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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c00003
|2 doi
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|a pubmed25n1022.xml
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|a (DE-627)NLM306860880
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|a (NLM)32093479
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Furong
|e verfasserin
|4 aut
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|a Illustrating Interfacial Interaction between Honey Bee Venom Phospholipase A2 and Supported Negatively Charged Lipids with Sum Frequency Generation and Laser Scanning Confocal Microscopy
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.03.2021
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|a Date Revised 15.03.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Phospholipase A2 is an important enzyme species which can widely be found in animals, plants, bacteria, and so on. A large number of studies have shown that phospholipase A2 is highly catalytic toward the lipids. Here, sum frequency generation (SFG) vibrational spectroscopy and laser scanning confocal microscopy (LSCM) were applied to study the interaction between honey bee venom phospholipase A2 (bvPLA2) and the negatively charged DPPG bilayer. In both cases without and with the calcium ions (Ca2+), the bvPLA2 molecules were adsorbed onto the outer leaflet surface with the orientational order, and the adsorbed bvPLA2 molecules damaged the order of the packed outer leaflet. In comparison to the case without Ca2+, the addition of Ca2+ can accelerate the attaching process of bvPLA2 to the outer leaflet surface and decelerate the process of damaging the outer leaflet order. The experimental result also confirmed, with the help of the Ca2+, the DPPG molecules in the outer leaflet were hydrolyzed, with both hydrolysates, that is, lysophospholipids and fatty acids, remaining at the interface, showing a distinct difference from previous published literatures regarding neutral lipids [Phys. Chem. Chem. Phys. 2018, 20, 63-67] and PLA1 [Langmuir 2019, 35, 12831-12838]
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Bee Venoms
|2 NLM
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|a Insect Proteins
|2 NLM
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|a Lipid Bilayers
|2 NLM
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|a Phosphatidylglycerols
|2 NLM
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|a Phospholipases A2
|2 NLM
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|a EC 3.1.1.4
|2 NLM
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|a Calcium
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|a SY7Q814VUP
|2 NLM
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|a 1,2-dipalmitoylphosphatidylglycerol
|2 NLM
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| 650 |
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|a VA9U6BR3SB
|2 NLM
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| 700 |
1 |
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|a Li, Xu
|e verfasserin
|4 aut
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| 700 |
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|a Ma, Yonghao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Chu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Pengcheng
|e verfasserin
|4 aut
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|a Wang, Feng
|e verfasserin
|4 aut
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|a Lu, Xiaolin
|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 1985
|g 36(2020), 11 vom: 24. März, Seite 2946-2953
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:36
|g year:2020
|g number:11
|g day:24
|g month:03
|g pages:2946-2953
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|u http://dx.doi.org/10.1021/acs.langmuir.0c00003
|3 Volltext
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