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Articles by Weifu Kong
Total Records ( 1 ) for Weifu Kong
  Shicong Hou , Yan Cui , Fengpei Du , Weifu Kong , Junfen Song , Ying Li and Nianqin Jie
  A new method for the determination of carbofuran (CF) with DNA by a resonance light scattering (RLS) technique was developed. The intensity of RLS (IRLS) of DNA-HCl system was significantly quenched in presence of CF. A RLS peak at 315.6 nm was found, and the quenched intensity of RLS was proportional to the concentration of CF. The linear range of the calibration curve was ≈0.02-2.0 μg mL-1 and the detection limit (S/N = 3) 7 ng mL-1. The CF in river water, cucumbers and rice samples was determined. The recovery rates were in the range of 90.0-111.1, 95.0-106, 93.0-111.0%, respectively. The mechanism of the reaction between CF and DNA is also discussed.
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