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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b04146
|2 doi
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|a pubmed25n0853.xml
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|a (NLM)26725503
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Brown, Paul
|e verfasserin
|4 aut
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| 245 |
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|a Magnetic Surfactants and Polymers with Gadolinium Counterions for Protein Separations
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 24.10.2016
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a New magnetic surfactants, (cationic hexadecyltrimethlyammonium bromotrichlorogadolinate (CTAG), decyltrimethylammonium bromotrichlorogadolinate (DTAG), and a magnetic polymer (poly(3-acrylamidopropyl)trimethylammonium tetrachlorogadolinate (APTAG)) have been synthesized by the simple mixing of the corresponding surfactants and polymer with gadolinium metal ions. A magnetic anionic surfactant, gadolinium tri(1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate) (Gd(AOT)3), was synthesized via metathesis. Both routes enable facile preparation of magnetically responsive magnetic polymers and surfactants without the need to rely on nanocomposites or organic frameworks with polyradicals. Electrical conductivity, surface tensiometry, SQUID magnetometry, and small-angle neutron scattering (SANS) demonstrate surface activity and self-aggregation behavior of the magnetic surfactants similar to their magnetically inert parent analogues but with added magnetic properties. The binding of the magnetic surfactants to proteins enables efficient separations under low-strength (0.33 T) magnetic fields in a new, nanoparticle-free approach to magnetophoretic protein separations and extractions. Importantly, the toxicity of the magnetic surfactants and polymers is, in some cases, lower than that of their halide analogues
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cations
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|a Cetrimonium Compounds
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|a Lipoprotein(a)
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|a Organometallic Compounds
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|a Serum Albumin
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|a Surface-Active Agents
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|a lipoprotein A-I
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|a Gadolinium
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|a Z7FF1XKL7A
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1 |
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|a Bromberg, Lev
|e verfasserin
|4 aut
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|a Rial-Hermida, M Isabel
|e verfasserin
|4 aut
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|a Wasbrough, Matthew
|e verfasserin
|4 aut
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|a Hatton, T Alan
|e verfasserin
|4 aut
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|a Alvarez-Lorenzo, Carmen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 32(2016), 3 vom: 26. Jan., Seite 699-705
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:32
|g year:2016
|g number:3
|g day:26
|g month:01
|g pages:699-705
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|u http://dx.doi.org/10.1021/acs.langmuir.5b04146
|3 Volltext
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