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Kuznetsova LS, Arlyapov VA, Plekhanova YV, Tarasov SE, Kharkova AS, Saverina EA, Reshetilov AN. Conductive Polymers and Their Nanocomposites: Application Features in Biosensors and Biofuel Cells. Polymers (Basel) 2023; 15:3783. [PMID: 37765637 PMCID: PMC10536614 DOI: 10.3390/polym15183783] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Conductive polymers and their composites are excellent materials for coupling biological materials and electrodes in bioelectrochemical systems. It is assumed that their relevance and introduction to the field of bioelectrochemical devices will only grow due to their tunable conductivity, easy modification, and biocompatibility. This review analyzes the main trends and trends in the development of the methodology for the application of conductive polymers and their use in biosensors and biofuel elements, as well as describes their future prospects. Approaches to the synthesis of such materials and the peculiarities of obtaining their nanocomposites are presented. Special emphasis is placed on the features of the interfaces of such materials with biological objects.
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Affiliation(s)
- Lyubov S. Kuznetsova
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia
| | - Vyacheslav A. Arlyapov
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia
| | - Yulia V. Plekhanova
- Federal Research Center «Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences», G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Sergei E. Tarasov
- Federal Research Center «Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences», G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Anna S. Kharkova
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia
| | - Evgeniya A. Saverina
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia
- Federal State Budgetary Institution of Science, N.D. Zelinsky Institute of Organic Chemistry, 119991 Moscow, Russia
| | - Anatoly N. Reshetilov
- Federal Research Center «Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences», G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, 142290 Pushchino, Russia
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Demkiv O, Nogala W, Stasyuk N, Grynchyshyn N, Vus B, Gonchar M. The Peroxidase-like Nanocomposites as Hydrogen Peroxide-Sensitive Elements in Cholesterol Oxidase-Based Biosensors for Cholesterol Assay. J Funct Biomater 2023; 14:315. [PMID: 37367279 DOI: 10.3390/jfb14060315] [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: 05/05/2023] [Revised: 05/31/2023] [Accepted: 06/05/2023] [Indexed: 06/28/2023] Open
Abstract
Catalytically active nanomaterials, in particular, nanozymes, are promising candidates for applications in biosensors due to their excellent catalytic activity, stability and cost-effective preparation. Nanozymes with peroxidase-like activities are prospective candidates for applications in biosensors. The purpose of the current work is to develop cholesterol oxidase-based amperometric bionanosensors using novel nanocomposites as peroxidase (HRP) mimetics. To select the most electroactive chemosensor on hydrogen peroxide, a wide range of nanomaterials were synthesized and characterized using cyclic voltammetry (CV) and chronoamperometry. Pt NPs were deposited on the surface of a glassy carbon electrode (GCE) in order to improve the conductivity and sensitivity of the nanocomposites. The most HRP-like active bi-metallic CuFe nanoparticles (nCuFe) were placed on a previously nano-platinized electrode, followed by conjugation of cholesterol oxidase (ChOx) in a cross-linking film formed by cysteamine and glutaraldehyde. The constructed nanostructured bioelectrode ChOx/nCuFe/nPt/GCE was characterized by CV and chronoamperometry in the presence of cholesterol. The bionanosensor (ChOx/nCuFe/nPt/GCE) shows a high sensitivity (3960 A·M-1·m-2) for cholesterol, a wide linear range (2-50 µM) and good storage stability at a low working potential (-0.25 V vs. Ag/AgCl/3 M KCl). The constructed bionanosensor was tested on a real serum sample. A detailed comparative analysis of the bioanalytical characteristics of the developed cholesterol bionanosensor and the known analogs is presented.
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Affiliation(s)
- Olha Demkiv
- Institute of Cell Biology, National Academy of Sciences of Ukraine, 79005 Lviv, Ukraine
- Faculty of Veterinary Hygiene, Ecology and Law, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies, 79000 Lviv, Ukraine
| | - Wojciech Nogala
- Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
| | - Nataliya Stasyuk
- Institute of Cell Biology, National Academy of Sciences of Ukraine, 79005 Lviv, Ukraine
| | - Nadiya Grynchyshyn
- Faculty of Veterinary Hygiene, Ecology and Law, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies, 79000 Lviv, Ukraine
| | - Bohdan Vus
- Department of Electronics and Information Technology, Lviv Polytechnic National University, 79000 Lviv, Ukraine
| | - Mykhailo Gonchar
- Institute of Cell Biology, National Academy of Sciences of Ukraine, 79005 Lviv, Ukraine
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3
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Electrochemical devices for cholesterol detection. J Pharm Biomed Anal 2023; 224:115195. [PMID: 36493575 DOI: 10.1016/j.jpba.2022.115195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/11/2022]
Abstract
Cholesterol can be considered as a biomarker of illnesses such as heart and coronary artery diseases or arteriosclerosis. Therefore, the fast determination of its concentration in blood is interesting as a means of achieving an early diagnosis of these unhealthy conditions. Electrochemical sensors and biosensors have become a potential tool for selective and sensitive detection of this biomolecule, combining the analytical advantages of electrochemical techniques with the selective recognition features of modified electrodes. This review covers the different approaches carried out in the development of electrochemical sensors for cholesterol, differentiating between enzymatic biosensors and non-enzymatic systems, highlighting lab-on-a-chip devices. A description of the different modification procedures of the working electrode has been included and the role of the different functional materials used has been discussed.
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Deivanayaki S, Jayamurugan P, Ashokan S, Gopala Krishnan V, Yogeswari B, Ubaidullah M, pandit B, Sarma G, Narsetti HK. Growth of non-enzymatic cholesterol biosensor using TiO2 decorated graphene oxide with bare GCE and PPy-GCE. J INDIAN CHEM SOC 2023. [DOI: 10.1016/j.jics.2023.100906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Wu S, Jiang M, Mao H, Zhao N, He D, Chen Q, Liu D, Zhang W, Song XM. A sensitive cholesterol electrochemical biosensor based on biomimetic cerasome and graphene quantum dots. Anal Bioanal Chem 2022; 414:3593-3603. [PMID: 35217877 DOI: 10.1007/s00216-022-03986-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/14/2022] [Accepted: 02/22/2022] [Indexed: 11/28/2022]
Abstract
A simple and sensitive electrochemical cholesterol biosensor was fabricated based on ceramic-coated liposome (cerasome) and graphene quantum dots (GQDs) with good conductivity. The cerasome consists of a lipid-bilayer membrane and a ceramic surface as a soft biomimetic interface, and the mild layer-by-layer self-assembled method as the immobilization strategy on the surface of the modified electrode was used, which can provide good biocompatibility to maintain the biological activity of cholesterol oxidase (ChOx). The GQDs promoted electron transport between the enzyme and the electrode more effectively. The structure of the cerasome-forming lipid was characterized by Fourier transform infrared (FT-IR). The morphology and characteristics of the cerasome and GQDs were characterized by transmission electron microscopy (TEM), zeta potential, photoluminescence spectra (PL), etc. The proposed biosensors revealed excellent catalytic performance to cholesterol with a linear concentration range of 16.0 × 10-6-6.186 × 10-3 mol/L, with a low detection limit (LOD) of 5.0 × 10-6 mol/L. The Michaelis-Menten constant (Km) of ChOx was 5.46 mmol/L, indicating that the immobilized ChOx on the PEI/GQDs/PEI/cerasome-modified electrode has a good affinity to cholesterol. Moreover, the as-fabricated electrochemical biosensor exhibited good stability, anti-interference ability, and practical application for cholesterol detection.
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Affiliation(s)
- Shuyao Wu
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Meijiao Jiang
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Hui Mao
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Nan Zhao
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Dongqing He
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Qinan Chen
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Daliang Liu
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Wei Zhang
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China
| | - Xi-Ming Song
- Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, China.
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Gold nanoparticles/single-stranded DNA-reduced graphene oxide nanocomposites based electrochemical biosensor for highly sensitive detection of cholesterol. Front Chem Sci Eng 2021. [DOI: 10.1007/s11705-021-2112-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Yagati AK, Behrent A, Tomanek V, Chavan SG, Go A, Park SR, Jin Z, Baeumner AJ, Lee MH. Polypyrrole-palladium nanocomposite as a high-efficiency transducer for thrombin detection with liposomes as a label. Anal Bioanal Chem 2021; 414:3205-3217. [PMID: 34617153 DOI: 10.1007/s00216-021-03673-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/13/2021] [Accepted: 09/16/2021] [Indexed: 11/25/2022]
Abstract
Sensitive and selective determination of protein biomarkers with high accuracy often remains a great challenge due to their existence in the human body at an exceptionally low concentration level. Therefore, sensing mechanisms that are easy to use, simple, and capable of accurate quantification of analyte are still in development to detect biomarkers at a low concentration level. To meet this end, we demonstrated a methodology to detect thrombin in serum at low concentration levels using polypyrrole (PPy)-palladium (Pd)nanoparticle-based hybrid transducers using liposomes encapsulated redox marker as a label. The morphology of Ppy-Pd composites was characterized by scanning electron microscopy, and the hybrid structure provided excellent binding and detection platform for thrombin detection in both buffer and serum solutions. For quantitative measurement of thrombin in PBS and serum, the change in current was monitored using differential pulse voltammetry, and the calculated limit of quantification (LOQ) and limit of detection (LOD) for the linear segment (0.1-1000 nM of thrombin) were 1.1 pM and 0.3 pM, in serum, respectively. The sensors also exhibited good stability and excellent selectivity towards the detection of thrombin, and thus make it a strong candidate for adopting its sensing applications in biomarker detection technologies.
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Affiliation(s)
- Ajay Kumar Yagati
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-Gu, 06974, Seoul, Republic of Korea
- Institute of Analytical Chemistry, Chemo-and Biosensors, Faculty of Chemistry and Pharmacy, University of Regensburg, 31, 93053, Regensburg, Germany
| | - Arne Behrent
- Institute of Analytical Chemistry, Chemo-and Biosensors, Faculty of Chemistry and Pharmacy, University of Regensburg, 31, 93053, Regensburg, Germany
| | - Vanessa Tomanek
- Institute of Analytical Chemistry, Chemo-and Biosensors, Faculty of Chemistry and Pharmacy, University of Regensburg, 31, 93053, Regensburg, Germany
| | - Sachin Ganpat Chavan
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-Gu, 06974, Seoul, Republic of Korea
| | - Anna Go
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-Gu, 06974, Seoul, Republic of Korea
| | - Sung Ryul Park
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-Gu, 06974, Seoul, Republic of Korea
| | - Zhengzhi Jin
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-Gu, 06974, Seoul, Republic of Korea
| | - Antje J Baeumner
- Institute of Analytical Chemistry, Chemo-and Biosensors, Faculty of Chemistry and Pharmacy, University of Regensburg, 31, 93053, Regensburg, Germany.
| | - Min-Ho Lee
- School of Integrative Engineering, Chung-Ang University, Heukseok-dong, Dongjak-Gu, 06974, Seoul, Republic of Korea.
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Pramanik K, Sengupta P, Dasgupta S, Datta P, Sarkar P. Electrochemical Column Cell for Continuous Oxidative Inactivation of Pathogens and Reductive Removal of Toxic Heavy Metals. ACS APPLIED MATERIALS & INTERFACES 2021; 13:32402-32414. [PMID: 34184866 DOI: 10.1021/acsami.1c04471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A solar-driven electrochemical column (EC) was developed for cathodic sequestration remediation of heavy metals (HMs) and anodic electroporative inactivation of pathogenic bacteria (PB) with continuous flow capacity for sustainable production of drinking water from wastewater. The method produces "revitalized drinking water" by keeping its natural mineral nutrients boosted with dissolved oxygen. The EC was constructed with graphene oxide (GO) synthesized via photoassisted electrochemical oxidation of CF (PEGO-CF) as the cathode and phytoreduced GO (RPEGO-CF) as the anode. In the EC, effluent is passed upward through the microchannel of CF electrodes to obtain a higher contact time with water molecules, enabling deposition of HMs and oxidative inactivation of PB, collectively termed electroadsorptive dialysis (EAD). PEGO-CF and RPEGO-CF stacked inside the EC resulted in the increased surface area and thereby the removal efficiency. Reactive oxygen species (ROS) produced at the anode damaged the bacterial cell sheath, while the oxygen functional group and the cathodic negative potential had a concurrent effect in "sequestration" of HMs. Density functional calculations showed that PEGO might transfer an electron from the highest occupied molecular orbital (HOMO) to the lowest unoccupied molecular orbital (LUMO) under applied negative potential leading to internal system crossing to the vacant d-orbitals of HMs, allowing for simultaneous coordination and deposition. The EC produced 313 L of revitalized water from wastewater augmented with 500 μg L-1 HMs and 107 CFU mL-1 pathogenic bacteria (Escherichia coli and Staphylococcus aureus). Only a 3.6 J energy investment produced 1 L of revitalized water, which is ∼2000 times less than the usual energy consumption by electroporation and the lowest value obtained to date for bacterial inactivation with heavy metal removal. Laboratory-to-industrial scale-up calculations were performed for this water-purifying technology involving a water-energy nexus, promising high-efficiency bacterial inactivation, and HM remediation to obtain energy-efficient clean and revitalized water.
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Affiliation(s)
- Krishnendu Pramanik
- Bioelectrochemical Laboratory, Calcutta Institute of Technology, Banitabla, Howrah 711316, West Bengal, India
| | - Pavel Sengupta
- Bioelectrochemical Laboratory, Calcutta Institute of Technology, Banitabla, Howrah 711316, West Bengal, India
| | - Shalini Dasgupta
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Pallab Datta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Kolkata 700054, West Bengal, India
| | - Priyabrata Sarkar
- Bioelectrochemical Laboratory, Calcutta Institute of Technology, Banitabla, Howrah 711316, West Bengal, India
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9
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Electrochemical inspection of polypyrrole/chitosan/zinc oxide hybrid composites. J Appl Polym Sci 2020. [DOI: 10.1002/app.49561] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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10
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Xu X, Zhao Y, Tan H, Ma Y, Li Y. In situ encapsulation of horseradish peroxidase in zeolitic imidazolate framework-8 enables catalyzing luminol reaction under near-neutral conditions for sensitive chemiluminescence determination of cholesterol. Mikrochim Acta 2020; 187:346. [PMID: 32458118 DOI: 10.1007/s00604-020-04313-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 05/08/2020] [Indexed: 11/25/2022]
Abstract
HRP@ZIF-8 nanocomposite was prepared by in situ encapsulation of horseradish peroxidase (HRP) in the frame of zeolitic imidazolate framework-8 (ZIF-8) with a simple one-pot method. The HRP@ZIF-8 nanocomposite displays outstanding thermal stability and efficiently catalyzes the chemiluminescence (CL) reaction of luminol with hydrogen peroxide (H2O2) under near-neutral pH condition (pH 7-8). This CL system has a good response to H2O2 with a linear range of 0.1-100.0 μmol L-1. The limit of detection (LOD) is 0.06 μmol L-1 H2O2. By marriage with cholesterol oxidase, cholesterol is determined with a linear range from 0.1 to 100.0 μmol L-1 and a LOD of 0.04 μmol L-1. The relative standard deviations (RSD) are 1.7% and 2.5%, respectively, in 11 repeated measurements of 50.0 μmol L-1 solutions of H2O2 and cholesterol, indicating excellent precision of the method. The method shows good selectivity and has been applied to the determination of total cholesterol in real serum samples. No significant difference has been observed between the results obtained by this method and the cholesterol oxidase-peroxidase coupling method. Graphical abstract Schematic presentation of in situ one-pot synthesis of horseradish peroxidase@zeolitic imidazolate framework-8 (HRP@ZIF-8) nanocomposite and chemiluminescence determination of cholesterol with HRP@ZIF-8 catalyzing luminol-H2O2 system.
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Affiliation(s)
- Xiaotong Xu
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yaxin Zhao
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Haonan Tan
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yuyu Ma
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yinhuan Li
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710049, China.
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Selectivity of cholesterol-imprinted system on self-assembled monolayer. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-019-0434-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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12
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Roy A, Majumdar P, Sengupta P, Kundu S, Shinde S, Jha A, Pramanik K, Saha H. A photoelectrochemical supercapacitor based on a single BiVO4-RGO bilayer photocapacitive electrode. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135170] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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13
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Thangamuthu M, Hsieh KY, Kumar PV, Chen GY. Graphene- and Graphene Oxide-Based Nanocomposite Platforms for Electrochemical Biosensing Applications. Int J Mol Sci 2019; 20:E2975. [PMID: 31216691 PMCID: PMC6628170 DOI: 10.3390/ijms20122975] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/01/2019] [Accepted: 06/04/2019] [Indexed: 12/14/2022] Open
Abstract
Graphene and its derivatives such as graphene oxide (GO) and reduced GO (rGO) offer excellent electrical, mechanical and electrochemical properties. Further, due to the presence of high surface area, and a rich oxygen and defect framework, they are able to form nanocomposites with metal/semiconductor nanoparticles, metal oxides, quantum dots and polymers. Such nanocomposites are becoming increasingly useful as electrochemical biosensing platforms. In this review, we present a brief introduction on the aforementioned graphene derivatives, and discuss their synthetic strategies and structure-property relationships important for biosensing. We then highlight different nanocomposite platforms that have been developed for electrochemical biosensing, introducing enzymatic biosensors, followed by non-enzymatic biosensors and immunosensors. Additionally, we briefly discuss their role in the emerging field of biomedical cell capture. Finally, a brief outlook on these topics is presented.
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Affiliation(s)
- Madasamy Thangamuthu
- Nanophotonics and Metrology Laboratory (NAM), Swiss Federal Institute of Technology Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Kuan Yu Hsieh
- Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 300, Taiwan.
- Department of Electrical and Computer Engineering, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 300, Taiwan.
| | - Priyank V Kumar
- School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia.
| | - Guan-Yu Chen
- Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 300, Taiwan.
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu 300, Taiwan.
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Pramanik K, Sarkar P, Bhattacharyay D. Semi-quantitative colorimetric and supersensitive electrochemical sensors for mercury using rhodamine b hydrazide thio derivative. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.11.120] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Krishnan SK, Singh E, Singh P, Meyyappan M, Nalwa HS. A review on graphene-based nanocomposites for electrochemical and fluorescent biosensors. RSC Adv 2019; 9:8778-8881. [PMID: 35517682 PMCID: PMC9062009 DOI: 10.1039/c8ra09577a] [Citation(s) in RCA: 264] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 02/15/2019] [Indexed: 12/16/2022] Open
Abstract
Biosensors with high sensitivity, selectivity and a low limit of detection, reaching nano/picomolar concentrations of biomolecules, are important to the medical sciences and healthcare industry for evaluating physiological and metabolic parameters.
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Affiliation(s)
- Siva Kumar Krishnan
- CONACYT-Instituto de Física
- Benemérita Universidad Autónoma de Puebla
- Puebla 72570
- Mexico
| | - Eric Singh
- Department of Computer Science
- Stanford University
- Stanford
- USA
| | - Pragya Singh
- Department of Electrical Engineering and Computer Science
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
| | - Meyya Meyyappan
- Center for Nanotechnology
- NASA Ames Research Center
- Moffett Field
- Mountain View
- USA
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