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DE-627 |
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20231223074838.0 |
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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0523.xml
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|a (DE-627)NLM156775204
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|a (NLM)16042482
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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 Albertorio, Fernando
|e verfasserin
|4 aut
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| 245 |
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|a Fluid and air-stable lipopolymer membranes for biosensor applications
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|c 2005
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| 336 |
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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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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 22.06.2006
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|a Date Revised 01.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a The behavior of poly(ethylene glycol) (PEG) conjugated lipids was investigated in planar supported egg phosphatidylcholine bilayers as a function of lipopolymer density, chain length of the PEG moiety, and type of alkyl chains on the PEG lipid. Fluorescence recovery after photobleaching measurements verified that dye-labeled lipids in the membrane as well as the lipopolymer itself maintained a substantial degree of fluidity under most conditions that were investigated. PEG densities exceeding the onset of the mushroom-to-brush phase transition were found to confer air stability to the supported membrane. On the other hand, substantial damage or complete delamination of the lipid bilayer was observed at lower polymer densities. The presence of PEG in the membrane did not substantially hinder the binding of streptavidin to biotinylated lipids present in the bilayer. Furthermore, above the onset of the transition into the brush phase, the protein binding properties of these membranes were found to be very resilient upon removal of the system from water, rigorous drying, and rehydration. These results indicate that supported phospholipid bilayers containing lipopolymers show promise as rugged sensor platforms for ligand-receptor binding
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| 650 |
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Research Support, U.S. Gov't, P.H.S.
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| 650 |
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7 |
|a Ligands
|2 NLM
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| 650 |
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|a Lipid Bilayers
|2 NLM
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|a Polymers
|2 NLM
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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|a Polyethylene Glycols
|2 NLM
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| 650 |
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|a 3WJQ0SDW1A
|2 NLM
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| 650 |
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|a Streptavidin
|2 NLM
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| 650 |
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|a 9013-20-1
|2 NLM
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| 700 |
1 |
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|a Diaz, Arnaldo J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Tinglu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chapa, Vanessa A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kataoka, Sho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Castellana, Edward T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cremer, Paul S
|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 21(2005), 16 vom: 02. Aug., Seite 7476-82
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|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:21
|g year:2005
|g number:16
|g day:02
|g month:08
|g pages:7476-82
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