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    • 5. 发明申请
    • ENHANCED STABILITY OF PROTEINS IMMOBILIZED ON NANOPARTICLES
    • 纳米粒子固定化蛋白质的增强稳定性
    • WO2007001355A3
    • 2007-12-06
    • PCT/US2005031652
    • 2005-09-07
    • RENSSELAER POLYTECH INSTDORDICK JONATHAN SKANE RAVINDRA SASURI PRASHANTHKARAJANAGI SANDEEP S
    • DORDICK JONATHAN SKANE RAVINDRA SASURI PRASHANTHKARAJANAGI SANDEEP S
    • A61K9/14
    • G01N33/54346B82Y15/00C12Q1/001G01N33/587G01N33/588
    • This invention is directed to the application of a previously unknown property of nanomaterials - its ability to enhance protein activity and stability at high temperatures, in organic solvents, and in polymer composites. Nanomaterials such as single-walled carbon nanotubes (SWNTs) can significantly enhance enzyme function and stability in strongly denaturing environments. Experimental results and theoretical analysis reveal that the enhancement in stability is a result of the curvature of these nanoscale materials, which suppresses unfavorable protein-protein interactions. The enhanced stability is also exploited in the preparation of highly stable and active nanocomposite films that resist nonspecific protein absorption, i.e., inhibit fouling of the films. The protein-nanoparticles conjugates represent a new generation of highly selective, active, and stable catalytic materials. Furthermore, the ability to enhance protein function by interfacing them with nanomaterials has a profound impact on applications ranging from biosensing, diagnostics, vaccines, drug delivery, and biochips, to novel hybrid materials that integrate biotic and abiotic components.
    • 本发明涉及以前未知的纳米材料性质的应用 - 其在高温下,在有机溶剂和聚合物复合材料中提高蛋白质活性和稳定性的能力。 纳米材料如单壁碳纳米管(SWNTs)可显着增强酶在强变性环境中的功能和稳定性。 实验结果和理论分析表明,稳定性的提高是这些纳米材料弯曲的结果,其抑制了不利的蛋白质 - 蛋白质相互作用。 增强的稳定性也用于制备能够抵抗非特异性蛋白质吸收的高稳定性和活性的纳米复合膜,即抑制膜的结垢。 蛋白质纳米粒子偶联物代表了新一代高选择性,活性和稳定的催化材料。 此外,通过将它们与纳米材料接合来增强蛋白质功能的能力对从生物传感,诊断,疫苗,药物递送和生物芯片到整合生物组分和非生物组分的新型杂合物材料的应用具有深远影响。