Document Detail

Fluorescence quenching amplification in silica nanosensors for Au(3+).
MedLine Citation:
PMID:  23037328     Owner:  NLM     Status:  In-Data-Review    
In this study silica nanoparticles (SiNPs) were covalently modified by the fluorescence ligand 2-((7-oxo-7H- furo [3, 2-g] chromen-9-yl) oxy)-N-(3-(triethoxysilyl) propyl) acetamide (CTPA) and provided an optical sensor allowing highly sensitive and selective detection for Au(3+). The probe exhibited a dynamic response range for Au(3+) from 5.0 × 10(-7) to 1.0 × 10(-4) M, with a detection limit of 2.3 × 10(-8) M. Other alkali, earth alkali and transition metal ions, even those that exist in high concentration, had no significant interference with Au(3+) determination.
Zhiguang Song; Chuan Xiao; Yanna Dai; Qiang Fei; Yanfu Huan; Guodong Feng
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Publication Detail:
Type:  Journal Article     Date:  2012-10-04
Journal Detail:
Title:  Nanotechnology     Volume:  23     ISSN:  1361-6528     ISO Abbreviation:  Nanotechnology     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101241272     Medline TA:  Nanotechnology     Country:  England    
Other Details:
Languages:  eng     Pagination:  425501     Citation Subset:  IM    
School of Chemistry, Jilin University, Changchun 130023, People's Republic of China.
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