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Microfluidic-Derive...
Microfluidic-Derived Detection of Protein-Facilitated Copper Flux Across Lipid Membranes
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- Górecki, Kamil (författare)
- Lund University,Lunds universitet,Membranproteinstrukturbiologi,Forskargrupper vid Lunds universitet,Membrane Protein Structural Biology,Lund University Research Groups
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- Hansen, Jesper S. (författare)
- Lund University,Lunds universitet,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stem Cell Center,Division of stem cell research,Department of Laboratory Medicine,Faculty of Medicine
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- Li, Ping (författare)
- Lund University,Lunds universitet,Membranproteinstrukturbiologi,Forskargrupper vid Lunds universitet,Membrane Protein Structural Biology,Lund University Research Groups
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- Nayeri, Niloofar (författare)
- Lund University,Lunds universitet,Membranproteinstrukturbiologi,Forskargrupper vid Lunds universitet,Membrane Protein Structural Biology,Lund University Research Groups
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- Lindkvist-Petersson, Karin (författare)
- Lund University,Lunds universitet,Medicinsk strukturbiologi,Forskargrupper vid Lunds universitet,Medical Structural Biology,Lund University Research Groups
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- Gourdon, Pontus (författare)
- Lund University,Lunds universitet,Membranproteinstrukturbiologi,Forskargrupper vid Lunds universitet,Membrane Protein Structural Biology,Lund University Research Groups,University of Copenhagen
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(creator_code:org_t)
- 2022-08-15
- 2022
- Engelska 7 s.
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Ingår i: Analytical Chemistry. - : American Chemical Society (ACS). - 0003-2700 .- 1520-6882. ; 94:34, s. 11831-11837
- Relaterad länk:
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http://dx.doi.org/10... (free)
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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
- Measurement of protein-facilitated copper flux across biological membranes is a considerable challenge. Here, we demonstrate a straightforward microfluidic-derived approach for visualization and measurement of membranous Cu flux. Giant unilamellar vesicles, reconstituted with the membrane protein of interest, are prepared, surface-immobilized, and assessed using a novel quencher-sensor reporter system for detection of copper. With the aid of a syringe pump, the external buffer is exchanged, enabling consistent and precise exchange of solutes, without causing vesicle rupture or uneven local metal concentrations brought about by rapid mixing. This approach bypasses common issues encountered when studying heavy metal-ion flux, thereby providing a new platform for in vitro studies of metal homeostasis aspects that are critical for all cells, health, and disease.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biofysik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biophysics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Medical Biotechnology (hsv//eng)
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- ref (ämneskategori)
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