In situ silver nanoparticles synthesis in agarose film supported on filter paper and its application as highly efficient SERS test stripes Ali Raza,

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Presentation transcript:

In situ silver nanoparticles synthesis in agarose film supported on filter paper and its application as highly efficient SERS test stripes Ali Raza, Basudeb Saha Forensic Science International Volume 237, Pages e42-e46 (April 2014) DOI: 10.1016/j.forsciint.2014.01.019 Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 Scheme for the fabrication of silver nanoparticles in agarose film supported on filter paper, (d) show the actual filter paper after 72h of treatment. Forensic Science International 2014 237, e42-e46DOI: (10.1016/j.forsciint.2014.01.019) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 (a) UV spectrum and (b) XRD pattern of the silver nanoparticles in agarose film supported on filter paper. Forensic Science International 2014 237, e42-e46DOI: (10.1016/j.forsciint.2014.01.019) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 3 SERS spectra of CV dye of different concentrations. Arrow indicates a decrease in concentration. Forensic Science International 2014 237, e42-e46DOI: (10.1016/j.forsciint.2014.01.019) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 4 Normal Raman (NR) and SERS spectra of (a) TNT [10−4M] and chlorpyrifos [10−4M]. Forensic Science International 2014 237, e42-e46DOI: (10.1016/j.forsciint.2014.01.019) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 5 SERS spectra of CV dye [10−3M] with (a) reported SERS substrate and, (b) our silver doped agarose film supported on filter paper. Forensic Science International 2014 237, e42-e46DOI: (10.1016/j.forsciint.2014.01.019) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions