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Kalinke C, de Oliveira PR, Marcolino-Júnior LH, Bergamini MF. Nanostructures of Prussian blue supported on activated biochar for the development of a glucose biosensor. Talanta 2024; 274:126042. [PMID: 38583326 DOI: 10.1016/j.talanta.2024.126042] [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: 11/16/2023] [Revised: 03/19/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
This work emphasizes the utilization of biochar, a renewable material, as an interesting platform for anchoring redox mediators and bioreceptors in the development of economic, environmentally friendly biosensors. In this context, Fe(III) ions were preconcentrated on highly functionalized activated biochar, allowing the stable synthesis of Prussian blue nanostructures with an average size of 58.3 nm. The determination of glucose was carried out by indirectly monitoring the hydrogen peroxide generated through the enzymatic reaction, followed by its subsequent redox reaction with reduced Prussian blue (also known as Prussian white) in a typical electrochemical-chemical mechanism. The EDC/NHS (1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride and N-Hydroxysuccinimide) pair was employed for the stable covalent immobilization of the enzyme on biochar. The biosensor demonstrated good enzyme-substrate affinity, as evidenced by the Michaelis-Menten apparent kinetic constant (4.16 mmol L-1), and analytical performance with a wide linear dynamic response range (0.05-5.0 mmol L-1), low limits of detection (0.94 μmol L-1) and quantification (3.13 μmol L-1). Additionally, reliable repeatability, reproducibility, stability, and selectivity were obtained for the detection of glucose in both real and spiked human saliva and blood serum samples.
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Affiliation(s)
- Cristiane Kalinke
- Laboratory of Electrochemical Sensors (LabSensE), Department of Chemistry, Federal University of Paraná, 81531-980, Curitiba, PR, Brazil; Institute of Chemistry, University of Campinas, 13083-970, Campinas, SP, Brazil.
| | - Paulo R de Oliveira
- Senai Institute of Innovation in Electrochemistry, 81920-380, Curitiba, PR, Brazil
| | - Luiz H Marcolino-Júnior
- Laboratory of Electrochemical Sensors (LabSensE), Department of Chemistry, Federal University of Paraná, 81531-980, Curitiba, PR, Brazil
| | - Márcio F Bergamini
- Laboratory of Electrochemical Sensors (LabSensE), Department of Chemistry, Federal University of Paraná, 81531-980, Curitiba, PR, Brazil.
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M de Farias D, Pradela-Filho LA, Arantes IVS, Gongoni JLM, Veloso WB, Meloni GN, Paixão TRLC. Sulfanilamide Electrochemical Sensor Using Phenolic Substrates and CO 2 Laser Pyrolysis. ACS APPLIED MATERIALS & INTERFACES 2023; 15:56424-56432. [PMID: 37982226 DOI: 10.1021/acsami.3c11462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
The concentration of environmental pollutants needs to be monitored constantly by reliable analytical methods since they pose a public health risk. Developing simple and affordable sensors for such pollutants can allow for large-scale monitoring economically. Here, we develop a simple electrochemical sensor for sulfanilamide (SFD) quantification using a phenolic resin substrate and a CO2 laser to pyrolyze the sensor geometry over the substrate. The sensors are modified with carbon nanotubes via a simple drop-casting procedure. The carbon nanotube loading effect the electrochemical performance toward a redox probe and analytical performance for SFD detection is investigated, showing no net benefit beyond 1 mg L-1 of carbon nanotubes. The effects of the modification on the SFD oxidation are shown to be more than just an electrode area effect and possibly attributed to the fast electron transfer kinetics of the carbon nanotubes. SFD detection is performed at small solution volumes under static (800 μL) and hydrodynamic conditions (3 mL) in a fully integrated, miniaturized batch-injection analyses cell. Both methods have a similar linear range from 10.0 to 115.0 μmol L-1 and high selectivity for SFD determination. Both systems are used to quantify SFD in real samples as a proof of concept, showcasing the proposed device's applicability as a sensor for environmental and public health monitoring of SFD.
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Affiliation(s)
- Davi M de Farias
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Lauro A Pradela-Filho
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Iana V S Arantes
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Juliana L M Gongoni
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - William B Veloso
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Gabriel N Meloni
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Thiago R L C Paixão
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
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Graphite sheets modified with poly(methylene blue) films: A cost-effective approach for the electrochemical sensing of the antibiotic nitrofurantoin. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Xu B, Chen Z, Zhang G, Wang Y. On-Demand Atomic Hydrogen Provision by Exposing Electron-Rich Cobalt Sites in an Open-Framework Structure toward Superior Electrocatalytic Nitrate Conversion to Dinitrogen. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:614-623. [PMID: 34914357 DOI: 10.1021/acs.est.1c06091] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Electrocatalytic nitrate (NO3-) reduction to N2 via atomic hydrogen (H*) is a promising approach for advanced water treatment. However, the reduction rate and N2 selectivity are hindered by slow mass transfer and H* provision-utilization mismatch, respectively. Herein, we report an open-framework cathode bearing electron-rich Co sites with extraordinary H* provision performance, which was validated by electron spin resonance (ESR) and cyclic voltammetry (CV) tests. Benefiting from its abundant channels, NO3- has a greater opportunity to be efficiently transferred to the vicinity of the Co active sites. Owing to the enhanced mass transfer and on-demand H* provision, the nitrate removal efficiency and N2 selectivity of the proposed cathode were 100 and 97.89%, respectively, superior to those of noble metal-based electrodes. In addition, in situ differential electrochemical mass spectrometry (DEMS) indicated that ultrafast *NO2- to *NO reduction and highly selective *NO to *N2O or *N transformation played crucial roles during the NO3- reduction process. Moreover, the proposed electrochemical system can achieve remarkable N2 selectivity without the additional Cl- supply, thus avoiding the formation of chlorinated byproducts, which are usually observed in conventional electrochemical nitrate reduction processes. Environmentally, energy conservation and negligible byproduct release ensure its practicability for use in nitrate remediation.
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Affiliation(s)
- Bincheng Xu
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Zhixuan Chen
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Gong Zhang
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Ying Wang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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Pradela-Filho LA, Noviana E, Araújo DAG, Takeuchi RM, Santos AL, Henry CS. Rapid Analysis in Continuous-Flow Electrochemical Paper-Based Analytical Devices. ACS Sens 2020; 5:274-281. [PMID: 31898461 DOI: 10.1021/acssensors.9b02298] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A simple and low-cost continuous-flow (CF) electrochemical paper-based analytical device (ePAD) coupled with thermoplastic electrodes (TPEs) was developed. The fast, continuous flow combined with flow injection analysis was made possible by adding two inlet reservoirs to the same paper-based hollow channel flowing over detection electrodes, terminating in a fan-shaped pumping reservoir. The upstream inlet reservoir was filled with buffer and provided constant flow through the device. Sample injections were performed by adding 2 μL of the sample to the downstream sample inlet. Differences in flow resistance resulted in sample plugs displacing buffer as the solution flowed over the working electrodes. The electrodes were fabricated by mixing carbon black and polycaprolactone (50% w/w). CF-TPE-ePADs were characterized with chronoamperometry using ferrocenylmethyl trimethylammonium as the electrochemical probe. Optimized flow rates and injection volumes gave analysis times roughly an order of magnitude faster than those of previously reported flow injection analysis ePADs. To demonstrate applicability, the CF-TPE-ePADs were used to quantify caffeic acid in three different tea samples. The proposed method had a linear range from 10 to 500 μmol L-1 and limits of detection and quantification of 2.5 and 8.3 μmol L-1, respectively. Our approach is promising for fabricating simple, inexpensive, yet high-performance, flow injection analysis devices using paper substrates and easy-to-make electrodes that do not require external mechanical pumping systems or complicated valves.
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Affiliation(s)
- Lauro A. Pradela-Filho
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, Minas Gerais, Uberlândia, MG 38400-902, Brasil
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Eka Noviana
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Diele A. G. Araújo
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, Minas Gerais, Uberlândia, MG 38400-902, Brasil
| | - Regina M. Takeuchi
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, Minas Gerais, Uberlândia, MG 38400-902, Brasil
| | - André L. Santos
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, Minas Gerais, Uberlândia, MG 38400-902, Brasil
| | - Charles S. Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
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Mahmoodi A, Ensafi AA, Rezaei B. Fabrication of Electrochemical Sensor Based on CeO
2
−SnO
2
Nanocomposite Loaded on Pd Support for Determination of Nitrite at Trace Levels. ELECTROANAL 2020. [DOI: 10.1002/elan.201900598] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Aram Mahmoodi
- Department of Chemistry Isfahan University of Technology Isfahan 84156-83111 Iran
| | - Ali A. Ensafi
- Department of Chemistry Isfahan University of Technology Isfahan 84156-83111 Iran
| | - Behzad Rezaei
- Department of Chemistry Isfahan University of Technology Isfahan 84156-83111 Iran
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Asiri AM, Adeosun WA, Marwani HM, Rahman MM. Homopolymerization of 3-aminobenzoic acid for enzyme-free electrocatalytic assay of nitrite ions. NEW J CHEM 2020. [DOI: 10.1039/c9nj06058h] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We describe non-enzymatic novel detection of nitrite ions in various matrices on the surface of poly-3-aminobenzoic acid.
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Affiliation(s)
- Abdullah M. Asiri
- Department of Chemistry
- Faculty of Science
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
| | - Waheed A. Adeosun
- Department of Chemistry
- Faculty of Science
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
| | - Hadi M. Marwani
- Department of Chemistry
- Faculty of Science
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
| | - Mohammed M. Rahman
- Department of Chemistry
- Faculty of Science
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
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Li S, Wang T, Yue R, Wang H, Bai Q, Xiao H, Sui N, Wang L, Liu M, Yu WW. PdFe Ultrathin Nanosheets for Highly Sensitive Detection of Nitrite. ELECTROANAL 2019. [DOI: 10.1002/elan.201900589] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Shuai Li
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Tao Wang
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Ruiping Yue
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Hongshuai Wang
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Qiang Bai
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Hailian Xiao
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Ning Sui
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Lina Wang
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Manhong Liu
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - William W. Yu
- College of Materials Science and Engineering Qingdao University of Science and Technology Qingdao 266042 China
- Department of Chemistry and Physics Louisiana State University Shreveport, LA 71115 USA
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Ghanei-Motlagh M, Taher MA. A novel electrochemical sensor based on silver/halloysite nanotube/molybdenum disulfide nanocomposite for efficient nitrite sensing. Biosens Bioelectron 2018; 109:279-285. [DOI: 10.1016/j.bios.2018.02.057] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/12/2018] [Accepted: 02/26/2018] [Indexed: 02/01/2023]
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