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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00687
|2 doi
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|a pubmed25n1516.xml
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|a (DE-627)NLM356916677
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|a (NLM)37189015
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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 Talebi, Maryam
|e verfasserin
|4 aut
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|a Ruthenium-Encapsulated Porphyrinic Organic Polymer as a Photoresponsive Oxidoreductase Mimetic Nanozyme for Colorimetric Sensing
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|c 2023
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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
|b cr
|2 rdacarrier
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|a Date Completed 07.06.2023
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|a Date Revised 01.08.2025
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The advantages of porosity and stable unpaired electrons of porphyrinic organic polymers (POPs) with free radicals are exclusive and potentially practical functionalities and combining the semiconductor-like characteristics of these materials and metal ions has been an effective way to assemble an efficient photocatalytic system. Herein, a new ruthenium (Ru) ion-encapsulated porphyrinic organic polymer (POP/Ru) is facilely synthesized as a proper photoresponsive nanozyme with unique photo-oxidase properties. Surprisingly, the proposed POP/Ru revealed outstanding photoresponsive oxidase-mimicking activity due to the synergetic effect of the integration of Ru and π-electrons of POP, which boosts charge separation and transport. POP/Ru was applied to the oxidation of o-phenylenediamine (o-PDA) as a chromogenic probe for producing a colorimetric signal. The kinetic study reveals that these photo-oxidase mimics have a significant affinity for the o-PDA chromogenic agent owing to a lower Km and superior Vmax. Further findings demonstrate that the presence of the l-arginine (l-Arg) target causes an inhibition effect on the photo-nanozymatic colorimetry of POP/Ru. This research develops the applications of the comprehensive colorimetric strategy for ultrasensitive l-Arg monitoring with a limit of detection (LOD) of 15.2 nM in the dynamic range of 4.0 nM-340 μM and illuminates that the proposed photo-oxidase nanozyme as a visual strategy is feasible in l-Arg environmentally friendly colorimetric detection in juice samples
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Capsules
|2 NLM
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|a Ruthenium
|2 NLM
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|a 7UI0TKC3U5
|2 NLM
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|a Polymers
|2 NLM
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|a Oxidoreductases
|2 NLM
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|a EC 1.-
|2 NLM
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|a Porphyrins
|2 NLM
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1 |
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|a Dashtian, Kheibar
|e verfasserin
|4 aut
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1 |
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|a Zare-Dorabei, Rouholah
|e verfasserin
|4 aut
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| 700 |
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|a Amourizi, Fereshteh
|e verfasserin
|4 aut
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|a Ghafuri, Hossein
|e verfasserin
|4 aut
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|a Mahdavi, Mohammad
|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 39(2023), 21 vom: 30. Mai, Seite 7444-7455
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:39
|g year:2023
|g number:21
|g day:30
|g month:05
|g pages:7444-7455
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00687
|3 Volltext
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