Surface-enhanced Raman scattering spectroscopy of explosive 2,4-dinitroanisole using modified silver nanoparticles.

@article{Xu2011SurfaceenhancedRS,
  title={Surface-enhanced Raman scattering spectroscopy of explosive 2,4-dinitroanisole using modified silver nanoparticles.},
  author={Zhonghou Xu and Jumin Hao and Washington Braida and David Strickland and Fasheng Li and Xiaoguang Meng},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2011},
  volume={27 22},
  pages={
          13773-9
        }
}
2,4-Dinitroanisole (DNAN) is being used as a replacement for 2,4,6-trinitrotoluene (TNT) as a less-sensitive melt-cast medium explosive than TNT. In this paper, we studied the surface-enhanced Raman spectroscopy (SERS) analysis of DNAN using Ag nanoparticles (AgNPs) modified by L-cysteine methyl ester hydrochloride. Due to the formation of a Meisenheimer complex between DNAN and the modifier, the modified AgNPs can detect 20 μg/L (0.2 ng) and 0.1 mg/L (1 ng) DNAN in deionized water and aged tap… CONTINUE READING
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