Organic photoelectrochemical transistor aptasensor for dual-mode detection of DEHP with CRISPR-Cas13a assisted signal amplification
Copyright © 2024 Elsevier B.V. All rights reserved..
Emerging organic photoelectrochemical transistors (OPECTs) with inherent amplification capabilities, good biocompatibility and even self-powered operation have emerged as a promising detection tool, however, they are still not widely studied for pollutant detection. In this paper, a novel OPECT dual-mode aptasensor was constructed for the ultrasensitive detection of di(2-ethylhexyl) phthalate (DEHP). MXene/In2S3/In2O3 Z-scheme heterojunction was used as a light fuel for ion modulation in sensitive gated OPECT biosensing. A transistor system based on poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) converted biological events associated with photosensitive gate achieving nearly a thousand-fold higher current gain at zero bias voltage. This work quantified the target DEHP by aptamer-specific induction of CRISPR-Cas13a trans-cutting activity with target-dependent rolling circle amplification as the signal amplification unit, and incorporated the signal changes strategy of biocatalytic precipitation and TMB color development. Combining OPECT with the auxiliary validation of colorimetry (CM), high sensitivity and accurate detection of DEHP were achieved with a linear range of 0.1 pM to 200 pM and a minimum detection limit of 0.02 pM. This study not only provides a new method for the detection of DEHP, but also offers a promising prospect for the gating and application of the unique OPECT.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:470 |
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| Enthalten in: |
Journal of hazardous materials - 470(2024) vom: 15. Apr., Seite 134175 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Haowei [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 24.04.2024 Date Revised 25.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jhazmat.2024.134175 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM370640845 |
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| 245 | 1 | 0 | |a Organic photoelectrochemical transistor aptasensor for dual-mode detection of DEHP with CRISPR-Cas13a assisted signal amplification |
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| 520 | |a Copyright © 2024 Elsevier B.V. All rights reserved. | ||
| 520 | |a Emerging organic photoelectrochemical transistors (OPECTs) with inherent amplification capabilities, good biocompatibility and even self-powered operation have emerged as a promising detection tool, however, they are still not widely studied for pollutant detection. In this paper, a novel OPECT dual-mode aptasensor was constructed for the ultrasensitive detection of di(2-ethylhexyl) phthalate (DEHP). MXene/In2S3/In2O3 Z-scheme heterojunction was used as a light fuel for ion modulation in sensitive gated OPECT biosensing. A transistor system based on poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) converted biological events associated with photosensitive gate achieving nearly a thousand-fold higher current gain at zero bias voltage. This work quantified the target DEHP by aptamer-specific induction of CRISPR-Cas13a trans-cutting activity with target-dependent rolling circle amplification as the signal amplification unit, and incorporated the signal changes strategy of biocatalytic precipitation and TMB color development. Combining OPECT with the auxiliary validation of colorimetry (CM), high sensitivity and accurate detection of DEHP were achieved with a linear range of 0.1 pM to 200 pM and a minimum detection limit of 0.02 pM. This study not only provides a new method for the detection of DEHP, but also offers a promising prospect for the gating and application of the unique OPECT | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a CRISPR-Cas13a | |
| 650 | 4 | |a Colorimetry | |
| 650 | 4 | |a Di(2-ethylhexyl) phthalate | |
| 650 | 4 | |a MXene/In(2)S(3)/In(2)O(3) | |
| 650 | 4 | |a Organic photoelectrochemical transistor biosensor | |
| 650 | 7 | |a Aptamers, Nucleotide |2 NLM | |
| 650 | 7 | |a Diethylhexyl Phthalate |2 NLM | |
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| 700 | 1 | |a Zhang, Miao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Yunlei |e verfasserin |4 aut | |
| 700 | 1 | |a Qiao, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Lanlan |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Lulu |e verfasserin |4 aut | |
| 700 | 1 | |a Yin, Huanshun |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Minghui |e verfasserin |4 aut | |
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