Heat-Associated Field Distortion in Electro-Migration Techniques
Electro-migration techniques, such as electrophoresis, are widely utilized in analytical sciences. If a single electrolyte is used, the field strength is typically assumed to be well-defined. Heat-associated field distortion (HAFD) has been suggested as a result of the nonuniform heat dissipation th...
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| Veröffentlicht in: | Analytical chemistry (Washington) 2010-10, Vol.82 (20), p.8398-8401 |
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| creator | Evenhuis, Christopher J Musheev, Michael U Krylov, Sergey N |
| description | Electro-migration techniques, such as electrophoresis, are widely utilized in analytical sciences. If a single electrolyte is used, the field strength is typically assumed to be well-defined. Heat-associated field distortion (HAFD) has been suggested as a result of the nonuniform heat dissipation throughout the electrolyte; however, it has never been experimentally studied. Here, we experimentally demonstrated HAFD for the first time. We used capillary electrophoresis (CE) with a capillary having parts with different heat dissipation efficiencies. Our experiments showed a difference in field strength of approximately 1.5 times between the different parts of the capillary for a typical CE electrolyte. This result suggests that HAFD is a well pronounced phenomenon that can be a potential source of errors and instabilities in electro-migration experiments. |
| doi_str_mv | 10.1021/ac102018m |
| format | Article |
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If a single electrolyte is used, the field strength is typically assumed to be well-defined. Heat-associated field distortion (HAFD) has been suggested as a result of the nonuniform heat dissipation throughout the electrolyte; however, it has never been experimentally studied. Here, we experimentally demonstrated HAFD for the first time. We used capillary electrophoresis (CE) with a capillary having parts with different heat dissipation efficiencies. Our experiments showed a difference in field strength of approximately 1.5 times between the different parts of the capillary for a typical CE electrolyte. 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This result suggests that HAFD is a well pronounced phenomenon that can be a potential source of errors and instabilities in electro-migration experiments.</description><subject>Analytical chemistry</subject><subject>Chemistry</subject><subject>Chromatographic methods and physical methods associated with chromatography</subject><subject>Electrolytes</subject><subject>Electrophoresis, Capillary - methods</subject><subject>Exact sciences and technology</subject><subject>Hot Temperature</subject><subject>Other chromatographic methods</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkD1PwzAQhi0EoqUw8AdQF4QYAmc7uTgbVSkUqYilzNHFccBVPoqdDPx7UlrahVte6fTovdPD2CWHOw6C35PuA7iqjtiQRwICVEocsyEAyEDEAAN25v0KgHPgeMoGAhQiJMmQPcwNtcHE-0Zbak0-frKmzMeP1reNa21Tj209npVGt64JXu2Ho9_l0ujP2n51xp-zk4JKby52OWLvT7PldB4s3p5fppNFQDJO2kArjrrQWRZmRqKmflCSLkLEKOdSQai4hP6pDEhwEWoCTCRmMWqkRKEcsZtt79o1m7ttWlmvTVlSbZrOpwoFgowk9OTtltSu8d6ZIl07W5H7TjmkG1_p3lfPXu1au6wy-Z78E9QD1zuAvKaycFRr6w-clCKKBR440j5dNZ2rexn_HPwBChZ87g</recordid><startdate>20101015</startdate><enddate>20101015</enddate><creator>Evenhuis, Christopher J</creator><creator>Musheev, Michael U</creator><creator>Krylov, Sergey N</creator><general>American Chemical Society</general><scope>IQODW</scope><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></search><sort><creationdate>20101015</creationdate><title>Heat-Associated Field Distortion in Electro-Migration Techniques</title><author>Evenhuis, Christopher J ; Musheev, Michael U ; Krylov, Sergey N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a379t-c816cfcbb4be36caaaa63acf4665d138048130660b0a2124ca06936b76c6a9863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Analytical chemistry</topic><topic>Chemistry</topic><topic>Chromatographic methods and physical methods associated with chromatography</topic><topic>Electrolytes</topic><topic>Electrophoresis, Capillary - methods</topic><topic>Exact sciences and technology</topic><topic>Hot Temperature</topic><topic>Other chromatographic methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Evenhuis, Christopher J</creatorcontrib><creatorcontrib>Musheev, Michael U</creatorcontrib><creatorcontrib>Krylov, Sergey N</creatorcontrib><collection>Pascal-Francis</collection><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><jtitle>Analytical chemistry (Washington)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Evenhuis, Christopher J</au><au>Musheev, Michael U</au><au>Krylov, Sergey N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Heat-Associated Field Distortion in Electro-Migration Techniques</atitle><jtitle>Analytical chemistry (Washington)</jtitle><addtitle>Anal. 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| source | MEDLINE; American Chemical Society Journals |
| subjects | Analytical chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Electrolytes Electrophoresis, Capillary - methods Exact sciences and technology Hot Temperature Other chromatographic methods |
| title | Heat-Associated Field Distortion in Electro-Migration Techniques |
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