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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c01983
|2 doi
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|a pubmed24n1213.xml
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|a (DE-627)NLM363988610
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|a (NLM)37906943
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Hoang, Khoi Nguyen L
|e verfasserin
|4 aut
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| 245 |
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|a Adsorption and Molecular Display of a Redox-Active Protein on Gold Nanoparticle Surfaces
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|c 2023
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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 15.11.2023
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|a Date Revised 22.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Engineered gold nanoparticles (AuNPs) have great potential in many applications due to their tunable optical properties, facile synthesis, and surface functionalization via thiol chemistry. When exposed to a biological environment, NPs are coated with a protein corona that can alter the NPs' biological identity but can also affect the proteins' structures and functions. Protein disulfide isomerase (PDI) is an abundant protein responsible for the disulfide formation and isomerization that contribute to overall cell redox homeostasis and signaling. Given that AuNPs are widely employed in nanomedicine and PDI plays a functional role in various diseases, the interactions between oxidized (oPDI) and reduced (rPDI) with 50 nm citrate-coated AuNPs (AuNPs) are examined in this study using various techniques. Upon incubation, PDI adsorbs to the AuNP surface, which leads to a reduction in its enzymatic activity despite limited changes in secondary structures. Partial enzymatic digestion followed by mass spectrometry analysis shows that orientation of PDI on the NP surface is dependent on both its oxidation state and the PDI:AuNP incubation ratios
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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|a Proteins
|2 NLM
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|a Protein Disulfide-Isomerases
|2 NLM
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|a EC 5.3.4.1
|2 NLM
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|a Murphy, Catherine 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 39(2023), 45 vom: 14. Nov., Seite 15974-15985
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:45
|g day:14
|g month:11
|g pages:15974-15985
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|u http://dx.doi.org/10.1021/acs.langmuir.3c01983
|3 Volltext
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