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Saldanha DJ, Cai A, Dorval Courchesne NM. The Evolving Role of Proteins in Wearable Sweat Biosensors. ACS Biomater Sci Eng 2023; 9:2020-2047. [PMID: 34491052 DOI: 10.1021/acsbiomaterials.1c00699] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Sweat is an increasingly popular biological medium for fitness monitoring and clinical diagnostics. It contains an abundance of biological information and is available continuously and noninvasively. Sweat-sensing devices often employ proteins in various capacities to create skin-friendly matrices that accurately extract valuable and time-sensitive information from sweat. Proteins were first used in sensors as biorecognition elements in the form of enzymes and antibodies, which are now being tuned to operate at ranges relevant for sweat. In addition, a range of structural proteins, sometimes assembled in conjunction with polymers, can provide flexible and compatible matrices for skin sensors. Other proteins also naturally possess a range of functionalities─as adhesives, charge conductors, fluorescence emitters, and power generators─that can make them useful components in wearable devices. Here, we examine the four main components of wearable sweat sensors─the biorecognition element, the transducer, the scaffold, and the adhesive─and the roles that proteins have played so far, or promise to play in the future, in each component. On a case-by-case basis, we analyze the performance characteristics of existing protein-based devices, their applicable ranges of detection, their transduction mechanism and their mechanical properties. Thereby, we review and compare proteins that can readily be used in sweat sensors and others that will require further efforts to overcome design, stability or scalability challenges. Incorporating proteins in one or multiple components of sweat sensors could lead to the development and deployment of tunable, greener, and safer biosourced devices.
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Affiliation(s)
- Dalia Jane Saldanha
- Department of Chemical Engineering, McGill University, Montréal, Québec, Canada H3A 0C5
| | - Anqi Cai
- Department of Chemical Engineering, McGill University, Montréal, Québec, Canada H3A 0C5
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2
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Lan Z, Wang Y, Hu K, Shi S, Meng Q, Sun Q, Shen X. Anti-swellable cellulose hydrogel for underwater sensing. Carbohydr Polym 2023; 306:120541. [PMID: 36746563 DOI: 10.1016/j.carbpol.2023.120541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/09/2023]
Abstract
Underwater sensing is of great significance in ocean exploration by divers to monitor their movements and keep in touch with the shore. However, unique sensors are required to apply in the marine environment that is quite different from the land circumstance. Herein, we reported a cellulose-skeleton-based composite hydrogel that is constraint to expand underwater under the effect of hydrogen bonds (H-bonds) and features advantages of high swelling resistance, structural durability, mechanical robustness, medium flexibility, high gauge factor (2.33) and long-term stability in water as a highly efficient wearable underwater sensor. This cellulose-based anti-swellable underwater hydrogel sensor showed tremendous potentials in underwater sensing applications for posture monitoring, communication, and marine biological research, etc.
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Affiliation(s)
- Zhuyue Lan
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China
| | - Yuanyuan Wang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China
| | - Ke Hu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China
| | - Shitao Shi
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China
| | - Qingyu Meng
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China
| | - Qingfeng Sun
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China.
| | - Xiaoping Shen
- College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300, China.
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3
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Screen-printed electrochemical sensors for environmental monitoring of heavy metal ion detection. REV CHEM ENG 2022. [DOI: 10.1515/revce-2022-0002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Heavy metal ions (HMIs) are known to cause severe damages to the human body and ecological environment. And considering the current alarming situation, it is crucial to develop a rapid, sensitive, robust, economical and convenient method for their detection. Screen printed electrochemical technology contributes greatly to this task, and has achieved global attention. It enabled the mass transmission rate and demonstrated ability to control the chemical nature of the measure media. Besides, the technique offers advantages like linear output, quick response, high selectivity, sensitivity and stability along with low power requirement and high signal-to-noise ratio. Recently, the performance of SPEs has been improved employing the most effective and promising method of the incorporation of different nanomaterials into SPEs. Especially, in electrochemical sensors, the incorporation of nanomaterials has gained extensive attention for HMIs detection as it exhibits outstanding features like broad electrochemical window, large surface area, high conductivity, selectivity and stability. The present review focuses on the recent progress in the field of screen-printed electrochemical sensors for HMIs detection using nanomaterials. Different fabrication methods of SPEs and their utilization for real sample analysis of HMIs using various nanomaterials have been extensively discussed. Additionally, advancement made in this field is also discussed taking help of the recent literature.
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Hajzus JR, Shriver-Lake LC, Dean SN, Erickson JS, Zabetakis D, Golden J, Pennachio DJ, Myers-Ward RL, Trammell SA. Modifications of Epitaxial Graphene on SiC for the Electrochemical Detection and Identification of Heavy Metal Salts in Seawater. SENSORS (BASEL, SWITZERLAND) 2022; 22:5367. [PMID: 35891050 PMCID: PMC9315748 DOI: 10.3390/s22145367] [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: 06/24/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
The electrochemical detection of heavy metal ions is reported using an inexpensive portable in-house built potentiostat and epitaxial graphene. Monolayer, hydrogen-intercalated quasi-freestanding bilayer, and multilayer epitaxial graphene were each tested as working electrodes before and after modification with an oxygen plasma etch to introduce oxygen chemical groups to the surface. The graphene samples were characterized using X-ray photoelectron spectroscopy, atomic force microscopy, Raman spectroscopy, and van der Pauw Hall measurements. Dose-response curves in seawater were evaluated with added trace levels of four heavy metal salts (CdCl2, CuSO4, HgCl2, and PbCl2), along with detection algorithms based on machine learning and library development for each form of graphene and its oxygen plasma modification. Oxygen plasma-modified, hydrogen-intercalated quasi-freestanding bilayer epitaxial graphene was found to perform best for correctly identifying heavy metals in seawater.
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Affiliation(s)
- Jenifer R. Hajzus
- American Society for Engineering Education, U.S. Naval Research Laboratory, Washington, DC 20375, USA;
| | - Lisa C. Shriver-Lake
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
| | - Scott N. Dean
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
| | - Jeffrey S. Erickson
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
| | - Daniel Zabetakis
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
| | - Joel Golden
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
| | - Daniel J. Pennachio
- National Research Council, U.S. Naval Research Laboratory, Washington, DC 20375, USA;
| | - Rachael L. Myers-Ward
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
| | - Scott A. Trammell
- U.S. Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA; (L.C.S.-L.); (S.N.D.); (J.S.E.); (D.Z.); (J.G.); (R.L.M.-W.)
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Du K, Lin R, Yin L, Ho JS, Wang J, Lim CT. Electronic textiles for energy, sensing, and communication. iScience 2022; 25:104174. [PMID: 35479405 PMCID: PMC9035708 DOI: 10.1016/j.isci.2022.104174] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Sinha A, Dhanjai, Stavrakis AK, Stojanović GM. Textile-based electrochemical sensors and their applications. Talanta 2022; 244:123425. [PMID: 35397323 DOI: 10.1016/j.talanta.2022.123425] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/13/2022] [Accepted: 03/29/2022] [Indexed: 10/18/2022]
Abstract
Textile and their composite-based functional sensors are extensively acknowledged and preferred detection platforms in recent times. Developing suitable methodologies for fabricating textile sensors can be achieved either by integration of conductive fibers and yarns into textiles using technologies such as weaving, knitting and embroidery; or by functionalization of textile materials with conductive nanomaterials/inks using printing or coating methods. Textile materials are gaining enormous attention for fabricating soft lab-on-fabric devices due to their unique features such as high flexibility, wear and wash resistance, mechanical strength and promising sensing performances. Owing to these collective properties, textile-based electrochemical transducers are now showcasing rapid and accurate electrical measurements towards real time point-of-care diagnostics and environmental monitoring applications. The present review provides a brief overview of key progress made in the field of developing textile materials and their composites-based electrochemical sensors and biosensors in recent years where electrode configurations are specifically based on either natural or synthetic fabrics. Different ways to fabricate and functionalize textiles for their application in electrochemical analysis are briefly discussed. The review ends with a conclusive note focusing on the current challenges in the fabrication of textile-based stable electrochemical sensors and biosensors.
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Affiliation(s)
- Ankita Sinha
- University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia.
| | - Dhanjai
- BioSense Institute, Dr Zorana Đinđića 1, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Adrian K Stavrakis
- University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia
| | - Goran M Stojanović
- University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia
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8
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Mahmoudpour M, Saadati A, Hasanzadeh M, Kholafazad-Kordasht H. A stretchable glove sensor toward rapid monitoring of trifluralin: A new platform for the on-site recognition of herbicides based on wearable flexible sensor technology using lab-on-glove. J Mol Recognit 2021; 34:e2923. [PMID: 34131991 DOI: 10.1002/jmr.2923] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 05/15/2021] [Accepted: 06/04/2021] [Indexed: 01/01/2023]
Abstract
In this study, a flexible glove-based electrochemical sensor as a wearable point-of-use screening tool has been fabricated for defense and food security applications. To design the wearable glove-based sensor, we drew conductive patterns on the fingers of a rubber glove via gold@silver-modified graphene quantum dots (Au@Ag core-shell/graphene quantum dots [GQDs]) nano-ink with optimal thickness. Then, this platform is combined with a portable electrochemical analyzer for on-site detection of trifluralin pesticide in the range of 10 nM to 1 mM with the low limit of quantification (LLOQ) of 10 nM. The high efficiency and distinction of the trifluralin at specified concentrations in real leaf and apple samples were performed by simply touching with the glove and in spikes solution by immersing of fingertips. With their high sensitivity, selectivity, rapid, and easy operation pesticide analysis, these glove-embedded sensors can also be engaged in on-site monitor of other chemical threats and can be expanded to water and environmental samples.
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Affiliation(s)
- Mansour Mahmoudpour
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Arezoo Saadati
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hasanzadeh
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Prasertying P, Jantawong N, Sonsa-Ard T, Wongpakdee T, Khoonrueng N, Buking S, Nacapricha D. Gold leaf electrochemical sensors: applications and nanostructure modification. Analyst 2021; 146:1579-1589. [PMID: 33599651 DOI: 10.1039/d0an02455d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This work presents the first planar three-electrode electrochemical sensor comprising local gold leaf as the working electrode and printed, or hand-drawn, counter and reference electrodes, respectively. The gold leaf was mounted on a polyvinyl chloride (PVC) adhesive sheet (15 mm × 30 mm) and covered with a second PVC sheet printed with the counter and reference electrodes. This sheet has a 3 mm circle and a 2 mm × 3 mm rectangle removed to expose the gold electrode area and electrical contacts, respectively. A third shorter insulating layer with a 10 mm circular hole was placed on top to delineate the sensing area of all electrodes. The sensor displayed expected performances in various modes of operation, such as cyclic voltammetry, square wave voltammetry and anodic stripping voltammetry. For the latter mode, the limit of detection of Pb(ii) was 3.2 μg L-1, compliant with regulation for drinking water (10 μg L-1 Pb(ii)). Although designed as a disposable unit, the electrode is effective for up to 200 cycles and applicable for multiple use. The gold leaf was modified by electrodeposition of the gold network and large nano-size gold particles which significantly enhanced the sensitivity of all voltametric sensing, giving lower limits of detection. For stripping voltammetry, the electroplating structure modification improved the simultaneous detection of lead and copper, with the copper response increasing 6-fold. The device has the capability of on-site identification of copper/lead bullets from gunshot residues within 6 min.
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Affiliation(s)
- Paithoon Prasertying
- Flow Innovation-Research for Science and Technology Laboratories (Firstlabs), Thailand. and Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400 Thailand and Center of Excellence on Agricultural Biotechnology (AG-BIO/PERDO-CHE), Bangkok, 10900 Thailand
| | - Nanthatchaphon Jantawong
- Flow Innovation-Research for Science and Technology Laboratories (Firstlabs), Thailand. and Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400 Thailand
| | - Thitaporn Sonsa-Ard
- Flow Innovation-Research for Science and Technology Laboratories (Firstlabs), Thailand. and Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400 Thailand
| | - Thinnapong Wongpakdee
- Flow Innovation-Research for Science and Technology Laboratories (Firstlabs), Thailand. and Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400 Thailand
| | - Nuttamon Khoonrueng
- Flow Innovation-Research for Science and Technology Laboratories (Firstlabs), Thailand. and Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400 Thailand
| | - Supatana Buking
- Office of Police Forensic Science, Royal Thai Police, Bangkok, 10330 Thailand
| | - Duangjai Nacapricha
- Flow Innovation-Research for Science and Technology Laboratories (Firstlabs), Thailand. and Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400 Thailand
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Jiang Y, Shen L, Ma J, Ma H, Su Y, Zhu N. Wearable Porous Au Smartsensors for On-Site Detection of Multiple Metal Ions. Anal Chem 2021; 93:2603-2609. [DOI: 10.1021/acs.analchem.0c04701] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yu Jiang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Liuxue Shen
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Junlin Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Hongting Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Yan Su
- School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Nan Zhu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
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Jiang Y, Cui S, Xia T, Sun T, Tan H, Yu F, Su Y, Wu S, Wang D, Zhu N. Real-Time Monitoring of Heavy Metals in Healthcare via Twistable and Washable Smartsensors. Anal Chem 2020; 92:14536-14541. [PMID: 33073993 DOI: 10.1021/acs.analchem.0c02723] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The wearable and integrated sensing platform is a promising choice for developing real-time analytic electronics with clear advantages but still poses challenges, such as the realization of high precision, low limit of detection (LOD), moderate mechanical capacity, integration, and miniaturization. In this work, a simple printed wearable smartsensor has been fabricated with the aid of electrochemical plating methods with bismuth (Bi) films. The excellent sensing behaviors, including linear relationship, selectivity, stability, repeatability, and the LOD at ppb levels, have been obtained by this smartsensor. Additionally, the highly flexible textile-based sensor exhibits potential application on the substrates of daily cloth, sports T-shirt, and sports wristbands, and it maintains good stability under repeated deformations of washing and twisting. Importantly, integrated with printed circuit board, single chip micyoco, and Bluetooth modules, a smartsensing platform is successfully acquired for real-time detection of heavy metals (e.g., Zn, Cd, Pb, etc.). Finally, actual samples of human sweat, seawater, cosmetics, and drinking water have been remotely successfully demonstrated for detection by this smartsensor, enabling a great promise for fast on-site screening of samples in practical application.
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Affiliation(s)
- Yu Jiang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Shengjun Cui
- Key Laboratory of Intelligent Control and Optimization for Industrial Equipment, Ministry of Education, School of Control Science and Engineering, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Tong Xia
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Tongrui Sun
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Haixin Tan
- Key Laboratory of Intelligent Control and Optimization for Industrial Equipment, Ministry of Education, School of Control Science and Engineering, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Fei Yu
- Key Laboratory of Intelligent Control and Optimization for Industrial Equipment, Ministry of Education, School of Control Science and Engineering, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Yan Su
- School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Suli Wu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Dejun Wang
- Key Laboratory of Intelligent Control and Optimization for Industrial Equipment, Ministry of Education, School of Control Science and Engineering, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Nan Zhu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
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Multilayer Epitaxial Graphene on Silicon Carbide: A Stable Working Electrode for Seawater Samples Spiked with Environmental Contaminants. SENSORS 2020; 20:s20144006. [PMID: 32708477 PMCID: PMC7412216 DOI: 10.3390/s20144006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 01/04/2023]
Abstract
The electrochemical response of multilayer epitaxial graphene electrodes on silicon carbide substrates was studied for use as an electrochemical sensor for seawater samples spiked with environmental contaminants using cyclic square wave voltammetry. Results indicate that these graphene working electrodes are more robust and have lower background current than either screen-printed carbon or edge-plane graphite in seawater. Identification algorithms developed using machine learning techniques are described for several heavy metals, herbicides, pesticides, and industrial compounds. Dose-response curves provide a basis for quantitative analysis.
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Barragan JT, Kubota LT. Minipotentiostat controlled by smartphone on a micropipette: A versatile, portable, agile and accurate tool for electroanalysis. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136048] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Luo XD, Xue CH, Wei RX, Wang WH, Du MM, Huang MC, Li HG. Fabrication of mechanically resistant superhydrophobic synthetic suede materials. RSC Adv 2020; 10:10758-10763. [PMID: 35492934 PMCID: PMC9050384 DOI: 10.1039/c9ra10708h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/09/2020] [Indexed: 11/23/2022] Open
Abstract
Functionalization of synthetic suede materials with excellent superhydrophobicity can expand their application ranges. Superhydrophobic synthetic suede was obtained by coating with polydimethylsiloxane (PDMS) and octadecyltrichlorosilane (OTS). Utilizing the synthetic suede effect of the fibrous rough structures in combination with the low surface energy micro-nano rough structure on fibers resulting from PDMS and OTS, the surface was easily turned superhydrophobic with self-cleaning properties. Abrasion tests showed that the superhydrophobic synthetic suede has excellent superhydrophobic performance after more than 2000 severe abrasion tests. This research provides a facile strategy for the preparation of practical superhydrophobic synthetic suede materials.
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Affiliation(s)
- Xiang-Dong Luo
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
- College of Design and Art, Shaanxi University of Science and Technology Xi'an 710021 China
| | - Chao-Hua Xue
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
- National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology Xi'an 710021 China
| | - Ren-Xuan Wei
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
| | - Wei-Hao Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
| | - Mi-Mi Du
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
| | - Meng-Chen Huang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
| | - Hui-Gui Li
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology Xi'an 710021 China
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Yang X, Cheng H. Recent Developments of Flexible and Stretchable Electrochemical Biosensors. MICROMACHINES 2020; 11:E243. [PMID: 32111023 PMCID: PMC7143805 DOI: 10.3390/mi11030243] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/20/2020] [Accepted: 02/24/2020] [Indexed: 12/14/2022]
Abstract
The skyrocketing popularity of health monitoring has spurred increasing interest in wearable electrochemical biosensors. Compared with the traditionally rigid and bulky electrochemical biosensors, flexible and stretchable devices render a unique capability to conform to the complex, hierarchically textured surfaces of the human body. With a recognition element (e.g., enzymes, antibodies, nucleic acids, ions) to selectively react with the target analyte, wearable electrochemical biosensors can convert the types and concentrations of chemical changes in the body into electrical signals for easy readout. Initial exploration of wearable electrochemical biosensors integrates electrodes on textile and flexible thin-film substrate materials. A stretchable property is needed for the thin-film device to form an intimate contact with the textured skin surface and to deform with various natural skin motions. Thus, stretchable materials and structures have been exploited to ensure the effective function of a wearable electrochemical biosensor. In this mini-review, we summarize the recent development of flexible and stretchable electrochemical biosensors, including their principles, representative application scenarios (e.g., saliva, tear, sweat, and interstitial fluid), and materials and structures. While great strides have been made in the wearable electrochemical biosensors, challenges still exist, which represents a small fraction of opportunities for the future development of this burgeoning field.
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Affiliation(s)
- Xudong Yang
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China;
- Department of Automotive Engineering, Beihang University, Beijing 100191, China
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Huanyu Cheng
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), Chongqing University, Chongqing 400044, China;
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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Farajikhah S, Innis PC, Paull B, Wallace GG, Harris AR. Facile Development of a Fiber-Based Electrode for Highly Selective and Sensitive Detection of Dopamine. ACS Sens 2019; 4:2599-2604. [PMID: 31564101 DOI: 10.1021/acssensors.9b01583] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A facile one-step method was used to create a selective and sensitive electrode for dopamine (DA) detection based upon a stainless steel (SS) filament substrate and reduced graphene oxide (rGO). The electrode successfully and selectively detects DA in the presence of uric acid and ascorbic acid without the need for a Nafion coating. The proposed electrode is easy to fabricate, low-cost, flexible, and strong. The rGO-SS electrode could also be incorporated into a three-dimensional braided structure enabling DA detection in a two-electrode fiber system. The sensor is an excellent candidate for production of an affordable, robust, and flexible wearable and portable sensor and expands the application of textiles in point of care diagnostic devices.
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Affiliation(s)
- Syamak Farajikhah
- Institute of Photonics and Optical Sciences (IPOS), School of Physics, The University of Sydney, Sydney, New South Wales, 2006, Australia
| | | | - Brett Paull
- Australian Centre for Research on Separation Science (ACROSS) and ARC Centre of Excellence for Electromaterials Science (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania, 7005, Australia
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17
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Shimada K, Ikeda R, Kikura H, Takahashi H. Development of a Magnetic Compound Fluid Rubber Stability Sensor and a Novel Production Technique via Combination of Natural, Chloroprene and Silicone Rubbers. SENSORS 2019; 19:s19183901. [PMID: 31510044 PMCID: PMC6767218 DOI: 10.3390/s19183901] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/03/2019] [Accepted: 09/06/2019] [Indexed: 11/17/2022]
Abstract
Expanding on our previous report, we investigate the stability of a magnetic compound fluid (MCF) rubber sensor that was developed for a variety of engineering applications. To stabilize this sensor, we proposed a novel combination technique that facilitates the addition of dimethylpolysiloxane (PDMS) to natural rubber (NR)-latex or chloroprene rubber (CR)-latex using polyvinyl alcohol (PVA) by experimentally and theoretically investigating issues related to instability. This technique is one of several other novel combinations of diene and non-diene rubbers. Silicone oil or rubber with PDMS can be combined with NR-latex and CR-latex because of PVA’s emulsion polymerization behavior. In addition, owing to electrolytic polymerization based on the combination of PDMS and PVA, MCF rubber is highly porous and can be infiltrated in any liquid. Hence, the fabrication of novel intelligent rubbers using any intelligent fluid is feasible. By assembling infiltrated MCF rubber sheets and by conducting electrolytic polymerization of MCF rubber liquid with a hydrate using the adhesive technique as presented in a previous paper, it is possible to stabilize the MCF rubber sensor. This sensor is resistant to cold or hot water as well as γ-irradiation as shown in the previous report.
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Affiliation(s)
- Kunio Shimada
- Faculty of Symbiotic Systems Sciences, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan.
| | - Ryo Ikeda
- Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.
| | - Hiroshige Kikura
- Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.
| | - Hideharu Takahashi
- Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.
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18
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Jiang Y, Ma J, Lv J, Ma H, Xia H, Wang J, Yang C, Xue M, Li G, Zhu N. Facile Wearable Vapor/Liquid Amphibious Methanol Sensor. ACS Sens 2019; 4:152-160. [PMID: 30584759 DOI: 10.1021/acssensors.8b01111] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Detection of methanol is a significant segment for body health and work safety in the production of chemical industry. However, there hardly exists highly selective methanol detection system with green environment for vapor or liquid adaptability, as well as large linear relationship. A facile wearable vapor/liquid amphibious electrochemical sensor for monitoring methanol has been carried out for the first time in this Article. This wearable methanol sensor was fabricated by using a simple screen-printing technology for accomplishing a microdevice platform, showing good linear relationship, high selectivity (multiple volatile chemical compounds), reliable repeatability, good stability, and excellent stretching and bending performance (nitrile glove-based sensor) without pretreatment or adding any polymers into inks. Owing to its good environmental adaptability of vapor or liquid and various sensing behaviors (high sensitivity and wide linear range) by being modified with different content of platinum catalyst, this methanol sensor would have tremendous potential application for environmental monitoring on smart wearable devices when employed based on various platforms (such as PET, cotton, and nitrile gloves).
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Affiliation(s)
- Yu Jiang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Junlin Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Jian Lv
- School of Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Hongting Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Hongbo Xia
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Jun Wang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Cheng Yang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Mianqi Xue
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Gongyi Li
- College of Liberal Arts and Sciences, National University of Defense Technology, Changsha, Hu’nan 410073, China
| | - Nan Zhu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, China
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19
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Yu Y, Joshi PC, Wu J, Hu A. Laser-Induced Carbon-Based Smart Flexible Sensor Array for Multiflavors Detection. ACS APPLIED MATERIALS & INTERFACES 2018; 10:34005-34012. [PMID: 30215506 DOI: 10.1021/acsami.8b12626] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We report a flexible sensor array electronic tongue system that is fabricated on a polymer substrate by the laser direct writing process for multiflavor detection. Electronic tongue is a sensing system that is applied to detect different elements with the same sensor array. By analyzing responses from different measurement units, it enables a cross-sensitivity, namely, the ability of the system to responding to a range of different analytes in solution without specific functionalization of sensors. In this article, a six-unit sensing array system was fabricated by a laser direct writing process. Sensing units were introduced on a flexible polyamide surface. A high surface-volume ratio porous carbon structure was created by a laser-induced carbonization process, which provides stable conductive carbon electrodes with high sensitivity. Different surface treatments, such as gold plating, reduced-graphene oxide coating, and polyaniline coating, were accomplished for different measurement units. By applying principal component analysis, this sensing system shows a promising result for the detection of multiple flavors. The detection limit for each element is about 0.1 mM for NaCl and sugar solutions. Also, it is able to detect 10-4 times diluted commercial table vinegar solution, which originally contains 5% acetic acid. The detection limit is theoretically lower than the human threshold of 10 mM for NaCl and sugar. Besides, the sensing system shows a high sensitivity and selectivity for mixed elements. By mapping the data points, the sensor system could detect flavor combinations and provide a reliable prediction of analyte concentration ratios.
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Affiliation(s)
| | - Pooran C Joshi
- Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831-6061 , United States
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20
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Kanellis VG. Sensitivity limits of biosensors used for the detection of metals in drinking water. Biophys Rev 2018; 10:1415-1426. [PMID: 30225681 PMCID: PMC6233349 DOI: 10.1007/s12551-018-0457-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 09/10/2018] [Indexed: 12/13/2022] Open
Abstract
Even when present in very low concentrations, certain metal ions can have significant health impacts depending on their concentration when present in drinking water. In an effort to detect and identify trace amounts of such metals, environmental monitoring has created a demand for new and improved methods that have ever-increasing sensitivities and selectivity. This paper reviews the sensitivities of over 100 recently published biosensors using various analytical techniques such as fluorescence, voltammetry, inductively coupled plasma techniques, spectrophotometry and visual colorimetric detection that display selectivity for copper, cadmium, lead, mercury and/or aluminium in aqueous solutions.
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21
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McCaul M, Porter A, Barrett R, White P, Stroiescu F, Wallace G, Diamond D. Wearable Platform for Real-time Monitoring of Sodium in Sweat. Chemphyschem 2018; 19:1531-1536. [PMID: 29573322 DOI: 10.1002/cphc.201701312] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Indexed: 11/08/2022]
Abstract
A fully integrated and wearable platform for harvesting and analysing sweat sodium concentration in real time during exercise has been developed and tested. The platform was largely produced using 3D printing, which greatly simplifies fabrication and operation compared to previous versions generated with traditional production techniques. The 3D printed platform doubles the capacity of the sample storage reservoir to about 1.3 ml, reduces the assembly time and provides simple and precise component alignment and contact of the integrated solid-state ion-selective and reference electrodes with the sorbent material. The sampling flowrate in the device can be controlled by introducing threads to enhance wicking of sweat from the skin, across the electrodes to the storage area. The platform was characterised in the lab and in exercise trials over a period of about 60 minutes continuous monitoring. Sweat sodium concentration was found to rise initially to approximately 17 mM and decline gradually over the period of the trial to about 11-12 mM.
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Affiliation(s)
- Margaret McCaul
- Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Adam Porter
- Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Ruairi Barrett
- Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Paddy White
- Shimmer, DCU Alpha, Old Finglas Rd, Glasnevin, Dublin 11, Ireland D11 KXN4
| | - Florien Stroiescu
- Shimmer, DCU Alpha, Old Finglas Rd, Glasnevin, Dublin 11, Ireland D11 KXN4
| | - Gordon Wallace
- ARC Centre of Excellence for Electromaterials Science, University of Wollongong, Wollongong NSW, 2522, Australia
| | - Dermot Diamond
- Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland
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22
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Screen-Printed Electrodes Modified with "Green" Metals for Electrochemical Stripping Analysis of Toxic Elements. SENSORS 2018; 18:s18041032. [PMID: 29596391 PMCID: PMC5948781 DOI: 10.3390/s18041032] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 12/30/2022]
Abstract
This work reviews the field of screen-printed electrodes (SPEs) modified with “green” metals for electrochemical stripping analysis of toxic elements. Electrochemical stripping analysis has been established as a useful trace analysis technique offering many advantages compared to competing optical techniques. Although mercury has been the preferred electrode material for stripping analysis, the toxicity of mercury and the associated legal requirements in its use and disposal have prompted research towards the development of “green” metals as alternative electrode materials. When combined with the screen-printing technology, such environment-friendly metals can lead to disposable sensors for trace metal analysis with excellent operational characteristics. This review focuses on SPEs modified with Au, Bi, Sb, and Sn for stripping analysis of toxic elements. Different modification approaches (electroplating, bulk modification, use of metal precursors, microengineering techniques) are considered and representative applications are described. A developing related field, namely biosensing based on stripping analysis of metallic nanoprobe labels, is also briefly mentioned.
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23
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Nikoleli GP, Nikolelis DP, Siontorou CG, Karapetis S, Varzakas T. Novel Biosensors for the Rapid Detection of Toxicants in Foods. ADVANCES IN FOOD AND NUTRITION RESEARCH 2018; 84:57-102. [PMID: 29555073 DOI: 10.1016/bs.afnr.2018.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The modern environmental and food analysis requires sensitive, accurate, and rapid methods. The growing field of biosensors represents an answer to this demand. Unfortunately, most biosensor systems have been tested only on distilled water or buffered solutions, although applications to real samples are increasingly appearing in recent years. In this context, biosensors for potential food applications continue to show advances in areas such as genetic modification of enzymes and microorganisms, improvement of recognition element immobilization, and sensor interfaces. This chapter investigates the progress in the development of biosensors for the rapid detection of food toxicants for online applications. Recent progress in nanotechnology has produced affordable, mass-produced devices, and to integrate these into components and systems (including portable ones) for mass market applications for food toxicants monitoring. Sensing includes chemical and microbiological food toxicants, such as toxins, insecticides, pesticides, herbicides, microorganisms, bacteria, viruses and other microorganisms, phenolic compounds, allergens, genetically modified foods, hormones, dioxins, etc. Therefore, the state of the art of recent advances and future targets in the development of biosensors for food monitoring is summarized as follows: biosensors for food analysis will be highly sensitive, selective, rapidly responding, real time, massively parallel, with no or minimum sample preparation, and platform suited to portable and handheld nanosensors for the rapid detection of food toxicants for online uses even by nonskilled personnel.
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Affiliation(s)
- Georgia-Paraskevi Nikoleli
- Laboratory of Inorganic & Analytical Chemistry, School of Chemical Engineering, Chemical Sciences, National Technical University of Athens, Athens, Greece
| | | | - Christina G Siontorou
- Laboratory of Simulation of Industrial Processes, School of Maritime and Industry, University of Piraeus, Piraeus, Greece
| | - Stephanos Karapetis
- Laboratory of Inorganic & Analytical Chemistry, School of Chemical Engineering, Chemical Sciences, National Technical University of Athens, Athens, Greece
| | - Theo Varzakas
- Laboratory of Inorganic Chemistry, University of Athens, Athens, Greece; Technological Educational Institute of Peloponnese, Kalamata, Greece
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24
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Yu HA, DeTata DA, Lewis SW, Silvester DS. Recent developments in the electrochemical detection of explosives: Towards field-deployable devices for forensic science. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.10.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Cinti S, Mazzaracchio V, Cacciotti I, Moscone D, Arduini F. Carbon Black-Modified Electrodes Screen-Printed onto Paper Towel, Waxed Paper and Parafilm M ®. SENSORS 2017; 17:s17102267. [PMID: 28972566 PMCID: PMC5676850 DOI: 10.3390/s17102267] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 09/29/2017] [Accepted: 09/30/2017] [Indexed: 12/20/2022]
Abstract
Herein, we evaluated the use of paper towel, waxed paper, and Parafilm M® (Heathrow Scientific, Vernon Hills, IL, USA) as alternative substrates for screen-printed sensor manufacturing. Morphological study was performed to evaluate the adhesion of the ink on these uncommon substrates, as well as the morphology of the working electrode. The electrochemical characterization was carried out using ferricyanide/ferrocyanide as redox couple. To enhance the electrochemical properties of the developed sensors, the nanomaterial carbon black was used as nanomodifier. The modification by drop casting of the working electrode surface, using a stable dispersion of carbon black, allows to obtain a sensor with improved electrochemical behavior in terms of peak-to-peak separation, current intensity, and the resistance of charge transfer. The results achieved confirm the possibility of printing the electrode on several cost-effective paper-based materials and the improvement of the electrochemical behavior by using carbon black as sustainable nanomaterial.
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Affiliation(s)
- Stefano Cinti
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy.
| | - Vincenzo Mazzaracchio
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy.
| | - Ilaria Cacciotti
- Department of Engineering, University of Rome Niccolò Cusano, Via Don Carlo Gnocchi 3, 00166 Rome, Italy.
| | - Danila Moscone
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy.
| | - Fabiana Arduini
- Department of Chemical Science and Technology, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133 Rome, Italy.
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26
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Mishra RK, Hubble LJ, Martín A, Kumar R, Barfidokht A, Kim J, Musameh MM, Kyratzis IL, Wang J. Wearable Flexible and Stretchable Glove Biosensor for On-Site Detection of Organophosphorus Chemical Threats. ACS Sens 2017; 2:553-561. [PMID: 28723187 DOI: 10.1021/acssensors.7b00051] [Citation(s) in RCA: 153] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A flexible glove-based electrochemical biosensor with highly stretchable printed electrode system has been developed as a wearable point-of-use screening tool for defense and food security applications. This disposable-mechanically robust "lab-on-a-glove" integrates a stretchable printable enzyme-based biosensing system and active surface for swipe sampling on different fingers, and is coupled with a compact electronic interface for electrochemical detection and real-time wireless data transmission to a smartphone device. Stress-enduring inks are used to print the electrode system and the long serpentine connections to the wireless electronic interface. Dynamic mechanical deformation, bending, and stretching studies illustrate the resilience and compliance of the printed traces against extreme mechanical deformations expected for such on-glove sampling/sensing operation. An organophosphorus hydrolase (OPH)-based biosensor system on the index finger enables rapid on-site detection of organophosphate (OP) nerve-agent compounds on suspicious surfaces and agricultural products following their swipe collection on the thumb finger. The new wireless glove-based biosensor system offers considerable promise for field screening of OP nerve-agents and pesticides in defense and food-safety applications, with significant speed and cost advantages. Such "lab-on-a-glove" demonstration opens the area of flexible wearable sensors to future on-the-hand multiplexed chemical detection in diverse fields.
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Affiliation(s)
- Rupesh K. Mishra
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Lee J. Hubble
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
- CSIRO Manufacturing, Lindfield, New South Wales 2070, Australia
| | - Aida Martín
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Rajan Kumar
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Abbas Barfidokht
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Jayoung Kim
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | | | | | - Joseph Wang
- Department
of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
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27
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Arduini F, Cinti S, Scognamiglio V, Moscone D, Palleschi G. How cutting-edge technologies impact the design of electrochemical (bio)sensors for environmental analysis. A review. Anal Chim Acta 2017; 959:15-42. [PMID: 28159104 DOI: 10.1016/j.aca.2016.12.035] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 12/19/2016] [Accepted: 12/22/2016] [Indexed: 11/25/2022]
Abstract
Through the years, scientists have developed cutting-edge technologies to make (bio)sensors more convenient for environmental analytical purposes. Technological advancements in the fields of material science, rational design, microfluidics, and sensor printing, have radically shaped biosensor technology, which is even more evident in the continuous development of sensing systems for the monitoring of hazardous chemicals. These efforts will be crucial in solving some of the problems constraining biosensors to reach real environmental applications, such as continuous analyses in field by means of multi-analyte portable devices. This review (with 203 refs.) covers the progress between 2010 and 2015 in the field of technologies enabling biosensor applications in environmental analysis, including i) printing technology, ii) nanomaterial technology, iii) nanomotors, iv) biomimetic design, and (v) microfluidics. Next section describes futuristic cutting-edge technologies that are gaining momentum in recent years, which furnish highly innovative aspects to biosensing devices.
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Affiliation(s)
- Fabiana Arduini
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", Via della Ricerca Scientifica, 00133 Rome, Italy; National Institute of Biostructures and Biosystems "INBB", Viale Medaglie d'Oro, 305, Rome, Italy.
| | - Stefano Cinti
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Viviana Scognamiglio
- Institute of Crystallography (IC-CNR), Via Salaria Km 29.300, 00015, Monterotondo, Rome, Italy
| | - Danila Moscone
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", Via della Ricerca Scientifica, 00133 Rome, Italy; National Institute of Biostructures and Biosystems "INBB", Viale Medaglie d'Oro, 305, Rome, Italy
| | - Giuseppe Palleschi
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", Via della Ricerca Scientifica, 00133 Rome, Italy; National Institute of Biostructures and Biosystems "INBB", Viale Medaglie d'Oro, 305, Rome, Italy
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28
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Hussain G, Silvester DS. Detection of sub-ppm Concentrations of Ammonia in an Ionic Liquid: Enhanced Current Density Using “Filled” Recessed Microarrays. Anal Chem 2016; 88:12453-12460. [DOI: 10.1021/acs.analchem.6b03824] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ghulam Hussain
- Nanochemistry Research Institute,
Department of Chemistry, Curtin University, GPOBox U1987, Perth, Western
Australia 6845, Australia
| | - Debbie S. Silvester
- Nanochemistry Research Institute,
Department of Chemistry, Curtin University, GPOBox U1987, Perth, Western
Australia 6845, Australia
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29
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Bandodkar AJ, López CS, Vinu Mohan AM, Yin L, Kumar R, Wang J. All-printed magnetically self-healing electrochemical devices. SCIENCE ADVANCES 2016; 2:e1601465. [PMID: 27847875 PMCID: PMC5099985 DOI: 10.1126/sciadv.1601465] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 09/29/2016] [Indexed: 05/18/2023]
Abstract
The present work demonstrates the synthesis and application of permanent magnetic Nd2Fe14B microparticle (NMP)-loaded graphitic inks for realizing rapidly self-healing inexpensive printed electrochemical devices. The incorporation of NMPs into the printable ink imparts impressive self-healing ability to the printed conducting trace, with rapid (~50 ms) recovery of repeated large (3 mm) damages at the same or different locations without any user intervention or external trigger. The permanent and surrounding-insensitive magnetic properties of the NMPs thus result in long-lasting ability to repair extreme levels of damage, independent of ambient conditions. This remarkable self-healing capability has not been reported for existing man-made self-healing systems and offers distinct advantages over common capsule and intrinsically self-healing systems. The printed system has been characterized by leveraging crystallographic, magnetic hysteresis, microscopic imaging, electrical conductivity, and electrochemical techniques. The real-life applicability of the new self-healing concept is demonstrated for the autonomous repair of all-printed batteries, electrochemical sensors, and wearable textile-based electrical circuits, indicating considerable promise for widespread practical applications and long-lasting printed electronic devices.
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30
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Mostafalu P, Nezhad AS, Nikkhah M, Akbari M. Flexible Electronic Devices for Biomedical Applications. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/978-3-319-32180-6_16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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31
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Mohamed HM. Screen-printed disposable electrodes: Pharmaceutical applications and recent developments. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.02.010] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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32
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Pan S, Wang L, Chen X, Tang Y, Chen Y, Sun Y, Yang X, Wan P. Enhanced electrochemical sensing of nitroaromatic compounds based on hydroxyl modified carbon submicroparticles. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.04.050] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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33
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Liu X, Lillehoj PB. Embroidered electrochemical sensors for biomolecular detection. LAB ON A CHIP 2016; 16:2093-8. [PMID: 27156700 DOI: 10.1039/c6lc00307a] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Electrochemical sensors are powerful analytical tools which possess the capacity for rapid detection of biomarkers in clinical specimens. While most electrochemical sensors are fabricated on rigid substrates, there is a growing need for sensors that can be manufactured on inexpensive and flexible materials. Here, we present a unique embroidered electrochemical sensor that is capable of quantitative analytical measurements using raw biofluid samples. Conductive threads immobilized with enzyme probes were generated using a simple and robust fabrication process and used to fabricate flexible, mechanically robust electrodes on textiles. For proof of concept, measurements were performed to detect glucose and lactate in buffer and whole blood samples, which exhibited excellent specificity and accuracy. We also demonstrate that our embroidered biosensor can be readily fabricated in two-dimensional (2D) arrays for multiplexed measurements. Lastly, we show that this biosensor exhibits good resiliency against mechanical stress and superior repeatability, which are important requirements for flexible sensor platforms.
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Affiliation(s)
- Xiyuan Liu
- Department of Mechanical Engineering, Michigan State University, East Lansing, MI, USA.
| | - Peter B Lillehoj
- Department of Mechanical Engineering, Michigan State University, East Lansing, MI, USA.
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34
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Modali A, Vanjari SRK, Dendukuri D. Wearable Woven Electrochemical Biosensor Patch for Non-invasive Diagnostics. ELECTROANAL 2016. [DOI: 10.1002/elan.201600041] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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35
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Bareket L, Inzelberg L, Rand D, David-Pur M, Rabinovich D, Brandes B, Hanein Y. Temporary-tattoo for long-term high fidelity biopotential recordings. Sci Rep 2016; 6:25727. [PMID: 27169387 PMCID: PMC4864418 DOI: 10.1038/srep25727] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Accepted: 04/20/2016] [Indexed: 01/06/2023] Open
Abstract
Electromyography is a non-invasive method widely used to map muscle activation. For decades, it was commonly accepted that dry metallic electrodes establish poor electrode-skin contact, making them impractical for skin electromyography applications. Gelled electrodes are therefore the standard in electromyography with their use confined, almost entirely, to laboratory settings. Here we present novel dry electrodes, exhibiting outstanding electromyography recording along with excellent user comfort. The electrodes were realized using screen-printing of carbon ink on a soft support. The conformity of the electrodes helps establish direct contact with the skin, making the use of a gel superfluous. Plasma polymerized 3,4-ethylenedioxythiophene was used to enhance the impedance of the electrodes. Cyclic voltammetry measurements revealed an increase in electrode capacitance by a factor of up to 100 in wet conditions. Impedance measurements show a reduction factor of 10 in electrode impedance on human skin. The suitability of the electrodes for long-term electromyography recordings from the hand and from the face is demonstrated. The presented electrodes are ideally-suited for many applications, such as brain-machine interfacing, muscle diagnostics, post-injury rehabilitation, and gaming.
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Affiliation(s)
- Lilach Bareket
- School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel.,Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
| | - Lilah Inzelberg
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 69978, Israel
| | - David Rand
- School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel.,Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
| | - Moshe David-Pur
- School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel.,Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
| | - David Rabinovich
- School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel
| | - Barak Brandes
- School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel
| | - Yael Hanein
- School of Electrical Engineering, Tel Aviv University, Tel Aviv 69978, Israel.,Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
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Sekretaryova AN, Eriksson M, Turner AP. Bioelectrocatalytic systems for health applications. Biotechnol Adv 2016; 34:177-97. [DOI: 10.1016/j.biotechadv.2015.12.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 12/15/2015] [Accepted: 12/15/2015] [Indexed: 01/06/2023]
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Steinberg MD, Kassal P, Steinberg IM. System Architectures in Wearable Electrochemical Sensors. ELECTROANAL 2016. [DOI: 10.1002/elan.201600094] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Agustini D, Bergamini MF, Marcolino-Junior LH. Low cost microfluidic device based on cotton threads for electroanalytical application. LAB ON A CHIP 2016; 16:345-52. [PMID: 26659997 DOI: 10.1039/c5lc01348h] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Microfluidic devices are an interesting alternative for performing analytical assays, due to the speed of analyses, reduced sample, reagent and solvent consumption and less waste generation. However, the high manufacturing costs still prevent the massive use of these devices worldwide. Here, we present the construction of a low cost microfluidic thread-based electroanalytical device (μTED), employing extremely cheap materials and a manufacturing process free of equipment. The microfluidic channels were built with cotton threads and the estimated cost per device was only $0.39. The flow of solutions (1.12 μL s(-1)) is generated spontaneously due to the capillary forces, eliminating the use of any pumping system. To demonstrate the analytical performance of the μTED, a simultaneous determination of acetaminophen (ACT) and diclofenac (DCF) was performed by multiple pulse amperometry (MPA). A linear dynamic range (LDR) of 10 to 320 μmol L(-1) for both species, a limit of detection (LOD) and a limit of quantitation (LOQ) of 1.4 and 4.7 μmol L(-1) and 2.5 and 8.3 μmol L(-1) for ACT and DCF, respectively, as well as an analytical frequency of 45 injections per hour were reached. Thus, the proposed device has shown potential to extend the use of microfluidic analytical devices, due to its simplicity, low cost and good analytical performance.
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Affiliation(s)
- Deonir Agustini
- Laboratório de Sensores Eletroquímicos (LabSensE), Departamento de Química, Universidade Federal do Paraná (UFPR), CEP 81.531-980, Curitiba-PR, Brazil.
| | - Márcio F Bergamini
- Laboratório de Sensores Eletroquímicos (LabSensE), Departamento de Química, Universidade Federal do Paraná (UFPR), CEP 81.531-980, Curitiba-PR, Brazil.
| | - Luiz Humberto Marcolino-Junior
- Laboratório de Sensores Eletroquímicos (LabSensE), Departamento de Química, Universidade Federal do Paraná (UFPR), CEP 81.531-980, Curitiba-PR, Brazil.
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Metters JP, Banks CE. Carbon Nanomaterials in Electrochemical Detection. ELECTROCHEMICAL STRATEGIES IN DETECTION SCIENCE 2015. [DOI: 10.1039/9781782622529-00229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
This chapter overviews the use of carbon nanomaterials in the field of electroanalysis and considers why carbon-based nanomaterials are widely utilized and explores the current diverse range that is available to the practising electrochemist, which spans from carbon nanotubes to carbon nanohorns through to the recent significant attention given to graphene.
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Affiliation(s)
- Jonathan P. Metters
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University Chester Street Manchester M15 GD UK
| | - Craig E. Banks
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University Chester Street Manchester M15 GD UK
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Barton J, García MBG, Santos DH, Fanjul-Bolado P, Ribotti A, McCaul M, Diamond D, Magni P. Screen-printed electrodes for environmental monitoring of heavy metal ions: a review. Mikrochim Acta 2015. [DOI: 10.1007/s00604-015-1651-0] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Steinberg MD, Kassal P, Kereković I, Steinberg IM. A wireless potentiostat for mobile chemical sensing and biosensing. Talanta 2015; 143:178-183. [PMID: 26078146 DOI: 10.1016/j.talanta.2015.05.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 05/05/2015] [Accepted: 05/12/2015] [Indexed: 01/03/2023]
Abstract
Wireless chemical sensors are used as analytical devices in homeland defence, home-based healthcare, food logistics and more generally for the Sensor Internet of Things (SIoT). Presented here is a battery-powered and highly portable credit-card size potentiostat that is suitable for performing mobile and wearable amperometric electrochemical measurements with seamless wireless data transfer to mobile computing devices. The mobile electrochemical analytical system has been evaluated in the laboratory with a model redox system - the reduction of hexacyanoferrate(III) - and also with commercially available enzymatic blood-glucose test-strips. The potentiostat communicates wirelessly with mobile devices such as tablets or Smartphones by near-field communication (NFC) or with personal computers by radio-frequency identification (RFID), and thus provides a solution to the 'missing link' in connectivity that often exists between low-cost mobile and wearable chemical sensors and ubiquitous mobile computing products. The mobile potentiostat has been evaluated in the laboratory with a set of proof-of-concept experiments, and its analytical performance compared with a commercial laboratory potentiostat (R(2)=0.9999). These first experimental results demonstrate the functionality of the wireless potentiostat and suggest that the device could be suitable for wearable and point-of-sample analytical measurements. We conclude that the wireless potentiostat could contribute significantly to the advancement of mobile chemical sensor research and adoption, in particular for wearable sensors in healthcare and sport physiology, for wound monitoring and in mobile point-of-sample diagnostics as well as more generally as a part of the Sensor Internet of Things.
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Affiliation(s)
| | - Petar Kassal
- Faculty of Chemical Engineering & Technology, University of Zagreb, Marulićev trg 19, HR-10000 Zagreb, Croatia
| | - Irena Kereković
- Faculty of Chemical Engineering & Technology, University of Zagreb, Marulićev trg 19, HR-10000 Zagreb, Croatia
| | - Ivana Murković Steinberg
- Faculty of Chemical Engineering & Technology, University of Zagreb, Marulićev trg 19, HR-10000 Zagreb, Croatia.
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Choudhary T, Rajamanickam GP, Dendukuri D. Woven electrochemical fabric-based test sensors (WEFTS): a new class of multiplexed electrochemical sensors. LAB ON A CHIP 2015; 15:2064-72. [PMID: 25805000 DOI: 10.1039/c5lc00041f] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We present textile weaving as a new technique for the manufacture of miniature electrochemical sensors with significant advantages over current fabrication techniques. Biocompatible silk yarn is used as the material for fabrication instead of plastics and ceramics used in commercial sensors. Silk yarns are coated with conducting inks and reagents before being handloom-woven as electrodes into patches of fabric to create arrays of sensors, which are then laminated, cut and packaged into individual sensors. Unlike the conventionally used screen-printing, which results in wastage of reagents, yarn coating uses only as much reagent and ink as required. Hydrophilic and hydrophobic yarns are used for patterning so that sample flow is restricted to a small area of the sensor. This simple fluidic control is achieved with readily available materials. We have fabricated and validated individual sensors for glucose and hemoglobin and a multiplexed sensor, which can detect both analytes. Chronoamperometry and differential pulse voltammetry (DPV) were used to detect glucose and hemoglobin, respectively. Industrial quantities of these sensors can be fabricated at distributed locations in the developing world using existing skills and manufacturing facilities. We believe such sensors could find applications in the emerging area of wearable sensors for chemical testing.
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Affiliation(s)
- Tripurari Choudhary
- Achira Labs Pvt. Ltd., 57, 1st Main Road, JP Nagar Phase 3, Bangalore 560078, India.
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Ahmed MU, Hossain MM, Safavieh M, Wong YL, Abd Rahman I, Zourob M, Tamiya E. Toward the development of smart and low cost point-of-care biosensors based on screen printed electrodes. Crit Rev Biotechnol 2015; 36:495-505. [PMID: 25578718 DOI: 10.3109/07388551.2014.992387] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Screen printing technology provides a cheap and easy means to fabricate disposable electrochemical devices in bulk quantities which are used for rapid, low-cost, on-site, real-time and recurrent industrial, pharmaceutical or environmental analyses. Recent developments in micro-fabrication and nano-characterization made it possible to screen print reproducible feature on materials including plastics, ceramics and metals. The processed features forms screen-printed disposable biochip (SPDB) upon the application of suitable bio-chemical recognition receptors following appropriate methods. Adequacy of biological and non-biological materials is the key to successful biochip development. We can further improve recognition ability of SPDBs by adopting new screen printed electrode (SPE) configurations. This review covers screen-printing theory with special emphasis on the technical impacts of SPE architectures, surface treatments, operational stability and signal sensitivity. The application of SPE in different areas has also been summarized. The article aims to highlight the state-of-the-art of SPDB at the laboratory scale to enable us in envisaging the deployment of emerging SPDB technology on the commercial scale.
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Affiliation(s)
- Minhaz Uddin Ahmed
- a Biosensors and Biotechnology Laboratory, Chemical Science Programme, Faculty of Science , Universiti Brunei Darussalam , Gadong , Negara Brunei Darussalam
| | | | - Mohammadali Safavieh
- c Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology (MIT) , Cambridge , MA , USA
| | - Yen Lu Wong
- a Biosensors and Biotechnology Laboratory, Chemical Science Programme, Faculty of Science , Universiti Brunei Darussalam , Gadong , Negara Brunei Darussalam
| | - Ibrahim Abd Rahman
- a Biosensors and Biotechnology Laboratory, Chemical Science Programme, Faculty of Science , Universiti Brunei Darussalam , Gadong , Negara Brunei Darussalam
| | - Mohammed Zourob
- d Center of Biomedical Engineering, Cranfield University , Bedfordshire , UK , and
| | - Eiichi Tamiya
- e Nanobioengineering Laboratory, Department of Applied Physics , Graduate School of Engineering, Osaka University , Osaka , Japan
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Caramit RP, Lucca BG, Souza Ferreira V, Abarza Munoz RA, Richter EM, da Silva RAB. On‐Site Determination of Carbendazim, Cathecol and Hydroquinone in Tap Water Using a Homemade Batch Injection Analysis Cell for Screen Printed Electrodes. ELECTROANAL 2014. [DOI: 10.1002/elan.201400454] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ricardo Pini Caramit
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Müller, 1555, CEP 79.074‐460, Campo Grande, MS, Brazil
| | - Bruno Gabriel Lucca
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Müller, 1555, CEP 79.074‐460, Campo Grande, MS, Brazil
| | - Valdir Souza Ferreira
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Müller, 1555, CEP 79.074‐460, Campo Grande, MS, Brazil
| | - Rodrigo Alejandro Abarza Munoz
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, CEP 38.408‐100, Uberlândia, MG, Brazil
| | - Eduardo Mathias Richter
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, CEP 38.408‐100, Uberlândia, MG, Brazil
| | - Rodrigo Amorim Bezerra da Silva
- Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados rodovia Dourados – Itahum, Km 12 (Cidade Universitária), Dourados, MS, Brazil CEP 79.804‐970 tel: 55‐67‐3410‐2091
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Guinovart T, Bandodkar AJ, Windmiller JR, Andrade FJ, Wang J. A potentiometric tattoo sensor for monitoring ammonium in sweat. Analyst 2014; 138:7031-8. [PMID: 24098883 DOI: 10.1039/c3an01672b] [Citation(s) in RCA: 178] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development and analytical characterization of a novel ion-selective potentiometric cell in a temporary-transfer tattoo platform for monitoring ammonium levels in sweat is presented. The fabrication of this skin-worn sensor, which is based on a screen-printed design, incorporates all-solid-state potentiometric sensor technology for both the working and reference electrodes, in connection to ammonium-selective polymeric membrane based on the nonactin ionophore. The resulting tattooed potentiometric sensor exhibits a working range between 10(-4) M to 0.1 M, well within the physiological levels of ammonium in sweat. Testing under stringent mechanical stress expected on the epidermis shows that the analytical performance is not affected by factors such as stretching or bending. Since the levels of ammonium are related to the breakdown of proteins, the new wearable potentiometric tattoo sensor offers considerable promise for monitoring sport performance or detecting metabolic disorders in healthcare. Such combination of the epidermal integration, screen-printed technology and potentiometric sensing represents an attractive path towards non-invasive monitoring of a variety of electrolytes in human perspiration.
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Affiliation(s)
- Tomàs Guinovart
- Department of Nanoengineering, University of California San Diego, La Jolla, CA 92093-0448, USA.
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Yang F, Zuo X, Li Z, Deng W, Shi J, Zhang G, Huang Q, Song S, Fan C. A bubble-mediated intelligent microscale electrochemical device for single-step quantitative bioassays. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:4671-6. [PMID: 24729272 DOI: 10.1002/adma.201400451] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 03/09/2014] [Indexed: 05/14/2023]
Abstract
An intelligent microscale electrochemical device (iMED) for one-step, quantitative and multiplexed electrochemical detection of biomarkers for infectious diseases and tumors is developed. A "plug-in-cartridge" technology is introduced and adapted for use in screen-printed electrodes (SPEs) in electrochemical devices. Using this iMED, biomarkers for two types of tumors and one infectious disease are detected at sub-ng/mL levels in less than 30 min.
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Affiliation(s)
- Fan Yang
- Division of Physical, Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, CAS Key Laboratory of Microscale Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China; School of Laboratory Medicine, Hubei University of Chinese Medicine, 1 Huangjia Lake West Road, Wuhan, China
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Malon RSP, Chua KY, Wicaksono DHB, Córcoles EP. Cotton fabric-based electrochemical device for lactate measurement in saliva. Analyst 2014; 139:3009-16. [PMID: 24776756 DOI: 10.1039/c4an00201f] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lactate measurement is vital in clinical diagnostics especially among trauma and sepsis patients. In recent years, it has been shown that saliva samples are an excellent applicable alternative for non-invasive measurement of lactate. In this study, we describe a method for the determination of lactate concentration in saliva samples by using a simple and low-cost cotton fabric-based electrochemical device (FED). The device was fabricated using template method for patterning the electrodes and wax-patterning technique for creating the sample placement/reaction zone. Lactate oxidase (LOx) enzyme was immobilised at the reaction zone using a simple entrapment method. The LOx enzymatic reaction product, hydrogen peroxide (H2O2) was measured using chronoamperometric measurements at the optimal detection potential (-0.2 V vs. Ag/AgCl), in which the device exhibited a linear working range between 0.1 to 5 mM, sensitivity (slope) of 0.3169 μA mM(-1) and detection limit of 0.3 mM. The low detection limit and wide linear range were suitable to measure salivary lactate (SL) concentration, thus saliva samples obtained under fasting conditions and after meals were evaluated using the FED. The measured SL varied among subjects and increased after meals randomly. The proposed device provides a suitable analytical alternative for rapid and non-invasive determination of lactate in saliva samples. The device can also be adapted to a variety of other assays that requires simplicity, low-cost, portability and flexibility.
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Affiliation(s)
- Radha S P Malon
- Faculty of Biosciences and Medical Engineering (FBME), Universiti Teknologi Malaysia (UTM), 81310 Skudai, Johor, Malaysia.
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Cuartero M, del Río JS, Blondeau P, Ortuño JA, Rius FX, Andrade FJ. Rubber-based substrates modified with carbon nanotubes inks to build flexible electrochemical sensors. Anal Chim Acta 2014; 827:95-102. [PMID: 24833000 DOI: 10.1016/j.aca.2014.04.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 03/03/2014] [Accepted: 04/10/2014] [Indexed: 10/25/2022]
Abstract
The development of a solid-contact potentiometric sensor based on conducting rubbers using a carbon nanotubes ink is described here. Commercial rubbers are turned into conductive ones by a simple and versatile method, i.e. painting an aqueous dispersion of single-walled carbon nanotubes on the polymer surface. On this substrate, both the working ion-selective electrode and the reference electrode are built in order to form an integrated potentiometric cell. As a proof-of-principle, selective potassium electrodes are fully characterized giving comparable performances to conventional electrodes (sensitivity, selectivity, stability, linear range, limit of detection and reproducibility). As an application of the rubber-based electrodes, a bracelet was constructed to measure potassium levels in artificial sweat. Since rubbers are ubiquitous in our quotidian life, this approach offers great promise for the generation of chemical information through daily objects.
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Affiliation(s)
- María Cuartero
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia E-30100, Spain
| | - Jonathan Sabaté del Río
- Department of Analytical and Organic Chemistry, Universitat Rovira i Virgil, Campus Sescelades, Marcel·lí Domingo s/n, Tarragona 43007, Spain
| | - Pascal Blondeau
- Department of Analytical and Organic Chemistry, Universitat Rovira i Virgil, Campus Sescelades, Marcel·lí Domingo s/n, Tarragona 43007, Spain
| | - Joaquín A Ortuño
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia E-30100, Spain
| | - F Xavier Rius
- Department of Analytical and Organic Chemistry, Universitat Rovira i Virgil, Campus Sescelades, Marcel·lí Domingo s/n, Tarragona 43007, Spain
| | - Francisco J Andrade
- Department of Analytical and Organic Chemistry, Universitat Rovira i Virgil, Campus Sescelades, Marcel·lí Domingo s/n, Tarragona 43007, Spain.
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