1
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Wikeley S, Przybylowski J, Gardiner JE, James TD, Fletcher PJ, Isaacs MA, Lozano-Sanchez P, Caffio M, Marken F. Pyrene-Appended Boronic Acids on Graphene Foam Electrodes Provide Quantum Capacitance-Based Molecular Sensors for Lactate. ACS Sens 2024; 9:1565-1574. [PMID: 38447101 PMCID: PMC10964244 DOI: 10.1021/acssensors.4c00027] [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] [Received: 01/05/2024] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 03/08/2024]
Abstract
Molecular recognition and sensing can be coupled to interfacial capacitance changes on graphene foam surfaces linked to double layer effects and coupled to enhanced quantum capacitance. 3D graphene foam film electrodes (Gii-Sens; thickness approximately 40 μm; roughness factor approximately 100) immersed in aqueous buffer media exhibit an order of magnitude jump in electrochemical capacitance upon adsorption of a charged molecular receptor based on pyrene-appended boronic acids (here, 4-borono-1-(pyren-2-ylmethyl)pyridin-1-ium bromide, or abbreviated T1). This pyrene-appended pyridinium boronic acid receptor is employed here as a molecular receptor for lactate. In the presence of lactate and at pH 4.0 (after pH optimization), the electrochemical capacitance (determined by impedance spectroscopy) doubles again. Lactic acid binding is expressed with a Hillian binding constant (Klactate = 75 mol-1 dm3 and α = 0.8 in aqueous buffer, Klactate = 460 mol-1 dm3 and α = 0.8 in artificial sweat, and Klactate = 340 mol-1 dm3 and α = 0.65 in human serum). The result is a selective molecular probe response for lactic acid with LoD = 1.3, 1.4, and 1.8 mM in aqueous buffer media (pH 4.0), in artificial sweat (adjusted to pH 4.7), and in human serum (pH adjusted to 4.0), respectively. The role of the pyrene-appended boronic acid is discussed based on the double layer structure and quantum capacitance changes. In the future, this new type of molecular capacitance sensor could provide selective enzyme-free analysis without analyte consumption for a wider range of analytes and complex environments.
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Affiliation(s)
- Simon
M. Wikeley
- Department
of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.
| | - Jakub Przybylowski
- Department
of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.
| | - Jordan E. Gardiner
- Department
of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.
| | - Tony D. James
- Department
of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.
- School
of Chemistry and Chemical Engineering, Henan
Normal University, Xinxiang 453007, China
| | | | - Mark A. Isaacs
- HarwellXPS,
Research Complex at Harwell, STFC Rutherford
Appleton Laboratory, Harwell Campus, Didcot OX11 0FA, U.K.
- Department
of Chemistry, University College London, London WC1H 0AJ, U.K.
| | | | - Marco Caffio
- Integrated
Graphene Ltd., Euro House, Wellgreen Place, Stirling FK8 2DJ, U.K.
| | - Frank Marken
- Department
of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.
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2
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Li Q, Li D, Lu J, Zou K, Wang L, Jiao Y, Wang M, Gao R, Song J, Li Y, Li F, Ji J, Wang J, Li L, Ye T, He E, Chen H, Wang Y, Ren J, Bai C, Yang S, Zhang Y. Interface-Stabilized Fiber Sensor for Real-Time Monitoring of Amniotic Fluid During Pregnancy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307726. [PMID: 37775103 DOI: 10.1002/adma.202307726] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Indexed: 10/01/2023]
Abstract
Diseases in pregnancy endanger millions of fetuses worldwide every year. The onset of these diseases can be early warned by the dynamic abnormalities of biochemicals in amniotic fluid, thus requiring real-time monitoring. However, when continuously penetrated by detection devices, the amnion is prone to loss of robustness and rupture, which is difficult to regenerate. Here, an interface-stabilized fiber sensor is presented for real-time monitoring of biochemical dynamics in amniotic fluid during pregnancy. The sensor is seamlessly integrated into the amnion through tissue adhesion, amniotic regeneration, and uniform stress distribution, posing no risk to the amniotic fluid environment. The sensor demonstrates a response performance of less than 0.3% fluctuation under complex dynamic conditions and an accuracy of more than 98% from the second to the third trimester. By applying it to early warning of diseases such as intrauterine hypoxia, intrauterine infection, and fetal growth restriction, fetal survival increases to 95% with timely intervention.
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Affiliation(s)
- Qianming Li
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Dan Li
- Key Laboratory of Inflammation and Immunoregulation, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jiang Lu
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Kuangyi Zou
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Lie Wang
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Yiding Jiao
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Maosen Wang
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Rui Gao
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Jie Song
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Yiran Li
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Fangyan Li
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Jianjian Ji
- Key Laboratory of Inflammation and Immunoregulation, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jiacheng Wang
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Luhe Li
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Tingting Ye
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Er He
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Hao Chen
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Yuanzhen Wang
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Junye Ren
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Chenyu Bai
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Shuo Yang
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
| | - Ye Zhang
- College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Chemistry and Biomedicine Innovation Centre, Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, 210023, China
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3
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Park J, Shalvey TP, Moehl T, Woo K, Major JD, Tilley SD, Yang W. Impedance spectroscopy of Sb 2Se 3 photovoltaics consisting of (Sb 4Se 6) n nanoribbons under light illumination. NANOSCALE 2023. [PMID: 38050427 DOI: 10.1039/d3nr04082h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
Sb2Se3, consisting of one-dimensional (Sb4Se6)n nanoribbons has drawn attention as an intriguing light absorber from the photovoltaics (PVs) research community. However, further research is required on the performance-limiting factors in Sb2Se3 PVs. In this study, we investigated the charge carrier behavior in Sb2Se3 PVs by impedance spectroscopy (IS) under light illumination. (Sb4Se6)n nanoribbons with two different orientations were used to investigate the effect of crystal orientation on the device performance. Regardless of the (Sb4Se6)n orientation, negative capacitance was observed at forward bias, representing a recombination pathway at the TiO2/Sb2Se3 interface. A comparison of the recombination resistances and lifetimes of two different Sb2Se3 PVs showed that a better interface could be formed by placing the (Sb4Se6)n ribbons parallel to the TiO2 layer. Based on these observations, an ideal structure of the Sb2Se3/TiO2 interface is proposed, which will enhance the performance of Sb2Se3 PVs toward its theoretical limit.
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Affiliation(s)
- Jaemin Park
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 16419, Republic of Korea.
| | - Thomas P Shalvey
- Stephenson Institute for Renewable Energy, Physics Department, University of Liverpool, Liverpool L69 7ZF, UK
| | - Thomas Moehl
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Kyoohee Woo
- Department of Printed Electronics, Korea Institute of Machinery & Materials, Daejeon 305-343, South Korea
| | - Jonathan D Major
- Stephenson Institute for Renewable Energy, Physics Department, University of Liverpool, Liverpool L69 7ZF, UK
| | - S David Tilley
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Wooseok Yang
- School of Chemical Engineering, Sungkyunkwan University (SKKU), 16419, Republic of Korea.
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, Republic of Korea
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4
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Pal A, Kaswan K, Barman SR, Lin YZ, Chung JH, Sharma MK, Liu KL, Chen BH, Wu CC, Lee S, Choi D, Lin ZH. Microfluidic nanodevices for drug sensing and screening applications. Biosens Bioelectron 2023; 219:114783. [PMID: 36257116 PMCID: PMC9533638 DOI: 10.1016/j.bios.2022.114783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 09/18/2022] [Accepted: 10/01/2022] [Indexed: 11/03/2022]
Abstract
The outbreak of pandemics (e.g., severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 in 2019), influenza A viruses (H1N1 in 2009), etc.), and worldwide spike in the aging population have created unprecedented urgency for developing new drugs to improve disease treatment. As a result, extensive efforts have been made to design novel techniques for efficient drug monitoring and screening, which form the backbone of drug development. Compared to traditional techniques, microfluidics-based platforms have emerged as promising alternatives for high-throughput drug screening due to their inherent miniaturization characteristics, low sample consumption, integration, and compatibility with diverse analytical strategies. Moreover, the microfluidic-based models utilizing human cells to produce in-vitro biomimetics of the human body pave new ways to predict more accurate drug effects in humans. This review provides a comprehensive summary of different microfluidics-based drug sensing and screening strategies and briefly discusses their advantages. Most importantly, an in-depth outlook of the commonly used detection techniques integrated with microfluidic chips for highly sensitive drug screening is provided. Then, the influence of critical parameters such as sensing materials and microfluidic platform geometries on screening performance is summarized. This review also outlines the recent applications of microfluidic approaches for screening therapeutic and illicit drugs. Moreover, the current challenges and the future perspective of this research field is elaborately highlighted, which we believe will contribute immensely towards significant achievements in all aspects of drug development.
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Affiliation(s)
- Arnab Pal
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; International Intercollegiate PhD Program, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Kuldeep Kaswan
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; International Intercollegiate PhD Program, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Snigdha Roy Barman
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; International Intercollegiate PhD Program, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yu-Zih Lin
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Jun-Hsuan Chung
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Manish Kumar Sharma
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Kuei-Lin Liu
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Bo-Huan Chen
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; International Intercollegiate PhD Program, National Tsing Hua University, Hsinchu, 30013, Taiwan; Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, 333, Taiwan
| | - Chih-Cheng Wu
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; Center of Quality Management, National Taiwan University Hospital, Hsinchu Branch, Hsinchu, 30059, Taiwan; College of Medicine, National Taiwan University, Taipei, 10051, Taiwan; Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, 35053, Taiwan
| | - Sangmin Lee
- School of Mechanical Engineering, Chung-Ang University, Seoul, 06974, South Korea.
| | - Dongwhi Choi
- Department of Mechanical Engineering (Integrated Engineering Program), Kyung Hee University, Gyeonggi, 17104, South Korea.
| | - Zong-Hong Lin
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; International Intercollegiate PhD Program, National Tsing Hua University, Hsinchu, 30013, Taiwan; Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan; Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan; Department of Mechanical Engineering (Integrated Engineering Program), Kyung Hee University, Gyeonggi, 17104, South Korea.
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5
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Bokova M, Dumortier S, Poupin C, Cousin R, Kassem M, Bychkov E. Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection. SENSORS (BASEL, SWITZERLAND) 2022; 22:9986. [PMID: 36560356 PMCID: PMC9785170 DOI: 10.3390/s22249986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/12/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Chalcogenide glasses are widely used as sensitive membranes in the chemical sensors for heavy metal ions detection. The lack of research work on sodium ion-selective electrodes (Na+-ISEs) based on chalcogenide glasses is due to the high hygroscopicity of alkali dopes chalcogenides. However, sodium halide doped Ga2S3-GeS2 glasses are more chemically stable in water and could be used as Na+-sensitive membranes for the ISEs. In this work we have studied the physico-chemical properties of mixed cation (AgI)x(NaI)30-x(Ga2S3)26(GeS2)44 chalcogenide glasses (where x = 0, 7.5, 15, 22.5 and 30 mol.% AgI) using density, DSC, and conductivity measurements. The mixed cation effect with shallow conductivity and glass transition temperature minimum was found for silver fraction r = Ag/(Na + Ag) ≈ 0.5. Silver addition decreases the moisture resistance of the glasses. Only (AgI)22.5(NaI)7.5(Ga2S3)26(GeS2)44 composition was suitable for chemical sensors application, contrary to the single cation sodium halide doped Ga2S3-GeS2 glasses, where 15 mol.% sodium-halide-containing vitreous alloys are stable in water solutions. The analytical parameters of (NaCl)15(Ga2S3)23(GeS2)62; (NaI)15(Ga2S3)23(GeS2)62 and (AgI)22.5(NaI)7.5(Ga2S3)26(GeS2)44 glass compositions as active membranes in Na+-ISEs were investigated, including detection limit, sensitivity, linearity, ionic selectivity (in the presence of K+, Mg2+, Ca2+, Ba2+, and Zn2+ interfering cations), reproducibility and optimal pH-range.
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Affiliation(s)
- Maria Bokova
- Laboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, France
| | - Steven Dumortier
- Laboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, France
| | - Christophe Poupin
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), Université du Littoral Côte d’Opale (ULCO), UR 4492, SFR Condorcet FR CNRS 3417, 59140 Dunkerque, France
| | - Renaud Cousin
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), Université du Littoral Côte d’Opale (ULCO), UR 4492, SFR Condorcet FR CNRS 3417, 59140 Dunkerque, France
| | - Mohammad Kassem
- Laboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, France
| | - Eugene Bychkov
- Laboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, France
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6
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Effect of Lithium 4-Styrene Sulfonate–Based Self-Doped Polymer Electrolyte on LiMn2O4 Electrodes in Lithium-Ion Secondary Batteries. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00790-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Wang J, Li H, Li C, Ding Y, Wang Y, Zhu W, Wang J, Shao Y, Pan H, Wang X. EIS biosensor based on a novel Myoviridae bacteriophage SEP37 for rapid and specific detection of Salmonella in food matrixes. Food Res Int 2022; 158:111479. [DOI: 10.1016/j.foodres.2022.111479] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 06/01/2022] [Accepted: 06/04/2022] [Indexed: 11/27/2022]
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8
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Loew N, Watanabe H, Shitanda I, Itagaki M. Electrochemical impedance spectroscopy: Simultaneous detection of different diffusion behaviors as seen in finite element method simulations of mediator-type enzyme electrodes. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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9
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Abstract
Interpretation of impedance spectroscopy data requires both a description of the chemistry and physics that govern the system and an assessment of the error structure of the measurement. The approach presented here includes use of graphical methods to guide model development, use of a measurement model analysis to assess the presence of stochastic and bias errors, and a systematic development of interpretation models in terms of the proposed reaction mechanism and physical description. Application to corrosion, batteries, and biological systems is discussed, and emerging trends in interpretation and implementation of impedance spectroscopy are presented.
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Affiliation(s)
- Vincent Vivier
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, 4 place Jussieu, Paris 75005 Cedex 05, France
| | - Mark E Orazem
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
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10
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Vettumperumal R, Dhineshbabu NR, Karthikeyan B. Material characterizations of Moringa oleifera gum (MOG). PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2021.1989682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- R. Vettumperumal
- Department of Physics, Fodhdhoo School, Fodhdhoo, Republic of Maldives
| | - N. R. Dhineshbabu
- Department of Electronics and Communication Engineering, Aditya Engineering College, Surampalem, Andhra Pradesh, India
| | - B. Karthikeyan
- Department of Physics, Mepco Schlenk Engineering College, Sivakasi, Tamil Nadu, India
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11
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Tiwari N, Chatterjee S, Kaswan K, Chung JH, Fan KP, Lin ZH. Recent advancements in sampling, power management strategies and development in applications for non-invasive wearable electrochemical sensors. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116064] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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12
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Centane S, Nyokong T. Impedimetric aptasensor for HER2 biomarker using graphene quantum dots, polypyrrole and cobalt phthalocyanine modified electrodes. SENSING AND BIO-SENSING RESEARCH 2021. [DOI: 10.1016/j.sbsr.2021.100467] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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13
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Usha SP, Manoharan H, Deshmukh R, Álvarez-Diduk R, Calucho E, Sai VVR, Merkoçi A. Attomolar analyte sensing techniques (AttoSens): a review on a decade of progress on chemical and biosensing nanoplatforms. Chem Soc Rev 2021; 50:13012-13089. [PMID: 34673860 DOI: 10.1039/d1cs00137j] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Detecting the ultra-low abundance of analytes in real-life samples, such as biological fluids, water, soil, and food, requires the design and development of high-performance biosensing modalities. The breakthrough efforts from the scientific community have led to the realization of sensing technologies that measure the analyte's ultra-trace level, with relevant sensitivity, selectivity, response time, and sampling efficiency, referred to as Attomolar Analyte Sensing Techniques (AttoSens) in this review. In an AttoSens platform, 1 aM detection corresponds to the quantification of 60 target analyte molecules in 100 μL of sample volume. Herein, we review the approaches listed for various sensor probe design, and their sensing strategies that paved the way for the detection of attomolar (aM: 10-18 M) concentration of analytes. A summary of the technological advances made by the diverse AttoSens trends from the past decade is presented.
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Affiliation(s)
- Sruthi Prasood Usha
- Biomedical Engineering, Department of Applied Mechanics, Indian Institute of Technology Madras (IITM), India.
| | - Hariharan Manoharan
- Biomedical Engineering, Department of Applied Mechanics, Indian Institute of Technology Madras (IITM), India.
| | - Rehan Deshmukh
- Biomedical Engineering, Department of Applied Mechanics, Indian Institute of Technology Madras (IITM), India.
| | - Ruslan Álvarez-Diduk
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), Campus UAB, Barcelona, Spain.
| | - Enric Calucho
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), Campus UAB, Barcelona, Spain.
| | - V V R Sai
- Biomedical Engineering, Department of Applied Mechanics, Indian Institute of Technology Madras (IITM), India.
| | - Arben Merkoçi
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), Campus UAB, Barcelona, Spain. .,ICREA, Institució Catalana de Recercai Estudis Avançats, Barcelona, Spain
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14
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Zhang G, Zeng H, Liu J, Nagashima K, Takahashi T, Hosomi T, Tanaka W, Yanagida T. Nanowire-based sensor electronics for chemical and biological applications. Analyst 2021; 146:6684-6725. [PMID: 34667998 DOI: 10.1039/d1an01096d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Detection and recognition of chemical and biological species via sensor electronics are important not only for various sensing applications but also for fundamental scientific understanding. In the past two decades, sensor devices using one-dimensional (1D) nanowires have emerged as promising and powerful platforms for electrical detection of chemical species and biologically relevant molecules due to their superior sensing performance, long-term stability, and ultra-low power consumption. This paper presents a comprehensive overview of the recent progress and achievements in 1D nanowire synthesis, working principles of nanowire-based sensors, and the applications of nanowire-based sensor electronics in chemical and biological analytes detection and recognition. In addition, some critical issues that hinder the practical applications of 1D nanowire-based sensor electronics, including device reproducibility and selectivity, stability, and power consumption, will be highlighted. Finally, challenges, perspectives, and opportunities for developing advanced and innovative nanowire-based sensor electronics in chemical and biological applications are featured.
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Affiliation(s)
- Guozhu Zhang
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Hao Zeng
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Jiangyang Liu
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Kazuki Nagashima
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Tsunaki Takahashi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Takuro Hosomi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Wataru Tanaka
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Takeshi Yanagida
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan
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New tools of Electrochemistry at the service of (bio)sensing: From rational designs to electrocatalytic mechanisms. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115097] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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16
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Gwiazda M, Bhardwaj SK, Kijeńska-Gawrońska E, Swieszkowski W, Sivasankaran U, Kaushik A. Impedimetric and Plasmonic Sensing of Collagen I Using a Half-Antibody-Supported, Au-Modified, Self-Assembled Monolayer System. BIOSENSORS-BASEL 2021; 11:bios11070227. [PMID: 34356698 PMCID: PMC8301786 DOI: 10.3390/bios11070227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/03/2021] [Accepted: 07/05/2021] [Indexed: 11/16/2022]
Abstract
This research presents an electrochemical immunosensor for collagen I detection using a self-assembled monolayer (SAM) of gold nanoparticles (AuNPs) and covalently immobilized half-reduced monoclonal antibody as a receptor; this allowed for the validation of the collagen I concentration through two different independent methods: electrochemically by Electrochemical Impedance Spectroscopy (EIS), and optically by Surface Plasmon Resonance (SPR). The high unique advantage of the proposed sensor is based on the performance of the stable covalent immobilization of the AuNPs and enzymatically reduced half-IgG collagen I antibodies, which ensured their appropriate orientation onto the sensor's surface, good stability, and sensitivity properties. The detection of collagen type I was performed in a concentration range from 1 to 5 pg/mL. Moreover, SPR was utilized to confirm the immobilization of the monoclonal half-antibodies and sensing of collagen I versus time. Furthermore, EIS experiments revealed a limit of detection (LOD) of 0.38 pg/mL. The selectivity of the performed immunosensor was confirmed by negligible responses for BSA. The performed approach of the immunosensor is a novel, innovative attempt that enables the detection of collagen I with very high sensitivity in the range of pg/mL, which is significantly lower than the commonly used enzyme-linked immunosorbent assay (ELISA).
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Affiliation(s)
- Marcin Gwiazda
- Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., 02-507 Warsaw, Poland; (M.G.); (E.K.-G.); (W.S.)
- Department of Chemistry, The University of Manchester, Manchester M13 9PL, UK
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland;
| | - Sheetal K. Bhardwaj
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland;
- Van’t Hoff Institute for Molecular Sciences, University of Amsterdam Science Park 904, 1098 XH Amsterdam, The Netherlands
- Correspondence: or (S.K.B.); or (A.K.)
| | - Ewa Kijeńska-Gawrońska
- Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., 02-507 Warsaw, Poland; (M.G.); (E.K.-G.); (W.S.)
- Centre for Advanced Materials and Technologies CEZAMAT, Poleczki 19, 02-822 Warsaw, Poland
| | - Wojciech Swieszkowski
- Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., 02-507 Warsaw, Poland; (M.G.); (E.K.-G.); (W.S.)
| | - Unni Sivasankaran
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland;
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Natural Sciences, Florida Polytechnic University, Lakeland, FL 33805, USA
- Correspondence: or (S.K.B.); or (A.K.)
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17
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Aydin EB, Aydin M, Sezgintürk MK. A Label-free Electrochemical Immunosensor for Highly Sensitive Detection of TNF α, Based on Star Polymer-modified disposable ITO Electrode. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916999200409111759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Biomarkers are very important disease-related biomolecules which should be
analyzed sensitive and selective in related physiological fluids or tissues. Tumor necrosis factor-α is a
type of cytokine which plays vitlly important roles in different methabolic pathways such as cell death,
survival, differentiation, proliferation and migration, and infectious and inflammatory diseases including
rheumatoid arthritis, diabetes.
Objective:
In this study, it was aimed to develop a reliable tool based on star-shaped poly(glycidyl
methacrylate) polymer coated disposable indium tin oxide electrode for determination of Tumor necrosis
factor-α, an important disease biomarker.
Methods:
Star shaped polymer was used as an interface material for anti- Tumor necrosis factor α antibodies
immobilization. The antibodies were immobilized covalently onto polymer coated indium tin
oxide electrode. Electrochemical impedance spectroscopy and cyclic voltammetry techniques were
used for all electrochemical measurements.
Results:
The suggested immunosensor exhibited a linear range between 0.02 and 4 pg/mL Tumor necrosis
factor-α, and the detection limit was found as 6 fg/mL. Scanning electron microscopy and atomic
force microscopy were used for electrode surface characterization. In addition, the suggested immunosensor
was used for Tumor necrosis factor-α sensing in human serum samples. The results displayed
recoveries between 97.07 and 100.19%. Moreover, this immunosensor had a simple fabrication
procedure and a long storage-stability.
Conclusion:
A new biosensor based on a Star shaped polymer for the ultra sensitive determination of a
biomarker Tumor necrosis factor-α was developed. The biosensor presented excellent repeatability and
reproducubility, and also wide calibration range for Tumor necrosis factor- α.
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Affiliation(s)
- Elif Burcu Aydin
- Scientific and Technological Research Center, Namik Kemal University, Tekirdag,Turkey
| | - Muhammet Aydin
- Scientific and Technological Research Center, Namik Kemal University, Tekirdag,Turkey
| | - Mustafa Kemal Sezgintürk
- Bioengineering Department, Faculty of Engineering, Canakkale Onsekiz Mart University, Canakkale,Turkey
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18
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Evtugyn G, Belyakova S, Porfireva A, Hianik T. Electrochemical Aptasensors Based on Hybrid Metal-Organic Frameworks. SENSORS 2020; 20:s20236963. [PMID: 33291498 PMCID: PMC7729924 DOI: 10.3390/s20236963] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/29/2020] [Accepted: 12/01/2020] [Indexed: 02/07/2023]
Abstract
Metal-organic frameworks (MOFs) offer a unique variety of properties and morphology of the structure that make it possible to extend the performance of existing and design new electrochemical biosensors. High porosity, variable size and morphology, compatibility with common components of electrochemical sensors, and easy combination with bioreceptors make MOFs very attractive for application in the assembly of electrochemical aptasensors. In this review, the progress in the synthesis and application of the MOFs in electrochemical aptasensors are considered with an emphasis on the role of the MOF materials in aptamer immobilization and signal generation. The literature information of the use of MOFs in electrochemical aptasensors is classified in accordance with the nature and role of MOFs and a signal mode. In conclusion, future trends in the application of MOFs in electrochemical aptasensors are briefly discussed.
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Affiliation(s)
- Gennady Evtugyn
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (S.B.); (A.P.)
- Analytical Chemistry Department of Chemical Technology Institute of Ural Federal University, 19 Mira Street, 620002 Ekaterinburg, Russia
- Correspondence: (G.E.); (T.H.); Tel.: +7-843-2337491 (G.E.); +421-2-6029-5683 (T.H.)
| | - Svetlana Belyakova
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (S.B.); (A.P.)
| | - Anna Porfireva
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (S.B.); (A.P.)
| | - Tibor Hianik
- Department of Nuclear Physics and Biophysics, Comenius University, Mlynska dolina F1, 842 48 Bratislava, Slovakia
- Correspondence: (G.E.); (T.H.); Tel.: +7-843-2337491 (G.E.); +421-2-6029-5683 (T.H.)
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19
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Poolakkandy RR, Menamparambath MM. Transition metal oxide based non‐enzymatic electrochemical sensors: An arising approach for the meticulous detection of neurotransmitter biomarkers. ELECTROCHEMICAL SCIENCE ADVANCES 2020. [DOI: 10.1002/elsa.202000024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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20
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Assaifan AK, Al Habis N, Ahmad I, Alshehri NA, Alharbi HF. Scaling-up medical technologies using flexographic printing. Talanta 2020; 219:121236. [PMID: 32887127 DOI: 10.1016/j.talanta.2020.121236] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/31/2020] [Accepted: 05/31/2020] [Indexed: 11/17/2022]
Abstract
Medical technologies, such as point-of-care devices and biological and chemical assays which rely on functional materials deposited on top of substrates, are in great demand due to an increase in the prevalence of diseases worldwide. A significant number of these medical technologies are still in their infancy with respect to commercialization because of the high cost, material and complexity of the conventionally available fabrication techniques. As a result, medical technologies, in broad terms, require low cost and mass production fabrication methods in order to overcome the commercialization challenges. Recently, researchers have explored the flexographic printing technique which is widely employed for food packaging and newspaper production. This technique has proved cost-effective, facile, rapid and industrially compatible fabrication technique of functional materials for various applications. In this review, we provide an account of the attempts of flexographic printing made to scale up functional materials on surfaces for biomedical applications. Firstly, we offer justification for demanding high-throughput fabrication techniques. We then present the facile working principle of the flexographic printing and its use in different medical applications, for example chronic disease monitoring devices, colorimetric sensors, electrochemical sensors, assays and drugs. Finally, we discuss challenges of the fabrication technique. The main purpose of this review is to give insights into the usefulness of flexographic printing to the health care industry.
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Affiliation(s)
| | - Nuha Al Habis
- Center of Excellence for Research in Engineering Materials, King Saud University, Riyadh, Saudi Arabia.
| | - Iftikhar Ahmad
- Center of Excellence for Research in Engineering Materials, King Saud University, Riyadh, Saudi Arabia
| | - Naif Ahmed Alshehri
- College of Science Physics Department at Albaha University, Albaha, Saudi Arabia
| | - Hamad F Alharbi
- Mechanical Engineering Department, King Saud University, Riyadh, Saudi Arabia; Center of Excellence for Research in Engineering Materials, King Saud University, Riyadh, Saudi Arabia
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21
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Real-Time Impedance Monitoring of Epithelial Cultures with Inkjet-Printed Interdigitated-Electrode Sensors. SENSORS 2020; 20:s20195711. [PMID: 33049961 PMCID: PMC7582757 DOI: 10.3390/s20195711] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/14/2022]
Abstract
From electronic devices to large-area electronics, from individual cells to skin substitutes, printing techniques are providing compelling applications in wide-ranging fields. Research has thus fueled the vision of a hybrid, printing platform to fabricate sensors/electronics and living engineered tissues simultaneously. Following this interest, we have fabricated interdigitated-electrode sensors (IDEs) by inkjet printing to monitor epithelial cell cultures. We have fabricated IDEs using flexible substrates with silver nanoparticles as a conductive element and SU-8 as the passivation layer. Our sensors are cytocompatible, have a topography that simulates microgrooves of 300 µm width and ~4 µm depth, and can be reused for cellular studies without detrimental in the electrical performance. To test the inkjet-printed sensors and demonstrate their potential use for monitoring laboratory-growth skin tissues, we have developed a real-time system and monitored label-free proliferation, migration, and detachment of keratinocytes by impedance spectroscopy. We have found that variations in the impedance correlate linearly to cell densities initially seeded and that the main component influencing the total impedance is the isolated effect of the cell membranes. Results obtained show that impedance can track cellular migration over the surface of the sensors, exhibiting a linear relationship with the standard method of image processing. Our results provide a useful approach for non-destructive in-situ monitoring of processes related to both in vitro epidermal models and wound healing with low-cost ink-jetted sensors. This type of flexible sensor as well as the impedance method are promising for the envisioned hybrid technology of 3D-bioprinted smart skin substitutes with built-in electronics.
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22
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Hatamvand R, Adeli M, Yari A. Synthesis of glycerol‐thiophene nanoparticles, a suitable sensing platform for voltammetric determination of guaifenesin. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20200446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Roshanak Hatamvand
- Department of Chemistry, Faculty of Science Lorestan University Khorramabad Iran
| | - Mohsen Adeli
- Department of Chemistry, Faculty of Science Lorestan University Khorramabad Iran
- Institut für Chemie und Biochemie Freie Universität Berlin Berlin Germany
| | - Abdollah Yari
- Department of Chemistry, Faculty of Science Lorestan University Khorramabad Iran
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23
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Nogueira Pedroza Dias Mello HJ, Bueno PR, Mulato M. Comparing glucose and urea enzymatic electrochemical and optical biosensors based on polyaniline thin films. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4199-4210. [PMID: 32789344 DOI: 10.1039/d0ay01018a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Analytical sensors that can detect chemical (including biological) analytes are becoming increasingly widespread within the field of analytical chemistry. More than this, in a world tending towards the 'internet-of-things', the miniaturization of such devices is becoming increasingly urgent. Accordingly, electrochemical methods that are simultaneously multiplexable and effective at a miniature scale are receiving much attention. In the present work, we compare the label-free electrochemical response of enzymatic biosensors with the response of their optical counterpart. As a proof-of-concept we compare the electrochemical impedimetric response and the first time described capacitive response of enzymatic biosensors to their optical reflectance response (measured in the visible region using a portable handset spectrophotometer). The target was the detection of glucose and urea. The chemical platform of the sensors was composed of enzymatically functionalized polyaniline thin films. Sensitivity, linearity, and the limit of detection were analyzed for both electrochemical and optical instrumental settings. We found that the impedimetric/capacitive electrochemical setup produced a response that was of a similar quality to the optical response (sensitivities of 10.7 ± 0.7, 7.4 ± 0.7 and 4.3 ± 0.2% per decade for impedimetric, capacitive and optical glucose biosensors, respectively) with a broader linear range (10-4 to 10-1 mol L-1 for both glucose and urea biosensors) and similar limit-of-detection in the range of 1 μmol L-1 within a relevant and practical diagnosis range for biomedical applications.
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Affiliation(s)
- Hugo José Nogueira Pedroza Dias Mello
- Department of Physics, Faculty of Philosophy, Sciences and Letters at Ribeirao Preto, University of Sao Paulo - USP, 14040-901, Ribeirao Preto, SP, Brazil.
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24
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Radi A, Eissa A, Wahdan T. Molecularly Imprinted Impedimetric Sensor for Determination of Mycotoxin Zearalenone. ELECTROANAL 2020; 32:1788-1794. [DOI: 10.1002/elan.201900528] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Affiliation(s)
- Abd‐Elgawad Radi
- Department of Chemistry, Faculty of ScienceDamietta University 34517 Damietta Egypt
| | - Alsayed Eissa
- Department of Chemistry, Faculty of ScienceDamietta University 34517 Damietta Egypt
| | - Tarek Wahdan
- Department of Chemistry, Faculty of ScienceEl-Arish University 45111 El-Arish Egypt
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25
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An Impedance Sensor in Detection of Immunoglobulin G with Interdigitated Electrodes on Flexible Substrate. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10114012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Immunoassay plays an important role in the early screening and diagnosis of diseases. The use of electrochemical methods to realize the label-free, specific and rapid detection of antigens has attracted extensive attention from researchers. In this study, we realized the function of immunosensing and detection by lithography, the interdigitated gold electrode on the polyethylene naphthalate (PEN) membrane. Then, the gold electrode was biofunctionalized and the characterization was verified by atomic force microscopy, which was finally for the detection of mice IgG. This immunosensor has a low detection limit, with a broad linear detection range of 0.01–10 ng/mL. The results show that the electrochemical impedance sensor made of metal electrodes based on PEN flexible materials is suitable for immunoassay experiments. If this method could be proved by further studies, broad application prospects can be seen in routine immunoassays.
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26
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Colachis M, Shqau K, Colachis S, Annetta N, Heintz AM. Soft mixed ionic–electronic conductive electrodes for noninvasive stimulation. J Appl Polym Sci 2020. [DOI: 10.1002/app.48998] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Matthew Colachis
- Department of Advanced Materials and MicrofabricationBattelle Memorial Institute Columbus Ohio
| | - Krenar Shqau
- Department of Advanced Materials and MicrofabricationBattelle Memorial Institute Columbus Ohio
| | - Samuel Colachis
- Department of Medical Devices and Health AnalyticsBattelle Memorial Institute Columbus Ohio
| | - Nicholas Annetta
- Department of Medical Devices and Health AnalyticsBattelle Memorial Institute Columbus Ohio
| | - Amy M. Heintz
- Department of Advanced Materials and MicrofabricationBattelle Memorial Institute Columbus Ohio
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27
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28
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Cascade catalysis-initiated radical polymerization amplified impedimetric immunosensor for ultrasensitive detection of carbohydrate antigen 15-3. Biosens Bioelectron 2019; 137:1-7. [DOI: 10.1016/j.bios.2019.04.049] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 03/13/2019] [Accepted: 04/24/2019] [Indexed: 12/30/2022]
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29
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Zhao L, Yin S, Ma Z. Ca 2+-Triggered pH-Response Sodium Alginate Hydrogel Precipitation for Amplified Sandwich-Type Impedimetric Immunosensor of Tumor Marker. ACS Sens 2019; 4:450-455. [PMID: 30638376 DOI: 10.1021/acssensors.8b01465] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Signal amplification is of great significance in the ultrasensitive electrochemical impedimetric immunoassays for tumor marker detection. A cascaded signal amplification approach was designed using gold nanoparticle-CaCO3 microspheres (AuNP-CaCO3) to trigger pH-responsive alginate hydrogel precipitation for sandwich-type impedimetric immunosensor. AuNP-CaCO3 exerts a large hindrance effect and can release Ca2+ ions under weak acidic conditions, and thus can serve as a multifunctional label. The hindrance effect of AuNP-CaCO3 can significantly enhance the impedance response as the initial signal amplification. Then, part of CaCO3 dissolves under weak acid conditions and releases Ca2+, which can cross-link with alginate to generate an insoluble alginate hydrogel precipitate on the sensing interface, significantly increasing the impedance signal. The impedance signal can be further amplified by making the hydrogel negatively charged based on the pH-responsive surface charge properties of the alginate hydrogel. Benefiting from the cascaded signal amplification, this impedimetric immunosensor exhibits a linear range from 1.0 fg mL-1 to 100 ng mL-1, an detection limit of 0.09 fg mL-1, and ultrahigh sensitivity of 973.01 Ω (lg(ng mL-1))-1 toward the assay of prostate specific antigen (PSA).
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Affiliation(s)
- Lihua Zhao
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Shuang Yin
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Zhanfang Ma
- Department of Chemistry, Capital Normal University, Beijing 100048, China
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30
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Chamjangali MA, Reskety AA, Goudarzi N, Bagherian G, Momeni AH. Construction and characterization of GCE/MWCNT/Au-NP as a new impedimetric and voltammetric sensor for determination of gemfibrozil in pharmaceutical and biological samples. Biomed Phys Eng Express 2019. [DOI: 10.1088/2057-1976/aaed06] [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]
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31
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Dailey J, Fichera M, Silbergeld E, Katz H. Impedance Spectroscopic Detection of Binding and Reactions in Acid-Labile Dielectric Polymers for Biosensor Applications. J Mater Chem B 2018; 6:2972-2981. [PMID: 30345059 PMCID: PMC6191049 DOI: 10.1039/c7tb03171h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We synthesized previously unreported copolymers with cleavable acid-labile side chains for use as electrochemical sensing layers in order to demonstrate a novel architecture for a one-step immunosensor. This one-step system is in contrast to most antigen-capture signal amplification methods that involve complicated secondary labeling techniques, or require the addition of redox probes to achieve a sensing response. A series of novel copolymers composed of various trityl-containing monomers were synthesized and characterized to determine their dielectric properties. Results indicate that the thin films of these polymers are stable in water, but some begin to degrade under acidic conditions or upon antigen binding, causing observable changes in the phase angle.
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Affiliation(s)
- Jennifer Dailey
- Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University
| | - Michelangelo Fichera
- Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University
| | - Ellen Silbergeld
- Department of Environmental Engineering, School of Public Health, Johns Hopkins University
| | - Howard Katz
- Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University
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32
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Levin MB, Khripoun GA, Korneev SM, Mikhelson KN. Water Hardness Electrodes with Ionophores Containing Oxy- and Ester-Groups. RUSS J ELECTROCHEM+ 2018. [DOI: 10.1134/s1023193518040055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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33
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Rajpurohit AS, Punde NS, Rawool CR, Srivastava AK. Application of Carbon Paste Electrode Modified with Carbon Nanofibres/Polyaniline/Platinum Nanoparticles as an Electrochemical Sensor for the Determination of Bezafibrate. ELECTROANAL 2018. [DOI: 10.1002/elan.201700781] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Anuja S. Rajpurohit
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East); Mumbai - 400 098 India
| | - Ninad S. Punde
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East); Mumbai - 400 098 India
| | - Chaitali R. Rawool
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East); Mumbai - 400 098 India
| | - Ashwini K. Srivastava
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East); Mumbai - 400 098 India
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Kondratyeva YO, Solovyeva EV, Khripoun GA, Mikhelson KN. Non-constancy of the bulk resistance of ionophore-based ion-selective electrode: A result of electrolyte co-extraction or of something else? Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2017.10.176] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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35
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Kilic T, Erdem A, Ozsoz M, Carrara S. microRNA biosensors: Opportunities and challenges among conventional and commercially available techniques. Biosens Bioelectron 2018; 99:525-546. [DOI: 10.1016/j.bios.2017.08.007] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 08/01/2017] [Accepted: 08/04/2017] [Indexed: 12/19/2022]
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36
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Muñoz J, Montes R, Baeza M. Trends in electrochemical impedance spectroscopy involving nanocomposite transducers: Characterization, architecture surface and bio-sensing. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.08.012] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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37
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Carbon nanotube ensembled hybrid nanocomposite electrode for direct electrochemical detection of epinephrine in pharmaceutical tablets and urine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017. [DOI: 10.1016/j.msec.2017.05.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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38
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Detection principles of biological and chemical FET sensors. Biosens Bioelectron 2017; 98:437-448. [PMID: 28711826 DOI: 10.1016/j.bios.2017.07.010] [Citation(s) in RCA: 209] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/21/2017] [Accepted: 07/04/2017] [Indexed: 01/08/2023]
Abstract
The seminal importance of detecting ions and molecules for point-of-care tests has driven the search for more sensitive, specific, and robust sensors. Electronic detection holds promise for future miniaturized in-situ applications and can be integrated into existing electronic manufacturing processes and technology. The resulting small devices will be inherently well suited for multiplexed and parallel detection. In this review, different field-effect transistor (FET) structures and detection principles are discussed, including label-free and indirect detection mechanisms. The fundamental detection principle governing every potentiometric sensor is introduced, and different state-of-the-art FET sensor structures are reviewed. This is followed by an analysis of electrolyte interfaces and their influence on sensor operation. Finally, the fundamentals of different detection mechanisms are reviewed and some detection schemes are discussed. In the conclusion, current commercial efforts are briefly considered.
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Mehta J, Bhardwaj N, Bhardwaj SK, Tuteja SK, Vinayak P, Paul A, Kim KH, Deep A. Graphene quantum dot modified screen printed immunosensor for the determination of parathion. Anal Biochem 2017; 523:1-9. [DOI: 10.1016/j.ab.2017.01.026] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 01/26/2017] [Accepted: 01/31/2017] [Indexed: 11/30/2022]
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40
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Tian H, Sofer Z, Pumera M, Bonanni A. Investigation on the ability of heteroatom-doped graphene for biorecognition. NANOSCALE 2017; 9:3530-3536. [PMID: 28244518 DOI: 10.1039/c6nr09313b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Doped graphene platforms have been attracting considerable attention due to their improved electrochemical performances. Recent studies have shown the advantage of using either p-type or n-type doped graphene materials as transducers for the detection of various electroactive probes. Here we wanted to take a step forward and extend the study to investigate the ability of heteroatom doped graphene as an electrochemical platform for biorecognition. To this aim, a boron-doped graphene, a nitrogen-doped graphene and an undoped graphene material prepared under similar conditions were employed for the detection of fumonisin B1, a highly carcinogenic mycotoxin found in food commodities. We found that the material structural features, such as the amount of oxygen functionalities, had a stronger influence on the sensitivity of biorecognition rather than the kind and amount of dopant. Our findings may be essential for the choice of a proper platform for the assessment of food safety.
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Affiliation(s)
- Huidi Tian
- Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
| | - Zdenek Sofer
- Department of Inorganic Chemistry, Institute of Chemical Technology, 166 28 Prague 6, Czech Republic
| | - Martin Pumera
- Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
| | - Alessandra Bonanni
- Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
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41
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Pathania P, Sharma A, Kumar B, Rishi P, Raman Suri C. Selective identification of specific aptamers for the detection of non-typhoidal salmonellosis in an apta-impedimetric sensing format. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2098-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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42
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Pereira TC, Delfino JR, Ferreira AAP, Barros FJS, Marques EP, Zhang J, Marques ALB. Stainless Steel Electrodes to Determine Biodiesel Content in Petroleum Diesel Fuel by Electrochemical Impedance Spectroscopy. ELECTROANAL 2016. [DOI: 10.1002/elan.201600504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Thulio César Pereira
- Department of Chemical Technology; LPQA/LAPQAP, Federal University of Maranhão (UFMA); São Luís, MA Brazil
| | - José R. Delfino
- Department of Chemical Technology; LPQA/LAPQAP, Federal University of Maranhão (UFMA); São Luís, MA Brazil
| | - Antônio A. P. Ferreira
- Institute of Chemistry; São Paulo State University Julio de Mesquita Filho; Araraquara, SP Brazil
| | - Fernando José S. Barros
- Department of Chemical Technology; LPQA/LAPQAP, Federal University of Maranhão (UFMA); São Luís, MA Brazil
| | - Edmar P. Marques
- Department of Chemical Technology; LPQA/LAPQAP, Federal University of Maranhão (UFMA); São Luís, MA Brazil
| | - Jiujun Zhang
- Department of Chemical Technology; LPQA/LAPQAP, Federal University of Maranhão (UFMA); São Luís, MA Brazil
| | - Aldaléa L. B. Marques
- Department of Chemical Technology; LPQA/LAPQAP, Federal University of Maranhão (UFMA); São Luís, MA Brazil
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43
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Manjakkal L, Cvejin K, Kulawik J, Zaraska K, Socha RP, Szwagierczak D. X-ray photoelectron spectroscopic and electrochemical impedance spectroscopic analysis of RuO2-Ta2O5 thick film pH sensors. Anal Chim Acta 2016; 931:47-56. [DOI: 10.1016/j.aca.2016.05.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 04/12/2016] [Accepted: 05/11/2016] [Indexed: 11/25/2022]
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44
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Giner-Sanz J, Ortega E, Pérez-Herranz V. Application of a Montecarlo based quantitative Kramers-Kronig test for linearity assessment of EIS measurements. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.04.131] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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45
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Alam MT, Chan EWL, De Marco R, Huang Y, Bailey S. Electrochemical and Surface Analysis Studies on the Carbon Dioxide Corrosion of X‐65 Carbon Steel. ELECTROANAL 2016. [DOI: 10.1002/elan.201600309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Muhammad Tanzirul Alam
- Faculty of Science, Health, Education and Engineering University of the Sunshine Coast B1.59, 90 Sippy Downs Drive Queensland- 4556 Australia
| | - Emilyn Wai Lyn Chan
- Department of Chemistry Curtin University GPO Box U1987 Perth, Western Australia 6109 Australia
| | - Roland De Marco
- Faculty of Science, Health, Education and Engineering University of the Sunshine Coast B1.59, 90 Sippy Downs Drive Queensland- 4556 Australia
- Department of Chemistry Curtin University GPO Box U1987 Perth, Western Australia 6109 Australia
- School of Chemistry and Molecular Biosciences The University of Queensland Brisbane, Queensland 4072 Australia
| | - Yanliang Huang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 P. R. China
| | - Stuart Bailey
- Department of Chemistry Curtin University GPO Box U1987 Perth, Western Australia 6109 Australia
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A sensitive electrochemical impedance immunosensor for determination of malachite green and leucomalachite green in the aqueous environment. Anal Bioanal Chem 2016; 408:5593-600. [PMID: 27277811 DOI: 10.1007/s00216-016-9660-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 05/17/2016] [Accepted: 05/19/2016] [Indexed: 01/27/2023]
Abstract
Application of malachite green (MG) and leucomalachite green (LMG) in fish farm water causes an environmental problem. This study proposes for the first time a sensitive and convenient electrochemical impedance spectroscopy (EIS) method for determining MG and LMG by a bovine serum albumin-decorated gold nanocluster (BSA-AuNC)/antibody composite film-based immunosensor. In order to improve the analytical performance, the glassy carbon electrode (GCE) was modified with 1, 4-phenylenediamine to form a stable layer, and then, BSA-AuNCs were covalently bound to the GCE. An adequate quantity of the polyclonal antibody of LMG was immobilized onto the surface of the BSA-AuNCs by the chemical reaction of EDC/NHS. The sensors can respond to the specific target based on specific covalent bonding. The experimental parameters, such as the pH, incubating concentration, and time, have been investigated and optimized. The calibration curve for LMG was linear in the range of 0.1~10.0 ng/mL with the limit of detection (LOD) 0.03 ng/mL. Furthermore, the sum of MG and LMG was detected in fish farm water by MG reduction. The recovery was between 89.7 % and 99.2 % in spiked samples. The EC sensor method was also compared with the ELISA method and validated by the LC-MS/MS method, which proves its great promise as a field instrument for the rapid monitoring of MG and LMG pollution. Graphical abstract 1, 4-Phenylenediamine and BSA-AuNC/antibody-decorated glassy carbon electrodes have been used for the impedimetric detection of the sum of malachite green and leucomalachite green via specific immuno-binding.
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Alam MT, Wai Lyn Chan E, De Marco R, Huang Y, Bailey S. Understanding Complex Electrochemical Impedance Spectroscopy in Corrosion Systems Using
in‐situ
Synchrotron Radiation Grazing Incidence X‐ray Diffraction. ELECTROANAL 2016. [DOI: 10.1002/elan.201600137] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Muhammad Tanzirul Alam
- Faculty of Science, Health, Education and Engineering University of the Sunshine Coast, B1.59 90 Sippy Downs Drive Queensland- 4556 Australia
| | - Emilyn Wai Lyn Chan
- Department of Chemistry Curtin University GPO Box U1987 Perth Western Australia 6109 Australia
| | - Roland De Marco
- Faculty of Science, Health, Education and Engineering University of the Sunshine Coast, B1.59 90 Sippy Downs Drive Queensland- 4556 Australia
- Department of Chemistry Curtin University GPO Box U1987 Perth Western Australia 6109 Australia
- School of Chemistry and Molecular Biosciences The University of Queensland Brisbane, Queensland 4072 Australia
| | - Yanliang Huang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 P.R. China
| | - Stuart Bailey
- Department of Chemistry Curtin University GPO Box U1987 Perth Western Australia 6109 Australia
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Liu Y, Ma H, Gao J, Wu D, Ren X, Yan T, Pang X, Wei Q. Ultrasensitive electrochemical immunosensor for SCCA detection based on ternary Pt/PdCu nanocube anchored on three-dimensional graphene framework for signal amplification. Biosens Bioelectron 2016; 79:71-8. [DOI: 10.1016/j.bios.2015.12.013] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 11/26/2015] [Accepted: 12/07/2015] [Indexed: 01/20/2023]
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49
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Han L, Liu P, Petrenko VA, Liu A. A Label-Free Electrochemical Impedance Cytosensor Based on Specific Peptide-Fused Phage Selected from Landscape Phage Library. Sci Rep 2016; 6:22199. [PMID: 26908277 PMCID: PMC4764921 DOI: 10.1038/srep22199] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 02/09/2016] [Indexed: 11/09/2022] Open
Abstract
One of the major challenges in the design of biosensors for cancer diagnosis is to introduce a low-cost and selective probe that can recognize cancer cells. In this paper, we combined the phage display technology and electrochemical impedance spectroscopy (EIS) to develop a label-free cytosensor for the detection of cancer cells, without complicated purification of recognition elements. Fabrication steps of the cytosensing interface were monitored by EIS. Due to the high specificity of the displayed octapeptides and avidity effect of their multicopy display on the phage scaffold, good biocompatibility of recombinant phage, the fibrous nanostructure of phage, and the inherent merits of EIS technology, the proposed cytosensor demonstrated a wide linear range (2.0 × 10(2) - 2.0 × 10(8) cells mL(-1)), a low limit of detection (79 cells mL(-1), S/N = 3), high specificity, good inter-and intra-assay reproducibility and satisfactory storage stability. This novel cytosensor designing strategy will open a new prospect for rapid and label-free electrochemical platform for tumor diagnosis.
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Affiliation(s)
- Lei Han
- Institute for Biosensing &In-Vitro Diagnostics, and College of Medicine, Qingdao University, 38 Dengzhou Road, Qingdao 266021, China.,Laboratory for Biosensing, Qingdao Institute of Bioenergy &Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao, 266101, China
| | - Pei Liu
- Laboratory for Biosensing, Qingdao Institute of Bioenergy &Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao, 266101, China
| | - Valery A Petrenko
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, 269 Greene Hall, Auburn, Alabama 36849-5519, United States
| | - Aihua Liu
- Institute for Biosensing &In-Vitro Diagnostics, and College of Medicine, Qingdao University, 38 Dengzhou Road, Qingdao 266021, China.,Laboratory for Biosensing, Qingdao Institute of Bioenergy &Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao, 266101, China
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50
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Total harmonic distortion based method for linearity assessment in electrochemical systems in the context of EIS. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.10.152] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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