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Ting JH, Lin PC, Gupta S, Liu CH, Yang T, Lee CY, Lai YT, Tai NH. Dipole moment as the underlying mechanism for enhancing the immobilization of glucose oxidase by ferrocene-chitosan for superior specificity non-invasive glucose sensing. NANOSCALE ADVANCES 2023; 5:4881-4891. [PMID: 37705806 PMCID: PMC10496892 DOI: 10.1039/d3na00340j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 08/05/2023] [Indexed: 09/15/2023]
Abstract
Non-invasive methods for sensing glucose levels are highly desirable due to the comfortableness, simplicity, and lack of infection risk. However, the insufficient accuracy and ease of interference limit their practical medical applications. Here, we develop a non-invasive salivary glucose biosensor based on a ferrocene-chitosan (Fc-Chit) modified carbon nanotube (CNT) electrode through a simple drop-casting method. Compared with previous studies that relied mainly on trial and error for evaluation, this is the first time that dipole moment was proposed to optimize the electron-mediated Fc-Chit, demonstrating sturdy immobilization of glucose oxidase (GOx) on the electrode and improving the electron transfer process. Thus, the superior sensing sensitivity of the biosensor can achieve 119.97 μA mM-1 cm-2 in phosphate buffered saline (PBS) solution over a wide sensing range of 20-800 μM. Additionally, the biosensor exhibited high stability (retaining 95.0% after three weeks) and high specificity toward glucose in the presence of various interferents, attributed to the specific sites enabling GOx to be sturdily immobilized on the electrode. The results not only provide a facile solution for accurate and regular screening of blood glucose levels via saliva tests but also pave the way for designing enzymatic biosensors with specific enzyme immobilization through fundamental quantum calculations.
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Affiliation(s)
- Jo-Han Ting
- Department of Materials Science and Engineering, National Tsing Hua University Hsinchu 300 Taiwan ROC
| | - Po-Chuan Lin
- Department of Chemistry, National Tsing Hua University Hsinchu 300 Taiwan ROC
| | - Shivam Gupta
- Department of Materials Science and Engineering, National Tsing Hua University Hsinchu 300 Taiwan ROC
| | - Ching-Hao Liu
- Department of Materials Science and Engineering, National Tsing Hua University Hsinchu 300 Taiwan ROC
| | - Tzuhsiung Yang
- Department of Chemistry, National Tsing Hua University Hsinchu 300 Taiwan ROC
| | - Chi-Young Lee
- Department of Materials Science and Engineering, National Tsing Hua University Hsinchu 300 Taiwan ROC
| | - Yi-Ting Lai
- Department of Materials Engineering, Ming Chi University of Technology New Taipei City 24301 Taiwan ROC
- Center for Plasma and Thin Film Technologies, Ming Chi University of Technology New Taipei City 24301 Taiwan ROC
- Biochemical Technology R&D Center, Ming Chi University of Technology New Taipei City 24301 Taiwan ROC
| | - Nyan-Hwa Tai
- Department of Materials Science and Engineering, National Tsing Hua University Hsinchu 300 Taiwan ROC
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Hsieh CT, Sung PY, Gandomi YA, Khoo KS, Chang JK. Microwave synthesis of boron- and nitrogen-codoped graphene quantum dots and their detection to pesticides and metal ions. CHEMOSPHERE 2023; 318:137926. [PMID: 36682636 DOI: 10.1016/j.chemosphere.2023.137926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/30/2022] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
Through developing a highly efficient solid-phase microwave-assisted (SPMA) synthesis technique, we were able to synthesize graphene quantum dots (GQDs) that were doped with nitrogen and boron atoms. The as-synthesized GQDs were employed as sensing probes for detecting pesticides and iron ions within aqueous solutions. The SPMA approach is very versatile for in-situ doping of multiple atoms within the graphitic structure of GQDs. The maximal B/C and N/C atomic ratios within the GQD structures were reached as high as 28.6 and 86.4 at.%, respectively. For the B-/N-codoped GQDs, the N dopants comprises of pyrrolic/pyridinic N and graphitic N, whereas the B doping mainly involves two bonding types (i.e., B4C and BCO2) inserted into or decorated on the GQD skeleton structure. Based on the analysis of the Stern-Volmer plots, the B-/N-codoped GQDs can be employed as probing nanomaterials toward Fe2+ and paraquat detection thanks to their incredible sensitivity throughout the photoluminescent quenching. The PL quenching mechanism of GQDs is usually governed by the GQD‒(paraquat)x intermediates formation and the resulting π-π stacking that can easily quench and aggregate. The findings of this work pave the pathway to engineering the chemical compositions as well as the crystalline structures of GQDs, used for energy and other sensing devices.
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Affiliation(s)
- Chien-Te Hsieh
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan; Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, United States.
| | - Po-Yu Sung
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan
| | - Yasser Ashraf Gandomi
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, United States
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan.
| | - Jeng-Kuei Chang
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.
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An Effective Metal-Organic Framework-Based Electrochemical Non-Enzymatic Glucose Sensor. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116676] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Nguyen THA, Tran TQN, Nguyen TNT, Khue Van T, Ngo DH, Kumar S, Cao XT. Deep eutectic solvent-assisted synthesis of poly(furfuryl alcohol) grafted carbon nanotubes: a metal free electrocatalyst for non-enzymatic glucose detection. NEW J CHEM 2022. [DOI: 10.1039/d2nj02713e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have synthesized a biomass-based metal-free electrocatalyst for glucose detection. It was observed that the nanocomposites having covalent interactions between the CNTs and PFA exhibited better performance than their analogous.
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Affiliation(s)
- Thi Hong Anh Nguyen
- Faculty of Chemical Engineering, Ho Chi Minh City University of Food Industry, Ho Chi Minh City 700000, Vietnam
| | - Thao Quynh Ngan Tran
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Thi Nhat Thang Nguyen
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Thanh Khue Van
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
| | - Dai-Hung Ngo
- Thu Dau Mot University, Thu Dau Mot City, Binh Duong 820000, Vietnam
| | - Subodh Kumar
- Department of Inorganic Chemistry, Faculty of Science, Palacký University, 17 Listopadu 12, CZ-77146 Olomouc, Czech Republic
| | - Xuan Thang Cao
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam
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Hsieh CT, Kao CP, Gandomi YA, Juang RS, Chang JK, Zhang RS. Oxygen reduction reactions from boron-doped graphene quantum dot catalyst electrodes in acidic and alkaline electrolytes. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2021.104196] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Varodi C, Pogăcean F, Coros M, Magerusan L, Stefan-van Staden RI, Pruneanu S. Hydrothermal Synthesis of Nitrogen, Boron Co-Doped Graphene with Enhanced Electro-Catalytic Activity for Cymoxanil Detection. SENSORS (BASEL, SWITZERLAND) 2021; 21:6630. [PMID: 34640950 PMCID: PMC8512315 DOI: 10.3390/s21196630] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 02/06/2023]
Abstract
A sample of nitrogen and boron co-doped graphene (NB-Gr) was obtained by the hydrothermal method using urea and boric acid as doping sources. According to XRD analysis, the NB-Gr sample was formed by five-layer graphene. In addition, the XPS analysis confirmed the nitrogen and boron co-doping of the graphene sample. After synthesis, the investigation of the electro-catalytic properties of the bare (GC) and graphene-modified electrode (NB-Gr/GC) towards cymoxanil detection (CYM) was performed. Significant differences between the two electrodes were noticed. In the first case (GC) the peak current modulus was small (1.12 × 10-5 A) and appeared in the region of negative potentials (-0.9 V). In contrast, when NB-Gr was present on top of the GC electrode it promoted the transfer of electrons, leading to a large peak current increase (1.65 × 10-5 A) and a positive shift of the peak potential (-0.75 V). The NB-Gr/GC electrode was also tested for its ability to detect cymoxanil from a commercial fungicide (CURZATE MANOX) by the standard addition method, giving a recovery of 99%.
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Affiliation(s)
- Codruța Varodi
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street No. 67-103, 400293 Cluj-Napoca, Romania; (C.V.); (F.P.); (L.M.)
| | - Florina Pogăcean
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street No. 67-103, 400293 Cluj-Napoca, Romania; (C.V.); (F.P.); (L.M.)
| | - Maria Coros
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street No. 67-103, 400293 Cluj-Napoca, Romania; (C.V.); (F.P.); (L.M.)
| | - Lidia Magerusan
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street No. 67-103, 400293 Cluj-Napoca, Romania; (C.V.); (F.P.); (L.M.)
| | - Raluca-Ioana Stefan-van Staden
- Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, 060021 Bucharest, Romania;
- Faculty of Applied Chemistry and Material Science, University Politehnica of Bucharest, 060021 Bucharest, Romania
| | - Stela Pruneanu
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street No. 67-103, 400293 Cluj-Napoca, Romania; (C.V.); (F.P.); (L.M.)
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Abstract
Biocatalysis refers to the utilization of enzymes, either in purified form, or existed as part of crude cell lysate or intact cells, to catalyze single- or multi-step chemical reactions, converting synthetic molecules or natural metabolites into high-value products [...]
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