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Nandhini C, Huang CH, Mani G, Arul P, Huang ST. Development of ternary hybrid composites of transition metal and noble metal-based heterostructures: Ultrasensitive simultaneous electrochemical detection of bisphenol A and bisphenol S in food samples. Food Chem 2024; 459:140451. [PMID: 39029424 DOI: 10.1016/j.foodchem.2024.140451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 07/11/2024] [Accepted: 07/11/2024] [Indexed: 07/21/2024]
Abstract
Bisphenols threaten human health and sensitive detection is crucial. The present study aims to develop ternary composites of copper metal-organic framework (Cu-MOF) with AuAg microstructures. The composite structure was formed by a galvanic displacement reaction and confirmed using SEM. A binder-free catalyst was used to study the electrochemical redox reaction of bisphenol A (BPA) and bisphenol S (BPS); an irreversible cyclic voltammetric signal at +0.70 V and + 0.91 V (vs. Ag/AgCl), in the dynamic range of 20 nM to 2.0 mM, and 10 nM to 1.0 mM, with limits of detection of 2.9 nM, and 3.2 nM (S/N = 3) was obtained. Practical analysis was applied to frozen tomatoes, tuna fish, milk powder, PET bottles, raw milk, and urine samples with a recovery rate of 94.00-100.80% (n = 3). Voltammetric results were validated using HPLC detection with high precision. The sensor is a promising alternative platform for measuring BPA in food samples.
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Affiliation(s)
- Chinnathambi Nandhini
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24303, Taiwan
| | - Chi-Hsien Huang
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24303, Taiwan; Center for Plasma and Thin Film Technologies, Biochemical Technology R&D Center, Ming Chi University of Technology, New Taipei City 243303, Taiwan; College of Engineering, Chang Gung University, Taoyuan City 33302, Taiwan.
| | - Govindasamy Mani
- International Ph.D. Program in Innovative Technology of Biomedical Engineering and Medical Devices, Ming Chi University of Technology, New Taipei City 243301, Taiwan
| | - Ponnusamy Arul
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Sheng-Tung Huang
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
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2
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Prasanna SB, Lin YC, Ramaraj SK, Dhawan U, Liu X, Tung CW, Sakthivel R, Chung RJ. 2D/2D heterostructure Ni-Fe LDH/black phosphorus nanosheets with AuNP for noxious substance diphenylamine detection in food samples. Food Chem 2024; 432:137295. [PMID: 37659324 DOI: 10.1016/j.foodchem.2023.137295] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/17/2023] [Accepted: 08/24/2023] [Indexed: 09/04/2023]
Abstract
In this study, gold nanoparticles decorated on nickel-iron layered double hydroxide with black phosphorus nanosheets (AuNP/Ni-Fe LDH/BPNSs) composite were prepared using a stirring method. Analyte tracing is required for developing viable sensors. The AuNP/Ni-Fe LDH/BPNSs composite exhibited a large specific surface area, high conductivity, high electrocatalytic activity, and rapid electron transfer. These properties play a vital role in monitoring diphenylamine (DPA) in food samples. The formation of the AuNP/Ni-Fe LDH/BPNSs composite was confirmed using various structural and morphological characterization techniques. The electroanalytical character of the AuNP/Ni-Fe LDH/BPNSs composite was evaluated using voltammetry. Interestingly, the AuNP/Ni-Fe LDH/BPNSs showed a wide linear range of 0.0125-1003.82 μM and a detection limit of 4.63 nM with a sensitivity of 0.399 µA µM-1 cm-2. The constructed sensor shows considerable selectivity, stability, repeatability, and reproducibility, and the practicability of DPA was monitored in the apples, sweet tomatoes, pears, and grapes with satisfactory recoveries.
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Affiliation(s)
- Sanjay Ballur Prasanna
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Yu-Chien Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Sayee Kannan Ramaraj
- PG& Research Department of Chemistry, Thiagarajar College, Madurai 09, Tamilnadu, India
| | - Udesh Dhawan
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, James Watt School of Engineering, Mazumdar-Shaw Advanced Research Centre, University of Glasgow, Glasgow G116EW, UK
| | - Xinke Liu
- College of Materials Science and Engineering, Chinese Engineering and Research Institute of Microelectronics, Shenzhen University, Shenzhen 518060, China; Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
| | - Ching-Wei Tung
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, Taiwan.
| | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan.
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; High-value Biomaterials Research and Commercialization Center, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan.
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3
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Bagchi D. Electron Microscopy Methods for Phage-Based Study. Methods Mol Biol 2024; 2793:163-174. [PMID: 38526730 DOI: 10.1007/978-1-0716-3798-2_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Electron microscopy (EM) techniques play a vital role in virology research including phage discovery and their identification. The use of different staining protocols based on the concept of negative staining is one of the most important steps in the EM processing. This chapter will summarize the widely used EM protocols in phage research, their advantages, and limitations. Phage-based therapy, especially recently developed nanoparticle-phage conjugates, are expected to find clinical significance in the antimicrobial resistance (AMR) epidemic. EM techniques are important to characterize these conjugates and we will also discuss the methods here.
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Affiliation(s)
- Damayanti Bagchi
- Department of Chemical Physiology and Biochemistry, Oregon Health and Science University, Portland, OR, USA
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA, USA
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4
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Oshima M, Moriwaki H. Photoreduction of Cr(VI) by TiO 2 adsorbed gold nanoparticles and perylene as a novel organic-inorganic hybrid photocatalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:69122-69134. [PMID: 37129822 DOI: 10.1007/s11356-023-27283-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 04/24/2023] [Indexed: 05/03/2023]
Abstract
The photoreduction of hexavalent chromium (Cr(VI)) using TiO2 adsorbed gold nanoparticles and perylene (Au/Pe/TiO2) as a novel organic-inorganic hybrid photocatalyst has been studied. The irradiation by a Xe lamp of a Cr (VI) aqueous solution (0.1 mM) with the Au/Pe/TiO2 powder resulted in the reduction of the Cr(VI). The rate of Cr(VI) reduction reached 98.3% by the irradiation for 60 min. The reaction rate constant using Au/Pe/TiO2 (0.0545 min-1) was higher than that of TiO2 (0.0218 min-1), Pe/TiO2 (0.0303 min-1), or Au/TiO2 (0.0393 min-1). Gold nanoparticles and perylene synergistically accelerated the TiO2 photocatalytic reaction. This result is due to the Z-scheme electron transfer between Pe and TiO2 and the suppression of charge recombination by the gold nanoparticles. The irradiation of sunlight also led to the photocatalytic reduction of the Cr(VI) by Au/Pe/TiO2. In addition, successive reduction of the Cr(VI) was achieved by using a column packed with the Au/Pe/TiO2 powder immobilized by calcium alginate gel.
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Affiliation(s)
- Mahiro Oshima
- Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, 386-8567, Japan
| | - Hiroshi Moriwaki
- Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, 386-8567, Japan.
- Research Initiative for Supra-Materials, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 3-15-1, Tokida, Ueda, 386-8567, Japan.
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Newly Synthesized Multifunctional Biopolymer Coated Magnetic Core/Shell Fe3O4@Au Nanoparticles for Evaluation of L-asparaginase Immobilization. Top Catal 2022. [DOI: 10.1007/s11244-022-01742-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Doghish AS, Hashem AH, Shehabeldine AM, Sallam AAM, El-Sayyad GS, Salem SS. Nanocomposite based on gold nanoparticles and carboxymethyl cellulose: Synthesis, characterization, antimicrobial, and anticancer activities. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103874] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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7
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Irfan M, Moniruzzaman M, Ahmad T, Samsudin MFR, Bashir F, Butt MT, Ashraf H. Identifying the role of process conditions for synthesis of stable gold nanoparticles and insight detail of reaction mechanism. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1897614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Muhammad Irfan
- Centre for Environmental Protection Studies, Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan
| | - Muhammad Moniruzzaman
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
- Centre of Researches in Ionic liquids, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
| | - Tausif Ahmad
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak, Malaysia
| | | | - Farzana Bashir
- Centre for Environmental Protection Studies, Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan
| | - Muhammad Tahir Butt
- Centre for Environmental Protection Studies, Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Lahore, Pakistan
| | - Hafsa Ashraf
- Institute of Environmental Engineering and Research, University of Engineering and Technology, Lahore, Pakistan
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Sulowska K, Wiwatowski K, Ćwierzona M, Niedziółka-Jönsson J, Maćkowski S. Real-time fluorescence sensing of single photoactive proteins using silver nanowires. Methods Appl Fluoresc 2020; 8:045004. [PMID: 33021212 DOI: 10.1088/2050-6120/aba7cb] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We demonstrate that single functionalized silver nanowires form a geometric platform suitable for efficient real-time detection of single photoactive proteins. By collecting series of images using wide-field fluorescence microscopy, events of single protein attachment can be distinguished with the signal to noise ratio further improved by fluorescence enhancement due to plasmon excitations in the nanowires. The enhancement is evidenced by strong shortening of the fluorescence decay of single photoactive proteins conjugated to the silver nanowires.
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Affiliation(s)
- Karolina Sulowska
- Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland
| | - Kamil Wiwatowski
- Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland
| | - Maciej Ćwierzona
- Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland
| | - Joanna Niedziółka-Jönsson
- Institute of Physical Chemistry Polish Academy of Sciences, ul. Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Sebastian Maćkowski
- Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland.,Baltic Institute of Technology, Al. Zwycięstwa 96/98, 81-451 Gdynia, Poland
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9
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Effect of electrical discharge plasma on cytotoxicity against cancer cells of N,O-carboxymethyl chitosan-stabilized gold nanoparticles. Carbohydr Polym 2020; 237:116162. [PMID: 32241415 DOI: 10.1016/j.carbpol.2020.116162] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 03/04/2020] [Accepted: 03/11/2020] [Indexed: 02/07/2023]
Abstract
Electrical discharge plasma in a liquid phase can generate reactive species, e.g. hydroxyl radical, leading to rapid reactions including degradation of biopolymers. In this study, the effect of plasma treatment time on physical properties and cytotoxicity against cancer cells of N,O-carboxymethyl chitosan-stabilized gold nanoparticles (CMC-AuNPs) was investigated. AuNPs were synthesized by chemical reduction of HAuCl4 in 2 % CMC solution to obtain CMC-AuNPs, before being subjected to the plasma treatment. Results showed that the plasma treatment not only led to the reduction of hydrodynamic diameters of CMC-AuNPs from 400 nm to less than 100 nm by the plasma-induced degradation of CMC but also provided the narrow size distribution of AuNPs having diameters in the range of 2-50 nm, that were existing in CMC-AuNPs. In addition, the plasma-treated CMC-AuNPs could significantly reduce the percentage of cell viability of breast cancer cells by approximately 80 % compared to the original CMC and CMC-AuNPs.
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10
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Irfan M, Moniruzzaman M, Ahmad T, Mandal PC, Abdullah B, Bhattacharjee S. Growth kinetic study of ionic liquid mediated synthesis of gold nanoparticles using Elaeis guineensis (oil palm) kernels extract under microwave irradiation. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.07.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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11
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Kannan P, Chen J, Su F, Guo Z, Huang Y. Faraday-Cage-Type Electrochemiluminescence Immunoassay: A Rise of Advanced Biosensing Strategy. Anal Chem 2019; 91:14792-14802. [PMID: 31692335 DOI: 10.1021/acs.analchem.9b04503] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Electrochemiluminescence immunoassays are usually carried out through "on-electrode" strategy, i.e., sandwich-type immunoassay format, the sensitivity of which is restricted by two key bottlenecks: (1) the number of signal labels is limited and (2) only a part of signal labels could participate in the electrode reaction. In this Perspective, we discuss the development of an "in-electrode" Faraday-cage-type concept-based immunocomplex immobilization strategy. The biggest difference from the traditional sandwich-type one is that the designed "in-electrode" Faraday-cage-type immunoassay uses a conductive two-dimensional (2-D) nanomaterial simultaneously coated with signal labels and a recognition component as the detection unit, which could directly overlap on the electrode surface. In such a case, electrons could flow freely from the electrode to the detection unit, the outer Helmholtz plane (OHP) of the electrode is extended, and thousands of signal labels coated on the 2-D nanomaterial are all electrochemically "effective." Thus, then, the above-mentioned bottlenecks obstructing the improvement of the sensitivity in sandwich-type immunoassay are eliminated, and as a result a much higher sensitivity of the Faraday-cage-type immunoassay can be obtained. And, the applications of the proposed versatile "in-electrode" Faraday-cage-type immunoassay have been explored in the detection of target polypeptide, protein, pathogen, and microRNA, with the detection sensitivity improved tens to hundreds of times. Finally, the outlook and challenges in the field are summarized. The rise of Faraday-cage-type electrochemiluminescence immunoassay (FCT-ECLIA)-based biosensing strategies opens new horizons for a wide range of early clinical identification and diagnostic applications.
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Affiliation(s)
- Palanisamy Kannan
- College of Biological, Chemical Sciences and Engineering , Jiaxing University , Jiaxing 314001 , People's Republic of China
| | - Jing Chen
- Division of Polymer and Composite Materials , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Science (CAS) , Ningbo 315201 , People's Republic of China
| | - Fengmei Su
- National Engineering Research Centre for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education , Zhengzhou University , Zhengzhou 450002 , People's Republic of China
| | - Zhiyong Guo
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, State Key Laboratory Base of Novel Functional Materials and Preparation Science, School of Materials Science and Chemical Engineering , Ningbo University , Ningbo 315211 , People's Republic of China
| | - Youju Huang
- College of Materials, Chemistry and Chemical Engineering , Hangzhou Normal University , Hangzhou 311121 , People's Republic of China
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12
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Kannan P, Subramanian P, Maiyalagan T, Jiang Z. Cobalt Oxide Porous Nanocubes-Based Electrochemical Immunobiosensing of Hepatitis B Virus DNA in Blood Serum and Urine Samples. Anal Chem 2019; 91:5824-5833. [PMID: 30917656 DOI: 10.1021/acs.analchem.9b00153] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
In this work, we report a new biosensing platform for hepatitis B virus (HBV) DNA genosensing using cobalt oxide (Co3O4) nanostructures. The tunable morphologies of Co3O4 nanostructures such as porous nanocubes (PNCs), nanooctahedra (NOHs), and nanosticks (NSKs) are synthesized, and characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) patterns, nitrogen adsorption/desorption isotherms (BET), and electrochemical impedance spectral (EIS) methods. The HBV probe DNA (ssDNA) is immobilized on the Co3O4 nanostructures through coordinate bond formation between nucleic acid of ssDNA and Co metal, which results in highly stable nanostructured biosensing platform. To the best of our knowledge, first time the target cDNA of HBV is detected using ssDNA/Co3O4PNCs/GCE electrode by EIS method with a limit of detection (LOD) of 0.38 pM (signal-to-noise ratio (S/N) = 3). Moreover, the ssDNA/Co3O4PNCs/GCE has shown excellent specificity to HBV target cDNA, compared with noncomplementary DNA, and 1- and 3-mismatch DNAs. Finally, we explore ssDNA/Co3O4PNCs/GCE as potential electrode to test HBV DNA in blood serum and urine samples for practical applications.
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Affiliation(s)
- Palanisamy Kannan
- College of Biological, Chemical Sciences and Engineering , Jiaxing University , Jiaxing , Zhejiang - 314001 , People's Republic of China
| | - Palaniappan Subramanian
- Department of Material Engineering , KU Leuven , Kasteelpark Arenberg 44, P.O. Box 2450 , B-3001 Heverlee , Belgium
| | - Thandavarayan Maiyalagan
- Electrochemical Energy Laboratory, Department of Chemistry , SRM Institute of Science and Technology , Kattankulathur 603203 , India
| | - Zhongqing Jiang
- Department of Physics, Key Laboratory of ATMMT Ministry of Education , Zhejiang Sci-Tech University , Hangzhou 310018 , People's Republic of China
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Jeevanandam J, Pal K, Danquah MK. Virus-like nanoparticles as a novel delivery tool in gene therapy. Biochimie 2018; 157:38-47. [PMID: 30408502 DOI: 10.1016/j.biochi.2018.11.001] [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: 08/26/2018] [Accepted: 11/01/2018] [Indexed: 02/07/2023]
Abstract
Viruses are considered as natural nanomaterials as they are in the size range of 20-500 nm with a genetical material either DNA or RNA, which is surrounded by a protein coat capsid. Recently, the field of virus nanotechnology is gaining significant attention from researchers. Attention is given to the utilization of viruses as nanomaterials for medical, biotechnology and energy applications. Removal of genetic material from the viral capsid creates empty capsid for drug incorporation and coating the capsid protein crystals with antibodies, enzymes or aptamers will enhance their targeted drug deliver efficiency. Studies reported that these virus-like nanoparticles have been used in delivering drugs for cancer. It is also used in imaging and sensory applications for various diseases. However, there is reservation among researchers to utilize virus-like nanoparticles in targeted delivery of genes in gene therapy, as there is a possibility of using virus-like nanoparticles for targeted gene delivery. In addition, other biomedical applications that are explored using virus-like nanoparticles and the probable mechanism of delivering genes.
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Affiliation(s)
- Jaison Jeevanandam
- Department of Chemical Engineering, Faculty of Engineering and Science, Curtin University, CDT250, Miri, Sarawak, 98009, Malaysia
| | - Kaushik Pal
- Bharath Institute of Higher Education and Research, Bharath University, Department of Nanotechnology, Research Park, 173 Agharam Road, Selaiyur, Chennai, 600073, Tamil Nadu, India.
| | - Michael K Danquah
- Chemical Engineering Department, University of Tennessee, Chattanooga, TN, 37403, United States
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Jeong YJ, Koo WT, Jang JS, Kim DH, Cho HJ, Kim ID. Chitosan-templated Pt nanocatalyst loaded mesoporous SnO 2 nanofibers: a superior chemiresistor toward acetone molecules. NANOSCALE 2018; 10:13713-13721. [PMID: 29989640 DOI: 10.1039/c8nr03242d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In this work, we introduce a chitosan-Pt complex (CS-Pt) as an effective template for catalytic Pt sensitization and creation of abundant mesopores in SnO2 nanofibers (NFs). The Pt particles encapsulated by the CS exhibit ultrasmall size (∼2.6 nm) and high dispersion characteristics due to repulsion between CS molecules. By combining CS-Pt with electrospinning, mesoporous SnO2 NFs uniformly functionalized with the Pt catalyst (CS-Pt@SnO2 NFs) are synthesized. Particularly, numerous mesopores with diameters of ∼20 nm form through the decomposition of CS, while a small SnO2 grain size (14.32 nm) is achieved by the pinning effect of CS. It is observed that CS-Pt@SnO2 NFs exhibit outstanding response (Rair/Rgas = 141.92 at 5 ppm), excellent selectivity, stability, and fast response (12 s)/recovery (44 s) speed toward 1 ppm of acetone at 350 °C and high humidity (90% RH). In addition, by applying an exponential fitting tool to experimental response values toward 0.1-5 ppm of acetone, it is estimated that CS-Pt@SnO2 NFs can detect 5 ppb of acetone with a notable response (Rair/Rgas = 2.9). Furthermore, the sensor array based on CS-Pt@SnO2 NFs, CS-driven SnO2 NFs, polyol-Pt loaded SnO2 NFs, and dense SnO2 NFs obviously classifies simulated diabetic breath and healthy human breath by using a pattern recognition tool. These results clearly demonstrate that mesoporous SnO2 NFs, particularly functionalized with CS-Pt templated nanocatalysts, open up a new class of sensing layers offering high sensitivity and selectivity.
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Affiliation(s)
- Yong Jin Jeong
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
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15
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Ahmad T, Bustam MA, Irfan M, Moniruzzaman M, Anwaar Asghar HM, Bhattacharjee S. Green synthesis of stabilized spherical shaped gold nanoparticles using novel aqueous Elaeis guineensis (oil palm) leaves extract. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.095] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Petrescu DS, Blum AS. Viral-based nanomaterials for plasmonic and photonic materials and devices. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 10:e1508. [PMID: 29418076 DOI: 10.1002/wnan.1508] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 10/18/2017] [Accepted: 12/19/2017] [Indexed: 11/09/2022]
Abstract
Over the last decade, viruses have established themselves as a powerful tool in nanotechnology. Their proteinaceous capsids benefit from biocompatibility, chemical addressability, and a variety of sizes and geometries, while their ability to encapsulate, scaffold, and self-assemble enables their use for a wide array of purposes. Moreover, the scaling up of viral-based nanotechnologies is facilitated by high capsid production yield and speed, which is particularly advantageous when compared with slower and costlier lithographic techniques. These features enable the bottom-up fabrication of photonic and plasmonic materials, which relies on the precise arrangement of photoactive material at the nanoscale to control phenomena such as electromagnetic wave propagation and energy transfer. The interdisciplinary approach required for the fabrication of such materials combines techniques from the life sciences and device engineering, thus promoting innovative research. Materials with applications spanning the fields of sensing (biological, chemical, and physical sensors), nanomedicine (cellular imaging, drug delivery, phototherapy), energy transfer and conversion (solar cells, light harvesting, photocatalysis), metamaterials (negative refraction, artificial magnetism, near-field amplification), and nanoparticle synthesis are considered with exclusive emphasis on viral capsids and protein cages. This article is categorized under: Biology-Inspired Nanomaterials > Protein and Virus-Based Structures.
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Mei S, Qi H, Zhou T, Li CY. Precisely Assembled Cyclic Gold Nanoparticle Frames by 2D Polymer Single‐Crystal Templating. Angew Chem Int Ed Engl 2017; 56:13645-13649. [DOI: 10.1002/anie.201706180] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Shan Mei
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
| | - Hao Qi
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
| | - Tian Zhou
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
| | - Christopher Y. Li
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
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18
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Mei S, Qi H, Zhou T, Li CY. Precisely Assembled Cyclic Gold Nanoparticle Frames by 2D Polymer Single‐Crystal Templating. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706180] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shan Mei
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
| | - Hao Qi
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
| | - Tian Zhou
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
| | - Christopher Y. Li
- Department of Materials Science and Engineering Drexel University Philadelphia PA 19104 USA
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Peltomaa R, López-Perolio I, Benito-Peña E, Barderas R, Moreno-Bondi MC. Application of bacteriophages in sensor development. Anal Bioanal Chem 2015; 408:1805-28. [DOI: 10.1007/s00216-015-9087-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/24/2015] [Accepted: 09/28/2015] [Indexed: 12/19/2022]
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Dolinska J, Kannan P, Sobczak JW, Opallo M. Glucose Electrooxidation in Bimetallic Suspensions of Nanoparticles in Alkaline Media. ChemElectroChem 2015. [DOI: 10.1002/celc.201402436] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Huang Y, Kannan P, Zhang L, Rong Y, Dai L, Huang R, Chen T. Close-packed assemblies of discrete tiny silver nanoparticles on triangular gold nanoplates as a high performance SERS probe. RSC Adv 2015. [DOI: 10.1039/c5ra18195j] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An island like array of tiny Ag nanoparticles bounded on triangular Au nanoplates was synthesized as surface-enhanced Raman spectroscopy substrate.
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Affiliation(s)
- Youju Huang
- Division of Polymer and Composite Materials
- Ningbo Institute of Material Technology and Engineering
- Chinese Academy of Science
- Ningbo 315201
- China
| | - Palanisamy Kannan
- Singapore Centre on Environmental Life Science Engineering (SCELSE)
- Nanyang Technological University
- Singapore
| | - Lei Zhang
- Division of Polymer and Composite Materials
- Ningbo Institute of Material Technology and Engineering
- Chinese Academy of Science
- Ningbo 315201
- China
| | - Yun Rong
- Division of Polymer and Composite Materials
- Ningbo Institute of Material Technology and Engineering
- Chinese Academy of Science
- Ningbo 315201
- China
| | - Liwei Dai
- Division of Polymer and Composite Materials
- Ningbo Institute of Material Technology and Engineering
- Chinese Academy of Science
- Ningbo 315201
- China
| | - Rongqin Huang
- Key Laboratory of Smart Drug Delivery
- Ministry of Education (Fudan University)
- Shanghai 201203
- China
| | - Tao Chen
- Division of Polymer and Composite Materials
- Ningbo Institute of Material Technology and Engineering
- Chinese Academy of Science
- Ningbo 315201
- China
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