SUN Shuang, DONG Li-dan, WEI Chang-ping etc. Spectral Analysis of Ca/Zn-nano Carboxymethyl Chitosan[J]. Chinese Journal of Luminescence, 2016,37(12): 1479-1483
SUN Shuang, DONG Li-dan, WEI Chang-ping etc. Spectral Analysis of Ca/Zn-nano Carboxymethyl Chitosan[J]. Chinese Journal of Luminescence, 2016,37(12): 1479-1483 DOI: 10.3788/fgxb20163712.1479.
Spectral Analysis of Ca/Zn-nano Carboxymethyl Chitosan
Ca/Zn-nano carboxymethyl chitosan complexing was prepared through carboxymethylation
nanocrystallization and complexing with Ca
2+
Zn
2+
. The structure was characterized by infrared spectroscopy
X-ray diffraction spectroscopy and scanning electron microscopy. The properties of coagulation and hemostatic were investigated. The results show that the polyphosphate structure is contained in nano carboxymethyl chitosan
as Ca
2+
and Zn
2+
are contained in Ca/Zn-nano carboxymethyl chitosan. Ca
2+
and Zn
2+
compound successfully with nano carboxymethyl chitosan. The composite has lower crystallization
higher solubility
more uniform round morphology and significant shorter coagulation and hemostasis time. Compared with Zn-nano carboxymethyl chitosan
Ca-nano carboxymethyl chitosan is possessed better structure and better properties of coagulation and hemostasis.
关键词
Keywords
references
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