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Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere

Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere

The formation of AuxSy interfacial layer by reactive annealing of gold films in H₂S atmosphere is investigated. This seems to be a technologically favorable technique for the large-scale and low-cost fabrication of nondestructive immobilization support for biological molecules. Formation of phases w...

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Main Authors: Snopok, B. A., Kostyukevych, K.V., Beketov, G.V., Zinio, S.A., Shirshov, Yu.M., Venger, E.F.
Format: Article
Language:English
Published: Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України 2000
Series:Semiconductor Physics Quantum Electronics & Optoelectronics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/120238
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spelling irk-123456789-1202382017-06-12T03:05:37Z Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere Snopok, B. A. Kostyukevych, K.V. Beketov, G.V. Zinio, S.A. Shirshov, Yu.M. Venger, E.F. The formation of AuxSy interfacial layer by reactive annealing of gold films in H₂S atmosphere is investigated. This seems to be a technologically favorable technique for the large-scale and low-cost fabrication of nondestructive immobilization support for biological molecules. Formation of phases with different chemical functionality and surface topography as a function of reaction time was studied using Atomic Force Microscopy (AFM), Surface Plasmon Resonance (SPR) measurements and biomolecular interaction analysis (trypsin - Soybean Trypsin Inhibitor (STI) reaction). The results obtained confirm the classical two-step model for the sulfide phase formation during reactive annealing. This includes an intermediate formation of a dispersed phase of sulfur followed by its reconstruction to a close-packed sulfide layer. Adsorption of proteins onto a certain sulfide layer passes with retention of a native state of adsorbed molecules. The proposed strategy for formation of biochemical structures (gold/sulfide/proteins) on the surface of physical transducers opens a new way for design and development of novel artificial smart sensing systems. They not only maintain optimal functioning of bioreceptors but also are responsive to their environment. 2000 Article Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere / B.A. Snopok, K.V. Kostyukevych, G.V. Beketov, S.A. Zinio, Yu.M. Shirshov, E.F. Venger // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2000. — Т. 3, № 1. — С. 59-68. — Бібліогр.: 50 назв. — англ. 1560-8034 PACS 07.60.Hv; 78.30.Jv; 85.60.Me; 87.80.+s ; http://dspace.nbuv.gov.ua/handle/123456789/120238 en Semiconductor Physics Quantum Electronics & Optoelectronics Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description The formation of AuxSy interfacial layer by reactive annealing of gold films in H₂S atmosphere is investigated. This seems to be a technologically favorable technique for the large-scale and low-cost fabrication of nondestructive immobilization support for biological molecules. Formation of phases with different chemical functionality and surface topography as a function of reaction time was studied using Atomic Force Microscopy (AFM), Surface Plasmon Resonance (SPR) measurements and biomolecular interaction analysis (trypsin - Soybean Trypsin Inhibitor (STI) reaction). The results obtained confirm the classical two-step model for the sulfide phase formation during reactive annealing. This includes an intermediate formation of a dispersed phase of sulfur followed by its reconstruction to a close-packed sulfide layer. Adsorption of proteins onto a certain sulfide layer passes with retention of a native state of adsorbed molecules. The proposed strategy for formation of biochemical structures (gold/sulfide/proteins) on the surface of physical transducers opens a new way for design and development of novel artificial smart sensing systems. They not only maintain optimal functioning of bioreceptors but also are responsive to their environment.
format Article
author Snopok, B. A.
Kostyukevych, K.V.
Beketov, G.V.
Zinio, S.A.
Shirshov, Yu.M.
Venger, E.F.
spellingShingle Snopok, B. A.
Kostyukevych, K.V.
Beketov, G.V.
Zinio, S.A.
Shirshov, Yu.M.
Venger, E.F.
Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
Semiconductor Physics Quantum Electronics & Optoelectronics
author_facet Snopok, B. A.
Kostyukevych, K.V.
Beketov, G.V.
Zinio, S.A.
Shirshov, Yu.M.
Venger, E.F.
author_sort Snopok, B. A.
title Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
title_short Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
title_full Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
title_fullStr Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
title_full_unstemmed Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
title_sort biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere
publisher Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
publishDate 2000
url http://dspace.nbuv.gov.ua/handle/123456789/120238
citation_txt Biochemical passivation of metal surfaces for sensor application: reactive annealing of polycrystalline gold films in hydrogen sulfide atmosphere / B.A. Snopok, K.V. Kostyukevych, G.V. Beketov, S.A. Zinio, Yu.M. Shirshov, E.F. Venger // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2000. — Т. 3, № 1. — С. 59-68. — Бібліогр.: 50 назв. — англ.
series Semiconductor Physics Quantum Electronics & Optoelectronics
work_keys_str_mv AT snopokba biochemicalpassivationofmetalsurfacesforsensorapplicationreactiveannealingofpolycrystallinegoldfilmsinhydrogensulfideatmosphere
AT kostyukevychkv biochemicalpassivationofmetalsurfacesforsensorapplicationreactiveannealingofpolycrystallinegoldfilmsinhydrogensulfideatmosphere
AT beketovgv biochemicalpassivationofmetalsurfacesforsensorapplicationreactiveannealingofpolycrystallinegoldfilmsinhydrogensulfideatmosphere
AT ziniosa biochemicalpassivationofmetalsurfacesforsensorapplicationreactiveannealingofpolycrystallinegoldfilmsinhydrogensulfideatmosphere
AT shirshovyum biochemicalpassivationofmetalsurfacesforsensorapplicationreactiveannealingofpolycrystallinegoldfilmsinhydrogensulfideatmosphere
AT vengeref biochemicalpassivationofmetalsurfacesforsensorapplicationreactiveannealingofpolycrystallinegoldfilmsinhydrogensulfideatmosphere
first_indexed 2023-10-18T20:36:44Z
last_indexed 2023-10-18T20:36:44Z
_version_ 1796150650829012992

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