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Titolo:
New approaches for fabrication of microfluidic capillary electrophoresis devices with on-chip conductivity detection
Autore:
Guijt, RM; Baltussen, E; van der Steen, G; Schasfoort, RBM; Schlautmann, S; Billiet, HAH; Frank, J; van Dedem, GWK; van den Berg, A;
Indirizzi:
Delft Univ Technol, Kluyver Lab Biotechnol, Analyt Biotechnol Grp, NL-2628BC Delft, Netherlands Delft Univ Technol Delft Netherlands NL-2628 BC 628BC Delft, Netherlands Univ Twente, MESA Res Inst, NL-7500 AE Enschede, Netherlands Univ Twente Enschede Netherlands NL-7500 AE 500 AE Enschede, Netherlands
Titolo Testata:
ELECTROPHORESIS
fascicolo: 2, volume: 22, anno: 2001,
pagine: 235 - 241
SICI:
0173-0835(200101)22:2<235:NAFFOM>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTROCHEMICAL ARRAY DETECTION; ANALYSIS SYSTEMS; SEPARATIONS;
Keywords:
micro-total analysis systems; micromachining; capillary electrophoresis; conductivity detection;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Baltussen, E Delft Univ Technol, Kluyver Lab Biotechnol, Analyt BiotechnolGrp, Julianalaan 67, NL-2628 BC Delft, Netherlands Delft Univ Technol Julianalaan 67 Delft Netherlands NL-2628 BC
Citazione:
R.M. Guijt et al., "New approaches for fabrication of microfluidic capillary electrophoresis devices with on-chip conductivity detection", ELECTROPHOR, 22(2), 2001, pp. 235-241

Abstract

In practice, microfluidic systems are based on the principles of capillaryelectrophoresis (CE), for a large part due to the simplicity of electroosmotic pumping. in this contribution, a universal conductivity detector is presented that allows detection of charged species down to the muM level. Additionally, powderblasting is presented as a novel technique for direct etching of microfluidic networks. This method allows creation of features down to 50 mum with a total processing time (design to device) of less than one day. The performance of powderblasted devices with integrated conductivity detection is illustrated by the separation of lithium, sodium, and potassium ions and that of fumaric, malic, and citric acid.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 19:42:49