Citation:
LI Jingyun, WANG Yi, XU Jiali, LI Yuanfang. Detection of Cefazolin Based on the Plasmonic Resonance Absorption of Gold Nanoparticles[J]. Chinese Journal of Applied Chemistry,
;2012, 29(4): 455-461.
doi:
10.3724/SP.J.1095.2012.00231
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The cefazolin can be detected according to the change of solution color resulting from the plasmonic resonance absorption of AuNPs.The absorbance ratio at 520/660 nm of AuNPs is proportional to the concentration of cefazolin in the range of 0.1~5.0 μmol/L with the detection limit of 14 nmol/L.This method could be extended to the determination of cefazolin sodium powder injection,the recovery of cefazolin was in the range of 97.4%~100.2% while the relative standard deviation was less than 6.1%.
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