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Ribeiro JA, Silva AF, Girault HH, Pereira CM. Electroanalytical applications of ITIES - A review. Talanta 2024; 280:126729. [PMID: 39180876 DOI: 10.1016/j.talanta.2024.126729] [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: 01/26/2024] [Revised: 08/14/2024] [Accepted: 08/16/2024] [Indexed: 08/27/2024]
Abstract
Over the last decades, the interface between two immiscible electrolyte solutions (ITIES) attracted considerable attention of the scientific community due to their vast applications, such as extraction, catalysis, partition studies and sensing. The aim of this Review is to highlight the potential of electrochemistry at the ITIES for analytical purposes, focusing on ITIES-based sensors for detection and quantification of chemically and biologically relevant (bio)molecules. We start by addressing the evolution of ITIES in terms of number of publications over the years along with an overview of their main applications (Chapter 1). Then, we provide a general historical perspective about pioneer voltammetric studies at water/oil systems (Chapter 2). After that, we discuss the most impacting improvements on ITIES sensing systems from both perspectives, set-up design (interface stabilization and miniaturization, selection of the organic solvent, etc.) and optimization of experimental conditions to improve selectivity and sensitivity (Chapter 3). In Chapter 4, we discuss the analytical applications of ITIES for electrochemical sensing of several types of analytes, including drugs, pesticides, proteins, among others. Finally, we highlight the present achievements of ITIES as analytical tool and provide future challenges and perspectives for this technology (Chapter 5).
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Affiliation(s)
- José A Ribeiro
- CIQUP/Institute of Molecular Sciences (IMS), Department of Chemistry and Biochemistry, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, Porto, 4169-007, Portugal.
| | - A Fernando Silva
- CIQUP/Institute of Molecular Sciences (IMS), Department of Chemistry and Biochemistry, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, Porto, 4169-007, Portugal
| | - H H Girault
- Institut des Sciences et Ingénierie Chimiques (ISIC), École Polytechnique Fédérale de Lausanne (EPFL), Station 6, CH-1015, Lausanne, Switzerland
| | - Carlos M Pereira
- CIQUP/Institute of Molecular Sciences (IMS), Department of Chemistry and Biochemistry, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, Porto, 4169-007, Portugal.
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Uematsu K, Tanaka E, Tanaka T, Katano H. Effect of the alkyl chain length of α,ω-dichloroalkane on the Gibbs energy of transfer for functional groups. ANAL SCI 2024:10.1007/s44211-024-00656-x. [PMID: 39225771 DOI: 10.1007/s44211-024-00656-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Accepted: 08/19/2024] [Indexed: 09/04/2024]
Abstract
Ion-transfer reactions of alkyl and perfluoroalkyl carboxylate ions (CH3(CH2)n-2COO- with n = 8-12 and CF3(CF2)n-2COO- with n = 3-9) were investigated at the polarized Cl-(CH2)m-Cl with m = 2, 4, 6, and 8 (O) | water (W) interface to evaluate the effects of n and m on the solvation energy of the ions, as well as on their methylene and terminal groups. These ions exhibited reversible or quasi-reversible voltammetric waves due to their transfer across the O | W interfaces, enabling the determination of formal potentials and formal Gibbs transfer energies from O to W, Δ G tr,o → w 0 ' The Δ G tr,o → w 0 ' values for CH3(CH2)n-2COO- and CF3(CF2)n-2COO- increased linearly with n, allowing the estimation of Δ G tr,o → w 0 ' for methylene and difluoromethylene groups, Δ G tr,o → w 0 ' (CH2) and Δ G tr,o → w 0 ' (CF2), and for their terminal groups, Δ G tr,o → w 0 ' (COO- + CH3) and Δ G tr,o → w 0 ' (COO- + CF3). Whereas the Δ G tr,o → w 0 ' (CH2) and Δ G tr,o → w 0 ' (CF2) hardly changed with the variation in m, the Δ G tr,o → w 0 ' (COO- + CH3) and Δ G tr,o → w 0 ' (COO- + CF3) decreased noticeably. These results suggest that the solvation energy for ions in Cl-(CH2)m-Cl increases with m, regardless of hydrophilic or lipophilic nature of the ions. Based on these findings, the advantage of using Cl-(CH2)m-Cl with a large m as a non-aqueous solvent for ion-transfer voltammetry was discussed.
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Affiliation(s)
- Kohei Uematsu
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan.
| | - Erina Tanaka
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan
| | - Takanari Tanaka
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan
| | - Hajime Katano
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui, 910-1195, Japan
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Mou J, Ding J, Qin W. Deep Learning-Enhanced Potentiometric Aptasensing with Magneto-Controlled Sensors. Angew Chem Int Ed Engl 2023; 62:e202210513. [PMID: 36404278 DOI: 10.1002/anie.202210513] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/20/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022]
Abstract
Bioelectronic sensors that report charge changes of a biomolecule upon target binding enable direct and sensitive analyte detection but remain a major challenge for potentiometric measurement, mainly due to Debye Length limitations and the need for molecular-level platforms. Here, we report on a magneto-controlled potentiometric method to directly and sensitively measure the target-binding induced charge change of DNA aptamers assembled on magnetic beads using a polymeric membrane potentiometric ion sensor. The potentiometric responses of the negatively charged aptamer, serving as a receptor and reporter, were dynamically controlled and modulated by applying a magnetic field. Based on a potentiometric array, this non-equilibrium measurement technique combined with deep learning algorithms allows for rapidly and reliably classifying and quantifying diverse small molecules using antibiotics as models. This potentiometric strategy opens new modalities for sensing applications.
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Affiliation(s)
- Junsong Mou
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Yantai, 264003, Shandong, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jiawang Ding
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Yantai, 264003, Shandong, P. R. China.,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, Shandong (P. R., China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, Shandong, P. R. China
| | - Wei Qin
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Yantai, 264003, Shandong, P. R. China.,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, Shandong (P. R., China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, Shandong, P. R. China
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Jetmore HD, Anupriya ES, Cress TJ, Shen M. Interface between Two Immiscible Electrolyte Solutions Electrodes for Chemical Analysis. Anal Chem 2022; 94:16519-16527. [DOI: 10.1021/acs.analchem.2c01416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Henry David Jetmore
- University of Illinois at Urbana−Champaign, Urbana, Illinois61801, United States
| | | | - Tanner Joe Cress
- University of Illinois at Urbana−Champaign, Urbana, Illinois61801, United States
| | - Mei Shen
- University of Illinois at Urbana−Champaign, Urbana, Illinois61801, United States
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Gamero-Quijano A, Dossot M, Walcarius A, Scanlon MD, Herzog G. Electrogeneration of a Free-Standing Cytochrome c-Silica Matrix at a Soft Electrified Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:4033-4041. [PMID: 33761740 PMCID: PMC8562870 DOI: 10.1021/acs.langmuir.1c00409] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/16/2021] [Indexed: 06/12/2023]
Abstract
Interactions of a protein with a solid-liquid or a liquid-liquid interface may destabilize its conformation and hence result in a loss of biological activity. We propose here a method for the immobilization of proteins at an electrified liquid-liquid interface. Cytochrome c (Cyt c) is encapsulated in a silica matrix through an electrochemical process at an electrified liquid-liquid interface. Silica condensation is triggered by the interfacial transfer of cationic surfactant, cetyltrimethylammonium, at the lower end of the interfacial potential window. Cyt c is then adsorbed on the previously electrodeposited silica layer, when the interfacial potential, Δowϕ, is at the positive end of the potential window. By cycling of the potential window back and forth, silica electrodeposition and Cyt c adsorption occur sequentially as demonstrated by in situ UV-vis absorbance spectroscopy. After collection from the liquid-liquid interface, the Cyt c-silica matrix is characterized ex situ by UV-vis diffuse reflectance spectroscopy, confocal Raman microscopy, and fluorescence microscopy, showing that the protein maintained its tertiary structure during the encapsulation process. The absence of denaturation is further confirmed in situ by the absence of electrocatalytic activity toward O2 (observed in the case of Cyt c denaturation). This method of protein encapsulation may be used for other proteins (e.g., Fe-S cluster oxidoreductases, copper-containing reductases, pyrroloquinoline quinone-containing enzymes, or flavoproteins) in the development of biphasic bioelectrosynthesis or bioelectrocatalysis applications.
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Affiliation(s)
- Alonso Gamero-Quijano
- The
Bernal Institute and Department of Chemical Sciences, School of Natural
Sciences, University of Limerick (UL), Limerick V94 T9PX, Ireland
| | - Manuel Dossot
- Université
de Lorraine, CNRS, LCPME, F-54000 Nancy, France
| | | | - Micheál D. Scanlon
- The
Bernal Institute and Department of Chemical Sciences, School of Natural
Sciences, University of Limerick (UL), Limerick V94 T9PX, Ireland
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Co-deposition of silica and proteins at the interface between two immiscible electrolyte solutions. Bioelectrochemistry 2020; 134:107529. [DOI: 10.1016/j.bioelechem.2020.107529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/02/2020] [Accepted: 04/02/2020] [Indexed: 12/24/2022]
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Dai G, Li Z, Luo F, Ai S, Chen B, Wang Q. Electrochemical determination of Salmonella typhimurium by using aptamer-loaded gold nanoparticles and a composite prepared from a metal-organic framework (type UiO-67) and graphene. Mikrochim Acta 2019; 186:620. [PMID: 31410576 DOI: 10.1007/s00604-019-3724-y] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 07/31/2019] [Indexed: 11/30/2022]
Abstract
An aptamer based assay is described for the determination of Salmonella typhimurium (S.typhimurium). A metal-organic framework-graphene composite of type UiO-67/GR is used as the substrate, and an aptamer-gold nanoparticles-horseradish peroxidase (Apt-AuNP-HRP) conjugate the signal amplification probe. A phosphate-terminal and partially complementary DNA (cDNA) of the aptamer is covalently bound to UiO-67/GR via the chemical complexation between phosphate and Zr-OH groups of UiO-67, and then S. typhimurium and cDNA will compete for the binding sites. The binding of Apt-AuNP-HRP to S.typhimurium leads to the formation of strong conjugates. The unbound signal probes then attach to the surface of a glassy carbon electrode via hybridization with cDNA. This generates a large current response (best measured at a potential as low as -0.02 V vs. saturated calomel electrode) under the catalytic action of HRP on the H2O2-hydroquinone system. Under the optimal conditions, the differential pulse voltammetric signal decreases linearly in the 2 × 101 - 2 × 108 cfu·mL-1 S.typhimurium concentration range, with a lower detection limit of 5 cfu·mL-1 (based on S/N = 3). The method was successfully applied to the detection of S. typhimurium in spiked milk samples. Graphical abstract Schematic presentation of electrochemical determination of Salmonella typhimurium (S.typhimurium). A metal-organic framework (type UiO-67) and graphene (GR) composite were used as substrate, and gold nanoparticles carrying horseradish peroxidase (HRP) for signal amplification. HQ: hydroquinone; cDNA: complementary DNA of aptamer.
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Affiliation(s)
- Ge Dai
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, People's Republic of China
| | - Zhi Li
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, People's Republic of China
| | - Feifei Luo
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, People's Republic of China
| | - Shiyun Ai
- College of Chemistry and Material Science, Shandong Agricultural University, Taian, 271018, Shandong, People's Republic of China
| | - Bo Chen
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, People's Republic of China.
| | - Qingjiang Wang
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, People's Republic of China.
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