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Autonomous protein ...
Autonomous protein sample processing on-chip using solid-phase microextraction, capillary force pumping, and microdispensing
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- Wallman, Lars (författare)
- Lund University,Lunds universitet,Avdelningen för Biomedicinsk teknik,Institutionen för biomedicinsk teknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Biomedical Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Ekström, Simon (författare)
- Lund University,Lunds universitet,Avdelningen för Biomedicinsk teknik,Institutionen för biomedicinsk teknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Biomedical Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Marko-Varga, György (författare)
- Lund University,Lunds universitet,Avdelningen för Biomedicinsk teknik,Institutionen för biomedicinsk teknik,Institutioner vid LTH,Lunds Tekniska Högskola,Centrum för analys och syntes,Kemiska institutionen,Department of Biomedical Engineering,Departments at LTH,Faculty of Engineering, LTH,Centre for Analysis and Synthesis,Department of Chemistry,Faculty of Engineering, LTH
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- Laurell, Thomas (författare)
- Lund University,Lunds universitet,Avdelningen för Biomedicinsk teknik,Institutionen för biomedicinsk teknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Biomedical Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Nilsson, Johan (författare)
- Lund University,Lunds universitet,Avdelningen för Biomedicinsk teknik,Institutionen för biomedicinsk teknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Biomedical Engineering,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2004-11-26
- 2004
- Engelska.
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Ingår i: Electrophoresis. - : Wiley. - 0173-0835. ; 25:21-22, s. 3778-3787
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A capillary force filling microsystem consisting of a chip-integrated solid-phase microextraction (SMEC) array and a microdispenser for sample purification and trace enrichment of peptides is described. The microextraction array was loaded with solid-phase media (50 mum Poros R2 beads) for purification and enrichment of proteomic samples. Samples bound to the SMEC were eluted in a volume of 200 nL. A piezoelectric microdispenser was docked to the array and the samples bound to the SMEC were eluted in a volume of 200 nL using capillary forces. The purified and enriched samples were dispensed onto the matrix-assisted laser desorption/ionization (MALDI) target, providing quality data from samples in the picomolar range. The nanoproteomic platform was compared to corresponding commercial preparation protocols, showing higher mass spectrometry (MS) signal intensities for peptides generated from an alpha-casein digest. The platform was also elvaluated with regards to two-dimensional (2-D) gel-derived protein digests from both fibroblast and epithelial target cells.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- microextraction
- miniaturization
- mass spectrometry
- solid-phase
- proteomics
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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