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《Journal of Hubei Engineering University》 2015-06
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Microcalorimetric Study on Interaction of Chitosan Copper and Endophyte of Walnut in Walnuton

Hu Fan;Luo Xiaojie;Liu Yuqing;Lu Yao;Xia Caifeng;School of Chemistry and Materials Science,Hubei Engineering University;  
In this paper,CTS-Cu was prepared by heating reflux,and the complex was analyzed by FTIR and AAS.The results showed-OH and-NH_2 could be involved in the coordination.The content of Cu~(2+) in complex was calculated by AAS.Furthermore,the metabolism of walnut endophytes(XRS107)with CTS-Cu,Cu~(2+) and CTS were detected by isothermal microcalorimetric method respectively.The results showed that the complex CTS-Cu was involved in the metabolic process of XRS107.In the CTS-Cu concentration range,the effect on the growth of XRS107 showed the characteristics of Hormesisi effect,while Cu~(2+) and CTS had no obvious influence on XRS107 growth metabolism.In addition,the values of optical density(OD)of XRS107 was evaluated with low concentrations of CTS-Cu,and was dropped with high concentrations of CTS-Cu.
【CateGory Index】: TS201.3
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