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Grafting of silica ...
Grafting of silica with sulfobetaine polymers via aqueous reversible addition fragmentation chain transfer polymerization and its use as a stationary phase in HILIC
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- Wikberg, Erika (författare)
- Umeå universitet,Kemiska institutionen
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- Verhage, Jeroen J (författare)
- Umeå universitet,Kemiska institutionen
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- Viklund, Camilla (författare)
- Merck SeQuant AB, Umeå, Sweden
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- Irgum, Knut (författare)
- Umeå universitet,Kemiska institutionen
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(creator_code:org_t)
- Weinheim : WILEY-VCH Verlag GmbH & Co. KGaA, 2009
- 2009
- Engelska.
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Ingår i: Journal of Separation Science. - Weinheim : WILEY-VCH Verlag GmbH & Co. KGaA. - 1615-9306 .- 1615-9314. ; 32:12, s. 2008-2016
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Porous silica particles of 3 mum diameter and 100 A nominal pore size were first activated for vinylic polymerization by functionalization with 3-methacryloyloxypropyl trimethoxysilane (MAPTMS) and thereafter dressed with zwitterionic grafts of the sulfoalkylbetaine type in the "grafting through" fashion by polymerizing 3-(2-(N-methacryloyloxyethyl)-N,N-dimethylammonio)propane sulfonate (SPE), using either free radical polymerization or controlled reversible addition fragmentation chain transfer polymerization (RAFT). Particles polymerized using RAFT had a lower overall coating which seemed to be more evenly distributed in the pore volume. Both approaches resulted in columns with similar separation properties in HILIC mode.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- Graft polymerization
- HILIC
- HPLC
- Porous silica
- RAFT
- Stationary phase
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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