Abstract
A novel fluorinated amphiphilic copolymer P(HFMA)-g-P(SPEG) was synthesized. The interactions between P(HFMA)-g-P(SPEG) and bovine serum albumin (BSA) were studied by synchronous fluorescence and intrinsic fluorescence spectroscopy. It was concluded through synchronous fluorescence that P(HFMA)-g-P(SPEG) mainly bound to tryptophan residues of BSA. Intrinsic fluorescence results revealed that BSA and P(HFMA)-g-P(SPEG) had strong interactions. The mechanism of quenching belonged to dynamic quenching and the main sort of binding force was hydrophobic force. The hydrophobic interaction between P(HFMA)-g-P(SPEG) and BSA was conformed by micropolarity and TEM photographs.
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