2013•Haiyang huzhao tongbaoRequires access

STUDY OF SYNTHESIS AND PROPERTIES ON CHITOSAN-CU(II) AND CHITOSAN-ZN(II) COMPLEX

Yuanhui Zhao

Abstract

Chitosan-Zn and chitosan-Cu complexes were synthesized.The effect of degree of deacetylation and temperature on the metal content was studied.The property of slow release,anti-bacteria and anti-oxidation of products were measured.The results showed that the release rate of complexes in artificial seawater was 0.76%in 15d.It presented the outstanding property of slow release of the complexes.Chitosan-Zn and chitosan-Cu complexes showed significant effect against Bacillus subtilis and Micrococcus tetragenus.The anti-bacteria rate of complexes was 55%at 10th day.The inhibition rate increased with the increasing of concentration of complexes,and CTS-Cu(Ⅱ)complex showed the highest inhibition activity than CTS-Zn(Ⅱ).

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Key concepts: Chitosan, Bacillus subtilis, Chemistry, Nuclear chemistry, Metal, Zinc, Bacteria, Copper