Simple and selective detection of pendimethalin herbicide in water and food samples based on the aggregation of ractopamine-dithiocarbamate functionalized gold nanoparticles
作者： Jigneshkumar V. Rohit , Suresh Kumar Kailasa
DOI: 10.1016/J.SNB.2017.02.007
关键词:
摘要: Abstract In this work, a simple, selective and sensitive colorimetric method was developed for the detection of pendimethalin herbicide using ractopamine-dithiocarbamate capped gold nanoparticles (RAC-DTC-Au NPs) as probe. The effectively induced aggregation RAC-DTC-Au NPs via various interactions (donor-acceptor, π-π, van der Waals hydrogen-bonding), resulting color change from red to blue. As result, linear graph plotted between absorption ratio at A650/A522 concentration in range 5.0–500 μM. limit found be 0.22 μM, which is very close maximum residue (MRL) that established by European Commission. proposed successfully applied detect environmental water food samples with good recoveries.
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