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Aqueous two-phase a...
Aqueous two-phase affinity partitioning of biotinylated liposomes using neutral avidin as affinity ligand
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- Ekblad, Lars (författare)
- Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Kernbichler, Judith (författare)
- Lund University
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- Jergil, Bengt (författare)
- Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 1998
- 1998
- Engelska.
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Ingår i: Journal of Chromatography A. - 0021-9673. ; 815:2, s. 189-195
- 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
- Biotinylated small unilamellar liposomes were affinity partitioned in an aqueous poly(ethylene glycol)-dextran two-phase system using avidin coupled to dextran as affinity ligand. In the absence of affinity ligand more than 90% of the liposomes partitioned in the poly(ethylene glycol)-rich top phase, whereas in its presence more than 95% partitioned in the dextran-rich bottom phase. For this redistribution to occur 10 mM and above of lithium sulphate, or other appropriate salts, had to be added to the two-phase system. Without added salt the liposomes with complexed avidin-dextran instead partitioned in the top phase. An extended mixing time for the system was required for maximum redistribution. Less than two biotin residues per liposome, coupled via a C6 spacer arm, was required to redistribute the liposomes to the bottom phase.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Nyckelord
- Phospholipids
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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