The authors gratefully acknowledge the support of the Natural Science Foundation of Hunan Province in China (No. 03JJY3030 ), the Science and Technology Program of Hunan Province in China (No. 2010SK3039 ) and the Science Research Program of Educational Department of Hunan Province in China (No. 08C718 ).
机构署名:
本校为第一且通讯机构
院系归属:
化学化工学院
公共卫生学院
摘要:
A novel method for the determination of trace formaldehyde in blood plasma has been established by using resonance fluorimetry technique. It was based on the fact that oxidation of pyronine Y by potassium bromate was catalyzed by formaldehyde in sulfuric acid. When the wavelength interval was at Δλ=0nm, it was found that the decreased intensity (ΔF) of resonance fluorescence at 574.6nm was proportional to the concentration of formaldehyde in the range of 1.27×10-2 to 2.28μgmL-1. The limit of detection and the average recovery for formaldeh...