryo-protect biological samples; (2) the relative positions and orientations of the spin labeling groups in an IBC may also be cryo-preserved; (3) positions and orientations of spin labeling groups to an IBC can be selected with great freedom and without technical barrier to making multiple spin labels in an IBC; and (4) water solubilities of spin labeled IBCs are potentially high, enabling use of a solvent that is primarily water for DNP at low temperatures.
    • 包含冰结合蛋白(IBC)的自旋标记的冰结合化合物(IBC)也被称为防冻蛋白(AFP)及其类似物,用于携带动态核极化(DNP)的顺磁中心,用于增强核磁共振(NMR)信号 强度 使用自旋标记的IBC来执行DNP利用IBC在低温下均匀分布冷冻水溶液中顺磁中心的能力,导致高的DNP效率。 使用自旋标记的IBC的其他优点包括:(1)冷冻保护生物样品的能力; (2)IBC中自旋标记组的相对位置和取向也可以被低温保存; (3)自由标记组对IBC的位置和取向可以自由选择,并且在IBC中制备多个自旋标记的技术障碍可以选择; 和(4)自旋标记的IBC的水溶性可能很高,使得能够在低温下使用主要用于DNP的水。