1
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Shan CW, Chen Z, Han GC, Feng XZ, Kraatz HB. Electrochemical immuno-biosensors for the detection of the tumor marker alpha-fetoprotein: A review. Talanta 2024; 271:125638. [PMID: 38237279 DOI: 10.1016/j.talanta.2024.125638] [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: 11/18/2023] [Revised: 11/27/2023] [Accepted: 01/05/2024] [Indexed: 02/24/2024]
Abstract
Alpha-fetoprotein (AFP) is a glycoprotein that has many important physiological functions, including transportation, immunosuppression, and induction of apoptosis by T lymphocytes. AFP is closely related to the development of hepatocellular carcinoma and many kinds of tumors, all of which can show high concentrations, so it is used as a positive test indicator for many kinds of tumors. This paper reviews recent advances in the detection of the tumor marker AFP based on three immuno-biosensors: electrochemical (EC), photoelectrochemical (PEC), and electrochemical luminescence (ECL). The electrodes are modified by different materials or homemade composites, different signaling molecules are selected as single probes or dual probes for the detection of AFP. The detection limit was as low as 3 fg/mL, which indicated that the AFP immunosensor had achieved highly sensitive detection. In addition, we also reviewed and summarized the current development status and application prospect of AFP immunoelectrochemical sensors. There are not too many researches on immunosensors based on dual-signal ratios, and the commonly used probes are methylene blue (MB) and ferrocene (Fc). It would be more innovative to have more novel signaling molecules as probes to prepare dual-signal ratio sensors.
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Affiliation(s)
- Chen-Wei Shan
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin, 541004, PR China
| | - Zhencheng Chen
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin, 541004, PR China
| | - Guo-Cheng Han
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin, 541004, PR China.
| | - Xiao-Zhen Feng
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin, 541004, PR China.
| | - Heinz-Bernhard Kraatz
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1065 Military Trail, Toronto, Ontario, M1C 1A4, Canada.
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2
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Wang H, Yang S, Chen L, Li Y, He P, Wang G, Dong H, Ma P, Ding G. Tumor diagnosis using carbon-based quantum dots: Detection based on the hallmarks of cancer. Bioact Mater 2024; 33:174-222. [PMID: 38034499 PMCID: PMC10684566 DOI: 10.1016/j.bioactmat.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 09/15/2023] [Accepted: 10/05/2023] [Indexed: 12/02/2023] Open
Abstract
Carbon-based quantum dots (CQDs) have been shown to have promising application value in tumor diagnosis. Their use, however, is severely hindered by the complicated nature of the nanostructures in the CQDs. Furthermore, it seems impossible to formulate the mechanisms involved using the inadequate theoretical frameworks that are currently available for CQDs. In this review, we re-consider the structure-property relationships of CQDs and summarize the current state of development of CQDs-based tumor diagnosis based on biological theories that are fully developed. The advantages and deficiencies of recent research on CQDs-based tumor diagnosis are thus explained in terms of the manifestation of nine essential changes in cell physiology. This review makes significant progress in addressing related problems encountered with other nanomaterials.
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Affiliation(s)
- Hang Wang
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- CAS Center for Excellence in Superconducting Electronics (CENSE), Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
| | - Siwei Yang
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
| | - Liangfeng Chen
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
| | - Yongqiang Li
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
| | - Peng He
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
| | - Gang Wang
- Department of Microelectronic Science and Engineering, School of Physical Science and Technology, Ningbo University, Ningbo, 315211, PR China
| | - Hui Dong
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- CAS Center for Excellence in Superconducting Electronics (CENSE), Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
| | - Peixiang Ma
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
| | - Guqiao Ding
- National Key Laboratory of Materials for Integrated Circuit, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, PR China
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3
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Zhang X, Yarman A, Bagheri M, El-Sherbiny IM, Hassan RYA, Kurbanoglu S, Waffo AFT, Zebger I, Karabulut TC, Bier FF, Lieberzeit P, Scheller FW. Imprinted Polymers on the Route to Plastibodies for Biomacromolecules (MIPs), Viruses (VIPs), and Cells (CIPs). ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2024; 187:107-148. [PMID: 37884758 DOI: 10.1007/10_2023_234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Around 30% of the scientific papers published on imprinted polymers describe the recognition of proteins, nucleic acids, viruses, and cells. The straightforward synthesis from only one up to six functional monomers and the simple integration into a sensor are significant advantages as compared with enzymes or antibodies. Furthermore, they can be synthesized against toxic substances and structures of low immunogenicity and allow multi-analyte measurements via multi-template synthesis. The affinity is sufficiently high for protein biomarkers, DNA, viruses, and cells. However, the cross-reactivity of highly abundant proteins is still a challenge.
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Affiliation(s)
- Xiaorong Zhang
- Institute for Biochemistry and Biology, Universität Potsdam, Potsdam, Germany
| | - Aysu Yarman
- Molecular Biotechnology, Faculty of Science, Turkish-German University, Istanbul, Turkey
| | - Mahdien Bagheri
- Department of Physical Chemistry, Faculty for Chemistry, University of Vienna, Vienna, Austria
| | - Ibrahim M El-Sherbiny
- Nanoscience Program, University of Science and Technology (UST), Zewail City of Science and Technology, Giza, Egypt
- Center for Materials Science (CMS), Zewail City of Science and Technology, Giza, Egypt
| | - Rabeay Y A Hassan
- Nanoscience Program, University of Science and Technology (UST), Zewail City of Science and Technology, Giza, Egypt
- Center for Materials Science (CMS), Zewail City of Science and Technology, Giza, Egypt
| | - Sevinc Kurbanoglu
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | | | - Ingo Zebger
- Institut für Chemie, PC 14 Technische Universität Berlin, Berlin, Germany
| | | | - Frank F Bier
- Institute for Biochemistry and Biology, Universität Potsdam, Potsdam, Germany
| | - Peter Lieberzeit
- Department of Physical Chemistry, Faculty for Chemistry, University of Vienna, Vienna, Austria.
| | - Frieder W Scheller
- Institute for Biochemistry and Biology, Universität Potsdam, Potsdam, Germany.
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4
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Li S, Chen H, Liu X, Li P, Wu W. Nanocellulose as a promising substrate for advanced sensors and their applications. Int J Biol Macromol 2022; 218:473-487. [PMID: 35870627 DOI: 10.1016/j.ijbiomac.2022.07.124] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/14/2022] [Accepted: 07/17/2022] [Indexed: 01/14/2023]
Abstract
Nanocellulose has broad and promising applications owing to its low density, large specific surface area, high mechanical strength, modifiability, renewability. Recently, nanocellulose has been widely used to fabricate flexible, durable and environmental-friendly sensor substrates. In this contribution, the construction and characteristics of nanocellulose-based sensors are comprehensively reviewed. Various nanocellulose-based sensors are summarized and divided into colorimetric, fluorescent, electronic, electrochemical and SERS types according to the sensing mechanism. This review also introduces the applications of nanocellulose-based sensors in the fields of biomedicine, environmental monitoring, food safety, and wearable devices.
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Affiliation(s)
- Sijie Li
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Haibo Chen
- School of Electronic and Information Engineering, Soochow University, Suzhou 215000, Jiangsu, China
| | - Xingyue Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Peng Li
- School of Electronic and Information Engineering, Soochow University, Suzhou 215000, Jiangsu, China.
| | - Weibing Wu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
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5
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Afsharipour R, Haji Shabani AM, Dadfarnia S. A selective off–on fluorescent aptasensor for alpha-fetoprotein determination based on N-carbon quantum dots and oxidized nanocellulose. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113872] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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6
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Point-of-care detection assay based on biomarker-imprinted polymer for different cancers: a state-of-the-art review. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04085-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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7
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Mostafa AM, Barton SJ, Wren SP, Barker J. Review on molecularly imprinted polymers with a focus on their application to the analysis of protein biomarkers. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116431] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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8
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Zhang G, Xiang M, Kong RM, Qu F. Fluorescent and colorimetric determination of glutathione based on the inner filter effect between silica nanoparticle-gold nanocluster nanocomposites and oxidized 3,3',5,5'-tetramethylbenzidine. Analyst 2021; 145:6254-6261. [PMID: 32985630 DOI: 10.1039/d0an01392g] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Determination of glutathione (GSH) is closely related to the clinical diagnosis of many diseases. Thus, a fluorescent and colorimetric dual-readout strategy for the sensitive determination of glutathione was proposed. The mesoporous silica nanoparticle-gold nanocluster (MSN-AuNC) nanocomposites with significantly enhanced emission and effectively improved photostability characteristics were used as fluorescent probes. Based on the inner filter effect (IFE), the fluorescence of MSN-AuNCs at 570 nm can be effectively quenched by oxidized 3,3',5,5'-tetramethylbenzidine (oxTMB) with absorption in the wavelength ranges of 330-470 nm and 500-750 nm. However, the addition of GSH could cause the reduction of blue oxTMB to colorless TMB, resulting in the inhibition of IFE and the recovery of the fluorescence of MSN-AuNCs. Therefore, using oxTMB as both quencher and color indicator, a dual-readout oxTMB/MSN-AuNC sensing system for the sensitive determination of GSH was constructed. As signal amplification is caused by the fluorescence enhancement of MSN-AuNCs, the detection limits as low as 0.12 μM and 0.34 μM can be obtained for fluorescent and colorimetric assay, respectively. This method may not only offer a new idea for the sensitive and effective determination of GSH, but also broaden the applications of AuNCs in fluorescent and colorimetric dual-readout bioanalysis.
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Affiliation(s)
- Guoyan Zhang
- Key Laboratory of Life-Organic Analysis of Shandong Province, Qufu Normal University, Qufu 273165, China.
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9
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Cai L, Zhang Z, Xiao H, Chen S, Fu J. A magnetic thermosensitive fluorescence imprinted polymer for selective detection of bovine hemoglobin. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104603] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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10
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Gui R, Jin H. Recent advances in synthetic methods and applications of photo-luminescent molecularly imprinted polymers. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2019. [DOI: 10.1016/j.jphotochemrev.2019.08.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Sobiech M, Bujak P, Luliński P, Pron A. Semiconductor nanocrystal-polymer hybrid nanomaterials and their application in molecular imprinting. NANOSCALE 2019; 11:12030-12074. [PMID: 31204762 DOI: 10.1039/c9nr02585e] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Quantum dots (QDs) are attractive semiconductor fluorescent nanomaterials with remarkable optical and electrical properties. The broad absorption spectra and high stability of QD transducers are advantageous for sensing and bioimaging. Molecular imprinting is a technique for manufacturing synthetic polymeric materials with a high recognition ability towards a target analyte. The high selectivity of the molecularly imprinted polymers (MIPs) is a result of the fabrication process based on the template-tailored polymerization of functional monomers. The three-dimensional cavities formed in the polymer network can serve as the recognition elements of sensors because of their specificity and stability. Appending specific molecularly imprinted layers to QDs is a promising strategy to enhance the stability, sensitivity, and selective fluorescence response of the resulting sensors. By merging the benefits of MIPs and QDs, inventive optical sensors are constructed. In this review, the recent synthetic strategies used for the fabrication of QD nanocrystals emphasizing various approaches to effective functionalization in aqueous environments are discussed followed by a detailed presentation of current advances in QD conjugated MIPs (MIP-QDs). Frontiers in manufacturing of specific imprinted layers of these nanomaterials are presented and factors affecting the specific behaviour of an MIP shell are identified. Finally, current limitations of MIP-QDs are defined and prospects are outlined to amplify the capability of MIP-QDs in future sensing.
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Affiliation(s)
- Monika Sobiech
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Piotr Bujak
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland.
| | - Piotr Luliński
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Adam Pron
- Warsaw University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warsaw, Poland.
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12
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Mo G, He X, Zhou C, Ya D, Feng J, Yu C, Deng B. A novel ECL sensor based on a boronate affinity molecular imprinting technique and functionalized SiO2@CQDs/AuNPs/MPBA nanocomposites for sensitive determination of alpha-fetoprotein. Biosens Bioelectron 2019; 126:558-564. [DOI: 10.1016/j.bios.2018.11.013] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/25/2018] [Accepted: 11/10/2018] [Indexed: 12/14/2022]
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13
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Zhao D, Li J, Peng C, Zhu S, Sun J, Yang X. Fluorescence Immunoassay Based on the Alkaline Phosphatase Triggered in Situ Fluorogenic Reaction of o-Phenylenediamine and Ascorbic Acid. Anal Chem 2019; 91:2978-2984. [DOI: 10.1021/acs.analchem.8b05203] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Dan Zhao
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130012, China
| | - Juan Li
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
| | - Chuanyun Peng
- School of Environmental Engineering and Chemistry, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China
| | - Shuyun Zhu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China
| | - Jian Sun
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130012, China
| | - Xiurong Yang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130012, China
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14
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Zhu D, Hu Y, Zhang XJ, Yang XT, Tang YY. Colorimetric and fluorometric dual-channel detection of α-fetoprotein based on the use of ZnS-CdTe hierarchical porous nanospheres. Mikrochim Acta 2019; 186:124. [DOI: 10.1007/s00604-018-3225-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 12/29/2018] [Indexed: 02/07/2023]
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15
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Preparation and specific recognition of protein macromolecularly imprinted polyampholyte hydrogel. Talanta 2019; 192:14-23. [DOI: 10.1016/j.talanta.2018.08.084] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 07/28/2018] [Accepted: 08/30/2018] [Indexed: 10/28/2022]
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16
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Sun C, Pan L, Zhang L, Huang J, Yao D, Wang CZ, Zhang Y, Jiang N, Chen L, Yuan CS. A biomimetic fluorescent nanosensor based on imprinted polymers modified with carbon dots for sensitive detection of alpha-fetoprotein in clinical samples. Analyst 2019; 144:6760-6772. [DOI: 10.1039/c9an01065c] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A biomimetic fluorescent nanosensor based on molecularly imprinted polymers modified with carbon dots (CDs@MIPs) has been prepared for rapid, selective and sensitive detection of alpha-fetoprotein (AFP) in clinical samples.
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Affiliation(s)
- Chenghong Sun
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
- Management Center of Family Planning Drugs and Instruments of Sichuan Province
| | - Linli Pan
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
| | - Lei Zhang
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
| | - Jiaojiao Huang
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
- Department of Pharmacy
| | - Dandan Yao
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
| | - Chong-Zhi Wang
- Tang Center for Herbal Medicine Research
- and Department of Anesthesia & Critical Care
- University of Chicago
- Chicago
- USA
| | - Yu Zhang
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
| | - Nan Jiang
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
| | - Lina Chen
- School of Pharmacy
- Nanjing Medical University
- Nanjing
- China
| | - Chun-su Yuan
- Tang Center for Herbal Medicine Research
- and Department of Anesthesia & Critical Care
- University of Chicago
- Chicago
- USA
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17
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Dual-functional polymer-modified magnetic nanoparticles for isolation of lysozyme. Anal Chim Acta 2018; 1035:70-76. [DOI: 10.1016/j.aca.2018.07.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 06/13/2018] [Accepted: 07/07/2018] [Indexed: 12/30/2022]
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18
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Primiceri E, Chiriacò MS, Notarangelo FM, Crocamo A, Ardissino D, Cereda M, Bramanti AP, Bianchessi MA, Giannelli G, Maruccio G. Key Enabling Technologies for Point-of-Care Diagnostics. SENSORS (BASEL, SWITZERLAND) 2018; 18:E3607. [PMID: 30355989 PMCID: PMC6263899 DOI: 10.3390/s18113607] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/01/2018] [Accepted: 10/16/2018] [Indexed: 12/13/2022]
Abstract
A major trend in biomedical engineering is the development of reliable, self-contained point-of-care (POC) devices for diagnostics and in-field assays. The new generation of such platforms increasingly addresses the clinical and environmental needs. Moreover, they are becoming more and more integrated with everyday objects, such as smartphones, and their spread among unskilled common people, has the power to improve the quality of life, both in the developed world and in low-resource settings. The future success of these tools will depend on the integration of the relevant key enabling technologies on an industrial scale (microfluidics with microelectronics, highly sensitive detection methods and low-cost materials for easy-to-use tools). Here, recent advances and perspectives will be reviewed across the large spectrum of their applications.
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Affiliation(s)
| | | | | | - Antonio Crocamo
- Azienda Ospedaliero-Universitaria di Parma, via Gramsci 14, 43126 Parma, Italy.
| | - Diego Ardissino
- Azienda Ospedaliero-Universitaria di Parma, via Gramsci 14, 43126 Parma, Italy.
| | - Marco Cereda
- STMicroelectronics S.r.l., via Olivetti 2, 20864 Agrate Brianza, Italy.
| | | | | | - Gianluigi Giannelli
- National Institute of Gastroenterology, "S. De Bellis" Research Hospital, via Turi 27, 70013 Castellana Grotte, Italy.
| | - Giuseppe Maruccio
- Department of Mathematics and Physics, University of Salento, via Monteroni, 73100 Lecce, Italy.
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19
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Wang Y, Zhao G, Wang H, Cao W, Du B, Wei Q. Sandwich-type electrochemical immunoassay based on Co3O4@MnO2-thionine and pseudo-ELISA method toward sensitive detection of alpha fetoprotein. Biosens Bioelectron 2018; 106:179-185. [DOI: 10.1016/j.bios.2018.02.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 01/10/2018] [Accepted: 02/01/2018] [Indexed: 12/29/2022]
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20
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Wang X, Yu S, Liu W, Fu L, Wang Y, Li J, Chen L. Molecular Imprinting Based Hybrid Ratiometric Fluorescence Sensor for the Visual Determination of Bovine Hemoglobin. ACS Sens 2018; 3:378-385. [PMID: 29336149 DOI: 10.1021/acssensors.7b00804] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We describe a simple and effective strategy to construct a molecular imprinting ratiometric fluorescence sensor (MIR sensor) for the visual detection of bovine hemoglobin (BHb) used as a model protein. The sensor was prepared by simply mixing the solution of green and red CdTe quantum dots (QDs), which were embedded in core-shell structured molecularly imprinted polymers and silica nanoparticles, respectively. The resultant hybrid MIR sensor can selectively bind with BHb and thus quench the fluorescence of the green QDs, while the red QDs wrapped with silica are insensitive to BHb with the fluorescence intensity unchanged. As a result, a continuous obvious fluorescence color change from green to red can be observed by naked eyes, with the detection limit of 9.6 nM. Moreover, the MIR sensor was successfully applied to determine BHb in bovine urine samples with satisfactory recoveries at three spiking levels ranging from 95.7 to 101.5%, indicating great potential application for detecting BHb in real samples. This strategy of using different fluorescence emission materials incorporated to construct a ratiometric fluorescence sensor is reasonable and convenient, which can be extended to the preparation of other ratiometric fluorescence systems for targeted analytes.
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Affiliation(s)
- Xiaoyan Wang
- School
of Pharmacy, Binzhou Medical University, Yantai 264003, China
- Key
Laboratory of Coastal Environmental Processes and Ecological Remediation,
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Shuangmei Yu
- Radiotherapy
Ward, Yantai Yuhuangding Hospital, Yantai 264000, China
| | - Wen Liu
- Key
Laboratory of Coastal Environmental Processes and Ecological Remediation,
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Longwen Fu
- Key
Laboratory of Coastal Environmental Processes and Ecological Remediation,
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Yunqing Wang
- Key
Laboratory of Coastal Environmental Processes and Ecological Remediation,
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Jinhua Li
- Key
Laboratory of Coastal Environmental Processes and Ecological Remediation,
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Lingxin Chen
- Key
Laboratory of Coastal Environmental Processes and Ecological Remediation,
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
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21
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Chen B, Li T, Zhang Z, Wang S, Guo Z, Hu Y. Design of robust and photoluminescence-responsive materials based on poly(methacrylic acid-co-m-phenylenediamine) with graphene oxide composite hydrogels and its adsorption. J Appl Polym Sci 2018. [DOI: 10.1002/app.46354] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Bing Chen
- Faculty of Materials Science and Chemical Engineering, State Key Laboratory Base of Novel Functional Materials and Preparation Science; Ningbo University; Ningbo 315211 People's Republic of China
| | - Tingting Li
- Faculty of Materials Science and Chemical Engineering, State Key Laboratory Base of Novel Functional Materials and Preparation Science; Ningbo University; Ningbo 315211 People's Republic of China
| | - Zheng Zhang
- Faculty of Materials Science and Chemical Engineering, State Key Laboratory Base of Novel Functional Materials and Preparation Science; Ningbo University; Ningbo 315211 People's Republic of China
| | - Sui Wang
- Faculty of Materials Science and Chemical Engineering, State Key Laboratory Base of Novel Functional Materials and Preparation Science; Ningbo University; Ningbo 315211 People's Republic of China
| | - Zhiyong Guo
- Faculty of Materials Science and Chemical Engineering, State Key Laboratory Base of Novel Functional Materials and Preparation Science; Ningbo University; Ningbo 315211 People's Republic of China
| | - Yufang Hu
- Faculty of Materials Science and Chemical Engineering, State Key Laboratory Base of Novel Functional Materials and Preparation Science; Ningbo University; Ningbo 315211 People's Republic of China
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22
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Zhang X, Sun J, Liu J, Xu H, Dong B, Sun X, Zhang T, Xu S, Xu L, Bai X, Zhang S, Mintova S, Lu G, Song H. Label-free electrochemical immunosensor based on conductive Ag contained EMT-style nano-zeolites and the application for α-fetoprotein detection. SENSORS AND ACTUATORS B: CHEMICAL 2018; 255:2919-2926. [DOI: 10.1016/j.snb.2017.09.112] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/31/2023]
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23
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Zang Y, Ju Y, Hu X, Zhou H, Yang Z, Jiang J, Xue H. WS2 nanosheets-sensitized CdS quantum dots heterostructure for photoelectrochemical immunoassay of alpha-fetoprotein coupled with enzyme-mediated biocatalytic precipitation. Analyst 2018; 143:2895-2900. [DOI: 10.1039/c8an00551f] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A sensitive photoelectrochemical immunoassay for AFP was developed via signal enhancement of WS2/CdS heterojunction and signal quenching of enzyme-mediated biocatalytic precipitation.
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Affiliation(s)
- Yang Zang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Yun Ju
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Xin Hu
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Hui Zhou
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Zhanjun Yang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Jingjing Jiang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Huaiguo Xue
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
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24
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Yuan W, Wang C, Lei S, Chen J, Lei S, Li Z. Ultraviolet light-, temperature- and pH-responsive fluorescent sensors based on cellulose nanocrystals. Polym Chem 2018. [DOI: 10.1039/c8py00613j] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Intelligent CNC-g-P(AzoC6MA-co-DMAEMA) fluorescent nanosensors present ultraviolet light-, temperature- and pH-responsive properties.
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Affiliation(s)
- Weizhong Yuan
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
- P. R. China
| | - Chunyao Wang
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
- P. R. China
| | - Shize Lei
- Central South University
- Changsha 410083
- P. R. China
| | - Jiangdi Chen
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
- P. R. China
| | - Shaorong Lei
- Department of Plastic Surgery
- Xiangya Hospital
- Central South University
- Changsha 410008
- P. R. China
| | - Zhihong Li
- Division of General Surgery
- Shanghai Pudong New District Zhoupu Hospital
- Shanghai 201200
- P. R. China
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25
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Wang Y, Zhou J, Wu C, Tian L, Zhang B, Zhang Q. Fabrication of micron-sized BSA-imprinted polymers with outstanding adsorption capacity based on poly(glycidyl methacrylate)/polystyrene (PGMA/PS) anisotropic microspheres. J Mater Chem B 2018; 6:5860-5866. [DOI: 10.1039/c8tb01423j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Monodisperse poly(glycidyl methacrylate)/polystyrene (PGMA/PS) anisotropic microspheres have been fabricated by seed polymerization for BSA-imprinting microspheres.
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Affiliation(s)
- Yufei Wang
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions
- School of Natural and Applied Science
- Northwestern Polytechnical University
- Xi'an 710072
- P. R. China
| | - Jingjing Zhou
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions
- School of Natural and Applied Science
- Northwestern Polytechnical University
- Xi'an 710072
- P. R. China
| | - Chen Wu
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions
- School of Natural and Applied Science
- Northwestern Polytechnical University
- Xi'an 710072
- P. R. China
| | - Lei Tian
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions
- School of Natural and Applied Science
- Northwestern Polytechnical University
- Xi'an 710072
- P. R. China
| | - Baoliang Zhang
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions
- School of Natural and Applied Science
- Northwestern Polytechnical University
- Xi'an 710072
- P. R. China
| | - Qiuyu Zhang
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions
- School of Natural and Applied Science
- Northwestern Polytechnical University
- Xi'an 710072
- P. R. China
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26
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Chen K, He R, Luo X, Qin P, Tan L, Tang Y, Yang Z. A fluorescent glycosyl-imprinted polymer for pH and temperature regulated sensing of target glycopeptide antibiotic. Biosens Bioelectron 2017; 94:609-615. [DOI: 10.1016/j.bios.2017.03.059] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 03/21/2017] [Accepted: 03/27/2017] [Indexed: 11/24/2022]
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27
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Wei Y, Zeng Q, Hu Q, Wang M, Tao J, Wang L. Self-cleaned electrochemical protein imprinting biosensor basing on a thermo-responsive memory hydrogel. Biosens Bioelectron 2017; 99:136-141. [PMID: 28750337 DOI: 10.1016/j.bios.2017.07.049] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/08/2017] [Accepted: 07/19/2017] [Indexed: 12/19/2022]
Abstract
Herein, the self-cleaned electrochemical protein imprinting biosensor basing on a thermo-responsive memory hydrogel was constructed on a glassy carbon electrode (GCE) with a free radical polymerization method. Combining the advantages of thermo-responsive molecular imprinted polymers and electrochemistry, the resulted biosensor presents a novel self-cleaned ability for bovine serum albumin (BSA) in aqueous media. As a temperature controlled gate, the hydrogel film undergoes the adsorption and desorption of BSA basing on a reversible structure change with the external temperature stimuli. In particular, these processes have been revealed by the response of cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) of electroactive [Fe(CN)6]3-/4-. The results have been supported by the evidences of scanning electron microscopy (SEM) and contact angles measurements. Under the optimal conditions, a wide detection range from 0.02μmolL-1 to 10μmolL-1 with a detection limit of 0.012 μmolL-1 (S/N = 3) was obtained for BSA. This proposed BSA sensor also possesses high selectivity, excellent stability, acceptable recovery and good reproducibility in its practical applications.
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Affiliation(s)
- Yubo Wei
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
| | - Qiang Zeng
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
| | - Qiong Hu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
| | - Min Wang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
| | - Jia Tao
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China
| | - Lishi Wang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China.
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28
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Yuan Y, Li S, Xue Y, Liang J, Cui L, Li Q, Zhou S, Huang Y, Li G, Zhao Y. A Fe 3O 4@Au-basedpseudo-homogeneous electrochemical immunosensor for AFP measurement using AFP antibody-GNPs-HRP as detection probe. Anal Biochem 2017; 534:56-63. [PMID: 28712944 DOI: 10.1016/j.ab.2017.07.015] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 07/06/2017] [Accepted: 07/12/2017] [Indexed: 11/19/2022]
Abstract
In this study, a Fe3O4@Au-based pseudo-homogeneous electrochemical immunosensor was prepared for detection of alpha fetoprotein (AFP), a well-known hepatocellular carcinoma biomarker. The primary antibody (Ab1) was immobilized on Fe3O4@Au NPs as the capture probe. Horseradish peroxidase (HRP) and secondary antibody (Ab2) were conjugated on gold nanoparticles (GNPs) through electrostatic adsorption to form signal-amplifying labels. In the presence of AFP, a sandwich immunocomplex was formed via specific recognition of antigen-antibody in a Fe3O4@Au-basedpseudo-homogeneousreaction system. After the immunocomplex was captured to the surface of magnetic glassy carbon electrode (MGCE), the labeling HRP catalyzed the decomposition of H2O2, resulting in a substantial current for the quantitative detection of AFP. The amperometric (i-t) method was employed to record the response signal of the immunosensor based on the catalysis of the immobilized HRP toward the reduction of H2O2 with hydroquinone (HQ) as the redox mediator. Under the optimal conditions, the amperometric current response presented a linear relationship with AFP concentration over the range of 20 ng/mL-100 ng/mLwith a correlation coefficient of 0.9940, and the detection limit was 0.64 ng/mL at signal/noise [S/N] = 3. Moreover, the electrochemical immunosensor exhibited higher anti-interference ability, acceptable reproducibility and long-term stability for AFP detection.
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Affiliation(s)
- Yulin Yuan
- Department of Clinical Laboratory, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, China
| | - Shanshan Li
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Yewei Xue
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Jintao Liang
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Lijie Cui
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Qingbo Li
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
| | - Sufang Zhou
- National Center for International Research of Biological Targeting Diagnosis and Therapy, Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi 530021, China
| | - Yong Huang
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China; National Center for International Research of Biological Targeting Diagnosis and Therapy, Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi 530021, China.
| | - Guiyin Li
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China; National Center for International Research of Biological Targeting Diagnosis and Therapy, Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi 530021, China.
| | - Yongxiang Zhao
- National Center for International Research of Biological Targeting Diagnosis and Therapy, Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi 530021, China.
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29
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Selvolini G, Marrazza G. MIP-Based Sensors: Promising New Tools for Cancer Biomarker Determination. SENSORS 2017; 17:s17040718. [PMID: 28353669 PMCID: PMC5421678 DOI: 10.3390/s17040718] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 03/24/2017] [Accepted: 03/27/2017] [Indexed: 12/12/2022]
Abstract
Detecting cancer disease at an early stage is one of the most important issues for increasing the survival rate of patients. Cancer biomarker detection helps to provide a diagnosis before the disease becomes incurable in later stages. Biomarkers can also be used to evaluate the progression of therapies and surgery treatments. In recent years, molecularly imprinted polymer (MIP) based sensors have been intensely investigated as promising analytical devices in several fields, including clinical analysis, offering desired portability, fast response, specificity, and low cost. The aim of this review is to provide readers with an overview on recent important achievements in MIP-based sensors coupled to various transducers (e.g., electrochemical, optical, and piezoelectric) for the determination of cancer biomarkers by selected publications from 2012 to 2016.
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Affiliation(s)
- Giulia Selvolini
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, Sesto Fiorentino 50019, Italy.
| | - Giovanna Marrazza
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, Sesto Fiorentino 50019, Italy.
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30
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Ahn S, Zhang P, Yu H, Lee S, Kang SH. Ultrasensitive Detection of α-Fetoprotein by Total Internal Reflection Scattering-Based Super-Resolution Microscopy for Superlocalization of Nano-Immunoplasmonics. Anal Chem 2016; 88:11070-11076. [DOI: 10.1021/acs.analchem.6b03069] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
| | | | - Hyunung Yu
- Nanobio
Fusion Research Center, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
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31
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Karfa P, Madhuri R, Sharma PK. A battle between spherical and cube-shaped Ag/AgCl nanoparticle modified imprinted polymer to achieve femtogram detection of alpha-feto protein. J Mater Chem B 2016; 4:5534-5547. [PMID: 32263351 DOI: 10.1039/c6tb01306f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
In this work, a sensitive and selective molecularly imprinted polymer modified electrochemical sensor was developed for the detection of the hepatocellular carcinoma (HCC) biomarker, alpha feto protein (AFP) on the surface of specifically designed Ag/AgCl nanoparticles. Herein, for the first time, the effect of the shape of nanoparticles on the behavior of an imprinted polymer was studied using cube- and spherical-shaped Ag/AgCl nanoparticles. It was found that cube-shaped nanoparticles have high surface to volume ratios and higher electrocatalytic activity, and are, therefore, a suitable platform for the synthesis of imprinted polymers. Herein, we have demonstrated how a change in the morphology of the nanomaterials can affect the electrochemical and adsorption properties of an imprinted polymer towards the target analyte (here, AFP). A cube-shaped nanoparticle@imprinted polymer was used for the fabrication of the electrochemical sensor, the analytical performance of which was shown, by a square wave stripping voltammetric technique, to be good for the detection of AFP. The current response of the electrochemical sensor was linear for AFP concentrations in the range from 0.10 to 700.0 pg mL-1, with an ultra trace detection limit of 24.6 fg mL-1. This sensor offers high selectivity, sensitivity, simplicity and clinical applicability for AFP determination in human blood serum, plasma, and urine, without using antibodies or any biological components, this has not been reported for previously reported systems. The proposed sensor has the potential to be used as an alternative to the commercially available, costly, sophisticated enzyme-linked immunosorbent assay kits for AFP determination.
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Affiliation(s)
- Paramita Karfa
- Department of Applied Chemistry, Indian School of Mines, Dhanbad, Jharkhand 826 004, India.
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Facile synthesis of cuprous oxide nanowires decorated graphene oxide nanosheets nanocomposites and its application in label-free electrochemical immunosensor. Biosens Bioelectron 2016; 87:745-751. [PMID: 27649330 DOI: 10.1016/j.bios.2016.09.014] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 09/02/2016] [Accepted: 09/03/2016] [Indexed: 12/13/2022]
Abstract
In this work, the assembly between one-dimensional (1D) nanomaterials and two-dimensional (2D) nanomaterials was achieved by a simple method. Cuprous oxide nanowires decorated graphene oxide nanosheets (Cu2O@GO) nanocomposites were synthesized for the first time by a simple electrostatic self-assembly process. The nanostructure was well confirmed by scanning electron microscope (SEM) and transmission electron microscope (TEM) images. Taking advantages of good electrocatalytic activity and high specific surface area of Cu2O@GO nanocomposites, a label-free electrochemical immunosensor was developed by employing Cu2O@GO as signal amplification platform for the quantitative detection of alpha fetoprotein (AFP). In addition, toluidine blue (TB) was used as the electron transfer mediator to provide the electrochemical signal, which was adsorbed on graphene oxide nanosheets (GO NSs) by electrostatic attraction. The detection mechanism was based on the monitoring of the electrochemical current response change of TB by the square wave voltammetry (SWV) when immunoreaction occurred on the surface of electrode. Under optimal conditions, the proposed immunosensor displayed a high sensitivity and a low detection limit. This designed method may provide an effective method in the clinical diagnosis of AFP and other tumor markers.
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Roy E, Patra S, Tiwari A, Madhuri R, Sharma PK. Introduction of selectivity and specificity to graphene using an inimitable combination of molecular imprinting and nanotechnology. Biosens Bioelectron 2016; 89:234-248. [PMID: 26952532 DOI: 10.1016/j.bios.2016.02.056] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 02/19/2016] [Accepted: 02/22/2016] [Indexed: 01/21/2023]
Abstract
Recently, the nanostructured modified molecularly imprinting polymer has created a great attention in research field due to its excellent properties such as high surface to volume ratio, low cost, and easy preparation/handling. Among the nanostructured materials, the carbonaceous material such as 'graphene' has attracted the tremendous attention of researchers owing to their fascinating electrical, thermal and physical properties. In this review article, we have tried to explore as well as compile the role of graphene-based nanomaterials in the fabrication of imprinted polymers. In other words, herein the recent efforts made to introduce selectivity in graphene-based nanomaterials were tried collected together. The major concern of this review article is focused on the sensing devices fabricated via a combination of graphene, graphene@nanoparticles, graphene@carbon nanotubes and molecularly imprinted polymers. Additionally, the combination of graphene and quantum dots was also included to explore the fluorescence properties of zero-band-gap graphene.
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Affiliation(s)
- Ekta Roy
- Department of Applied Chemistry, Indian School of Mines, Dhanbad, Jharkhand 826004, India
| | - Santanu Patra
- Department of Applied Chemistry, Indian School of Mines, Dhanbad, Jharkhand 826004, India
| | - Ashutosh Tiwari
- Smart Materials and Biodevices, Biosensors and Bioelectronics Centre, IFM-Linköpings Universitet, 581 83 Linköping, Sweden
| | - Rashmi Madhuri
- Department of Applied Chemistry, Indian School of Mines, Dhanbad, Jharkhand 826004, India.
| | - Prashant K Sharma
- Functional Nanomaterials Research Laboratory, Department of Applied Physics, Indian School of Mines, Dhanbad, Jharkhand 826004, India
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