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Kour S, Kour P, Sharma AL. Polypyrrole and activated carbon enriched MnCo 2O 4 ternary composite as efficient electrode material for hybrid supercapacitors. NANOSCALE 2024; 16:13627-13641. [PMID: 38961760 DOI: 10.1039/d4nr00828f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
The development of proficient electrode materials is one of the major tasks faced by modern techniques for energy storage. Integrating different materials with synergistic effects can be a valuable strategy for designing storage devices with high capacity and energy density. The spinel manganese cobaltite (MnCo2O4) is an outstanding candidate for supercapacitors owing to its remarkable pseudocapacitive behavior. However, it suffers from low electric conductivity and limited cyclic stability. To overcome its limitations, activated carbon with superior cyclic stability and polypyrrole with high electric conductivity can be incorporated in MnCo2O4. The synergistic effect of these components offers high capacitance, better conductivity, and superior cyclic performance to the ternary composite. Herein, the MnCo2O4/AC/PPY ternary composite has been synthesized by a facile approach. The optimized ternary composite (MAP-20) exhibited a wonderful capacitance of 945.77 F g-1 at five mV s-1 compared to pristine MnCo2O4 (254.98 F g-1). The real-time applicability of the optimized composite was tested with asymmetric device configuration. The asymmetric device with MAP-20 and MnO2/AC electrodes exhibited a wonderful Ed of 88.12 W h kg-1 (Pd ∼ 1.6 kW kg-1). The asymmetric device also exhibited excellent cyclic performance of 89.68% for 10 000 cycles. Further, the real-time applicability of the device was tested by illuminating a 39 red LED panel. Three asymmetric cells connected in series illuminated the panel for about 45 minutes. All these results suggest that the synergistic integration of various efficient electrode materials leads to enhanced electrochemical performance of supercapacitors.
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Affiliation(s)
- Simran Kour
- Department of Physics, Central University of Punjab, Bathinda, 151401, Punjab, India.
| | - Pawanpreet Kour
- Department of Physics, Central University of Punjab, Bathinda, 151401, Punjab, India.
| | - A L Sharma
- Department of Physics, Central University of Punjab, Bathinda, 151401, Punjab, India.
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Duyar H, Büşra Çelebi E, Güney E, Hacıvelioğlu F. Water-soluble Polypyrrole-Polybis(4-oxy benzene sulfonic acid)phosphazene Composites and Investigation of Their Performance as Cathode Binder in Li-ion Batteries. CHEMSUSCHEM 2024; 17:e202301799. [PMID: 38285804 DOI: 10.1002/cssc.202301799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/04/2024] [Accepted: 01/29/2024] [Indexed: 01/31/2024]
Abstract
Current electric storage systems eagerly focus on high-power and energy-dense Lithium-ion batteries to cope with increasing energy storage demands. Since cathode materials are one of the bottlenecks of these batteries, there is much interest in layered lithium-rich manganese oxide-based (LLMO) cathodes which can develop this technology. However, Initial Coulombic Efficiency (ICE) loss, poor rate performance and cycling instability issues are still persistent as problems to be solved for these materials. Recent research shows that water-soluble binders are effective in improving the performance of LLMO materials. Herein, we describe the synthesis, characterisation, and application of a series of water-soluble composites as a binder for LLMO cathodes. The PPy is introduced as part of the binder to improve the electronic conductivity and two different oxidants and various PPy to PSAP ratios were used to optimise the final properties. The electrochemical performance and morphology of the cathodes before and after cycling were investigated and compared with the conventional PVDF binder. The LLMO-2c electrode showed excellent charge-discharge performance, especially at 5 C and 10 C rates, and high cycling stability at 0.2 C whilst maintaining a final capacity of 184 mAh/g after 200 cycles, which is equal to 89.3 % capacity retention.
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Affiliation(s)
- Halil Duyar
- Department of Chemistry, Gebze Technical University, 41400, Gebze, Kocaeli
| | - Elif Büşra Çelebi
- Department of Chemistry, Gebze Technical University, 41400, Gebze, Kocaeli
- School of Chemistry, University of Glasgow
| | - Emre Güney
- Department of Chemistry, Gebze Technical University, 41400, Gebze, Kocaeli
| | - Ferda Hacıvelioğlu
- Department of Chemistry, Gebze Technical University, 41400, Gebze, Kocaeli
- School of Chemistry, University of Glasgow
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3
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Jaradat H, Hryniewicz BM, Pašti IA, Valério TL, Al-Hamry A, Marchesi LF, Vidotti M, Kanoun O. Detection of H. pylori outer membrane protein (HopQ) biomarker using electrochemical impedimetric immunosensor with polypyrrole nanotubes and carbon nanotubes nanocomposite on screen-printed carbon electrode. Biosens Bioelectron 2024; 249:115937. [PMID: 38211465 DOI: 10.1016/j.bios.2023.115937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 01/13/2024]
Abstract
Helicobacter pylori (H. pylori) is classified as a class I carcinogen that colonizes the human gastrointestinal (GI) tract. The detection at low concentrations is crucial in combatting H. pylori. HopQ protein is located on H. pylori's outer membrane and is expressed at an early stage of contamination, which signifies it as an ideal biomarker. In this study, we presented the development of an electrochemical impedimetric immunosensor for the ultra-sensitive detection of HopQ at low concentrations. The sensor employed polypyrrole nanotubes (PPy-NTs) and carboxylated multi-walled carbon nanotubes (MWCNT-COOH) nanocomposite. PPy-NTs were chosen for their excellent conductivity, biocompatibility, and redox capabilities, simplifying sample preparation by eliminating the need to add redox probes upon measurement. MWCNT-COOH provided covalent binding sites for HopQ antibodies (HopQ-Ab) on the biosensor surface. Characterization of the biosensor was performed using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), contact angle measurements, and electrochemical impedance spectroscopy (EIS), complemented by numerical semiempirical quantum calculations. The results demonstrated a dynamic linear range of 5 pg/mL to 1.063 ng/mL and an excellent selectivity, with the possibility of excluding interference using EIS data, specifically charge transfer resistance and double-layer capacitance as multivariants for the calibration curve. Using two EIS components, the limit of detection is calculated to be 2.06 pg/mL. The biosensor was tested with a spiked drinking water sample and showed a signal recovery of 105.5% when detecting 300 pg/mL of HopQ. This novel H. pylori biosensor offers reliable, simple, portable, and rapid screening of the bacteria.
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Affiliation(s)
- Hussamaldeen Jaradat
- Professorship of Measurement and Sensor Technology, Faculty of Electrical Engineering and Information Technology, Chemnitz University of Technology, 09126, Chemnitz, Germany.
| | - Bruna M Hryniewicz
- Grupo de Pesquisa em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal do Paraná (UFPR), Curitiba, 81531-980, PR, Brazil.
| | - Igor A Pašti
- University of Belgrade-Faculty of Physical Chemistry, Studentski trg 12-16, 11158, Belgrade, Serbia.
| | - Tatiana L Valério
- Grupo de Pesquisa em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal do Paraná (UFPR), Curitiba, 81531-980, PR, Brazil.
| | - Ammar Al-Hamry
- Professorship of Measurement and Sensor Technology, Faculty of Electrical Engineering and Information Technology, Chemnitz University of Technology, 09126, Chemnitz, Germany.
| | - Luís F Marchesi
- Grupo de Estudos em Espectroscopia de Impedância Eletroquímica (GEIS), Universidade Tecnológica Federal Do Paraná, Rua Dr. Washington Subtil Chueire, 330 - Jd. Carvalho, CEP 84017-220, Ponta Grossa, PR, Brazil.
| | - Marcio Vidotti
- Grupo de Pesquisa em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal do Paraná (UFPR), Curitiba, 81531-980, PR, Brazil.
| | - Olfa Kanoun
- Professorship of Measurement and Sensor Technology, Faculty of Electrical Engineering and Information Technology, Chemnitz University of Technology, 09126, Chemnitz, Germany.
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Ugraskan V, Bilgi M, Yazici O. Investigation of electrical conductivity and radical scavenging activity of boron phosphate filled polypyrrole nanocomposites. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2022.2100793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Volkan Ugraskan
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, TURKEY
| | - Mesut Bilgi
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, TURKEY
| | - Ozlem Yazici
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, TURKEY
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Interfacial Characterization of Polypyrrole/AuNP Composites towards Electrocatalysis of Ascorbic Acid Oxidation. Molecules 2022; 27:molecules27185776. [PMID: 36144512 PMCID: PMC9504594 DOI: 10.3390/molecules27185776] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/28/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
Polypyrrole (PPy) is an interesting conducting polymer due to its good environmental stability, high conductivity, and biocompatibility. The association between PPy and metallic nanoparticles has been widely studied since it enhances electrochemical properties. In this context, gold ions are reduced to gold nanoparticles (AuNPs) directly on the polymer surface as PPy can be oxidized to an overoxidized state. This work proposes the PPy electrochemical synthesis followed by the direct reduction of gold on its surface in a fast reaction. The modified electrodes were characterized by electronic microscopic and infrared spectroscopy. The effect of reduction time on the electrochemical properties was evaluated by the electrocatalytic properties of the obtained material from the oxidation of ascorbic acid (AA) and electrochemical impedance spectroscopy studies. The presence of AuNPs improved the AA electrocatalysis by reducing oxidation potential and lowering charge transfer resistance. EIS data were fitted using a transmission line model. The results indicated an increase in the electronic transport of the polymeric film in the presence of AuNPs. However, PPy overoxidation occurs when the AuNPs’ deposition is higher than 30 s. In PPy/AuNPs 15 s, smaller and less agglomerated particles were formed with fewer PPy overoxidized, confirming the observed electrocatalytic behavior.
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Hryniewicz BM, Volpe J, Bach-Toledo L, Kurpel KC, Deller AE, Soares AL, Nardin JM, Marchesi LF, Simas FF, Oliveira CC, Huergo L, Souto DEP, Vidotti M. Development of polypyrrole (nano)structures decorated with gold nanoparticles toward immunosensing for COVID-19 serological diagnosis. MATERIALS TODAY. CHEMISTRY 2022; 24:100817. [PMID: 35155879 PMCID: PMC8818392 DOI: 10.1016/j.mtchem.2022.100817] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 01/10/2022] [Accepted: 01/27/2022] [Indexed: 05/20/2023]
Abstract
The rapid and reliable detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroconversion in humans is crucial for suitable infection control. In this sense, many studies have focused on increasing the sensibility, lowering the detection limits and minimizing false negative/positive results. Thus, biosensors based on nanoarchitectures of conducting polymers are promising alternatives to more traditional materials since they can hold improved surface area, higher electrical conductivity and electrochemical activity. In this work, we reported the analytical comparison of two different conducting polymers morphologies for the development of an impedimetric biosensor to monitor SARS-CoV-2 seroconversion in humans. Biosensors based on polypyrrole (PPy), synthesized in both globular and nanotubular (NT) morphology, and gold nanoparticles are reported, using a self-assembly monolayer of 3-mercaptopropionic acid and covalently linked SARS-CoV-2 Nucleocapsid protein. First, the novel hybrid materials were characterized by electron microscopy and electrochemical measurements, and the biosensor step-by-step construction was characterized by electrochemical and spectroscopic techniques. As a proof of concept, the biosensor was used for the impedimetric detection of anti-SARS-CoV-2 Nucleocapsid protein monoclonal antibodies. The results showed a linear response for different antibody concentrations, good sensibility and possibility to quantify 7.442 and 0.4 ng/mL of monoclonal antibody for PPy in the globular and NT morphology, respectively. The PPy-NTs biosensor was able to discriminate serum obtained from COVID-19 positive versus negative clinical samples and is a promising tool for COVID-19 immunodiagnostic, which can contribute to further studies concerning rapid, efficient, and reliable detections.
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Affiliation(s)
- B M Hryniewicz
- Grupo de Pesquisa Em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - J Volpe
- Laboratório de Espectrometria, Sensores e Biossensores, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - L Bach-Toledo
- Grupo de Pesquisa Em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - K C Kurpel
- Laboratory of Inflammatory and Neoplastic Cells, Cell Biology Department, Section of Biological Sciences - Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - A E Deller
- Grupo de Pesquisa Em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - A L Soares
- Grupo de Pesquisa Em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - J M Nardin
- Hospital Erasto Gaertner, 81520-290, Curitiba, PR, Brazil
| | - L F Marchesi
- Grupo de Pesquisa Em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
- Universidade Tecnológica Federal Do Paraná, Av. Monteiro Lobato S/n Km 04, CEP, 84016-210, Ponta Grossa, PR, Brazil
| | - F F Simas
- Laboratory of Inflammatory and Neoplastic Cells, Cell Biology Department, Section of Biological Sciences - Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - C C Oliveira
- Laboratory of Inflammatory and Neoplastic Cells, Cell Biology Department, Section of Biological Sciences - Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - L Huergo
- Setor Litoral, Universidade Federal Do Paraná (UFPR), 83260-000, Matinhos, PR, Brazil
| | - D E P Souto
- Laboratório de Espectrometria, Sensores e Biossensores, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
| | - M Vidotti
- Grupo de Pesquisa Em Macromoléculas e Interfaces, Departamento de Química, Universidade Federal Do Paraná (UFPR), 81531-980, Curitiba, PR, Brazil
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Biocompatible Osmium Telluride-Polypyrrole Nanocomposite Material: Application in Prostate Specific Antigen Immunosensing. Processes (Basel) 2021. [DOI: 10.3390/pr9122203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Prostate cancer is a dominant global threat to society. It affects nearly 4000 men in South Africa annually, making it the second most threatening cancerous disease after lung cancer. A potential serological biomarker to monitor early diagnosis of prostate cancer is prostate specific antigen (PSA). We used the PSA biomarker in our work to develop an extremely sensitive electrochemical immunosensor to achieve low detection limits. The fabrication steps followed with the combination of thioglycolic acid capped osmium telluride quantum dots (TGA-OsTe2QD)-polypyrrole (PPy) nanocomposite and prostate specific antigen modified on a glassy carbon electrode. The UV-Vis signatures of TGA-OsTe2QD-PPy showed an absorption band at 262 nm which is attributed to the PPy and TGA-OsTe2QD composite. This band corresponds to the energy band gap of 4.4 and 5.4 eV. The CV responses of BSA|Ab|TGA-OsTe2QD|PPy|GCE modified electrode to prostate specific antigen (PSA) was studied within a range of 0–16 ng/mL PSA that was linear, herein referred to as liner range (LR), which produced a limit of detection (LOD) value of 0.36 ng/mL PSA. The values of the immunosensor’s calibration parameters (LR and LOD) make them suitable for real sample application, due to their coverage of the PSA concentration range (0–14 ng/mL) that is of clinical importance.
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Distler T, Polley C, Shi F, Schneidereit D, Ashton MD, Friedrich O, Kolb JF, Hardy JG, Detsch R, Seitz H, Boccaccini AR. Electrically Conductive and 3D-Printable Oxidized Alginate-Gelatin Polypyrrole:PSS Hydrogels for Tissue Engineering. Adv Healthc Mater 2021; 10:e2001876. [PMID: 33711199 DOI: 10.1002/adhm.202001876] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 01/26/2021] [Indexed: 02/06/2023]
Abstract
Electroactive hydrogels can be used to influence cell response and maturation by electrical stimulation. However, hydrogel formulations which are 3D printable, electroactive, cytocompatible, and allow cell adhesion, remain a challenge in the design of such stimuli-responsive biomaterials for tissue engineering. Here, a combination of pyrrole with a high gelatin-content oxidized alginate-gelatin (ADA-GEL) hydrogel is reported, offering 3D-printability of hydrogel precursors to prepare cytocompatible and electrically conductive hydrogel scaffolds. By oxidation of pyrrole, electroactive polypyrrole:polystyrenesulfonate (PPy:PSS) is synthesized inside the ADA-GEL matrix. The hydrogels are assessed regarding their electrical/mechanical properties, 3D-printability, and cytocompatibility. It is possible to prepare open-porous scaffolds via bioplotting which are electrically conductive and have a higher cell seeding efficiency in scaffold depth in comparison to flat 2D hydrogels, which is confirmed via multiphoton fluorescence microscopy. The formation of an interpenetrating polypyrrole matrix in the hydrogel matrix increases the conductivity and stiffness of the hydrogels, maintaining the capacity of the gels to promote cell adhesion and proliferation. The results demonstrate that a 3D-printable ADA-GEL can be rendered conductive (ADA-GEL-PPy:PSS), and that such hydrogel formulations have promise for cell therapies, in vitro cell culture, and electrical-stimulation assisted tissue engineering.
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Affiliation(s)
- Thomas Distler
- Institute of Biomaterials Department of Material Science and Engineering Friedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen 91058 Germany
| | - Christian Polley
- Chair of Microfluidics Department of Mechanical Engineering University of Rostock Rostock 18059 Germany
| | - Fukun Shi
- Leibniz Institute for Plasma Science and Technology (INP) Greifswald 17489 Germany
| | - Dominik Schneidereit
- Institute of Medical Biotechnology Department of Chemical and Biological Engineering Erlangen 91052 Germany
| | - Mark. D. Ashton
- Department of Chemistry Faraday Building Lancaster University Lancaster Lancashire LA1 4YB UK
- Materials Science Institute Faraday Building Lancaster University Lancaster Lancashire LA1 4YB UK
| | - Oliver Friedrich
- Institute of Medical Biotechnology Department of Chemical and Biological Engineering Erlangen 91052 Germany
| | - Jürgen F. Kolb
- Leibniz Institute for Plasma Science and Technology (INP) Greifswald 17489 Germany
| | - John G. Hardy
- Department of Chemistry Faraday Building Lancaster University Lancaster Lancashire LA1 4YB UK
- Materials Science Institute Faraday Building Lancaster University Lancaster Lancashire LA1 4YB UK
| | - Rainer Detsch
- Institute of Biomaterials Department of Material Science and Engineering Friedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen 91058 Germany
| | - Hermann Seitz
- Chair of Microfluidics Department of Mechanical Engineering University of Rostock Rostock 18059 Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials Department of Material Science and Engineering Friedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen 91058 Germany
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Towards analytical application of electrochromic polypyrrole layers modified by phenothiazine derivatives. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115132] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Enhancement of the lithium titanium oxide anode performance by the copolymerization of conductive polypyrrole with poly(acrylonitrile/butyl acrylate) binder. J APPL ELECTROCHEM 2020. [DOI: 10.1007/s10800-020-01401-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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