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Scientia Sinica(Chimica). 2014, (06) Core

Effects of charge density and hydrophobicity on interaction of hydrophobically modified poly（acrylamide）s with BSAChinese Full Text

HAN YuChun;FAN YanRu;HUANG Xu;WANG YiLin;Key Laboratory of Colloid and Interface Science;Institute of Chemistry, Chinese Academy of Sciences;

Abstract: Interactions between bovine serum albumin（BSA） and 10% hydrolyzed poly（acrylamide）（PAM-AA（10%）） or several hydrophobically modified poly（acrylamide）s without and with acrylic acid（AA） segments（PAM-C12（1%）, PAM-C12（2%）-AA（x%）） have been studied. The enthalpy changes associated with the polymer/BSA interaction process are exothermic except for PAM-C12（1%）/BSA system, and the binding enthalpy（?Hbind） becomes much more exothermic in the order of PAM-AA（10%） ≈ PAM-C12（2%）-AA（5%） ＜ PAM-C12（2%）-AA（10%）... More
Keywords：

bovine serum albumin; polyacrylamide; hydrophobically modified polymer; isothermal titration microcalorimetry; hydrophobic interaction; electrostatic binding;

  • Series：

    (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Chemistry

  • Classification Code：

    O631

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