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Rodríguez-Juárez A, Carmona-Álvarez V, Díaz-Monge F, Chigo-Anota E, Zaca-Moran O. Understanding of the Effect of the Adsorption of Atom and Cluster Silver on Chitosan: An In Silico Analysis. Molecules 2023; 28:5809. [PMID: 37570779 PMCID: PMC10421313 DOI: 10.3390/molecules28155809] [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: 06/21/2023] [Revised: 07/16/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
In this work, the structural, electronic, and optical stability properties of the chitosan monomer (M-Ch) and atomic silver complex are reported, as well as a unitary cell of a silver cluster in the gas phase and acetic acid. The generalized gradient approximation HSEh1PBE/def2-TZVPP50 results established the structures' anionic charge (Q = -1|e|) and the doublet state (M = 2). The high cohesive energy indicates structural stability, and the quantum-mechanical descriptors show a high polarity and low chemical reactivity. Also, the quantum-mechanical descriptors present a low work function that shows the structures are suitable for applications in light-emitting diodes. Finally, the electronic behavior observed by the |HOMO-LUMO| gap energy changes depending on the atomic silver incorporated into the complex.
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Affiliation(s)
- Alejandro Rodríguez-Juárez
- Tecnológico Nacional de México, ITS-Tlaxco, Predio Cristo Rey Ex-Hacienda de Xalostoc Carretera Apizaco-Tlaxco Km. 16.8, Centro, Tlaxco 90250, Mexico; (V.C.-Á.); (F.D.-M.)
| | - Veronica Carmona-Álvarez
- Tecnológico Nacional de México, ITS-Tlaxco, Predio Cristo Rey Ex-Hacienda de Xalostoc Carretera Apizaco-Tlaxco Km. 16.8, Centro, Tlaxco 90250, Mexico; (V.C.-Á.); (F.D.-M.)
| | - Fernando Díaz-Monge
- Tecnológico Nacional de México, ITS-Tlaxco, Predio Cristo Rey Ex-Hacienda de Xalostoc Carretera Apizaco-Tlaxco Km. 16.8, Centro, Tlaxco 90250, Mexico; (V.C.-Á.); (F.D.-M.)
| | - Ernesto Chigo-Anota
- Facultad de Ingeniería Química, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, San Manuel, Puebla 72570, Mexico
| | - Orlando Zaca-Moran
- Instituto Politécnico Nacional, Centro de Investigación en Biotecnología Aplicada, Ex-Hacienda de San Juan Molino, Km 1.5 de la Carretera Estatal Santa Inés Tecuexcomac-Tepetitla, Tepetitla 90700, Mexico;
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2
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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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Amri F, Septiani NLW, Rezki M, Iqbal M, Yamauchi Y, Golberg D, Kaneti YV, Yuliarto B. Mesoporous TiO 2-based architectures as promising sensing materials towards next-generation biosensing applications. J Mater Chem B 2021; 9:1189-1207. [PMID: 33406200 DOI: 10.1039/d0tb02292f] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the past two decades, mesoporous TiO2 has emerged as a promising material for biosensing applications. In particular, mesoporous TiO2 materials with uniform, well-organized pores and high surface areas typically exhibit superior biosensing performance, which includes high sensitivity, broad linear response, low detection limit, good reproducibility, and high specificity. Therefore, the development of biosensors based on mesoporous TiO2 has significantly intensified in recent years. In this review, the expansion and advancement of mesoporous TiO2-based biosensors for glucose detection, hydrogen peroxide detection, alpha-fetoprotein detection, immobilization of enzymes, proteins, and bacteria, cholesterol detection, pancreatic cancer detection, detection of DNA damage, kanamycin detection, hypoxanthine detection, and dichlorvos detection are summarized. Finally, the future perspective and research outlook on the utilization of mesoporous TiO2-based biosensors for the practical diagnosis of diseases and detection of hazardous substances are also given.
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Affiliation(s)
- Fauzan Amri
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Ni Luh Wulan Septiani
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Muhammad Rezki
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Muhammad Iqbal
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Yusuke Yamauchi
- JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Tsukuba, Ibaraki 305-0044, Japan and School of Chemical Engineering & Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia and JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Science and Technology, Waseda University, 2-8-26 Nishi-Waseda, Shinjuku, Tokyo 169-0051, Japan
| | - Dmitri Golberg
- Centre for Materials Science and School of Chemistry and Physics Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia and Nanotubes Group, International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Tsukuba, Ibaraki 305-0044, Japan.
| | - Yusuf Valentino Kaneti
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia. and JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Tsukuba, Ibaraki 305-0044, Japan
| | - Brian Yuliarto
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia. and Research Center for Nanosciences and Nanotechnology (RCNN), Institute of Technology Bandung, Bandung 40132, Indonesia
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4
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Electrochemical synthesis of polyaniline nanocomposite based on modified gold nanoparticles and its application for electrochemical aptasensor. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04761-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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5
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Chai C, Oh SW. Electrochemical impedimetric biosensors for food safety. Food Sci Biotechnol 2020; 29:879-887. [PMID: 32582450 PMCID: PMC7297935 DOI: 10.1007/s10068-020-00776-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/12/2020] [Accepted: 05/17/2020] [Indexed: 12/20/2022] Open
Abstract
Electrochemical impedimetric biosensors (EIBs) have a simple structure and can be used to rapidly and sensitively detect and measure hazards in food. EIBs detect and measure target molecules by transducing biochemical reactions on their surface to electrical signal outputs responding to a sinusoidal electrical signal input. Due to their structural simplicity and analytical sensitivity, EIBs are regarded as the most potent method of food hazard monitoring that can be implemented in the food supply chain. This paper discusses the theoretical background, structure, and construction of EIB and its applications in food safety.
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Affiliation(s)
- Changhoon Chai
- Department of Applied Animal Science, Kangwon National University, Chuncheon, 24341 Republic of Korea
| | - Se-Wook Oh
- Department of Food and Nutrition, Kookmin University, Seoul, 02707 Republic of Korea
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Augustine S, Kumar P, Malhotra BD. Amine-Functionalized MoO3@RGO Nanohybrid-Based Biosensor for Breast Cancer Detection. ACS APPLIED BIO MATERIALS 2019; 2:5366-5378. [DOI: 10.1021/acsabm.9b00659] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Shine Augustine
- Nanobioelectronics Laboratory, Department of Biotechnology, Delhi Technological University, Delhi, 110042 India
| | - Pragati Kumar
- Administrative Supervisor, Department of Electrical Engineering, Delhi Technological University, Delhi, 110042 India
| | - Bansi D. Malhotra
- Nanobioelectronics Laboratory, Department of Biotechnology, Delhi Technological University, Delhi, 110042 India
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7
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Olenin AY, Lisichkin GV. Surface-Modified Oxide Nanoparticles: Synthesis and Application. RUSS J GEN CHEM+ 2019. [DOI: 10.1134/s1070363219070168] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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8
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Recent advances in the fabrication and application of nanomaterial-based enzymatic microsystems in chemical and biological sciences. Anal Chim Acta 2019; 1067:31-47. [DOI: 10.1016/j.aca.2019.02.031] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 02/09/2019] [Accepted: 02/12/2019] [Indexed: 11/24/2022]
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9
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Saikia G, Ahmed K, Gogoi SR, Sharma M, Talukdar H, Islam NS. A chitosan supported peroxidovanadium(V) complex: Synthesis, characterization and application as an eco-compatible heterogeneous catalyst for selective sulfoxidation in water. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.11.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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10
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Yao J, Li P, Li L, Yang M. Biochemistry and biomedicine of quantum dots: from biodetection to bioimaging, drug discovery, diagnostics, and therapy. Acta Biomater 2018; 74:36-55. [PMID: 29734008 DOI: 10.1016/j.actbio.2018.05.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/19/2018] [Accepted: 05/02/2018] [Indexed: 12/30/2022]
Abstract
According to recent research, nanotechnology based on quantum dots (QDs) has been widely applied in the field of bioimaging, drug delivery, and drug analysis. Therefore, it has become one of the major forces driving basic and applied research. The application of nanotechnology in bioimaging has been of concern. Through in vitro labeling, it was found that luminescent QDs possess many properties such as narrow emission, broad UV excitation, bright fluorescence, and high photostability. The QDs also show great potential in whole-body imaging. The QDs can be combined with biomolecules, and hence, they can be used for targeted drug delivery and diagnosis. The characteristics of QDs make them useful for application in pharmacy and pharmacology. This review focuses on various applications of QDs, especially in imaging, drug delivery, pharmaceutical analysis, photothermal therapy, biochips, and targeted surgery. Finally, conclusions are made by providing some critical challenges and a perspective of how this field can be expected to develop in the future. STATEMENT OF SIGNIFICANCE Quantum dots (QDs) is an emerging field of interdisciplinary subject that involves physics, chemistry, materialogy, biology, medicine, and so on. In addition, nanotechnology based on QDs has been applied in depth in biochemistry and biomedicine. Some forward-looking fields emphatically reflected in some extremely vital areas that possess inspiring potential applicable prospects, such as immunoassay, DNA analysis, biological monitoring, drug discovery, in vitro labelling, in vivo imaging, and tumor target are closely connected to human life and health and has been the top and forefront in science and technology to date. Furthermore, this review has not only involved the traditional biochemical detection but also particularly emphasized its potential applications in life science and biomedicine.
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Li X, Song L, Hu X, Liu C, Shi J, Wang H, Zhan L, Song H. Inhibition of Epithelial-Mesenchymal Transition and Tissue Regeneration by Waterborne Titanium Dioxide Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2018; 10:3449-3458. [PMID: 29318884 DOI: 10.1021/acsami.7b18986] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Titanium dioxide nanoparticles (TiO2NPs) are among the most widely manufactured nanomaterials with broad applications in food industry, cosmetics, and medicine. Although the toxicity of TiO2NPs at high doses has been extensively explored, the potential health risks of TiO2NPs exposure at nontoxic concentrations remain poorly understood. Epithelial-mesenchymal transition (EMT) plays pivotal roles in a diversity of physiological and pathological processes, including tissue regeneration and cancer metastasis. In this study, we find that the cellular uptake of TiO2NPs inhibits EMT-mediated cell remodeling and cell migration without exhibiting cytotoxicity. Further investigation reveals that TiO2NPs suppress the process of EMT through the blockade of transforming growth factor-β (TGFβ) signaling. Particularly, TiO2NPs interact with the TGFβ receptor TβRI/II complex, induce its lysosomal degradation, and thereby downregulate expression of TGFβ target genes. Moreover, we show that waterborne TiO2NPs do not elicit toxicity in healthy tissues but hamper EMT-mediated wound healing in two animal models. Long-term exposure of TiO2NPs in environmental water and drinking water impede the regeneration of amputated fin in zebrafish and the recovery of intestinal mucosal damage in colitic mice. Our results reveal the previously unknown effects of TiO2NPs during tissue remodeling and repair, which have significant implications in their risk assessment and management.
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Affiliation(s)
- Xiaojiao Li
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Lele Song
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Xingjie Hu
- School of Public Health, Guangzhou Medical University , Guangdong 511436, China
| | - Chang Liu
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Jiye Shi
- UCB Pharma , Slough SL2 3WE, United Kingdom
| | - Hui Wang
- School of Public Health, Shanghai Jiao Tong University , Shanghai 200025, China
| | - Lixing Zhan
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Haiyun Song
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031, China
- School of Public Health, Shanghai Jiao Tong University , Shanghai 200025, China
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12
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K BP, Panigrahi AK, Singh V, Singh SG. Nonlithographic Fabrication of Plastic-Based Nanofibers Integrated Microfluidic Biochip for Sensitive Detection of Infectious Biomarker. ACS APPLIED MATERIALS & INTERFACES 2017; 9:39994-40005. [PMID: 29087171 DOI: 10.1021/acsami.7b11331] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We report fabrication of a fully integrated plastic based microfluidic biochip for biosensing application. The microfluidic channels were fabricated by tune transfer method and integrated with the prefunctionalized sensing platform. This approach to assembling microchannels into prefunctionalized sensing substrate facilitates controlled functionalization and prevents damages on the functionalized surface. The sensing platform comprised a three-electrode system, in which the sensing electrode was integrated with antibody immobilized carbon nanotubes-zinc oxide (C-ZnO) nanofibers. Electrospinning technique was used to synthesize C-ZnO nanofibers and the surface of the nanofibers was covalently conjugated with histidine rich protein II antibodies (AntiHRP II) toward detection of infectious malarial specific antigen, namely histidine-rich protein II (HRP II). The analytical performance of the fabricated biochip was evaluated by differential pulse voltammetry method. The device exhibited a high sensitivity of 1.19 mA/((g mL-1)/cm2) over a wide detection range (10 fg/mL to 100 μg/mL) with a low detection limit of 7.5 fg/mL toward HRP II detection. This fully integrated biochip offers a promising cost-effective approach for detection of several other infectious disease biomarkers.
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Affiliation(s)
| | | | - Vikrant Singh
- School of Medicine, University of California Davis, California 95616, United States
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13
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Mousavi MF, Amiri M, Noori A, Khoshfetrat SM. A Prostate Specific Antigen Immunosensor Based on Biotinylated-Antibody/Cyclodextrin Inclusion Complex: Fabrication and Electrochemical Studies. ELECTROANAL 2017. [DOI: 10.1002/elan.201700363] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Mir F. Mousavi
- Department of Chemistry; Tarbiat Modares University; Tehran 14115-175 Iran, (Mir F. Mousavi)
| | - Masoud Amiri
- Department of Chemistry; Tarbiat Modares University; Tehran 14115-175 Iran, (Mir F. Mousavi)
| | - Abolhassan Noori
- Department of Chemistry; Tarbiat Modares University; Tehran 14115-175 Iran, (Mir F. Mousavi)
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Ali MA, Mondal K, Jiao Y, Oren S, Xu Z, Sharma A, Dong L. Microfluidic Immuno-Biochip for Detection of Breast Cancer Biomarkers Using Hierarchical Composite of Porous Graphene and Titanium Dioxide Nanofibers. ACS APPLIED MATERIALS & INTERFACES 2016; 8:20570-82. [PMID: 27442623 DOI: 10.1021/acsami.6b05648] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
We report on a label-free microfluidic immunosensor with femtomolar sensitivity and high selectivity for early detection of epidermal growth factor receptor 2 (EGFR2 or ErbB2) proteins. This sensor utilizes a uniquely structured immunoelectrode made of porous hierarchical graphene foam (GF) modified with electrospun carbon-doped titanium dioxide nanofibers (nTiO2) as an electrochemical working electrode. Due to excellent biocompatibility, intrinsic surface defects, high reaction kinetics, and good stability for proteins, anatase nTiO2 are ideal for electrochemical sensor applications. The three-dimensional and porous features of GF allow nTiO2 to penetrate and attach to the surface of the GF by physical adsorption. Combining GF with functional nTiO2 yields high charge transfer resistance, large surface area, and porous access to the sensing surface by the analyte, resulting in new possibilities for the development of electrochemical immunosensors. Here, the enabling of EDC-NHS chemistry covalently immobilized the antibody of ErbB2 (anti-ErbB2) on the GF-nTiO2 composite. To obtain a compact sensor architecture, the composite working electrode was designed to hang above the gold counter electrode in a microfluidic channel. The sensor underwent differential pulse voltammetry and electrochemical impedance spectroscopy to quantify breast cancer biomarkers. The two methods had high sensitivities of 0.585 μA μM(-1) cm(-2) and 43.7 kΩ μM(-1) cm(-2) in a wide concentration range of target ErbB2 antigen from 1 × 10(-15) M (1.0 fM) to 0.1 × 10(-6) M (0.1 μM) and from 1 × 10(-13) M (0.1 pM) to 0.1 × 10(-6) M (0.1 μM), respectively. Utilization of the specific recognition element, i.e., anti-ErbB2, results in high specificity, even in the presence of identical members of the EGFR family of receptor tyrosine kinases, such as ErbB3 and ErbB4. Many promising applications in the field of electrochemical detection of chemical and biological species will derive from the integration of the porous GF-nTiO2 composite into microfluidic devices.
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Affiliation(s)
- Md Azahar Ali
- Department of Electrical and Computer Engineering, Iowa State University , Ames, Iowa 50011, United States
| | - Kunal Mondal
- Department of Chemical and Biomolecular Engineering, North Carolina State University , Raleigh, North Carolina 27695, United States
| | - Yueyi Jiao
- Department of Electrical and Computer Engineering, Iowa State University , Ames, Iowa 50011, United States
| | - Seval Oren
- Department of Electrical and Computer Engineering, Iowa State University , Ames, Iowa 50011, United States
| | - Zhen Xu
- Department of Electrical and Computer Engineering, Iowa State University , Ames, Iowa 50011, United States
| | - Ashutosh Sharma
- Department of Chemical Engineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
| | - Liang Dong
- Department of Electrical and Computer Engineering, Iowa State University , Ames, Iowa 50011, United States
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Ali MA, Singh C, Mondal K, Srivastava S, Sharma A, Malhotra BD. Mesoporous Few-Layer Graphene Platform for Affinity Biosensing Application. ACS APPLIED MATERIALS & INTERFACES 2016; 8:7646-7656. [PMID: 26950488 DOI: 10.1021/acsami.5b12460] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A label-free, highly reproducible, sensitive, and selective biosensor is proposed using antiapolipoprotein B 100 (AAB) functionalized mesoporous few-layer reduced graphene oxide and nickel oxide (rGO-NiO) nanocomposite for detection of low density lipoprotein (LDL) molecules. The formation of mesoporous rGO-NiO composite on indium tin oxide conductive electrode has been accomplished via electrophoretic technique using colloidal suspension of rGO sheets and NiO nanoparticles. This biosensor shows good stability obtained by surface conjugation of antibody AAB molecules with rGO-NiO matrix by EDC-NHS coupling chemistry. The defect-less few layer rGO sheets, NiO nanoparticles (nNiO) and formation of nanocomposite has been confirmed by Raman mapping, electron microscopic studies, X-ray diffraction, and electrochemical techniques. The synthesized rGO-NiO composite is mesoporous dominated with a small percentage of micro and macroporous structure as is evident by the results of Brunauer-Emmett-Teller experiment. Further, the bioconjugation of AAB with rGO-NiO has been investigated by Fourier transform-infrared spectroscopy studies. The kinetic studies for binding of antigen-antibody (LDL-AAB) and analytical performance of this biosensor have been evaluated by the impedance spectroscopic method. This biosensor exhibits an excellent sensitivity of 510 Ω (mg/dL)(-1) cm(-2) for detection of LDL molecules and is sensitive to 5 mg/dL concentration of LDL in a wide range of 0-130 mg/dL. Thus, this fabricated biosensor is an efficient and highly sensitive platform for the analysis of other antigen-antibody interactions and biomolecules detection.
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Affiliation(s)
- Md Azahar Ali
- Department of Chemical Engineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
| | - Chandan Singh
- Department of Science and Technology Centre on Biomolecular Electronics, Biomedical Instrumentation Section, CSIR-National Physical Laboratory , Dr. K. S. Krishnan Marg, New Delhi 110012, India
| | - Kunal Mondal
- Department of Chemical Engineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
| | - Saurabh Srivastava
- Department of Biotechnology, Delhi Technological University , Shahbad Daulatpur, Main Bawana Road, Delhi 110042, India
| | - Ashutosh Sharma
- Department of Chemical Engineering, Indian Institute of Technology Kanpur , Kanpur 208016, India
| | - Bansi D Malhotra
- Department of Biotechnology, Delhi Technological University , Shahbad Daulatpur, Main Bawana Road, Delhi 110042, India
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Lafleur JP, Jönsson A, Senkbeil S, Kutter JP. Recent advances in lab-on-a-chip for biosensing applications. Biosens Bioelectron 2016; 76:213-33. [DOI: 10.1016/j.bios.2015.08.003] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 07/31/2015] [Accepted: 08/03/2015] [Indexed: 12/15/2022]
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17
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Electrochemical fabrication of polyproline modified graphite electrode decorated with Pd–Au bimetallic nanoparticles: Application for determination of carminic acid. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2015.11.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Ali MA, Hong W, Oren S, Wang Q, Wang Y, Jiang H, Dong L. Tunable bioelectrodes with wrinkled-ridged graphene oxide surfaces for electrochemical nitrate sensors. RSC Adv 2016. [DOI: 10.1039/c6ra09621b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Morphological transitions from wrinkles to localized ridges are realized in the graphene oxide layer of a bioelectrode by simple stretching and relaxing, which allow tuning and improving the sensing characteristics of the enzymatic nitrate sensor.
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Affiliation(s)
- Md. Azahar Ali
- Department of Electrical and Computer Engineering
- Iowa State University
- Ames
- USA
| | - Wei Hong
- Department of Aerospace Engineering
- Iowa State University
- Ames
- USA
| | - Seval Oren
- Department of Electrical and Computer Engineering
- Iowa State University
- Ames
- USA
| | - Qiugu Wang
- Department of Electrical and Computer Engineering
- Iowa State University
- Ames
- USA
| | - Yifei Wang
- Department of Electrical and Computer Engineering
- Iowa State University
- Ames
- USA
| | - Huawei Jiang
- Department of Electrical and Computer Engineering
- Iowa State University
- Ames
- USA
| | - Liang Dong
- Department of Electrical and Computer Engineering
- Iowa State University
- Ames
- USA
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Singh N, Reza KK, Ali MA, Agrawal VV, Biradar A. Self assembled DC sputtered nanostructured rutile TiO 2 platform for bisphenol A detection. Biosens Bioelectron 2015; 68:633-641. [DOI: 10.1016/j.bios.2015.01.041] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 12/31/2014] [Accepted: 01/19/2015] [Indexed: 02/07/2023]
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