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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b01647
|2 doi
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|a pubmed24n0836.xml
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|a (NLM)26181078
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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 Du, Xiaosong
|e verfasserin
|4 aut
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| 245 |
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|a Nonfreezing Water Structuration in Heteroprotein Coacervates
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|c 2015
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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
|b cr
|2 rdacarrier
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|a Date Completed 26.04.2016
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|a Date Revised 16.11.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Surface-bound water in protein solutions has been identified with a reduction in its freezing point. We studied the presence of such nonfreezing water (NFW) in various protein-polyelectrolyte, micelle-polyelectrolyte, and protein-protein (heteroprotein) coacervates, along with appropriate concentrated solutions of macromolecules alone, finding up to 15% w/w NFW for the heteroprotein coacervate of lactoferrin (LF) and β-lactoglobulin (BLG). The level of NFW is always higher in coacervates than in the control (single macromolecule) systems, particularly for protein-containing coacervates: a coacervate of bovine serum albumin (BSA) and poly(dimethyldiallylammonium chloride) (PDADMAC) showed a ratio of NFW/protein twice that of BSA alone (0.6 vs 0.3), with a similarly high ratio for LF-BLG coacervate. These results are attributed to the maximization of water-protein contacts, structural features that reflect the mode of sample assembly, as they are not seen in a noncoacervated LF-BLG solution with identical concentrations of all species
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Electrolytes
|2 NLM
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|a Lactoglobulins
|2 NLM
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|a Micelles
|2 NLM
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|a Polymers
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Serum Albumin, Bovine
|2 NLM
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|a 27432CM55Q
|2 NLM
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|a Lactoferrin
|2 NLM
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| 650 |
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|a EC 3.4.21.-
|2 NLM
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| 700 |
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|a Seeman, Daniel
|e verfasserin
|4 aut
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|a Dubin, Paul L
|e verfasserin
|4 aut
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| 700 |
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|a Hoagland, David A
|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 1992
|g 31(2015), 31 vom: 11. Aug., Seite 8661-6
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:31
|g year:2015
|g number:31
|g day:11
|g month:08
|g pages:8661-6
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|u http://dx.doi.org/10.1021/acs.langmuir.5b01647
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