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20231223112113.0 |
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231223s2006 xx ||||| 00| ||eng c |
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|a (NLM)17154621
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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 Tsogas, Ioannis
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Modeling cell membrane transport
|b interaction of guanidinylated poly(propylene imine) dendrimers with a liposomal membrane consisting of phosphate-based lipids
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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 26.01.2007
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|a Date Revised 12.12.2006
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|a published: Print
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|a Citation Status MEDLINE
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|a Mixed anionic liposomes consisting of dihexadecyl phosphate, phosphatidylcholine, and cholesterol were employed as model systems for assessing the ability of a series of functionalized dendrimers, bearing a varying number of guanidinium groups at their surface, to translocate across the liposomal bilayers. At low guanidinium/phosphate molar ratios or when weakly guanidinylated dendrimeric derivatives were employed, the dendrimeric derivative acted as a kind of "molecular glue" leading to a simple adhesion of the liposomes. Liposomal fusion occurred to a certain extent at high guanidinium/phosphate molar ratios or when highly guanidinylated dendrimeric derivatives were employed. Furthermore, translocation of these dendrimeric derivatives to the liposomal core was observed for low to medium guanidinylation and at low guanidinium/phosphate molar ratios which was, however, enhanced when the lipid bilayer was in its fluid liquid-crystalline phase. Thus, an optimum balance is required between the binding strength of guanidinium with the phosphate groups and the degree of hydrophilicity of the guanidinylated dendrimers for the transport of the latter to the liposomal core to occur
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Dendrimers
|2 NLM
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|a Lipid Bilayers
|2 NLM
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|a Liposomes
|2 NLM
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|a Phospholipids
|2 NLM
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|a Polypropylenes
|2 NLM
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|a poly(propyleneimine)
|2 NLM
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|a Tsiourvas, Dimitris
|e verfasserin
|4 aut
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|a Nounesis, George
|e verfasserin
|4 aut
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|a Paleos, Constantinos M
|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 22(2006), 26 vom: 19. Dez., Seite 11322-8
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:22
|g year:2006
|g number:26
|g day:19
|g month:12
|g pages:11322-8
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