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Non-toxic O-quaternized chitosan materials with better water solubility and antimicrobial function.
Int J Biol Macromol
March 2016
School of Pharmacy, The Key Laboratory of Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine of China, Binzhou Medical University, Yantai 264003, P.R. China.
Five water-soluble O-quaternary ammonium salt-chitosans (QAS-CS) bearing N-methyl-N-R-N, N-bis(2-hydroxyethyl) ammonium bromides (R=-benzyl (chloride, BNQAS-CS), -dodecyl (C12QAS-CS), -tetradecyl (C14QAS-CS), -hexadecyl (C16QAS-CS), -octadecyl (C18QAS-CS)) were prepared, respectively. They were characterized by FTIR, (1)H NMR and elemental analysis. Through chemical modification of O-quaternized chitosans, the water solubility of all QAS-CS was improved distinctly.
View Article and Find Full Text PDFBeyond the band-aids: what is "good" international aid?
Can Nurse
April 2010
School of Nursing, McMaster University, Hamilton, Ontario.
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