Characterization of capillary inner surface conditions with streaming potential
Streaming potential is created when an electrolyte solution is forced to flow pass a charged surface. For an uncoated fused silica capillary, the streaming potential is measured between the inlet and outlet vials while applying a pressure across the capillary. The changes in streaming potential can...
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| Veröffentlicht in: | Electrophoresis 2021-10, Vol.42 (20), p.2094-2102 |
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| container_title | Electrophoresis |
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| creator | Chenyakin, Yuri Chen, David Da Yong |
| description | Streaming potential is created when an electrolyte solution is forced to flow pass a charged surface. For an uncoated fused silica capillary, the streaming potential is measured between the inlet and outlet vials while applying a pressure across the capillary. The changes in streaming potential can be used to characterize the properties of the capillary inner surface. In this work, HCl, NaCl, and NaOH solutions ranging from 0.4 to 6 mM were used as the background electrolyte (BGE) at temperatures of 15 to 35 °C for the mesurements. The streaming potential decreases with the increase in BGE concentration, and the trend is amplified at higher temperatures. When buffer solutions in the pH range of 1.5 to 12.7 were used as the BGE, streaming potential was shown to be sensitive to changes in pH but reaches a maximum at around 9.5. At pH |
| doi_str_mv | 10.1002/elps.202100167 |
| format | Article |
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For an uncoated fused silica capillary, the streaming potential is measured between the inlet and outlet vials while applying a pressure across the capillary. The changes in streaming potential can be used to characterize the properties of the capillary inner surface. In this work, HCl, NaCl, and NaOH solutions ranging from 0.4 to 6 mM were used as the background electrolyte (BGE) at temperatures of 15 to 35 °C for the mesurements. The streaming potential decreases with the increase in BGE concentration, and the trend is amplified at higher temperatures. When buffer solutions in the pH range of 1.5 to 12.7 were used as the BGE, streaming potential was shown to be sensitive to changes in pH but reaches a maximum at around 9.5. At pH < 3.3, no streaming potentials were observed. The pH of zero surface charge (streaming potential equals 0) changes with temperature, and is measured to be 3.3 to 3.1 when the temperature is changed from 15 to 35°C. Zeta potentials can be calculated from the measured streaming potential, conductivity, and the solution viscosity. Surface charge densities were calculated in this work using the zeta potentials obtained. We demonstrated that capillary surface conditions can significantly change the streaming potential, and with three different solutions, we showed that analyte‐dependent adsorption can be monitored and mitigated to improve the peak symmetry and migration times reproducibility.</description><identifier>ISSN: 0173-0835</identifier><identifier>EISSN: 1522-2683</identifier><identifier>DOI: 10.1002/elps.202100167</identifier><identifier>PMID: 34406665</identifier><language>eng</language><publisher>Germany: Wiley Subscription Services, Inc</publisher><subject>Adsorption ; Buffer solutions ; Capillary Electrophoresis ; Capillary pressure ; Charge density ; Electrolytes ; Fused silica ; Mathematical analysis ; Reproducibility ; Reproducibility Improvement ; Reproducibility of Results ; Silicon Dioxide ; Streaming Potential ; Surface Characterization ; Surface charge ; Temperature</subject><ispartof>Electrophoresis, 2021-10, Vol.42 (20), p.2094-2102</ispartof><rights>2021 Wiley‐VCH GmbH</rights><rights>2021 Wiley-VCH GmbH.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3682-d64241be644ea0a4a7f9955f116e4d646f66b559a618a04861da198ff4af6d9f3</citedby><cites>FETCH-LOGICAL-c3682-d64241be644ea0a4a7f9955f116e4d646f66b559a618a04861da198ff4af6d9f3</cites><orcidid>0000-0002-3669-6041</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Felps.202100167$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Felps.202100167$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34406665$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chenyakin, Yuri</creatorcontrib><creatorcontrib>Chen, David Da Yong</creatorcontrib><title>Characterization of capillary inner surface conditions with streaming potential</title><title>Electrophoresis</title><addtitle>Electrophoresis</addtitle><description>Streaming potential is created when an electrolyte solution is forced to flow pass a charged surface. For an uncoated fused silica capillary, the streaming potential is measured between the inlet and outlet vials while applying a pressure across the capillary. The changes in streaming potential can be used to characterize the properties of the capillary inner surface. In this work, HCl, NaCl, and NaOH solutions ranging from 0.4 to 6 mM were used as the background electrolyte (BGE) at temperatures of 15 to 35 °C for the mesurements. The streaming potential decreases with the increase in BGE concentration, and the trend is amplified at higher temperatures. When buffer solutions in the pH range of 1.5 to 12.7 were used as the BGE, streaming potential was shown to be sensitive to changes in pH but reaches a maximum at around 9.5. At pH < 3.3, no streaming potentials were observed. The pH of zero surface charge (streaming potential equals 0) changes with temperature, and is measured to be 3.3 to 3.1 when the temperature is changed from 15 to 35°C. Zeta potentials can be calculated from the measured streaming potential, conductivity, and the solution viscosity. Surface charge densities were calculated in this work using the zeta potentials obtained. We demonstrated that capillary surface conditions can significantly change the streaming potential, and with three different solutions, we showed that analyte‐dependent adsorption can be monitored and mitigated to improve the peak symmetry and migration times reproducibility.</description><subject>Adsorption</subject><subject>Buffer solutions</subject><subject>Capillary Electrophoresis</subject><subject>Capillary pressure</subject><subject>Charge density</subject><subject>Electrolytes</subject><subject>Fused silica</subject><subject>Mathematical analysis</subject><subject>Reproducibility</subject><subject>Reproducibility Improvement</subject><subject>Reproducibility of Results</subject><subject>Silicon Dioxide</subject><subject>Streaming Potential</subject><subject>Surface Characterization</subject><subject>Surface charge</subject><subject>Temperature</subject><issn>0173-0835</issn><issn>1522-2683</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLAzEURoMotla3LiXgxs3UvGeylFIfUKigrod0JrEp02RMZij115vS2oUbV5fLPffj4wBwjdEYI0TuddPGMUEkLVjkJ2CIOSEZEQU9BUOEc5qhgvIBuIhxhRBikrFzMKCMISEEH4L5ZKmCqjod7LfqrHfQG1ip1jaNCltondMBxj4YVWlYeVfbHRThxnZLGLug1dq6T9j6TrvOquYSnBnVRH11mCPw8Th9nzxns_nTy-RhllVUFCSrBSMML7RgTCukmMqNlJwbjIVm6SiMEAvOpRK4UIgVAtcKy8IYpoyopaEjcLfPbYP_6nXsyrWNlU6tnfZ9LAkXhGMpMUno7R905fvgUrtEFQRJxHKaqPGeqoKPMWhTtsGuk4MSo3KnutypLo-q08PNIbZfrHV9xH_dJoDtgY1t9PafuHI6e33LmST0B7LwigA</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Chenyakin, Yuri</creator><creator>Chen, David Da Yong</creator><general>Wiley Subscription Services, Inc</general><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>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-3669-6041</orcidid></search><sort><creationdate>202110</creationdate><title>Characterization of capillary inner surface conditions with streaming potential</title><author>Chenyakin, Yuri ; Chen, David Da Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3682-d64241be644ea0a4a7f9955f116e4d646f66b559a618a04861da198ff4af6d9f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adsorption</topic><topic>Buffer solutions</topic><topic>Capillary Electrophoresis</topic><topic>Capillary pressure</topic><topic>Charge density</topic><topic>Electrolytes</topic><topic>Fused silica</topic><topic>Mathematical analysis</topic><topic>Reproducibility</topic><topic>Reproducibility Improvement</topic><topic>Reproducibility of Results</topic><topic>Silicon Dioxide</topic><topic>Streaming Potential</topic><topic>Surface Characterization</topic><topic>Surface charge</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chenyakin, Yuri</creatorcontrib><creatorcontrib>Chen, David Da Yong</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Electrophoresis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chenyakin, Yuri</au><au>Chen, David Da Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of capillary inner surface conditions with streaming potential</atitle><jtitle>Electrophoresis</jtitle><addtitle>Electrophoresis</addtitle><date>2021-10</date><risdate>2021</risdate><volume>42</volume><issue>20</issue><spage>2094</spage><epage>2102</epage><pages>2094-2102</pages><issn>0173-0835</issn><eissn>1522-2683</eissn><abstract>Streaming potential is created when an electrolyte solution is forced to flow pass a charged surface. For an uncoated fused silica capillary, the streaming potential is measured between the inlet and outlet vials while applying a pressure across the capillary. The changes in streaming potential can be used to characterize the properties of the capillary inner surface. In this work, HCl, NaCl, and NaOH solutions ranging from 0.4 to 6 mM were used as the background electrolyte (BGE) at temperatures of 15 to 35 °C for the mesurements. The streaming potential decreases with the increase in BGE concentration, and the trend is amplified at higher temperatures. When buffer solutions in the pH range of 1.5 to 12.7 were used as the BGE, streaming potential was shown to be sensitive to changes in pH but reaches a maximum at around 9.5. At pH < 3.3, no streaming potentials were observed. The pH of zero surface charge (streaming potential equals 0) changes with temperature, and is measured to be 3.3 to 3.1 when the temperature is changed from 15 to 35°C. Zeta potentials can be calculated from the measured streaming potential, conductivity, and the solution viscosity. Surface charge densities were calculated in this work using the zeta potentials obtained. We demonstrated that capillary surface conditions can significantly change the streaming potential, and with three different solutions, we showed that analyte‐dependent adsorption can be monitored and mitigated to improve the peak symmetry and migration times reproducibility.</abstract><cop>Germany</cop><pub>Wiley Subscription Services, Inc</pub><pmid>34406665</pmid><doi>10.1002/elps.202100167</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-3669-6041</orcidid></addata></record> |
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| source | MEDLINE; Access via Wiley Online Library |
| subjects | Adsorption Buffer solutions Capillary Electrophoresis Capillary pressure Charge density Electrolytes Fused silica Mathematical analysis Reproducibility Reproducibility Improvement Reproducibility of Results Silicon Dioxide Streaming Potential Surface Characterization Surface charge Temperature |
| title | Characterization of capillary inner surface conditions with streaming potential |
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