[Kinetic study on collagen mineralization by ultraviolet absorption spectra]

[Kinetic study on collagen mineralization by ultraviolet absorption spectra] Research Abstract Details 

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[Kinetic study on collagen mineralization by ultraviolet absorption spectra] Abstract Text:

Zhao-long Huang,Wei Zhang,Fu-zhai Cui,

The mechanism of collagen mineralization was studied by ultraviolet photometry method. The reaction solution was determined using ultraviolet-visible spectrophotometer by the method of repeat scanning wavelength. The recorded curves provided the spectroscopic and kinetics information of the reaction solution. It was found that the wave trough appeared on the step-like kinetic curve of mineralization of collagen. With the increase in initial concentration of calcium phosphate, the wave trough intensity increased and its position moved forward. The curves of scanning wavelength at different time showed different patterns. By analyzing the change in scanning wavelength curves, and the X-ray diffraction spectra of specimens before and after the wave trough position (the specimens were obtained by quickly freezing the solution and freeze-drying), it was suggested that gelation and phase separation occurred during the process of collagen mineralization. Collagen molecules loading calcium were cross-linked by newly formed DCPD in a "point to point" mode. The phase separation occurred in the fluid-filled space and the wave trough occurred in the ultraviolet absorption spectrum. Based on the mechanism the varieties of phenomena in the ultraviolet absorption spectrum during collagen mineralization were explained.

[Kinetic study on collagen mineralization by ultraviolet absorption spectra] Publishing Authors By Initials

ZL Huang,W Zhang,FZ Cui,

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[Kinetic study on collagen mineralization by ultraviolet absorption spectra] Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Guang pu xue yu guang pu fen xi = Guang pu

VOLUME: 24

Page Numbers: 466-9

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ISSN: 1000-0593

DAY: 15

MONTH: Apr

YEAR: 2004

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LANGUAGE: chi

NlmUniqueID: 9424805

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Grant and Affiliation Information for [Kinetic study on collagen mineralization by ultraviolet absorption spectra]

AFFILIATION: Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China.

Country: China

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MEDLINETA: Guang Pu Xue Yu Guang Pu Fen X

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