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Article: Interface of chip-based capillary electrophoresis-inductively coupled plasma-atomic emission spectrometry (CE-ICP-AES)

TitleInterface of chip-based capillary electrophoresis-inductively coupled plasma-atomic emission spectrometry (CE-ICP-AES)
Authors
Issue Date2006
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/jaas
Citation
Journal Of Analytical Atomic Spectrometry, 2006, v. 21 n. 2, p. 134-140 How to Cite?
AbstractAn interface of chip-based capillary electrophoresis (CE)-inductively coupled plasma-atomic emission spectrometry (ICP-AES) that is based on cross-flow nebulization has been developed. A polydimethylsiloxane (PDMS) CE-chip with conventional cross channel layout was used. A stainless steel tube was placed orthogonal to the exit of the CE separation channel for cross flow nebulization. A supplementary flow of buffer solution at the channel exit was used to improve nebulization efficiency. Two capillaries were inserted into the CE chip near the inlet of the separation channel for sample and buffer solution injection. Syringe pumps were used to manipulate the flow rate and flow direction of the sample, buffer, and supplementary buffer solution. Peak broadening due to the shape (bulb and tube-shaped) and size of the spray chambers was studied. The smaller tube-shaped spray chamber was used because of smaller peak broadening effect due to aerosol transport. The nebulization and transport efficiency of the CE-ICP interface was approximately 10%. Ba 2+ and Mg 2+ ions were eluted from the CE-chip within 30 s. Resolution of the Ba 2+ and Mg 2+ peaks was 0.7 using the chip-based CE-ICP-AES system. © The Royal Society of Chemistry 2006.
Persistent Identifierhttp://hdl.handle.net/10722/69082
ISSN
2015 Impact Factor: 3.379
2015 SCImago Journal Rankings: 1.022
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHui, AYNen_HK
dc.contributor.authorWang, Gen_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorChan, WTen_HK
dc.date.accessioned2010-09-06T06:10:24Z-
dc.date.available2010-09-06T06:10:24Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal Of Analytical Atomic Spectrometry, 2006, v. 21 n. 2, p. 134-140en_HK
dc.identifier.issn0267-9477en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69082-
dc.description.abstractAn interface of chip-based capillary electrophoresis (CE)-inductively coupled plasma-atomic emission spectrometry (ICP-AES) that is based on cross-flow nebulization has been developed. A polydimethylsiloxane (PDMS) CE-chip with conventional cross channel layout was used. A stainless steel tube was placed orthogonal to the exit of the CE separation channel for cross flow nebulization. A supplementary flow of buffer solution at the channel exit was used to improve nebulization efficiency. Two capillaries were inserted into the CE chip near the inlet of the separation channel for sample and buffer solution injection. Syringe pumps were used to manipulate the flow rate and flow direction of the sample, buffer, and supplementary buffer solution. Peak broadening due to the shape (bulb and tube-shaped) and size of the spray chambers was studied. The smaller tube-shaped spray chamber was used because of smaller peak broadening effect due to aerosol transport. The nebulization and transport efficiency of the CE-ICP interface was approximately 10%. Ba 2+ and Mg 2+ ions were eluted from the CE-chip within 30 s. Resolution of the Ba 2+ and Mg 2+ peaks was 0.7 using the chip-based CE-ICP-AES system. © The Royal Society of Chemistry 2006.en_HK
dc.languageengen_HK
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/jaasen_HK
dc.relation.ispartofJournal of Analytical Atomic Spectrometryen_HK
dc.titleInterface of chip-based capillary electrophoresis-inductively coupled plasma-atomic emission spectrometry (CE-ICP-AES)en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0267-9477&volume=21&spage=134&epage=140&date=2006&atitle=Interface+of+chip-based+capillary+electrophoresis-inductively+coupled+plasma-atomic+emission+spectrometry+(CE-ICP-AES)en_HK
dc.identifier.emailChan, WT:wtchan@hku.hken_HK
dc.identifier.authorityChan, WT=rp00668en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1039/b509080fen_HK
dc.identifier.scopuseid_2-s2.0-33645508500en_HK
dc.identifier.hkuros123723en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33645508500&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue2en_HK
dc.identifier.spage134en_HK
dc.identifier.epage140en_HK
dc.identifier.eissn1364-5544-
dc.identifier.isiWOS:000235453200017-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHui, AYN=36110977400en_HK
dc.identifier.scopusauthoridWang, G=35202228100en_HK
dc.identifier.scopusauthoridLin, B=7403508047en_HK
dc.identifier.scopusauthoridChan, WT=7403918827en_HK

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