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240903s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02457
|2 doi
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|a pubmed24n1565.xml
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|a (DE-627)NLM377092703
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|a (NLM)39222152
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Kumar, Krishna
|e verfasserin
|4 aut
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|a Fabrication of Nanobioengineered Interfaces Utilizing Quaternary Nanocomposite for Highly Efficient and Selective Electrochemical Biosensing of Urea
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|c 2024
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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 08.10.2024
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|a Date Revised 12.10.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Nanobioengineered interfaces have gained attention owing to their small size and high surface area-to-volume ratio for utilization as a platform for highly selective and sensitive biosensing applications owing to the integration of biological molecules with engineered nanomaterials/nanocomposites. In this work, a novel Ag-complex, [(PPh3)2Ag(SCOf)]-based quaternary Ag-S-Zn-O nanocomposites (NCs), was synthesized through an environmentally-friendly process. The results revealed the formation of the NCs with an average crystallite size and particle size of 36.08 and 40.22 nm, respectively. In addition, this is the first study to utilize such NCs synthesized via a single-source precursor method, offering enhanced sensor performance due to their unique structural properties. Further, these NCs were used to fabricate a urease (Ur)/Ag-S-Zn-O NCs/ITO nanobioengineered electrode for precise and sensitive electrochemical biosensing of urea. The interfacial kinetic studies revealed quasi-reversible processes with high electron transfer rates and linear current responses, indicating efficient reaction dynamics. A high diffusion coefficient and low surface concentration suggested a fast diffusion-controlled process, affirming the electrode's potential for rapid and sensitive urea detection. The biosensor demonstrated notable sensing properties such as high sensitivity (12.56 μA mM-1 cm-2) and a low detection limit (0.54 mM). The fabricated bioelectrode was highly selective and reproducible and demonstrated stability for up to 60 days. These results validate the potential of this nanobioengineered interface for next-generation biosensing applications, paving the way for advanced point-of-care diagnostics and real-time health monitoring
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|a Journal Article
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|a Urea
|2 NLM
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|a 8W8T17847W
|2 NLM
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|a Urease
|2 NLM
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|a EC 3.5.1.5
|2 NLM
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|a Silver
|2 NLM
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|a 3M4G523W1G
|2 NLM
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|a Zinc Oxide
|2 NLM
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|a SOI2LOH54Z
|2 NLM
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| 700 |
1 |
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|a Singh, Kshitij Rb
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rathour, Ritu S
|e verfasserin
|4 aut
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| 700 |
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|a Singh, Jay
|e verfasserin
|4 aut
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|a Bhattacharya, Subrato
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pandey, Shyam S
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 40 vom: 08. Okt., Seite 21052-21066
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:40
|g year:2024
|g number:40
|g day:08
|g month:10
|g pages:21052-21066
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02457
|3 Volltext
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