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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b00791
|2 doi
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|a pubmed24n0904.xml
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|a (NLM)28457129
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Zhao, Yani
|e verfasserin
|4 aut
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| 245 |
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|a Structural Changes in Barley Protein LTP1 Isoforms at Air-Water Interfaces
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.01.2019
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|a Date Revised 25.01.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a We use a coarse-grained model to study the conformational changes in two barley proteins, LTP1 and its ligand adduct isoform LTP1b, that result from their adsorption to the air-water interface. The model introduces the interface through hydropathy indices. We justify the model by all-atom simulations. The choice of the proteins is motivated by making attempts to understand formation and stability of foam in beer. We demonstrate that both proteins flatten out at the interface and can make a continuous stabilizing and denser film. We show that the degree of the flattening depends on the protein (the layers of LTP1b should be denser than those of LTP1) and on the presence of glycation. It also depends on the number (≤4) of the disulfide bonds in the proteins. The geometry of the proteins is sensitive to the specificity of the absent bonds. We provide estimates of the volume of cavities of the proteins when away from the interface
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Carrier Proteins
|2 NLM
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|a Gases
|2 NLM
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|a Protein Isoforms
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Cieplak, Marek
|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 33(2017), 19 vom: 16. Mai, Seite 4769-4780
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|x 1520-5827
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| 773 |
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|g volume:33
|g year:2017
|g number:19
|g day:16
|g month:05
|g pages:4769-4780
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|u http://dx.doi.org/10.1021/acs.langmuir.7b00791
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