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Bao C, Deng L, Huang F, Yang M, Li X. Signal amplification strategies in photoelectrochemical sensing of carcinoembryonic antigen. Biosens Bioelectron 2024; 262:116543. [PMID: 38963951 DOI: 10.1016/j.bios.2024.116543] [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: 05/26/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024]
Abstract
Early detection of cancer markers is critical for cancer diagnosis and cancer therapy since these markers may indicate cancer risk, incidence, and disease prognosis. Carcinoembryonic antigen (CEA) is a type of non-specific and broad-spectrum cancer biomarker commonly utilized for early cancer diagnosis. Moreover, it serves as an essential tool to assess the efficacy of cancer treatment and monitor tumor recurrence as well as metastasis, thus garnering significant attention for precise and sensitive CEA detection. In recent years, photoelectrochemical (PEC) techniques have emerged as prominent methods in CEA detection due to the advantages of PEC, such as simple equipment requirements, cost-effectiveness, high sensitivity, low interference from background signals, and easy of instrument miniaturization. Different signal amplification methods have been reported in PEC sensors for CEA analysis. Based on these, this article reviews PEC sensors based on various signal amplification strategies for detection of CEA during the last five years. The advantages and drawbacks of these sensors were discussed, as well as future challenges.
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Affiliation(s)
- Chengqi Bao
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Lei Deng
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Feng Huang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Minghui Yang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China; Furong Labratory, Changsha, 410083, China; National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Changsha, 410083, China.
| | - Xiaoqing Li
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China; Furong Labratory, Changsha, 410083, China; National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Changsha, 410083, China.
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Tan AYS, Lo NW, Cheng F, Zhang M, Tan MTT, Manickam S, Muthoosamy K. 2D carbon materials based photoelectrochemical biosensors for detection of cancer antigens. Biosens Bioelectron 2023; 219:114811. [PMID: 36308836 DOI: 10.1016/j.bios.2022.114811] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 08/23/2022] [Accepted: 10/11/2022] [Indexed: 11/19/2022]
Abstract
Cancer is a leading cause of death globally and early diagnosis is of paramount importance for identifying appropriate treatment pathways to improve cancer patient survival. However, conventional methods for cancer detection such as biopsy, CT scan, magnetic resonance imaging, endoscopy, X-ray and ultrasound are limited and not efficient for early cancer detection. Advancements in molecular technology have enabled the identification of various cancer biomarkers for diagnosis and prognosis of the deadly disease. The detection of these biomarkers can be done by biosensors. Biosensors are less time consuming compared to conventional methods and has the potential to detect cancer at an earlier stage. Compared to conventional biosensors, photoelectrochemical (PEC) biosensors have improved selectivity and sensitivity and is a suitable tool for detecting cancer agents. Recently, 2D carbon materials have gained interest as a PEC sensing platform due to their high surface area and ease of surface modifications for improved electrical transfer and attachment of biorecognition elements. This review will focus on the development of 2D carbon nanomaterials as electrode platform in PEC biosensors for the detection of cancer biomarkers. The working principles, biorecognition strategies and key parameters that influence the performance of the biosensors will be critically discussed. In addition, the potential application of PEC biosensor in clinical settings will also be explored, providing insights into the future perspective and challenges of exploiting PEC biosensors for cancer diagnosis.
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Affiliation(s)
- Adriel Yan Sheng Tan
- Guangdong Engineering and Technology Research Centre for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China; Centre for Nanotechnology and Advanced Materials (CENTAM), Faculty of Science and Engineering, University of Nottingham Malaysia (UNM), 43500, Semenyih, Selangor, Malaysia
| | - Newton Well Lo
- Centre for Nanotechnology and Advanced Materials (CENTAM), Faculty of Science and Engineering, University of Nottingham Malaysia (UNM), 43500, Semenyih, Selangor, Malaysia
| | - Faliang Cheng
- Guangdong Engineering and Technology Research Centre for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China.
| | - Min Zhang
- Guangdong Engineering and Technology Research Centre for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Michelle T T Tan
- Centre for Nanotechnology and Advanced Materials (CENTAM), Faculty of Science and Engineering, University of Nottingham Malaysia (UNM), 43500, Semenyih, Selangor, Malaysia
| | - Sivakumar Manickam
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam
| | - Kasturi Muthoosamy
- Centre for Nanotechnology and Advanced Materials (CENTAM), Faculty of Science and Engineering, University of Nottingham Malaysia (UNM), 43500, Semenyih, Selangor, Malaysia.
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Han Q, Pang J, Li Y, Sun B, Ibarlucea B, Liu X, Gemming T, Cheng Q, Zhang S, Liu H, Wang J, Zhou W, Cuniberti G, Rümmeli MH. Graphene Biodevices for Early Disease Diagnosis Based on Biomarker Detection. ACS Sens 2021; 6:3841-3881. [PMID: 34696585 DOI: 10.1021/acssensors.1c01172] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The early diagnosis of diseases plays a vital role in healthcare and the extension of human life. Graphene-based biosensors have boosted the early diagnosis of diseases by detecting and monitoring related biomarkers, providing a better understanding of various physiological and pathological processes. They have generated tremendous interest, made significant advances, and offered promising application prospects. In this paper, we discuss the background of graphene and biosensors, including the properties and functionalization of graphene and biosensors. Second, the significant technologies adopted by biosensors are discussed, such as field-effect transistors and electrochemical and optical methods. Subsequently, we highlight biosensors for detecting various biomarkers, including ions, small molecules, macromolecules, viruses, bacteria, and living human cells. Finally, the opportunities and challenges of graphene-based biosensors and related broad research interests are discussed.
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Affiliation(s)
- Qingfang Han
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan 250022, Shandong, China
| | - Jinbo Pang
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Yufen Li
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Baojun Sun
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan 250022, Shandong, China
| | - Bergoi Ibarlucea
- Dresden Center for Computational Materials Science, Technische Universität Dresden, Dresden 01062, Germany
- Dresden Center for Intelligent Materials (GCL DCIM), Technische Universität Dresden, Dresden 01062, Germany
| | - Xiaoyan Liu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Thomas Gemming
- Leibniz Institute for Solid State and Materials Research Dresden, Dresden D-01171, Germany
| | - Qilin Cheng
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Shu Zhang
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Hong Liu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
- State Key Laboratory of Crystal Materials, Center of Bio & Micro/Nano Functional Materials, Shandong University, 27 Shandanan Road, Jinan 250100, China
| | - Jingang Wang
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Weijia Zhou
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, Shandong, China
| | - Gianaurelio Cuniberti
- Dresden Center for Computational Materials Science, Technische Universität Dresden, Dresden 01062, Germany
- Dresden Center for Intelligent Materials (GCL DCIM), Technische Universität Dresden, Dresden 01062, Germany
- Institute for Materials Science and Max Bergmann Center of Biomaterials, Technische Universität Dresden, Dresden 01069, Germany
- Center for Advancing Electronics Dresden, Technische Universität Dresden, Dresden 01069, Germany
| | - Mark H. Rümmeli
- Leibniz Institute for Solid State and Materials Research Dresden, Dresden D-01171, Germany
- College of Energy, Soochow, Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, China
- Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University, Suzhou 215006, China
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie Sklodowskiej 34, Zabrze 41-819, Poland
- Institute of Environmental Technology (CEET), VŠB-Technical University of Ostrava, 17. Listopadu 15, Ostrava 708 33, Czech Republic
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Yang J, Li Y, Guo L, Qiu B, Lin Z. Photoelectrochemical Biosensor for MicroRNA-21 Based on High Photocurrent of TiO 2/Two-Dimensional Coordination Polymer CuCl x(MBA) y Photoelectrode. Anal Chem 2021; 93:11010-11018. [PMID: 34323073 DOI: 10.1021/acs.analchem.1c02267] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Conventional photosensitive materials such as TiO2 suffer from restricted absorption in the ultraviolet region, fast recombination of photogenerated electron-hole pairs, and a lack of functional groups for biocoupling, which hinder their application in photoelectrochemical (PEC) biosensing. Herein, a new coordination polymer (CP) based on Cu(I), chloridion, and 4-mercaptobenzoic acid (MBA) has been designed and synthesized (called CuClx(MBA)y). The prepared p-type CuClx(MBA)y exhibits visible-light absorption due to its narrow optical band gap (2.59 eV), and its proper band edge position enables it to form a p-n junction with TiO2. Through layer-by-layer assembling, the photocurrent intensity of the CuClx(MBA)y/TiO2/FTO composite photoelectrode was 3.7-fold higher than that of a TiO2/FTO electrode and 35-fold higher than a CuClx(MBA)y/FTO electrode. The potential enhancement mechanism was discussed, which lies in the contributions of CuClx(MBA)y in enhancing absorption in the visible-light region and boosting the separation of electron-hole pairs of TiO2 by the p-n junction. Furthermore, CuClx(MBA)y nanosheets can realize bioconjugation directly, thanks to its abundant carboxyl groups. The CuClx(MBA)y/TiO2/FTO composite photoelectrodes were applied to develop a sensitive PEC biosensor for microRNA-21 (model target). By subtly exploiting the energy transfer between CuClx(MBA)y and Au nanoparticles (AuNPs), AuNPs served as effective quenchers. In the presence of the target, AuNP-labeled sDNA1 connected to the electrode surface, and thus, a decreased photocurrent was obtained. The proposed biosensor has a low detection limit of 0.29 fM (S/N = 3), good selectivity, and reproducibility. The proposed system was applied to monitor microRNA in cancer cells with satisfying results.
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Affiliation(s)
- Jiao Yang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Yanzhou Li
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China
| | - Longhua Guo
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 56 South Yuexiu Road, Jiaxing, Zhejiang 314001, China
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
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Liposome encapsulated electron donor strategy for signal-on CYFRA 21-1 photoelectrochemical analysis. Mikrochim Acta 2021; 188:75. [PMID: 33558974 DOI: 10.1007/s00604-021-04721-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 01/19/2021] [Indexed: 01/23/2023]
Abstract
A novel electron donor controlled-release system is proposed based on liposome encapsulated L-cysteine for the sensitive determination of cytokeratin 19 fragment 21-1 (CYFRA 21-1). On the one hand, a defective TiO2 modified with methylene blue was employed as a photoactive platform which exhibited a high photoelectrochemical (PEC) response owing to the introduction of oxygen vacancies and the high photosensitivity of the dye. On the other hand, L-cysteine as the sacrificial electron donor was encapsulated in the vesicles of liposomes, and this composite was used as the signal amplification factor, which is labeled on the secondary antibody of CYFRA 21-1 to further improve the photocurrent sensitivity. The excellent electron transfer path in photoactive materials coupled with the skilful electron donor controlled-release system, contributed to the sensitive PEC analysis of CYFRA 21-1 underoptimum conditions. The PEC immunoassay showed a linear current response in the range 0.0001-100 ng/mL with a detection limitof 37 fg/mL. Enhanced stability and satisfactory reproducibility were also achieved. The proposed concept provides a novel signal-on strategy for the sensitive detection of other cancer markers in the electrochemical sensing field.
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Krishnan S, He X, Zhao F, Zhang Y, Liu S, Xing R. Dual labeled mesoporous silica nanospheres based electrochemical immunosensor for ultrasensitive detection of carcinoembryonic antigen. Anal Chim Acta 2020; 1133:119-127. [DOI: 10.1016/j.aca.2020.07.080] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/14/2020] [Accepted: 07/31/2020] [Indexed: 12/11/2022]
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Zhu Y, Xu Z, Gao J, Ji W, Zhang J. An antibody-aptamer sandwich cathodic photoelectrochemical biosensor for the detection of progesterone. Biosens Bioelectron 2020; 160:112210. [PMID: 32339148 DOI: 10.1016/j.bios.2020.112210] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/05/2020] [Accepted: 04/09/2020] [Indexed: 12/12/2022]
Abstract
The progesterone (P4) level in body fluids can act as an indicator for early pregnancy diagnosis and offers insight into mammalian somatic function. In this work, we designed an antibody-aptamer based sandwich assay as a cathodic photoelectrochemical (PEC) biosensor for P4 detection. The composites of carbon dots and graphene oxide (CDs-GO) with favorable cathodic photocurrent response were used as photoactive materials on which the antibody (Ab) of P4 was immobilized. Meanwhile, high affinity truncated P4 aptamer was immobilized on Au-CuO-Cu2O to act as a bioconjugate. When P4 was present, the aptamer-Au-CuO-Cu2O bioconjugate could amplify the cathodic photocurrent of CDs-GO modified electrode through Ab-P4-aptamer interactions. Under optimum conditions, the cathodic photocurrent of the constructed PEC biosensor was found to increase linearly with P4 in a wide concentration range from 0.5 nM to 180 nM, with a low detection limit (3S/N) of 0.17 nΜ. The proposed cathodic PEC sensing platform demonstrated high selectivity, satisfying reproducibility, good stability. The sensor was successfully applied in the determination of P4 in human serum samples.
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Affiliation(s)
- Yuhan Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, PR China
| | - Zuwei Xu
- State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, PR China
| | - Jie Gao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, PR China
| | - Weihao Ji
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, PR China
| | - Jingdong Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, PR China.
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Zhao C, Ma C, Wu M, Li W, Song Y, Hong C, Qiao X. A novel electrochemical immunosensor based on CoS2 for early screening of tumor marker carcinoembryonic antigen. NEW J CHEM 2020. [DOI: 10.1039/c9nj05745e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, PANI–HRP nanoparticles integrate biometric recognition and signal amplification functions in one body, which can be converted to each other without consuming the material itself.
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Affiliation(s)
- Chulei Zhao
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
| | - Chaoyun Ma
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
| | - Mei Wu
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
| | - Wenjun Li
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
| | - Yiju Song
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
| | - Chenglin Hong
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
| | - Xiuwen Qiao
- School of Chemistry and Chemical Engineering
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- Shihezi University
- China
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Zhang B, Jia Y, Wang J, Chang H, Zhao Z, Cheng Y. Colorimetric and photothermal dual-mode immunoassay for tumour marker detection based on a Ag2CO3@Ag nanocomposite. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.09.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Tan Z, Cao L, Yang Y, Yan Q, Liu Q, Zhang W, Zhao P, Li Y, Zhang D. Amperometric immunoassay for the carcinoembryonic antigen by using a peroxidase mimic consisting of palladium nanospheres functionalized with glutathione-capped gold nanoparticles on graphene oxide. Mikrochim Acta 2019; 186:693. [DOI: 10.1007/s00604-019-3799-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 09/07/2019] [Indexed: 12/17/2022]
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Ma C, Zhao C, Li W, Song Y, Hong C, Qiao X. Sandwich-type electrochemical immunosensor constructed using three-dimensional lamellar stacked CoS 2@C hollow nanotubes prepared by template-free method to detect carcinoembryonic antigen. Anal Chim Acta 2019; 1088:54-62. [PMID: 31623716 DOI: 10.1016/j.aca.2019.09.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 08/29/2019] [Accepted: 09/02/2019] [Indexed: 01/01/2023]
Abstract
Effective treatment of cancer depends on early detection of tumor markers. In this paper, an effective template-free method was used to prepare CoS2@C three-dimensional hollow sheet nanotubes as the matrix of the immunosensor. The unique three-dimensional hybrid hollow tubular nanostructure provides greater contact area and enhanced detection limit. The CoS2@C-NH2-HRP nanomaterial was synthesized as a marker and had a high specific surface area, which can effectively improve the electrocatalytic ability of hydrogen peroxide (H2O2) reduction while increasing the amount of capture-fixed carcinoembryonic antigen antibody (anti-CEA). In addition, the co-bonded horseradish peroxidase (HRP) can further promote the redox of H2O2 and amplify the electrical signal. Carcinoembryonic antigen (CEA) was quantified by immediate current response (i-t), and the prepared immunosensor had good analytical performance under optimized conditions. The current signal and the concentration of CEA were linear in the range of 0.001-80 ng/mL, and the detection limit was 0.33 pg/mL (S/N = 3). The designed immunosensor has good selectivity, repeatability and stability, and the detection of human serum samples shows good performance. Furthermore, electrochemical immunosensor has broad application prospects in the clinical diagnosis of CEA.
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Affiliation(s)
- Chaoyun Ma
- College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, PR China
| | - Chulei Zhao
- College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, PR China
| | - Wenjun Li
- College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, PR China
| | - Yiju Song
- College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, PR China
| | - Chenglin Hong
- College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, PR China.
| | - Xiuwen Qiao
- College of Chemistry and Chemical Engineering, Shihezi University, Shihezi, 832003, PR China
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Akbari Nakhjavani S, Afsharan H, Khalilzadeh B, Ghahremani MH, Carrara S, Omidi Y. Gold and silver bio/nano-hybrids-based electrochemical immunosensor for ultrasensitive detection of carcinoembryonic antigen. Biosens Bioelectron 2019; 141:111439. [DOI: 10.1016/j.bios.2019.111439] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 06/02/2019] [Accepted: 06/14/2019] [Indexed: 12/30/2022]
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Cysteine-assisted photoelectrochemical immunoassay for the carcinoembryonic antigen by using an ITO electrode modified with C3N4-BiOCl semiconductor and CuO nanoparticles as antibody labels. Mikrochim Acta 2019; 186:633. [DOI: 10.1007/s00604-019-3706-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 07/21/2019] [Indexed: 01/10/2023]
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14
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3D graphene/MWNTs nano-frameworks embedded Ag-Au bimetallic NPs for carcinoembryonic antigen detection. Microchem J 2019. [DOI: 10.1016/j.microc.2019.05.043] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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15
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Visible light driven photoelectrochemical sensor for chromium(VI) by using BiOI microspheres decorated with metallic bismuth. Mikrochim Acta 2019; 186:345. [DOI: 10.1007/s00604-019-3463-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 04/29/2019] [Indexed: 12/24/2022]
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Amplified photoelectrochemical immunoassay for the tumor marker carbohydrate antigen 724 based on dye sensitization of the semiconductor composite C 3N 4-MoS 2. Mikrochim Acta 2018; 185:530. [PMID: 30402791 DOI: 10.1007/s00604-018-3054-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 10/16/2018] [Indexed: 02/03/2023]
Abstract
The authors describe an amplified photoelectrochemical immunoassay for the tumor marker carbohydrate antigen 724 (CA724). The method employs a C3N4-MoS2 semiconductor as the photoelectric conversion layer. The nanocomposite was characterized by transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray powder diffraction, and UV-vis diffuse reflectometry. The dye eosin Y was encapsulated into CaCO3 nanospheres which then were used as labels for antibody against CA724. In addition, Fe3O4 nanospheres were employed as magnetic platform for constructing photoelectrochemical sandwich immunoassay. The CaCO3 nanospheres can be dissolved with aid of ethylene diamine tetraacetic acid (EDTA) and the carried eosin Y in CaCO3 is released. The released dyes sensitizes the C3N4-MoS2 semiconductor, which induces photocurrent amplification. Under optimal conditions and at a typical working voltage of 0 V (vs. SCE), the photocurrent increases linearly in the range of 0.05 mU mL-1 to 500 mU mL-1 of CA724, with a 0.02 mU mL-1 detection limit. Graphical abstract The C3N4-MoS2 complex, with high efficiency of electron transport, was synthesized to construct a photoelectrochemical analytical platform. A sandwich-type immunoassay was established on the surface of magnetic beads. Carbohydrate antigen 724 in sample was detected sensitively by using sensitization of released eosin Y as signal amplifiery.
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