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Amjad Z, Terzyk AP, Boncel S. Covalent functionalization of 1D and 2D sp 2-carbon nanoallotropes - twelve years of progress (2011-2023). NANOSCALE 2024. [PMID: 38651798 DOI: 10.1039/d3nr06413a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Carbon nanoallotropes have attracted significant attention in the field of materials science due to their unique combination of physicochemical and biological properties, with numerous applications. One-dimensional (1D) and two-dimensional (2D) sp2-carbon nanoallotropes, such as carbon nanohorns (CNHs), carbon nanotubes (CNTs), and graphene, have emerged as prominent candidates for a variety of technological advancements. To fully exploit their exceptional characteristics, the covalent functionalization of these nanostructures may alleviate the problems with the processing and final performance. This route of the carbon nanoallotrope functionalization is based on a covalent attachment of functional groups or molecules (via linkers of various strengths) to their surfaces, enabling precise control over physical, chemical, biological, and electronic properties. Such an approach opens up new avenues for tailoring the nanoallotrope characteristics, such as solubility/dispersibility, reactivity, and interactions with other materials. Over more than the last decade, significant progress has been made in the covalent functionalization of both 1D and 2D sp2-carbon nanoallotropes, paving the way for diverse applications in the nanoelectronics, energy storage, sensing, and biomedical fields. In this comprehensive review, we provide state-of-the-art advancements and achievements in the covalent functionalization of 1D and 2D sp2-carbon nanoallotropes during the past dozen years. We aim to highlight the key strategies, methodologies, and breakthroughs that have significantly contributed to this field. Eventually, we discuss the implications of those advancements and explore the opportunities for future research and applications.
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Affiliation(s)
- Zunaira Amjad
- Silesian University of Technology, Faculty of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, NanoCarbon Group, Bolesława Krzywoustego 4, 44-100 Gliwice, Poland.
| | - Artur P Terzyk
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Physicochemistry of Carbon Materials Research Group, Gagarin Street 7, 87-100 Toruń, Poland
| | - Sławomir Boncel
- Silesian University of Technology, Faculty of Chemistry, Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, NanoCarbon Group, Bolesława Krzywoustego 4, 44-100 Gliwice, Poland.
- Silesian University of Technology, Centre for Organic and Nanohybrid Electronics (CONE), Stanisława Konarskiego 22B, 44-100 Gliwice, Poland
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Juang RS, Hsieh CT, Liu CM, Lin TA, Gandomi YA. Electrochemical detection of parathyroid hormone using graphene-incorporated conductive polymer decorated with MoS2 nanoparticles. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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3
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Click-Functionalization of Silanized Carbon Nanotubes: From Inorganic Heterostructures to Biosensing Nanohybrids. Molecules 2023; 28:molecules28052161. [PMID: 36903408 PMCID: PMC10004328 DOI: 10.3390/molecules28052161] [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: 01/13/2023] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023] Open
Abstract
Here we present an approach to functionalize silanized single-walled carbon nanotubes (SWNTs) through copper-free click chemistry for the assembly of inorganic and biological nanohybrids. The nanotube functionalization route involves silanization and strain-promoted azide-alkyne cycloaddition reactions (SPACC). This was characterized by X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy, Raman spectroscopy and Fourier transform infra-red spectroscopy. Silane-azide-functionalized SWNTs were immobilized from solution onto patterned substrates through dielectrophoresis (DEP). We demonstrate the general applicability of our strategy for the functionalization of SWNTs with metal nanoparticles (gold nanoparticles), fluorescent dyes (Alexa Fluor 647) and biomolecules (aptamers). In this regard, dopamine-binding aptamers were conjugated to the functionalized SWNTs to perform real-time detection of dopamine at different concentrations. Additionally, the chemical route is shown to selectively functionalize individual nanotubes grown on the surface of silicon substrates, contributing towards future nano electronic device applications.
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Blueprint for Impedance-based Electrochemical Biosensors as Bioengineered Tools in the Field of Nano-Diagnostics. CURRENT RESEARCH IN BIOTECHNOLOGY 2022. [DOI: 10.1016/j.crbiot.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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5
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Ferrier DC, Honeychurch KC. Carbon Nanotube (CNT)-Based Biosensors. BIOSENSORS 2021; 11:bios11120486. [PMID: 34940243 PMCID: PMC8699144 DOI: 10.3390/bios11120486] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/24/2021] [Accepted: 11/26/2021] [Indexed: 05/28/2023]
Abstract
This review focuses on recent advances in the application of carbon nanotubes (CNTs) for the development of sensors and biosensors. The paper discusses various configurations of these devices, including their integration in analytical devices. Carbon nanotube-based sensors have been developed for a broad range of applications including electrochemical sensors for food safety, optical sensors for heavy metal detection, and field-effect devices for virus detection. However, as yet there are only a few examples of carbon nanotube-based sensors that have reached the marketplace. Challenges still hamper the real-world application of carbon nanotube-based sensors, primarily, the integration of carbon nanotube sensing elements into analytical devices and fabrication on an industrial scale.
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Affiliation(s)
- David C. Ferrier
- Institute of Bio-Sensing Technology, Frenchay Campus, University of the West of England, Bristol BS16 1QY, UK;
| | - Kevin C. Honeychurch
- Institute of Bio-Sensing Technology, Frenchay Campus, University of the West of England, Bristol BS16 1QY, UK;
- Centre for Research in Biosciences, Frenchay Campus, Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK
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6
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Yang H, Xu W, Liang X, Yang Y, Zhou Y. Carbon nanotubes in electrochemical, colorimetric, and fluorimetric immunosensors and immunoassays: a review. Mikrochim Acta 2020; 187:206. [DOI: 10.1007/s00604-020-4172-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/18/2020] [Indexed: 12/14/2022]
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7
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Cho IH, Kim DH, Park S. Electrochemical biosensors: perspective on functional nanomaterials for on-site analysis. Biomater Res 2020; 24:6. [PMID: 32042441 PMCID: PMC7001310 DOI: 10.1186/s40824-019-0181-y] [Citation(s) in RCA: 212] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 12/29/2019] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND The electrochemical biosensor is one of the typical sensing devices based on transducing the biochemical events to electrical signals. In this type of sensor, an electrode is a key component that is employed as a solid support for immobilization of biomolecules and electron movement. Thanks to numerous nanomaterials that possess the large surface area, synergic effects are enabled by improving loading capacity and the mass transport of reactants for achieving high performance in terms of analytical sensitivity. MAIN BODY We categorized the current electrochemical biosensors into two groups, carbon-based (carbon nanotubes and graphene) and non-carbon-based nanomaterials (metallic and silica nanoparticles, nanowire, and indium tin oxide, organic materials). The carbon allotropes can be employed as an electrode and supporting scaffolds due to their large active surface area as well as an effective electron transfer rate. We also discussed the non-carbon nanomaterials that are used as alternative supporting components of the electrode for improving the electrochemical properties of biosensors. CONCLUSION Although several functional nanomaterials have provided the innovative solid substrate for high performances, developing on-site version of biosensor that meets enough sensitivity along with high reproducibility still remains a challenge. In particular, the matrix interference from real samples which seriously affects the biomolecular interaction still remains the most critical issues that need to be solved for practical aspect in the electrochemical biosensor.
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Affiliation(s)
- Il-Hoon Cho
- Department of Biomedical Laboratory Science, College of Health Science, Eulji University, Seongnam, 13135 Republic of Korea
| | - Dong Hyung Kim
- Division of Advanced Instrumentation Institute, Korea Research Institute of Standards and Science (KRISS), 267 Gajeong-Ro, Yuseong-Gu, Daejeon, 34113 Republic of Korea
| | - Sangsoo Park
- Department of Biomedical Engineering, College of Health Science, Eulji University, Seongnam, 13135 Republic of Korea
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Yáñez-Sedeño P, González-Cortés A, Campuzano S, Pingarrón JM. Copper(I)-Catalyzed Click Chemistry as a Tool for the Functionalization of Nanomaterials and the Preparation of Electrochemical (Bio)Sensors. SENSORS (BASEL, SWITZERLAND) 2019; 19:E2379. [PMID: 31137612 PMCID: PMC6566994 DOI: 10.3390/s19102379] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/20/2019] [Accepted: 05/22/2019] [Indexed: 01/30/2023]
Abstract
Proper functionalization of electrode surfaces and/or nanomaterials plays a crucial role in the preparation of electrochemical (bio)sensors and their resulting performance. In this context, copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) has been demonstrated to be a powerful strategy due to the high yields achieved, absence of by-products and moderate conditions required both in aqueous medium and under physiological conditions. This particular chemistry offers great potential to functionalize a wide variety of electrode surfaces, nanomaterials, metallophthalocyanines (MPcs) and polymers, thus providing electrochemical platforms with improved electrocatalytic ability and allowing the stable, reproducible and functional integration of a wide range of nanomaterials and/or different biomolecules (enzymes, antibodies, nucleic acids and peptides). Considering the rapid progress in the field, and the potential of this technology, this review paper outlines the unique features imparted by this particular reaction in the development of electrochemical sensors through the discussion of representative examples of the methods mainly reported over the last five years. Special attention has been paid to electrochemical (bio)sensors prepared using nanomaterials and applied to the determination of relevant analytes at different molecular levels. Current challenges and future directions in this field are also briefly pointed out.
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Affiliation(s)
- P Yáñez-Sedeño
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - A González-Cortés
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - S Campuzano
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
| | - J M Pingarrón
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain.
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9
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Guerrero S, Cadano D, Agüí L, Barderas R, Campuzano S, Yáñez-Sedeño P, Pingarrón JM. Click chemistry-assisted antibodies immobilization for immunosensing of CXCL7 chemokine in serum. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.02.043] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Khawas K, Daripa S, Kumari P, Kuila BK. Electrochemical and Electronic Properties of Transparent Coating from Highly Solution Processable Graphene Using Block Copolymer Supramolecular Assembly: Application toward Metal Ion Sensing and Resistive Switching Memory. ACS OMEGA 2018; 3:7106-7116. [PMID: 31458872 PMCID: PMC6644669 DOI: 10.1021/acsomega.8b00883] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 06/18/2018] [Indexed: 06/10/2023]
Abstract
Here, we have discussed the preparation of a highly solution processable graphene from a novel supramolecular assembly consisting of block copolymer polystyrene-b-poly(4-vinylpyridine) (PS-b-P4VP) and pyrenebutyric acid (PBA)-modified reduced graphene oxide (RGO). The PBA molecules anchored on the graphene surface form supramolecules with PS-b-P4VP through H-bonding between the carboxylic acid group of 1-pyrenebutyric acid and the pyridine ring of P4VP. The formation of a supramolecular assembly results in a highly stable solution of reduced graphene oxide in common organic solvents, such as 1,4-dioxane and chloroform. Highly transparent and mechanically stable thin films can be deposited from these supramolecular assemblies on a relatively smooth surface of different substrates such as silicon wafer, glass, indium tin oxide, and flexible polymer substrates like poly(ethylene terephthalate). The graphene surface modifier (PBA) can be selectively removed from the thin film of the hybrid material by simple dissolution, resulting in a porous structure. Hybrid thin films of around 50 nm thickness exhibit interesting electrochemical properties with an areal capacitance value of 17.73 μF/cm2 at a current density of 2.66 μA/cm2 and good electrochemical stability. The pendent P4VP chains present in the composite thin film were further exploited for electrochemical detection of metal ions. The electrical measurement of the thin film sandwich structure of the composite shows a bipolar resistive switching memory with hysteresis-like current-voltage characteristics and electrical bistability. The OFF state shows ohmic conduction at a lower voltage and trap-free space-charge-limited current (SCLC) conduction at high voltage, whereas the ON state conduction is controlled by ohmic at low bias voltage, trap-free SCLC at moderate voltage, and tarp-assisted SCLC at high voltage.
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Affiliation(s)
- Koomkoom Khawas
- Center
for Applied Chemistry, Central University
of Jharkhand, Brambe, Ranchi 835205, Jharkhand, India
| | - Soumili Daripa
- Department
of Chemistry, Institute of Science, Banaras
Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Pallavi Kumari
- Center
for Applied Chemistry, Central University
of Jharkhand, Brambe, Ranchi 835205, Jharkhand, India
| | - Biplab Kumar Kuila
- Department
of Chemistry, Institute of Science, Banaras
Hindu University, Varanasi 221005, Uttar Pradesh, India
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11
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Nii D, Miyachi M, Shimada Y, Nozawa Y, Ito M, Homma Y, Ikehira S, Yamanoi Y, Nishihara H, Tomo T. Conjugates between photosystem I and a carbon nanotube for a photoresponse device. PHOTOSYNTHESIS RESEARCH 2017; 133:155-162. [PMID: 27864658 DOI: 10.1007/s11120-016-0324-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Accepted: 11/10/2016] [Indexed: 06/06/2023]
Abstract
Photosystem I (PS I) is a large pigment-protein complex embedded in the thylakoid membranes that performs light-driven electron transfer across the thylakoid membrane. Carbon nanotubes exhibit excellent electrical conductivities and excellent strength and stiffness. In this study, we generated PSI-carbon nanotube conjugates dispersed in a solution aimed at application in artificial photosynthesis. PS I complexes in which a carbon nanotube binding peptide was introduced into the middle of the PsaE subunit were conjugated on a single-walled carbon nanotube, orienting the electron acceptor side to the nanotube. Spectral and photoluminescence analysis showed that the PS I is bound to a single-walled carbon nanotube, which was confirmed by transmission electron microscopy. Photocurrent observation proved that the photoexcited electron originated from PSI and transferred to the carbon nanotube with light irradiation, which also confirmed its orientated conjugation. The PS I-carbon nanotube conjugate will be a useful nano-optoelectronic device for the development of artificial systems.
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Affiliation(s)
- Daisuke Nii
- Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Mariko Miyachi
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Yuichiro Shimada
- Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Yosuke Nozawa
- Department of Physics, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Masahiro Ito
- Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Yoshikazu Homma
- Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Shu Ikehira
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Yoshinori Yamanoi
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hiroshi Nishihara
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Tatsuya Tomo
- Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan.
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12
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Sánchez-Tirado E, González-Cortés A, Yáñez-Sedeño P, Pingarrón JM. Carbon nanotubes functionalized by click chemistry as scaffolds for the preparation of electrochemical immunosensors. Application to the determination of TGF-beta 1 cytokine. Analyst 2016; 141:5730-5737. [DOI: 10.1039/c6an00941g] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first electrochemical immunosensor for TGF-β1 cytokine in human serum based on carbon nanotubes functionalized by click chemistry is reported.
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Affiliation(s)
- E. Sánchez-Tirado
- Department of Analytical Chemistry
- Faculty of Chemistry
- University Complutense of Madrid
- 28040-Madrid
- Spain
| | - A. González-Cortés
- Department of Analytical Chemistry
- Faculty of Chemistry
- University Complutense of Madrid
- 28040-Madrid
- Spain
| | - P. Yáñez-Sedeño
- Department of Analytical Chemistry
- Faculty of Chemistry
- University Complutense of Madrid
- 28040-Madrid
- Spain
| | - J. M. Pingarrón
- Department of Analytical Chemistry
- Faculty of Chemistry
- University Complutense of Madrid
- 28040-Madrid
- Spain
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Esteves-Villanueva JO, Trzeciakiewicz H, Martic S. A protein-based electrochemical biosensor for detection of tau protein, a neurodegenerative disease biomarker. Analyst 2015; 139:2823-31. [PMID: 24740472 DOI: 10.1039/c4an00204k] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A protein-based electrochemical biosensor was developed for detection of tau protein aimed towards electrochemically sensing misfolding proteins. The electrochemical assay monitors tau-tau binding and misfolding during the early stage of tau oligomerization. Electrochemical impedance spectroscopy was used to detect the binding event between solution tau protein and immobilized tau protein (tau-Au), acting as a recognition element. The charge transfer resistance (Rct) of tau-Au was 2.9 ± 0.6 kΩ. Subsequent tau binding to tau-Au decreased the Rct to 0.3 ± 0.1 kΩ (90 ± 3% decrease) upon formation of a tau-tau-Au interface. A linear relationship between the Rct and the solution tau concentration was observed from 0.2 to 1.0 μM. The Rct decrease was attributed to an enhanced charge permeability of the tau-tau-Au surface to a redox probe [Fe(CN)6](3-/4-). The electrochemical and surface characterization data suggested conformational and electrostatic changes induced by tau-tau binding. The protein-based electrochemical platform was highly selective for tau protein over bovine serum albumin and allowed for a rapid sample analysis. The protein-based interface was selective for a non-phosphorylated tau441 isoform over the paired-helical filaments of tau, which were composed of phosphorylated and truncated tau isoforms. The electrochemical approach may find application in screening of the early onset of neurodegeneration and aggregation inhibitors.
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14
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Soleyman R, Hirbod S, Adeli M. Advances in the biomedical application of polymer-functionalized carbon nanotubes. Biomater Sci 2015. [DOI: 10.1039/c4bm00421c] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Water soluble carbon nanotubes as multivalent nanomaterials for biomedical applications have been discussed.
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Affiliation(s)
- Rouhollah Soleyman
- Polymer Science and Technology Division
- Research Institute of Petroleum Industry (RIPI)
- Tehran
- Iran
| | - Sorina Hirbod
- Department of Chemistry
- Islamic Azad University
- Central Tehran Branch (IAUCTB)
- Tehran
- Iran
| | - Mohsen Adeli
- Department of Chemistry
- Faculty of Science
- Lorestan University
- Khorramabad
- Iran
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15
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Tyrosinase Multilayer-Functionalised Carbon Nanotubes as Electrochemical Labels: Application To Immunoassay. BIONANOSCIENCE 2014. [DOI: 10.1007/s12668-014-0144-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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16
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Nii D, Hayashida T, Yamaguchi Y, Ikawa S, Shibata T, Umemura K. Selective binding of single-stranded DNA-binding proteins onto DNA molecules adsorbed on single-walled carbon nanotubes. Colloids Surf B Biointerfaces 2014; 121:325-30. [PMID: 24974776 DOI: 10.1016/j.colsurfb.2014.06.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 05/23/2014] [Accepted: 06/03/2014] [Indexed: 01/08/2023]
Abstract
Single-stranded DNA-binding (SSB) proteins were treated with hybrids of DNA and single-walled carbon nanotubes (SWNTs) to examine the biological function of the DNA molecules adsorbed on the SWNT surface. When single-stranded DNA (ssDNA) was used for the hybridization, significant binding of the SSB molecules to the ssDNA-SWNT hybrids was observed by using atomic force microscopy (AFM) and agarose gel electrophoresis. When double-stranded DNA (dsDNA) was used, the SSB molecules did not bind to the dsDNA-SWNT hybrids in most of the conditions that we evaluated. A specifically modified electrophoresis procedure was used to monitor the locations of the DNA, SSB, and SWNT molecules. Our results clearly showed that ssDNA/dsDNA molecules on the SWNT surfaces retained their single-stranded/double-stranded structures.
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Affiliation(s)
- Daisuke Nii
- Biophysics Section, Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 1628601, Japan
| | - Takuya Hayashida
- Biophysics Section, Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 1628601, Japan
| | - Yuuki Yamaguchi
- Cellular and Molecular Biology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; Graduate School of Nanobioscience, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Shukuko Ikawa
- Cellular and Molecular Biology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Takehiko Shibata
- Cellular and Molecular Biology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Kazuo Umemura
- Biophysics Section, Department of Physics, Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 1628601, Japan.
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17
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Yang S, Meng D, Sun J, Huang Y, Huang Y, Geng J. Composite films of poly(3-hexylthiophene) grafted single-walled carbon nanotubes for electrochemical detection of metal ions. ACS APPLIED MATERIALS & INTERFACES 2014; 6:7686-7694. [PMID: 24730434 DOI: 10.1021/am500973m] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, we prepared electrochemically active films of poly(3-hexylthiophene) grafted single-walled carbon nanotubes (SWNT-g-P3HT) by using a modified vacuum-assisted deposition approach, in which a SWNT-g-P3HT composite layer of various thicknesses was deposited on the top of a thin SWNT layer. Measurement of the optical and electrical properties of the SWNT-g-P3HT composite films demonstrated that the thickness of the SWNT-g-P3HT composite films was controllable. The data of transmission electron microscope observation and Raman spectroscopy indicated that the covalent grafting of P3HT onto the surfaces of SWNTs resulted in intimate and stable connectivity between the two components in the SWNT-g-P3HT composite. Capitalizing on these unique features, we successfully developed a new class of electrochemical sensors that used the SWNT-g-P3HT composite films deposited on an indium-tin oxide substrate as an electrochemical electrode for detection of metal ions. Significantly, such a SWNT-g-P3HT composite electrode showed advantages in selective, quantitative, and more sensitive detection of Ag(+) ions.
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Affiliation(s)
- Shaojun Yang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , 29 Zhongguancun East Road, Haidian District, Beijing 100190, China
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18
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Double electrochemical covalent coupling method based on click chemistry and diazonium chemistry for the fabrication of sensitive amperometric immunosensor. Anal Chim Acta 2013; 792:28-34. [DOI: 10.1016/j.aca.2013.06.046] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 06/25/2013] [Accepted: 06/28/2013] [Indexed: 01/09/2023]
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19
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Khorsand F, Riahi S, Fard SE, Kashanian S, Naeemy A, Larijani B, Omidfar K. Development of 3-hydroxybutyrate dehydrogenase enzyme biosensor based on carbon nanotube-modified screen-printed electrode. IET Nanobiotechnol 2013; 7:1-6. [PMID: 23705287 DOI: 10.1049/iet-nbt.2012.0001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Precise detection of 3-hydroxybutyrate (HB) in biological samples is of great importance for management of diabetic patients. In this study, an HB biosensor based on single-walled carbon nanotubes (SWCNTs)-modified screen-printed electrode (SPE) was developed to determine the concentration of HB in serum. The specific detecting enzyme, HB dehydrogenase, was physically immobilised on SWCNTs deposited on the surface of SPEs. The electrochemical measurement of HB that involved cyclic voltammetry was based on the sAgnal produced by j3-nicotinamide adenine dinucleotide (NADH), one of the products of the enzymatic reaction. The application of SWCNT reduced the oxidation potential of NADH to about -0.05 V. Electrochemical measurements showed that the response of this biosensor had relevant good linearity in the range of 0.1-2 mM with a low detection limit of 0.009 mM. Investigation of biosensor response in the presence of interfering molecules verified its specificity. Furthermore, the study of long-term stability demonstrated the acceptable efficiency of this biosensor for about 100 days.
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Affiliation(s)
- Fahimeh Khorsand
- Endocrine and Metabolism Research Center, Tehran University of Medical Sciences, P.O. Box 14395/1179, Tehran, I.R. Iran
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Dispersion of bamboo type multi-wall carbon nanotubes in calf-thymus double stranded DNA. Colloids Surf B Biointerfaces 2013; 108:329-36. [PMID: 23563301 DOI: 10.1016/j.colsurfb.2013.02.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Revised: 02/16/2013] [Accepted: 02/18/2013] [Indexed: 11/23/2022]
Abstract
We report for the first time the use of double stranded calf-thymus DNA (dsDNA) to successfully disperse bamboo-like multi-walled carbon nanotubes (bCNT). The dispersion and the modified electrodes were studied by different spectroscopic, microscopic and electrochemical techniques. The drastic treatment for dispersing the bCNT (45min sonication in a 50% (v/v) ethanol:water solution), produces a partial denaturation and a decrease in the length of dsDNA that facilitates the dispersion of CNT and makes possible an efficient electron transfer of guanine residues to the electrode. A critical analysis of the influence of different experimental conditions on the efficiency of the dispersion and on the performance of glassy carbon electrodes (GCE) modified with bCNT-dsDNA dispersion is also reported. The electron transfer of redox probes and guanine residues was more efficient at GCE modified with bCNT dispersed in dsDNA than at GCE modified with hollow CNT (hCNT) dispersed in dsDNA, demonstrating the importance of the presence of bCNT.
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21
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Hayat A, Sassolas A, Rhouati A, Marty JL. Immobilization of enzymes on ethynyl-modified electrodes via click chemistry. Methods Mol Biol 2013; 1051:209-216. [PMID: 23934806 DOI: 10.1007/978-1-62703-550-7_13] [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: 06/02/2023]
Abstract
This paper describes a novel, simple, and versatile protocol for covalent immobilization of enzyme on electrode. The immobilization method is based on the combination of diazonium salt electrografting and click chemistry. The ethynyl-terminated monolayers are obtained by diazonium salt electrografting, then, in the presence of copper (I) catalyst, the ethynyl modified surfaces reacts efficiently and rapidly with enzyme bearing an azide function (azido-enzyme), thus forming a covalent 1,2,3-triazole linkage by means of click chemistry. The ethynyl-terminated film preserves the activity of the immobilized enzyme. The click chemistry along with binary film of diazonium salts offers a variety of good characteristics including high sensitivity, good repeatability and reusability, rapid response and long term stability of the system. Thus, because of the chemoselective reactivity and quantitative yield of the click reaction, an ethynyl-terminated monolayer can be treated as a general platform for obtaining reliable coverage of a wide range of azido-terminated species of interest for various sensing applications.
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Affiliation(s)
- Akhtar Hayat
- IMAGES EA 4218, University of Perpignan, Perpignan Cedex, France
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22
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Adeli M, Soleyman R, Beiranvand Z, Madani F. Carbon nanotubes in cancer therapy: a more precise look at the role of carbon nanotube–polymer interactions. Chem Soc Rev 2013; 42:5231-56. [DOI: 10.1039/c3cs35431h] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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23
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Hayat A, Sassolas A, Marty JL, Radi AE. Highly sensitive ochratoxin A impedimetric aptasensor based on the immobilization of azido-aptamer onto electrografted binary film via click chemistry. Talanta 2012. [PMID: 23200352 DOI: 10.1016/j.talanta.2012.09.048] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The aptamer immobilization onto organized mixed layers of diazonium salts via click chemistry was explored. The immobilized aptamer was employed in the fabrication of a highly sensitive and reusable electrochemical impedimetric aptasensor for the detection of ochratoxin A (OTA). The screen-printed carbon electrodes (SPCEs) were first modified by electrografting of a protected 4-((trimethylsilyl)ethynyl) benzene (TMSi-Eth-Ar) layer followed by a second one of p-nitrobenzene (p-NO(2)-Ar) by means of electrochemical reduction of their corresponding diazonium salts, (TMSi-Eth-Ar-N(2)(+)) and (p-NO(2)-ArN(2)(+)). After deprotection, a layer with active ethynyl groups was obtained. In the presence of copper (I) catalyst, the ethynyl groups reacted efficiently with aptamer bearing an azide function, thus forming a covalent 1,2,3-triazole linkage. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) in the presence of ferri/ferrocyanide redox probe [Fe(CN)(6)](4-/3-) were used to characterize each step in the aptasensor development. The increase in electron-transfer resistance (R(et)) values due to the specific aptamer-OTA interaction was proportional to the concentration of OTA in a range between 1.25 ng/L and 500 ng/L, with a detection limit of 0.25 ng/L.
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Affiliation(s)
- Akhtar Hayat
- BIOMEM, Université de Perpignan, 52 Avenue Paul Alduy, 66860 Perpignan Cedex, France
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