Citation: Tong Wen XU. Aggregation of the Adsorbed Proteins-in Solution or on the Surface?[J]. Chinese Chemical Letters, ;2002, 13(3): 262-265. shu

Aggregation of the Adsorbed Proteins-in Solution or on the Surface?

Tong Wen XU

Received Date: 25 June 2001

Fund Project: The author is grateflil to the Japan Society for Promotion of Science and the National Natural Science Foundation of China (No. 29976040) for supporting his visit to the University of Tokyo and Prof. S. Nakao for his kind acceptance so that the job can be conducted in Tokyo University. The helps in experiments from Mr. T. Yamaguchi, Mr. M. Yanagioka, Y. Sato, Dr. L. Y. Chu are highly appreciated.

The adsorption of bovine serum albumin (BSA) on porous polyethylene (PE) membrane was studied based on adsorption and desorption measurements as well as FTIR analysis. A different mechanism was proposed which showed that a critical concentration existed in the adsorptional process. Below this concentration, the adsorption seems to be conducted in a normal side-on way; above this concentration, the adsorption is in an aggregation way.
- Bovine serum albumin,
- adsorption,
- desorption,
- FTIR
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