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240323s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00140
|2 doi
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|a pubmed24n1495.xml
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|a (DE-627)NLM370027868
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|a (NLM)38513212
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Xu, Weixuan
|e verfasserin
|4 aut
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|a Ternary BiOI/Bi2S3/Au Nanosheet Arrays as a Photoelectrochemical Signal Converter for the Detection of Cardiac Troponin I
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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 03.04.2024
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|a Date Revised 08.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Nanosheet arrays with stable signal output have become promising photoactive materials for photoelectrochemical (PEC) immunosensors. However, an essential concern is the facile recombination of carriers in one-component nanoarrays, which cannot be readily prevented, ultimately resulting in weak photocurrent signals. In this study, an immunosensor using gold nanoparticle-anchored BiOI/Bi2S3 nanosheet arrays (BiOI/Bi2S3/Au) as a signal converter was fabricated for sensitive detection of cardiac troponin I (cTnI). The ternary nanosheet arrays were prepared by a simple method in which Bi2S3 was well-coated on the BiOI surface by in situ growth, whereas the addition of Au further improved the photoelectric conversion efficiency and could link more antibodies. The three-dimensional (3D) ordered sheet-like network array structure and BiOI/Bi2S3/Au ternary nanosheet arrays showed stable and high photoelectric signal output and no significant difference in signals across different batches under visible light excitation. The fabricated immunosensor has a sensitive response to the target detection marker cTnI in a wide linear range of 500 fg/mL to 50 ng/mL, and the detection limit was 32 fg/mL, demonstrating good stability and selectivity. This work not only shows the great application potential of ternary heterojunction arrays in the field of PEC immunosensors but also provides a useful exploration for improving the stability of immunosensors
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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|a Troponin I
|2 NLM
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|a Bismuth
|2 NLM
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|a U015TT5I8H
|2 NLM
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|a bismuth sulfide
|2 NLM
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|a XZC47M60X8
|2 NLM
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| 700 |
1 |
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|a Zhang, Xuelin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shanghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Feng
|e verfasserin
|4 aut
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| 700 |
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|a Li, Yueyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yueyun
|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 1992
|g 40(2024), 13 vom: 02. Apr., Seite 7060-7066
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:13
|g day:02
|g month:04
|g pages:7060-7066
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00140
|3 Volltext
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