1
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Vásquez-Velarde M, Fernández L, Bolaños-Méndez D, Burbano-Erazo H, Alvarez-Paguay J, Carrera P, Espinoza-Montero PJ. Evaluation of a gold-nanoparticle-modified carbon-fiber microelectrode to quantify mercury in canned tuna sold in Ecuador. CHEMOSPHERE 2023; 338:139483. [PMID: 37454989 DOI: 10.1016/j.chemosphere.2023.139483] [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: 03/31/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
Seafood consumption is the primary exposure route for trace metals like mercury. Accordingly, canned tuna meat has been focused on by researchers because of the potential bioaccumulation of high amounts of mercury. This study aimed to test a novel and reliable electroanalytical method employing a working electrode consisting of gold-nanoparticle-modified carbon microfibers to quantify total mercury in canned tuna samples. Determination was achieved via differential pulse anodic stripping voltammetry. The proposed method had a limit of detection of 3.9781 ± 0.0001 μg L-1 and a limit of quantification of 33.6634 ± 0.0001 μg L-1, with a sensitivity of 0.3275 nA μg L-1. The modified electrode was evaluated in samples taken from three canned tuna brands sold in the Sangolquí parish in Rumiñahui, Ecuador. These brands, coded A, B, and C, represent 47.92%, 27.08%, and 11.98% of all canned tuna sold in the Ecuadorian market, respectively. The resulting respective total mercury concentrations were 0.5999 ± 0.0001 mg kg-1; 0.9387 ± 0.0001 mg kg-1; and 0.3442 ± 0.0001 mg kg-1 for A, B, and C. Method accuracy was determined through the recovery percentages of ≥98%, which indicated acceptable accuracy for the final optimized method. Mean mercury concentrations for all samples did not represent a carcinogenic risk for consumers. However, the values obtained for potential no-carcinogenic risk and daily consumption rate suggest that consumers of tuna canned in water, particularly brand C, may be at risk.
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Affiliation(s)
- Milena Vásquez-Velarde
- Escuela de Ciencias Químicas, Pontificia Universidad Católica Del Ecuador, Quito 17 01 21-84, Ecuador
| | - Lenys Fernández
- Escuela de Ciencias Químicas, Pontificia Universidad Católica Del Ecuador, Quito 17 01 21-84, Ecuador.
| | - Diego Bolaños-Méndez
- Escuela de Ciencias Químicas, Pontificia Universidad Católica Del Ecuador, Quito 17 01 21-84, Ecuador
| | - Harold Burbano-Erazo
- Escuela de Ciencias Químicas, Pontificia Universidad Católica Del Ecuador, Quito 17 01 21-84, Ecuador
| | - Jocelyne Alvarez-Paguay
- Escuela de Ciencias Químicas, Pontificia Universidad Católica Del Ecuador, Quito 17 01 21-84, Ecuador
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2
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Kaur R, Rana S, Kaur R, Jyoti, Kaur N, Singh B. Bio-mimetic selectivity in Hg 2+ sensing developed via electro-copolymerized PEDOT and benzothiazole-Au nanoparticles composite. Mikrochim Acta 2023; 190:396. [PMID: 37715841 DOI: 10.1007/s00604-023-05972-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 08/27/2023] [Indexed: 09/18/2023]
Abstract
To eliminate the potential health risks of mercury, development of stable and selective mercury sensor with high sensitivity is the need of the hour. To address this, a novel PEDOT-AA-BTZ-Au-based Hg2+ selective, hybrid electrochemical sensor has been designed by following a simple protocol for electrode fabrication. The electrode was designed by carefully optimizing the onset oxidation potential of supramolecule 2-(anthracen-9-yl)benzo[d]thiazole (AA-BTZ) and conducting polymer poly-(3,4-ethylenedioxythiophene) (PEDOT), using copolymerization approach followed by dropcasting of gold nanoparticles (AuNPs). The designed electrode offered synergistic effects thus augmenting the electrical conductivity and adsorption capacity as depicted by its porous surface morphology. The highly sensitive analytical signal was generated by sulphur pockets present in AA-BTZ and PEDOT conducting framework. This is further complemented by the selectivity offered by the soft interactions between AuNPs and Hg2+ resulting in a low detection limit of 0.60 nM. The prepared system was further utilized for sensing Hg2+ ion in real systems including lake water and cosmetic samples. Low interference from other ions and better reproducibility further established the suitability of the designed transducer system for future on-site sensing.
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Affiliation(s)
- Randeep Kaur
- Department of Chemistry, Panjab Univeristy, Chandigarh, 160014, India
| | - Shweta Rana
- Department of Chemistry, Panjab Univeristy, Chandigarh, 160014, India.
| | - Ranjeet Kaur
- Department of Chemistry, Panjab Univeristy, Chandigarh, 160014, India
- University Centre for Research & Development (UCRD), Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, 140413, India
| | - Jyoti
- Department of Chemistry, Panjab Univeristy, Chandigarh, 160014, India
| | - Navneet Kaur
- Department of Chemistry, Panjab Univeristy, Chandigarh, 160014, India
| | - Bhupender Singh
- Department of Chemistry, Panjab Univeristy, Chandigarh, 160014, India
- Department of Chemistry, Pandit Neki Ram Sharma Government College Rohtak, Rohtak, Haryana, 124001, India
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3
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Nair VR, Shanthil M, Sandeep K, Savitha KU, Archana A, Deepamol V, Swetha C, Vaishag PV. Quantum Dot-Based Fluorometric Sensor for Hg(II) in Water Customizable for Onsite Visual Detection. ACS OMEGA 2023; 8:29468-29474. [PMID: 37599930 PMCID: PMC10433339 DOI: 10.1021/acsomega.3c03125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 07/19/2023] [Indexed: 08/22/2023]
Abstract
An easy naked-eye detection technique for mercuric ions in water using silanized quantum dots is demonstrated. Cadmium selenide quantum dots were synthesized and rendered water soluble by silica overcoating. The quantum dot emission was instantly turned off by the mercuric ions in the analyte, enabling visual detection. The emission quenching was associated with a concomitant bathochromic shift, both in the absorption and emission profiles. The underlying mechanism is a permanent surface modification of quantum dots by mercuric ions, altering the electronic structure and, in turn, the photophysical properties. The results confirmed the potential of this simple system to be customized for on-site visual detection of mercury contamination in water bodies, biological fluids, and soil with high selectivity and sensitivity.
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Affiliation(s)
- Vinayakan Ramachandran Nair
- Department
of Chemistry (Research Center under MG University, Kerala), NSS Hindu College (Nationally Accredited with “A”
Grade), Changanacherry 686102, Kerala, India
- Chemical
Sciences and Technology Division, National
Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Thiruvananthapuram 695019, Kerala, India
| | - Madhavan Shanthil
- Department
of Chemistry, Government Victoria College, Research Center under University of Calicut, Palakkad 678001, Kerala, India
| | - Kulangara Sandeep
- Department
of Chemistry, Government Victoria College, Research Center under University of Calicut, Palakkad 678001, Kerala, India
| | - Kadencheeri Unnikrishnan Savitha
- Department
of Chemistry (Research Center under MG University, Kerala), NSS Hindu College (Nationally Accredited with “A”
Grade), Changanacherry 686102, Kerala, India
| | - Aravind Archana
- Aravind
Archana—Saveetha School of Engineering SIMATS, Chennai 602105, Tamilnadu, India
| | - Varghese Deepamol
- PG
Department of Chemistry, Alphonsa College, Pala 686 574, Kerala, India
| | - Chengat Swetha
- Department
of Chemistry, St. Thomas College, Ranni 689673, Kerala, India
| | - Pushpalatha Vijayakumar Vaishag
- Department
of Chemistry, Government Victoria College, Research Center under University of Calicut, Palakkad 678001, Kerala, India
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4
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Layglon N, Creffield S, Bakker E, Tercier-Waeber ML. On-field high-resolution quantification of the cobalt fraction available for bio-uptake in natural waters using antifouling gel-integrated microelectrode arrays. MARINE POLLUTION BULLETIN 2023; 189:114807. [PMID: 36924693 DOI: 10.1016/j.marpolbul.2023.114807] [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: 12/03/2022] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
We report the optimization, characterization, and validation of Adsorptive Square Wave Cathodic Stripping Voltammetry on antifouling gel-integrated microelectrode arrays for autonomous, direct monitoring of cobalt(II) metal species. Detection is accomplished by complexation with an added nioxime ligand. The limit of detection established for a 90 s accumulation time was 0.29 ± 0.01 nM in freshwater and 0.27 ± 0.06 nM in seawater. The microelectrode array was integrated in a submersible probe to automatically dose the complexing agent nioxime and realize an integrated sensing system. For the first time ever, the potentially bioavailable Co(II) fraction was determined in La Leyre River-Arcachon Bay continuum, enabling to evaluate the potential ecotoxicological impact of freshwater-carried Co(II) in the Arcachon Bay. The measured potentially bioavailable Co(II) concentrations were hazardous for aquatic biota along the continuum. The electrochemical Co(II) data were compared to ICP-MS data in various fractions to determine spatial Co(II) speciation.
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Affiliation(s)
- Nicolas Layglon
- Department of Inorganic and Analytical Chemistry, University of Geneva, Quai E.-Ansermet 30, 1211 Geneva, Switzerland.
| | - Sébastien Creffield
- Department of Inorganic and Analytical Chemistry, University of Geneva, Quai E.-Ansermet 30, 1211 Geneva, Switzerland
| | - Eric Bakker
- Department of Inorganic and Analytical Chemistry, University of Geneva, Quai E.-Ansermet 30, 1211 Geneva, Switzerland
| | - Mary-Lou Tercier-Waeber
- Department of Inorganic and Analytical Chemistry, University of Geneva, Quai E.-Ansermet 30, 1211 Geneva, Switzerland.
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5
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Pinheiro JP, Rotureau E. Electroanalytical Trace Metal Cations Quantification and Speciation in Freshwaters: Historical Overview, Critical Review of the Last Five Years and Road Map for Developing Dynamic Speciation Field Measurements. Molecules 2023; 28:molecules28062831. [PMID: 36985802 PMCID: PMC10056914 DOI: 10.3390/molecules28062831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
An historical overview covering the field of electroanalytical metal cations speciation in freshwaters is presented here, detailing both the notable experimental and theoretical developments. Then, a critical review of the progress in the last five years is given, underlining in particular the improvements in electrochemical setups and methodologies dedicated to field surveys. Given these recent achievements, a road map to carry out on-site dynamic metal speciation measurements is then proposed, and the key future developments are discussed. This review shows that electroanalytical stripping techniques provide a unique framework for quantitatively assessing metals at trace levels while offering access to both thermodynamic and dynamic features of metal complexation with natural colloidal and particulate ligands.
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Affiliation(s)
- José Paulo Pinheiro
- Université de Lorraine, CNRS, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), F-54000 Nancy, France
| | - Elise Rotureau
- Université de Lorraine, CNRS, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), F-54000 Nancy, France
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6
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Li Y, Liao Z, Lin X, Ding J, Qin W. In Situ Continuous Measurement of Salinity in Estuarine and Coastal Sediments by All-Solid Potentiometric Sensors. ACS Sens 2023; 8:1568-1578. [PMID: 36926846 DOI: 10.1021/acssensors.2c02690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Salinity is crucial for understanding the environmental and ecological processes in estuarine and coastal sediments. In situ measurements in sediments are scarce due to the low water content and particulate adsorption. Here, a new potentiometric sensor principle is proposed for the real-time in situ measurement of salinity in sediments. The sensor system is based on paper sampling and two all-solid electrodes, a cation-selective electrode (copper hexacyanoferrate, CuHCF) and an anion-selective electrode (Ag/AgCl). The spontaneous aqueous electrolyte extraction and redox reaction can produce a Nernstian response on both electrodes that is directly related to salinity. This potentiometric sensor allows for salinity acquisition in a wide salinity range (1-50 ppt), with high resolution (<1 ppt), and at a low water content (<30%), and it has been applied for the in situ measurement of salinity and the interpretation of cycling processes of metals in estuarine and coastal sediments. Moreover, the sensor coupled to a wireless monitoring system exhibited remote-sensing capability and successfully captured the salinity dynamic processes of the overlying water and pore water during the tidal period. This sensor with its low cost, versatility, and applicability represents a valuable tool to advance the comprehension of salinity and the salinity-driven dissolved-matter variations in estuarine and coastal sediments.
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Affiliation(s)
- Yinhao Li
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Chinese Academy of Sciences (CAS), Yantai, Shandong 264003, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zhibo Liao
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Chinese Academy of Sciences (CAS), Yantai, Shandong 264003, P. R. China
| | - Xindong Lin
- College of Geoscience and Surveying Engineering, China University of Mining & Technology, Beijing 100049, China
| | - Jiawang Ding
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Chinese Academy of Sciences (CAS), Yantai, Shandong 264003, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wei Qin
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Chinese Academy of Sciences (CAS), Yantai, Shandong 264003, P. R. China.,Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong 266237, P. R. China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, Shandong 266071, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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7
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Li Y, Han H, Wang C, Liang Y, Pan D, Wang H. An antifouling gel-protected iridium needle sensor: Long-term, on-site monitoring of copper in seawater. CHEMOSPHERE 2023; 313:137366. [PMID: 36427573 DOI: 10.1016/j.chemosphere.2022.137366] [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: 09/05/2022] [Revised: 11/08/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
Copper (Cu), a natural micronutrient with ecotoxicological significance, is involved in the carbon and nitrogen cycles occurring in marine ecosystems. Here, we developed a novel, antifouling gel-protected iridium (Ir) needle electrode modified with gold nanoparticles (G-IrNS) for long-term continuous and steady Cu monitoring. The gel formed an efficient membrane that effectively prevented the fouling of the sensing surface and displayed anti-convective properties, ensuring that mass transport toward the sensor surface was wholly controlled via diffusion. The repeatability, reproducibility, and stability of G-IrNS showed that it was suitable for long-term and on-site monitoring of Cu in seawater. Cu concentrations were successfully measured via fixed-point continuous monitoring for >2 weeks and onboard continuous monitoring in Bohai Sea using one sensor. Moreover, the relationship between Cu concentrations measured on-site via G-IrNS and its dissolved concentration in Bohai Sea was evaluated. G-IrNS can be applied to other metal ions as well, especially for long-term automatic on-site monitoring, thereby providing a basis for further research.
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Affiliation(s)
- Ying Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100, China; CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environment Engineering Technology of Shandong Province, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Haitao Han
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environment Engineering Technology of Shandong Province, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Chenchen Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environment Engineering Technology of Shandong Province, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Yan Liang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environment Engineering Technology of Shandong Province, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Dawei Pan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environment Engineering Technology of Shandong Province, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; University of Academy of Sciences, Beijing, 100049, China.
| | - Haizeng Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100, China.
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8
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Creffield S, Tercier-Waeber ML, Gressard T, Bakker E, Layglon N. On-Chip Antifouling Gel-Integrated Microelectrode Arrays for In Situ High-Resolution Quantification of the Nickel Fraction Available for Bio-Uptake in Natural Waters. Molecules 2023; 28:molecules28031346. [PMID: 36771016 PMCID: PMC9919566 DOI: 10.3390/molecules28031346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 02/04/2023] Open
Abstract
We aimed to monitor in situ nickel (Ni(II)) concentrations in aquatic systems in the nanomolar range. To achieve this, we investigated whether an analytical protocol for the direct quantification of cobalt (Co(II)) using adsorptive cathodic sweep voltammetry (Ad-CSV) on antifouling gel-integrated microelectrode arrays (GIME) we recently developed is also suitable for direct Ni(II) quantification. The proposed protocol consists of the reduction of the complex formed between Ni(II) (or Ni(II) and Co(II)) and nioxime adsorbed on the surface of the GIME-sensing element. The GIME enables to (i) avoid fouling, (ii) control the metal complex mass transport and, when interrogated by Ad-CSV, (iii) selectively determine the dynamic (kinetically labile Ni-nioxime) fraction that is potentially bioavailable. The nioxime concentration and pH were optimized. A temperature correction factor was determined. The limit of detection established for 90 s of accumulation time was 0.43 ± 0.06 in freshwater and 0.34 ± 0.02 nM in seawater. The sensor was integrated in a submersible probe in which the nioxime-containing buffer and the sample were mixed automatically. In situ field measurements at high resolution were successfully achieved in Lake Geneva during a diurnal cycle. The determination of the kinetically labile Ni-nioxime fraction allows one to estimate the potential ecotoxicological impact of Ni(II) in Lake Geneva. Additional Ni fractions were measured by ICP-MS and coupled to the in situ Ad-CSV data to determine the temporal Ni(II) speciation.
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9
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Li Q, Fu S, Wang X, Wang L, Liu X, Gao Y, Li Q, Wang W. Electrochemical and Photoelectrochemical Detection of Hydrogen Peroxide Using Cu 2O/Cu Nanowires Decorated with TiO 2-x Deriving from MXenes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:57471-57480. [PMID: 36520600 DOI: 10.1021/acsami.2c19531] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
H2O2 is a major transmitter of redox signals in electrochemical processes, whose detection is relevant for various industries. Herein, we developed a new fabrication method for a Cu2O/Cu nanowire-based nonenzymatic H2O2 electrochemical sensor that was decorated with irregular TiO2-x nanoparticles deriving form Ti3C2 MXene. The TiO2-x/Cu2O/Cu-NW electrodes possess excellent selectivity, stability, and reproducibility for H2O2 detection in both EC and PEC operational modes. In the EC detection of H2O2, the TiO2-x/Cu2O/Cu-NW electrode shows a linear relationship in the range from 10 μM to 42.19 mM and a low detection limit of 0.79 μM (S/N = 3), which has a similar sensitivity but a much broader linear range compared with the commercial H2O2 analyzer (0-5.88 mM, Q45H/84, US-QContums). It also shows excellent recovery in detecting H2O2 in the real orange juice and milk samples with the recovery ranging from 96.9 to 105%, indicating the potential for practical applications. In the PEC detection of H2O2, the TiO2-x/Cu2O/Cu-NW electrode shows a lower detection limit of 59 nM (S/N = 3), which is 13 times more sensitive than the EC electrode. The enhanced PEC performance can be attributed to the formation of p-n heterojunction between TiO2-x and Cu2O, which improves light utilization and inhibits the recombination of photo-induced electrons and holes. This work illuminates the extraordinary potential of MXene-derived TiO2 in electrochemical and photoelectrochemical applications.
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Affiliation(s)
- Quan Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao266100, China
| | - Shufei Fu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao266100, China
| | - Xing Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao266100, China
| | - Liang Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao266100, China
| | - Xin Liu
- Institute for New Energy Materials and Low-Carbon Technologies, Tianjin University of Technology, Tianjin300384, China
| | - Yongsheng Gao
- Institute for Integrated and Intelligent Systems, School of Engineering and Built Environment, Griffith University, Brisbane, Queensland4111, Australia
| | - Qin Li
- Queensland Micro- and Nanotechnology Centre, School of Engineering and Built Environment, Griffith University, Nathan Campus, Brisbane, Queensland4111, Australia
| | - Wentai Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao266100, China
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10
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Siavash Moakhar R, del Real Mata C, Jalali M, Shafique H, Sanati A, de Vries J, Strauss J, AbdElFatah T, Ghasemi F, McLean M, I. Hosseini I, Lu Y, Yedire SG, Mahshid SS, Tabatabaiefar MA, Liang C, Mahshid S. A Versatile Biomimic Nanotemplating Fluidic Assay for Multiplex Quantitative Monitoring of Viral Respiratory Infections and Immune Responses in Saliva and Blood. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204246. [PMID: 36253095 PMCID: PMC9685479 DOI: 10.1002/advs.202204246] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Indexed: 05/17/2023]
Abstract
The last pandemic exposed critical gaps in monitoring and mitigating the spread of viral respiratory infections at the point-of-need. A cost-effective multiplexed fluidic device (NFluidEX), as a home-test kit analogous to a glucometer, that uses saliva and blood for parallel quantitative detection of viral infection and body's immune response in an automated manner within 11 min is proposed. The technology integrates a versatile biomimetic receptor based on molecularly imprinted polymers in a core-shell structure with nano gold electrodes, a multiplexed fluidic-impedimetric readout, built-in saliva collection/preparation, and smartphone-enabled data acquisition and interpretation. NFluidEX is validated with Influenza A H1N1 and SARS-CoV-2 (original strain and variants of concern), and achieves low detection limit in saliva and blood for the viral proteins and the anti-receptor binding domain (RBD) Immunoglobulin G (IgG) and Immunoglobulin M (IgM), respectively. It is demonstrated that nanoprotrusions of gold electrodes are essential for the fine templating of antibodies and spike proteins during molecular imprinting, and differentiation of IgG and IgM in whole blood. In the clinical setting, NFluidEX achieves 100% sensitivity and 100% specificity by testing 44 COVID-positive and 25 COVID-negative saliva and blood samples on par with the real-time quantitative polymerase chain reaction (p < 0.001, 95% confidence) and the enzyme-linked immunosorbent assay.
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Affiliation(s)
| | | | - Mahsa Jalali
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | - Houda Shafique
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | - Alireza Sanati
- Biosensor Research CenterIsfahan University of Medical SciencesIsfahan81746‐73461Iran
| | - Justin de Vries
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | - Julia Strauss
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | - Tamer AbdElFatah
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | - Fahimeh Ghasemi
- Biosensor Research CenterIsfahan University of Medical SciencesIsfahan81746‐73461Iran
| | - Myles McLean
- Department of MedicineMcGill UniversityMontrealQuebecH4A 3J1Canada
- Lady Davis Institute for Medical Research and McGill AIDS CentreJewish General HospitalMontrealQCH3T 1E2Canada
| | - Imman I. Hosseini
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | - Yao Lu
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
| | | | - Sahar Sadat Mahshid
- Biological SciencesSunnybrook Research InstituteSunnybrook Health Sciences CentreTorontoONM4N 3M5Canada
| | - Mohammad Amin Tabatabaiefar
- Department of Genetics and Molecular BiologySchool of MedicineIsfahan University of Medical SciencesIsfahan81746‐73461Iran
| | - Chen Liang
- Department of MedicineMcGill UniversityMontrealQuebecH4A 3J1Canada
- Lady Davis Institute for Medical Research and McGill AIDS CentreJewish General HospitalMontrealQCH3T 1E2Canada
| | - Sara Mahshid
- Department of BioengineeringMcGill UniversityMontrealQuebecH3A 0E9Canada
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Worms IAM, Kavanagh K, Moulin E, Regier N, Slaveykova VI. Asymmetrical Flow Field-Flow Fractionation Methods for Quantitative Determination and Size Characterization of Thiols and for Mercury Size Speciation Analysis in Organic Matter-Rich Natural Waters. Front Chem 2022; 10:800696. [PMID: 35252112 PMCID: PMC8888841 DOI: 10.3389/fchem.2022.800696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 01/05/2022] [Indexed: 12/13/2022] Open
Abstract
Asymmetrical flow field-flow fractionation (AF4) efficiently separates various macromolecules and nano-components of natural waters according to their hydrodynamic sizes. The online coupling of AF4 with fluorescence (Fluo) and UV absorbance (UV) detectors (FluoD and UVD, respectively) and inductively coupled plasma–mass spectrometry (ICP-MS) provides multidimensional information. This makes it a powerful tool to characterize and quantify the size distributions of organic and inorganic nano-sized components and their interaction with trace metals. In this study, we developed a method combining thiol labeling by monobromo(trimethylammonio)bimane bromide (qBBr) with AF4–FluoD to determine the size distribution and the quantities of thiols in the macromolecular dissolved organic matter (DOM) present in highly colored DOM-rich water sampled from Shuya River and Lake Onego, Russia. We found that the qBBr-labeled components of DOM (qB-DOM) were of humic type, characterized by a low hydrodynamic size (dh < 2 nm), and have concentrations <0.3 μM. After enrichment with mercury, the complexes formed between the nano-sized components and Hg were analyzed using AF4–ICP-MS. The elution profile of Hg followed the distribution of the UV-absorbing components of DOM, characterized by slightly higher sizes than qB-DOM. Only a small proportion of Hg was associated with the larger-sized components containing Fe and Mn, probably inorganic oxides that were identified in most of the samples from river to lake. The size distribution of the Hg–DOM complexes was enlarged when the concentration of added Hg increased (from 10 to 100 nM). This was explained by the presence of small iron oxides, overlapping the size distribution of Hg–DOM, on which Hg bound to a small proportion. In addition, to provide information on the dispersion of macromolecular thiols in colored DOM-rich natural water, our study also illustrated the potential of AF4–FluoD–UVD–ICP-MS to trace or quantify dynamic changes while Hg binds to the natural nano-colloidal components of surface water.
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Yang Q, Nagar B, Alvarez-Diduk R, Balsells M, Farinelli A, Bloisi D, Proia L, Espinosa C, Ordeix M, Knutz T, De Vito-Francesco E, Allabashi R, Merkoçi A. Development of a Heavy Metal Sensing Boat for Automatic Analysis in Natural Waters Utilizing Anodic Stripping Voltammetry. ACS ES&T WATER 2021; 1:2470-2476. [PMID: 34918010 PMCID: PMC8669633 DOI: 10.1021/acsestwater.1c00192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 05/23/2023]
Abstract
Determination of the levels of heavy metal ions would support assessment of sources and pathways of water pollution. However, traditional spatial assessment by manual sampling and off-site detection in the laboratory is expensive and time-consuming and requires trained personnel. Aiming to fill the gap between on-site automatic approaches and laboratory techniques, we developed an autonomous sensing boat for on-site heavy metal detection using square-wave anodic stripping voltammetry. A fluidic sensing system was developed to integrate into the boat as the critical sensing component and could detect ≤1 μg/L Pb, ≤6 μg/L Cu, and ≤71 μg/L Cd simultaneously in the laboratory. Once its integration was completed, the autonomous sensing boat was tested in the field, demonstrating its ability to distinguish the highest concentration of Pb in an effluent of a galena-enriched mine compared to those at other sites in the stream (Osor Stream, Girona, Spain).
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Affiliation(s)
- Qiuyue Yang
- Nanobioelectronics
and Biosensors Group, Catalan Institute
of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona
Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
- Universitat
Autònoma de Barcelona, Department
of Material Science, Campus
de la UAB, Plaça Cívica, Bellaterra, 08193 Barcelona, Spain
| | - Bhawna Nagar
- Nanobioelectronics
and Biosensors Group, Catalan Institute
of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona
Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
- École
Polytechnique Fédérale de Lausanne (EPFL) Valais Wallis,
Laboratory of Physical and Analytical Electrochemistry, Rue de l’Industrie 17, 1950 Sion, Switzerland
| | - Ruslán Alvarez-Diduk
- Nanobioelectronics
and Biosensors Group, Catalan Institute
of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona
Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Marc Balsells
- Nanobioelectronics
and Biosensors Group, Catalan Institute
of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona
Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Alessandro Farinelli
- University
of Verona, Department of Computer
Science, Ca Vignal 2,
Strada le Grazie 15, 37134 Verona, Italy
| | - Domenico Bloisi
- University
of Verona, Department of Computer
Science, Ca Vignal 2,
Strada le Grazie 15, 37134 Verona, Italy
- Department
of Mathematics, Computer Science, and Economics, University of Basilicata, 85100 Potenza, Italy
| | - Lorenzo Proia
- BETA Technological
Center, University of Vic-Central University
of Catalonia (UVic-UCC), 08500 Vic, Spain
| | - Carmen Espinosa
- BETA Technological
Center, University of Vic-Central University
of Catalonia (UVic-UCC), 08500 Vic, Spain
- CERM, Center
for the Study of Mediterranean Rivers, University of Vic-Central University
of Catalonia (UVic-UCC), 08560 Manlleu, Spain
| | - Marc Ordeix
- BETA Technological
Center, University of Vic-Central University
of Catalonia (UVic-UCC), 08500 Vic, Spain
- CERM, Center
for the Study of Mediterranean Rivers, University of Vic-Central University
of Catalonia (UVic-UCC), 08560 Manlleu, Spain
| | - Thorsten Knutz
- Go
Systemelektronik GmbH, Falunerweg 1, D-24109 Kiel, Germany
| | - Elisabetta De Vito-Francesco
- University
of Natural Resources and Life Sciences, Institute for Sanitary Engineering
and Water Pollution Control, Muthgasse 18, 1190 Vienna, Austria
| | - Roza Allabashi
- University
of Natural Resources and Life Sciences, Institute for Sanitary Engineering
and Water Pollution Control, Muthgasse 18, 1190 Vienna, Austria
| | - Arben Merkoçi
- Nanobioelectronics
and Biosensors Group, Catalan Institute
of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona
Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
- ICREA, Pg. Lluís
Companys, 23, Barcelona 08010, Spain
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Tercier-Waeber ML, Confalonieri F, Abdou M, Dutruch L, Bossy C, Fighera M, Bakker E, Graziottin F, van der Wal P, Schäfer J. Advanced multichannel submersible probe for autonomous high-resolution in situ monitoring of the cycling of the potentially bioavailable fraction of a range of trace metals. CHEMOSPHERE 2021; 282:131014. [PMID: 34118619 DOI: 10.1016/j.chemosphere.2021.131014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/19/2021] [Accepted: 05/26/2021] [Indexed: 06/12/2023]
Abstract
We report here on the development and application of a submersible, compact, low power consumption, integrated multichannel trace metal sensing probe (TracMetal). This probe is unique in that it allows high-resolution, simultaneous in-situ measurements of the potentially bioavailable (so-called dynamic) fraction of Hg(II), As(III), Cd(II), Pb(II), Cu(II), Zn(II). The TracMetal incorporates nanostructured Au-plated and Hg-plated gel-integrated microelectrode arrays. In addition to be selective to the fraction of metal potentially bioavailable, they offer protection against fouling and ill-controlled convective interferences. Sensitivities in the low pM for Hg(II) and sub-nM for the other target trace metals is achieved with precision ≤ 12%. The TracMetal is capable of autonomous operation during deployment, with routines for repetitive measurements (1-2 h-1), data storage and management, data computer visualization, and wireless data transfer. The system was successfully applied in the Arcachon Bay, to study the temporal variation of the dynamic fraction of the trace metals targeted. The in situ autonomous TracMetal measurements were combined with in situ measurements of the master bio-physicochemical parameters and sample collection for complementary measurements of the dissolved metal concentrations, organic matter concentrations and proxy for biological activities. The integration of all data revealed that various biotic and abiotic processes control the temporal variation of the dynamic fractions of the target metals (Medyn). The difference in the percentage of the dynamic forms of the metals studied and the short-term processes influencing their variation highlight the TracMetal potentiality as metal bioavailability-assessment sentinel to achieve comprehensive environmental monitoring of dynamic aquatic systems.
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Affiliation(s)
- Mary-Lou Tercier-Waeber
- University of Geneva, Dept. of Inorganic and Analytical Chemistry, 1211 Geneva 4, Switzerland.
| | | | - Melina Abdou
- University of Geneva, Dept. of Inorganic and Analytical Chemistry, 1211 Geneva 4, Switzerland; University of Bordeaux, UMR CNRS 5805 EPOC, 33615 Pessac, France
| | - Lionel Dutruch
- University of Bordeaux, UMR CNRS 5805 EPOC, 33615 Pessac, France
| | - Cécile Bossy
- University of Bordeaux, UMR CNRS 5805 EPOC, 33615 Pessac, France
| | - Marianna Fighera
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland
| | - Eric Bakker
- University of Geneva, Dept. of Inorganic and Analytical Chemistry, 1211 Geneva 4, Switzerland
| | | | - Peter van der Wal
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland
| | - Jörg Schäfer
- University of Bordeaux, UMR CNRS 5805 EPOC, 33615 Pessac, France
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Wiorek A, Hussain G, Molina-Osorio AF, Cuartero M, Crespo GA. Reagentless Acid-Base Titration for Alkalinity Detection in Seawater. Anal Chem 2021; 93:14130-14137. [PMID: 34652903 PMCID: PMC8552213 DOI: 10.1021/acs.analchem.1c02545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
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Herein, we report
on a reagentless electroanalytical methodology
for automatized acid–base titrations of water samples that
are confined into very thin spatial domains. The concept is based
on the recent discovery from our group (WiorekA.2019, 91, 14951−1495931691565), in which polyaniline (PANI) films were found to be an excellent
material to release a massive charge of protons in a short time, achieving
hence the efficient (and controlled) acidification of a sample. We
now demonstrate and validate the analytical usefulness of this approach
with samples collected from the Baltic Sea: the titration protocol
indeed acts as an alkalinity sensor via the calculation of the proton
charge needed to reach pH 4.0 in the sample, as per the formal definition
of the alkalinity parameter. In essence, the alkalinity sensor is
based on the linear relationship found between the released charge
from the PANI film and the bicarbonate concentration in the sample
(i.e., the way to express alkalinity measurements). The observed alkalinity
in the samples presented a good agreement with the values obtained
by manual (classical) acid–base titrations (discrepancies <10%).
Some crucial advantages of the new methodology are that titrations
are completed in less than 1 min (end point), the PANI film can be
reused at least 74 times over a 2 week period (<5% of decrease
in the released charge), and the utility of the PANI film to even
more decrease the final pH of the sample (pH ∼2) toward applications
different from alkalinity detection. Furthermore, the acidification
can be accomplished in a discrete or continuous mode depending on
the application demands. The new methodology is expected to impact
the future digitalization of in situ acid–base titrations to
obtain high-resolution data on alkalinity in water resources.
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Affiliation(s)
- Alexander Wiorek
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Ghulam Hussain
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Andres F Molina-Osorio
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Maria Cuartero
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Gaston A Crespo
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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