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    • 4. 发明申请
    • ENHANCED STABILITY OF PROTEINS IMMOBILIZED ON NANOPARTICLES
    • 增强纳米粒子固定蛋白质的稳定性
    • WO2007001355A2
    • 2007-01-04
    • PCT/US2005/031652
    • 2005-09-07
    • RENSSELAER POLYTECHNIC INSTITUTEDORDICK, Jonathan, S.KANE, Ravindra, S.ASURI, PrashanthKARAJANAGI, Sandeep, S.
    • DORDICK, Jonathan, S.KANE, Ravindra, S.ASURI, PrashanthKARAJANAGI, Sandeep, S.
    • G01N33/53C12N9/00
    • 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,在有机溶剂中和在聚合物复合材料中增强蛋白质活性和稳定性的能力。 纳米材料如单壁碳纳米管(SWNT)可以显着增强强力变性环境中的酶功能和稳定性。 实验结果和理论分析表明,稳定性的提高是这些纳米材料的曲率的结果,其抑制不利的蛋白质 - 蛋白质相互作用。 增强的稳定性也被用于制备高度稳定和活性的纳米复合膜,其抵抗非特异性蛋白质吸收,即抑制膜的结垢。 蛋白质 - 纳米颗粒共轭体代表新一代高选择性,活性和稳定的催化材料。 此外,通过与纳米材料接口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包含生物和非生物成分的新型杂交材料的应用具有深远的影响。