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Duru J, Rüfenacht A, Löhle J, Pozzi M, Forró C, Ledermann L, Bernardi A, Matter M, Renia A, Simona B, Tringides CM, Bernhard S, Ihle SJ, Hengsteler J, Maurer B, Zhang X, Nakatsuka N. Driving electrochemical reactions at the microscale using CMOS microelectrode arrays. LAB ON A CHIP 2023; 23:5047-5058. [PMID: 37916299 PMCID: PMC10661664 DOI: 10.1039/d3lc00630a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 10/25/2023] [Indexed: 11/03/2023]
Abstract
Precise control of pH values at electrode interfaces enables the systematic investigation of pH-dependent processes by electrochemical means. In this work, we employed high-density complementary metal-oxide-semiconductor (CMOS) microelectrode arrays (MEAs) as miniaturized systems to induce and confine electrochemical reactions in areas corresponding to the pitch of single electrodes (17.5 μm). First, we present a strategy for generating localized pH patterns on the surface of the CMOS MEA with unprecedented spatial resolution. Leveraging the versatile routing capabilities of the switch matrix beneath the CMOS MEA, we created arbitrary combinations of anodic and cathodic electrodes and hence pH patterns. Moreover, we utilized the system to produce polymeric surface patterns by additive and subtractive methods. For additive patterning, we controlled the in situ formation of polydopamine at the microelectrode surface through oxidation of free dopamine above a threshold pH > 8.5. For subtractive patterning, we removed cell-adhesive poly-L-lysine from the electrode surface and backfilled the voids with antifouling polymers. Such polymers were chosen to provide a proof-of-concept application of controlling neuronal growth via electrochemically-induced patterns on the CMOS MEA surface. Importantly, our platform is compatible with commercially available high-density MEAs and requires no custom equipment, rendering the findings generalizable and accessible.
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Affiliation(s)
- Jens Duru
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Arielle Rüfenacht
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Josephine Löhle
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Marcello Pozzi
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Csaba Forró
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Linus Ledermann
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Aeneas Bernardi
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Michael Matter
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - André Renia
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | | | - Christina M Tringides
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Stéphane Bernhard
- Macromolecular Engineering Laboratory, Department of Mechanical and Process Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland
| | - Stephan J Ihle
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Julian Hengsteler
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Benedikt Maurer
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Xinyu Zhang
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
| | - Nako Nakatsuka
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Eidgenössische Technische Hochschule (ETH) Zürich, Switzerland.
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2
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Mihai MA, Spataru T, Somacescu S, Moga OG, Preda L, Florea M, Kuncser A, Spataru N. Nitrite anodic oxidation at Ni(II)/Ni(III)-decorated mesoporous SnO 2 and its analytical applications. Analyst 2023; 148:6028-6035. [PMID: 37888977 DOI: 10.1039/d3an01249b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Hydrothermally formed mesoporous SnO2 was used as a support for nickel chemical deposition and, after subsequent thermal treatment, a high specific surface area (36 m2 g-1) Ni/SnO2 material was obtained. XPS analysis has shown that in the Sn 3d region the spectrum is similar to that of pristine SnO2, whereas Ni species are present on the surface as NiO, Ni2O3 and Ni(OH)2. Mixing Ni/SnO2 with a small amount of Black Pearls (BP) leads to a significant enhancement of the resulting Ni/SnO2-BP composite activity for nitrite anodic oxidation, presumably due to the higher surface area (115 m2 g-1), to better electrical conductivity and to a certain contribution of the BP to an increase in surface density of the active sites. Ni/SnO2-BP also outperforms pristine BP (in terms of Tafel slopes and electron-transfer rates), most likely due to the fact that the Ni(II)/Ni(III) couple can act as an electrocatalyst for nitrite oxidation. A voltammetric method is proposed for the determination of nitrite, over a concentration range of three orders of magnitude (0.05 to 20 mM), with good reproducibility, high stability and excellent sensitivity. The high upper limit of the dynamic range of the analytically useful response might provide a basis for the reliable quantification of nitrite in wastewater.
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Affiliation(s)
- Marius Alexandru Mihai
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Tanta Spataru
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Simona Somacescu
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Olivia Georgeta Moga
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Loredana Preda
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Mihaela Florea
- National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania
| | - Andrei Kuncser
- National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania
| | - Nicolae Spataru
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
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3
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Henderson S, Strait M, Fernandes R, Xu H, Galligan JJ, Swain GM. Ex Vivo Electrochemical Monitoring of Cholinergic Signaling in the Mouse Colon Using an Enzyme-Based Biosensor. ACS Chem Neurosci 2023; 14:3460-3471. [PMID: 37681686 DOI: 10.1021/acschemneuro.3c00337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023] Open
Abstract
Cholinergic signaling, i.e., neurotransmission mediated by acetylcholine, is involved in a host of physiological processes, including learning and memory. Cholinergic dysfunction is commonly associated with neurodegenerative diseases, including Alzheimer's disease. In the gut, acetylcholine acts as an excitatory neuromuscular signaler to mediate smooth muscle contraction, which facilitates peristaltic propulsion. Gastrointestinal dysfunction has also been associated with Alzheimer's disease. This research focuses on the preparation of an electrochemical enzyme-based biosensor to monitor cholinergic signaling in the gut and its application for measuring electrically stimulated acetylcholine release in the mouse colon ex vivo. The biosensors were prepared by platinizing Pt microelectrodes through potential cycling in a potassium hexachloroplatinate (IV) solution to roughen the electrode surface and improve adhesion of the multienzyme film. These electrodes were then modified with a permselective poly(m-phenylenediamine) polymer film, which blocks electroactive interferents from reaching the underlying substrate while remaining permeable to small molecules like H2O2. A multienzyme film containing choline oxidase and acetylcholinesterase was then drop-cast on these modified electrodes. The sensor responds to acetylcholine and choline through the enzymatic production of H2O2, which is electrochemically oxidized to produce an increase in current with increasing acetylcholine or choline concentration. Important figures of merit include a sensitivity of 190 ± 10 mA mol-1 L cm-2, a limit of detection of 0.8 μmol L-1, and a batch reproducibility of 6.1% relative standard deviation at room temperature. These sensors were used to detect electrically stimulated acetylcholine release from mouse myenteric ganglia in the presence and absence of tetrodotoxin and neostigmine, an acetylcholinesterase inhibitor.
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Affiliation(s)
- Skye Henderson
- Department of Chemistry, Michigan State University, Ames, East Lansing, Michigan 48824, United States
| | - Madison Strait
- Department of Chemistry, Iowa State University, Ames, Iowa IA50011, United States
| | - Roxanne Fernandes
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan 48824, United States
| | - Hui Xu
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan 48824, United States
| | - James J Galligan
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan 48824, United States
| | - Greg M Swain
- Department of Chemistry, Michigan State University, Ames, East Lansing, Michigan 48824, United States
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4
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Garcia EM, Cordero PA, Kazemeini S, Murillo-Soto A, Gonzalez KA, McClement A, Rusinek CA. Platinum and palladium nanoparticles on boron-doped diamond for the electrochemical detection of hydrogen peroxide: a comparison study. Anal Bioanal Chem 2023; 415:5781-5795. [PMID: 37498327 DOI: 10.1007/s00216-023-04859-5] [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: 05/16/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/28/2023]
Abstract
Hydrogen peroxide (H2O2) plays a role in many facets - a household item, an important industrial chemical, a biomarker in vivo, and several others. For this reason, its measurement and quantification in a variety of media are important. While spectroscopic detection is primarily used for H2O2, electrochemical methods offer advantages in versatility, cost, and sensitivity. In this work, we investigate a 2-step surface metal nanoparticle (NP) modification for platinum (Pt) and palladium (Pd) on boron-doped diamond (BDD) electrodes for the detection of H2O2. Several parameters such as the metal salt concentration and electrodeposition charge in the 2-step modification were varied to find an optimum. Using cyclic voltammetry (CV), the BDD-PdNP electrode types were found to yield a sharper, more well-resolved H2O2 oxidation peak compared to the BDD-PtNP electrodes. Both metal NP electrode types significantly improved the response compared to the bare BDD electrode; a 150-200× improvement in sensitivity was observed across all modified electrode types. Calibration experiments were completed at both low and high concentration ranges in stagnant and flow-based solutions. The lowest limit of detection (LOD) obtained was 50 nM (5E-08 M) on a BDD-PdNP electrode modified with 1.0 mM PdCl2 to 5.0 mC in the wet chemical seeding and electrodeposition steps. 0.25 mM PdCl2 to 3.23 mC and 0.25 mM HPtCl6- to 3.23 mC also yielded a sufficient response for low-level H2O2, with LODs around 100 nM (1E-07 M). Overall, this work exemplifies the wide applicability of BDD and achieves sub-μM H2O2 LODs with a non-enzymatic electrode material.
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Affiliation(s)
- Elizabeth M Garcia
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA
| | - Paula A Cordero
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA
| | - Sarah Kazemeini
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA
| | - Andrea Murillo-Soto
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA
| | - Karen A Gonzalez
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA
| | - Alexander McClement
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA
| | - Cory A Rusinek
- Department of Chemistry and Biochemistry, University of Nevada, Las Vegas, Las Vegas, NV, 89154, USA.
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5
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Vaneev AN, Timoshenko RV, Gorelkin PV, Klyachko NL, Korchev YE, Erofeev AS. Nano- and Microsensors for In Vivo Real-Time Electrochemical Analysis: Present and Future Perspectives. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213736. [PMID: 36364512 PMCID: PMC9656311 DOI: 10.3390/nano12213736] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/16/2022] [Accepted: 10/21/2022] [Indexed: 05/14/2023]
Abstract
Electrochemical nano- and microsensors have been a useful tool for measuring different analytes because of their small size, sensitivity, and favorable electrochemical properties. Using such sensors, it is possible to study physiological mechanisms at the cellular, tissue, and organ levels and determine the state of health and diseases. In this review, we highlight recent advances in the application of electrochemical sensors for measuring neurotransmitters, oxygen, ascorbate, drugs, pH values, and other analytes in vivo. The evolution of electrochemical sensors is discussed, with a particular focus on the development of significant fabrication schemes. Finally, we highlight the extensive applications of electrochemical sensors in medicine and biological science.
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Affiliation(s)
- Alexander N. Vaneev
- Research Laboratory of Biophysics, National University of Science and Technology “MISiS”, 119049 Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Roman V. Timoshenko
- Research Laboratory of Biophysics, National University of Science and Technology “MISiS”, 119049 Moscow, Russia
| | - Petr V. Gorelkin
- Research Laboratory of Biophysics, National University of Science and Technology “MISiS”, 119049 Moscow, Russia
| | - Natalia L. Klyachko
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Yuri E. Korchev
- Department of Medicine, Imperial College London, London W12 0NN, UK
| | - Alexander S. Erofeev
- Research Laboratory of Biophysics, National University of Science and Technology “MISiS”, 119049 Moscow, Russia
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia
- Correspondence:
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6
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Abdalla A, Jones W, Flint MS, Patel BA. Bicomponent composite electrochemical sensors for sustained monitoring of hydrogen peroxide in breast cancer cells. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139314] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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7
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Ebrahimi M, Norouzi P, Aazami H, Moosavi-Movahedi AA. Review on oxidative stress relation on COVID-19: Biomolecular and bioanalytical approach. Int J Biol Macromol 2021; 189:802-818. [PMID: 34418419 PMCID: PMC8372478 DOI: 10.1016/j.ijbiomac.2021.08.095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 08/08/2021] [Accepted: 08/12/2021] [Indexed: 02/07/2023]
Abstract
COVID-19 disease has put life of people in stress worldwide from many aspects. Since the virus has mutated in absolutely short period of time the challenge to find a suitable vaccine has become harder. Infection to COVID-19, especially at severe life threatening states is highly dependent on the strength of the host immune system. This system is partially dependent on the balance between oxidative stress and antioxidant. Besides, this virus still has unknown mechanism of action companied by a probable commune period. From another hand, some reactive oxygen species (ROS) levels can be helpful on the state determination of the disease. Thus it could be possible to use modern bioanalytical techniques for their detection and determination, which could indicate the disease state at the golden time window since they have the potential to show whether specific DNA, RNA, enzymes and proteins are affected. This also could be used as a preclude study or a reliable pathway to define the best optimized time of cure beside effective medical actions. Herein, some ROS and their relation with SARS-CoV-2 virus have been considered. In addition, modern bioelectroanalytical techniques on this approach from quantitative and qualitative points of view have been reviewed.
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Affiliation(s)
- Mehrnaz Ebrahimi
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Parviz Norouzi
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
| | - Hossein Aazami
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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8
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Chmayssem A, Verplanck N, Tanase CE, Costa G, Monsalve-Grijalba K, Amigues S, Alias M, Gougis M, Mourier V, Vignoud S, Ghaemmaghami AM, Mailley P. Development of a multiparametric (bio)sensing platform for continuous monitoring of stress metabolites. Talanta 2021; 229:122275. [PMID: 33838777 DOI: 10.1016/j.talanta.2021.122275] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 10/21/2022]
Abstract
There is a growing need for real-time monitoring of metabolic products that could reflect cell damages over extended periods. In this paper, we report the design and development of an original multiparametric (bio)sensing platform that is tailored for the real-time monitoring of cell metabolites derived from cell cultures. Most attractive features of our developed electrochemical (bio)sensing platform are its easy manufacturing process, that enables seamless scale-up, modular and versatile approach, and low cost. In addition, the developed platform allows a multiparametric analysis instead of single-analyte analysis. Here we provide an overview of the sensors-based analysis of four main factors that can indicate a possible cell deterioration problem during cell-culture: pH, hydrogen peroxide, nitric oxide/nitrite and lactate. Herein, we are proposing a sensors platform based on thick-film coupled to microfluidic technology that can be integrated into any microfluidic system using Luer-lock connectors. This platform allows obtaining an accurate analysis of the secreting stress metabolites during cell/tissues culture.
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Affiliation(s)
- Ayman Chmayssem
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France.
| | - Nicolas Verplanck
- Univ. Grenoble Alpes, CEA, LETI, DTBS, LSMB, 38000, Grenoble, France
| | - Constantin Edi Tanase
- Immunology & Immuno-Bioengineering Group, School of Life Sciences, Faculty of Medicine & Health Sciences, University of Nottingham, United Kingdom
| | - Guillaume Costa
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France
| | | | - Simon Amigues
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France
| | - Mélanie Alias
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France
| | - Maxime Gougis
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France
| | - Véronique Mourier
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France
| | - Séverine Vignoud
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France
| | - Amir M Ghaemmaghami
- Immunology & Immuno-Bioengineering Group, School of Life Sciences, Faculty of Medicine & Health Sciences, University of Nottingham, United Kingdom
| | - Pascal Mailley
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, 38000, Grenoble, France.
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9
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Gao L, Sun J, Wang L, Fan Q, Zhu G, Guo H, Sun X. Highly sensitive real-time detection of intracellular oxidative stress and application in mycotoxin toxicity evaluation based on living single-cell electrochemical sensors. Analyst 2021; 146:1444-1454. [PMID: 33410840 DOI: 10.1039/d0an02015j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Single-cell electrochemical sensor is widely used in the local selective detection of single living cells because of its high spatial-temporal resolution and sensitivity, as well as its ability to obtain comprehensive cellular physiological states and processes with increased accuracy. Functionalized nanoprobes can detect the oxidative stress response of cells in single-cell electrochemical sensors. Moreover, the T-2 toxin is one of the most toxic mycotoxins and widely occurs in field crops. T-2 toxin can cause mitochondrial damage in cells and increase intracellular reactive oxygen species (ROS) in various cells. As the most representative free radical of intracellular ROS, H2O2 can effectively reflect the toxic effects of intracellular T-2 toxin. In this study, a functionalized gold nanoprobe was used to dynamically monitor the production of H2O2 in a single live human hepatoma cell HepG2 stimulated by mycotoxin T-2. The concentration of H2O2 produced by HepG2 cells stimulated by T-2 toxin at 1 ppb-1 ppm was linearly correlated, R2 = 0.99055, and LOD = 0.13807 ng mL-1. Sample spiking experiments were conducted, and the recovery rate of spiking was 81.19%-130.17%. A comparative analysis of differences in the current produced by multiple toxins, HT-29 cells, as well as single cells in cell populations, was performed. This method can be applied in real-time monitoring of mycotoxin toxicity during food processing in living cells and provides a novel idea for enhancing food quality and safety in a nanoenvironment.
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Affiliation(s)
- Lu Gao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China.
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10
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Goroncharovskaya IV, Evseev AK, Shabanov AK, Denisenko O, Kuzovlev AN, Klychnikova EV, Tazina EV, Petrikov SS. Electrochemical Methods for Assessment of Polytrauma Outcomes. ELECTROANAL 2021. [DOI: 10.1002/elan.202060356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Irina V. Goroncharovskaya
- N. V. Sklifosovsky Research Institute for Emergency Medicine Bolshaya Sukharevskaya Sq. 3, Bld. 1 129090 Moscow Russia
| | - Anatoly K. Evseev
- N. V. Sklifosovsky Research Institute for Emergency Medicine Bolshaya Sukharevskaya Sq. 3, Bld. 1 129090 Moscow Russia
| | - Aslan K. Shabanov
- N. V. Sklifosovsky Research Institute for Emergency Medicine Bolshaya Sukharevskaya Sq. 3, Bld. 1 129090 Moscow Russia
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology 25 Petrovka Str., Build. 2 107031 Moscow Russia
| | - Oleg Denisenko
- University of Washington 850 Republican St. 98109 Seattle WA United States
| | - Artem N. Kuzovlev
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology 25 Petrovka Str., Build. 2 107031 Moscow Russia
| | - Elena V. Klychnikova
- N. V. Sklifosovsky Research Institute for Emergency Medicine Bolshaya Sukharevskaya Sq. 3, Bld. 1 129090 Moscow Russia
| | - Elizaveta V. Tazina
- N. V. Sklifosovsky Research Institute for Emergency Medicine Bolshaya Sukharevskaya Sq. 3, Bld. 1 129090 Moscow Russia
| | - Sergey S. Petrikov
- N. V. Sklifosovsky Research Institute for Emergency Medicine Bolshaya Sukharevskaya Sq. 3, Bld. 1 129090 Moscow Russia
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11
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Lefrançois P, Girard‐Sahun F, Badets V, Clément F, Arbault S. Electroactivity of Superoxide Anion in Aqueous Phosphate Buffers Analyzed with Platinized Microelectrodes. ELECTROANAL 2020. [DOI: 10.1002/elan.202060456] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Pauline Lefrançois
- Univ. Bordeaux Bordeaux INP CNRS UMR 5255 ISM, groupe NSysA 33400 Talence France
- Department of Biochemistry University of Groningen Groningen Biomolecular Sciences and Biotechnology Institute Nijenborgh 4 9747 AG Groningen The Netherlands
| | - Fanny Girard‐Sahun
- Univ. Bordeaux Bordeaux INP CNRS UMR 5255 ISM, groupe NSysA 33400 Talence France
- UPPA IPREM CNRS UMR 5254 2 avenue Président Angot 64000 Pau France
- Chemistry Department University of Antwerp Campus Drie Eiken Universiteitsplein 1 Belgium
| | - Vasilica Badets
- Univ. Bordeaux Bordeaux INP CNRS UMR 5255 ISM, groupe NSysA 33400 Talence France
- University of Strasbourg Chemistry Institute UMR CNRS 7177 4 rue Blaise Pascal CS 90032, 67081 Strasbourg cedex France
| | - Franck Clément
- UPPA IPREM CNRS UMR 5254 2 avenue Président Angot 64000 Pau France
| | - Stéphane Arbault
- Univ. Bordeaux Bordeaux INP CNRS UMR 5255 ISM, groupe NSysA 33400 Talence France
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12
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Abstract
O2 is a fundamental environmental metabolite that affects all life on earth. While toxic to many microbes and obligately required by others, those that have appropriate physiological responses survive and can even benefit from various levels of O2, particularly in biofilm communities. Although most studies have focused on measuring O2 within biofilms, little is known about O2 gradients surrounding biofilms. Here, we developed electrochemical methodology based on scanning electrochemical microscopy to measure the O2 gradients surrounding biofilms in real time on the micron scale. Our results reveal that P. aeruginosa biofilms produce a hypoxic zone that can extend hundreds of microns from the biofilm surface and that this gradient remains even after the addition of antibiotic concentrations that eradicated 99% of viable cells. Our results provide a high resolution of the O2 gradients produced by P. aeruginosa biofilms and reveal sustained O2 consumption in the presence of antibiotics. Bacteria alter their local chemical environment through both consumption and the production of a variety of molecules, ultimately shaping the local ecology. Molecular oxygen (O2) is a key metabolite that affects the physiology and behavior of virtually all bacteria, and its consumption often results in O2 gradients within sessile bacterial communities (biofilms). O2 plays a critical role in several bacterial phenotypes, including antibiotic tolerance; however, our understanding of O2 levels within and surrounding biofilms has been hampered by the difficulties in measuring O2 levels in real-time for extended durations and at the micron scale. Here, we developed electrochemical methodology based on scanning electrochemical microscopy to quantify the O2 gradients present above a Pseudomonas aeruginosa biofilm. These results reveal that a biofilm produces a hypoxic zone that extends hundreds of microns from the biofilm surface within minutes and that the biofilm consumes O2 at a maximum rate. Treating the biofilm with levels of the antibiotic ciprofloxacin that kill 99% of the bacteria did not affect the O2 gradient, indicating that the biofilm is highly resilient to antimicrobial treatment in regard to O2 consumption.
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13
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Hellmann A, Daboss S, Zink F, Hartmann C, Radermacher P, Kranz C. Electrocatalytically modified microelectrodes for the detection of hydrogen peroxide at blood cells from swine with induced trauma. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136458] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Schilly KM, Gunawardhana SM, Wijesinghe MB, Lunte SM. Biological applications of microchip electrophoresis with amperometric detection: in vivo monitoring and cell analysis. Anal Bioanal Chem 2020; 412:6101-6119. [PMID: 32347360 PMCID: PMC8130646 DOI: 10.1007/s00216-020-02647-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/29/2020] [Accepted: 04/06/2020] [Indexed: 01/01/2023]
Abstract
Microchip electrophoresis with amperometric detection (ME-EC) is a useful tool for the determination of redox active compounds in complex biological samples. In this review, a brief background on the principles of ME-EC is provided, including substrate types, electrode materials, and electrode configurations. Several different detection approaches are described, including dual-channel systems for dual-electrode detection and electrochemistry coupled with fluorescence and chemiluminescence. The application of ME-EC to the determination of catecholamines, adenosine and its metabolites, and reactive nitrogen and oxygen species in microdialysis samples and cell lysates is also detailed. Lastly, approaches for coupling of ME-EC with microdialysis sampling to create separation-based sensors that can be used for near real-time monitoring of drug metabolism and neurotransmitters in freely roaming animals are provided. Graphical abstract.
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Affiliation(s)
- Kelci M Schilly
- Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, KS, 66045, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, 2030 Becker Drive, Lawrence, KS, 66047, USA
| | - Shamal M Gunawardhana
- Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, KS, 66045, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, 2030 Becker Drive, Lawrence, KS, 66047, USA
| | - Manjula B Wijesinghe
- Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, KS, 66045, USA
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, 2030 Becker Drive, Lawrence, KS, 66047, USA
| | - Susan M Lunte
- Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, KS, 66045, USA.
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, 2030 Becker Drive, Lawrence, KS, 66047, USA.
- Department of Pharmaceutical Chemistry, University of Kansas, 2010 Becker Drive, Lawrence, KS, 66045, USA.
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15
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Caniglia G, Kranz C. Scanning electrochemical microscopy and its potential for studying biofilms and antimicrobial coatings. Anal Bioanal Chem 2020; 412:6133-6148. [PMID: 32691088 PMCID: PMC7442582 DOI: 10.1007/s00216-020-02782-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 06/08/2020] [Accepted: 06/19/2020] [Indexed: 02/06/2023]
Abstract
Biofilms are known to be well-organized microbial communities embedded in an extracellular polymeric matrix, which supplies bacterial protection against external stressors. Biofilms are widespread and diverse, and despite the considerable large number of publications and efforts reported regarding composition, structure and cell-to-cell communication within biofilms in the last decades, the mechanisms of biofilm formation, the interaction and communication between bacteria are still not fully understood. This knowledge is required to understand why biofilms form and how we can combat them or how we can take advantage of these sessile communities, e.g. in biofuel cells. Therefore, in situ and real-time monitoring of nutrients, metabolites and quorum sensing molecules is of high importance, which may help to fill that knowledge gap. This review focuses on the potential of scanning electrochemical microscopy (SECM) as a versatile method for in situ studies providing temporal and lateral resolution in order to elucidate cell-to-cell communication, microbial metabolism and antimicrobial impact, e.g. of antimicrobial coatings through the study of electrochemical active molecules. Given the complexity and diversity of biofilms, challenges and limitations will be also discussed.
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Affiliation(s)
- Giada Caniglia
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee, 11, 89081, Ulm, Germany
| | - Christine Kranz
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee, 11, 89081, Ulm, Germany.
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16
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Chen R, Alanis K, Welle TM, Shen M. Nanoelectrochemistry in the study of single-cell signaling. Anal Bioanal Chem 2020; 412:6121-6132. [PMID: 32424795 DOI: 10.1007/s00216-020-02655-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 04/02/2020] [Accepted: 04/08/2020] [Indexed: 12/28/2022]
Abstract
Label-free biosensing has been the dream of scientists and biotechnologists as reported by Vollmer and Arnold (Nat Methods 5:591-596, 2008). The ability of examining living cells is crucial to cell biology as noted by Fang (Int J Electrochem 2011:460850, 2011). Chemical measurement with electrodes is label-free and has demonstrated capability of studying living cells. In recent years, nanoelectrodes of different functionality have been developed. These nanometer-sized electrodes, coupled with scanning electrochemical microscopy (SECM), have further enabled nanometer spatial resolution study in aqueous environments. Developments in the field of nanoelectrochemistry have allowed measurement of signaling species at single cells, contributing to better understanding of cell biology. Leading studies using nanoelectrochemistry of a variety of cellular signaling molecules, including redox-active neurotransmitter (e.g., dopamine), non-redox-active neurotransmitter (e.g., acetylcholine), reactive oxygen species (ROS), and reactive nitrogen species (RNS), are reviewed here.
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Affiliation(s)
- Ran Chen
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, IL, 61801, USA
| | - Kristen Alanis
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, IL, 61801, USA
| | - Theresa M Welle
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, IL, 61801, USA
| | - Mei Shen
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, IL, 61801, USA.
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17
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Perrodin P, Sella C, Thouin L. Electrochemical Generation of Steady-State Linear Concentration Gradients within Microfluidic Channels Perpendicular to the Flow Field. Anal Chem 2020; 92:7699-7707. [DOI: 10.1021/acs.analchem.0c00645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Pierre Perrodin
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Catherine Sella
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Laurent Thouin
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
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18
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Shukla RP, Belmaker RH, Bersudsky Y, Ben-Yoav H. A platinum black-modified microelectrode for in situ olanzapine detection in microliter volumes of undiluted serum. J Neural Transm (Vienna) 2020; 127:291-299. [PMID: 31907607 PMCID: PMC7035306 DOI: 10.1007/s00702-019-02139-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 12/28/2019] [Indexed: 10/28/2022]
Abstract
Olanzapine is a thienobenzodiazepine compound. It is one of the newer types of antipsychotic drugs used in the treatment of schizophrenia and other psychotic disorders. Several methods have been reported for analyzing olanzapine in its pure form or combined with other drugs and in biological fluids. These methods include high-performance liquid chromatography and liquid chromatography-tandem mass spectroscopy. Although many of the reported methods are accurate and sensitive, they require the use of sophisticated equipment, lack in situ analysis, and require expensive reagents. Moreover, several of these methods are cumbersome, require prolonged sample pretreatment, strict control of pH, and long reaction times. Here we present the development of a miniaturized electrochemical sensor that will enable minimally invasive, real-time, and in situ monitoring of olanzapine levels in microliter volumes of serum samples. For this purpose, we modified a microfabricated microelectrode with a platinum black film to increase the electrocatalytic activity of the microelectrode towards olanzapine oxidation; this improved the overall selectivity and sensitivity of the sensor. We observed in recorded voltammograms the anodic current dose response characteristics in microliter volumes of olanzapine-spiked serum samples that resulted in a limit of detection of 28.6 ± 1.3 nM and a sensitivity of 0.14 ± 0.02 µA/cm2 nM. Importantly, the platinum black-modified microelectrode exhibited a limit of detection that is below the clinical threshold (65-130 nM). Further miniaturizing and integrating such sensors into point-of-care devices provide real-time monitoring of olanzapine blood levels; this will enable treatment teams to receive feedback and administer adjustable olanzapine therapy.
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Affiliation(s)
- Rajendra P Shukla
- Nanobioelectronics Laboratory (NBEL), Department of Biomedical Engineering and Ilse Katz Institute of Nanoscale Science and Technology, Ben-Gurion University of the Negev, 8410501, Beer-Sheva, Israel
| | - Robert H Belmaker
- Department of Psychiatry, Mental Health Center, Ben-Gurion University of the Negev, 8410501, Beer-Sheva, Israel
| | - Yuly Bersudsky
- Department of Psychiatry, Mental Health Center, Ben-Gurion University of the Negev, 8410501, Beer-Sheva, Israel
| | - Hadar Ben-Yoav
- Nanobioelectronics Laboratory (NBEL), Department of Biomedical Engineering and Ilse Katz Institute of Nanoscale Science and Technology, Ben-Gurion University of the Negev, 8410501, Beer-Sheva, Israel.
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19
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Kucherenko IS, Soldatkin OO, Kucherenko DY, Soldatkina OV, Dzyadevych SV. Advances in nanomaterial application in enzyme-based electrochemical biosensors: a review. NANOSCALE ADVANCES 2019; 1:4560-4577. [PMID: 36133111 PMCID: PMC9417062 DOI: 10.1039/c9na00491b] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/28/2019] [Indexed: 05/06/2023]
Abstract
Electrochemical enzyme-based biosensors are one of the largest and commercially successful groups of biosensors. Integration of nanomaterials in the biosensors results in significant improvement of biosensor sensitivity, limit of detection, stability, response rate and other analytical characteristics. Thus, new functional nanomaterials are key components of numerous biosensors. However, due to the great variety of available nanomaterials, they should be carefully selected according to the desired effects. The present review covers the recent applications of various types of nanomaterials in electrochemical enzyme-based biosensors for the detection of small biomolecules, environmental pollutants, food contaminants, and clinical biomarkers. Benefits and limitations of using nanomaterials for analytical purposes are discussed. Furthermore, we highlight specific properties of different nanomaterials, which are relevant to electrochemical biosensors. The review is structured according to the types of nanomaterials. We describe the application of inorganic nanomaterials, such as gold nanoparticles (AuNPs), platinum nanoparticles (PtNPs), silver nanoparticles (AgNPs), and palladium nanoparticles (PdNPs), zeolites, inorganic quantum dots, and organic nanomaterials, such as single-walled carbon nanotubes (SWCNTs), multi-walled carbon nanotubes (MWCNTs), carbon and graphene quantum dots, graphene, fullerenes, and calixarenes. Usage of composite nanomaterials is also presented.
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Affiliation(s)
- I S Kucherenko
- Department of Biomolecular Electronics, Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine Zabolotnogo Street 150 Kyiv 03143 Ukraine
- Department of Mechanical Engineering, Iowa State University Ames Iowa 50011 USA
| | - O O Soldatkin
- Department of Biomolecular Electronics, Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine Zabolotnogo Street 150 Kyiv 03143 Ukraine
- Institute of High Technologies, Taras Shevchenko National University of Kyiv Volodymyrska Street 64 Kyiv 01003 Ukraine
| | - D Yu Kucherenko
- Department of Biomolecular Electronics, Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine Zabolotnogo Street 150 Kyiv 03143 Ukraine
| | - O V Soldatkina
- Institute of High Technologies, Taras Shevchenko National University of Kyiv Volodymyrska Street 64 Kyiv 01003 Ukraine
- F. D. Ovcharenko Institute of Biocolloidal Chemistry Acad. Vernadskoho Blvd. 42 Kyiv 03142 Ukraine
| | - S V Dzyadevych
- Department of Biomolecular Electronics, Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine Zabolotnogo Street 150 Kyiv 03143 Ukraine
- Institute of High Technologies, Taras Shevchenko National University of Kyiv Volodymyrska Street 64 Kyiv 01003 Ukraine
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20
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Lourenço CF, Caetano M, Ledo A, Barbosa RM. Platinized carbon fiber-based glucose microbiosensor designed for metabolic studies in brain slices. Bioelectrochemistry 2019; 130:107325. [DOI: 10.1016/j.bioelechem.2019.06.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/25/2019] [Accepted: 06/25/2019] [Indexed: 12/12/2022]
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21
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Dervisevic E, Tuck KL, Voelcker NH, Cadarso VJ. Recent Progress in Lab-On-a-Chip Systems for the Monitoring of Metabolites for Mammalian and Microbial Cell Research. SENSORS (BASEL, SWITZERLAND) 2019; 19:E5027. [PMID: 31752167 PMCID: PMC6891382 DOI: 10.3390/s19225027] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/13/2019] [Accepted: 11/14/2019] [Indexed: 12/11/2022]
Abstract
Lab-on-a-chip sensing technologies have changed how cell biology research is conducted. This review summarises the progress in the lab-on-a-chip devices implemented for the detection of cellular metabolites. The review is divided into two subsections according to the methods used for the metabolite detection. Each section includes a table which summarises the relevant literature and also elaborates the advantages of, and the challenges faced with that particular method. The review continues with a section discussing the achievements attained due to using lab-on-a-chip devices within the specific context. Finally, a concluding section summarises what is to be resolved and discusses the future perspectives.
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Affiliation(s)
- Esma Dervisevic
- Department of Mechanical and Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;
| | - Kellie L. Tuck
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia;
| | - Nicolas H. Voelcker
- Monash Institute of Pharmaceutical Sciences (MIPS), Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia;
- Commonwealth Scientific and Industrial Research Organization (CSIRO), Clayton, VIC 3168, Australia
- The Melbourne Centre for Nanofabrication, Australian National Fabrication Facility-Victorian Node, Clayton, VIC 3800, Australia
- Department of Materials Science and Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Victor J. Cadarso
- Department of Mechanical and Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;
- The Melbourne Centre for Nanofabrication, Australian National Fabrication Facility-Victorian Node, Clayton, VIC 3800, Australia
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22
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Abadie T, Sella C, Perrodin P, Thouin L. Electrochemical Generation and Detection of Transient Concentration Gradients in Microfluidic Channels. Theoretical and Experimental Investigations. Front Chem 2019; 7:704. [PMID: 31709233 PMCID: PMC6822297 DOI: 10.3389/fchem.2019.00704] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 10/08/2019] [Indexed: 12/21/2022] Open
Abstract
Transient concentration gradients generated and detected electrochemically in continuous flow microchannels were investigated by numerical simulations and amperometric measurements. Operating conditions including device geometry and hydrodynamic regime were theoretically delineated for producing gradients of various profiles with tunable characteristics. Experiments were carried out with microfluidic devices incorporating a dual-channel-electrode configuration. Under these conditions, high electrochemical performance was achieved both to generate concentration gradients and to monitor their dynamics along linear microchannels. Good agreement was observed between simulated and experimental data validating predictions between gradient properties and generation conditions. These results demonstrated the capability of electrochemical microdevices to produce in situ tunable concentration gradients with real-time monitoring. This approach is versatile for the active control in microfluidics of microenvironments or chemical gradients with high spatiotemporal resolution.
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Affiliation(s)
| | | | | | - Laurent Thouin
- PASTEUR, Département de chimie, École normale supérieure, PSL University, Sorbonne Université, CNRS, Paris, France
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23
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Facile Fabrication of Hierarchical rGO/PANI@PtNi Nanocomposite via Microwave-Assisted Treatment for Non-Enzymatic Detection of Hydrogen Peroxide. NANOMATERIALS 2019; 9:nano9081109. [PMID: 31382424 PMCID: PMC6722818 DOI: 10.3390/nano9081109] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/21/2019] [Accepted: 07/30/2019] [Indexed: 12/04/2022]
Abstract
A hierarchical composite based on the modified reduced graphene oxide with platinum-nickel decorated polyaniline nano-spheres (rGO/PANI@PtNi) was facilely prepared via microwave-assisted self-reduction for an application in nonenzymatic hydrogen peroxide (H2O2) detection. Compared to the pristine rGO, the composite exhibited a much tougher surface due to the stacking of conductive PANI nano-spheres on rGO sheets, leading to good dispersion of PtNi nanoparticles and a large active area. Furthermore, the multi-valance Ni2+/3+ in the PtNi particles effectively promoted the catalytic property of Pt sites and facilitated a superior electrochemical performance of PtNi alloy than that of neat Pt. Owing to the synergistic effect of the improved electrical conductivity and the promoted electrocatalytical property, the modified glassy carbon electrode (GCE) with rGO/PANI@PtNi nanocomposite displayed an outstanding electrochemical sensitivity towards H2O2 with a fast response time (<2 s), a wide linear range (0.1–126.4 mM), a low detection limit (0.5 µM), as well as a long-life stability for one week without obvious degradation. This novel strategy opens a novel and promising approach to design high performance sensors for H2O2 detection.
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24
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Townsend AD, Sprague RS, Martin RS. Microfluidic device using a gold pillar array and integrated electrodes for on-chip endothelial cell immobilization, direct RBC contact, and amperometric detection of nitric oxide. ELECTROANAL 2019; 31:1409-1415. [PMID: 32999581 DOI: 10.1002/elan.201900157] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We describe a microfluidic device that can be used to detect interactions between red blood cells (RBCs) and endothelial cells using a gold pillar array (created by electrodeposition) and an integrated detection electrode. Endothelial cells can release nitric oxide (NO) via stimulation by RBC-derived ATP. These studies incorporate on-chip endothelial cell immobilization, direct RBC contact, and detection of NO in a single microfluidic device. In order to study the RBC-EC interactions, this work used a microfluidic device made of a PDMS chip with two adjacent channels and a polystyrene base with embedded electrodes for creating a membrane (via gold pillars) and detecting NO (at a glassy carbon electrode coated with platinum-black and Nafion). RBCs were pharmacologically treated with treprostinil in the absence and presence of glybenclamide, and ATP release was determined as was the resultant NO release from endothelial cells. Treprostinil treatment of RBCs resulted in ATP release that stimulated endothelial cells to release on average 1.8 ± 0.2 nM NO per endothelial cell (average ± SEM, n = 8). Pretreatment of RBCs with glybenclamide inhibited treprostinil-induced ATP release and, therefore, less NO was produced by the endothelial cells (0.92 ± 0.1 nM NO per endothelial cell, n = 7). In the future, this device can be used to study interactions between many other cell types (both adherent and non-adherent cell lines) and incorporate other detection schemes.
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Affiliation(s)
- Alexandra D Townsend
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, Saint Louis, MO 63103
| | - Randy S Sprague
- Department of Pharmacological and Physiological Science, Saint Louis University, 1402 S. Grand Boulevard, Saint Louis, MO 63103
| | - R Scott Martin
- Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, Saint Louis, MO 63103
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25
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Hu K, Li Y, Rotenberg SA, Amatore C, Mirkin MV. Electrochemical Measurements of Reactive Oxygen and Nitrogen Species inside Single Phagolysosomes of Living Macrophages. J Am Chem Soc 2019; 141:4564-4568. [DOI: 10.1021/jacs.9b01217] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Keke Hu
- Department of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Yun Li
- Department of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
| | - Susan A. Rotenberg
- Department of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Christian Amatore
- CNRS, PASTEUR, Département de chimie, École normale supérieure, PSL Research University, Sorbonne Universités, UPMC Univ. Paris 06, 24 rue Lhomond, 75005 Paris, France
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Michael V. Mirkin
- Department of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
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26
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Development of a flow microsensor for selective detection of nitric oxide in the presence of hydrogen peroxide. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.07.158] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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27
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Bozem M, Knapp P, Mirčeski V, Slowik EJ, Bogeski I, Kappl R, Heinemann C, Hoth M. Electrochemical Quantification of Extracellular Local H 2O 2 Kinetics Originating from Single Cells. Antioxid Redox Signal 2018; 29:501-517. [PMID: 28314376 PMCID: PMC6056260 DOI: 10.1089/ars.2016.6840] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
AIMS H2O2 is produced by all eukaryotic cells under physiological and pathological conditions. Due to its enormous relevance for cell signaling at low concentrations and antipathogenic function at high concentrations, precise quantification of extracellular local hydrogen peroxide concentrations ([H2O2]) originating from single cells is required. RESULTS Using a scanning electrochemical microscope and bare platinum disk ultramicroelectrodes, we established sensitive long-term measurements of extracellular [H2O2] kinetics originating from single primary human monocytes (MCs) ex vivo. For the electrochemical techniques square wave voltammetry, cyclic and linear scan voltammetry, and chronoamperometry, detection limits for [H2O2] were determined to be 5, 50, and 500 nM, respectively. Following phorbol ester stimulation, local [H2O2] 5-8 μm above a single MC increased by 3.4 nM/s within the first 10 min before reaching a plateau. After extracellular addition of H2O2 to an unstimulated MC, the local [H2O2] decreased on average by 4.2 nM/s due to degradation processes of the cell. Using the scanning mode of the setup, we found that H2O2 is evenly distributed around the producing cell and can still be detected up to 30 μm away from the cell. The electrochemical single-cell measurements were validated in MC populations using electron spin resonance spectroscopy and the Amplex® UltraRed assay. Innovation and Conclusion: We demonstrate a highly sensitive, spatially, and temporally resolved electrochemical approach to monitor dynamics of production and degradation processes for H2O2 separately. Local extracellular [H2O2] kinetics originating from single cells is quantified in real time. Antioxid. Redox Signal. 29, 501-517.
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Affiliation(s)
- Monika Bozem
- 1 Department of Biophysics, Faculty of Medicine, Center for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University , Homburg, Germany
| | - Phillip Knapp
- 1 Department of Biophysics, Faculty of Medicine, Center for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University , Homburg, Germany
| | - Valentin Mirčeski
- 2 Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Ss Kiril i Metodij University , Skopje, Macedonia
| | - Ewa J Slowik
- 1 Department of Biophysics, Faculty of Medicine, Center for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University , Homburg, Germany
| | - Ivan Bogeski
- 1 Department of Biophysics, Faculty of Medicine, Center for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University , Homburg, Germany .,3 Cardiovascular Physiology, University Medical Center, University of Göttingen , Göttingen, Germany
| | - Reinhard Kappl
- 1 Department of Biophysics, Faculty of Medicine, Center for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University , Homburg, Germany
| | | | - Markus Hoth
- 1 Department of Biophysics, Faculty of Medicine, Center for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University , Homburg, Germany
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28
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Li Y, Sella C, Lemaître F, Guille-Collignon M, Amatore C, Thouin L. Downstream Simultaneous Electrochemical Detection of Primary Reactive Oxygen and Nitrogen Species Released by Cell Populations in an Integrated Microfluidic Device. Anal Chem 2018; 90:9386-9394. [PMID: 29979582 DOI: 10.1021/acs.analchem.8b02039] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An innovative microfluidic platform was designed to monitor electrochemically four primary reactive oxygen (ROS) and reactive nitrogen species (RNS) released by aerobic cells. Taking advantage of the space confinement and electrode performances under flow conditions, only a few experiments were sufficient to directly provide significant statistical data relative to the average behavior of cells during oxidative-stress bursts. The microfluidic platform comprised an upstream microchamber for cell culture and four parallel microchannels located downstream for separately detecting H2O2, ONOO-, NO·, and NO2-. Amperometric measurements were performed at highly sensitive Pt-black electrodes implemented in the microchannels. RAW 264.7 macrophage secretions triggered by a calcium ionophore were used as a way to assess the performance, sensitivity, and specificity of the integrated microfluidic device. In comparison with some previous evaluations achieved from single-cell measurements, reproducible and relevant determinations validated the proof of concept of this microfluidic platform for analyzing statistically significant oxidative-stress responses of various cell types.
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Affiliation(s)
- Yun Li
- PASTEUR, Département de chimie , École normale supérieure, PSL Université, Sorbonne Université, CNRS , 75005 Paris , France
| | - Catherine Sella
- PASTEUR, Département de chimie , École normale supérieure, PSL Université, Sorbonne Université, CNRS , 75005 Paris , France
| | - Frédéric Lemaître
- PASTEUR, Département de chimie , École normale supérieure, PSL Université, Sorbonne Université, CNRS , 75005 Paris , France
| | - Manon Guille-Collignon
- PASTEUR, Département de chimie , École normale supérieure, PSL Université, Sorbonne Université, CNRS , 75005 Paris , France
| | - Christian Amatore
- PASTEUR, Département de chimie , École normale supérieure, PSL Université, Sorbonne Université, CNRS , 75005 Paris , France
| | - Laurent Thouin
- PASTEUR, Département de chimie , École normale supérieure, PSL Université, Sorbonne Université, CNRS , 75005 Paris , France
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29
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Baldim V, Bedioui F, Mignet N, Margaill I, Berret JF. The enzyme-like catalytic activity of cerium oxide nanoparticles and its dependency on Ce 3+ surface area concentration. NANOSCALE 2018; 10:6971-6980. [PMID: 29610821 DOI: 10.1039/c8nr00325d] [Citation(s) in RCA: 152] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cerium oxide nanoparticles are known to catalyze the decomposition of reactive oxygen species such as the superoxide radical and hydrogen peroxide. Herein, we examine the superoxide dismutase (SOD) and catalase (CAT) mimetic catalytic activities of nanoceria and demonstrate the existence of generic behaviors. For particles of sizes 4.5, 7.8, 23 and 28 nm, the SOD and CAT catalytic activities exhibit the characteristic shape of a Langmuir isotherm as a function of cerium concentration. The results show that the catalytic effects are enhanced for smaller particles and for the particles with the largest Ce3+ fraction. The SOD-like activity obtained from the different samples is found to superimpose on a single master curve using the Ce3+ surface area concentration as a new variable, indicating the existence of particle independent redox mechanisms. For the CAT assays, the adsorption of H2O2 molecules at the particle surface modulates the efficacy of the decomposition process and must be taken into account. We design an amperometry-based experiment to evaluate the H2O2 adsorption at nanoceria surfaces, leading to the renormalization of the particle specific area. Depending on the particle type the amount of adsorbed H2O2 molecules varies from 2 to 20 nm-2. The proposed scalings are predictive and allow the determination of the SOD and CAT catalytic properties of cerium oxide solely from physicochemical features.
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Affiliation(s)
- V Baldim
- Matière et Systèmes Complexes, UMR 7057 CNRS Université Denis Diderot Paris-VII, Bâtiment Condorcet, 10 rue Alice Domon et Léonie Duquet, 75205 Paris, France.
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30
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Li Y, Hu K, Yu Y, Rotenberg SA, Amatore C, Mirkin MV. Direct Electrochemical Measurements of Reactive Oxygen and Nitrogen Species in Nontransformed and Metastatic Human Breast Cells. J Am Chem Soc 2017; 139:13055-13062. [DOI: 10.1021/jacs.7b06476] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yun Li
- Department
of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
| | - Keke Hu
- Department
of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Yun Yu
- Department
of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Susan A. Rotenberg
- Department
of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Christian Amatore
- PASTEUR,
Département de Chimie, École Normale Supérieure, PSL Research University, Sorbonne Universités, UPMC Univ. Paris 06, CNRS, 24 rue Lhomond, Paris 75005, France
- State
Key Laboratory of Structural Chemistry, Fujian Institute
of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Michael V. Mirkin
- Department
of Chemistry and Biochemistry, Queens College-CUNY, Flushing, New York 11367, United States
- The Graduate Center of the City University of New York, New York, New York 10016, United States
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31
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Zhang XW, Qiu QF, Jiang H, Zhang FL, Liu YL, Amatore C, Huang WH. Real-Time Intracellular Measurements of ROS and RNS in Living Cells with Single Core-Shell Nanowire Electrodes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707187] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Xin-Wei Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Quan-Fa Qiu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Hong Jiang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Fu-Li Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Yan-Lin Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Christian Amatore
- State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
- PASTEUR; Département de chimie; École normale supérieure; PSL Research University; Sorbonne Universités; UPMC Univ. Paris 06; CNRS; 24 rue Lhomond 75005 Paris France
| | - Wei-Hua Huang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
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32
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Zhang XW, Qiu QF, Jiang H, Zhang FL, Liu YL, Amatore C, Huang WH. Real-Time Intracellular Measurements of ROS and RNS in Living Cells with Single Core-Shell Nanowire Electrodes. Angew Chem Int Ed Engl 2017; 56:12997-13000. [DOI: 10.1002/anie.201707187] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 08/07/2017] [Indexed: 01/29/2023]
Affiliation(s)
- Xin-Wei Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Quan-Fa Qiu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Hong Jiang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Fu-Li Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Yan-Lin Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Christian Amatore
- State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
- PASTEUR; Département de chimie; École normale supérieure; PSL Research University; Sorbonne Universités; UPMC Univ. Paris 06; CNRS; 24 rue Lhomond 75005 Paris France
| | - Wei-Hua Huang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
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33
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Lertanantawong B, Hoshyargar F, O'Mullane AP. Directing Nanostructure Formation of Gold through the In Situ Underpotential Deposition of a Secondary Metal for the Detection of Nitrite Ions. ChemElectroChem 2017. [DOI: 10.1002/celc.201700707] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Benchaporn Lertanantawong
- Nanoscience and Nanotechnology Graduate Program King Mongkut's University of Technology Thonburi (KMUTT) 126 Pracha Uthit Rd. Bangmod, Tungkru, Bangkok 10140 Thailand
| | - Faegheh Hoshyargar
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) GPO Box 2434 Brisbane, QLD 4001 Australia
| | - Anthony P. O'Mullane
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) GPO Box 2434 Brisbane, QLD 4001 Australia
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34
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Alsufyani T, Fadlallah SA. Detection of glucose in the growth media of Ulva lactuca using a Ni-Cu/TiO 2 /Ti self-assembly nanostructure sensor under the influence of crude oil. SENSING AND BIO-SENSING RESEARCH 2017. [DOI: 10.1016/j.sbsr.2017.03.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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35
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On-Line Monitoring the Growth of E. coli or HeLa Cells Using an Annular Microelectrode Piezoelectric Biosensor. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:ijerph13121254. [PMID: 27999343 PMCID: PMC5201395 DOI: 10.3390/ijerph13121254] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Revised: 11/27/2016] [Accepted: 11/30/2016] [Indexed: 11/17/2022]
Abstract
Biological information is obtained from the interaction between the series detection electrode and the organism or the physical field of biological cultures in the non-mass responsive piezoelectric biosensor. Therefore, electric parameter of the electrode will affect the biosensor signal. The electric field distribution of the microelectrode used in this study was simulated using the COMSOL Multiphysics analytical tool. This process showed that the electric field spatial distribution is affected by the width of the electrode finger or the space between the electrodes. In addition, the characteristic response of the piezoelectric sensor constructed serially with an annular microelectrode was tested and applied for the continuous detection of Escherichia coli culture or HeLa cell culture. Results indicated that the piezoelectric biosensor with an annular microelectrode meets the requirements for the real-time detection of E. coli or HeLa cells in culture. Moreover, this kind of piezoelectric biosensor is more sensitive than the sensor with an interdigital microelectrode. Thus, the piezoelectric biosensor acts as an effective analysis tool for acquiring online cell or microbial culture information.
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36
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Fagan-Murphy A, Hachoumi L, Yeoman M, Patel B. Electrochemical sensor for the detection of multiple reactive oxygen and nitrogen species from ageing central nervous system homogenates. Mech Ageing Dev 2016; 160:28-31. [DOI: 10.1016/j.mad.2016.10.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 09/01/2016] [Accepted: 10/03/2016] [Indexed: 10/20/2022]
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37
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Badets V, Pandard J, Sojic N, Arbault S. Deciphering the Platinized Surface Reactivity to Improve the Detection of Hydrogen Peroxide in Bioanalyses. ChemElectroChem 2016. [DOI: 10.1002/celc.201600558] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Vasilica Badets
- University of Bordeaux; ISM, CNRS UMR 5255, NSysA group, ENSCBP; 33607 Pessac France
- Université de Strasbourg; Institut de Chimie, UMR CNRS 7177 Laboratoire d “Electrochimie et de Chimie Physique du Corps Solide; 67081 Strasbourg France
| | - Justine Pandard
- University of Bordeaux; ISM, CNRS UMR 5255, NSysA group, ENSCBP; 33607 Pessac France
| | - Neso Sojic
- University of Bordeaux; ISM, CNRS UMR 5255, NSysA group, ENSCBP; 33607 Pessac France
| | - Stéphane Arbault
- University of Bordeaux; ISM, CNRS UMR 5255, NSysA group, ENSCBP; 33607 Pessac France
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38
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Gonzalez-Macia L, Griveau S, d'Orlyé F, Varenne A, Sella C, Thouin L, Bedioui F. Electrografting of aryl diazonium on thin layer platinum microbands: Towards customized surface functionalization within microsystems. Electrochem commun 2016. [DOI: 10.1016/j.elecom.2016.07.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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39
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Li Y, Meunier A, Fulcrand R, Sella C, Amatore C, Thouin L, Lemaître F, Guille-Collignon M. Multi-chambers Microsystem for Simultaneous and Direct Electrochemical Detection of Reactive Oxygen and Nitrogen Species Released by Cell Populations. ELECTROANAL 2016. [DOI: 10.1002/elan.201501157] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Yun Li
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Anne Meunier
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Rémy Fulcrand
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Catherine Sella
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Christian Amatore
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Laurent Thouin
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Frédéric Lemaître
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
| | - Manon Guille-Collignon
- Ecole Normale Supérieure-PSL Research University, Département de Chimie; Sorbonne Universités - UPMC Univ Paris 06, CNRS UMR 8640 PASTEUR; 24, rue Lhomond 75005 Paris France
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40
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Tsopela A, Lale A, Vanhove E, Reynes O, Séguy I, Temple-Boyer P, Juneau P, Izquierdo R, Launay J. Integrated electrochemical biosensor based on algal metabolism for water toxicity analysis. Biosens Bioelectron 2014; 61:290-7. [DOI: 10.1016/j.bios.2014.05.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 04/24/2014] [Accepted: 05/01/2014] [Indexed: 01/03/2023]
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41
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Electrochemical Detection of Nitric Oxide and Peroxynitrite Anion in Microchannels at Highly Sensitive Platinum-Black Coated Electrodes. Application to ROS and RNS Mixtures prior to Biological Investigations. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.08.046] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Ben-Amor S, Vanhove E, Sékli Belaïdi F, Charlot S, Colin D, Rigoulet M, Devin A, Sojic N, Launay J, Temple-Boyer P, Arbault S. Enhanced Detection of Hydrogen Peroxide with Platinized Microelectrode Arrays for Analyses of Mitochondria Activities. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.11.104] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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43
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Gu S, Lu Y, Ding Y, Li L, Song H, Wang J, Wu Q. A droplet-based microfluidic electrochemical sensor using platinum-black microelectrode and its application in high sensitive glucose sensing. Biosens Bioelectron 2013; 55:106-12. [PMID: 24368227 DOI: 10.1016/j.bios.2013.12.002] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 11/20/2013] [Accepted: 12/01/2013] [Indexed: 11/29/2022]
Abstract
We describe a droplet-based microfluidic electrochemical sensor using platinum-black (Pt-black) microelectrode. Pt-black microelectrode was generated by electrodeposition of Pt nanoparticles on bare Pt microelectrode. Scanning electron microscope (SEM) image displays a flower-like microstructure of Pt nanoparticels. Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) indicate that the Pt-black efficiently decreased the charge transfer resistance and improved the electrocatalytic activity towards oxidation of hydrogen peroxide (H2O2). Compared with bare Pt microelectrode, the current response on Pt-black microelectrode increased 10.2 folds. The effect of applied potential and electrodeposition time has been investigated in detail. The proposed sensor was validated by performing enzyme activity assay in flowing droplets. For demonstration, glucose oxidase (GOx) is chosen as the model enzyme, which catalyzes the oxidation of β-D-glucose to the product H2O2. The enzyme activity of GOx was evaluated by measuring the electrochemical current responding to various glucose concentrations. And the results indicate that this microfluidic sensor holds great potential in fabricating novel glucose sensors with linear response up to 43.5mM. The analytical applications of the droplet-based microfluidic sensor were tested by using human blood serum samples. Reproducibility, interferences, and long-term stability of the modified electrode were also investigated. The present approach shows the feasibility and great potentials in constructing highly sensitive and low-consumption sensors in the field of droplet microfluidics.
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Affiliation(s)
- Shuqing Gu
- Department of chemistry, College of Sciences, Shanghai University, Shanghai 200444, China; Technical Center for Animal Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau , Shanghai 200135, China; School of Materials Science and Engineering, Shanghai University, Shanghai, China
| | - Youlan Lu
- Department of chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Yaping Ding
- Department of chemistry, College of Sciences, Shanghai University, Shanghai 200444, China; School of Materials Science and Engineering, Shanghai University, Shanghai, China.
| | - Li Li
- Department of chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Hongsheng Song
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Jinhua Wang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Qingsheng Wu
- Department of Chemistry, Tongji University, Shanghai 200092, China
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44
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Liu Y, Zhou J, Gong J, Wu WP, Bao N, Pan ZQ, Gu HY. The investigation of electrochemical properties for Fe3O4@Pt nanocomposites and an enhancement sensing for nitrite. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.08.077] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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