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Luo Y, Shupletsov L, Ortega Vega MR, Gutiérrez-Serpa A, Khan AH, Brunner E, Senkovska I, Kaskel S. Integration of Triphenylene-Based Conductive Metal-Organic Frameworks into Carbon Nanotube Electrodes for Boosting Nonenzymatic Glucose Sensing. ACS Appl Mater Interfaces 2023. [PMID: 37903405 DOI: 10.1021/acsami.3c11810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
The rational design and preparation of conductive metal-organic frameworks (MOFs) are alluring and challenging pathways to develop active catalysts toward electrocatalytic glucose oxidation. The hybridization of conductive MOFs with carbon nanotubes (CNTs) in the form of a composite can greatly improve the electrocatalytic performance. Herein, a facile one-step synthetic strategy is utilized to fabricate a Ni3(HHTP)2/CNT (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene) composite for nonenzymatic detection of glucose in an alkaline solution. The Ni3(HHTP)2/CNT composite, as an electrochemical glucose sensor material, exhibits superior electrocatalytic activity toward glucose oxidation with a wide detection range of up to 3.9 mM, a low detection limit of 4.1 μM (signal/noise = 3), a fast amperometric response time of <2 s, and a high sensitivity of 4774 μA mM-1 cm-2, surpassing the performance of some recently reported nonenzymatic transition-metal-based glucose sensors. In addition, the composite sensor also shows outstanding selectivity, robust long-term electrochemical stability, favorable anti-interference properties, and good reproducibility. This work displays the effectiveness of enhancing the electrocatalytic performance toward glucose detection by combing conductive MOFs with CNTs, thereby opening up an applicable and encouraging approach for the design of advanced nonenzymatic glucose sensors.
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Affiliation(s)
- Yutong Luo
- Chair of Inorganic Chemistry I, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Leonid Shupletsov
- Chair of Inorganic Chemistry I, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Maria Rita Ortega Vega
- Chair of Inorganic Chemistry I, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Adrián Gutiérrez-Serpa
- Chair of Inorganic Chemistry I, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Arafat Hossain Khan
- Chair of Bioanalytical Chemistry, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Eike Brunner
- Chair of Bioanalytical Chemistry, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Irena Senkovska
- Chair of Inorganic Chemistry I, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Stefan Kaskel
- Chair of Inorganic Chemistry I, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
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Li M, Yin X, Shan H, Meng C, Chen S, Yan Y. The Facile Preparation of PBA-GO-CuO-Modified Electrochemical Biosensor Used for the Measurement of α-Amylase Inhibitors' Activity. Molecules 2022; 27:molecules27082395. [PMID: 35458591 PMCID: PMC9030138 DOI: 10.3390/molecules27082395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/06/2022] [Accepted: 04/06/2022] [Indexed: 12/01/2022] Open
Abstract
Element doping and nanoparticle decoration of graphene is an effective strategy to fabricate biosensor electrodes for specific biomedical signal detections. In this study, a novel nonenzymatic glucose sensor electrode was developed with copper oxide (CuO) and boron-doped graphene oxide (B-GO), which was firstly used to reveal rhubarb extraction’s inhibitive activity toward α-amylase. The 1-pyreneboronic acid (PBA)-GO-CuO nanocomposite was prepared by a hydrothermal method, and its successful boron doping was confirmed by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS), in which the boron doping rate is unprecedentedly up to 9.6%. The CuO load reaches ~12.5 wt.%. Further electrochemical results showed that in the enlarged cyclic voltammograms diagram, the electron-deficient boron doping sites made it easier for the electron transfer in graphene, promoting the valence transition from CuO to the electrode surface. Moreover, the sensor platform was ultrasensitive to glucose with a detection limit of 0.7 μM and high sensitivity of 906 μA mM−1 cm−2, ensuring the sensitive monitoring of enzyme activity. The inhibition rate of acarbose, a model inhibitor, is proportional to the logarithm of concentration in the range of 10−9–10−3 M with the correlation coefficient of R2 = 0.996, and an ultralow limit of detection of ~1 × 10−9 M by the developed method using the PBA-GO-CuO electrode. The inhibiting ability of Rhein-8-b-D-glucopyranoside, which is isolated from natural medicines, was also evaluated. The constructed sensor platform was proven to be sensitive and selective as well as cost-effective, facile, and reliable, making it promising as a candidate for α-amylase inhibitor screening.
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Affiliation(s)
- Min Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China; (M.L.); (H.S.); (C.M.); (S.C.)
| | - Xiaoying Yin
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China; (M.L.); (H.S.); (C.M.); (S.C.)
- School of Chemistry and Chemical Engineering, Institute for Frontier Medical Technology, Shanghai 201620, China
- Correspondence: (X.Y.); (Y.Y.)
| | - Hongli Shan
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China; (M.L.); (H.S.); (C.M.); (S.C.)
- School of Chemistry and Chemical Engineering, Institute for Frontier Medical Technology, Shanghai 201620, China
| | - Chenting Meng
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China; (M.L.); (H.S.); (C.M.); (S.C.)
| | - Shengxue Chen
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China; (M.L.); (H.S.); (C.M.); (S.C.)
| | - Yinan Yan
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China; (M.L.); (H.S.); (C.M.); (S.C.)
- National Engineering Research Center for Nanotechnology, 28 East Jiang Chuan Road, Shanghai 200241, China
- Correspondence: (X.Y.); (Y.Y.)
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Abstract
Despite being researched for nearly five decades, chemical application of metallic glass is scarcely explored. Here we show electrochemical nonenzymatic glucose-sensing ability of nickel-niobium (Ni60Nb40) amorphous alloys in alkaline medium. Three different Ni60Nb40 systems with the same elemental composition, but varying microstructures are created following different synthetic routes and tested for their glucose-sensing performance. Among melt-spun ribbon, nanoglass, and amorphous-crystalline nanocomposite materials, nanoglass showed the best performance in terms of high anodic current density, sensitivity (20 mA cm-2 mM-1), limit of detection (100 nM glucose), stability, reproducibility (above 5000 cycles), and sensing accuracy among nonenzymatic glucose sensors involving amorphous alloys. When annealed under vacuum, only the heat-treated nanoglass retained a similar electrochemical-sensing property, while the other materials failed to yield desired results. In nanoglass, a network of glassy interfaces, compared to melt-spun ribbon, is plausibly responsible for the enhanced sensitivity.
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Affiliation(s)
- Soumabha Bag
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Ananya Baksi
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Sree Harsha Nandam
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Di Wang
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Nano Micro Facility, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Xinglong Ye
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Jyotirmoy Ghosh
- Department of Science and Technology (DST) Unit of Nanoscience and Thematic Unit of Excellence (TUE), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Thalappil Pradeep
- Department of Science and Technology (DST) Unit of Nanoscience and Thematic Unit of Excellence (TUE), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Horst Hahn
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
- KIT-TUD Joint Research Laboratory Nanomaterials, FB 11, TU Darmstadt, 64206 Darmstadt, Germany
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Padmanathan N, Shao H, Razeeb KM. Multifunctional Nickel Phosphate Nano/Microflakes 3D Electrode for Electrochemical Energy Storage, Nonenzymatic Glucose, and Sweat pH Sensors. ACS Appl Mater Interfaces 2018; 10:8599-8610. [PMID: 29460624 DOI: 10.1021/acsami.7b17187] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Multifunctional, low-cost electrodes and catalysts are desirable for next-generation electrochemical energy-storage and sensor applications. In this study, we demonstrate the fabrication of Ni3(PO4)2·8H2O nano/microflakes layer on nickel foam (NF) by a facile one-pot hydrothermal approach and investigate this electrode for multiple applications, including sweat-based glucose and pH sensor as well as hybrid energy-storage device, e.g., supercapattery. The electrode displays a specific capacity of 301.8 mAh g-1 (1552 F g-1) at an applied current of 5 mA cm-2 and can retain 84% of its initial capacity after 10 000 cycles. Furthermore, the supercapattery composed of Ni3(PO4)2·8H2O/NF as positive electrode and activated carbon as negative electrode can offer a high specific energy of 33.4 Wh kg-1 with the power of 165.5 W kg-1. As an electrocatalyst for nonenzymatic glucose sensor, Ni3(PO4)2·8H2O/NF shows an exceptional sensitivity (24.39 mA mM-1cm-2) with a low detection limit of 97 nM (S/N = 3). Moreover, as a sweat-based pH sensor, the electrode is capable of detecting human sweat pH values ranging from 4 to 7. Therefore, this three-dimensional nanoporous Ni3(PO4)2·8H2O/NF electrode, due to its excellent electrochemical performance, can be successfully applied in electrochemical energy-storage and biosensor applications.
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Affiliation(s)
- N Padmanathan
- Micro-Nano Systems Centre, Tyndall National Institute , University College Cork , Dyke Parade, Lee Maltings, Cork T12 R5CP , Ireland
| | - Han Shao
- Micro-Nano Systems Centre, Tyndall National Institute , University College Cork , Dyke Parade, Lee Maltings, Cork T12 R5CP , Ireland
- Department of Chemistry , University College Cork , Cork T12 YN60 , Ireland
| | - Kafil M Razeeb
- Micro-Nano Systems Centre, Tyndall National Institute , University College Cork , Dyke Parade, Lee Maltings, Cork T12 R5CP , Ireland
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