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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202202287
|2 doi
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|a pubmed24n1143.xml
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|a (DE-627)NLM343106868
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|a (NLM)35790037
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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 Wang, Chen
|e verfasserin
|4 aut
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|a Ultrafine Silver Nanoparticle Encapsulated Porous Molecular Traps for Discriminative Photoelectrochemical Detection of Mustard Gas Simulants by Synergistic Size-Exclusion and Site-Specific Recognition
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|c 2022
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|a Text
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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 08.09.2022
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|a Date Revised 08.09.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a The rapid, discriminative, and portable detection of highly toxic chemical warfare agents is extremely important for response to public security emergencies but remains a challenge. One plausible solution involves the integration of porous molecular traps onto a photoelectrochemical (PEC) sensor. Here, a fast and facile protocol is developed to fabricate sub-1 nm AgNPs encapsulated hydrogen-bonded organic framework (HOF) nanocomposite materials through an in situ photoreduction and subsequent encapsulation process. Compared to traditional semiconductors and selected metal-organic frameworks (MOF) materials, these AgNPsHOFs show significantly enhanced photocurrent. Most importantly, the portable PEC device based on AgNPs@HOF-101 can selectively recognize 13 different mustard gas simulants, including 2-chloroethyl ethyl sulfide (CEES), based on synergistic size-exclusion and specific recognition. The extremely low detection limit for CEES (15.8 nmol L-1 ), reusability (at least 30 cycles), and long-term working stability (at least 30 d) of the portable PEC device warrant its use as a chemical warfare agents (CWAs) sensor in practical field settings. More broadly, this work indicates that integrating porous molecular traps onto PEC sensors offers a promising strategy to further develop portable devices for CWAs detection with both ultrahigh sensitivity and selectivity
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|a Journal Article
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|a chemical warfare agents
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|a hydrogen-bonded organic frameworks
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|a in situ photoreduction
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|a nanoparticle encapsulation
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|a photoelectrochemical sensing
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|a size selectivity
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|a Chemical Warfare Agents
|2 NLM
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|a Silver
|2 NLM
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|a 3M4G523W1G
|2 NLM
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| 650 |
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|a Mustard Gas
|2 NLM
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| 650 |
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|a T8KEC9FH9P
|2 NLM
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| 700 |
1 |
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|a Wang, Yao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kirlikovali, Kent O
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Kaikai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yaming
|e verfasserin
|4 aut
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1 |
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|a Li, Peng
|e verfasserin
|4 aut
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|a Farha, Omar K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 35 vom: 21. Sept., Seite e2202287
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:35
|g day:21
|g month:09
|g pages:e2202287
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|u http://dx.doi.org/10.1002/adma.202202287
|3 Volltext
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