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Zhu F, Liu Z, Wu X, Xu D, Li Q, Chen X, Pang W, Duan X, Wang Y. Enhanced on-Chip modification and intracellular hydrogen peroxide detection via gigahertz acoustic streaming microfluidic platform. ULTRASONICS SONOCHEMISTRY 2023; 100:106618. [PMID: 37769590 PMCID: PMC10543187 DOI: 10.1016/j.ultsonch.2023.106618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 09/20/2023] [Accepted: 09/22/2023] [Indexed: 10/03/2023]
Abstract
Developing effective strategies for the flexible control of fluid is vital for microfluidic electrochemical biosensing. In this study, a gigahertz (GHz) acoustic streaming (AS) based sonoelectrochemical system was developed to realize an on-chip surface modification and sensitive hydrogen peroxide (H2O2) detection from living cells. The flexible and controlled fluid surrounding the electrochemical chip was optimized theoretically and applied in the sonoelectrochemical deposition of Au nanoparticles (AuNPs) first. Under the steady and fast flow stimulus of AS, AuNPs could be synthesized with a smaller and evener size distribution than the normal condition, allowing AuNPs to show an excellent peroxidase-like activity. Moreover, the AS also accelerated the mass transport of target molecules and improved the catalytic rate, leading to the enhancement of H2O2 detection, with an extremely low detection limit of 32 nM and a high sensitivity of 4.34 μA/ (mM·mm2). Finally, this system was successfully applied in tracking H2O2 release from different cell lines to distinguish the cancer cells from normal cells. This study innovatively integrated the surface modification and molecules detection process on a chip, and also proposed a simple but sensitive platform for microfluidic biosensing application.
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Affiliation(s)
- Feng Zhu
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Zeyu Liu
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Xiaoyu Wu
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Die Xu
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Quanning Li
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Xuejiao Chen
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Wei Pang
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Yanyan Wang
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
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García-Miranda Ferrari A, Rowley-Neale SJ, Banks CE. Recent advances in 2D hexagonal boron nitride (2D-hBN) applied as the basis of electrochemical sensing platforms. Anal Bioanal Chem 2021; 413:663-672. [PMID: 33284404 PMCID: PMC7808977 DOI: 10.1007/s00216-020-03068-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023]
Abstract
2D hexagonal boron nitride (2D-hBN) is a lesser utilised material than other 2D counterparts in electrochemistry due to initial reports of it being non-conductive. As we will demonstrate in this review, this common misconception is being challenged, and researchers are starting to utilise 2D-hBN in the field of electrochemistry, particularly as the basis of electroanalytical sensing platforms. In this critical review, we overview the use of 2D-hBN as an electroanalytical sensing platform summarising recent developments and trends and highlight future developments of this interesting, often overlooked, 2D material.
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Affiliation(s)
| | - Samuel J Rowley-Neale
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Craig E Banks
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
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3
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Vaidyanathan A, Mathew M, Radhakrishnan S, Rout CS, Chakraborty B. Theoretical Insight on the Biosensing Applications of 2D Materials. J Phys Chem B 2020; 124:11098-11122. [PMID: 33232607 DOI: 10.1021/acs.jpcb.0c08539] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The research on the design of efficient, reliable, and cost-effective biosensors is expanding given its high demand in various fields such as health care, environmental surveillance, agriculture, diagnostics, industries, and so forth. In the last decade, various fascinating and interesting 2D materials with extraordinary properties have been experimentally synthesized and theoretically predicted. 2D materials have been explored for the sensing of different biomolecules because of their large surface area and strong interaction with different biomolecules. Theoretical simulations can bring important insight on the interaction of biomolecules on 2D materials, charge transfer, orbital interactions, and so forth and may play an important role in the development of efficient biosensors. Quantum simulation techniques, such as density functional theory (DFT), are very powerful and are gaining popularity especially with the advent of high-speed computing facilities. This review article provides theoretical insight regarding the interaction of various biomolecules on different 2D materials and the charge transfer between the biomolecules and 2D materials leading to electrochemical signals, which can then provide experimentalists the useful design parameters for fabrication of biosensors. It also includes an overview of quantum simulations, use of the DFT method for simulating biomolecules on 2D materials, parameters obtained from theoretical simulations and sensitivity, and limitations of computational techniques for sensing biomolecules on 2D materials. Furthermore, this review summarizes the recent work in first-principles investigation of 2D materials for the purpose of biomolecule sensing. Beyond the traditional graphene or 2D transition-metal dichalcogenides, some novel and recently proposed 2D materials such as pentagraphene, haeckelite, MXenes, and so forth which have exhibited good sensing applications have also been highlighted.
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Affiliation(s)
- Antara Vaidyanathan
- Department of Chemistry, Ramnarain Ruia Autonomous College, Matunga, Mumbai 400019, India
| | - Minu Mathew
- Centre for Nano and Material Science, Jain University, Jain Global Campus, Jakkasandra, Ramanagara, Bangalore 562112, India
| | - Sithara Radhakrishnan
- Centre for Nano and Material Science, Jain University, Jain Global Campus, Jakkasandra, Ramanagara, Bangalore 562112, India
| | - Chandra Sekhar Rout
- Centre for Nano and Material Science, Jain University, Jain Global Campus, Jakkasandra, Ramanagara, Bangalore 562112, India
| | - Brahmananda Chakraborty
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India.,Homi Bhabha National Institute, Mumbai 400094, India
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4
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Wang S, Yang X, Zhou L, Li J, Chen H. 2D nanostructures beyond graphene: preparation, biocompatibility and biodegradation behaviors. J Mater Chem B 2020; 8:2974-2989. [DOI: 10.1039/c9tb02845e] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The research advances of the preparation, biocompatibility and biodegradation of 2D nanomaterials are introduced. The prospects and challenges of the biomedical applications of 2D nanomaterials are summarized.
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Affiliation(s)
- Shige Wang
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
| | - Xueqing Yang
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Lingling Zhou
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Jinfeng Li
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Hangrong Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050
- China
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5
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Muthukutty B, Krishnapandi A, Chen SM. The facile co-precipitation synthesis of strontium tungstate anchored on a boron nitride (SrWO4/BN) composite as a promising electrocatalyst for pharmaceutical drug analysis. NEW J CHEM 2020. [DOI: 10.1039/c9nj05673d] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Strontium tungstate/boron nitride (SrWO4/BN) composite considered efficient electrocatalysts in the area of electrochemical sensors.
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Affiliation(s)
- Balamurugan Muthukutty
- Electroanalysis and Bioelectrochemistry Lab
- Department of Chemical Engineering and Biotechnology
- National Taipei University of Technology
- Taipei 106
- Republic of China
| | - Alagumalai Krishnapandi
- Electroanalysis and Bioelectrochemistry Lab
- Department of Chemical Engineering and Biotechnology
- National Taipei University of Technology
- Taipei 106
- Republic of China
| | - Shen-Ming Chen
- Electroanalysis and Bioelectrochemistry Lab
- Department of Chemical Engineering and Biotechnology
- National Taipei University of Technology
- Taipei 106
- Republic of China
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Ivanova MN, Grayfer ED, Plotnikova EE, Kibis LS, Darabdhara G, Boruah PK, Das MR, Fedorov VE. Pt-Decorated Boron Nitride Nanosheets as Artificial Nanozyme for Detection of Dopamine. ACS APPLIED MATERIALS & INTERFACES 2019; 11:22102-22112. [PMID: 31124654 DOI: 10.1021/acsami.9b04144] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Over the past decade, nanosized metal oxides, metals, and bimetallic particles have been actively researched as enzyme mimetic nanomaterials. However, the common issues with individual nanoparticles (NPs) are stabilization, reproducibility, and blocking of active sites by surfactants. These problems promote further studies of composite materials, where NPs are spread on supports, such as graphene derivatives or dichalcogenide nanosheets. Another promising type of support for NPs is the few-layered hexagonal boron nitride (hBN). In this study, we develop surfactant-free nanocomposites containing Pt NPs dispersed on chemically modified hydrophilic hBN nanosheets (hBNNSs). Ascorbic acid was used as a reducing agent for the chemical reduction of the Pt salt in the presence of hBNNS aqueous colloid, resulting in Pt/hBNNS nanocomposites, which were thoroughly characterized with X-ray diffraction, transmission electron microscopy, dynamic light scattering, and X-ray photoelectron and infrared spectroscopies. Similar to graphene oxide binding the metal NPs more efficiently than pure graphene, hydrophilic hBNNSs well stabilize Pt NPs, with particle size down to around 8 nm. We further demonstrate for the first time that Pt/hBNNS nanocomposites exhibit peroxidase-like catalytic activity, accelerating the oxidation of the classical colorless peroxidase substrate 3,3',5,5'-tetramethylbenzidine (TMB) to its corresponding blue-colored oxidized product in the presence of H2O2. Kinetic and mechanism studies involving terephthalic acid and isopropanol as a fluorescent probe and an •OH radical scavenger, respectively, proved that Pt/hBNNSs assist H2O2 decomposition to active oxygen species (•OH), which are responsible for TMB oxidation. The Pt/hBNNS nanocomposite-assisted oxidation of TMB provides an effective platform for the colorimetric detection of dopamine, an important biomolecule. The presence of increased amounts of dopamine gradually inhibits the catalytic activity of Pt/hBNNSs for the oxidation of TMB by H2O2, thus enabling selective sensing of dopamine down to 0.76 μM, even in the presence of common interfering molecules and on real blood serum samples. The present investigation on Pt/hBNNSs contributes to the knowledge of hBN-based nanocomposites and discovers their new usage as nanomaterials with good enzyme-mimicking activity and dopamine-sensing properties.
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Affiliation(s)
- Mariia N Ivanova
- Nikolaev Institute of Inorganic Chemistry SB RAS , Acad. Lavrentiev Prosp. 3 , Novosibirsk 630090 , Russian Federation
| | - Ekaterina D Grayfer
- Nikolaev Institute of Inorganic Chemistry SB RAS , Acad. Lavrentiev Prosp. 3 , Novosibirsk 630090 , Russian Federation
| | - Elena E Plotnikova
- Nikolaev Institute of Inorganic Chemistry SB RAS , Acad. Lavrentiev Prosp. 3 , Novosibirsk 630090 , Russian Federation
- Novosibirsk State University , Pirogova Str. 2 , Novosibirsk 630090 , Russian Federation
| | - Lidiya S Kibis
- Novosibirsk State University , Pirogova Str. 2 , Novosibirsk 630090 , Russian Federation
- Boreskov Institute of Catalysis SB RAS , Acad. Lavrentiev Prosp. 5 , Novosibirsk 630090 , Russian Federation
| | - Gitashree Darabdhara
- Advanced Materials Group, Materials Sciences and Technology Division , CSIR-North East Institute of Science and Technology , Jorhat 785006 , India
- Academy of Scientific and Innovative Research , CSIR-NEIST Campus , Jorhat 785006 , India
| | - Purna K Boruah
- Advanced Materials Group, Materials Sciences and Technology Division , CSIR-North East Institute of Science and Technology , Jorhat 785006 , India
- Academy of Scientific and Innovative Research , CSIR-NEIST Campus , Jorhat 785006 , India
| | - Manash R Das
- Advanced Materials Group, Materials Sciences and Technology Division , CSIR-North East Institute of Science and Technology , Jorhat 785006 , India
- Academy of Scientific and Innovative Research , CSIR-NEIST Campus , Jorhat 785006 , India
| | - Vladimir E Fedorov
- Nikolaev Institute of Inorganic Chemistry SB RAS , Acad. Lavrentiev Prosp. 3 , Novosibirsk 630090 , Russian Federation
- Novosibirsk State University , Pirogova Str. 2 , Novosibirsk 630090 , Russian Federation
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8
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Label-free aptasensor for the detection of cardiac biomarker myoglobin based on gold nanoparticles decorated boron nitride nanosheets. Biosens Bioelectron 2018; 126:143-150. [PMID: 30399516 DOI: 10.1016/j.bios.2018.10.060] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/25/2018] [Accepted: 10/27/2018] [Indexed: 11/20/2022]
Abstract
A novel electrochemical aptasensor based on gold nanoparticles decorated on boron nitride nanosheets (AuNPs/BNNSs) for the sensitive and selective detection of myoglobin (Mb) is reported. BNNSs were chemically synthesized by a low-cost and simple hydrothermal method. They were deposited onto the fluorine-doped tin oxide (FTO) electrode by a spin-coating method. Subsequently, AuNPs were chemically deposited onto the BNNS/FTO electrode by a seed-mediated chemical reduction method, with an average particle size of approximately 10 nm. The AuNPs/BNNSs/FTO electrode was used as a transducer to immobilize a thiol-functionalized DNA aptamer (Apt) via the covalent interaction of Au-S for the specific binding of Mb. [Fe(CN)6]3-/4- was used as a redox probe to monitor the oxidation current variation upon the binding of Mb with varying concentrations onto the sensor surface. The Apt/AuNPs/BNNSs/FTO sensor shows a high signal response for Mb with a detection limit of 34.6 ng/mL and a dynamic response range of 0.1-100 µg/mL. It is a promising candidate for point-of-care diagnosis in real samples. This strategy could make possible the application of other 2D materials with wide bandgaps for the development of biosensors.
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9
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Wongkaew N, Simsek M, Griesche C, Baeumner AJ. Functional Nanomaterials and Nanostructures Enhancing Electrochemical Biosensors and Lab-on-a-Chip Performances: Recent Progress, Applications, and Future Perspective. Chem Rev 2018; 119:120-194. [DOI: 10.1021/acs.chemrev.8b00172] [Citation(s) in RCA: 303] [Impact Index Per Article: 50.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Nongnoot Wongkaew
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
| | - Marcel Simsek
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
| | - Christian Griesche
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
| | - Antje J. Baeumner
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
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10
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Afshari M, Dinari M, Momeni MM. Ultrasonic irradiation preparation of graphitic-C 3N 4/polyaniline nanocomposites as counter electrodes for dye-sensitized solar cells. ULTRASONICS SONOCHEMISTRY 2018; 42:631-639. [PMID: 29429711 DOI: 10.1016/j.ultsonch.2017.12.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 12/14/2017] [Accepted: 12/14/2017] [Indexed: 06/08/2023]
Abstract
In this research, polyaniline/graphitic carbon nitride (PANI/g-C3N4) nanocomposites were synthesized via in-situ electrochemical polymerization of aniline monomer whit different number of cyclic voltammetry scans (10, 20 and 30 cycles) after electrode surface pre-preparation using a potential shock under ultrasonic irradiation. PANI/g-C3N4 nanocomposites with two values of g-C3N4 (0.010 wt% and 0.015 wt%) were deposited on the surface of the transparent conducting film (FTO glass) by immersing FTO into the aniline solution and g-C3N4 during the electro-polymerization. The resulting PANI/g-C3N4 films were characterized by Fourier transformed infra-red (FTIR), power X-ray diffraction (PXRD), field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) techniques. The prepared electrodes were applied as counter electrode in dye-sensitized solar cells. Among them, the prepared electrode with 10 cycles and 0.01 wt% g-C3N4 showed the best efficiency. These hybrids show good catalytic activity in elevating tri-iodide reduction and due to the synergistic effect of PANI and g-C3N4, PANI/g-C3N4 nanocomposite electrode shows power conversion efficiency about 1.8%.
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Affiliation(s)
- Mohaddeseh Afshari
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Mohammad Dinari
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
| | - Mohamad Mohsen Momeni
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
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11
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Zuo L, Jiang L, Zhu JJ. Sonochemical Synthesis of Two Dimensional C3
N4
Nanosheets Supported Palladium Composites and Their Electrocatalytic Activity for Oxygen Reduction and Methanol Oxidation Reaction. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201600829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Lingxia Zuo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering; Nanjing University; Nanjing Jiangsu 210093 China
| | - Liping Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering; Nanjing University; Nanjing Jiangsu 210093 China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering; Nanjing University; Nanjing Jiangsu 210093 China
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12
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Beyond graphene: Electrochemical sensors and biosensors for biomarkers detection. Biosens Bioelectron 2017; 89:152-166. [DOI: 10.1016/j.bios.2016.03.068] [Citation(s) in RCA: 256] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 03/08/2016] [Accepted: 03/28/2016] [Indexed: 12/12/2022]
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13
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Wang L, Xiong Q, Xiao F, Duan H. 2D nanomaterials based electrochemical biosensors for cancer diagnosis. Biosens Bioelectron 2017; 89:136-151. [DOI: 10.1016/j.bios.2016.06.011] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 06/05/2016] [Accepted: 06/06/2016] [Indexed: 12/19/2022]
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14
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Photoelectrochemical determination of hydrogen peroxide using a gold electrode modified with fluorescent gold nanoclusters and graphene oxide. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-2035-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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15
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Fu L, Lai G, Chen G, Lin CT, Yu A. Microwave Irradiation-Assisted Exfoliation of Boron Nitride Nanosheets: A Platform for Loading High Density of Nanoparticles. ChemistrySelect 2016. [DOI: 10.1002/slct.201600290] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Li Fu
- Department of Chemistry and Biotechnology; Faculty of Science, Engineering and Technology; Swinburne University of Technology; Hawthorn VIC 3122 Australia
| | - Guosong Lai
- Hubei Collaborative Innovation Center for Rare Metal Chemistry; Hubei Key Laboratory of Pollutant Analysis & Reuse Technology; Department of Chemistry; Hubei Normal University; Huangshi 435002 PR China
| | - Guoxin Chen
- Key Laboratory of Marine New Materials and Related Technology; Zhejiang Key Laboratory of Marine Materials and Protection Technology; Ningbo Institute of Material Technology and Engineering; Chinese Academy of Sciences; Ningbo 315201 PR China
| | - Cheng-Te Lin
- Key Laboratory of Marine New Materials and Related Technology; Zhejiang Key Laboratory of Marine Materials and Protection Technology; Ningbo Institute of Material Technology and Engineering; Chinese Academy of Sciences; Ningbo 315201 PR China
| | - Aimin Yu
- Department of Chemistry and Biotechnology; Faculty of Science, Engineering and Technology; Swinburne University of Technology; Hawthorn VIC 3122 Australia
- Hubei Collaborative Innovation Center for Rare Metal Chemistry; Hubei Key Laboratory of Pollutant Analysis & Reuse Technology; Department of Chemistry; Hubei Normal University; Huangshi 435002 PR China
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Elumalai G, Noguchi H, Lyalin A, Taketsugu T, Uosaki K. Gold nanoparticle decoration of insulating boron nitride nanosheet on inert gold electrode toward an efficient electrocatalyst for the reduction of oxygen to water. Electrochem commun 2016. [DOI: 10.1016/j.elecom.2016.02.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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17
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Ultrasensitive electrochemical immunoassay for surface array protein, a Bacillus anthracis biomarker using Au-Pd nanocrystals loaded on boron-nitride nanosheets as catalytic labels. Biosens Bioelectron 2016; 80:442-449. [PMID: 26874112 DOI: 10.1016/j.bios.2016.02.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2016] [Revised: 02/02/2016] [Accepted: 02/04/2016] [Indexed: 12/31/2022]
Abstract
Bacillus anthracis, the causative agent of anthrax, is a well known bioterrorism agent. The determination of surface array protein (Sap), a unique biomarker for B. anthracis can offer an opportunity for specific detection of B. anthracis in culture broth. In this study, we designed a new catalytic bionanolabel and fabricated a novel electrochemical immunosensor for ultrasensitive detection of B. anthracis Sap antigen. Bimetallic gold-palladium nanoparticles were in-situ grown on poly (diallyldimethylammonium chloride) functionalized boron nitride nanosheets (Au-Pd NPs@BNNSs) and conjugated with the mouse anti-B. anthracis Sap antibodies (Ab2); named Au-Pd NPs@BNNSs/Ab2. The resulting Au-Pd NPs@BNNSs/Ab2 bionanolabel demonstrated high catalytic activity towards reduction of 4-nitrophenol. The sensitivity of the electrochemical immunosensor along with redox cycling of 4-aminophenol to 4-quinoneimine was improved to a great extent. Under optimal conditions, the proposed immunosensor exhibited a wide working range from 5 pg/mL to 100 ng/mL with a minimum detection limit of 1 pg/mL B. anthracis Sap antigen. The practical applicability of the immunosensor was demonstrated by specific detection of Sap secreted by the B. anthracis in culture broth just after 1h of growth. These labels open a new direction for the ultrasensitive detection of different biological warfare agents and their markers in different matrices.
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Application of 2D Non-Graphene Materials and 2D Oxide Nanostructures for Biosensing Technology. SENSORS 2016; 16:223. [PMID: 26861346 PMCID: PMC4801599 DOI: 10.3390/s16020223] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2016] [Accepted: 02/02/2016] [Indexed: 12/12/2022]
Abstract
The discovery of graphene and its unique properties has inspired researchers to try to invent other two-dimensional (2D) materials. After considerable research effort, a distinct “beyond graphene” domain has been established, comprising the library of non-graphene 2D materials. It is significant that some 2D non-graphene materials possess solid advantages over their predecessor, such as having a direct band gap, and therefore are highly promising for a number of applications. These applications are not limited to nano- and opto-electronics, but have a strong potential in biosensing technologies, as one example. However, since most of the 2D non-graphene materials have been newly discovered, most of the research efforts are concentrated on material synthesis and the investigation of the properties of the material. Applications of 2D non-graphene materials are still at the embryonic stage, and the integration of 2D non-graphene materials into devices is scarcely reported. However, in recent years, numerous reports have blossomed about 2D material-based biosensors, evidencing the growing potential of 2D non-graphene materials for biosensing applications. This review highlights the recent progress in research on the potential of using 2D non-graphene materials and similar oxide nanostructures for different types of biosensors (optical and electrochemical). A wide range of biological targets, such as glucose, dopamine, cortisol, DNA, IgG, bisphenol, ascorbic acid, cytochrome and estradiol, has been reported to be successfully detected by biosensors with transducers made of 2D non-graphene materials.
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Campuzano S, Pedrero M, Nikoleli GP, Pingarrón JM, Nikolelis DP. Hybrid 2D-nanomaterials-based electrochemical immunosensing strategies for clinical biomarkers determination. Biosens Bioelectron 2016; 89:269-279. [PMID: 26847843 DOI: 10.1016/j.bios.2016.01.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Revised: 01/13/2016] [Accepted: 01/14/2016] [Indexed: 12/18/2022]
Abstract
Owing to the outstanding conductivity and biocompatibility as well as numerous other fascinating properties of two-dimensional (2D)-nanomaterials, 2D-based nanohybrids have shown unparalleled superiorities in the field of electrochemical biosensors. This review highlights latest advances in electrochemical immunosensors for clinical biomarkers based on different hybrid 2D-nanomaterials. Particular attention will be given to hybrid nanostructures involving graphene and other graphene-like 2D-layered nanomaterials (GLNs). Several recent strategies for using such 2D-nanomaterial heterostructures in the development of modern immunosensors, both for tagging or modifying electrode transducers, are summarized and discussed. These hybrid nanocomposites, quite superior than their rival materials, will undoubtedly have an important impact within the near future and not only in clinical areas. Current challenges and future perspectives in this rapidly growing field are also outlined.
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Affiliation(s)
- S Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - M Pedrero
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain
| | - G-P Nikoleli
- Laboratory of Inorganic & Analytical Chemistry, School of Chemical Engineering, Dept 1, Chemical Sciences, National Technical University of Athens, 9 Iroon Polytechniou St., Athens 157 80, Greece.
| | - J M Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - D P Nikolelis
- Laboratory of Environmental Chemistry, Department of Chemistry, University of Athens, Panepistimiopolis-Kouponia, GR-15771 Athens, Greece
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Yang G, Zhu C, Du D, Zhu J, Lin Y. Graphene-like two-dimensional layered nanomaterials: applications in biosensors and nanomedicine. NANOSCALE 2015; 7:14217-31. [PMID: 26234249 DOI: 10.1039/c5nr03398e] [Citation(s) in RCA: 149] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The development of nanotechnology provides promising opportunities for various important applications. The recent discovery of atomically-thick two-dimensional (2D) nanomaterials can offer manifold perspectives to construct versatile devices with high-performance to satisfy multiple requirements. Many studies directed at graphene have stimulated renewed interest on graphene-like 2D layered nanomaterials (GLNs). GLNs including boron nitride nanosheets, graphitic-carbon nitride nanosheets and transition metal dichalcogenides (e.g. MoS2 and WS2) have attracted significant interest in numerous research fields from physics and chemistry to biology and engineering, which has led to numerous interdisciplinary advances in nano science. Benefiting from the unique physical and chemical properties (e.g. strong mechanical strength, high surface area, unparalleled thermal conductivity, remarkable biocompatibility and ease of functionalization), these 2D layered nanomaterials have shown great potential in biochemistry and biomedicine. This review summarizes recent advances of GLNs in applications of biosensors and nanomedicine, including electrochemical biosensors, optical biosensors, bioimaging, drug delivery and cancer therapy. Current challenges and future perspectives in these rapidly developing areas are also outlined. It is expected that they will have great practical foundation in biomedical applications with future efforts.
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Affiliation(s)
- Guohai Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, P. R. China.
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