Citation: Jing-jing Lai, Huai-yu Yan, Yan Liu, Yanbin Huang. Effects of PEG Molecular Weight on Its Interaction with Albumin[J]. Chinese Journal of Polymer Science, ;2015, 33(10): 1373-1379. doi: 10.1007/s10118-015-1687-y shu

Effects of PEG Molecular Weight on Its Interaction with Albumin

1.
Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

Corresponding author: Yanbin Huang,
Received Date: 16 March 2015
Revised Date: 7 April 2015

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 21434008).

The fluorescence property of bovine serum albumin was investigated in the presence of PEGs of different molecular weights. Based on our results, we propose that PEGs of different molecular weights bind to albumin in the pH 7.4 aqueous solution, but only when the polymer size is larger than the protein size, one polymer chain may bind to multiple proteins and cause the proteins to aggregate.
- Polyethylene glycol,
- Bovine serum albumin,
- Protein-polymer interactions,
- Fluorescence analysis
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沈阳化工大学材料科学与工程学院沈阳 110142