A STUDY OF MOLECULAR WEIGHT DISTRIBUTION OF OXIDIZED GELATIN

doi:10.7517/j.issn.1674-0475.1999.02.164

Imaging Science and Photochemistry ›› 1999, Vol. 17 ›› Issue (2): 164-167.DOI: 10.7517/j.issn.1674-0475.1999.02.164

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A STUDY OF MOLECULAR WEIGHT DISTRIBUTION OF OXIDIZED GELATIN

LI He-bing¹, YAN Tian-tang², CHEN Li-juan³

1. Department of Chemistry, Hunan Chenzhou Medical Academy, Chenzhou 423000, P.R.China;
2. Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026.P.R.China;
3. Institute of Photographic Chemistry, The Chinese Academy of Sciences, Beijing 100101.P.R.China

Received:1998-06-20 Revised:1998-11-15 Online:1999-05-20 Published:1999-05-20

Abstract

Abstract: The molecular weight distributions of oxidized gelatin was determined by the improved SDS-PAGE method. The experimental results showed that when oxidation duration was shorter than 24 hours at 40℃ and the amount of hydrogen peroxide added was less than 60mmol/g gelatin , the molecular weight distribution of oxidized gelatin had no remarkable change . These two factors may be considered as the safe conditions for H₂O₂^-oxidation of gelatins.

Key words: electrophoresis, oxidized gelatin, molecular weight distribution

LI He-bing, YAN Tian-tang, CHEN Li-juan. A STUDY OF MOLECULAR WEIGHT DISTRIBUTION OF OXIDIZED GELATIN[J]. Imaging Science and Photochemistry, 1999, 17(2): 164-167.

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A STUDY OF MOLECULAR WEIGHT DISTRIBUTION OF OXIDIZED GELATIN

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