| 光谱学与光谱分析 |
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| The Study of Absorption Spectrum for Cell Substrate |
| ZHAO Yuan-li1, 2, ZHANG Feng-qiu2, GE Xiang-hong2, YAO Shu-xia2, LIANG Er-jun2 |
1. Anhui Institute of Optics and Mechanics, Chinese Academy of Sciences, Hefei 230031，China
2. Physics Engineering College, Zhengzhou University, Zhengzhou 450052，China |
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Abstract The authors collected the absorption spectrum of RPMI 1640 and DMEM substrates that cultivated Hela and CNE by UV-3101 spectrophotometer and analysed the absorbability of proteins in the substrate. The absorption peaks of the RPMI 1 640 culture medium that cultivated cells for different times shifted from 227 to 222 or 218 nm and from 278 to 280 nm respectively; while during growing course of cultivated cells, one of the absorption peaks of DMEM culture medium shifted from 224 nm to one near 221 nm, and the absorption peak 278 nm almost had no shift. All of these shifts show that the content of each amino acid such as tryptophan and casein has already changed. That is, during the growing course of cultivating cancer cells, the tryptophan and casein were not depleted equivalently. In the growth period of Hela and CNE, they consumed different amino acid. So they need different component proportion for amino acid.
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Received: 2004-01-13
Accepted: 2004-04-16
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Corresponding Authors:
ZHAO Yuan-li
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| Cite this article: |
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ZHAO Yuan-li,ZHANG Feng-qiu,GE Xiang-hong, et al. The Study of Absorption Spectrum for Cell Substrate [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(08): 907-910.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I08/907 |
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