A study of double stranded DNA adsorption on aluminum surface by means of electrochemical impedance spectroscopy
Immobilization of DNA on the solid surfaces is one of the goals in bio- and nano-technologies. Adsorption of double stranded DNA on the surface of aluminum was electrochemically studied by means of impedance spectroscopy. Nyquist diagram of aluminum in a tris (hydroxymethyl) ammoniummethane-HCl (Tri...
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| Veröffentlicht in: | Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2014-04, Vol.116, p.526-530 |
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| creator | Heli, H |
| description | Immobilization of DNA on the solid surfaces is one of the goals in bio- and nano-technologies. Adsorption of double stranded DNA on the surface of aluminum was electrochemically studied by means of impedance spectroscopy. Nyquist diagram of aluminum in a tris (hydroxymethyl) ammoniummethane-HCl (Tris-HCl) buffer solution, pH 7.4 consisted of two overlapped capacitive semicircles. The high-frequency semicircle was related to the passivity of Cl(-)-containing aluminum species in the oxide layer, and low-frequency semicircle was attributed to metal dissolution. When DNA was added to the Tris-HCl buffer solution, Nyquist diagrams represented an inductive loop at low frequencies due to the adsorption of DNA on the pre-covered aluminum surface by hydroxy-contained species. The DNA adsorption on the aluminum surface was also confirmed by X-ray photoelectron spectroscopy. Open circuit potential variation with time also indicated the chemical adsorption of DNA on the aluminum surface. |
| doi_str_mv | 10.1016/j.colsurfb.2014.01.046 |
| format | Article |
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Adsorption of double stranded DNA on the surface of aluminum was electrochemically studied by means of impedance spectroscopy. Nyquist diagram of aluminum in a tris (hydroxymethyl) ammoniummethane-HCl (Tris-HCl) buffer solution, pH 7.4 consisted of two overlapped capacitive semicircles. The high-frequency semicircle was related to the passivity of Cl(-)-containing aluminum species in the oxide layer, and low-frequency semicircle was attributed to metal dissolution. When DNA was added to the Tris-HCl buffer solution, Nyquist diagrams represented an inductive loop at low frequencies due to the adsorption of DNA on the pre-covered aluminum surface by hydroxy-contained species. The DNA adsorption on the aluminum surface was also confirmed by X-ray photoelectron spectroscopy. Open circuit potential variation with time also indicated the chemical adsorption of DNA on the aluminum surface.</description><identifier>ISSN: 0927-7765</identifier><identifier>EISSN: 1873-4367</identifier><identifier>DOI: 10.1016/j.colsurfb.2014.01.046</identifier><identifier>PMID: 24576822</identifier><language>eng</language><publisher>Netherlands</publisher><subject>Adsorption ; Aluminum ; Aluminum - chemistry ; Buffer solutions ; Deoxyribonucleic acid ; Dielectric Spectroscopy ; DNA - chemistry ; Electrochemical impedance spectroscopy ; Nanostructure ; Nyquist diagrams ; Photoelectron Spectroscopy ; Surface chemistry ; Surface Properties</subject><ispartof>Colloids and surfaces, B, Biointerfaces, 2014-04, Vol.116, p.526-530</ispartof><rights>Copyright © 2014 Elsevier B.V. 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Adsorption of double stranded DNA on the surface of aluminum was electrochemically studied by means of impedance spectroscopy. Nyquist diagram of aluminum in a tris (hydroxymethyl) ammoniummethane-HCl (Tris-HCl) buffer solution, pH 7.4 consisted of two overlapped capacitive semicircles. The high-frequency semicircle was related to the passivity of Cl(-)-containing aluminum species in the oxide layer, and low-frequency semicircle was attributed to metal dissolution. When DNA was added to the Tris-HCl buffer solution, Nyquist diagrams represented an inductive loop at low frequencies due to the adsorption of DNA on the pre-covered aluminum surface by hydroxy-contained species. The DNA adsorption on the aluminum surface was also confirmed by X-ray photoelectron spectroscopy. Open circuit potential variation with time also indicated the chemical adsorption of DNA on the aluminum surface.</description><subject>Adsorption</subject><subject>Aluminum</subject><subject>Aluminum - chemistry</subject><subject>Buffer solutions</subject><subject>Deoxyribonucleic acid</subject><subject>Dielectric Spectroscopy</subject><subject>DNA - chemistry</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Nanostructure</subject><subject>Nyquist diagrams</subject><subject>Photoelectron Spectroscopy</subject><subject>Surface chemistry</subject><subject>Surface Properties</subject><issn>0927-7765</issn><issn>1873-4367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1r3DAQhkVpaDZp_0LQMRc7GkmW5OOS9AtCcknPQh8j4sW2HMs-7L-vt0l6bZFADHreGYaHkCtgNTBQN4c65L6sc_I1ZyBrBjWT6gPZgdGikkLpj2THWq4rrVVzTi5KOTDGuAT9iZxz2WhlON-RaU_LssYjzYnGvPoet3p2Y8RI7x721MWS52np8ki36_p16MZ1oKfJLiD1RzqgG8spjj2GZc7hGYcuuJ52w4TRjRtVpj8_JeTp-JmcJdcX_PL2XpJf374-3f6o7h-__7zd31dBaL1UKimGigelYyOiSeAgqTa65EFClNEJjtsBaSQqnxzwlmmvTeScGeW9uCTXr32nOb-sWBY7dCVg37sR81osqAakkMDlf6CilVoYpv6NNmC45K0xG6pe0bBtXmZMdpq7wc1HC8yeHNqDfXdoTw4tA7s53IJXbzNWP2D8G3uXJn4DrlmboA</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Heli, H</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>7TM</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7QF</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140401</creationdate><title>A study of double stranded DNA adsorption on aluminum surface by means of electrochemical impedance spectroscopy</title><author>Heli, H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-6f60e62c67d53d8f1a1f69dafb141d4da32e2e21484e6bfa12907b78d22086bb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adsorption</topic><topic>Aluminum</topic><topic>Aluminum - chemistry</topic><topic>Buffer solutions</topic><topic>Deoxyribonucleic acid</topic><topic>Dielectric Spectroscopy</topic><topic>DNA - chemistry</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Nanostructure</topic><topic>Nyquist diagrams</topic><topic>Photoelectron Spectroscopy</topic><topic>Surface chemistry</topic><topic>Surface Properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Heli, H</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Colloids and surfaces, B, Biointerfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Heli, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A study of double stranded DNA adsorption on aluminum surface by means of electrochemical impedance spectroscopy</atitle><jtitle>Colloids and surfaces, B, Biointerfaces</jtitle><addtitle>Colloids Surf B Biointerfaces</addtitle><date>2014-04-01</date><risdate>2014</risdate><volume>116</volume><spage>526</spage><epage>530</epage><pages>526-530</pages><issn>0927-7765</issn><eissn>1873-4367</eissn><abstract>Immobilization of DNA on the solid surfaces is one of the goals in bio- and nano-technologies. Adsorption of double stranded DNA on the surface of aluminum was electrochemically studied by means of impedance spectroscopy. Nyquist diagram of aluminum in a tris (hydroxymethyl) ammoniummethane-HCl (Tris-HCl) buffer solution, pH 7.4 consisted of two overlapped capacitive semicircles. The high-frequency semicircle was related to the passivity of Cl(-)-containing aluminum species in the oxide layer, and low-frequency semicircle was attributed to metal dissolution. When DNA was added to the Tris-HCl buffer solution, Nyquist diagrams represented an inductive loop at low frequencies due to the adsorption of DNA on the pre-covered aluminum surface by hydroxy-contained species. The DNA adsorption on the aluminum surface was also confirmed by X-ray photoelectron spectroscopy. 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| ispartof | Colloids and surfaces, B, Biointerfaces, 2014-04, Vol.116, p.526-530 |
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Adsorption Aluminum Aluminum - chemistry Buffer solutions Deoxyribonucleic acid Dielectric Spectroscopy DNA - chemistry Electrochemical impedance spectroscopy Nanostructure Nyquist diagrams Photoelectron Spectroscopy Surface chemistry Surface Properties |
| title | A study of double stranded DNA adsorption on aluminum surface by means of electrochemical impedance spectroscopy |
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