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Qin Y, Xiao D, Gao X, Zhang X, Xu Y. Nanocubic cobalt-containing Prussian blue analogue-derived carbon-coated CoFe alloy nanoparticles for noninvasive uric acid sensing. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2496-2504. [PMID: 38578053 DOI: 10.1039/d4ay00121d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
This work describes an electrochemical sensor for the fast noninvasive detection of uric acid (UA) in saliva. The sensing material was based on a cobalt-containing Prussian blue analogue (Na2-xCo[Fe(CN)6]1-y, PCF). By optimizing the ratio of Co and Fe as 1.5 : 1 in PCF (PCF1.5,0), particles with a regular nanocubic morphology were formed. The calcination of PCF1.5,0 produced a carbon-coated CoFe alloy (CCF1.5), which possessed abundant defects and achieved an excellent electrochemical performance. Subsequently, CCF1.5 was modified on a screen-printed carbon electrode (SPCE) to fabricate the electrochemical sensor, CCF1.5/SPCE, which showed a sensitive and selective response toward salivary UA owing to its good conductivity, sufficient surface active sites and efficient catalytic activity. The determination of UA in artificial saliva achieved the wide linear range of 40 nM-30 μM and the low limit of detection (LOD) of 15.3 nM (3σ/s of 3). The performances of the sensor including its reproducibility, stability and selectivity were estimated to be satisfactory. The content of UA in human saliva was determined and the recovery was in the range of 98-107% and the total RSD was 4.14%. The results confirmed the reliability of CCF1.5/SPCE for application in noninvasive detection.
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Affiliation(s)
- Yunting Qin
- School of Pharmacy, Chengdu University, No. 2025, Chengluo Avenue, Chengdu, P. R. China
| | - Dan Xiao
- Institute of Advanced Study, Chengdu University, No. 2025, Chengluo Avenue, Chengdu, P. R. China.
- College of Chemical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu, P. R. China.
| | - Xilan Gao
- College of Food and Bioengineering, Chengdu University, No. 2025, Chengluo Avenue, Chengdu, P. R. China
| | - Xicui Zhang
- Sichuan Institute of Product Quality Supervision & Inspection, No. 16, Xinmao Street, Chengdu, China.
| | - Yanxue Xu
- Institute of Advanced Study, Chengdu University, No. 2025, Chengluo Avenue, Chengdu, P. R. China.
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Li F, Jiang J, Shen N, Peng H, Luo Y, Li N, Huang L, Lu Y, Liu L, Li B, He J. Flexible microfluidic colorimetric detection chip integrated with ABTS ·+ and Co@MnO 2 nanozyme catalyzed TMB reaction systems for bio-enzyme free detection of sweat uric acid. Anal Chim Acta 2024; 1299:342453. [PMID: 38499424 DOI: 10.1016/j.aca.2024.342453] [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: 01/05/2024] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND The development of wearable detection devices that can achieve noninvasive, on-site and real-time monitoring of sweat metabolites is of great demand and practical significance for point-of-care testing and healthcare monitoring. Monitoring uric acid (UA) content in sweat provides a simple and promising way to reduce the risk of gout and hyperuricemia. Traditional bioenzyme based UA assays suffer from high cost, poor stability, inconvenience for storage and easy deactivation of bioenzymes. Wearable microfluidic colorimetric detection device for sweat UA detection has not been reported. The development of novel wearable microfluidic colorimetric detection chip with no requirement of bioenzymes for sweat UA detection is of great importance for health care monitoring. RESULTS Firstly, Co@MnO2 nanozyme with high oxidase-like activity was synthesized and characterized. Co@MnO2 can catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) directly to generate blue-green colored ox-TMB. Green colored 2,2'-Azinobis-(3-ethylbenzthiazoline-6-sulphonate) radical (ABTS·+) was produced by the oxidation of ABTS by potassium persulfate. UA exhibits distinct quenching effect on Co@MnO2 catalyzed TMB colorimetric reaction system and ABTS·+ based colorimetric system, leading to obvious color fading of the two colorimetric systems. Then, a flexible microfluidic colorimetric detection chip for UA detection was fabricated by assembling Co@MnO2/TMB modified paper chips and ABTS·+ modified paper chips into a polydimethylsiloxane (PDMS) microfluidic chip. The fabricated microfluidic colorimetric detection chip exhibits good linear relationship for sweat UA detection. The linear range is from 20 to 200 μmol/L with detection limit as low as 6.6 μmol/L. Good results were obtained for the detection of UA in actual sweat from three volunteers. SIGNIFICANCE This work provides two bio-enzyme free colorimetric detection systems for UA detection. Furthermore, a simple, low-cost and selective flexible wearable microfluidic colorimetric detection chip was fabricated for noninvasive and on-site detection of sweat UA, which holds great application potential for personal health monitoring and point-of-care testing.
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Affiliation(s)
- Fang Li
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China.
| | - Jianming Jiang
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Nuotong Shen
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Hao Peng
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Yi Luo
- Micro/Nano Fabrication Laboratory, Microsystem & Terahertz Research Center, China Academy of Engineering Physics (CAEP), Chengdu, Sichuan, 610200, China
| | - Nannan Li
- Micro/Nano Fabrication Laboratory, Microsystem & Terahertz Research Center, China Academy of Engineering Physics (CAEP), Chengdu, Sichuan, 610200, China; Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang, 621900, China
| | - Liyang Huang
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Yuyang Lu
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Lifu Liu
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Bing Li
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China.
| | - Jianbo He
- Anhui Province Key Laboratory of Value-Added Catalytic Conversion and Reaction Engineering, Anhui Province Engineering Research Center of Flexible and Intelligent Materials School of Chemistry and Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
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Singh R, Gupta R, Bansal D, Bhateria R, Sharma M. A Review on Recent Trends and Future Developments in Electrochemical Sensing. ACS OMEGA 2024; 9:7336-7356. [PMID: 38405479 PMCID: PMC10882602 DOI: 10.1021/acsomega.3c08060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/07/2024] [Accepted: 01/12/2024] [Indexed: 02/27/2024]
Abstract
Electrochemical methods and devices have ignited prodigious interest for sensing and monitoring. The greatest challenge for science is far from meeting the expectations of consumers. Electrodes made of two-dimensional (2D) materials such as graphene, metal-organic frameworks, MXene, and transition metal dichalcogenides as well as alternative electrochemical sensing methods offer potential to improve selectivity, sensitivity, detection limit, and response time. Moreover, these advancements have accelerated the development of wearable and point-of-care electrochemical sensors, opening new possibilities and pathways for their applications. This Review presents a critical discussion of the recent developments and trends in electrochemical sensing.
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Affiliation(s)
- Rimmy Singh
- Department of Applied Science & Humanities, DPG Institute of Technology and Management, Gurugram 122004, India
| | - Ruchi Gupta
- School of Chemistry, University of Birmingham, Birmingham B15 2TT, U.K
| | | | - Rachna Bhateria
- Department of Environmental Science, Maharshi Dayanand University, Rohtak 124001, India
| | - Mona Sharma
- Department of Environmental Studies, Central University of Haryana, Mahendergarh 123031, India
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Oladipo AA, Derakhshan Oskouei S, Gazi M. Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:631-673. [PMID: 37284550 PMCID: PMC10241095 DOI: 10.3762/bjnano.14.52] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/09/2023] [Indexed: 06/08/2023]
Abstract
Increasing trace levels of antibiotics and hormones in the environment and food samples are concerning and pose a threat. Opto-electrochemical sensors have received attention due to their low cost, portability, sensitivity, analytical performance, and ease of deployment in the field as compared to conventional expensive technologies that are time-consuming and require experienced professionals. Metal-organic frameworks (MOFs) with variable porosity, active functional sites, and fluorescence capacity are attractive materials for developing opto-electrochemical sensors. Herein, the insights into the capabilities of electrochemical and luminescent MOF sensors for detection and monitoring of antibiotics and hormones from various samples are critically reviewed. The detailed sensing mechanisms and detection limits of MOF sensors are addressed. The challenges, recent advances, and future directions for the development of stable, high-performance MOFs as commercially viable next-generation opto-electrochemical sensor materials for the detection and monitoring of diverse analytes are discussed.
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Affiliation(s)
- Akeem Adeyemi Oladipo
- Polymeric Materials Research Laboratory, Chemistry Department, Faculty of Arts and Science, Eastern Mediterranean University, TR North Cyprus, Famagusta, via Mersin 10, Türkiye
| | - Saba Derakhshan Oskouei
- Polymeric Materials Research Laboratory, Chemistry Department, Faculty of Arts and Science, Eastern Mediterranean University, TR North Cyprus, Famagusta, via Mersin 10, Türkiye
| | - Mustafa Gazi
- Polymeric Materials Research Laboratory, Chemistry Department, Faculty of Arts and Science, Eastern Mediterranean University, TR North Cyprus, Famagusta, via Mersin 10, Türkiye
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Das R, Nag S, Banerjee P. Electrochemical Nanosensors for Sensitization of Sweat Metabolites: From Concept Mapping to Personalized Health Monitoring. Molecules 2023; 28:1259. [PMID: 36770925 PMCID: PMC9920341 DOI: 10.3390/molecules28031259] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/31/2023] Open
Abstract
Sweat contains a broad range of important biomarkers, which may be beneficial for acquiring non-invasive biochemical information on human health status. Therefore, highly selective and sensitive electrochemical nanosensors for the non-invasive detection of sweat metabolites have turned into a flourishing contender in the frontier of disease diagnosis. A large surface area, excellent electrocatalytic behavior and conductive properties make nanomaterials promising sensor materials for target-specific detection. Carbon-based nanomaterials (e.g., CNT, carbon quantum dots, and graphene), noble metals (e.g., Au and Pt), and metal oxide nanomaterials (e.g., ZnO, MnO2, and NiO) are widely used for modifying the working electrodes of electrochemical sensors, which may then be further functionalized with requisite enzymes for targeted detection. In the present review, recent developments (2018-2022) of electrochemical nanosensors by both enzymatic as well as non-enzymatic sensors for the effectual detection of sweat metabolites (e.g., glucose, ascorbic acid, lactate, urea/uric acid, ethanol and drug metabolites) have been comprehensively reviewed. Along with this, electrochemical sensing principles, including potentiometry, amperometry, CV, DPV, SWV and EIS have been briefly presented in the present review for a conceptual understanding of the sensing mechanisms. The detection thresholds (in the range of mM-nM), sensitivities, linear dynamic ranges and sensing modalities have also been properly addressed for a systematic understanding of the judicious design of more effective sensors. One step ahead, in the present review, current trends of flexible wearable electrochemical sensors in the form of eyeglasses, tattoos, gloves, patches, headbands, wrist bands, etc., have also been briefly summarized, which are beneficial for on-body in situ measurement of the targeted sweat metabolites. On-body monitoring of sweat metabolites via wireless data transmission has also been addressed. Finally, the gaps in the ongoing research endeavors, unmet challenges, outlooks and future prospects have also been discussed for the development of advanced non-invasive self-health-care-monitoring devices in the near future.
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Affiliation(s)
- Riyanka Das
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Somrita Nag
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Priyabrata Banerjee
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
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Scalable synthesis of Ce-MOF derived CeO/C Hierarchical: Efficient electrochemical sensing of uric acid as potential biomarker in acute myeloid leukaemia patients. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Tang T, Zhou M, Lv J, Cheng H, Wang H, Qin D, Hu G, Liu X. Sensitive and selective electrochemical determination of uric acid in urine based on ultrasmall iron oxide nanoparticles decorated urchin-like nitrogen-doped carbon. Colloids Surf B Biointerfaces 2022; 216:112538. [PMID: 35526390 DOI: 10.1016/j.colsurfb.2022.112538] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/27/2022] [Accepted: 05/02/2022] [Indexed: 10/18/2022]
Abstract
Hypercrosslinked pyrrole was synthesized via the Friedel-Crafts reaction and then carbonized to obtain urchin-like nitrogen-doped carbon (UNC). Ultrasmall iron oxide nanoparticles were then supported on UNC, and the composite was used to prepare an electrochemical sensor for detecting uric acid (UA) in human urine. FexOy/UNC was characterized and analyzed via scanning electron microscopy, transmission electron microscopy, energy dispersive spectrometry, X-ray diffraction, and X-ray photoelectron spectroscopy. A glassy carbon electrode (GCE) modified with FexOy/UNC was used as an electrochemical sensor to effectively identify UA. The electrochemical behavior of the FexOy/UNC-based UA sensor was studied using differential pulse stripping voltammetry, and the optimal conditions were determined by changing the amount of FexOy/UNC, pH of the buffer solution, deposition potential, and deposition time. Under optimal conditions, the FexOy/UNC-based electrochemical sensor detected UA in the range of 2-200 μM, where the limit of detection (LOD) for UA was 0.29 μM. Anti-interference experiments were performed, and the sensor was applied to the actual analysis of human urine samples. Urea, glucose, ascorbic acid, and many cations and anions present at 100-fold concentrations relative to UA did not strongly interfere with the response of the sensor to UA. The FexOy/UNC electrochemical sensor has high sensitivity and selectivity for uric acid in human urine samples and can be used for actual clinical testing of UA in urine.
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Affiliation(s)
- Tingfan Tang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China; Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, PR China
| | - Menglin Zhou
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China
| | - Jiapei Lv
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China.
| | - Huaisheng Wang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, China
| | - Danfeng Qin
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China
| | - Guangzhi Hu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650504, PR China; Department of Physics, Umeå University, Umeå 901 87, Sweden.
| | - Xiaoyan Liu
- Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, School of Pharmacy, Anhui Medical University, Hefei 230032, PR China.
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8
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Zhang L, Wang L, Li J, Cui C, Zhou Z, Wen L. Surface Engineering of Laser-Induced Graphene Enables Long-Term Monitoring of On-Body Uric Acid and pH Simultaneously. NANO LETTERS 2022; 22:5451-5458. [PMID: 35731860 DOI: 10.1021/acs.nanolett.2c01500] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Laser-induced graphene (LIG) suffers from serious decay in long-term biosensing, which greatly restricts its practical applications. Herein, we report a new strategy to engineer the LIG surface with Au clusters and chitosan sequentially to form a C-Au-LIG electrode with a superhydrophilic and highly conductive 3D graphene surface, which demonstrates superior performance and negligible decay in both long-term storage and practical usage in vitro and in vivo environments. Moreover, the C-Au-LIG electrode can be used for detecting uric acid (UA) and pH simultaneously from a single differential pulse voltammetry curve with low-detection limitation, high accuracy, and negligible interference with other sweat biomarkers. The integrated C-Au-LIG wearable biosensor was employed to continuously monitor the UA content in human sweat, which can well reflect the daily intake of purines for at least 10 days. Therefore, the C-Au-LIG electrode demonstrates significant application potential and provides inspiration for surface engineering of other biosensor materials and electrodes.
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Affiliation(s)
- Liqiang Zhang
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
| | - Lang Wang
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
| | - Jiye Li
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
| | - Can Cui
- Department of Materials Science and Engineering & Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3136, United States of America
| | - Ziqian Zhou
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
| | - Liaoyong Wen
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China
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Haššo M, Švorc Ľ. Batch injection analysis in tandem with electrochemical detection: the recent trends and an overview of the latest applications (2015–2020). MONATSHEFTE FUR CHEMIE 2022; 153:985-1000. [PMID: 35221380 PMCID: PMC8863510 DOI: 10.1007/s00706-022-02898-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 02/03/2022] [Indexed: 12/24/2022]
Abstract
The purpose of the proposed review is to refer the contemporary capability of automated analytical systems, in particular batch injection analysis (BIA) in connection with electrochemical detection, for widespread applications in analytical chemistry. This combination recently represents an efficient tool for improvement of method parameters, such as speed, selectivity, and sampling rate for sensing of miscellaneous organic and inorganic substances. The review is focused on conception and usage of BIA in tandem with electrochemical detection utilizing various techniques, namely amperometry, voltammetry, and multiple pulse amperometry, as well as design of electrochemical cells constructed for BIA systems is discussed. Finally, this paper also summarizes the comprehensive overview of works published from 2015 to 2020 dealing with the electrochemical determination of different analytes by BIA in various matrices.
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Affiliation(s)
- Marek Haššo
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, 812 37 Bratislava, Slovak Republic
| | - Ľubomír Švorc
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, 812 37 Bratislava, Slovak Republic
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10
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Wang F, Chai X, Fu X, Mao G, Wang H. Fabrication of nitrogen-enriched carbon dots with green fluorescence for enzyme-free detection of uric acid. NEW J CHEM 2022. [DOI: 10.1039/d2nj02538h] [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
Based on the fact that UA directly quenched the green fluorescence of NCDs prepared at RT, a non-invasive sensor was developed.
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Affiliation(s)
- Fengxiang Wang
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Xinyue Chai
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Xinyang Fu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Guojiang Mao
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, P. R. China
| | - Hua Wang
- Huzhou Key Laboratory of Medical and Environmental Applications Technologies, School of Life Sciences, Huzhou University, Huzhou City, Zhejiang Province 313000, P. R. China
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Turkkan G, Bas SZ, Atacan K, Ozmen M. An electrochemical sensor based on a Co 3O 4-ERGO nanocomposite modified screen-printed electrode for detection of uric acid in artificial saliva. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 14:67-75. [PMID: 34904141 DOI: 10.1039/d1ay01744f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this study, we report the fabrication of a nanocomposite consisting of Co3O4 nanoparticles (Co3O4 NPs) and electrochemically reduced graphene oxide (ERGO) on a screen-printed electrode (SPE) and its sensing performance in the electrochemical detection of uric acid (UA). The surface modification of the electrode was confirmed by using a variety of characterization techniques (FE-SEM, XRD, AFM, EDX, WCA, FTIR, and Raman spectroscopy). In addition, the surface modification was electrochemically characterized step by step through CV, EIS and DPV techniques, and the results showed that the Co3O4-ERGO nanocomposite exhibited highly sensitive and selective sensing performance towards the oxidation of UA in 0.1 M (pH 7.0) phosphate buffer solution (PBS). The sensor (Co3O4-ERGO/SPE) signals were observed to be linear to the UA concentration in the range of 5 μM to 500 μM (R2 = 0.9985). After revealing its other performance characteristics, such as repeatability, reproducibility, stability, sensitivity, and selectivity, the sensor was successfully applied to the analysis of UA in artificial saliva samples.
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Affiliation(s)
- Gizem Turkkan
- Department of Chemistry, Selcuk University, 42250, Konya, Turkey.
| | - Salih Zeki Bas
- Department of Chemistry, Selcuk University, 42250, Konya, Turkey.
| | - Keziban Atacan
- Biomedical, Magnetic and Semiconductor Materials Application and Research Center (BIMAS-RC), Sakarya University, 54187, Sakarya, Turkey
| | - Mustafa Ozmen
- Department of Chemistry, Selcuk University, 42250, Konya, Turkey.
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Bukharinova MA, Stozhko NY, Novakovskaya EA, Khamzina EI, Tarasov AV, Sokolkov SV. Developing Activated Carbon Veil Electrode for Sensing Salivary Uric Acid. BIOSENSORS 2021; 11:287. [PMID: 34436089 PMCID: PMC8394272 DOI: 10.3390/bios11080287] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 05/04/2023]
Abstract
The paper describes the development of a carbon veil-based electrode (CVE) for determining uric acid (UA) in saliva. The electrode was manufactured by lamination technology, electrochemically activated and used as a highly sensitive voltammetric sensor (CVEact). Potentiostatic polarization of the electrode at 2.0 V in H2SO4 solution resulted in a higher number of oxygen and nitrogen-containing groups on the electrode surface; lower charge transfer resistance; a 1.5 times increase in the effective surface area and a decrease in the UA oxidation potential by over 0.4 V, compared with the non-activated CVE, which was confirmed by energy dispersive X-ray spectroscopy, electrochemical impedance spectroscopy, chronoamperometry and linear sweep voltammetry. The developed sensor is characterized by a low detection limit of 0.05 µM and a wide linear range (0.09-700 µM). The results suggest that the sensor has perspective applications for quick determination of UA in artificial and human saliva. RSD does not exceed 3.9%, and recovery is 96-105%. UA makes a significant contribution to the antioxidant activity (AOA) of saliva (≈60%). In addition to its high analytical characteristics, the important advantages of the proposed CVEact are the simple, scalable, and cost-effective manufacturing technology and the absence of additional complex and time-consuming modification operations.
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Affiliation(s)
| | - Natalia Yu. Stozhko
- Scientific and Innovation Center of Sensor Technologies, Department of Physics and Chemistry, Ural State University of Economics, 8 Marta St., 62, 620144 Yekaterinburg, Russia; (M.A.B.); (E.A.N.); (E.I.K.); (A.V.T.); (S.V.S.)
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Azeredo NFB, Gonçalves JM, Lima IS, Araki K, Wang J, Angnes L. Screen‐printed Nickel‐Cerium Hydroxide Sensor for Acetaminophen Determination in Body Fluids. ChemElectroChem 2021. [DOI: 10.1002/celc.202100417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Nathália F. B. Azeredo
- Department of Fundamental Chemistry Institute of Chemistry University of São Paulo São Paulo Brazil
- Department of Nanoengineering University of California San Diego La Jolla USA
| | - Josué M. Gonçalves
- Department of Fundamental Chemistry Institute of Chemistry University of São Paulo São Paulo Brazil
| | - Irlan S. Lima
- Department of Fundamental Chemistry Institute of Chemistry University of São Paulo São Paulo Brazil
| | - Koiti Araki
- Department of Fundamental Chemistry Institute of Chemistry University of São Paulo São Paulo Brazil
| | - Joseph Wang
- Department of Nanoengineering University of California San Diego La Jolla USA
| | - Lúcio Angnes
- Department of Fundamental Chemistry Institute of Chemistry University of São Paulo São Paulo Brazil
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14
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Johnson AP, Sabu C, Swamy NK, Anto A, Gangadharappa H, Pramod K. Graphene nanoribbon: An emerging and efficient flat molecular platform for advanced biosensing. Biosens Bioelectron 2021; 184:113245. [DOI: 10.1016/j.bios.2021.113245] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/27/2021] [Accepted: 04/09/2021] [Indexed: 02/07/2023]
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15
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Li D, Wu C, Tang X, Zhang Y, Wang T. Electrochemical Sensors Applied for In vitro Diagnosis. Chem Res Chin Univ 2021. [DOI: 10.1007/s40242-021-0387-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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16
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Gonçalves JM, Iglesias BA, Martins PR, Angnes L. Recent advances in electroanalytical drug detection by porphyrin/phthalocyanine macrocycles: developments and future perspectives. Analyst 2021; 146:365-381. [DOI: 10.1039/d0an01734e] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Porphyrins and phthalocyanines used to construct sensors for electroanalytical drug detection.
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Affiliation(s)
- Josué M. Gonçalves
- Instituto de Química
- Universidade de São Paulo
- 05508-000 São Paulo-SP
- Brazil
| | - Bernardo A. Iglesias
- Laboratório de Bioinorgânica e Materiais Porfirínicos
- Departamento de Química
- Universidade Federal de Santa Maria
- Santa Maria - RS
- Brazil
| | - Paulo R. Martins
- Instituto de Química
- Universidade Federal de Goiás
- 74690-900 Goiânia-GO
- Brazil
| | - Lúcio Angnes
- Instituto de Química
- Universidade de São Paulo
- 05508-000 São Paulo-SP
- Brazil
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