Journal
JOURNAL OF RAMAN SPECTROSCOPY
Volume 46, Issue 4, Pages 377-383Publisher
WILEY-BLACKWELL
DOI: 10.1002/jrs.4654
Keywords
gold nanoparticles; -CD; persistent organic pollutant; TEM; SERS
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Funding
- DST-WOS-A
- DST-CURIE, New Delhi
- UGC-DAE-CSR, Indore
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A highly sensitive surface-enhanced Raman scattering (SERS) platform for the selective trace analysis of persistent organic pollutant (POP) such as polychlorinated biphenyl (PCBs) was reported based on -CD modified gold nanoparticles (AuNPs) with the real environmental sample of polluted soil. The synthesized gold nanoparticles were characterized using UV-vis spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and transmission electron microscopy (TEM). In polluted soil the presentation of PCB is confirmed by using GC-MS. It is further verified and confirmed by using SERS. When the contaminated soil was added to the system, the binding of soil with -CD resulted in the aggregation of AuNPs, and excellent Raman signal was obtained which can reflect the isomers of polychlorinated biphenyls. Copyright (c) 2015 John Wiley & Sons, Ltd.
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