Colloidal Metal Surfaces as Biosensors of Biological Samples

• Autorzy: Tąta A. , Gralec B. , Proniewicz E.
• Języki publikacji: EN

Abstrakty

EN

Colloidal solutions of silver (AgNPs), gold (AuNPs), and platinum nanoparticles (PtNps) obtained under controlled conditions in an aqueous media by chemical methods were used as effective biosensors of biological compounds such as bombesins (BN). The BN adsorption at the metal/aqueous interface was investigated by surface-enhanced Raman scattering (SERS). Briefly, the spectral pattern of BN in the silver, gold, and platinum sols is strongly influenced by the indole ring vibrations of L-tryptophan at position 8 of the amino acid sequence (Trp8). In addition, L-methionine (Met) at the C-terminus determines the BN adsorption, mainly onto the AuNPs and AgNPs surfaces.

Słowa kluczowe

EN

colloidal gold nanoparticles, AuNPs; colloidal silver nanoparticles, AgNPs; colloidal platinum nanoparticles, PtNPs; surface-enhanced Raman Scattering, SERS; bombesin, BN

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Journal of Casting & Materials Engineering
• Rocznik: 2017
• Tom: Vol. 1, no. 1
• Strony: 7--10
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Tąta A.

• AGH University of Science and Technology, Faculty of Foundry Engineering

autor

Gralec B.

• University of Warsaw, Faculty of Chemistry, Pasteura 1, 02-093 Warsaw, Poland

autor

Proniewicz E.

• AGH University of Science and Technology, Faculty of Foundry Engineering

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