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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed25n0580.xml
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|a (DE-627)NLM173929419
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|a (NLM)17887778
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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 |
1 |
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|a Brown, Angela C
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Measuring raft size as a function of membrane composition in PC-based systems
|b Part 1--binary systems
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| 264 |
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1 |
|c 2007
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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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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|a Date Completed 20.12.2007
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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 This work applied two steady-state fluorescence techniques to detect nanoscopic membrane domains in a binary dimyristoylphosphocholine (DMPC)-cholesterol system and a ternary dioleoylphosphocholine (DOPC)-dipalmitoylphosphocholine (DPPC)-cholesterol system. A polarity-induced spectral shift in the emission spectra of 1-myristoyl-2-[12-[(5-dimethylamino-1-naphthalenesulfonyl)amino]dodecanoyl]-sn-glycero-3-phosphocholine (DAN-PC) in combination with a Förster resonance energy transfer (FRET) assay agreed with the phase diagrams that have been published for these systems and were observed to be useful tools in the detection of membrane heterogeneities. The DAN-PC/dehydroergosterol (DHE) FRET pair was found to be best suited for use with these steady-state techniques because of their differential partitioning between phases, although a high acceptor concentration was needed to obtain accurate measurements. In the binary system, this high probe concentration was found to be perturbing, but in more representative ternary systems, the high probe concentration no longer disrupted the phase behavior of the system. This FRET pair allowed for the calculation of nanometer-scale domain sizes in model ternary systems, using the two steady-state fluorescence techniques along with a clear and straightforward model
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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, U.S. Gov't, Non-P.H.S.
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| 650 |
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7 |
|a Fluorescent Dyes
|2 NLM
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| 650 |
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|a Lecithins
|2 NLM
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| 650 |
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|a Membranes, Artificial
|2 NLM
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|a Phosphatidylcholines
|2 NLM
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| 650 |
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|a 1-O-(N-dansyl-11-amino-1-undecyl)-2-O-decanoylphosphatidylcholine
|2 NLM
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| 650 |
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7 |
|a 118790-13-9
|2 NLM
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| 650 |
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|a 1,2-Dipalmitoylphosphatidylcholine
|2 NLM
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| 650 |
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7 |
|a 2644-64-6
|2 NLM
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| 650 |
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|a Cholesterol
|2 NLM
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| 650 |
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7 |
|a 97C5T2UQ7J
|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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7 |
|a EDS2L3ODLV
|2 NLM
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| 650 |
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7 |
|a Dimyristoylphosphatidylcholine
|2 NLM
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| 650 |
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|a U86ZGC74V5
|2 NLM
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| 700 |
1 |
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|a Towles, Kevin B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wrenn, Steven P
|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 1985
|g 23(2007), 22 vom: 23. Okt., Seite 11180-7
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:23
|g year:2007
|g number:22
|g day:23
|g month:10
|g pages:11180-7
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_22
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|a GBV_ILN_350
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|a GBV_ILN_721
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|a AR
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|d 23
|j 2007
|e 22
|b 23
|c 10
|h 11180-7
|