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Detection of nitroexplosives by surf...

Balaguera-Gelves, Marcia del Rocio.

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Detection of nitroexplosives by surface enhanced Raman spectroscopy on colloidal metal nanoparticles.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Detection of nitroexplosives by surface enhanced Raman spectroscopy on colloidal metal nanoparticles./
Author:	Balaguera-Gelves, Marcia del Rocio.
Description:	75 p.
Notes:	Source: Masters Abstracts International, Volume: 44-06, page: 2811.
Contained By:	Masters Abstracts International44-06.
Subject:	Chemistry, Physical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1435257
ISBN:	9780542721359

Detection of nitroexplosives by surface enhanced Raman spectroscopy on colloidal metal nanoparticles.
Balaguera-Gelves, Marcia del Rocio.

Detection of nitroexplosives by surface enhanced Raman spectroscopy on colloidal metal nanoparticles. - 75 p.

Source: Masters Abstracts International, Volume: 44-06, page: 2811.

Thesis (M.S.)--University of Puerto Rico, Mayaguez (Puerto Rico), 2007.

Gold and silver colloids have been synthesized by chemical reduction methods, and they have been used for detecting molecules in solution with high sensitivity and molecular specificity. The present study focuses on metallic nanoparticles of silver and gold colloids with &sim;60-80 nm particle size in surface enhanced Raman and surface enhanced resonance Raman scattering (SERS).

ISBN: 9780542721359Subjects--Topical Terms:

560527
Chemistry, Physical.

Detection of nitroexplosives by surface enhanced Raman spectroscopy on colloidal metal nanoparticles.
LDR:02182nmm 2200289 4500 001 1830821
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008 130610s2007 eng d
020 $a 9780542721359
035 $a (UnM)AAI1435257
035 $a AAI1435257
040 $a UnM $c UnM
100 1 $a Balaguera-Gelves, Marcia del Rocio. $3 1919639
245 1 0 $a Detection of nitroexplosives by surface enhanced Raman spectroscopy on colloidal metal nanoparticles.
300 $a 75 p.
500 $a Source: Masters Abstracts International, Volume: 44-06, page: 2811.
500 $a Adviser: Samuel P. Hernandez Rivera.
502 $a Thesis (M.S.)--University of Puerto Rico, Mayaguez (Puerto Rico), 2007.
520 $a Gold and silver colloids have been synthesized by chemical reduction methods, and they have been used for detecting molecules in solution with high sensitivity and molecular specificity. The present study focuses on metallic nanoparticles of silver and gold colloids with &sim;60-80 nm particle size in surface enhanced Raman and surface enhanced resonance Raman scattering (SERS).
520 $a Recent experimental data have demonstrated the effect of metal nanostructures coated with hydrophilic copolymers (silver on thin-polymer film coated glass slide). Results indicated a decrease in the intensity of the SERS in TNT and TNT dye which was still detectable by the enhanced presence of the NO 2 out-of-plane bending modes at 820 and 850 cm-1 and the NO2 stretching mode at 1300-1370 cm-1. It was also observed that the polymer film does not interfere with the signal of SERS in the film and some stretching bands of TNT were detected. In conclusion we found that polymers with carboxylic side chains like 2-hydroxyethylmethacrylate (Methacrylic Acid) cause the silver colloid surface layer to replace citrate ions by chemical species of like charge and similarly with aril carboxyl groups in polymer addition. (Abstract shortened by UMI.)
590 $a School code: 0553.
650 4 $a Chemistry, Physical. $3 560527
650 4 $a Chemistry, Polymer. $3 1018428
690 $a 0494
690 $a 0495
710 2 0 $a University of Puerto Rico, Mayaguez (Puerto Rico). $3 1017811
773 0 $t Masters Abstracts International $g 44-06.
790 1 0 $a Rivera, Samuel P. Hernandez, $e advisor
790 $a 0553
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1435257