Immobilization of Au nanoparticles on Au electrode for hydrazine detection: Using thiolated single-stranded DNA as a linker
In this article, we report a method for effective immobilization of Au nanoparticles (AuNPs) on thiolated single-stranded DNA (thiol-ssDNA) modified Au electrode (AuE) surface via coordination interactions between the nitrogen atoms of DNA bases and AuNPs. It suggests that the resultant AuNP-immobil...
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| Veröffentlicht in: | Thin solid films 2011-07, Vol.519 (18), p.6130-6134 |
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| container_end_page | 6134 |
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| container_issue | 18 |
| container_start_page | 6130 |
| container_title | Thin solid films |
| container_volume | 519 |
| creator | Chang, Guohui Luo, Yonglan Lu, Wenbo Hu, Jianming Liao, Fang Sun, Xuping |
| description | In this article, we report a method for effective immobilization of Au nanoparticles (AuNPs) on thiolated single-stranded DNA (thiol-ssDNA) modified Au electrode (AuE) surface via coordination interactions between the nitrogen atoms of DNA bases and AuNPs. It suggests that the resultant AuNP-immobilized AuE exhibits notable catalytic performance for hydrazine oxidation and the loading of AuNPs on the AuE surface and hence the effective catalytic area can be tuned by the immobilization time of thiol-ssDNA and adsorption time of AuNPs. This hydrazine sensor has a fast amperometric response time of less than 4
s. The linear range and detection limit are estimated to be from 0.1
mM to 100
mM (
r
=
0.998) and 0.56
μM at a signal-to-noise ratio of 3, respectively. |
| doi_str_mv | 10.1016/j.tsf.2011.03.049 |
| format | Article |
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mM to 100
mM (
r
=
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s. The linear range and detection limit are estimated to be from 0.1
mM to 100
mM (
r
=
0.998) and 0.56
μM at a signal-to-noise ratio of 3, respectively.</description><subject>Actuators</subject><subject>Adsorption</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>General equipment and techniques</subject><subject>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</subject><subject>Materials science</subject><subject>Nanoscale materials and structures: fabrication and characterization</subject><subject>Other topics in nanoscale materials and structures</subject><subject>Physics</subject><subject>Sensors</subject><subject>Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing</subject><subject>Solid surfaces and solid-solid interfaces</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>Thin film devices</subject><issn>0040-6090</issn><issn>1879-2731</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kMFvVCEQxonRxLX6B3jjYjy95_DgLQ89bVq1TRq92DOhMFhWFlZgTVr_edls06Onycx838D3I-Qtg5EBW3_Yjq36cQLGRuAjCPWMrNgi1TBJzp6TFYCAYQ0KXpJXtW4BgE0TX5G_V7tdvg0xPJgWcqLZ082BJpPy3pQWbMRK-7jPMKJtJTukPhd6d--KeQgJqcPWF937kd7UkH7SdhdyNA0dPbYRh9qKSa73F9821FRqaAzpF5bX5IU3seKbx3pGbr58_nF-OVx__3p1vrkeLJ9VG8StMUKigHmxC4eeUbp5nrywKJ2SMyx-5g5ArpExzpzwE66tEIpJMSmm-Bl5f7q7L_n3AWvTu1AtxmgS5kPVCoSQCyxHJTspbcm1FvR6X8LOlHvNQB85663unPWRswauO-fuefd43VRrou9ZbahPxklw4P0bXffppMMe9U_AoqsNmCy6UDpA7XL4zyv_AN5jkts</recordid><startdate>20110701</startdate><enddate>20110701</enddate><creator>Chang, Guohui</creator><creator>Luo, Yonglan</creator><creator>Lu, Wenbo</creator><creator>Hu, Jianming</creator><creator>Liao, Fang</creator><creator>Sun, Xuping</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TM</scope></search><sort><creationdate>20110701</creationdate><title>Immobilization of Au nanoparticles on Au electrode for hydrazine detection: Using thiolated single-stranded DNA as a linker</title><author>Chang, Guohui ; Luo, Yonglan ; Lu, Wenbo ; Hu, Jianming ; Liao, Fang ; Sun, Xuping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-4baa47e4058c8302017d552f4ce7d97508f53d0076e1131d4f2e6c44917429193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Actuators</topic><topic>Adsorption</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>General equipment and techniques</topic><topic>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</topic><topic>Materials science</topic><topic>Nanoscale materials and structures: fabrication and characterization</topic><topic>Other topics in nanoscale materials and structures</topic><topic>Physics</topic><topic>Sensors</topic><topic>Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing</topic><topic>Solid surfaces and solid-solid interfaces</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>Thin film devices</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chang, Guohui</creatorcontrib><creatorcontrib>Luo, Yonglan</creatorcontrib><creatorcontrib>Lu, Wenbo</creatorcontrib><creatorcontrib>Hu, Jianming</creatorcontrib><creatorcontrib>Liao, Fang</creatorcontrib><creatorcontrib>Sun, Xuping</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Nucleic Acids Abstracts</collection><jtitle>Thin solid films</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chang, Guohui</au><au>Luo, Yonglan</au><au>Lu, Wenbo</au><au>Hu, Jianming</au><au>Liao, Fang</au><au>Sun, Xuping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Immobilization of Au nanoparticles on Au electrode for hydrazine detection: Using thiolated single-stranded DNA as a linker</atitle><jtitle>Thin solid films</jtitle><date>2011-07-01</date><risdate>2011</risdate><volume>519</volume><issue>18</issue><spage>6130</spage><epage>6134</epage><pages>6130-6134</pages><issn>0040-6090</issn><eissn>1879-2731</eissn><coden>THSFAP</coden><abstract>In this article, we report a method for effective immobilization of Au nanoparticles (AuNPs) on thiolated single-stranded DNA (thiol-ssDNA) modified Au electrode (AuE) surface via coordination interactions between the nitrogen atoms of DNA bases and AuNPs. It suggests that the resultant AuNP-immobilized AuE exhibits notable catalytic performance for hydrazine oxidation and the loading of AuNPs on the AuE surface and hence the effective catalytic area can be tuned by the immobilization time of thiol-ssDNA and adsorption time of AuNPs. This hydrazine sensor has a fast amperometric response time of less than 4
s. The linear range and detection limit are estimated to be from 0.1
mM to 100
mM (
r
=
0.998) and 0.56
μM at a signal-to-noise ratio of 3, respectively.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.tsf.2011.03.049</doi><tpages>5</tpages></addata></record> |
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| ispartof | Thin solid films, 2011-07, Vol.519 (18), p.6130-6134 |
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| subjects | Actuators Adsorption Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology General equipment and techniques Instruments, apparatus, components and techniques common to several branches of physics and astronomy Materials science Nanoscale materials and structures: fabrication and characterization Other topics in nanoscale materials and structures Physics Sensors Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Solid surfaces and solid-solid interfaces Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Thin film devices |
| title | Immobilization of Au nanoparticles on Au electrode for hydrazine detection: Using thiolated single-stranded DNA as a linker |
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