Vortex configuration flow cell based on low temperature cofired ceramics as a compact chemiluminescence microsystern

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dc.contributor.author Ibáñez García, Núria
dc.contributor.author Puyol, Mar
dc.contributor.author Azevedo, Carlos M.
dc.contributor.author Martínez Cisneros, Cynthia Susana
dc.contributor.author Villuendas, Francisco
dc.contributor.author Góngora Rubio, M.R.
dc.contributor.author Seabra, A.C.
dc.contributor.author Alonso, Julián
dc.date.accessioned 2020-10-30T10:03:55Z
dc.date.available 2020-10-30T10:03:55Z
dc.date.issued 2008-06-12
dc.identifier.bibliographicCitation Analytical Chemistry, (2008), 80(14), pp.: 5320–5324.
dc.identifier.issn 0003-2700
dc.identifier.uri http://hdl.handle.net/10016/31324
dc.description.abstract The integration of optical detection methods in continuous flow microsystems can highly extend their range of application, as long as some negative effects derived from their scaling down can be minimized. Downsizing affects to a greater extent the sensitivity of systems based on absorbance measurements than the sensitivity of those based on emission ones. However, a careful design of the instrumental setup is needed to maintain the analytical features in both cases. In this work, we present the construction and evaluation of a simple miniaturized optical system, which integrates a novel flow cell configuration to carry out chemiluminescence (CL) measurements using a simple photodiode. It consists of a micromixer based on a vortex structure, which has been constructed by means of the low-temperature cofired ceramics (LTCC) technology. This mixer not only efficiently promotes the CL reaction due to the generated high turbulence but also allows the detection to be carried out in the same area, avoiding intensity signal losses. As a demonstration, a flow injection system has been designed and optimized for the detection of cobalt(II) in water samples. It shows a linear response between 2 and 20 muM with a correlation of r > 0.993, a limit of detection of 1.1 muM, a repeatability of RSD = 12.4 %, and an analysis time of 17 s. These results demonstrate the suitability of the proposal to the determination of compounds involved in CL reactions by means of an easily constructed versatile device based on low-cost instrumentation.
dc.description.sponsorship This work was supported by the Spanish "Comisión Interministerial de Ciencia y Tecnología" through Projects CICYT-TEC2006-13907-C04/MIC and PTR1995-0770-OP and Project MEC (PHB2004-0105-PC)-CAPES.
dc.format.extent 5
dc.language.iso eng
dc.publisher American Chemical Society
dc.rights © 2008 American Chemical Society.
dc.subject.other Reagents
dc.subject.other Solution chemistry
dc.subject.other Optimization
dc.subject.other Cobalt
dc.subject.other Manufacturing
dc.title Vortex configuration flow cell based on low temperature cofired ceramics as a compact chemiluminescence microsystern
dc.type article
dc.description.status Publicado
dc.subject.eciencia Materiales
dc.identifier.doi https://doi.org/10.1021/ac800012q
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. CICYT-TEC2006-13907-C04/MIC
dc.relation.projectID Gobierno de España. PTR1995-0770-OP
dc.relation.projectID Gobierno de España. (PHB2004-0105-PC)-CAPES
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 5320
dc.identifier.publicationissue 14
dc.identifier.publicationlastpage 5324
dc.identifier.publicationtitle Analytical Chemistry
dc.identifier.publicationvolume 80
dc.identifier.uxxi AR/0000026042
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