1
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Huang K, Wang YH, Zhang H, Wang TY, Liu XH, Liu L, Jiang H, Wang XM. Application and outlook of electrochemical technology in single-cell analysis. Biosens Bioelectron 2023; 242:115741. [PMID: 37816284 DOI: 10.1016/j.bios.2023.115741] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/04/2023] [Indexed: 10/12/2023]
Abstract
Cellular heterogeneity, especially in some important diseased cells like tumor cells, acts as an invisible driver for disease development like cancer progression in the tumor ecosystem, contributing to differences in the macroscopic and microscopic detection of disease lesions like tumors. Traditional analysis techniques choose group information masked by the mean as the analysis sample, making it difficult to achieve precise diagnosis and target treatment, on which could be shed light via the single-cell level determination/bioanalysis. Hence, in this article we have reviewed the special characteristic differences among various kinds of typical single-cell bioanalysis strategies and electrochemical techniques, and then focused on the recent advance and special bio-applications of electrochemiluminescence and micro-nano electrochemical sensing mediated in single-cell bioimaging & bioanalysis. Especially, we have summarized the relevant research exploration of the possibility to establish the in-situ single-cell electrochemical methods to detect cell heterogeneity through determination of specific biomolecules and bioimaging of some important biological processes. Eventually, this review has explored some important advances of electrochemical single-cell detection techniques for the real-time cellular bioimaging and diagnostics of some disease lesions like tumors. It raises the possibility to provide the specific in-situ platform to exploit the versatile, sensitive, and high-resolution electrochemical single-cell analysis for the promising biomedical applications like rapid tracing of some disease lesions or in vivo bioimaging for precise cancer theranostics.
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Affiliation(s)
- Ke Huang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yi Han Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Hao Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Ting Ya Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiao Hui Liu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Liu Liu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Hui Jiang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Xue Mei Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
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2
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Panda AK, Murugan K, Sakthivel R, Lin LY, Duann YF, Dhawan U, Liu X, He JH, Chung RJ. A non-enzymatic, biocompatible electrochemical sensor based on N-doped graphene quantum dot-incorporated SnS 2 nanosheets for in situ monitoring of hydrogen peroxide in breast cancer cells. Colloids Surf B Biointerfaces 2023; 222:113033. [PMID: 36455362 DOI: 10.1016/j.colsurfb.2022.113033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/03/2022] [Accepted: 11/16/2022] [Indexed: 11/18/2022]
Abstract
The current study reports the design and construction of enzyme-free sensor using N-doped graphene quantum dots (N-GQDs)-decorated tin sulfide nanosheets (SnS2) for in situ monitoring of H2O2 secreted by human breast cancer cells. N-GQDs nanoparticles having a size of less than 1 nm were incorporated into SnS2 nanosheets to form an N-GQDs@SnS2 nanocomposite using a simple hydrothermal approach. The resulting hybrid material was an excellent electrocatalyst for the reduction of H2O2, owing to the combined properties of highly conductive N-GQDs and SnS2 nanosheets. The N-GQDs@SnS2-based sensing platform demonstrated substantial sensing ability, with a detection range of 0.0125-1128 µM and a limit of detection of 0.009 µM (S/N = 3). The sensing performance of N-GQDs@SnS2 was highly stable, selective, and reproducible. The practical application of the N-GQDs@SnS2 sensor was successfully demonstrated by quantifying H2O2 in lens cleaner, human urine, and saliva samples. Finally, the N-GQDs@SnS2 electrode was successfully applied for the real-time monitoring of H2O2 released from breast cancer cells and mouse fibroblasts. This study paves the way to designing efficient non-enzymatic electrochemical sensors for various biomolecule detection using a simple method.
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Affiliation(s)
- Asit Kumar Panda
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Keerthi Murugan
- Department of Chemistry, Ethiraj College for Women, Chennai, Tamil Nadu, India
| | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Lu-Yin Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Yeh-Fang Duann
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Udesh Dhawan
- Centre for the Cellular Microenvironment, University of Glasgow, Scotland, UK
| | - Xinke Liu
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Jr-Hau He
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong.
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan.
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3
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Wang Y, Huang K, Qin Z, Zeng J, Zhang Y, Yin L, Liu X, Jiang H, Wang X. Ultraprecise Real-Time Monitoring of Single Cells in Tumors in Response to Metal Ion-Mediated RNA Delivery. ACS APPLIED MATERIALS & INTERFACES 2022; 14:37291-37300. [PMID: 35971957 DOI: 10.1021/acsami.2c06306] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
With the deepening of cancer clinical research, miRNAs provide new ideas for molecular diagnosis and treatment of tumors. Improving the molecular delivery efficiency of miRNA is the key to the success of miRNA therapy. We have established self-assembly diagnosis and treatment technologies that can be used to achieve accurate targeting and "cargo" delivery at the cellular level. This technology builds a miRNA (let-7a) delivery system based on metal precursor [Au(III) and Fe(II)]-mediated tumor microenvironmental response to realize the self-assembly of Au&Fe-miRNA complexes for precise real-time imaging of tumor cells and targeted therapy. To accurately measure the changes in reactive oxygen species during complex formation in real time at the single-cell level, we employed small-size nanoscale devices as analytical tools. This study proposes an electrochemical sensor based on carbon fiber electrodes for ultraprecise and multiple monitoring of metal-ion-mediated miRNA delivery systems, precisely realizing targeted tracking of tumors and effective intervention inhibition.
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Affiliation(s)
- Yihan Wang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
| | - Ke Huang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
| | - Zhaojian Qin
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
| | - Jiayu Zeng
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
| | - Ying Zhang
- School of Public Health, Southeast University, No. 87 Dingjiaqiao, Nanjing 210009, China
| | - Lihong Yin
- School of Public Health, Southeast University, No. 87 Dingjiaqiao, Nanjing 210009, China
| | - Xiaohui Liu
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
| | - Hui Jiang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
| | - Xuemei Wang
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
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4
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Geraskevich AV, Solomonenko AN, Dorozhko EV, Korotkova EI, Barek J. Electrochemical Sensors for the Detection of Reactive Oxygen Species in Biological Systems: A Critical Review. Crit Rev Anal Chem 2022; 54:742-774. [PMID: 35867547 DOI: 10.1080/10408347.2022.2098669] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Reactive oxygen species (ROS) involving superoxide anion, hydrogen peroxide and hydroxyl radical play important role in human health. ROS are known to be the markers of oxidative stress associated with different pathologies including neurodegenerative and cardiovascular diseases, as well as cancer. Accordingly, ROS level detection in biological systems is an essential problem for biomedical and analytical research. Electrochemical methods seem to have promising prospects in ROS determination due to their high sensitivity, rapidity, and simple equipment. This review demonstrates application of modern electrochemical sensors for ROS detection in biological objects (e.g., cell lines and body fluids) over a decade between 2011 and 2021. Particular attention is paid to sensors materials and various types of modifiers for ROS selective detection. Moreover, the sensors comparative characteristics, their main advantages, disadvantages and their possibilities and limitations are discussed.
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Affiliation(s)
- Alina V Geraskevich
- Division for Chemical Engineering, School of Earth Sciences and Engineering, National Research Tomsk Polytechnic University, Tomsk, Russia
| | - Anna N Solomonenko
- Division for Chemical Engineering, School of Earth Sciences and Engineering, National Research Tomsk Polytechnic University, Tomsk, Russia
| | - Elena V Dorozhko
- Division for Chemical Engineering, School of Earth Sciences and Engineering, National Research Tomsk Polytechnic University, Tomsk, Russia
| | - Elena I Korotkova
- Division for Chemical Engineering, School of Earth Sciences and Engineering, National Research Tomsk Polytechnic University, Tomsk, Russia
| | - Jiří Barek
- UNESCO Laboratory of Environmental Electrochemistry, Department of Analytical Chemistry, Faculty of Science, Charles University, Prague 2, Czechia, Czech Republic
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5
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Deng Z, Zhao L, Zhou H, Xu X, Zheng W. Recent advances in electrochemical analysis of hydrogen peroxide towards in vivo detection. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.01.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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6
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Li H, Zhao H, Wang Z, Zhou F, Lan M. Facilely proposed PtCu-rGO bimetallic nanocomposites modified carbon fibers microelectrodes for detecting hydrogen peroxide released from living cells. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106972] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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7
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Dong H, Zhao L, Zhou Y, Wei X, Xu C, Zhang Y, Xu M. Novel Self-Calibrating Amperometric and Ratiometric Electrochemical Nanotip Microsensor for pH Measurement in Rat Brain. Anal Chem 2021; 93:13815-13822. [PMID: 34609844 DOI: 10.1021/acs.analchem.1c02436] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Brain pH has been proven to be a key factor in maintaining normal brain function. The relationship between local pH fluctuation and brain disease has not been extensively studied due to lack of the accurate in situ analysis technology. Herein, we have for the first time proposed a voltammetric pH sensor by measuring the ratio of current signals instead of the previously reported potential based on the Nernst equation. Single-walled carbon nanotubes (CNT) were first self-assembled on the electrode surface of a carbon-fiber nanotip electrode (CFNE). Then, poly-o-phenylenediamine (PoPD) molecules were deposited as pH-responsive molecules through in situ electrochemical polymerization. The compact CFNE/CNT/PoPD exhibited a good redox process with the on-off-on ratiometric electrochemical response to pH ranging from 4.5 to 8.2, providing self-correction for in situ pH detection. Thus, the proposed sensor enabled the accurate measurement of pH with excellent selectivity even in the presence of proteins or electroactive species. In addition, the sensor showed high repeatability, reproducibility, and reversibility in measuring pH and even demonstrated good stability when it was exposed to air for 5 months. Finally, we successfully detected the fluctuation of pH in rat brains with cerebral ischemia and rat whole blood. Overall, this research not only provides a good tool for the detection of rat brain pH but also provides a new strategy for further designing nanosensors for intracellular or subcellular pH.
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Affiliation(s)
- Hui Dong
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China.,College of Chemistry, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Le Zhao
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China
| | - Yanli Zhou
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China
| | - Xiuhua Wei
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China
| | - Cuicui Xu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China
| | - Yintang Zhang
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China
| | - Maotian Xu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, Henan, P. R. China.,College of Chemistry, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
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8
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Amini N, Rashidzadeh B, Amanollahi N, Maleki A, Yang JK, Lee SM. Application of an electrochemical sensor using copper oxide nanoparticles/polyalizarin yellow R nanocomposite for hydrogen peroxide. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:38809-38816. [PMID: 33740190 DOI: 10.1007/s11356-021-13299-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
In this study, copper oxide nanoparticles (CuONPs) were prepared by a simple chemical method and then characterized by scanning electron microscope (SEM). A novel electrochemical sensor for hydrogen peroxide (H2O2) analysis was prepared by immobilizing copper oxide nanoparticles and polyalizarin yellow R (PYAR) on bare glassy carbon electrode (PAYR/CuONPs/GCE). The electrocatalytical behavior of the proposed electrochemical sensor was also studied by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and differential pulse voltammetry (DPV). Based on the results, the PAYR/CuONP nanocomposite had significant electrocatalytic oxidation and reduction properties for the detection and determination of H2O2. Some parameters such as linear range, sensitivity, and detection limit for reduction peak were obtained as 0.1-140 μM, 1.4154 μA cm-2 μM-1, and 0.03 μM, respectively, by the DPV technique. Some advantages of this electrode were having widespread linear range, low detection limit, and, most importantly, ability in simultaneous oxidation and reduction of H2O2 at two applied potentials.
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Affiliation(s)
- Nader Amini
- Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran.
| | | | | | - Afshin Maleki
- Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Jae-Kyu Yang
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, South Korea.
| | - Seung-Mok Lee
- Department of Biosystems and Convergence Engineering, Catholic Kwandong University, 25601, Gangneung, South Korea
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9
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Recent advances of electrochemical sensors for detecting and monitoring ROS/RNS. Biosens Bioelectron 2021; 179:113052. [DOI: 10.1016/j.bios.2021.113052] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/24/2021] [Accepted: 01/26/2021] [Indexed: 02/07/2023]
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10
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Ma C, Yang C, Zhang M. A Novel Electrochemical Hydrogen Peroxide Sensor Based on AuNPs/ n-Type GaN Electrode. CHEM LETT 2020. [DOI: 10.1246/cl.200124] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Chunyun Ma
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Science & Technology Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, P. R. China
| | - Chuankai Yang
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Science & Technology Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, P. R. China
| | - Miaorong Zhang
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Science & Technology Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, P. R. China
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11
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A novel modification method via in-situ reduction of AuAg bimetallic nanoparticles by polydopamine on carbon fiber microelectrode for H2O2 detection. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104595] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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12
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Huang B, Zhang B, Liang B, Fang L, Ye X. Ultra-low level detection of hepatocellular carcinoma global methylation using a AuNP modified carbon fiber microelectrode. RSC Adv 2020; 10:16277-16283. [PMID: 35498837 PMCID: PMC9052887 DOI: 10.1039/d0ra00905a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 03/30/2020] [Indexed: 01/31/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common cancerous diseases, with a low 5 year survival rate. Global hypomethylation drives genomic instability, which is regarded as one biomarker for early diagnosis. Long interspersed nucleotide element-1 (LINE-1) makes up around 17% of the genome, and could be regarded as a surrogate marker for global DNA methylation. In this work, a gold nanoparticle (AuNP) modified carbon fiber microelectrode (CFME) with a diameter of 7 μm was applied for the first time to detect the methylation level of LINE-1, by distinguishing adsorption affinities between different DNA bases and AuNPs. Several parameters, including AuNP electrodeposition time, sample adsorption time, and DNA concentration have been analyzed and optimized. The detection limit of our assay was 0.1 nM with only 2 μL sample solution. And the CFME had an excellent sensitivity of 10% methylation change and had the capacity to distinguish only one methylated CpG site. The global DNA methylation level of real samples including cell lines and clinical tissues was tested. Higher signals of HCC cell lines and cancer tissues were observed respectively, compared with normal hepatic cell lines and normal tissues. This work provides a promising approach for HCC early diagnosis and prognosis. Using a AuNP modified carbon fiber microelectrode to detect hepatocellular carcinoma global methylation with an ultra-low concentration of DNA samples.![]()
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Affiliation(s)
- Bobo Huang
- Biosensor National Special Laboratory
- Key Laboratory of Biomedical Engineering of Ministry of Education
- College of Biomedical Engineering and Instrument Science
- Innovation Center for Minimally Invasive Technique and Device
- Zhejiang University
| | - Bin Zhang
- Key Laboratory of Laparoscopic Technology of Zhejiang Province
- Department of General Surgery
- Sir Run-Run Shaw Hospital
- School of Medicine
- Zhejiang University
| | - Bo Liang
- Biosensor National Special Laboratory
- Key Laboratory of Biomedical Engineering of Ministry of Education
- College of Biomedical Engineering and Instrument Science
- Innovation Center for Minimally Invasive Technique and Device
- Zhejiang University
| | - Lu Fang
- College of Automation
- Hangzhou Dianzi University
- Hangzhou 310018
- PR China
| | - Xuesong Ye
- Biosensor National Special Laboratory
- Key Laboratory of Biomedical Engineering of Ministry of Education
- College of Biomedical Engineering and Instrument Science
- Innovation Center for Minimally Invasive Technique and Device
- Zhejiang University
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13
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Jiao J, Pan M, Liu X, Li B, Liu J, Chen Q. A Non-Enzymatic Sensor Based on Trimetallic Nanoalloy with Poly (Diallyldimethylammonium Chloride)-Capped Reduced Graphene Oxide for Dynamic Monitoring Hydrogen Peroxide Production by Cancerous Cells. SENSORS (BASEL, SWITZERLAND) 2019; 20:E71. [PMID: 31877704 PMCID: PMC6982804 DOI: 10.3390/s20010071] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 12/24/2022]
Abstract
Catching cancer at an early stage is necessary to make it easier to treat and to save people's lives rather than just extending them. Reactive oxygen species (ROS) have sparked a huge interest owing to their vital role in various biological processes, especially in tumorigenesis, thus leading to the potential of ROS as prognostic biomarkers for cancer. Herein, a non-enzymatic biosensor for the dynamic monitoring of intracellular hydrogen peroxide (H2O2), the most important ROS, via an effective electrode composed of poly (diallyldimethylammonium chloride) (PDDA)-capped reduced graphene oxide (RGO) nanosheets with high loading trimetallic AuPtAg nanoalloy, is proposed. The designed biosensor was able to measure H2O2 released from different cancerous cells promptly and precisely owing to the impressive conductivity of RGO and PDDA and the excellent synergistic effect of the ternary alloy in boosting the electrocatalytic activity. Built upon the peroxidase-like activity of the nanoalloy, the developed sensor exhibited distinguished electrochemical performance, resulting in a low detection limit of 1.2 nM and a wide linear range from 0.05 μM to 5.5 mM. Our approach offers a significant contribution toward the further elucidation of the role of ROS in carcinogenesis and the effective screening of cancer at an early stage.
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Affiliation(s)
| | | | | | | | | | - Qiang Chen
- The Key Laboratory of Bioactive Materials Ministry of Education, College of Life Science, Nankai University, Tianjin 300071, China
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14
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Three-dimensional porous carbon/covalent-organic framework films integrated electrode for electrochemical sensors. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113590] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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15
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Wang B, Wen X, Chiou P, Maidment NT. Pt Nanoparticle‐modified Carbon Fiber Microelectrode for Selective Electrochemical Sensing of Hydrogen Peroxide. ELECTROANAL 2019. [DOI: 10.1002/elan.201900362] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Bo Wang
- Shirley and Stephan Hatos Center for Neuropharmacology, Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human BehaviorUniversity of California, Los Angeles Los Angeles, CA USA
| | - Ximiao Wen
- Department of Mechanical EngineeringUniversity of California, Los Angeles Los Angeles, CA USA
| | - Pei‐Yu Chiou
- Department of Mechanical EngineeringUniversity of California, Los Angeles Los Angeles, CA USA
| | - Nigel T. Maidment
- Shirley and Stephan Hatos Center for Neuropharmacology, Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human BehaviorUniversity of California, Los Angeles Los Angeles, CA USA
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16
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A needle-like reusable surface-enhanced Raman scattering substrate, and its application to the determination of acetamiprid by combining SERS and thin-layer chromatography. Mikrochim Acta 2018; 185:504. [DOI: 10.1007/s00604-018-3034-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 09/28/2018] [Indexed: 10/28/2022]
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17
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Anojčić J, Guzsvány V, Vajdle O, Kónya Z, Kalcher K. Rapid amperometric determination of H2O2 by a Pt nanoparticle/Vulcan XC72 composite-coated carbon paste electrode in disinfection and contact lens solutions. MONATSHEFTE FUR CHEMIE 2018. [DOI: 10.1007/s00706-018-2253-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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