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Surface-Enhanced Raman Scattering Study of the Silver Nanoparticle-Hydrogel Composite (CROSBI ID 518550)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Miljanić, Snežana ; Frkanec, Leo ; Meić, Zlatko ; Žinić, Mladen Surface-Enhanced Raman Scattering Study of the Silver Nanoparticle-Hydrogel Composite // Abstract Book. 1st European Chemistry Congress / Horvai, Gyorgy ; Bombicz, Petra ; Androsits, Beata (ur.). Budimpešta, 2006. str. 96-x

Podaci o odgovornosti

Miljanić, Snežana ; Frkanec, Leo ; Meić, Zlatko ; Žinić, Mladen

engleski

Surface-Enhanced Raman Scattering Study of the Silver Nanoparticle-Hydrogel Composite

To obtain detailed information on the molecular self-assembly process of small organic molecules in various solvents numerous spectroscopic methods have been applied [1]. Due to limitations in use of these techniques caused by low gelator concentration and water as a gelling medium an innovative approach employing surface-enhanced Raman scattering (SERS) has been demonstrated. Bis-(S)-phenylalanine oxalyl amide acts as an efficient low molecular weight organic gelator of water having ability to form a thermoreversible and stable gel with a silver colloidal solution too. While a FT Raman spectrum of the gelling substance in hydrogel was not obtained, intense bands in the SER spectrum indicated the gelator molecules attached to the silver colloidal particles within the gel structure. Based on concentration and temperature dependent SER spectra adsorption mechanism of the gelling aminoacid oxalyl amide onto particle surface as well as dominant intermolecular interactions involved in nanocomposite hydrogel formation will be discussed. [1] Estroff L. A., Hamilton A. D.: Chem. Rev. 104, 1201-1217, 2004.

hydrogel; silver colloid; surface-enhanced Raman scattering

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Podaci o prilogu

96-x.

2006.

objavljeno

Podaci o matičnoj publikaciji

Abstract Book. 1st European Chemistry Congress

Horvai, Gyorgy ; Bombicz, Petra ; Androsits, Beata

Budimpešta:

Podaci o skupu

1st European Chemistry Congress

poster

27.08.2006-31.08.2006

Budimpešta, Mađarska

Povezanost rada

Kemija