Document Detail


Determination of sulfadiazine based on its derivatization with fluorescamine by self-ordered ring fluorescence microscopic imaging technique.
MedLine Citation:
PMID:  23240417     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
A self-ordered ring (SOR) fluorescence microscopic imaging technique has been developed for the determination of trace amounts of sulfadiazine based on its derivatization with fluorescamine. In the presence of HAc-NaAc buffer solution (pH 3.12) and polyvinyl alcohol-124 (PVA-124), the droplet containing fluorescamine derivatized sulfadiazine can form a SOR on the solid support after solvent evaporation with the diameter of 1.86 mm and its ring belt width of 54.9 microm. The quantitative analysis of sulfadiazine is achieved with the linear range of 7.8 x 10(-14)-1.8 x 10(-12) mol x ring(-1) (3.9 x 10(-7)-9.0 x 10(-6) mol x L(-1) and detection limit of 7.8 x 10(-5) mol x ring(-1) (3.9 x 10(-8) mol x L(-1)) when 0.2 microL droplet was spotted. The technique has been satisfactorily applied to the determination of sulfadiazine in the tablet, synthetic sample and residues in six different milk samples with the recoveries of 91.0%-105.8%, respectively, and RSDs less than 4.4%.
Authors:
Le Yang; Ying Liu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Guang pu xue yu guang pu fen xi = Guang pu     Volume:  32     ISSN:  1000-0593     ISO Abbreviation:  Guang Pu Xue Yu Guang Pu Fen Xi     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-12-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9424805     Medline TA:  Guang Pu Xue Yu Guang Pu Fen Xi     Country:  China    
Other Details:
Languages:  eng     Pagination:  2458-63     Citation Subset:  IM    
Affiliation:
College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China. yangle-happy@163.com
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