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Zidarič T, Majer D, Maver T, Finšgar M, Maver U. The development of an electropolymerized, molecularly imprinted polymer (MIP) sensor for insulin determination using single-drop analysis. Analyst 2023; 148:1102-1115. [PMID: 36723087 DOI: 10.1039/d2an02025d] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
An electrochemical sensor for the detection of insulin in a single drop (50 μL) was developed based on the concept of molecularly imprinted polymers (MIP). The synthetic MIP receptors were assembled on a screen-printed carbon electrode (SPCE) by the electropolymerization of pyrrole (Py) in the presence of insulin (the protein template) using cyclic voltammetry. After electropolymerization, insulin was removed from the formed polypyrrole (Ppy) matrix to create imprinting cavities for the subsequent analysis of the insulin analyte in test samples. The surface characterization, before and after each electrosynthesis step of the MIP sensors, was performed using atomic force microscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The performance of the developed MIP-SPCE sensor was evaluated using a single drop of solution containing K3Fe(CN)6 and the square-wave voltammetry technique. The MIP-SPCE showed a linear concentration range of 20.0-70.0 pM (R2 = 0.9991), a limit of detection of 1.9 pM, and a limit of quantification of 6.2 pM. The rapid response time to the protein target and the portability of the developed sensor, which is considered a disposable MIP-based system, make this MIP-SPCE sensor a promising candidate for point-of-care applications. In addition, the MIP-SPCE sensor was successfully used to detect insulin in a pharmaceutical sample. The sensor was deemed to be accurate (the average recovery was 108.46%) and precise (the relative standard deviation was 7.23%).
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Affiliation(s)
- Tanja Zidarič
- University of Maribor, Faculty of Medicine, Institute of Biomedical Sciences, Taborska ulica 8, 2000 Maribor, Slovenia
| | - David Majer
- University of Maribor, Faculty of Chemistry and Chemical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Tina Maver
- University of Maribor, Faculty of Medicine, Institute of Biomedical Sciences, Taborska ulica 8, 2000 Maribor, Slovenia.,University of Maribor, Faculty of Medicine, Department of Pharmacology, Taborska ulica 8, 2000 Maribor, Slovenia
| | - Matjaž Finšgar
- University of Maribor, Faculty of Chemistry and Chemical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Uroš Maver
- University of Maribor, Faculty of Medicine, Institute of Biomedical Sciences, Taborska ulica 8, 2000 Maribor, Slovenia.,University of Maribor, Faculty of Medicine, Department of Pharmacology, Taborska ulica 8, 2000 Maribor, Slovenia
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Sensing performances of spinel ferrites MFe2O4 (M = Mg, Ni, Co, Mn, Cu and Zn) based electrochemical sensors: A review. Anal Chim Acta 2022; 1233:340362. [DOI: 10.1016/j.aca.2022.340362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 09/02/2022] [Accepted: 09/03/2022] [Indexed: 11/19/2022]
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Recent progress on electrochemical sensing strategies as comprehensive point-care method. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-020-02732-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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da Silva Freires A, Botelho CN, Silva SM, Goulart MOF, Damos FS, Luz RDCS. Photoelectrochemical biosensor for 1,4-dihydroxybenzene based on copper sulfide and horseradish peroxidase enzyme: Application in skin cream samples. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Hwa KY, Ganguly A, Tata SKS. Influence of temperature variation on spinel-structure MgFe2O4 anchored on reduced graphene oxide for electrochemical detection of 4-cyanophenol. Mikrochim Acta 2020; 187:633. [DOI: 10.1007/s00604-020-04613-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/20/2020] [Indexed: 01/09/2023]
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Koçak S. Platinum Nanoparticles/Poly(isoleucine) Modified Glassy Carbon Electrode for the Simultaneous Determination of Hydroquinone and Catechol. ELECTROANAL 2020. [DOI: 10.1002/elan.202060232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Süleyman Koçak
- Department of Chemistry, Science and Art Faculty Manisa Celal Bayar University Manisa 45040 Turkey
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Awais A, Arsalan M, Sheng Q, Zheng J, Yue T. Rational Design of Highly Efficient One‐pot Synthesis of Ternary PtNiCo/FTO Nanocatalyst for Hydroquinone and Catechol Sensing. ELECTROANAL 2020. [DOI: 10.1002/elan.202060166] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Azka Awais
- College of Chemistry & Materials Science/Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education/Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry Northwest University Xi'an Shaanxi 710069 China
| | - Muhammad Arsalan
- College of Chemistry & Materials Science/Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education/Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry Northwest University Xi'an Shaanxi 710069 China
| | - Qinglin Sheng
- College of Chemistry & Materials Science/Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education/Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry Northwest University Xi'an Shaanxi 710069 China
- College of Food Science and Technology Northwest University Xi'an Shaanxi 710069 China
- Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering/Research Center of Food Safety Risk Assessment and Control Shaanxi Xi'an 710069 China
| | - Jianbin Zheng
- College of Chemistry & Materials Science/Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education/Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry Northwest University Xi'an Shaanxi 710069 China
| | - Tianli Yue
- College of Food Science and Technology Northwest University Xi'an Shaanxi 710069 China
- Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering/Research Center of Food Safety Risk Assessment and Control Shaanxi Xi'an 710069 China
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A Novel Electrochemical Sensor for Simultaneous Determination of Hydroquinone, Catechol, and Resorcinol Using a Carbon Paste Electrode Modified by Zn‐MOF, Nitrogen‐doped Graphite, and AuNPs. ELECTROANAL 2020. [DOI: 10.1002/elan.202060326] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Knežević S, Ognjanović M, Nedić N, Mariano JF, Milanović Z, Petković B, Antić B, Djurić SV, Stanković D. A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104778] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Wang K, Cheng Y, Tu B, Tao H. Synthesis of Ferrosoferric Oxide‐graphene Oxide Nanocomposite by Isoelectric Point Method for the Detection of Catechol. ELECTROANAL 2019. [DOI: 10.1002/elan.201900419] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Kaiqian Wang
- Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials ScienceAnhui Normal University Wuhu 241000 China
| | - Yalin Cheng
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, College of Environmental Science and EngineeringAnhui Normal University Wuhu 241000 China
| | - Biyang Tu
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, College of Environmental Science and EngineeringAnhui Normal University Wuhu 241000 China
| | - Haisheng Tao
- Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials ScienceAnhui Normal University Wuhu 241000 China
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, College of Environmental Science and EngineeringAnhui Normal University Wuhu 241000 China
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