STUDY ON THE STRUCTURE(CONFORMATION)AND PROPERTIES OF COLLGEN/GELATIN V.THE STUDY OF THE COMPLEXING STATE BETWEEN COPPER IONS AND DIFFERENT CONFORMATIONS CONTAINED IN PHOTO-GELATIN

doi:10.7517/j.issn.1674-0475.1994.01.17

Imaging Science and Photochemistry ›› 1994, Vol. 12 ›› Issue (1): 17-22.DOI: 10.7517/j.issn.1674-0475.1994.01.17

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STUDY ON THE STRUCTURE(CONFORMATION)AND PROPERTIES OF COLLGEN/GELATIN V.THE STUDY OF THE COMPLEXING STATE BETWEEN COPPER IONS AND DIFFERENT CONFORMATIONS CONTAINED IN PHOTO-GELATIN

YUE AI-BING¹, LIU XUAN-YA², PENG BI-XIAN²

1. Chemistry Department Sichuan university, Chengdu 610064, P. R. China;
2. Institute of Photographic Chemistry, Academia Sinica, Beijing 100101, P. R. China

Received:1992-04-30 Revised:1993-02-28 Online:1994-02-20 Published:1994-02-20

Abstract

Abstract: The study of complexing state between copper ions and different conbrmation contained in photo-gelatins has been made with the CM-52 ion exchang chromatography andatomic absorption spectroscopy methods.The results show that the copper ions is complexed with the exposed free groups of different conformation(α,β and γ)components contained in photo-gelatin and existed in a stable manner.The magnitude of the complexingcapacity of different conformations can be arranged in the following sequence:γ>β>αThe complexing of copper ions with different conformation is so strong that the copperions can be considered to be the structure unit of the macromolecule of photo-gelatins.

Key words: gelatin, conformation, copperion, complexing state

YUE AI-BING, LIU XUAN-YA, PENG BI-XIAN. STUDY ON THE STRUCTURE(CONFORMATION)AND PROPERTIES OF COLLGEN/GELATIN V.THE STUDY OF THE COMPLEXING STATE BETWEEN COPPER IONS AND DIFFERENT CONFORMATIONS CONTAINED IN PHOTO-GELATIN[J]. Imaging Science and Photochemistry, 1994, 12(1): 17-22.

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STUDY ON THE STRUCTURE(CONFORMATION)AND PROPERTIES OF COLLGEN/GELATIN V.THE STUDY OF THE COMPLEXING STATE BETWEEN COPPER IONS AND DIFFERENT CONFORMATIONS CONTAINED IN PHOTO-GELATIN

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