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231223s2006 xx ||||| 00| ||eng c |
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|a (NLM)16584212
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Rossetti, Fernanda F
|e verfasserin
|4 aut
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| 245 |
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|a Asymmetric distribution of phosphatidyl serine in supported phospholipid bilayers on titanium dioxide
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 09.07.2007
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|a Date Revised 16.11.2017
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|a published: Print
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|a Citation Status MEDLINE
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|a Supported phospholipid bilayers (SPBs) are useful for studying cell adhesion, cell-cell interactions, protein-lipid interactions, protein crystallization, and applications in biosensor and biomaterial areas. We have recently reported that SPBs could be formed on titanium dioxide, an important biomaterial, from vesicles containing anionic phospholipid phosphatidyl serine (PS) in the presence of calcium. Here, we show that the mobility of the fluorescently labeled PS present in these bilayers is severely restricted, whereas that of the zwitterionic phosphatidyl choline is not affected. Removal of calcium alleviated the restriction on the mobility of PS. Both components were found to be mobile in SPBs of identical compositions prepared in the presence of calcium on silica. To explain these results, we propose that, on TiO2, PS is trapped in the proximal leaflet of the bilayers. This proposal is supported by the results of protein adsorption experiments carried out on bilayers containing various amounts of PS prepared on silica and titania
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lipid Bilayers
|2 NLM
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|a Phosphatidylcholines
|2 NLM
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|a Phosphatidylserines
|2 NLM
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|a Phospholipids
|2 NLM
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|a titanium dioxide
|2 NLM
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|a 15FIX9V2JP
|2 NLM
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|a Silicon Dioxide
|2 NLM
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|a 7631-86-9
|2 NLM
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|a Titanium
|2 NLM
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|a D1JT611TNE
|2 NLM
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| 650 |
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|a 1,2-oleoylphosphatidylcholine
|2 NLM
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| 650 |
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|a EDS2L3ODLV
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Textor, Marcus
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Reviakine, Ilya
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 22(2006), 8 vom: 11. Apr., Seite 3467-73
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:22
|g year:2006
|g number:8
|g day:11
|g month:04
|g pages:3467-73
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