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Mou J, Ding J, Qin W. Deep Learning-Enhanced Potentiometric Aptasensing with Magneto-Controlled Sensors. Angew Chem Int Ed Engl 2023; 62:e202210513. [PMID: 36404278 DOI: 10.1002/anie.202210513] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/20/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022]
Abstract
Bioelectronic sensors that report charge changes of a biomolecule upon target binding enable direct and sensitive analyte detection but remain a major challenge for potentiometric measurement, mainly due to Debye Length limitations and the need for molecular-level platforms. Here, we report on a magneto-controlled potentiometric method to directly and sensitively measure the target-binding induced charge change of DNA aptamers assembled on magnetic beads using a polymeric membrane potentiometric ion sensor. The potentiometric responses of the negatively charged aptamer, serving as a receptor and reporter, were dynamically controlled and modulated by applying a magnetic field. Based on a potentiometric array, this non-equilibrium measurement technique combined with deep learning algorithms allows for rapidly and reliably classifying and quantifying diverse small molecules using antibiotics as models. This potentiometric strategy opens new modalities for sensing applications.
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Affiliation(s)
- Junsong Mou
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Yantai, 264003, Shandong, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jiawang Ding
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Yantai, 264003, Shandong, P. R. China.,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, Shandong (P. R., China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, Shandong, P. R. China
| | - Wei Qin
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Yantai, 264003, Shandong, P. R. China.,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, Shandong (P. R., China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, Shandong, P. R. China
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Akkilic N, Geschwindner S, Höök F. Single-molecule biosensors: Recent advances and applications. Biosens Bioelectron 2019; 151:111944. [PMID: 31999573 DOI: 10.1016/j.bios.2019.111944] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 11/26/2019] [Accepted: 11/29/2019] [Indexed: 02/07/2023]
Abstract
Single-molecule biosensors serve the unmet need for real time detection of individual biological molecules in the molecular crowd with high specificity and accuracy, uncovering unique properties of individual molecules which are hidden when measured using ensemble averaging methods. Measuring a signal generated by an individual molecule or its interaction with biological partners is not only crucial for early diagnosis of various diseases such as cancer and to follow medical treatments but also offers a great potential for future point-of-care devices and personalized medicine. This review summarizes and discusses recent advances in nanosensors for both in vitro and in vivo detection of biological molecules offering single-molecule sensitivity. In the first part, we focus on label-free platforms, including electrochemical, plasmonic, SERS-based and spectroelectrochemical biosensors. We review fluorescent single-molecule biosensors in the second part, highlighting nanoparticle-amplified assays, digital platforms and the utilization of CRISPR technology. We finally discuss recent advances in the emerging nanosensor technology of important biological species as well as future perspectives of these sensors.
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Affiliation(s)
- Namik Akkilic
- Structure, Biophysics and Fragment-based Lead Generation, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden.
| | - Stefan Geschwindner
- Structure, Biophysics and Fragment-based Lead Generation, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Fredrik Höök
- Department of Applied Physics, Division of Biological Physics, Chalmers University of Technology, Gothenburg, Sweden.
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Liu W, Sun S, Huang Y, Wang R, Xu J, Liu X, Qian K. Label-Free Detection of Transferrin Receptor by a Designed Ligand-Protein Sensor. Chem Asian J 2019; 15:56-60. [PMID: 31777201 DOI: 10.1002/asia.201901512] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 11/03/2019] [Indexed: 12/13/2022]
Abstract
Advanced detection of biomarkers in biofluids plays an important role in disease diagnosis and prognosis. Current techniques with pre-labelling suffer from high cost and complicated operation, etc. Herein, we designed a label-free electrochemical biosensor for rapid detection of transferrin receptor with desirable linear range, sensitivity, specificity, reproducibility, and stability for practical applications.
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Affiliation(s)
- Wanshan Liu
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Shiyu Sun
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Yida Huang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Ruimin Wang
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Jiale Xu
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Xiyuan Liu
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Kun Qian
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
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Rahim MA, Kristufek SL, Pan S, Richardson JJ, Caruso F. Phenolische Bausteine für die Assemblierung von Funktionsmaterialien. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201807804] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Md. Arifur Rahim
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australien
| | - Samantha L. Kristufek
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australien
| | - Shuaijun Pan
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australien
| | - Joseph J. Richardson
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australien
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australien
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Rahim MA, Kristufek SL, Pan S, Richardson JJ, Caruso F. Phenolic Building Blocks for the Assembly of Functional Materials. Angew Chem Int Ed Engl 2018; 58:1904-1927. [DOI: 10.1002/anie.201807804] [Citation(s) in RCA: 213] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Md. Arifur Rahim
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Samantha L. Kristufek
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Shuaijun Pan
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Joseph J. Richardson
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio-Nano Science, and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
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