Preparation and Performance Characterization of Hemostatic Materials

Feng Ming Wang; Chang Ping Wei; Jing Li; Shuang Sun; Li Dan Dong; Qing Yi Liu

doi:10.4028/www.scientific.net/MSF.852.1282

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HomeMaterials Science ForumMaterials Science Forum Vol. 852Preparation and Performance Characterization of...

Preparation and Performance Characterization of Hemostatic Materials

Abstract:

Nanometer chitosan (nmCS) was obtained by ion exchange methodology, and the nanometer CS-Ag、CS-Ca and CS-Ag-Ca were prepared by introducing AgNO₃ and saturated CaCl₂ solution into the product obtained above. The structures of samples were characterized by IR, XRD, SEM etc. The properties of cruor and hemostasis were studied by biological experiment. The results showed that the characteristic absorption peaks at 1647 cm^-1 and 1560 cm^-1 in the IR spectra of modified chitosan were assigned to nanometer chitosan sodium salt. The XRD spectra showed the characteristics of crystal shape of Ag⁺and Ca²⁺. The SEM showed that nanometer chitosan had a part of precipitate of Ag⁺and the composite effect of nanometer CS-Ca was better. The properties of cruor and hemostasis of CS-Ag-Ca were superior to CS-Ag and CS-Ca, while the CS-Ag and CS-Ca were also had an advantage over CS.

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Periodical:

Materials Science Forum (Volume 852)

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1282-1287

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.852.1282

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Online since:

April 2016

Authors:

Feng Ming Wang, Chang Ping Wei, Jing Li, Shuang Sun, Li Dan Dong, Qing Yi Liu

Keywords:

AgNO₃, Characteristic, Nanometer Chitosan, Performance, TiO₂

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