New Silver Nanosensor for Nickel Traces. Part II： Urinary Nickel Determination Associated to Smoking Addiction  

作　　者：Maria Carolina Talio Marta O. Luconi Liliana P. Femaindez 

机构地区：[1]Chemical Institute of San Luis （INQUISAL-CONICET）, Chacabuco y Pedernera, San Luis 5700, Argentine [2]Area of Analytical Chemistry, Faculty of Chemistry, Biochemistry and Pharmacy, Nacional University of San Luis, San Luis 5700,Argentine

出　　处：《Journal of Life Sciences》2012年第1期36-40,共5页生命科学（英文版）

摘　　要：A new fluorescence silver nanosensor assisted by surfactant has been recently synthesized and applied to ultra trace nickel determination. The methodology was validated by the standard addition method and satisfactorily applied to nickel determination in urine without previous treatment, coming from subjects with different smoking addiction levels and second hand smokers. Within-day precision was better than 0.011 CV. The reproducibility （between-days precision） was also evaluated over 3 days by performing six determinations each day with a CV of 0.025. The proposed methodology represents a promising approach in the area of biological monitoring due to its low operation cost, simplicity of instrumentation, high sampling speed and non-polluting solvents. Obtained results of urinary nickel concentration were successfully correlated with the tobacco addiction.

关 键 词：Fluorescence nanosensor micellar silver nanoparticles urinary nickel smoker and non-smoker subjects second handsmoke exposure. 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] S816.17[自动化与计算机技术—控制科学与工程]