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Aydın EB, Aydın M, Sezgintürk MK. A new immunosensing platform based on conjugated Poly(ThidEp-co-EDOT) copolymer for resistin detection, a new obesity biomarker. Mikrochim Acta 2024; 191:69. [PMID: 38165489 DOI: 10.1007/s00604-023-06145-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 12/09/2023] [Indexed: 01/03/2024]
Abstract
The design of a novel electrochemical impedimetric biosensor for label-free analysis of resistin, a biomarker for obesity, is reported. For the fabrication of the immunosensor, a novel approach composed of electrochemical copolymerization of double epoxy groups-substituted thiophene (ThidEp) and 3,4-Ethylenedioxythiophene (EDOT) monomers was utilized. Anti-resistin antibodies were covalently attached to the copolymer-coated electrode. The capture of resistin antigens by anti-resistin antibodies caused significant variations in charge transfer resistance (Rct) because of the immunoreactions between these proteins. Under optimum experimental variables, the changes in impedance signals were employed for the determination of resistin antigen concentration, and the prepared immunosensor based on conjugated copolymer illustrated a wide linear range between 0.0125 and 22.5 pg/mL, a low detection limit (LOD) of 3.71 fg/mL, and a good sensitivity of 1.22 kΩ pg-1mL cm2. The excellent analytical performance of the resistin immunosensor in terms of selectivity, sensitivity, repeatability, reproducibility, storage stability, and low detection limit might be attributed to the conductive copolymer film layer generation on the disposable indium tin oxide (ITO) platform. The capability of this system for the determination of resistin in human serum and saliva samples was also tested. The immunosensor results were in accordance with the enzyme-linked immunosorbent assay (ELISA) results. The matrix effects of human serum and saliva were also investigated, and the proposed immunosensor displayed good recovery ranging from 95.91 to 106.25%. The engineered immunosensor could open new avenues for obesity monitoring.
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Affiliation(s)
- Elif Burcu Aydın
- Scientific and Technological Research Center, Tekirdağ Namık Kemal University, Tekirdağ, Turkey.
| | - Muhammet Aydın
- Scientific and Technological Research Center, Tekirdağ Namık Kemal University, Tekirdağ, Turkey
| | - Mustafa Kemal Sezgintürk
- Faculty of Engineering, Bioengineering Department, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
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2
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Robinson C, Juska VB, O'Riordan A. Surface chemistry applications and development of immunosensors using electrochemical impedance spectroscopy: A comprehensive review. ENVIRONMENTAL RESEARCH 2023; 237:116877. [PMID: 37579966 DOI: 10.1016/j.envres.2023.116877] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/04/2023] [Accepted: 08/10/2023] [Indexed: 08/16/2023]
Abstract
Immunosensors are promising alternatives as detection platforms for the current gold standards methods. Electrochemical immunosensors have already proven their capability for the sensitive, selective, detection of target biomarkers specific to COVID-19, varying cancers or Alzheimer's disease, etc. Among the electrochemical techniques, electrochemical impedance spectroscopy (EIS) is a highly sensitive technique which examines the impedance of an electrochemical cell over a range of frequencies. There are several important critical requirements for the construction of successful impedimetric immunosensor. The applied surface chemistry and immobilisation protocol have impact on the electroanalytical performance of the developed immunosensors. In this Review, we summarise the building blocks of immunosensors based on EIS, including self-assembly monolayers, nanomaterials, polymers, immobilisation protocols and antibody orientation.
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Affiliation(s)
- Caoimhe Robinson
- Tyndall National Institute, University College Cork, T12 R5CP, Cork, Ireland
| | - Vuslat B Juska
- Tyndall National Institute, University College Cork, T12 R5CP, Cork, Ireland.
| | - Alan O'Riordan
- Tyndall National Institute, University College Cork, T12 R5CP, Cork, Ireland.
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3
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de Assis SC, Morgado DL, Scheidt DT, de Souza SS, Cavallari MR, Ando Junior OH, Carrilho E. Review of Bacterial Nanocellulose-Based Electrochemical Biosensors: Functionalization, Challenges, and Future Perspectives. BIOSENSORS 2023; 13:142. [PMID: 36671977 PMCID: PMC9856105 DOI: 10.3390/bios13010142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/02/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
Electrochemical biosensing devices are known for their simple operational procedures, low fabrication cost, and suitable real-time detection. Despite these advantages, they have shown some limitations in the immobilization of biochemicals. The development of alternative materials to overcome these drawbacks has attracted significant attention. Nanocellulose-based materials have revealed valuable features due to their capacity for the immobilization of biomolecules, structural flexibility, and biocompatibility. Bacterial nanocellulose (BNC) has gained a promising role as an alternative to antifouling surfaces. To widen its applicability as a biosensing device, BNC may form part of the supports for the immobilization of specific materials. The possibilities of modification methods and in situ and ex situ functionalization enable new BNC properties. With the new insights into nanoscale studies, we expect that many biosensors currently based on plastic, glass, or paper platforms will rely on renewable platforms, especially BNC ones. Moreover, substrates based on BNC seem to have paved the way for the development of sensing platforms with minimally invasive approaches, such as wearable devices, due to their mechanical flexibility and biocompatibility.
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Affiliation(s)
- Samuel Chagas de Assis
- Grupo de Pesquisa em Energia e Sustentabilidade Energética-GPEnSE, Universidade Federal da Integração Latino-Americana—UNILA, Av. Sílvio Américo Sasdelli, 1842, Foz do Iguaçu 85866-000, PR, Brazil
| | - Daniella Lury Morgado
- Grupo de Pesquisa em Energia e Sustentabilidade Energética-GPEnSE, Universidade Federal da Integração Latino-Americana—UNILA, Av. Sílvio Américo Sasdelli, 1842, Foz do Iguaçu 85866-000, PR, Brazil
- Instituto de Química de São Carlos, Universidade de São Paulo, São Carlos 13566-590, SP, Brazil
| | - Desiree Tamara Scheidt
- Instituto de Química de São Carlos, Universidade de São Paulo, São Carlos 13566-590, SP, Brazil
- Instituto Nacional de Ciência e Tecnologia de Bioanalítica-INCTBio, Campinas 13083-970, SP, Brazil
| | - Samara Silva de Souza
- Grupo de Pesquisa em Energia e Sustentabilidade Energética-GPEnSE, Universidade Federal da Integração Latino-Americana—UNILA, Av. Sílvio Américo Sasdelli, 1842, Foz do Iguaçu 85866-000, PR, Brazil
- Departamento de Engenharia de Bioprocessos e Biotecnologia, Universidade Tecnológica Federal do Paraná—UTFPR, Campus Dois Vizinhos, Dois Vizinhos 85660-000, PR, Brazil
| | - Marco Roberto Cavallari
- School of Electrical and Computer Engineering, University of Campinas (Unicamp), Av. Albert Einstein 400, Campinas 13083-852, SP, Brazil
| | - Oswaldo Hideo Ando Junior
- Grupo de Pesquisa em Energia e Sustentabilidade Energética-GPEnSE, Universidade Federal da Integração Latino-Americana—UNILA, Av. Sílvio Américo Sasdelli, 1842, Foz do Iguaçu 85866-000, PR, Brazil
- Academic Unit of Cabo de Santo Agostinho (UACSA), Universidade Federal Rural de Pernambuco (UFRPE), Rua Cento e Sessenta e Três, 300-Cohab, Cabo de Santo Agostinho 54518-430, PE, Brazil
| | - Emanuel Carrilho
- Instituto de Química de São Carlos, Universidade de São Paulo, São Carlos 13566-590, SP, Brazil
- Instituto Nacional de Ciência e Tecnologia de Bioanalítica-INCTBio, Campinas 13083-970, SP, Brazil
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Aydın EB, Aydın M, Sezgintürk MK. A Simple and Low-Cost Electrochemical Immunosensor for Ultrasensitive Determination of Calreticulin Biomarker in Human Serum. Macromol Biosci 2023; 23:e2200390. [PMID: 36419333 DOI: 10.1002/mabi.202200390] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/13/2022] [Indexed: 11/27/2022]
Abstract
An early on time detection of breast cancer significantly affects the treatment process and outcome. Herein, a new label-free impedimetric biosensor is developed to determine the lowest change in the level of calreticulin (CALR), which is a new biomarker of breast carcinoma. The proposed immunosensor is fabricated by using reduced graphene oxide/amino substituted polypyrrole polymer (rGO-PPyNH2 ) nanocomposite modified disposable electrode. The anti-CALR antibodies are first attached on the rGO-PPyNH2 nanocomposite coated electrode through glutaraldehyde crosslinking; the CALR antigens are then immobilized with the addition of CALR antigens to form an immunocomplex on the sensing surface. This immunocomplex induces considerably larger interfacial electron transport resistance (Rct ). The variation in the Rct has a linear relationship with CALR level in the detection range of 0.025 to 75 pg mL-1 , with a detection limit of 10.4 fg mL-1 . The suggested biosensor shows high selectivity to CALR, good storage stability (at least 5 weeks) and suitable reproducibility results as shown in quality control chart. The designed immunosensor is utilized to analyze CALR levels in human sera with satisfying results. This immunosensor provides a novel way for the clinical determination of CALR and other cancer biological markers.
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Affiliation(s)
- Elif Burcu Aydın
- Tekirdağ Namık Kemal University, Scientific and Technological Research Center, Tekirdağ, 59000, Turkey
| | - Muhammet Aydın
- Tekirdağ Namık Kemal University, Scientific and Technological Research Center, Tekirdağ, 59000, Turkey
| | - Mustafa Kemal Sezgintürk
- Çanakkale Onsekiz Mart University, Faculty of Engineering, Bioengineering Department, Çanakkale, 17000, Turkey
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Primpray V, Kamsong W, Pakapongpan S, Phochakum K, Kaewchaem A, Sappat A, Wisitsoraat A, Lomas T, Tuantranont A, Karuwan C. An alternative ready-to-use electrochemical immunosensor for point-of-care COVID-19 diagnosis using graphene screen-printed electrodes coupled with a 3D-printed portable potentiostat. TALANTA OPEN 2022; 6:100155. [PMID: 36212546 PMCID: PMC9529345 DOI: 10.1016/j.talo.2022.100155] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/30/2022] [Accepted: 10/02/2022] [Indexed: 10/25/2022] Open
Abstract
A severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a cause of worldwide Coronavirus 2019 (COVID-19) disease pandemic. It is thus important to develop ultra-sensitive, rapid and easy-to-use methods for the identification of COVID-19 infected patients. Herein, an alternative electrochemical immunosensor based on poly(pyrrolepropionic acid) (pPPA) modified graphene screen-printed electrode (GSPE) was proposed for rapid COVID-19 detection. The method was based on a competitive enzyme immunoassay process utilizing horseradish peroxidase (HRP)-conjugated SARS-CoV-2 as a reporter binding molecule to compete binding with antibody against the SARS-CoV-2 receptor binding domain (SARS-CoV-2 RBD) protein. This strategy enhanced the current signal via the enzymatic reaction of HRP-conjugated SARS-CoV-2 RBD antibody on the electrode surface. The modification, immobilization, blocking, and detection processes were optimized and evaluated by amperometry. The quantitative analysis of SARS-CoV-2 was conducted based on competitive enzyme immunoassay with amperometric detection using a 3D-printed portable potentiostat for point-of-care COVID-19 diagnosis. The current measurements at -0.2 V yielded a calibration curve with a linear range of 0.01-1500 ng mL-1 (r2 = 0.983), a low detection limit of 2 pg mL-1 and a low quantification limit of 10 pg mL-1. In addition, the analyzed results of practical samples using the developed method were successfully verified with ELISA and RT-PCR. Therefore, the proposed portable electrochemical immunosensor is highly sensitive, rapid, and reliable. Thus, it is an alternative ready-to-use sensor for COVID-19 point-of-care diagnosis.
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Deller AE, Soares AL, Volpe J, Ruthes JGA, Souto DEP, Vidotti M. Development of Folate-Group Impedimetric Biosensor Based on Polypyrrole Nanotubes Decorated with Gold Nanoparticles. BIOSENSORS 2022; 12:970. [PMID: 36354479 PMCID: PMC9688042 DOI: 10.3390/bios12110970] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
In this study, polypyrrole nanotubes (PPy-NT) and gold nanoparticles (AuNPs) were electrochemically synthesized to form a hybrid material and used as an electroactive layer for the attachment of proteins for the construction of a high-performance biosensor. Besides the enhancement of intrinsic conductivity of the PPy-NT, the AuNPs act as an anchor group for the formation of self-assembly monolayers (SAMs) from the gold-sulfur covalent interaction between gold and Mercaptopropionic acid (MPA). This material was used to evaluate the viability and performance of the platform developed for biosensing, and three different biological approaches were tested: first, the Avidin-HRP/Biotin couple and characterizations were made by using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), wherein we detected Biotin in a linear range of 100-900 fmol L-1. The studies continued with folate group biomolecules, using the folate receptor α (FR-α) as a bioreceptor. Tests with anti-FR antibody detection were performed, and the results obtained indicate a linear range of detection from 0.001 to 6.70 pmol L-1. The same FR-α receptor was used for Folic Acid detection, and the results showed a limit of detection of 0.030 nmol L-1 and a limit of quantification of 90 pmol L-1. The results indicate that the proposed biosensor is sensitive and capable of operating in a range of clinical interests.
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Affiliation(s)
- Andrei E. Deller
- Grupo de Pesquisa em Macromoléculas e Interfaces, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, PR, Brazil
| | - Ana L. Soares
- Grupo de Pesquisa em Macromoléculas e Interfaces, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, PR, Brazil
| | - Jaqueline Volpe
- Laboratório de Espectrometria, Sensores e Biossensores, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, PR, Brazil
| | - Jean G. A. Ruthes
- Grupo de Pesquisa em Macromoléculas e Interfaces, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, PR, Brazil
| | - Dênio E. P. Souto
- Laboratório de Espectrometria, Sensores e Biossensores, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, PR, Brazil
| | - Marcio Vidotti
- Grupo de Pesquisa em Macromoléculas e Interfaces, Universidade Federal do Paraná (UFPR), Curitiba 81531-980, PR, Brazil
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7
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Tackling the challenges of developing microneedle-based electrochemical sensors. Mikrochim Acta 2022; 189:440. [DOI: 10.1007/s00604-022-05510-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/21/2022] [Indexed: 11/06/2022]
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8
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Bullé Rêgo ES, Santos DL, Hernández-Macedo ML, Padilha FF, López JA. Methods for the prevention and control of microbial spoilage and undesirable compounds in wine manufacturing. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Aydın EB, Aydın M, Sezgintürk MK. Impedimetric Detection of Calreticulin by a Disposable Immunosensor Modified with a Single-Walled Carbon Nanotube-Conducting Polymer Nanocomposite. ACS Biomater Sci Eng 2022; 8:3773-3784. [PMID: 35920068 DOI: 10.1021/acsbiomaterials.2c00499] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A label-free impedimetric immunosensing system was constructed for ultrasensitive determination of the calreticulin (CALR) biological marker in human serum samples utilizing an electrochemical impedance spectroscopy analysis technique for the first time. The new biosensor fabrication procedure consisted of electrodeposition of single-walled carbon nanotubes (SWCNTs) incorporating polymerization of an oxiran-2-yl methyl 3-(1H-pyrrol-1-yl) propanoate monomer (Pepx) onto a low-cost and disposable indium tin oxide (ITO) electrode. The SWCNTs-PPepx nanocomposite layer was prepared onto the ITO after the one-step fabrication procedure. The fabrication procedure of the immunosensor and the characteristic biomolecular interactions between the anti-CALR and CALR were characterized by electrochemical analysis and morphological monitoring techniques. Under optimum conditions, the proposed biosensor was responsive to CALR concentrations over the detection ranges of 0.015-60 pg/mL linearly, and it had a very low detection limit (4.6 fg/mL) and a favorable sensitivity (0.43 kΩ pg-1 mL cm-2). The reliability of the biosensor system in clinical analysis was investigated by successful quantification of CALR levels in human serum. Moreover, the repeatability and reproducibility results of the biosensor were evaluated by using Dixon, Grubbs, T-test, and F-tests. Consequently, the proposed biosensor was a promising method for scientific, rapid, and successful analysis of CALR in human serum samples.
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Affiliation(s)
- Elif Burcu Aydın
- Scientific and Technological Research Center, Tekirdağ Namık Kemal University, Campus Street, Tekirdağ 59030, Turkey
| | - Muhammet Aydın
- Scientific and Technological Research Center, Tekirdağ Namık Kemal University, Campus Street, Tekirdağ 59030, Turkey
| | - Mustafa Kemal Sezgintürk
- Faculty of Engineering, Bioengineering Department, Çanakkale Onsekiz Mart University, Çanakkale 17100, Turkey
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Mostafa EM, Abdelgawad MA, Musa A, Alotaibi NH, Elkomy MH, Ghoneim MM, Badawy MSEM, Taha MN, Hassan HM, Hamed AA. Chitosan Silver and Gold Nanoparticle Formation Using Endophytic Fungi as Powerful Antimicrobial and Anti-Biofilm Potentialities. Antibiotics (Basel) 2022; 11:antibiotics11050668. [PMID: 35625312 PMCID: PMC9137737 DOI: 10.3390/antibiotics11050668] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/11/2022] [Accepted: 05/14/2022] [Indexed: 11/16/2022] Open
Abstract
Nanotechnology is emerging as a new technology with encouraging innovations. Global antibiotic use has grown enormously, with antibiotic resistance increasing by about 80 percent. In view of this alarming situation, intensive research has been carried out into biogenic nanoparticles and their antibacterial, antifungal, and antitumor activities. Many methods are available to enhance stability and dispersion via peroration of conjugate with a polymer, such as chitosan, and other bioactive natural products. Two marine fungi were isolated and identified as Aspergillus sp. and Alternaria sp. via sequencing of the 16S rRNA gene. In this work, these strains were used to form the conjugation of biogenic silver nanoparticles (AgNPs) from Aspergillus sp. Silv2 extract and gold nanoparticles (AuNPs) from Alternaria sp. Gol2 extracts with chitosan to prepare chitosan–AgNPs and chitosan–AuNP conjugates. A variety of imaging and analytical methods, such as UV–vis, X-ray powder diffraction (XRD), FTIR spectroscopy, transmission electron microscopy (TEM), and scanning electron microscopy (SEM) were utilized to characterize biogenic nanoparticles and conjugates. The biosynthesized Ag and Au nanoparticles along with the prepared conjugates were evaluated for their antimicrobial effects on Gram-negative and Gram-positive bacterial isolates, including Escherichia coli and Staphylococcus aureus. Both chitosan–AgNP and AuNP showed powerful antimicrobial activities compared to the control. On the other hand, chitosan–AgNP conjugation had better antibacterial ctivity than chitosan–AuNPs, which exhibited moderate activity against S. aureus and very low activity against E. coli. Furthermore, the antibiofilm potentials of the prepared conjugates were tested against four biofilm-forming bacteria, including P. aeruginosa, B. subtilis, E. coli, and S. aureus. The obtained results indicate that the chitosan–AgNP showed a promising anti-biofilm activities on all strains, especially S. aureus, while chitosan–AuNP conjugates showed moderate anti-biofilm against B. subtilis and weak activities against the other three strains. These results showed the superiority of chitosan–AgNP as a promising antibacterial as well as biofilm formation inhibitors.
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Affiliation(s)
- Ehab M. Mostafa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia; (E.M.M.); (A.M.)
| | - Mohamed A. Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia
- Correspondence: (M.A.A.); (H.M.H.)
| | - Arafa Musa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia; (E.M.M.); (A.M.)
| | - Nasser Hadal Alotaibi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia;
| | - Mohammed H. Elkomy
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia;
| | - Mohammed M. Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia;
- Pharmacognosy and Medicinal Plants Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Mona Shaban E. M. Badawy
- Department of Microbiology and Immunology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11884, Egypt;
| | - Mostafa N. Taha
- Department of Microbiology and Immunology, Faculty of Pharmacy, Nahda University, Beni-Suef 62764, Egypt;
| | - Hossam M. Hassan
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62513, Egypt
- Correspondence: (M.A.A.); (H.M.H.)
| | - Ahmed A. Hamed
- National Research Centre, Microbial Chemistry Department, 33 El-Buhouth Street, Dokki, Giza 12622, Egypt;
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11
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Casanova A, Iniesta J, Gomis-Berenguer A. Recent progress in the development of porous carbon-based electrodes for sensing applications. Analyst 2022; 147:767-783. [PMID: 35107446 DOI: 10.1039/d1an01978c] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Electrochemical (bio)sensors are considered clean and powerful analytical tools capable of converting an electrochemical reaction between analytes and electrodes into a quantitative signal. They are an important part of our daily lives integrated in various fields such as healthcare, food and environmental monitoring. Several strategies including the incorporation of porous carbon materials in its configuration have been applied to improve their sensitivity and selectivity in the last decade. The porosity, surface area, graphitic structure as well as chemical composition of materials greatly influence the electrochemical performance of the sensors. In this review, activated carbons, ordered mesoporous carbons, graphene-based materials, and MOF-derived carbons, which are used to date as crucial elements of electrochemical devices, are described, starting from their textural and chemical compositions to their role in the outcome of electrochemical sensors. Several relevant and meaningful examples about material synthesis, sensor fabrication and applications are illustrated and described. The closer perspectives of these fascinating materials forecast a promising future for the electrochemical sensing field.
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Affiliation(s)
- Ana Casanova
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, Royal Institute of Technology, KTH, SE-100 44 Stockholm, Sweden
| | - Jesus Iniesta
- Department of Physical Chemistry, University of Alicante, 03080 Alicante, Spain
- Institute of Electrochemistry, University of Alicante, 03080 Alicante, Spain.
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12
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Aydın EB, Aydın M, Sezgintürk MK. Label-free and reagent-less electrochemical detection of nucleocapsid protein of SARS-CoV-2: an ultrasensitive and disposable biosensor. NEW J CHEM 2022. [DOI: 10.1039/d2nj00046f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
SARS-CoV-2 biosensor fabrication steps.
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Affiliation(s)
- Elif Burcu Aydın
- Namık Kemal University, Scientific and Technological Research Center, Tekirdağ, Turkey
| | - Muhammet Aydın
- Namık Kemal University, Scientific and Technological Research Center, Tekirdağ, Turkey
| | - Mustafa Kemal Sezgintürk
- Çanakkale Onsekiz Mart University, Faculty of Engineering, Bioengineering Department, Çanakkale, Turkey
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13
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Gholami MD, O'Mullane AP, Sonar P, Ayoko GA, Izake EL. Antibody coated conductive polymer for the electrochemical immunosensing of Human Cardiac Troponin I in blood plasma. Anal Chim Acta 2021; 1185:339082. [PMID: 34711328 DOI: 10.1016/j.aca.2021.339082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 01/05/2023]
Abstract
Cardiac troponin I (cTnI) is a sensitive biomarker for cardiovascular disease (CVD). Rapid determination of cTnI concentration in blood can greatly reduce the potential of significant heart damage and heart failure. Herein, we demonstrate a new electrochemical immunosensor for selective affinity binding and rapid detection of cTnI in blood plasma by an electrochemical method. A conductive film of "poly 2,5-bis(2-thienyl)3,4-diamine-terthiophene (PDATT)" was deposited onto an Indium Tin Oxide (ITO) electrode using chronoamperometry. Anti-cardiac troponin I antibody was then attached to the two amine (NH2) groups substituted on the central thiophene of terthiophene repeating unit of the polymer chain via amide bond formation. The gaps on the surface of the antibody coated immunosensor were backfilled with bovine serum albumin (BSA) to prevent nonspecific binding of interfering molecules. Differential pulse voltammetry (DPV) was used to determine cTnI upon the formation of cTnI immunocomplex on the sensing surface, appearing a peak at 0.27 V. The response range was 0.01-100 ng mL-1 with limit of quantification down to 0.01 ng mL-1. The developed immunosensor was used to determine cTnI in spiked blood plasma without interference from cardiac troponin T (cTnT). Therefore, this new sensor can be utilised for the detection of cTnI biomarker in pathological laboratories and points of care in less than 15 min.
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Affiliation(s)
- Mahnaz D Gholami
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
| | - Anthony P O'Mullane
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia; Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia.
| | - Prashant Sonar
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia; Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
| | - Godwin A Ayoko
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia; Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
| | - Emad L Izake
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia; Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia.
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14
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Raza S, Li X, Soyekwo F, Liao D, Xiang Y, Liu C. A comprehensive overview of common conducting polymer-based nanocomposites; Recent advances in design and applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110773] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Aydın EB, Aydın M, Sezgintürk MK. New Impedimetric Sandwich Immunosensor for Ultrasensitive and Highly Specific Detection of Spike Receptor Binding Domain Protein of SARS-CoV-2. ACS Biomater Sci Eng 2021; 7:3874-3885. [PMID: 34292712 DOI: 10.1021/acsbiomaterials.1c00580] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An impedance sensing platform-combined conducting nanocomposite layer was fabricated to develop an effective and rapid method for detection of coronavirus infection (COVID-19) specific spike receptor binding domain (RBD) protein, a precious antigen marker of COVID-19 disease. Coronavirus infection has spread globally and swiftly with major impacts on health, economy, and quality of life of communities. Fast and reliable detection of COVID-19 is a very significant issue for the effective treatment of this bad illness. For this aim, first, an Epoxy functional group-substituted thiophene monomer was synthesized and electrodeposited on a single-use indium tin oxide (ITO) platform in the presence of acetylene black by employing a cyclic voltammetry technique; thus, a conducting nanocomposite (C-NC) layer with high conductivity was obtained. This composite was electrodeposited for the first time on the ITO surface to generate a facile and cost-effective impedimetric biosensor. In addition, this composite provided proper attachment points for antibody binding and also supported the biosensor construction. The immuno-specific biointeractions between anti-RBD and RBD proteins hampered the electron transfer between the ITO substrate surface and electrolyte, and this reaction caused variations in impedance signals, and these signals were proportional to the immobilized RBD antigen amounts. The as-prepared immunosensor showed a wide linear dynamic range (0.0012-120 pg/mL), an ultra-low detection limit of 0.58 fg/mL with added superiorities of great selectivity, suitable repeatability, multiple reusability, and excellent reproducibility.
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Affiliation(s)
- Elif Burcu Aydın
- Scientific and Technological Research Center, Tekirdağ Namık Kemal University, Tekirdağ 59030, Turkey
| | - Muhammet Aydın
- Scientific and Technological Research Center, Tekirdağ Namık Kemal University, Tekirdağ 59030, Turkey
| | - Mustafa Kemal Sezgintürk
- Bioengineering Department, Faculty of Engineering, Çanakkale Onsekiz Mart University, Çanakkale 17100, Turkey
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16
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Hernández-Ibáñez N, Montiel V, Gomis-Berenguer A, Ania C, Iniesta J. Effect of confinement of horse heart cytochrome c and formate dehydrogenase from Candida boidinii on mesoporous carbons on their catalytic activity. Bioprocess Biosyst Eng 2021; 44:1699-1710. [PMID: 33813652 PMCID: PMC8238777 DOI: 10.1007/s00449-021-02553-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/12/2021] [Indexed: 12/01/2022]
Abstract
This study reports the immobilization of two biocatalysts (e.g., cytochrome c-Cyt c-and the non-metalloenzyme formate dehydrogenase from Candida boidinii-cbFDH) on a series of mesoporous carbons with controlled pore sizes. The catalytic activity of the nanoconfined proteins was correlated with the pore size distribution of the carbon materials used as supports. The electrochemical behaviour of nanoconfined Cyt c showed direct electron transfer electroactivity in pore sizes matching tightly the protein dimension. The pseudo-peroxidase activity towards H2O2 reduction was enhanced at pH 4.0, due to the protein conformational changes. For cbFDH, the reduction of CO2 towards formic acid was evaluated for the nanoconfined protein, in the presence of nicotinamide adenine dinucleotide (NADH). The carbons displayed different cbFDH uptake capacity, governed by the dimensions of the main mesopore cavities and their accessibility through narrow pore necks. The catalytic activity of nanoconfined cbFDH was largely improved, compared to its performance in free solution. Regardless of the carbon support used, the production of formic acid was higher upon immobilization with lower nominal cbFDH:NADH ratios.
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Affiliation(s)
- Naiara Hernández-Ibáñez
- Physical Chemistry Department and Institute of Electrochemistry, University of Alicante, 03080, Alicante, Spain
| | - Vicente Montiel
- Physical Chemistry Department and Institute of Electrochemistry, University of Alicante, 03080, Alicante, Spain
| | - Alicia Gomis-Berenguer
- CEMHTI, CNRS (UPR 3079) University of Orléans, 45071, Orléans, France.,Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, Royal Institute of Technology, KTH, Teknikringen 30, SE-100 44, Stockholm, Sweden
| | - Conchi Ania
- INCAR, CSIC, Apdo 26, 33011, Oviedo, Spain. .,CEMHTI, CNRS (UPR 3079) University of Orléans, 45071, Orléans, France.
| | - Jesús Iniesta
- Physical Chemistry Department and Institute of Electrochemistry, University of Alicante, 03080, Alicante, Spain.
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17
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Affiliation(s)
- Zhi Yang
- School of Food and Advanced Technology, Massey University, Auckland, New Zealand
| | - Sahraoui Chaieb
- Lawrence Berkeley National Laboratory, Berkeley, California, USA
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18
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Fabrication of electrochemical immunosensor based on acid-substituted poly(pyrrole) polymer modified disposable ITO electrode for sensitive detection of CCR4 cancer biomarker in human serum. Talanta 2021; 222:121487. [DOI: 10.1016/j.talanta.2020.121487] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 07/20/2020] [Accepted: 07/29/2020] [Indexed: 02/07/2023]
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19
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Bensana A, Achi F. Analytical performance of functional nanostructured biointerfaces for sensing phenolic compounds. Colloids Surf B Biointerfaces 2020; 196:111344. [PMID: 32877829 DOI: 10.1016/j.colsurfb.2020.111344] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 08/09/2020] [Accepted: 08/19/2020] [Indexed: 12/14/2022]
Abstract
Electrochemical biointerfaces are constructed with a wide range of nanomaterials and conducting polymers that strongly affect the analytical performance of biosensors. The analysis of progress toward electrochemical sensing platforms offers opportunities to provide devices for commercial use. The investigation of different methods for the synthesis of phenol biointerfaces leads to design challenges in the field of monitoring phenolic compounds. This paper review the innovative strategies and feature techniques in the construction of phenolic compound biosensors. The focus was made on the preparation methods of nanostructures and nanomaterials design for catalytic improvements of sensing interfaces. The paper also provides a comprehensive overview in the field of enzyme immobilization approaches at solid supports and technical formation of polymer nanocomposites, as well as applications of hybrid organic-inorganic nanocomposites in phenolic biosensors. This review also highlights the recent progress in the electrochemical detection of phenolic compounds and summarizes analytical performance parameters including sensitivity, storage stability, limit of detection, linear range, and Michaelis-Menten kinetic analysis. It also emphasizes advances from the past decade including technical challenges for the construction of suitable biointerfaces for monitoring phenolic compounds.
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Affiliation(s)
- Amira Bensana
- Departement of Process Engineering, Laboratoire de Génie des Procédés Chimiques (LGPC), Faculty of Technology, Ferhat Abbas University Sétif-1-, Setif, 19000, Algeria
| | - Fethi Achi
- Laboratory of Valorisation and Promotion of Saharian Ressources (VPSR), Kasdi Merbah University, Ouargla, 30000, Algeria.
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20
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Electrochemical sensing of parabens in solubilized ionic liquid system at polyaniline decorated gold nanoparticles constructed interface. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105379] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Nogueira Pedroza Dias Mello HJ, Bueno PR, Mulato M. Comparing glucose and urea enzymatic electrochemical and optical biosensors based on polyaniline thin films. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4199-4210. [PMID: 32789344 DOI: 10.1039/d0ay01018a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Analytical sensors that can detect chemical (including biological) analytes are becoming increasingly widespread within the field of analytical chemistry. More than this, in a world tending towards the 'internet-of-things', the miniaturization of such devices is becoming increasingly urgent. Accordingly, electrochemical methods that are simultaneously multiplexable and effective at a miniature scale are receiving much attention. In the present work, we compare the label-free electrochemical response of enzymatic biosensors with the response of their optical counterpart. As a proof-of-concept we compare the electrochemical impedimetric response and the first time described capacitive response of enzymatic biosensors to their optical reflectance response (measured in the visible region using a portable handset spectrophotometer). The target was the detection of glucose and urea. The chemical platform of the sensors was composed of enzymatically functionalized polyaniline thin films. Sensitivity, linearity, and the limit of detection were analyzed for both electrochemical and optical instrumental settings. We found that the impedimetric/capacitive electrochemical setup produced a response that was of a similar quality to the optical response (sensitivities of 10.7 ± 0.7, 7.4 ± 0.7 and 4.3 ± 0.2% per decade for impedimetric, capacitive and optical glucose biosensors, respectively) with a broader linear range (10-4 to 10-1 mol L-1 for both glucose and urea biosensors) and similar limit-of-detection in the range of 1 μmol L-1 within a relevant and practical diagnosis range for biomedical applications.
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Affiliation(s)
- Hugo José Nogueira Pedroza Dias Mello
- Department of Physics, Faculty of Philosophy, Sciences and Letters at Ribeirao Preto, University of Sao Paulo - USP, 14040-901, Ribeirao Preto, SP, Brazil.
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22
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Khlyustova A, Cheng Y, Yang R. Vapor-deposited functional polymer thin films in biological applications. J Mater Chem B 2020; 8:6588-6609. [PMID: 32756662 PMCID: PMC7429282 DOI: 10.1039/d0tb00681e] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Functional polymer coatings have become ubiquitous in biological applications, ranging from biomaterials and drug delivery to manufacturing-scale separation of biomolecules using functional membranes. Recent advances in the technology of chemical vapor deposition (CVD) have enabled precise control of the polymer chemistry, coating thickness, and conformality. That comprehensive control of surface properties has been used to elicit desirable interactions at the interface between synthetic materials and living organisms, making vapor-deposited functional polymers uniquely suitable for biological applications. This review captures the recent technological development in vapor-deposited functional polymer coatings, highlighting their biological applications, including membrane-based bio-separations, biosensing and bio-MEMS, drug delivery, and tissue engineering. The conformal nature of vapor-deposited coatings ensures uniform coverage over micro- and nano-structured surfaces, allowing the independent optimization of surface and bulk properties. The substrate-independence of CVD techniques enables facile transfer of surface characteristics among different applications. The vapor-deposited functional polymer thin films tend to be biocompatible because they are free of remnant toxic solvents and precursor molecules, potentially lowering the barrier to clinical success.
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Affiliation(s)
- Alexandra Khlyustova
- Robert F. Smith School of Chemical & Biomolecular Engineering, Cornell University, Ithaca, New York 14850, USA.
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23
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Aydın EB. Highly sensitive impedimetric immunosensor for determination of interleukin 6 as a cancer biomarker by using conjugated polymer containing epoxy side groups modified disposable ITO electrode. Talanta 2020; 215:120909. [DOI: 10.1016/j.talanta.2020.120909] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/04/2020] [Accepted: 03/07/2020] [Indexed: 12/25/2022]
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24
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Chen H, Cui C, Ma X, Yang W, Zuo Y. Amperometric Biosensor for
Brucella
Testing through Molecular Orientation Technology in Combination with Signal Amplification Technology. ChemElectroChem 2020. [DOI: 10.1002/celc.202000569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hongshuo Chen
- Shanxi Agricultural UniversityCollege of Engineering Taigu 030801 P.R. China
- North China University of Science and TechnologyCollege of Electrical Engineering Tangshan 063210 P.R.China
| | - Chuanjin Cui
- North China University of Science and TechnologyCollege of Electrical Engineering Tangshan 063210 P.R.China
| | - Xuegang Ma
- North China University of Science and TechnologyInstrumental Analysis Center Tangshan 063210 P.R.China
| | - Wei Yang
- Shanxi Agricultural UniversityCollege of Engineering Taigu 030801 P.R. China
| | - Yueming Zuo
- Shanxi Agricultural UniversityCollege of Engineering Taigu 030801 P.R. China
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25
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Erol E, Yildirim E, Cete S. Construction of biosensor for hypoxanthine determination by immobilization of xanthine oxidase and uricase in polypyrrole-paratoluenesulfonate film. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04715-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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26
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Kausaite-Minkstimiene A, Glumbokaite L, Ramanaviciene A, Ramanavicius A. Reagent-less amperometric glucose biosensor based on nanobiocomposite consisting of poly(1,10-phenanthroline-5,6-dione), poly(pyrrole-2-carboxylic acid), gold nanoparticles and glucose oxidase. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104665] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Mello HJNPD, Mulato M. Enzymatically functionalized polyaniline thin films produced with one-step electrochemical immobilization and its application in glucose and urea potentiometric biosensors. Biomed Microdevices 2020; 22:22. [PMID: 32108910 DOI: 10.1007/s10544-020-00478-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Glucose and urea enzymatic biosensors were fabricated. One-step electrochemical immobilization process was used to produce thin polyaniline films with entrapped enzymes. Chronopotentiometric analysis, scanning electron microscopy, electrochemical impedance spectroscopy and optical reflectance spectroscopy were used to determine the structure-property relationship of the functionalized polymeric thin films. The device has a recognition stage connected to a potentiometric field-effect-transistor stage and is based on the measurement of microenvironment pH variation or locally produced ions. Optimization of biosensor fabrication and effective measurement conditions were performed. The optimized films presented sensitivity, linearity and detection range to glucose of 14.6 ± 0.4 mV/decade, 99.8% and from 10-4 M to 10-1 mol/L. Two different biosensors were produced based on the enzymatic reaction of urea with selectivity to ammonium or hydroxyl ions. For ammonium ion selective film, the sensor's parameters were 14.7 ± 0.9 mV/decade, 98.2% and from 10-5 to 10-1 mol/L. For the hydroxyl ion selective film, the same parameters were 7.4 ± 0.5 mV/decade, 98.1% and from 10-5 to 10-1 mol/L. The change in the oxidation state of the polymeric matrix explains: i) the large loss of functionality of glucose biosensor in time, ii) the conservation of functionality to the hydroxyl ions for urea biosensor and iii) the selectivity variation of the ammonium ion selective urea biosensor. The results indicate that the polymeric matrix has indeed changeable selectivity, what can be applied in different situations for biosensors production.
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Affiliation(s)
- Hugo José Nogueira Pedroza Dias Mello
- Department of Physics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo - USP, Av. Bandeirantes 3900, Ribeirão Preto, SP, 14040-901, Brazil.
| | - Marcelo Mulato
- Department of Physics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo - USP, Av. Bandeirantes 3900, Ribeirão Preto, SP, 14040-901, Brazil
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28
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Falohun T, McShane MJ. An Optical Urate Biosensor Based on Urate Oxidase and Long-Lifetime Metalloporphyrins. SENSORS (BASEL, SWITZERLAND) 2020; 20:E959. [PMID: 32053932 PMCID: PMC7070708 DOI: 10.3390/s20040959] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/26/2020] [Accepted: 01/28/2020] [Indexed: 05/26/2023]
Abstract
Gout is a condition that affects over 8 million Americans. This condition is characterized by severe pain, and in more advanced cases, bone erosion and joint destruction. This study explores the fabrication and characterization of an optical, enzymatic urate biosensor for gout management, and the optimization of the biosensor response through the tuning of hydrogel matrix properties. Sensors were fabricated through the co-immobilization of oxygen-quenched phosphorescent probes with an oxidoreductase within a biocompatible copolymer hydrogel matrix. Characterization of the spectral properties and hydrogel swelling was conducted, as well as evaluation of the response sensitivity and long-term stability of the urate biosensor. The findings indicate that increased acrylamide concentration improved the biosensor response by yielding an increased sensitivity and reduced lower limit of detection. However, the repeatability and stability tests highlighted some possible areas of improvement, with a consistent response drift observed during repeatability testing and a reduction in response seen after long-term storage tests. Overall, this study demonstrates the potential of an on-demand, patient-friendly gout management tool, while paving the way for a future multi-analyte biosensor based on this sensing platform.
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Affiliation(s)
- Tokunbo Falohun
- Department of Biomedical Engineering, 5045 Emerging Technologies Building, 3120 TAMU, Texas A&M University, College Station, TX 77843, USA;
| | - Michael J. McShane
- Department of Biomedical Engineering, 5045 Emerging Technologies Building, 3120 TAMU, Texas A&M University, College Station, TX 77843, USA;
- Department of Materials Science and Engineering, 3003 TAMU, Texas A&M University, College Station, TX 77843, USA
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29
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LaFreniere JMJ, Roberge EJ, Halpern JM. Reorientation of Polymers in an Applied Electric Field for Electrochemical Sensors. JOURNAL OF THE ELECTROCHEMICAL SOCIETY 2020; 167:037556. [PMID: 32265575 PMCID: PMC7138228 DOI: 10.1149/1945-7111/ab6cfe] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This mini review investigates the relationship and interactions of polymers under an applied electric field (AEF) for sensor applications. Understanding how and why polymers are reoriented and manipulated by under an AEF is essential for future growth in polymer-based electrochemical sensors. Examples of polymers that can be manipulated in an AEF for sensor applications are provided. Current methods of monitoring polymer reorientation will be described, but new techniques are needed characterize polymer response to various AEF stimuli. The unique and reproducible stimuli response of polymers elicited by an AEF has significant potential for growth in the sensing community.
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Affiliation(s)
| | - Emma J. Roberge
- Department of Chemical Engineering, University of New Hampshire, Durham, USA
| | - Jeffrey M. Halpern
- Department of Chemical Engineering, University of New Hampshire, Durham, USA
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30
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Aydın EB, Aydın M, Sezgintürk MK. The development of an ultra-sensitive electrochemical immunosensor using a PPyr-NHS functionalized disposable ITO sheet for the detection of interleukin 6 in real human serums. NEW J CHEM 2020. [DOI: 10.1039/d0nj03183f] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A label-free biosensor based on poly(pyrrole N-hydroxy succinimide) polymer modified ITO electrode was developed for sensitive detection of interleukin 6 antigen. Under optimized conditions, it had a wide detection range (0.03–22.5 pg mL−1).
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Affiliation(s)
- Elif Burcu Aydın
- Namık Kemal University
- Scientific and Technological Research Center
- Tekirdağ
- Turkey
| | - Muhammet Aydın
- Namık Kemal University
- Scientific and Technological Research Center
- Tekirdağ
- Turkey
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31
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Humeres E, Canle M, Lopes CN, Santaballa JA, Debacher NA, Moreira RDFPM, Safin V, Pérez MIF. Photo-immobilization of proteins on carbons. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2020; 202:111675. [PMID: 31733612 DOI: 10.1016/j.jphotobiol.2019.111675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 10/16/2019] [Accepted: 10/26/2019] [Indexed: 06/10/2023]
Abstract
The photofunctionalization of three different carbons with two proteins was studied at room temperature. Water solutions of bovine serum albumin, BSA, and α-amylase, AA, were photolyzed at 21 °C in the presence of graphite microparticles (6.20 μm), MPG, graphene oxide, MPGO, and graphene oxide modified with SO2, mMPGO. The insertion of BSA on carbon matrixes occurred with a deoxygenation reaction, most likely due to a dehydration step of a water molecule. XPS, TOC and TGA, showed that the BSA photo-insertion on MPG was highly efficient with 34.9% of the weight of MPG after photolysis, with an initial concentration of 1 g∙L-1 of BSA. A high yield of AA photoinsertion on the carbons was also obtained. The calculated weight of AA inserted on MPG and MPGO after photolysis was 22.30% and 18.08%, respectively, with respect to the initial weight of carbon, when the initial concentration of AA was 60 mg∙L-1. AA immobilized on MPG was active while the enzyme on MPGO showed a smaller activity, within the experimental error. Although a certain extent of denaturalization of both proteins was observed during photolysis, the molecular weight and composition changed very little during the photolysis, which would produce mainly conformational changes and isomerization reactions.
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Affiliation(s)
- Eduardo Humeres
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
| | - Moisés Canle
- Universidade da Coruña, Grupo Reactividade Química e Fotorreactividade (React!), Departamento de Química, Facultade de Ciencias & CICA, E-15071 A Coruña, Spain
| | - Cristiane Nunes Lopes
- Departamento de Engenharia Química e de Alimentos, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - J Arturo Santaballa
- Universidade da Coruña, Grupo Reactividade Química e Fotorreactividade (React!), Departamento de Química, Facultade de Ciencias & CICA, E-15071 A Coruña, Spain
| | - Nito Angelo Debacher
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Regina de F P M Moreira
- Departamento de Engenharia Química e de Alimentos, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Vladimir Safin
- Universidade da Coruña, Grupo Reactividade Química e Fotorreactividade (React!), Departamento de Química, Facultade de Ciencias & CICA, E-15071 A Coruña, Spain; Department of Chemistry and Technology of Natural Energy Carriers and Carbon Materials, Siberian Federal University, Russia
| | - M Isabel Fernández Pérez
- Universidade da Coruña, Grupo Reactividade Química e Fotorreactividade (React!), Departamento de Química, Facultade de Ciencias & CICA, E-15071 A Coruña, Spain
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32
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Poly (3, 4-ethylene dioxythiophene) Supported Palladium Catalyst prepared by Galvanic Replacement Reaction for Methanol Tolerant Oxygen Reduction. Sci Rep 2019; 9:19184. [PMID: 31844318 PMCID: PMC6915768 DOI: 10.1038/s41598-019-55688-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/02/2019] [Indexed: 11/09/2022] Open
Abstract
Herein, we propose a facile electrochemical approach for the synthesis of Pd loaded poly 3, 4-ethylenedioxythiophene (PEDOT) electrodeposited on glassy carbon electrode (GCE) resulting in high surface area. The catalyst preparation is initiated with EDOT polymerization on GCE surface by electrochemical potential cycling method, followed by the electrodeposition of Cu from a 2 mM solution of CuSO4 in 0.1 M NaClO4 at a constant potential of +0.34 V vs. SHE in the form of Cu nanocubes on the PEDOT surface. Pd-PEDOT catalyst was then prepared by the partial substitution of copper by galvanic displacement with various concentrations of PdCl2. The prepared Pd/PEDOT electrocatalyst is found to be methanol resistant indicating its usefulness as fuel cell cathode. The prepared catalyst supports two electron transfer of oxygen reduction reaction in 0.5 M H2SO4. The effects of Pd and Cu contents and the quantity of PEDOT, mass and specific activities were studied. At a relatively low Pd loading of 0.57 ng/cm2, the Pd/PEDOT should be a cost-effective alternative cathode catalyst for direct methanol fuel cells, DMFCs. This work explains the usefulness of PEDOT as good catalyst supporting material which is prepared by an eco-friendly electrochemical route.
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33
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Temoçin Z. Fabrication of a κ-carrageenan-based electroactive cytochrome c multilayer thin film by an electrostatic layer-by-layer assembly. Bioelectrochemistry 2019; 129:34-41. [DOI: 10.1016/j.bioelechem.2019.04.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 04/27/2019] [Accepted: 04/27/2019] [Indexed: 11/29/2022]
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34
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Jiang Y, Wu J. Recent development in chitosan nanocomposites for surface-based biosensor applications. Electrophoresis 2019; 40:2084-2097. [PMID: 31081120 DOI: 10.1002/elps.201900066] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 05/03/2019] [Accepted: 05/06/2019] [Indexed: 01/16/2023]
Abstract
Recent years have witnessed ever expanding use of biosensors in the fields of environmental monitoring, homeland security, pharmaceutical, food and bioprocessing, and agricultural industries. To produce effective and reliable biosensors, good quality immobilization of biological recognition elements is critical. Chitosan and its nanocomposites emerge as an excellent immobilization matrix on biosensor surface. As a natural polysaccharide, chitosan has many useful characteristics, such as high permeability and mechanical strength, biocompatibility and non-toxicity, availability, and low cost. Due to the presence of amino and hydroxyl groups on chitosan, chitosan can easily crosslink with a variety of nanomaterials. This investigation of chitosan nanocomposite-based biosensors presents recent development and innovations in the preparation of chitosan nanocomposites in coordination with biosensors for various bio-detection applications, including chitosan nanocomposites formed with carbon nanomaterials, various inorganic and biological complexes. These chitosan nanocomposite based biosensors have demonstrated good sensitivity selectivity and stability for the detection of different types of targets ranging from glucose, proteins, DNAs, small biomolecules to bacteria. It is in our hope that this review will offer guidance for the development of novel biosensors and open up opportunities in the field of biosensor research.
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Affiliation(s)
- Yu Jiang
- Electrical and Computer Engineering, The University of Tennessee, Knoxville, USA
| | - Jayne Wu
- Electrical and Computer Engineering, The University of Tennessee, Knoxville, USA
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Prajapati DG, Kandasubramanian B. Progress in the Development of Intrinsically Conducting Polymer Composites as Biosensors. MACROMOL CHEM PHYS 2019; 220:1800561. [PMID: 32327916 PMCID: PMC7168478 DOI: 10.1002/macp.201800561] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 02/25/2019] [Indexed: 12/22/2022]
Abstract
Biosensors are analytical devices which find extensive applications in fields such as the food industry, defense sector, environmental monitoring, and in clinical diagnosis. Similarly, intrinsically conducting polymers (ICPs) and their composites have lured immense interest in bio-sensing due to their various attributes like compatibility with biological molecules, efficient electron transfer upon biochemical reactions, loading of bio-reagent, and immobilization of biomolecules. Further, they are proficient in sensing diverse biological species and compounds like glucose (detection limit ≈0.18 nm), DNA (≈10 pm), cholesterol (≈1 µm), aptamer (≈0.8 pm), and also cancer cells (≈5 pm mL-1) making them a potential candidate for biological sensing functions. ICPs and their composites have been extensively exploited by researchers in the field of biosensors owing to these peculiarities; however, no consolidated literature on the usage of conducting polymer composites for biosensing functions is available. This review extensively elucidates on ICP composites and doped conjugated polymers for biosensing functions of copious biological species. In addition, a brief overview is provided on various forms of biosensors, their sensing mechanisms, and various methods of immobilizing biological species along with the life cycle assessment of biosensors for various biosensing applications, and their cost analysis.
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Affiliation(s)
- Deepak G. Prajapati
- Nano Texturing LaboratoryDepartment of Metallurgical and Materials EngineeringDefence Institute of Advanced TechnologyMinistry of DefenceGirinagarPune411025India
| | - Balasubramanian Kandasubramanian
- Nano Texturing LaboratoryDepartment of Metallurgical and Materials EngineeringDefence Institute of Advanced TechnologyMinistry of DefenceGirinagarPune411025India
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Contreras-Naranjo JE, Aguilar O. Suppressing Non-Specific Binding of Proteins onto Electrode Surfaces in the Development of Electrochemical Immunosensors. BIOSENSORS 2019; 9:E15. [PMID: 30669262 PMCID: PMC6468902 DOI: 10.3390/bios9010015] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/07/2019] [Accepted: 01/13/2019] [Indexed: 12/12/2022]
Abstract
Electrochemical immunosensors, EIs, are systems that combine the analytical power of electrochemical techniques and the high selectivity and specificity of antibodies in a solid phase immunoassay for target analyte. In EIs, the most used transducer platforms are screen printed electrodes, SPEs. Some characteristics of EIs are their low cost, portability for point of care testing (POCT) applications, high specificity and selectivity to the target molecule, low sample and reagent consumption and easy to use. Despite all these attractive features, still exist one to cover and it is the enhancement of the sensitivity of the EIs. In this review, an approach to understand how this can be achieved is presented. First, it is necessary to comprise thoroughly all the complex phenomena that happen simultaneously in the protein-surface interface when adsorption of the protein occurs. Physicochemical properties of the protein and the surface as well as the adsorption phenomena influence the sensitivity of the EIs. From this point, some strategies to suppress non-specific binding, NSB, of proteins onto electrode surfaces in order to improve the sensitivity of EIs are mentioned.
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Affiliation(s)
- Jesús E Contreras-Naranjo
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias. Ave. Eugenio Garza Sada 2501, Monterrey 64849, N.L., Mexico.
| | - Oscar Aguilar
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias. Ave. Eugenio Garza Sada 2501, Monterrey 64849, N.L., Mexico.
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Kim HJ, Choi UJ, Kim H, Lee K, Park KB, Kim HM, Kwak DK, Chi SW, Lee JS, Kim KB. Translocation of DNA and protein through a sequentially polymerized polyurea nanopore. NANOSCALE 2019; 11:444-453. [PMID: 30398270 DOI: 10.1039/c8nr06229c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Here, we investigated the translocation of biomolecules, such as DNA and protein, through a sequentially polymerized polyurea nanopore, with a thin (<10 nm) polymer membrane of uniform thickness. The polyurea membrane was synthesized by molecular layer deposition using p-phenylenediisocyanate (PDI) and p-phenylenediamine (PDA) as sequential precursors. The membrane exhibited a hydrophobic surface with a highly negative surface charge density (-51 mC m-2 at pH 8). It was particularly noted that the high surface charge density of the membrane resulted in a highly developed electro-osmotic flow which, in turn, strongly influenced the capture probability of biomolecules, depending on the balance between the electro-osmotic and electrophoretic forces. For instance, the capture frequency of negatively charged DNA was demonstrated to be quite low, since these two forces more or less cancelled each other, whereas that of positively charged MDM2 was much higher, since these two forces were additive. We also identified that the mean translocation time of MDM2 through the polyurea nanopore was 26.1 ± 3.7 μs while that of the SiN nanopore was 14.2 ± 2.0 μs, hence suggesting that the enhanced electrostatic interaction between positively charged MDM2 and the negatively charged pore surface affects the translocation speed.
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Affiliation(s)
- Hyung-Jun Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea.
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Hlongwane GN, Dodoo-Arhin D, Wamwangi D, Daramola MO, Moothi K, Iyuke SE. DNA hybridisation sensors for product authentication and tracing: State of the art and challenges. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2019. [DOI: 10.1016/j.sajce.2018.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Wu J, Wang R, Lu Y, Jia M, Yan J, Bian X. Facile Preparation of a Bacteria Imprinted Artificial Receptor for Highly Selective Bacterial Recognition and Label-Free Impedimetric Detection. Anal Chem 2018; 91:1027-1033. [DOI: 10.1021/acs.analchem.8b04314] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jikui Wu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ruinan Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yunfei Lu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Min Jia
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Juan Yan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Xiaojun Bian
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Product on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
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40
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Kwon OS, Song HS, Park TH, Jang J. Conducting Nanomaterial Sensor Using Natural Receptors. Chem Rev 2018; 119:36-93. [DOI: 10.1021/acs.chemrev.8b00159] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Oh Seok Kwon
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
- Nanobiotechnology and Bioinformatics (Major), University of Science & Technology (UST), Daejon 34141, Republic of Korea
| | - Hyun Seok Song
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Division of Bioconvergence Analysis, Korea Basic Science Institute (KBSI), Cheongju 28119, Republic of Korea
- Center for Convergent Research of Emerging Virus Infection, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Tai Hyun Park
- School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Jyongsik Jang
- School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
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Plekhanova Y, Tarasov S, Kolesov V, Kuznetsova I, Signore M, Quaranta F, Reshetilov A. Effects of Polymer Matrices and Carbon Nanotubes on the Generation of Electric Energy in a Microbial Fuel Cell. MEMBRANES 2018; 8:E99. [PMID: 30366368 PMCID: PMC6315946 DOI: 10.3390/membranes8040099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 10/12/2018] [Accepted: 10/22/2018] [Indexed: 11/16/2022]
Abstract
The anode of a microbial fuel cell (MFC) was formed on a graphite electrode and immobilized Gluconobacter oxydans VKM-1280 bacterial cells. Immobilization was performed in chitosan, poly(vinyl alcohol) or N-vinylpyrrolidone-modified poly(vinyl alcohol). Ethanol was used as substrate. The anode was modified using multiwalled carbon nanotubes. The aim of the modification was to create a conductive network between cell lipid membranes, containing exposed pyrroloquinoline quinone (PQQ)-dependent alcoholdehydrogenases, and the electrode to facilitate electron transfer in the system. The bioelectrochemical characteristics of modified anodes at various cell/polymer ratios were assessed via current density, power density, polarization curves and impedance spectres. Microbial fuel cells based on chitosan at a matrix/cell volume ratio of 5:1 produced maximal power characteristics of the system (8.3 μW/cm²) at a minimal resistance (1111 Ohm cm²). Modification of the anode by multiwalled carbon nanotubes (MWCNT) led to a slight decrease of internal resistance (down to 1078 Ohm cm²) and to an increase of generated power density up to 10.6 μW/cm². We explored the possibility of accumulating electric energy from an MFC on a 6800-μF capacitor via a boost converter. Generated voltage was increased from 0.3 V up to 3.2 V. Accumulated energy was used to power a Clark-type biosensor and a Bluetooth transmitter with three sensors, a miniature electric motor and a light-emitting diode.
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Affiliation(s)
- Yulia Plekhanova
- FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia.
| | - Sergei Tarasov
- FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia.
- FSBIS V.A. Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow 125009, Russia.
| | - Vladimir Kolesov
- FSBIS V.A. Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow 125009, Russia.
| | - Iren Kuznetsova
- FSBIS V.A. Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow 125009, Russia.
| | - Maria Signore
- CNR, Institute for Microelectronics and Microsystems, Via Monteroni, 73100 Lecce, Italy.
| | - Fabio Quaranta
- CNR, Institute for Microelectronics and Microsystems, Via Monteroni, 73100 Lecce, Italy.
| | - Anatoly Reshetilov
- FSBIS G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia.
- FSBIS V.A. Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow 125009, Russia.
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Aydın M, Aydın EB, Sezgintürk MK. A highly selective electrochemical immunosensor based on conductive carbon black and star PGMA polymer composite material for IL-8 biomarker detection in human serum and saliva. Biosens Bioelectron 2018; 117:720-728. [DOI: 10.1016/j.bios.2018.07.010] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 07/04/2018] [Accepted: 07/09/2018] [Indexed: 01/20/2023]
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Deshmukh MA, Bodkhe GA, Shirsat S, Ramanavicius A, Shirsat MD. Nanocomposite Platform Based on EDTA Modified Ppy/SWNTs for the Sensing of Pb(II) Ions by Electrochemical Method. Front Chem 2018; 6:451. [PMID: 30327766 PMCID: PMC6174202 DOI: 10.3389/fchem.2018.00451] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 09/11/2018] [Indexed: 11/13/2022] Open
Abstract
Heavy metal ions are considered as one of the major water pollutants, revealing health hazards as well as threat to the ecosystem. Therefore, investigation of most versatile materials for the sensitive and selective detection of heavy metal ions is need of the hour. Proposed work emphasizes the synthesis of conducting polymer and carbon nanotube nanocomposite modified with chelating ligand for the detection of heavy metal ions. Carbon nanotubes are having well known features such as tuneable conductivity, low density, good charge transport ability, and current carrying capacity. Conducting polymers are the most reliable materials for sensing applications due to their environmental stability and tuning of conductivity by doping and de-doping. Formation of nanocomposite of these two idealistic materials is advantageous over the individual material, which can help to tackle the individual limitations of these materials and can form versatile materials with ideal chemical and electrical properties. Chelating ligands are the most favorable materials due to their ability of complex formation with metal ions. The present work possesses a sensing platform based on conducting polymer and carbon nanotube nanocomposite, which is stable in various aqueous media and possess good charge transfer ability. Chelating ligands played an important role in the increased selectivity toward metal ions. Moreover, in present investigation Ethylenediaminetetraacetic acid (EDTA) functionalized polypyrrole (Ppy) and single walled carbon nanotubes (SWNTs) nanocomposite was successfully synthesized by electrochemical method on stainless steel electrode (SSE). The electrochemical detection of Pb(II) ions using EDTA-Ppy/SWNTs nanocomposite was done from aqueous media. Cyclic voltammetry technique was utilized for the electrochemical synthesis of Ppy/SWNTs nanocomposite. Ppy/SWNTs nanocomposite was further modified with EDTA using dip coating technique at room temperature. The EDTA-Ppy/SWNTs modified stainless steel electrode (SSE) exhibited good sensitivity and selectivity toward heavy metal ions [Pb(II)]. Detection limit achieved for Pb(II) ions was 0.07 μM.
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Affiliation(s)
- Megha A Deshmukh
- Department of Physics, RUSA-Center for Advanced Sensor Technology, Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | - Gajanan A Bodkhe
- Department of Physics, RUSA-Center for Advanced Sensor Technology, Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | | | - Arunas Ramanavicius
- Department of Physical Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Vilnius, Lithuania.,Laboratory of Nanotechnology, State Research Institute Center for Physical Sciences and Technology, Vilnius, Lithuania
| | - Mahendra D Shirsat
- Department of Physics, RUSA-Center for Advanced Sensor Technology, Babasaheb Ambedkar Marathwada University, Aurangabad, India
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Saravanakumar K, Chelliah R, MubarakAli D, Jeevithan E, Oh DH, Kathiresan K, Wang MH. Fungal enzyme-mediated synthesis of chitosan nanoparticles and its biocompatibility, antioxidant and bactericidal properties. Int J Biol Macromol 2018; 118:1542-1549. [PMID: 30170364 DOI: 10.1016/j.ijbiomac.2018.06.198] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 06/29/2018] [Accepted: 06/30/2018] [Indexed: 12/13/2022]
Abstract
This paper reports the synthesis of chitosan nanoparticles (T-CSNPs) using the fungal enzyme of Trichoderma harzianum and its biocompatibility, antioxidant and bactericidal properties. The T-CSNPs synthesis was confirmed by absorbance at 280 nm using UV-Vis spectrophotometer. T-CSNPs were of spherical shape, as evident by field emission transmission electron microscopic (FETEM) analysis, and the average size of T-CSNPs was 90.8 nm, as calculated using particle size analyzer (PSA). The functional groups showed modifications of chitosan in T-CSNPs as evident by fourier-transform infrared spectroscopic (FTIR) analysis. T-CSNPs were found soluble at the wide range of pH, showing 100% solubility at pH 1-3 and 72% at pH 10. The T-CSNPs exhibited antioxidant property in a dose-dependent manner with pronounced activity at 100 mg·mL-1. The T-CSNPs also showed bactericidal activity against Staphylococcus aureus and Salmonella enterica Typhimurium by causing detrimental effects on bacterial cells. The T-CSNPs (50 μg·mL-1) did not display any cytotoxic effect on murine fibroblast NIH-3T3 cells, as evident by cell viability and acridine orange/ethidium bromide staining assays, which confirmed biocompatibility of the nanoparticles. This work suggested further investigations on the utilization of the mycosynthesized nanochitosan in biomedical applications.
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Affiliation(s)
- Kandasamy Saravanakumar
- Department of Medical Biotechnology, College of Biomedical Sciences, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology College of Biotechnology and Bioscience, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Davoodbasha MubarakAli
- National Repository for Microalgae and Cyanobacteria - Freshwater (DBT, Govt. of India), Department of Microbiology, Bharathidasan University, Tiruchirappalli 620024, India
| | - Elango Jeevithan
- Department of Marine Pharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology College of Biotechnology and Bioscience, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Kandasamy Kathiresan
- Centre of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai 608 502, Tamil Nadu, India
| | - Myeong-Hyeon Wang
- Department of Medical Biotechnology, College of Biomedical Sciences, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea.
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Liu N, Hui N, Davis JJ, Luo X. Low Fouling Protein Detection in Complex Biological Media Supported by a Designed Multifunctional Peptide. ACS Sens 2018; 3:1210-1216. [PMID: 29771110 DOI: 10.1021/acssensors.8b00318] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The construction of sensitive and selective biosensors capable of detecting specific targets in complex biological samples remains a challenge highly relevant to a range of sensor/diagnostic applications. Herein, we have utilized a multifunctional peptide to present an interface that supports the very specific recruitment of targets from serum. The novel peptide sequence designed contains an anchoring domain (CPPPP-), an antifouling domain (-NQNQNQNQDHWRGWVA), and a human immunoglobulin G (IgG) recognition domain (-HWRGWVA), and the whole peptide was designed to be antifouling. These were integrated into polyaniline nanowire arrays in supporting the quantification of IgG (with a limit of detection of 0.26 ng mL-1) in neat serum and real clinical samples. The strategy of utilizing multisegment peptide films to underpin highly selective target recruitment is, of course, readily extended to a broad range of targets for which an affinity sequence can be generated.
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Affiliation(s)
- Nianzu Liu
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Ni Hui
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- College of Chemistry and Pharmacy, Qingdao Agricultural University, Qingdao 266109, China
| | - Jason J. Davis
- Department of Chemistry, University of Oxford, Oxford OX1 3QZ, United Kingdom
| | - Xiliang Luo
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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46
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Hasanzadeh M, Shadjou N, de la Guardia M. Nanosized hydrophobic gels: Advanced supramolecules for use in electrochemical bio- and immunosensing. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.02.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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47
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Kausaite-Minkstimiene A, Glumbokaite L, Ramanaviciene A, Dauksaite E, Ramanavicius A. An Amperometric Glucose Biosensor Based on Poly (Pyrrole-2-Carboxylic Acid)/Glucose Oxidase Biocomposite. ELECTROANAL 2018. [DOI: 10.1002/elan.201800044] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Asta Kausaite-Minkstimiene
- NanoTechnas - Centre of Nanotechnology and Material Science, Institute of Chemistry, Faculty of Chemistry and Geosciences; Vilnius University; Naugarduko str. 24 LT-03225 Vilnius Lithuania
- Department of Immunology; State Research Institute Centre for Innovative Medicine; Santariskiu str. 5 LT-08406 Vilnius Lithuania
| | - Laura Glumbokaite
- NanoTechnas - Centre of Nanotechnology and Material Science, Institute of Chemistry, Faculty of Chemistry and Geosciences; Vilnius University; Naugarduko str. 24 LT-03225 Vilnius Lithuania
| | - Almira Ramanaviciene
- NanoTechnas - Centre of Nanotechnology and Material Science, Institute of Chemistry, Faculty of Chemistry and Geosciences; Vilnius University; Naugarduko str. 24 LT-03225 Vilnius Lithuania
| | - Elena Dauksaite
- NanoTechnas - Centre of Nanotechnology and Material Science, Institute of Chemistry, Faculty of Chemistry and Geosciences; Vilnius University; Naugarduko str. 24 LT-03225 Vilnius Lithuania
| | - Arunas Ramanavicius
- Department of Physical Chemistry, Institute of Chemistry, Faculty of Chemistry and Geosciences; Vilnius University; Naugarduko str. 24 LT-03225 Vilnius Lithuania
- Laboratory of NanoTechnology, Institute of Semiconductor Physics; State Research Institute Centre for Physical and Technological Sciences; A. Gostautog. 11 LT-01108 Vilnius Lithuania
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48
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Development of electrochemical biosensors with various types of zeolites. APPLIED NANOSCIENCE 2018. [DOI: 10.1007/s13204-018-0725-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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49
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Yáñez-Sedeño P, Campuzano S, Pingarrón JM. Integrated Affinity Biosensing Platforms on Screen-Printed Electrodes Electrografted with Diazonium Salts. SENSORS 2018; 18:s18020675. [PMID: 29495294 PMCID: PMC5854980 DOI: 10.3390/s18020675] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 02/15/2018] [Accepted: 02/20/2018] [Indexed: 02/06/2023]
Abstract
Adequate selection of the electrode surface and the strategies for its modification to enable subsequent immobilization of biomolecules and/or nanomaterials integration play a major role in the performance of electrochemical affinity biosensors. Because of the simplicity, rapidity and versatility, electrografting using diazonium salt reduction is among the most currently used functionalization methods to provide the attachment of an organic layer to a conductive substrate. This particular chemistry has demonstrated to be a powerful tool to covalently immobilize in a stable and reproducible way a wide range of biomolecules or nanomaterials onto different electrode surfaces. Considering the great progress and interesting features arisen in the last years, this paper outlines the potential of diazonium chemistry to prepare single or multianalyte electrochemical affinity biosensors on screen-printed electrodes (SPEs) and points out the existing challenges and future directions in this field.
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Affiliation(s)
- Paloma Yáñez-Sedeño
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - Susana Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - José M Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
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50
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Immobilization of cytochrome c and its application as electrochemical biosensors. Talanta 2018; 176:195-207. [DOI: 10.1016/j.talanta.2017.08.039] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/09/2017] [Accepted: 08/09/2017] [Indexed: 01/19/2023]
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