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Srivastava A, Azad UP. Nanobioengineered surface comprising carbon based materials for advanced biosensing and biomedical application. Int J Biol Macromol 2023; 253:126802. [PMID: 37690641 DOI: 10.1016/j.ijbiomac.2023.126802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/30/2023] [Accepted: 09/06/2023] [Indexed: 09/12/2023]
Abstract
Carbon-based nanomaterials (CNMs) are at the cutting edge of materials science. Due to their distinctive architectures, substantial surface area, favourable biocompatibility, and reactivity to internal and/or external chemico-physical stimuli, carbon-based nanomaterials are becoming more and more significant in a wide range of applications. Numerous research has been conducted and still is going on to investigate the potential uses of carbon-based hybrid materials for diverse applications such as biosensing, bioimaging, smart drug delivery with the potential for theranostic or combinatorial therapies etc. This review is mainly focused on the classifications and synthesis of various types of CNMs and their electroanalytical application for development of efficient and ultra-sensitive electrochemical biosensors for the point of care diagnosis of fatal and severe diseases at their very initial stage. This review is mainly focused on the classification, synthesis and application of carbon-based material for biosensing applications. The integration of various types of CNMs with nanomaterials, enzymes, redox mediators and biomarkers have been used discussed in development of smart biosensing platform. We have also made an effort to discuss the future prospects for these CNMs in the biosensing area as well as the most recent advancements and applications which will be quite useful for the researchers working across the globe working specially in biosensors field.
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Affiliation(s)
- Ananya Srivastava
- Department of Chemistry, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India.
| | - Uday Pratap Azad
- Laboratory of Nanoelectrochemistry, Department of Chemistry, Guru Ghasidas Vishwavidyalaya (Central University), Bilaspur 495 009, CG, India.
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2
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He J, Xu X, Li M, Zhou S, Zhou W. Recent advances in perovskite oxides for non-enzymatic electrochemical sensors: A review. Anal Chim Acta 2023; 1251:341007. [PMID: 36925293 DOI: 10.1016/j.aca.2023.341007] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/05/2023]
Abstract
Non-enzymatic electrochemical sensors with significant advantages of high sensitivity, long-term stability, and excellent reproducibility, are one promising technology to solve many challenges, such as the detection of toxic substances and viruses. Among various materials, perovskite oxides have become a promising candidate for use in non-enzymatic electrochemical sensors because of their low cost, flexible structure, and high intrinsic catalytic activity. A comprehensive overview of the recent advances in perovskite oxides for non-enzymatic electrochemical sensors is provided, which includes the synthesis methods of nanostructured perovskites and the electrocatalytic mechanisms of perovskite catalysts. The better sensing performance of perovskite oxides is mainly due to the lattice O vacancies and superoxide oxygen ions (O22-/O-), which are generated by the transfer of lattice oxygen to adsorbed -OH and have performed excellent properties suitable for electrooxidation of analytes. However, the limited electron transfer kinetics, stability, and selectivity of perovskite oxides alone make perovskite oxides far from ready for scientific development. Therefore, composites of perovskite oxides with other materials like graphitic carbon, metals, metal compounds, conducting organics, and biomolecules are summarized. Furthermore, a brief section describing the future challenges and the corresponding recommendation is presented in this review.
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Affiliation(s)
- Juan He
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, No.111 West Changjiang Road, Huaian, 223300, Jiangsu Province, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, PR China.
| | - Xiaomin Xu
- WA School of Mines: Minerals, Energy and Chemical Engineering (WASM-MECE), Curtin University, Perth, WA, 6102, Australia.
| | - Meisheng Li
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, No.111 West Changjiang Road, Huaian, 223300, Jiangsu Province, PR China.
| | - Shouyong Zhou
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, No.111 West Changjiang Road, Huaian, 223300, Jiangsu Province, PR China.
| | - Wei Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 210009, PR China.
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3
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Tricase A, Imbriano A, Macchia E, Sarcina L, Scandurra C, Torricelli F, Cioffi N, Torsi L, Bollella P. Enzyme based amperometric wide field biosensors: Is single‐molecule detection possible? ELECTROCHEMICAL SCIENCE ADVANCES 2022. [DOI: 10.1002/elsa.202100215] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Angelo Tricase
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
| | - Anna Imbriano
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
- Centre for Colloid and Surface Science Università degli Studi di Bari “Aldo Moro” Bari Italy
| | - Eleonora Macchia
- Faculty of Science and Engineering Åbo Akademi University Turku Finland
| | - Lucia Sarcina
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
| | - Cecilia Scandurra
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
| | - Fabrizio Torricelli
- Dipartimento Ingegneria dell'Informazione Università degli Studi di Brescia Brescia Italy
| | - Nicola Cioffi
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
- Centre for Colloid and Surface Science Università degli Studi di Bari “Aldo Moro” Bari Italy
| | - Luisa Torsi
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
- Faculty of Science and Engineering Åbo Akademi University Turku Finland
- Centre for Colloid and Surface Science Università degli Studi di Bari “Aldo Moro” Bari Italy
| | - Paolo Bollella
- Dipartimento di Chimica Università degli Studi di Bari “Aldo Moro” Bari Italy
- Centre for Colloid and Surface Science Università degli Studi di Bari “Aldo Moro” Bari Italy
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4
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Sensitive and reliable electrochemical detection of nitrite and H2O2 embellish-CoPc coupled with appliance of composite MWCNTs. Anal Chim Acta 2020; 1108:98-107. [DOI: 10.1016/j.aca.2020.02.057] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/12/2020] [Accepted: 02/27/2020] [Indexed: 02/07/2023]
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5
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Preparation of bio-electrodes via Langmuir-Blodgett technique for pharmaceutical and waste industries and their biosensor application. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.124005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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6
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Wang K, Du L, Wei Q, Zhang J, Zhang G, Xing W, Sun S. A Lactate/Oxygen Biofuel Cell: The Coupled Lactate Oxidase Anode and PGM-Free Fe-N-C Cathode. ACS APPLIED MATERIALS & INTERFACES 2019; 11:42744-42750. [PMID: 31638769 DOI: 10.1021/acsami.9b14486] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The rapid development of both wearable and implantable biofuel cells has triggered more and more attention on the lactate biofuel cell. The novel lactate/oxygen biofuel cell (L/O-BFC) with the direct electron transfer (DET)-type lactate oxidase (LOx) anode and the platinum group metal (PGM)-free Fe-N-C cathode is designed and constructed in this paper. In such a reasonable design, the surface-controlled direct two-electron electrochemical reaction of the lactate oxidase was determined by cyclic voltammetry (CV) on the carbon nanotube (CNT) modified electrode with favorable high electrochemical active surface area and electronic conductivity. Additionally, the biosensor based on DET-type LOx modified electrode impressively presented linear response to lactate with different concentrations from 0.000 mM to 12.300 mM. In particular, the apparent Michealis-constant (KMapp) calculated as 0.140 mM clearly indicates that LOx on CNT has strong affinity to the substrate lactate. Meanwhile, 4e- transfer oxygen reduction reaction (ORR) was proven to take place on the Fe-N-C catalysts inthe 0.1 M PBS system, indicating the advantage by using the Fe-N-C catalysts at the cathode of L/O-BFC. Last but not least, the L/O-BFC with the direct electron transfer (DET)-type lactate oxidase(LOx) anode and the Fe-N-C cathode produced an superior open circuit potential (OCP) of 0.264 V and a maximum output power density (OPD) of 24.430 μW cm-2 in O2 saturated 95.020 mM lactate solution. The above results will not only bring about significant interest in developing a DET-type biofuel cell, but also offer guiding direction to explore novel catalyst materials for the biofuel cell. This work enriches the research content and may push developments of the implantable and wearable biofuel cell forward.
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Affiliation(s)
- Kunqi Wang
- Key Laboratory of Urban Sewage Treatment of Jilin Province, Department of Applied Chemistry , Changchun Institute of Technology , 130021 , Changchun , China
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Lei Du
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Qiliang Wei
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Jihai Zhang
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Gaixia Zhang
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
| | - Wei Xing
- State Key Laboratory of Electroanalytical Chemistry, Jilin Province Key Laboratory of Low Carbon Chemical Power , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , 130022 Changchun , China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique (INRS)-ÉnergieMatériaux et Télécommunications , Varennes , Québec J3 × 1S2 , Canada
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7
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Kamran U, Heo YJ, Lee JW, Park SJ. Functionalized Carbon Materials for Electronic Devices: A Review. MICROMACHINES 2019; 10:E234. [PMID: 30987220 PMCID: PMC6523075 DOI: 10.3390/mi10040234] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/31/2019] [Accepted: 04/01/2019] [Indexed: 12/25/2022]
Abstract
Carbon-based materials, including graphene, single walled carbon nanotubes (SWCNTs), and multi walled carbon nanotubes (MWCNTs), are very promising materials for developing future-generation electronic devices. Their efficient physical, chemical, and electrical properties, such as high conductivity, efficient thermal and electrochemical stability, and high specific surface area, enable them to fulfill the requirements of modern electronic industries. In this review article, we discuss the synthetic methods of different functionalized carbon materials based on graphene oxide (GO), SWCNTs, MWCNTs, carbon fibers (CFs), and activated carbon (AC). Furthermore, we highlight the recent developments and applications of functionalized carbon materials in energy storage devices (supercapacitors), inkjet printing appliances, self-powered automatic sensing devices (biosensors, gas sensors, pressure sensors), and stretchable/flexible wearable electronic devices.
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Affiliation(s)
- Urooj Kamran
- Department of Chemistry, Inha University, 100 Inharo, Incheon 22212, Korea.
| | - Young-Jung Heo
- Department of Chemistry, Inha University, 100 Inharo, Incheon 22212, Korea.
| | - Ji Won Lee
- Department of Chemistry, Inha University, 100 Inharo, Incheon 22212, Korea.
| | - Soo-Jin Park
- Department of Chemistry, Inha University, 100 Inharo, Incheon 22212, Korea.
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8
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Abstract
Carbon nanotubes (CNTs) promise to advance a number of real-world technologies. Of these applications, they are particularly attractive for uses in chemical sensors for environmental and health monitoring. However, chemical sensors based on CNTs are often lacking in selectivity, and the elucidation of their sensing mechanisms remains challenging. This review is a comprehensive description of the parameters that give rise to the sensing capabilities of CNT-based sensors and the application of CNT-based devices in chemical sensing. This review begins with the discussion of the sensing mechanisms in CNT-based devices, the chemical methods of CNT functionalization, architectures of sensors, performance parameters, and theoretical models used to describe CNT sensors. It then discusses the expansive applications of CNT-based sensors to multiple areas including environmental monitoring, food and agriculture applications, biological sensors, and national security. The discussion of each analyte focuses on the strategies used to impart selectivity and the molecular interactions between the selector and the analyte. Finally, the review concludes with a brief outlook over future developments in the field of chemical sensors and their prospects for commercialization.
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Affiliation(s)
- Vera Schroeder
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge Massachusetts 02139, United States
| | - Suchol Savagatrup
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge Massachusetts 02139, United States
| | - Maggie He
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge Massachusetts 02139, United States
| | - Sibo Lin
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge Massachusetts 02139, United States
| | - Timothy M. Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge Massachusetts 02139, United States
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9
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3D ordered macroporous SmCoO3 perovskite for highly active and selective hydrogen peroxide detection. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2017.12.084] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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10
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Gupta S, Murthy CN, Prabha CR. Recent advances in carbon nanotube based electrochemical biosensors. Int J Biol Macromol 2017; 108:687-703. [PMID: 29223757 DOI: 10.1016/j.ijbiomac.2017.12.038] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 11/09/2017] [Accepted: 12/06/2017] [Indexed: 12/23/2022]
Abstract
There is an increasing need for rapid, low cost, reusable, reliable and sensitive detection systems for diagnosing infectious diseases, metabolic disorders, rapidly advancing cancers and detecting the presence of environmental pollutants. Most traditional methods are invasive, slow, expensive and laborious, requiring highly specialized instruments. Introduction of biosensors with nanomaterials as transducers of signals have helped in removing the disadvantages associated with traditional detectors. The properties of high mechanical strength, better electrical conductivity and ability to serve as efficient signal transducers make carbon nanotubes (CNTs) ideal material for biosensor applications among the gamut of nanomaterials. Further, CNTs with their high surface areas, easily functionalizable surfaces for receptor immobilization are gaining importance in the construction of biosensors. The expanding field of CNTs bridges the physical sciences with biology, as chemical methods are employed to develop novel tools and platforms for understanding biological systems, in disease diagnosis and treatment. This review presents recent advances in surface functionalization of CNTs necessary for immobilization of enzymes and antibodies for biosensor applications and the methodologies used for the detection of a number of chemical and biological species. The review ends with a speculation on future prospects for CNTs in biology and medicine.
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Affiliation(s)
- S Gupta
- Department of Biochemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara-390002, India
| | - C N Murthy
- Applied Chemistry Department, Faculty of Technology and Engineering, PO Box 51, Kalabhavan, The Maharaja Sayajirao University of Baroda, Vadodara-390001, India
| | - C Ratna Prabha
- Department of Biochemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara-390002, India.
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11
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Zappi D, Caminiti R, Ingo G, Sadun C, Tortolini C, Antonelli M. Biologically friendly room temperature ionic liquids and nanomaterials for the development of innovative enzymatic biosensors. Talanta 2017; 175:566-572. [DOI: 10.1016/j.talanta.2017.07.081] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 07/26/2017] [Accepted: 07/27/2017] [Indexed: 10/19/2022]
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12
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Amperometric biosensors based on reduced GO and MWCNTs composite for polyphenols detection in fruit juices. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.06.012] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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13
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Safavi A, Mohammadzadeh M, Sorouri M. Design and application of a composite electrode using molecular wire as the binder. Microchem J 2017. [DOI: 10.1016/j.microc.2016.11.001] [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]
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14
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Zhu Z. An Overview of Carbon Nanotubes and Graphene for Biosensing Applications. NANO-MICRO LETTERS 2017; 9:25. [PMID: 30393720 PMCID: PMC6199032 DOI: 10.1007/s40820-017-0128-6] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 01/04/2017] [Indexed: 05/15/2023]
Abstract
With the development of carbon nanomaterials in recent years, there has been an explosion of interests in using carbon nanotubes (CNTs) and graphene for developing new biosensors. It is believed that employing CNTs and graphene as sensor components can make sensors more reliable, accurate, and fast due to their remarkable properties. Depending on the types of target molecular, different strategies can be applied to design sensor device. This review article summarized the important progress in developing CNT- and graphene-based electrochemical biosensors, field-effect transistor biosensors, and optical biosensors. Although CNTs and graphene have led to some groundbreaking discoveries, challenges are still remained and the state-of-the-art sensors are far from a practical application. As a conclusion, future effort has to be made through an interdisciplinary platform, including materials science, biology, and electric engineering.
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Affiliation(s)
- Zanzan Zhu
- National Cancer Centre Singapore, 11 Hospital Drive, Singapore, 169610 Singapore
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15
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Najafi Chermahini A, Teimouri A. Interaction of Lactic Acid and Silicon-doped Single-walled Carbon Nanotubes: A Density Functional Theory Study. J CHIN CHEM SOC-TAIP 2016. [DOI: 10.1002/jccs.201600809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
| | - Abbas Teimouri
- Department of Chemistry; Payame Noor University (PNU); Tehran 19395-4697 Iran
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16
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Emerging Nanomaterials for Analytical Detection. BIOSENSORS FOR SUSTAINABLE FOOD - NEW OPPORTUNITIES AND TECHNICAL CHALLENGES 2016. [DOI: 10.1016/bs.coac.2016.03.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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17
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Adhikari BR, Govindhan M, Chen A. Carbon Nanomaterials Based Electrochemical Sensors/Biosensors for the Sensitive Detection of Pharmaceutical and Biological Compounds. SENSORS 2015; 15:22490-508. [PMID: 26404304 PMCID: PMC4610543 DOI: 10.3390/s150922490] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Revised: 08/23/2015] [Accepted: 08/30/2015] [Indexed: 12/25/2022]
Abstract
Electrochemical sensors and biosensors have attracted considerable attention for the sensitive detection of a variety of biological and pharmaceutical compounds. Since the discovery of carbon-based nanomaterials, including carbon nanotubes, C60 and graphene, they have garnered tremendous interest for their potential in the design of high-performance electrochemical sensor platforms due to their exceptional thermal, mechanical, electronic, and catalytic properties. Carbon nanomaterial-based electrochemical sensors have been employed for the detection of various analytes with rapid electron transfer kinetics. This feature article focuses on the recent design and use of carbon nanomaterials, primarily single-walled carbon nanotubes (SWCNTs), reduced graphene oxide (rGO), SWCNTs-rGO, Au nanoparticle-rGO nanocomposites, and buckypaper as sensing materials for the electrochemical detection of some representative biological and pharmaceutical compounds such as methylglyoxal, acetaminophen, valacyclovir, β-nicotinamide adenine dinucleotide hydrate (NADH), and glucose. Furthermore, the electrochemical performance of SWCNTs, rGO, and SWCNT-rGO for the detection of acetaminophen and valacyclovir was comparatively studied, revealing that SWCNT-rGO nanocomposites possess excellent electrocatalytic activity in comparison to individual SWCNT and rGO platforms. The sensitive, reliable and rapid analysis of critical disease biomarkers and globally emerging pharmaceutical compounds at carbon nanomaterials based electrochemical sensor platforms may enable an extensive range of applications in preemptive medical diagnostics.
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Affiliation(s)
- Bal-Ram Adhikari
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada.
| | - Maduraiveeran Govindhan
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada.
| | - Aicheng Chen
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada.
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18
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Gómez-Anquela C, García-Mendiola T, Abad JM, Pita M, Pariente F, Lorenzo E. Scaffold electrodes based on thioctic acid-capped gold nanoparticles coordinated Alcohol Dehydrogenase and Azure A films for high performance biosensor. Bioelectrochemistry 2015; 106:335-42. [PMID: 26152878 DOI: 10.1016/j.bioelechem.2015.06.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Revised: 06/19/2015] [Accepted: 06/21/2015] [Indexed: 10/23/2022]
Abstract
Nanometric size gold nanoparticles capped with thiotic acid are used to coordinate with the Zn (II) present in the catalytic center of Alcohol Dehydrogenase (ADH). In combination with the NADH oxidation molecular catalyst Azure A, electrografted onto carbon screen-printed electrodes, they are used as scaffold electrodes for the construction of a very efficient ethanol biosensor. The final biosensing device exhibits a highly efficient ethanol oxidation with low overpotential of -0.25 V besides a very good analytical performance with a detection limit of 0.14±0.01 μM and a stable response for more than one month.
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Affiliation(s)
- C Gómez-Anquela
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - T García-Mendiola
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - José M Abad
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - M Pita
- Instituto de Catalisis y Petroleoquimica, CSIC. C/ Marie Curie, 2, L10., 28049 Madrid, Spain.
| | - F Pariente
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain.
| | - E Lorenzo
- Department of Analytical Chemistry, Universidad Autónoma de Madrid, 28049, Spain; IMDEA Nanociencia, Madrid, Spain.
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19
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Rust IM, Goran JM, Stevenson KJ. Amperometric Detection of Aqueous Silver Ions by Inhibition of Glucose Oxidase Immobilized on Nitrogen-Doped Carbon Nanotube Electrodes. Anal Chem 2015; 87:7250-7. [DOI: 10.1021/acs.analchem.5b01224] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Ian M. Rust
- Department
of Chemistry, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
| | - Jacob M. Goran
- Department
of Chemistry, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
| | - Keith J. Stevenson
- Department
of Chemistry, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
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20
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Goran JM, Phan ENH, Favela CA, Stevenson KJ. H2O2 Detection at Carbon Nanotubes and Nitrogen-Doped Carbon Nanotubes: Oxidation, Reduction, or Disproportionation? Anal Chem 2015; 87:5989-96. [DOI: 10.1021/acs.analchem.5b00059] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jacob M. Goran
- Department of Chemistry,
Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
| | - Ethan N. H. Phan
- Department of Chemistry,
Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
| | - Carlos A. Favela
- Department of Chemistry,
Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
| | - Keith J. Stevenson
- Department of Chemistry,
Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 105 E. 24th St. Stop A5300, Austin, Texas 78712-1224, United States
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21
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Improvement of the detection limit for biosensors: Advances on the optimization of biocomposite composition. Microchem J 2015. [DOI: 10.1016/j.microc.2014.11.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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22
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Tonle IK, Ngameni E, Tchieno FMM, Walcarius A. Organoclay-modified electrodes: preparation, characterization and recent electroanalytical applications. J Solid State Electrochem 2015. [DOI: 10.1007/s10008-014-2728-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Rangel Argote M, Sánchez Guillén E, Gutiérrez Porras AG, Serrano Torres O, Richard C, Zagal JH, Bedioui F, Gutierrez Granados S, Griveau S. Preparation and Characterization of Electrodes Modified with Pyrrole Surfactant, Multiwalled Carbon Nanotubes and Metallophthalocyanines for the Electrochemical Detection of Thiols. ELECTROANAL 2014. [DOI: 10.1002/elan.201300578] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chen A, Chatterjee S. Nanomaterials based electrochemical sensors for biomedical applications. Chem Soc Rev 2013; 42:5425-38. [PMID: 23508125 DOI: 10.1039/c3cs35518g] [Citation(s) in RCA: 476] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A growing variety of sensors have increasingly significant impacts on everyday life. Key issues to take into consideration toward the integration of biosensing platforms include the demand for minimal costs and the potential for real time monitoring, particularly for point-of-care applications where simplicity must also be considered. In light of these developmental factors, electrochemical approaches are the most promising candidate technologies due to their simplicity, high sensitivity and specificity. The primary focus of this review is to highlight the utility of nanomaterials, which are currently being studied for in vivo and in vitro medical applications as robust and tunable diagnostic and therapeutic platforms. Highly sensitive and precise nanomaterials based biosensors have opened up the possibility of creating novel technologies for the early-stage detection and diagnosis of disease related biomarkers. The attractive properties of nanomaterials have paved the way for the fabrication of a wide range of electrochemical sensors that exhibit improved analytical capacities. This review aims to provide insights into nanomaterials based electrochemical sensors and to illustrate their benefits in various key biomedical applications. This emerging discipline, at the interface of chemistry and the life sciences, offers a broad palette of opportunities for researchers with interests that encompass nanomaterials synthesis, supramolecular chemistry, controllable drug delivery and targeted theranostics in biology and medicine.
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Affiliation(s)
- Aicheng Chen
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada.
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Oliveira TMBF, Fátima Barroso M, Morais S, de Lima-Neto P, Correia AN, Oliveira MBPP, Delerue-Matos C. Biosensor based on multi-walled carbon nanotubes paste electrode modified with laccase for pirimicarb pesticide quantification. Talanta 2013; 106:137-43. [PMID: 23598106 DOI: 10.1016/j.talanta.2012.12.017] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 12/05/2012] [Accepted: 12/08/2012] [Indexed: 10/27/2022]
Abstract
This study focused on the development of a sensitive enzymatic biosensor for the determination of pirimicarb pesticide based on the immobilization of laccase on composite carbon paste electrodes. Multi-walled carbon nanotubes (MWCNTs) paste electrode modified by dispersion of laccase (3%, w/w) within the optimum composite matrix (60:40%, w/w, MWCNTs and paraffin binder) showed the best performance, with excellent electron transfer kinetic and catalytic effects related to the redox process of the substrate 4-aminophenol. No metal or anti-interference membrane was added. Based on the inhibition of laccase activity, pirimicarb can be determined in the range 9.90 × 10(-7) to 1.15 × 10(-5) mol L(-1) using 4-aminophenol as substrate at the optimum pH of 5.0, with acceptable repeatability and reproducibility (relative standard deviations lower than 5%). The limit of detection obtained was 1.8 × 10(-7) mol L(-1) (0.04 mg kg(-1) on a fresh weight vegetable basis). The high activity and catalytic properties of the laccase-based biosensor are retained during ca. one month. The optimized electroanalytical protocol coupled to the QuEChERS methodology were applied to tomato and lettuce samples spiked at three levels; recoveries ranging from 91.0 ± 0.1% to 101.0 ± 0.3% were attained. No significant effects in the pirimicarb electroanalysis were observed by the presence of pro-vitamin A, vitamins B1 and C, and glucose in the vegetable extracts. The proposed biosensor-based pesticide residue methodology fulfills all requisites to be used in implementation of food safety programs.
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Affiliation(s)
- Thiago M B F Oliveira
- REQUIMTE, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. Bernardino de Almeida 431, 4200-072 Porto, Portugal
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Washe AP, Lozano-Sánchez P, Bejarano-Nosas D, Katakis I. Facile and versatile approaches to enhancing electrochemical performance of screen printed electrodes. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2012.12.110] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kowalewska B, Kulesza PJ. Toward More Efficient Bioelectrocatalytic Oxidation of Ethanol for Amperometric Sensing and Biofuel Cell Technology. Anal Chem 2012; 84:9564-71. [DOI: 10.1021/ac3021328] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Barbara Kowalewska
- Department of Chemistry, University of Warsaw, Pasteura 1, PL-02-093 Warsaw, Poland
| | - Pawel J. Kulesza
- Department of Chemistry, University of Warsaw, Pasteura 1, PL-02-093 Warsaw, Poland
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Moreno-Guzmán M, Agüí L, González-Cortés A, Yáñez-Sedeño P, Pingarrón JM. Gold nanoparticles/carbon nanotubes/ionic liquid microsized paste electrode for the determination of cortisol and androsterone hormones. J Solid State Electrochem 2012. [DOI: 10.1007/s10008-012-1868-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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References. Anal Chem 2012. [DOI: 10.1201/b11478-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kowalewska B, Kulesza PJ. Development of an Integrated System for Immobilization and Mediating Charge to Alcohol Dehydrogenase During Bioelectrocatalytic Oxidation and Detection of Ethanol. ELECTROANAL 2012. [DOI: 10.1002/elan.201100498] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Šljukić B, Stojković I, Cvijetićanin N, Ćirić-Marjanović G. Hydrogen peroxide sensing at MnO2/carbonized nanostructured polyaniline electrode. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2011. [DOI: 10.1134/s0036024411130279] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Goran JM, Lyon JL, Stevenson KJ. Amperometric Detection of l-Lactate Using Nitrogen-Doped Carbon Nanotubes Modified with Lactate Oxidase. Anal Chem 2011; 83:8123-9. [DOI: 10.1021/ac2016272] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jacob M. Goran
- Department of Chemistry and Biochemistry, Center for Electrochemistry, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 1 University Station, A5300, Austin, Texas 78712, United States
| | - Jennifer L. Lyon
- Department of Chemistry and Biochemistry, Center for Electrochemistry, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 1 University Station, A5300, Austin, Texas 78712, United States
| | - Keith J. Stevenson
- Department of Chemistry and Biochemistry, Center for Electrochemistry, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, 1 University Station, A5300, Austin, Texas 78712, United States
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Zhang M, Gorski W. Amperometric Ethanol Biosensors Based on Chitosan-NAD+-Alcohol Dehydrogenase Films. ELECTROANAL 2011. [DOI: 10.1002/elan.201100078] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Yu P, Zhou H, Cheng H, Qian Q, Mao L. Rational design and one-step formation of multifunctional gel transducer for simple fabrication of integrated electrochemical biosensors. Anal Chem 2011; 83:5715-20. [PMID: 21644589 DOI: 10.1021/ac200942a] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This study demonstrates a new strategy to simplify the biosensor fabrication and thus minimize the biosensor-to-biosensor deviation through rational design and one-step formation of a multifunctional gel electronic transducer integrating all elements necessitated for efficiently transducing the biorecognition events to signal readout, by using glucose dehydrogenase (GDH) based electrochemical biosensor as an example. To meet the requirements for preparing integrated biosensors and retaining electronic and ionic conductivities for electronically transducing process, ionic liquids (ILs) with enzyme cofactor (i.e., oxidized form of nicotinamide adenine dinucleotide) as the anion were synthesized and used to form a bucky gel with single-walled carbon nanotubes, in which methylene green electrocatalyst was stably encapsulated for the oxidation of nicotinamide adenine dinucleotide. With such kind of rationally designed and one-step-formed multifunctional gel as the electronic transducer, the GDH-based electrochemical biosensors were simply fabricated by polishing the electrodes onto the gel followed by enzyme immobilization. This capability greatly simplifies the biosensor fabrication, prolongs the stability of the biosensors, and, more remarkably, minimizes the biosensor-to-biosensor deviation. The relative standard deviations obtained both with one electrode for the repeated measurements of glucose and with the different electrodes prepared with the same method for the concurrent measurements of glucose with the same concentration were 3.30% (n = 7) and 4.70% (n = 6), respectively. These excellent properties of the multifunctional gel-based biosensors substantially enable them to well-satisfy the pressing need of rapid measurements, for example, environmental monitoring, food analysis, and clinical diagnoses.
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Affiliation(s)
- Ping Yu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, The Chinese Academy of Sciences, Beijing, P R China
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Shim JH, Lee JS, Cha GS, Nam HH. Electroanalytical Applications Based on Carbon Nanotube/Prussian Blue Screen-printable Composite. B KOREAN CHEM SOC 2010. [DOI: 10.5012/bkcs.2010.31.6.1583] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Jemelkova Z, Barek J, Zima J. Determination of Epinephrine at Different Types of Carbon Paste Electrodes. ANAL LETT 2010. [DOI: 10.1080/00032710903518773] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Yang D, Zhu L, Jiang X. Electrochemical reaction mechanism and determination of Sudan I at a multi wall carbon nanotubes modified glassy carbon electrode. J Electroanal Chem (Lausanne) 2010. [DOI: 10.1016/j.jelechem.2009.12.022] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Zhang WD, Chen J, Jiang LC, Yu YX, Zhang JQ. A highly sensitive nonenzymatic glucose sensor based on NiO-modified multi-walled carbon nanotubes. Mikrochim Acta 2010. [DOI: 10.1007/s00604-010-0288-2] [Citation(s) in RCA: 149] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Pumera M. Enzymatic detection based on carbon nanotubes. Methods Mol Biol 2010; 625:197-204. [PMID: 20422391 DOI: 10.1007/978-1-60761-579-8_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We describe in this chapter the preparation of simple and cheap carbon nanotube-based biosensor for sensing of glucose. Such biosensor is based on coupling carbon nanotubes and glucose oxidase.
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Affiliation(s)
- Martin Pumera
- Biomaterial Systems Group, Biomaterials Center and International Center for Materials Nanoarchitectonics (MANA), Tsukuba, Ibaraki, Japan.
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Lozano M, Rodríguez M, Herrasti P, Galicia L, Rivas G. Amperometric Response of Hydrogen Peroxide at Carbon Nanotubes Paste Electrodes Modified with an Electrogenerated Poly(Fe(III)-5-amino-phenantroline). Analytical Applications for Glucose Biosensing. ELECTROANAL 2009. [DOI: 10.1002/elan.200900359] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
AbstractIn this review (with 500 refs), both electrochemistry and electroanalysis with carbon paste-based electrodes, sensors, and detectors are of interest, when attention is focused on the research activities in the years of new millennium. Concerned are all important aspects of the field, from fundamental investigations with carbon paste as the electrode material, via laboratory examination of the first electrode prototypes, basic and advanced studies of various electrode processes and other phenomena, up to practical applications to the determination of inorganic ions, complexes, and molecules. The latter is presented in a series of extensive tables, offering a nearly complete survey of methods published within the period of 2001–2008. Finally, the latest trends and outstanding achievements are also outlined and future prospects given.
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Manivannan S, Ramaraj R. Core-shell Au/Ag nanoparticles embedded in silicate sol-gel network for sensor application towards hydrogen peroxide. J CHEM SCI 2009. [DOI: 10.1007/s12039-009-0088-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Enhancement of electrochemical properties of screen-printed carbon electrodes by oxygen plasma treatment. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.04.006] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Serafín V, Agüí L, Yáñez-Sedeño P, Pingarrón J. Glucosinolate Amperometric Bienzyme Biosensor Based on Carbon Nanotubes-Gold Nanoparticles Composite Electrodes. ELECTROANAL 2009. [DOI: 10.1002/elan.200904574] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Morton J, Havens N, Mugweru A, Wanekaya A. Detection of Trace Heavy Metal Ions Using Carbon Nanotube- Modified Electrodes. ELECTROANAL 2009. [DOI: 10.1002/elan.200904588] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Švancara I, Vytřas K, Kalcher K, Walcarius A, Wang J. Carbon Paste Electrodes in Facts, Numbers, and Notes: A Review on the Occasion of the 50-Years Jubilee of Carbon Paste in Electrochemistry and Electroanalysis. ELECTROANAL 2009. [DOI: 10.1002/elan.200804340] [Citation(s) in RCA: 489] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Gouveia-Caridade C, Pauliukaite R, Brett CM. Development of electrochemical oxidase biosensors based on carbon nanotube-modified carbon film electrodes for glucose and ethanol. Electrochim Acta 2008. [DOI: 10.1016/j.electacta.2008.01.040] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Lu J, Do I, Drzal LT, Worden RM, Lee I. Nanometal-decorated exfoliated graphite nanoplatelet based glucose biosensors with high sensitivity and fast response. ACS NANO 2008; 2:1825-32. [PMID: 19206421 DOI: 10.1021/nn800244k] [Citation(s) in RCA: 190] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
We report the novel fabrication of a highly sensitive, selective, fast responding, and affordable amperometric glucose biosensor using exfoliated graphite nanoplatelets (xGnPs) decorated with Pt and Pd nanoparticles. Nafion was used to solubilize metal-decorated graphite nanoplatelets, and a simple cast method with high content organic solvent (85 wt %) was used to prepare the biosensors. The addition of precious metal nanoparticles such as platinum (Pt) and palladium (Pd) to xGnP increased the electroactive area of the electrode and substantially decreased the overpotential in the detection of hydrogen peroxide. The Pt-xGnP glucose biosensor had a sensitivity of 61.5+/-0.6 microA/(mM x cm(2)) and gave a linear response up to 20 mM. The response time and detection limit (S/N=3) were determined to be 2 s and 1 microM, respectively. Therefore, this novel glucose biosensor based on the Pt nanoparticle coated xGnP is among the best reported to date in both sensing performance and production cost. In addition, the effects of metal nanoparticle loading and the particle size on the biosensor performance were systematically investigated.
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Affiliation(s)
- Jue Lu
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824-1226, USA
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Qiu JD, Wang R, Liang RP, Xiong M. Synthesis and Characterization of MWNTs/Au NPs/HS(CH2)6Fc Nanocomposite: Application to Electrochemical Determination of Ascorbic Acid. ELECTROANAL 2008. [DOI: 10.1002/elan.200804252] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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