Abstract:
UNLABELLED:In the study, a method called "hardening in liquid phase" for preparing chitosan granules with glutaraldehyde as crosslinker and Tween 80 as surfactant and paraffin liquid as dispersant was established. The chitosan granules were light yellow and insoluble in water or oil, but they swelled in acid solution and narrowed in neutral or alkaline solution. Furthermore, some of characteristics of the chitosan granules were revealed. (a) Stability: Their shapes were stable at pH 7.0 and pH 8.0 and -30 degrees C-120 degrees C. The shelf life is at least one year in vitro at room temperature. (b) SAFETY:Some experiments of their lethal effect to suckling mice and pathogenicity to mature mice proved the chitosan granules were harmless. (c) Antiviral activity: Some suckling mice injected with chitosan granules were still alive or delayed death compared with control group when they challenged with foot-and-mouth disease virus (FMDV). Such anti-FMDV capacity could maintain 1 week and was the strongest on the third day.
journal_name
Virol Jjournal_title
Virology journalauthors
Li Ddoi
10.1186/1743-422X-7-125subject
Has Abstractpub_date
2010-06-12 00:00:00pages
125issn
1743-422Xpii
1743-422X-7-125journal_volume
7pub_type
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