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|a 10.1021/acs.langmuir.1c01458
|2 doi
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|a pubmed24n1095.xml
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|a (DE-627)NLM32873344X
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|a (NLM)34328747
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a De Mel, Judith U
|e verfasserin
|4 aut
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| 245 |
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|a Acetaminophen Interactions with Phospholipid Vesicles Induced Changes in Morphology and Lipid Dynamics
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.08.2021
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|a Date Revised 15.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Acetaminophen (APAP) or paracetamol, despite its wide and common use for pain and fever symptoms, shows a variety of side effects, toxic effects, and overdose effects. The most common form of toxic effects of APAP is in the liver where phosphatidylcholine is the major component of the cell membrane with additional associated functionalities. Although this is the case, the effects of APAP on pure phospholipid membranes have been largely ignored. Here, we used 1,2-di-(octadecenoyl)-sn-glycero-3-phosphocholine (DOPC), a commonly found phospholipid in mammalian cell membranes, to synthesize large unilamellar vesicles to investigate how the incorporation of APAP changes the pure lipid vesicle structure, morphology, and fluidity at different concentrations. We used a combination of dynamic light scattering, small-angle neutron and X-ray scattering (SANS, SAXS), and cryo-TEM for structural characterization, and neutron spin-echo (NSE) spectroscopy to investigate the dynamics. We showed that the incorporation of APAP in the lipid bilayer significantly impacts the spherical phospholipid self-assembly in terms of its morphology and influences the lipid content in the bilayer, causing a decrease in bending rigidity. We observe a decrease in the number of lipids per vesicle by almost 28% (0.06 wt % APAP) and 19% (0.12 wt % APAP) compared to the pure DOPC (0 wt % APAP). Our results showed that the incorporation of APAP reduces the membrane rigidity by almost 50% and changes the spherical unilamellar vesicles into much more irregularly shaped vesicles. Although the bilayer structure did not show much change when observed by SAXS, NSE and cryo-TEM results showed the lipid dynamics change with the addition of APAP in the bilayer, which causes the overall decreased membrane rigidity. A strong effect on the lipid tail motion showed that the space explored by the lipid tails increases by a factor of 1.45 (for 0.06 wt % APAP) and 1.75 (for 0.12 wt % APAP) compared to DOPC without the drug
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Lipid Bilayers
|2 NLM
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|a Phosphatidylcholines
|2 NLM
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|a Phospholipids
|2 NLM
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| 650 |
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|a Acetaminophen
|2 NLM
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| 650 |
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|a 362O9ITL9D
|2 NLM
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| 700 |
1 |
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|a Gupta, Sudipta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Harmon, Sydney
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stingaciu, Laura
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roth, Eric W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Siebenbuerger, Miriam
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bleuel, Markus
|e verfasserin
|4 aut
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| 700 |
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|a Schneider, Gerald J
|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 37(2021), 31 vom: 10. Aug., Seite 9560-9570
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:37
|g year:2021
|g number:31
|g day:10
|g month:08
|g pages:9560-9570
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|u http://dx.doi.org/10.1021/acs.langmuir.1c01458
|3 Volltext
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