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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2002 Vol.3 No.5 P.567-569

Pepsin nanofilm self-assembly on the positively charged poly (ethyoene terephthalate) substrate

XU Li-heng, CHEN Zhi-chun, LI Yang-mei, LU De-shui, LIN Xian-fu, YUAN Jun

The Center of Analysis and Measurement, Zhejiang University, Hangzhou 310027, China; State Key Laboratory of Si Material Science, Zhejiang University, Hangzhou 310027, China

xlheng@hotmail.com

Abstract: Pepsin was assembled on the surface of prepared poly (ethylene terephthalate) (PET-NH3+) substrates. The composition and structure of the pepsin / PET-NH3+ assembling films in different condition were characterized by X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM).

Key words: Pepsin, Self-assembly, PET-NH3+ substrate, XPS and AFM


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DOI:

10.1631/jzus.2002.0567

CLC number:

TU472??

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Received:

2001-07-13

Revision Accepted:

2001-10-28

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