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Lu Y, Wu Y, Tang Z, Hou Y, Cui M, Huang S, Long B, Yu Z, Iqbal MZ, Kong X. Synthesis of Multifunctional Mn 3O 4-Ag 2S Janus Nanoparticles for Enhanced T 1-Magnetic Resonance Imaging and Photo-Induced Tumor Therapy. SENSORS (BASEL, SWITZERLAND) 2023; 23:8930. [PMID: 37960633 PMCID: PMC10647565 DOI: 10.3390/s23218930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/26/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
The global burden of cancer is increasing rapidly, and nanomedicine offers promising prospects for enhancing the life expectancy of cancer patients. Janus nanoparticles (JNPs) have garnered considerable attention due to their asymmetric geometry, enabling multifunctionality in drug delivery and theranostics. However, achieving precise control over the self-assembly of JNPs in solution at the nanoscale level poses significant challenges. Herein, a low-temperature reversed-phase microemulsion system was used to obtain homogenous Mn3O4-Ag2S JNPs, which showed significant potential in cancer theranostics. Structural characterization revealed that the Ag2S (5-10 nm) part was uniformly deposited on a specific surface of Mn3O4 to form a Mn3O4-Ag2S Janus morphology. Compared to the single-component Mn3O4 and Ag2S particles, the fabricated Mn3O4-Ag2S JNPs exhibited satisfactory biocompatibility and therapeutic performance. Novel diagnostic and therapeutic nanoplatforms can be guided using the magnetic component in JNPs, which is revealed as an excellent T1 contrast enhancement agent in magnetic resonance imaging (MRI) with multiple functions, such as photo-induced regulation of the tumor microenvironment via producing reactive oxygen species and second near-infrared region (NIR-II) photothermal excitation for in vitro tumor-killing effects. The prime antibacterial and promising theranostics results demonstrate the extensive potential of the designed photo-responsive Mn3O4-Ag2S JNPs for biomedical applications.
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Affiliation(s)
- Yuguang Lu
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuling Wu
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zhe Tang
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yike Hou
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Mingyue Cui
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Shuqi Huang
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Binghua Long
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zhangsen Yu
- Laboratory of Nanomedicine, Medical Science Research Center, School of Medicine, Shaoxing University, Shaoxing 312000, China;
| | - Muhammad Zubair Iqbal
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiangdong Kong
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
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2
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Soares KS, Nascimento SQ, Mazzetto SE, Ribeiro VG, Mele G, Carbone L, Luz RA, Gerôncio ETS, Cantanhêde W. Structural, photoluminescent and electrochemical properties of self-assembled Co3[Co(CN)6]2/ZnO nanocomposite. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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3
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Gao Y, Lu S, Chen W, Zhang J, Feng C, Liu Y. Controlling the Thermal Conductivity of Monolayer Graphene with Kirigami Structure. MEMBRANES 2022; 12:1128. [PMID: 36363683 PMCID: PMC9694673 DOI: 10.3390/membranes12111128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
In this work, the thermal conductivity performance of graphene kirigami (GK) was systematically investigated via molecular dynamics (MD) simulations. The results indicate that the degree of defects (DD) on GK has a significant influence on thermal conductivity. Reducing the DD is the most effective way to decrease the thermal conductivity of GK. For zigzag-incised GK sheets, the change rate of thermal conductivity can reach up to 1.86 W/mK per 1% change in DD by tuning the incision length. The rate of changing thermal conductivity with DD can be slowed down by changing the width among incisions. Compared with the zigzag-incised GK sheets, heat transfer across the armchair-incised GK comes out more evenly, without significant steep and gentle stages along the heat transfer routes. More importantly, the GK structure can adjust the thermal conductivity by stretching, which the previously reported nanoporous graphene does not have. The change rate of thermal conductivity achieves about 0.17 W/mK with 1% stretching strain for simulated GK and can be further reduced at high tensile strain rates, benefiting the precise and variable control of the thermal conductivity of the monolayer graphene.
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Affiliation(s)
- Yuan Gao
- School of Transportation and Civil Engineering, Nantong University, Nantong 226019, China
| | - Shuaijie Lu
- School of Transportation and Civil Engineering, Nantong University, Nantong 226019, China
| | - Weiqiang Chen
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, The University of Manchester, Manchester M13 9PL, UK
| | - Jinyuan Zhang
- School of Life Sciences, Nantong University, Nantong 226019, China
| | - Chundi Feng
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, The University of Manchester, Manchester M13 9PL, UK
| | - Yanming Liu
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
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4
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Pyrazinederived 1,2,3-triazole linked silanes and their magnetic nanoparticles for the colorimetric and fluorimetric dual sensing of Cu2+ ions. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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5
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Niu B, Chen Y, Zhang L, Tan J. Organic–inorganic hybrid nanomaterials prepared via polymerization-induced self-assembly: recent developments and future opportunities. Polym Chem 2022. [DOI: 10.1039/d2py00180b] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This review highlights recent developments in the preparation of organic–inorganic hybrid nanomaterials via polymerization-induced self-assembly.
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Affiliation(s)
- Bing Niu
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ying Chen
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Li Zhang
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
| | - Jianbo Tan
- Department of Polymeric Materials and Engineering, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, Guangzhou 510006, China
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6
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Pokrajac L, Abbas A, Chrzanowski W, Dias GM, Eggleton BJ, Maguire S, Maine E, Malloy T, Nathwani J, Nazar L, Sips A, Sone J, van den Berg A, Weiss PS, Mitra S. Nanotechnology for a Sustainable Future: Addressing Global Challenges with the International Network4Sustainable Nanotechnology. ACS NANO 2021; 15:18608-18623. [PMID: 34910476 DOI: 10.1021/acsnano.1c10919] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Nanotechnology has important roles to play in international efforts in sustainability. We discuss how current and future capabilities in nanotechnology align with and support the United Nations' Sustainable Development Goals. We argue that, as a field, we can accelerate the progress toward these goals both directly through technological solutions and through our special interdisciplinary skills in communication and tackling difficult challenges. We discuss the roles of targeting solutions, technology translation, the circular economy, and a number of examples from national efforts around the world in reaching these goals. We have formed a network of leading nanocenters to address these challenges globally and seek to recruit others to join us.
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Affiliation(s)
- Lisa Pokrajac
- Waterloo Institute for Nanotechnology, University of Waterloo, Mike & Ophelia Lazaridis Quantum Nano Centre, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
| | - Ali Abbas
- The University of Sydney Nano Institute, Camperdown, New South Wales 2006, Australia
| | - Wojciech Chrzanowski
- The University of Sydney Nano Institute, Camperdown, New South Wales 2006, Australia
| | - Goretty M Dias
- Waterloo Institute for Nanotechnology, University of Waterloo, Mike & Ophelia Lazaridis Quantum Nano Centre, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
| | - Benjamin J Eggleton
- The University of Sydney Nano Institute, Camperdown, New South Wales 2006, Australia
| | - Steven Maguire
- The University of Sydney Nano Institute, Camperdown, New South Wales 2006, Australia
| | - Elicia Maine
- Beedie School of Business, Simon Fraser University, 500 Granville Street, Vancouver, British Columbia V6C 1W6, Canada
| | - Timothy Malloy
- University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Jatin Nathwani
- Waterloo Institute for Nanotechnology, University of Waterloo, Mike & Ophelia Lazaridis Quantum Nano Centre, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
| | - Linda Nazar
- Waterloo Institute for Nanotechnology, University of Waterloo, Mike & Ophelia Lazaridis Quantum Nano Centre, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
| | - Adrienne Sips
- National Institute for Public Health and the Environment, Antonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, The Netherlands
| | - Jun'ichi Sone
- Japan Science and Technology Agency, Kawaguchi Center Building, 4 Chome-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Albert van den Berg
- MESA+ Institute for Nanotechnology, University of Twente, Hallenweg 15, 7522 NH Enschede, The Netherlands
| | - Paul S Weiss
- California NanoSystems Institute, Department of Chemistry & Biochemistry, Department of Bioengineering, and Department of Materials Science & Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Sushanta Mitra
- Waterloo Institute for Nanotechnology, University of Waterloo, Mike & Ophelia Lazaridis Quantum Nano Centre, 200 University Avenue W, Waterloo, Ontario N2L 3G1, Canada
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Chandler M, Johnson B, Khisamutdinov E, Dobrovolskaia MA, Sztuba-Solinska J, Salem AK, Breyne K, Chammas R, Walter NG, Contreras LM, Guo P, Afonin KA. The International Society of RNA Nanotechnology and Nanomedicine (ISRNN): The Present and Future of the Burgeoning Field. ACS NANO 2021; 15:16957-16973. [PMID: 34677049 PMCID: PMC9023608 DOI: 10.1021/acsnano.0c10240] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The International Society of RNA Nanotechnology and Nanomedicine (ISRNN) hosts an annual meeting series focused on presenting the latest research achievements involving RNA-based therapeutics and strategies, aiming to expand their current biomedical applications while overcoming the remaining challenges of the burgeoning field of RNA nanotechnology. The most recent online meeting hosted a series of engaging talks and discussions from an international cohort of leading nanotechnologists that focused on RNA modifications and modulation, dynamic RNA structures, overcoming delivery limitations using a variety of innovative platforms and approaches, and addressing the newly explored potential for immunomodulation with programmable nucleic acid nanoparticles. In this Nano Focus, we summarize the main discussion points, conclusions, and future directions identified during this two-day webinar as well as more recent advances to highlight and to accelerate this exciting field.
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Affiliation(s)
- Morgan Chandler
- Nanoscale Science Program, Department of Chemistry, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
| | - Brittany Johnson
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
| | - Emil Khisamutdinov
- Department of Chemistry, Ball State University, Muncie, Indiana 47304, United States
| | - Marina A Dobrovolskaia
- Nanotechnology Characterization Lab, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, Maryland 21702, United States
| | - Joanna Sztuba-Solinska
- Department of Biological Sciences, Auburn University, 120 W. Samford Avenue, Rouse Life Sciences Building, Auburn, Alabama 36849, United States
| | - Aliasger K Salem
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, Iowa 52242, United States
| | - Koen Breyne
- Molecular Neurogenetics Unit, Department of Neurology and Center for Molecular Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachussets 02114, United States
| | - Roger Chammas
- Nanoscale Science Program, Department of Chemistry, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
- Centro de Investigação Translacional em Oncologia, Departamento de Radiologia e Oncologia, Instituto do Cancer do Estado de São Paulo - ICESP, Faculdade de Medicina da Universidade de São Paulo - FMUSP, Avenida Dr. Arnaldo 251, Cerqueira César, São Paulo 01246-000, São Paulo, Brazil
| | - Nils G Walter
- Single Molecule Analysis Group, Department of Chemistry and Center for RNA Biomedicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Lydia M Contreras
- McKetta Department of Chemical Engineering and Department of Cellular and Molecular Biology, University of Texas at Austin, Austin, Texas 78714, United States
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Division of Pharmaceutics and Pharmaceutical Chemistry, College of Medicine, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio 43210, United States
| | - Kirill A Afonin
- Nanoscale Science Program, Department of Chemistry, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
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8
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Schara S, Blau R, Church DC, Pokorski JK, Lipomi DJ. Polymer Chemistry for Haptics, Soft Robotics, and Human-Machine Interfaces. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2008375. [PMID: 34924911 PMCID: PMC8673772 DOI: 10.1002/adfm.202008375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Indexed: 05/05/2023]
Abstract
Progress in the field of soft devices-i.e., haptics, robotics, and human-machine interfaces (HRHMIs)-has its basis in the science of polymeric materials and chemical synthesis. However, in examining the relevant literature, we find that most developments have been enabled by off-the-shelf materials used either alone or as components of physical blends and composites. In this Progress Report, we take the position that a greater awareness of the capabilities of synthetic chemistry will accelerate the capabilities of HRHMIs. Conversely, an awareness of the applications sought by engineers working in this area may spark the development of new molecular designs and synthetic methodologies by chemists. We highlight several applications of active, stimuli-responsive polymers, which have demonstrated or shown potential use in HRHMIs. These materials share the fact that they are products of state-of-the-art synthetic techniques. The Progress Report is thus organized by the chemistry by which the materials were synthesized, including controlled radical polymerization, metal-mediated cross-coupling polymerization, ring-opening polymerization, various strategies for crosslinking, and hybrid approaches. These methods can afford polymers with multiple properties (i.e. conductivity, stimuli-responsiveness, self-healing and degradable abilities, biocompatibility, adhesiveness, and mechanical robustness) that are of great interest to scientists and engineers concerned with soft devices for human interaction.
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Affiliation(s)
- Steven Schara
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Rachel Blau
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Derek C. Church
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Jonathan K. Pokorski
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Darren J. Lipomi
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
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9
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Wils RS, Jacobsen NR, Di Ianni E, Roursgaard M, Møller P. Reactive oxygen species production, genotoxicity and telomere length in FE1-Muta™Mouse lung epithelial cells exposed to carbon nanotubes. Nanotoxicology 2021; 15:661-672. [PMID: 33899660 DOI: 10.1080/17435390.2021.1910359] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Carbon nanotubes (CNTs) are fiber-like nanomaterials, which are used in various applications with possible exposure to humans. The genotoxicity and carcinogenic potential of CNTs remain to be fully understood. This study assessed the genotoxicity of three different multi-walled carbon nanotubes (MWCNTs) (MWCNT-7, NM-401 and NM-403) and one single-walled carbon nanotube (SWCNT) (NM-411) in FE1-Muta™Mouse lung epithelial (MML) cells using the alkaline comet assay. With the 2',7'-dichlorodihydrofluorescein diacetate fluorescent probe, we assessed the effect of CNT-exposure on the intracellular production of reactive oxygen species (ROS). We measured the effect of a 10-week CNT exposure on telomere length using quantitative PCR. Two of the included MWCNTs (NM-401 and MWCNT-7) and the SWCNT (NM-411) caused a significant increase in the level of DNA damage at concentrations up to 40 µg/ml (all concentrations pooled, p < 0.05), but no concentration-response relationships were found. All of the CNTs caused an increase in intracellular ROS production compared to unexposed cells (ptrend < 0.05). Results from the long-term exposure showed longer telomere length in cells exposed to MWCNTs compared to unexposed cells (p < 0.01). In conclusion, our results indicated that the included CNTs cause ROS production and DNA strand breaks in FE1-MML cells. Moreover, the MWCNTs, but not the SWCNT, had an impact on telomere length in a long-term exposure scenario.
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Affiliation(s)
- Regitze Sølling Wils
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark.,The National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | | | - Emilio Di Ianni
- The National Research Centre for the Working Environment, Copenhagen Ø, Denmark
| | - Martin Roursgaard
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark
| | - Peter Møller
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark
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10
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Electric field effects on the charge transport in organic semiconductors based on improved variable-range hopping theory. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2020.138275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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Singh G, Diksha, Singh A, Satija P, Pawan, Mohit, González-Silvera D, Espinosa-Ruíz C, Esteban MA. Organosilanes and their magnetic nanoparticles as naked eye red emissive sensors for Ag + ions and potent anti-oxidants. NEW J CHEM 2021. [DOI: 10.1039/d1nj00242b] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This work involves the synthesis of organosilanes as colorimetric sensors for the detection of Ag+ ions, cytotoxicity studies and antioxidant activity.
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Affiliation(s)
| | - Diksha
- Department of Chemistry
- Panjab University
- Chandigarh
- India
| | - Akshpreet Singh
- Department of Chemistry
- Goswami Ganesh Dutta Sanatan Dharma College
- Chandigarh
- India
| | - Pinky Satija
- Department of Chemistry
- Panjab University
- Chandigarh
- India
| | - Pawan
- Department of Chemistry
- Panjab University
- Chandigarh
- India
| | - Mohit
- Department of Chemistry
- Panjab University
- Chandigarh
- India
| | - D. González-Silvera
- Department of Cell Biology & Histology
- Faculty of Biology
- University of Murcia
- 30100 Murcia
- Spain
| | - Cristóbal Espinosa-Ruíz
- Department of Cell Biology & Histology
- Faculty of Biology
- University of Murcia
- 30100 Murcia
- Spain
| | - María Angeles Esteban
- Department of Cell Biology & Histology
- Faculty of Biology
- University of Murcia
- 30100 Murcia
- Spain
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12
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Poudel K, Banstola A, Gautam M, Soe Z, Phung CD, Pham LM, Jeong JH, Choi HG, Ku SK, Tran TH, Yong CS, Kim JO. Macrophage-Membrane-Camouflaged Disintegrable and Excretable Nanoconstruct for Deep Tumor Penetration. ACS APPLIED MATERIALS & INTERFACES 2020; 12:56767-56781. [PMID: 33289550 DOI: 10.1021/acsami.0c17235] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The consolidation of nanovectors with biological membranes has recently been a subject of interest owing to the prolonged systemic circulation time and delayed clearance by the reticuloendothelial system of such systems. Among the different biomembranes, the macrophage membrane has a similar systemic circulation time, with an additional chemotactic aptitude, targeting integrin proteins. In this study, we aimed to establish a laser-activated, disintegrable, and deeply tumor-penetrative nanoplatform. We used a highly tumor-ablative and laser-responsive disintegrable copper sulfide nanoparticle, loaded it with paclitaxel, and camouflaged it with the macrophage membrane for the fabrication of PTX@CuS@MMNPs. The in vitro paclitaxel release profile was favorable for release in the tumor microenvironment, and the release was accelerated after laser exposure. Cellular internalization was improved by membrane encapsulation. Cellular uptake, cytotoxicity, reactive oxygen species generation, and apoptosis induction of PTX@CuS@MMNPs were further improved upon laser exposure, and boosted permeation was achieved by co-administration of the tumor-penetrating peptide iRGD. In vivo tumor accumulation, tumor inhibition rate, and apoptotic marker expression induced by PTX@CuS@MMNPs were significantly improved by laser irradiation and iRGD co-administration. PTX@CuS@MMNPs induced downregulation of cellular proliferation and angiogenic markers but no significant changes in body weight, survival, or significant toxicities in vital organs after laser exposure, suggesting their biocompatibility. The disintegrability of the nanosystem, accredited to biodegradability, favored efficient elimination from the body. In conclusion, PTX@CuS@MMNPs showed promising traits in combination therapies for excellent tumor eradication.
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Affiliation(s)
- Kishwor Poudel
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Asmita Banstola
- College of Pharmacy, Keimyung University, Daegu 42601, Republic of Korea
| | - Milan Gautam
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Zarchi Soe
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Cao Dai Phung
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Le Minh Pham
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Jee-Heon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Han-Gon Choi
- College of Pharmacy, Hanyang University, 55, Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea
| | - Sae Kwang Ku
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan 38610, Republic of Korea
| | - Tuan Hiep Tran
- Faculty of Pharmacy, Phenikaa University, Yen Nghia, Ha Dong District, Hanoi 100803, Vietnam
- PHENIKAA Research and Technology Institute (PRATI), A&A Green Phoenix Group JSC, No. 167 Hoang Ngan, Cau Giay, Hanoi 11313, Vietnam
| | - Chul Soon Yong
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Jong Oh Kim
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
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13
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Marichal L, Degrouard J, Gatin A, Raffray N, Aude JC, Boulard Y, Combet S, Cousin F, Hourdez S, Mary J, Renault JP, Pin S. From Protein Corona to Colloidal Self-Assembly: The Importance of Protein Size in Protein-Nanoparticle Interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:8218-8230. [PMID: 32585107 DOI: 10.1021/acs.langmuir.0c01334] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Protein adsorption on nanoparticles is an important field of study, particularly with regard to nanomedicine and nanotoxicology. Many factors can influence the composition and structure of the layer(s) of adsorbed proteins, the so-called protein corona. However, the role of protein size has not been specifically investigated, although some evidence has indicated its potential important role in corona composition and structure. To assess the role of protein size, we studied the interactions of hemoproteins (spanning a large size range) with monodisperse silica nanoparticles. We combined various techniques-adsorption isotherms, isothermal titration calorimetry, circular dichroism, and transmission electron cryomicroscopy-to address this issue. Overall, the results show that small proteins behaved as typical model proteins, forming homogeneous monolayers on the nanoparticle surface (protein corona). Their adsorption is purely enthalpy-driven, with subtle structural changes. In contrast, large proteins interact with nanoparticles via entropy-driven mechanisms. Their structure is completely preserved during adsorption, and any given protein can directly bind to several nanoparticles, forming bridges in these newly formed protein-nanoparticle assemblies. Protein size is clearly an overlooked factor that should be integrated into proteomics and toxicological studies.
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Affiliation(s)
- Laurent Marichal
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91190 Gif-sur-Yvette, France
- Université Paris-Saclay, CEA, CNRS, I2BC, B3S, 91190 Gif-sur-Yvette, France
| | - Jéril Degrouard
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Anouchka Gatin
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91190 Gif-sur-Yvette, France
| | - Nolwenn Raffray
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91190 Gif-sur-Yvette, France
| | | | - Yves Boulard
- Université Paris-Saclay, CEA, CNRS, I2BC, B3S, 91190 Gif-sur-Yvette, France
| | - Sophie Combet
- Université Paris-Saclay, Laboratoire Léon-Brillouin, UMR 12 CEA-CNRS, CEA-Saclay, 91191 Gif-sur-Yvette Cedex, France
| | - Fabrice Cousin
- Université Paris-Saclay, Laboratoire Léon-Brillouin, UMR 12 CEA-CNRS, CEA-Saclay, 91191 Gif-sur-Yvette Cedex, France
| | - Stéphane Hourdez
- Sorbonne Université, CNRS, Laboratoire Adaptation et Diversité en Milieu Marin, Team DYDIV, Station Biologique de Roscoff, 29680 Roscoff, France
| | - Jean Mary
- Sorbonne Université, CNRS, Laboratoire Adaptation et Diversité en Milieu Marin, Team DYDIV, Station Biologique de Roscoff, 29680 Roscoff, France
| | | | - Serge Pin
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91190 Gif-sur-Yvette, France
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Nayan V, Sinha ES, Onteru SK, Singh D. A proof-of-concept of lateral flow based luteinizing hormone detection in urine for ovulation prediction in buffaloes. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:3411-3424. [PMID: 32930230 DOI: 10.1039/d0ay00787k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We present a method for the detection of luteinizing hormone (LH) in buffalo urine by using gold nanoparticles (AuNPs) conjugated with novel anti-peptide antibodies against LH (anti LHP) in lateral flow assay format. Buffalo LH is an important reproductive hormone and is a chemically complex glycoprotein. Its surge release precedes ovulation and therefore detecting LH has implications in identifying the ovulation event. Any sensor thus developed for sensing LH may have the potential for predicting ovulation and hence can assist herd managers in making decisions on the timing of artificial insemination. Recombinant LH production is time consuming, difficult and costly. Hence, we identified an epitope peptide sequence in buffalo LH and raised antibodies against it. The chemically synthesized peptide and antibodies were used for developing the sensor. The gold nanoparticles and conjugates were characterized through physicochemical methods which confirmed the binding of peptides and antibodies to the gold nanoparticles. A qualitative ELISA for sensing LH was developed based on competitive binding of gold nanoparticles conjugated with the epitope peptide and LH towards the anti-peptide antibodies against LH. We also further explored the detection of LH in buffalo urine using the gold nanoparticle-LHP conjugate (AuNP-LHP) in dipstick format. These experiments provided a proof-of-concept towards applicability of the LH based sensor for ovulation prediction in buffaloes.
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Affiliation(s)
- Varij Nayan
- ICAR-National Dairy Research Institute, Molecular Endocrinology, Functional Genomics & Systems Biology Laboratory, Animal Biochemistry Division, Karnal, 132001, Haryana, India.
- ICAR-Central Institute for Research on Buffaloes, Molecular Endocrinology, Functional Genomics & Computational Biology Laboratory, Animal Biochemistry, APR Division, Hisar, 125001, Haryana, India.
| | - Eshu Singhal Sinha
- ICAR-National Dairy Research Institute, Molecular Endocrinology, Functional Genomics & Systems Biology Laboratory, Animal Biochemistry Division, Karnal, 132001, Haryana, India.
| | - Suneel Kumar Onteru
- ICAR-National Dairy Research Institute, Molecular Endocrinology, Functional Genomics & Systems Biology Laboratory, Animal Biochemistry Division, Karnal, 132001, Haryana, India.
| | - Dheer Singh
- ICAR-National Dairy Research Institute, Molecular Endocrinology, Functional Genomics & Systems Biology Laboratory, Animal Biochemistry Division, Karnal, 132001, Haryana, India.
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Proteomic Analysis Identifies Markers of Exposure to Cadmium Sulphide Quantum Dots (CdS QDs). NANOMATERIALS 2020; 10:nano10061214. [PMID: 32580447 PMCID: PMC7353101 DOI: 10.3390/nano10061214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/10/2020] [Accepted: 06/17/2020] [Indexed: 12/11/2022]
Abstract
The use of cadmium sulphide quantum dot (CdS QD)-enabled products has become increasingly widespread. The prospect of their release in the environment is raising concerns. Here we have used the yeast model Saccharomyces cerevisiae to determine the potential impact of CdS QD nanoparticles on living organisms. Proteomic analyses and cell viability assays performed after 9 h exposure revealed expression of proteins involved in oxidative stress and reduced lethality, respectively, whereas oxidative stress declined, and lethality increased after 24 h incubation in the presence of CdS QDs. Quantitative proteomics using the iTRAQ approach (isobaric tags for relative and absolute quantitation) revealed that key proteins involved in essential biological pathways were differentially regulated over the time course of the experiment. At 9 h, most of the glycolytic functions increased, and the abundance of the number of heat shock proteins increased. This contrasts with the situation at 24 h where glycolytic functions, some heat shock proteins as well as oxidative phosphorylation and ATP synthesis were down-regulated. It can be concluded from our data that cell exposure to CdS QDs provokes a metabolic shift from respiration to fermentation, comparable to the situation reported in some cancer cell lines.
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Efthimiou I, Georgiou Y, Vlastos D, Dailianis S, Deligiannakis Y. Assessing the cyto-genotoxic potential of model zinc oxide nanoparticles in the presence of humic-acid-like-polycondensate (HALP) and the leonardite HA (LHA). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 721:137625. [PMID: 32169638 DOI: 10.1016/j.scitotenv.2020.137625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/27/2020] [Accepted: 02/27/2020] [Indexed: 06/10/2023]
Abstract
The present study investigates the potential cyto-genotoxic effects of model zinc oxide nanoparticles (ZnO NPs) on human lymphocytes, with and/or without humic acids (HAs). Two types of HAs were studied, a natural well-characterized leonardite HA (LHA) and its synthetic-model, a humic-acid-like-polycondensate (HALP). The Cytokinesis Block Micronucleus (CBMN) assay was applied in cell cultures treated with different concentrations of ZnO NPs (0.5, 5, 10, 20 μg mL-1) and under different concentrations of either HALP or LHA (ZnO NPs-HALP and ZnO NPs-LHA, at concentrations of 0.5-0.8, 5-8, 10-16, 20-32 and 0.5-2, 5-20, 10-40, 20-80 μg mL-1, respectively). According to the results, ZnO NPs lacked genotoxicity but demonstrated cytotoxic potential. Binary mixtures of ZnO NPs-HAs (ZnO NPs-HALP or ZnO NPs-LHA) showed negligible alterations of micronuclei (MN) formation in challenged cells, with cytotoxic effects revealed only in case of cells treated with ZnO NPs-LHA at the concentration 5-20 μg mL-1. Furthermore, no genotoxic phenomena were exerted neither by the ZnO NPs nor from their mixtures with HAs. These findings indicate [i] the cytotoxic activity of used ZnO NPs on human lymphocytes, and [ii] reveal the protective role of HAs against ZnO NPs mediated cytotoxicity.
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Affiliation(s)
- Ioanna Efthimiou
- Department of Environmental Engineering, University of Patras, GR-30100 Agrinio, Greece
| | - Yiannis Georgiou
- Department of Physics, University of Ioannina, GR-45110 Ioannina, Greece
| | - Dimitris Vlastos
- Department of Environmental Engineering, University of Patras, GR-30100 Agrinio, Greece.
| | - Stefanos Dailianis
- Section of Animal Biology, Department of Biology, Faculty of Sciences, University of Patras, GR-26500, Rio, Patra, Greece
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Zhuang M, Chen X, Du D, Shi J, Deng M, Long Q, Yin X, Wang Y, Rao L. SPION decorated exosome delivery of TNF-α to cancer cell membranes through magnetism. NANOSCALE 2020; 12:173-188. [PMID: 31803890 DOI: 10.1039/c9nr05865f] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Tumor necrosis factor (TNF-α) is capable of inducing apoptosis and is a promising candidate for genetic engineering drugs in cancer therapy; however, the serious side-effects of TNF-α hinder their clinical application. In the present study, a method for preparing fusion proteins of cell-penetrating peptides (CPP) and TNF-α (CTNF-α)-anchored exosomes coupled with superparamagnetic iron oxide nanoparticles (CTNF-α-exosome-SPIONs) with membrane targeting anticancer activity has been demonstrated. To acquire exosomes with TNF-α anchored in its membrane, a CTNF-α expression vector was constructed and a stable mesenchymal stem cell cell line that expressed CTNF-α was established. Conjugating transferrin-modified SPIONs (Tf-SPIONs) onto CTNF-α-exosomes through transferrin-transferrin receptor (Tf-TfR) interaction yields CTNF-α-exosome-SPIONs with good water dispersibility. The incorporation of TNF-α into exosomes and the conjugation of SPIONs significantly enhanced the binding capacity of TNF-α to its membrane-bound receptor TNFR I, thus increasing the therapeutic effects. CTNF-α-exosome-SPIONs significantly enhanced tumor cell growth inhibition via induction of the TNFR I-mediated apoptotic pathway. In vivo studies using murine melanoma subcutaneous cancer models showed that TNF-α-loaded exosome-based vehicle delivery enhanced cancer targeting under an external magnetic field and suppressed tumor growth with mitigating toxicity. Taken together, our results suggest that CTNF-α-exosome-SPIONs showed great potential in membrane targeting therapy.
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Affiliation(s)
- Manjiao Zhuang
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xuelian Chen
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
| | - Dan Du
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
| | - Jiamei Shi
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
| | - Mian Deng
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
| | - Qian Long
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
| | - Xiaofei Yin
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
| | - Yayu Wang
- Department of Cell Biology, Institute of Biological Medicine, Jinan University, Guangzhou 510632, China
| | - Lei Rao
- Department of Biomedicine, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China.
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18
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Revon Liu B, Huang YW, Lee HJ. Hypotoxic Fluorescent Nanoparticles Delivery by Cell-Penetrating Peptides in Multiple Organisms: From Prokaryotes to Mammalians Cells. Biotechnol Bioeng 2019. [DOI: 10.5772/intechopen.83818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Zhao Y, Bai C, Brinker CJ, Chi L, Dawson KA, Gogotsi Y, Halas NJ, Lee ST, Lee T, Liz-Marzán L, Miller JF, Mitra S, Nel AE, Nordlander P, Parak WJ, Rowan A, Rogach AL, Rotello VM, Tang BZ, Wee ATS, Weiss PS. Nano as a Rosetta Stone: The Global Roles and Opportunities for Nanoscience and Nanotechnology. ACS NANO 2019; 13:10853-10855. [PMID: 31683413 DOI: 10.1021/acsnano.9b08042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
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20
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Shi B, Liu Z, Zheng Q, Meng J, Ouyang H, Zou Y, Jiang D, Qu X, Yu M, Zhao L, Fan Y, Wang ZL, Li Z. Body-Integrated Self-Powered System for Wearable and Implantable Applications. ACS NANO 2019; 13:6017-6024. [PMID: 31083973 DOI: 10.1021/acsnano.9b02233] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The human body has an abundance of available energy from the mechanical movements of walking, jumping, and running. Many devices such as electromagnetic, piezoelectric, and triboelectric energy harvesting devices have been demonstrated to convert body mechanical energy into electricity, which can be used to power various wearable and implantable electronics. However, the complicated structure, high cost of production/maintenance, and limitation of wearing and implantation sites restrict the development and commercialization of the body energy harvesters. Here, we present a body-integrated self-powered system (BISS) that is a succinct, highly efficient, and cost-effective method to scavenge energy from human motions. The biomechanical energy of the moving human body can be harvested through a piece of electrode attached to skin. The basic principle of the BISS is inspired by the comprehensive effect of triboelectrification between soles and floor and electrification of the human body. We have proven the feasibility of powering electronics using the BISS in vitro and in vivo. Our investigation of the BISS exhibits an extraordinarily simple, economical, and applicable strategy to harvest energy from human body movements, which has great potential for practical applications of self-powered wearable and implantable electronics in the future.
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Affiliation(s)
- Bojing Shi
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering , Beihang University , Beijing 10083 , China
| | - Zhuo Liu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering , Beihang University , Beijing 10083 , China
| | - Qiang Zheng
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
| | - Jianping Meng
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
| | - Han Ouyang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Yang Zou
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Dongjie Jiang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Xuecheng Qu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Min Yu
- School of Stomatology and Medicine , Foshan University , Foshan 528000 , China
| | - Luming Zhao
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Yubo Fan
- Beijing Advanced Innovation Centre for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering , Beihang University , Beijing 10083 , China
- National Research Center for Rehabilitation Technical Aids , Beijing 100176 , China
| | - Zhong Lin Wang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
- School of Materials Science and Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
| | - Zhou Li
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor , Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , Beijing 100083 , China
- College of Nanoscience and Technology , University of Chinese Academy of Sciences , Beijing 100049 , China
- Center on Nanoenergy Research, School of Physical Science and Technology , Guangxi University , Nanning 530004 , China
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Sripadmanabhan Indira S, Aravind Vaithilingam C, Oruganti KSP, Mohd F, Rahman S. Nanogenerators as a Sustainable Power Source: State of Art, Applications, and Challenges. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E773. [PMID: 31137520 PMCID: PMC6566161 DOI: 10.3390/nano9050773] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 12/26/2022]
Abstract
A sustainable power source to meet the needs of energy requirement is very much essential in modern society as the conventional sources are depleting. Bioenergy, hydropower, solar, and wind are some of the well-established renewable energy sources that help to attain the need for energy at mega to gigawatts power scale. Nanogenerators based on nano energy are the growing technology that facilitate self-powered systems, sensors, and flexible and portable electronics in the booming era of IoT (Internet of Things). The nanogenerators can harvest small-scale energy from the ambient nature and surroundings for efficient utilization. The nanogenerators were based on piezo, tribo, and pyroelectric effect, and the first of its kind was developed in the year 2006 by Wang et al. The invention of nanogenerators is a breakthrough in the field of ambient energy-harvesting techniques as they are lightweight, easily fabricated, sustainable, and care-free systems. In this paper, a comprehensive review on fundamentals, performance, recent developments, and application of nanogenerators in self-powered sensors, wind energy harvesting, blue energy harvesting, and its integration with solar photovoltaics are discussed. Finally, the outlook and challenges in the growth of this technology are also outlined.
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Affiliation(s)
- Sridhar Sripadmanabhan Indira
- School of Engineering, Faculty of Innovation and Technology, Taylor's University Lakeside Campus, No. 1, Jalan Taylor's, 47500 Subang Jaya, Selangor, Malaysia.
| | - Chockalingam Aravind Vaithilingam
- School of Engineering, Faculty of Innovation and Technology, Taylor's University Lakeside Campus, No. 1, Jalan Taylor's, 47500 Subang Jaya, Selangor, Malaysia.
| | - Kameswara Satya Prakash Oruganti
- School of Engineering, Faculty of Innovation and Technology, Taylor's University Lakeside Campus, No. 1, Jalan Taylor's, 47500 Subang Jaya, Selangor, Malaysia.
| | - Faizal Mohd
- School of Engineering, Faculty of Innovation and Technology, Taylor's University Lakeside Campus, No. 1, Jalan Taylor's, 47500 Subang Jaya, Selangor, Malaysia.
| | - Saidur Rahman
- Research Centre for Nano-Materials and Energy Technology (RCNMET), School of Science and Technology, Sunway University, 47500 Subang Jaya, Malaysia.
- American University of Ras Al Khaimah, 31291 Ras Al Khaimah, UAE.
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22
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Polypyrrole⁻Nickel Hydroxide Hybrid Nanowires as Future Materials for Energy Storage. NANOMATERIALS 2019; 9:nano9020307. [PMID: 30813485 PMCID: PMC6410247 DOI: 10.3390/nano9020307] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 02/16/2019] [Accepted: 02/20/2019] [Indexed: 11/16/2022]
Abstract
Hybrid materials play an essential role in the development of the energy storage technologies since a multi-constituent system merges the properties of the individual components. Apart from new features and enhanced performance, such an approach quite often allows the drawbacks of single components to be diminished or reduced entirely. The goal of this paper was to prepare and characterize polymer-metal hydroxide (polypyrrole-nickel hydroxide, PPy-Ni(OH)₂) nanowire arrays demonstrating good electrochemical performance. Nanowires were fabricated by potential pulse electrodeposition of pyrrole and nickel hydroxide into nanoporous anodic alumina oxide (AAO) template. The structural features of as-obtained PPy-Ni(OH)₂ hybrid nanowires were characterized using FE-SEM and TEM analysis. Their chemical composition was confirmed by energy-dispersive x-ray spectroscopy (EDS). The presence of nickel hydroxide in the synthesized PPy-Ni(OH)₂ nanowire array was investigated by X-ray photoelectron spectroscopy (XPS). Both FE-SEM and TEM analyses confirmed that the obtained nanowires were composed of a polymer matrix with nanoparticles dispersed within. EDS and XPS techniques confirmed the presence of PPy-Ni(OH)₂ in the nanowire array obtained. Optimal working potential range (i.e., available potential window), charge propagation, and cyclic stability of the electrodes were determined with cyclic voltammetry (CV) at various scan rates. Interestingly, the electrochemical stability window for the aqueous electrolyte at PPy-Ni(OH)₂ nanowire array electrode was remarkably wider (ca. 2 times) in comparison with the non-modified PPy electrode. The capacitance values, calculated from cyclic voltammetry performed at 20 mV s-1, were 25 F cm-2 for PPy and 75 F cm-2 for PPy-Ni(OH)₂ array electrodes. The cyclic stability of the PPy nanowire array electrode up to 100 cycles showed a capacitance fade of about 13%.
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Kane AB, Hurt RH, Gao H. The asbestos-carbon nanotube analogy: An update. Toxicol Appl Pharmacol 2018; 361:68-80. [PMID: 29960000 PMCID: PMC6298811 DOI: 10.1016/j.taap.2018.06.027] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 06/11/2018] [Accepted: 06/26/2018] [Indexed: 01/16/2023]
Abstract
Nanotechnology is an emerging industry based on commercialization of materials with one or more dimensions of 100 nm or less. Engineered nanomaterials are currently incorporated into thin films, porous materials, liquid suspensions, or filler/matrix nanocomposites with future applications predicted in energy and catalysis, microelectronics, environmental sensing and remediation, and nanomedicine. Carbon nanotubes are one-dimensional fibrous nanomaterials that physically resemble asbestos fibers. Toxicologic studies in rodents demonstrated that some types of carbon nanotubes can induce mesothelioma, and the World Health Organization evaluated long, rigid multiwall carbon nanotubes as possibly carcinogenic for humans in 2014. This review summarizes key physicochemical similarities and differences between asbestos fibers and carbon nanotubes. The "fiber pathogenicity paradigm" has been extended to include carbon nanotubes as well as other high-aspect-ratio fibrous nanomaterials including metallic nanowires. This paradigm identifies width, length, and biopersistence of high-aspect-ratio fibrous nanomaterials as critical determinants of lung disease, including mesothelioma, following inhalation. Based on recent theoretical modeling studies, a fourth factor, mechanical bending stiffness, will be considered as predictive of potential carcinogenicity. Novel three-dimensional lung tissue platforms provide an opportunity for in vitro screening of a wide range of high aspect ratio fibrous nanomaterials for potential lung toxicity prior to commercialization.
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Affiliation(s)
- Agnes B Kane
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, United States; Institute for Molecular and Nanoscale Innovation, Providence, RI, United States.
| | - Robert H Hurt
- School of Engineering, Brown University, Providence, RI, United States; Institute for Molecular and Nanoscale Innovation, Providence, RI, United States
| | - Huajian Gao
- School of Engineering, Brown University, Providence, RI, United States; Institute for Molecular and Nanoscale Innovation, Providence, RI, United States
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24
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The 15th Anniversary of the U.S. National Nanotechnology Initiative. ACS NANO 2018; 12:10567-10569. [PMID: 30481971 DOI: 10.1021/acsnano.8b08676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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25
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Sánchez-Moreno P, de Vicente J, Nardecchia S, Marchal JA, Boulaiz H. Thermo-Sensitive Nanomaterials: Recent Advance in Synthesis and Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E935. [PMID: 30428608 PMCID: PMC6266697 DOI: 10.3390/nano8110935] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/06/2018] [Accepted: 11/09/2018] [Indexed: 12/22/2022]
Abstract
Progress in nanotechnology has enabled us to open many new fronts in biomedical research by exploiting the peculiar properties of materials at the nanoscale. The thermal sensitivity of certain materials is a highly valuable property because it can be exploited in many promising applications, such as thermo-sensitive drug or gene delivery systems, thermotherapy, thermal biosensors, imaging, and diagnosis. This review focuses on recent advances in thermo-sensitive nanomaterials of interest in biomedical applications. We provide an overview of the different kinds of thermoresponsive nanomaterials, discussing their potential and the physical mechanisms behind their thermal response. We thoroughly review their applications in biomedicine and finally discuss the current challenges and future perspectives of thermal therapies.
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Affiliation(s)
- Paola Sánchez-Moreno
- Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy.
| | - Juan de Vicente
- Department of Applied Physics, Faculty of Sciences, University of Granada, C/Fuentenueva s/n, 18071 Granada, Spain.
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
| | - Stefania Nardecchia
- Department of Applied Physics, Faculty of Sciences, University of Granada, C/Fuentenueva s/n, 18071 Granada, Spain.
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
| | - Juan A Marchal
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
- Department of Human Anatomy and Embryology, University of Granada, 18016 Granada, Spain.
- Biopathology and Medicine Regenerative Institute (IBIMER), University of Granada, 18016 Granada, Spain.
- Biosanitary Institute of Granada (ibs.GRANADA), SAS-Universidad de Granada, 18016 Granada, Spain.
| | - Houria Boulaiz
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain.
- Department of Human Anatomy and Embryology, University of Granada, 18016 Granada, Spain.
- Biopathology and Medicine Regenerative Institute (IBIMER), University of Granada, 18016 Granada, Spain.
- Biosanitary Institute of Granada (ibs.GRANADA), SAS-Universidad de Granada, 18016 Granada, Spain.
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Wu MX, Yan HJ, Gao J, Cheng Y, Yang J, Wu JR, Gong BJ, Zhang HY, Yang YW. Multifunctional Supramolecular Materials Constructed from Polypyrrole@UiO-66 Nanohybrids and Pillararene Nanovalves for Targeted Chemophotothermal Therapy. ACS APPLIED MATERIALS & INTERFACES 2018; 10:34655-34663. [PMID: 30226739 DOI: 10.1021/acsami.8b13758] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Multifunctional supramolecular nanomaterials capable of targeted and multimodal therapy hold great potential to improve the efficiency of cancer therapeutics. Herein, we report a proof-of-concept nanoplatform for effective chemophotothermal therapy via the integration of folic acid-based active targeting and supramolecular nanovalves-based passive targeting. Inspired by facile surface engineering and designable layer-by-layer assembly concept, we design and synthesize PPy@UiO-66@WP6@PEI-Fa nanoparticles (PUWPFa NPs) to achieve efficient synergistic chemophotothermal therapy, taking advantage of the desirable photothermal conversion capability of polypyrrole nanoparticles (PPy NPs) and high drug-loading capacity of hybrid scaffolds. Significantly, pillararene-based pseudorotaxanes as pH/temperature dual-responsive nanovalves allow targeted drug delivery in pathological environment with sustained release over 4 days, which is complementary to photothermal therapy, and folic acid-conjugated polyethyleneimine (PEI-Fa) at the outmost layer through electrostatic interactions is able to enhance tumor-targeting and therapeutic efficiency. Such PUWPFa NPs showed efficient synergistic chemophotothermal therapy of cervical cancer both in vitro and in vivo. The present strategy offers not only the distinctly targeted drug delivery and release, but also excellent tumor inhibition efficacy of simultaneous chemophotothermal therapy, opening a new avenue for effective cancer treatment.
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Affiliation(s)
- Ming-Xue Wu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry , Jilin University , 2699 Qianjin Street , Changchun 130012 , P. R. China
| | - Hong-Jing Yan
- Hospital of Stomatology , Jilin University , 1500 Qinghua Road , Changchun 130012 , P. R. China
| | - Jia Gao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry , Jilin University , 2699 Qianjin Street , Changchun 130012 , P. R. China
| | - Yan Cheng
- Laboratory of Chemical Biology , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Jie Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry , Jilin University , 2699 Qianjin Street , Changchun 130012 , P. R. China
| | - Jia-Rui Wu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry , Jilin University , 2699 Qianjin Street , Changchun 130012 , P. R. China
| | - Bai-Juan Gong
- Hospital of Stomatology , Jilin University , 1500 Qinghua Road , Changchun 130012 , P. R. China
| | - Hai-Yuan Zhang
- Laboratory of Chemical Biology , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Ying-Wei Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry , Jilin University , 2699 Qianjin Street , Changchun 130012 , P. R. China
- Department of Chemistry & Biochemistry , University of California, Los Angeles , 607 Charles E. Young Drive East , Los Angeles , California 90095 , United States
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27
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Weiss PS. Nano in Boston and Beyond. ACS NANO 2018; 12:8833-8834. [PMID: 30249097 DOI: 10.1021/acsnano.8b07025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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28
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Holland LA, Carver JS, Veltri LM, Henderson RJ, Quedado KD. Enhancing research for undergraduates through a nanotechnology training program that utilizes analytical and bioanalytical tools. Anal Bioanal Chem 2018; 410:6041-6050. [PMID: 30120497 PMCID: PMC6132685 DOI: 10.1007/s00216-018-1274-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/06/2018] [Accepted: 07/16/2018] [Indexed: 11/29/2022]
Abstract
Nanotechnology is a broad field combining traditional scientific disciplines; however, analytical chemistry plays an important role in material design, synthesis, characterization, and application. This article emphasizes the uniqueness of nanotechnology and the importance of providing high-quality undergraduate research experiences to both attract and retain talented individuals to the field of nanotechnology. In response to this need to develop a strong and sustainable nanotechnology work force, strategies to create authentic research experiences are considered within the framework of an interdisciplinary nanotechnology environment at West Virginia University. The program, named NanoSAFE Research Experiences for Undergraduates (REU), embeds students in different departments at West Virginia University and in research laboratories within the National Institute of Occupational Safety and Health. A large number of participants have little or no prior research experience and a strong effort is made to recruit applicants from under-represented populations. Components designed to foster research proficiency include frequent reporting, a strong peer-network, and training for secondary mentors. Evidence, which includes student publications and assessment findings demonstrating self-efficacy, is discussed to substantiate the viability of the strategies used in the 2016-2018 program. Graphical abstract ᅟ.
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Affiliation(s)
- Lisa A Holland
- C. Eugene Bennett Department of Chemistry, West Virginia University, 217 Clark Hall, Morgantown, WV, 26506, USA.
| | - Jeffrey S Carver
- Curriculum and Instruction/Literacy Studies, West Virginia University, 602 Allen Hall, Morgantown, WV, 26506, USA
| | - Lindsay M Veltri
- C. Eugene Bennett Department of Chemistry, West Virginia University, 217 Clark Hall, Morgantown, WV, 26506, USA
| | - Rachel J Henderson
- Department of Physics and Astronomy, Michigan State University, 567 Wilson Rd, East Lansing, MI, 48824, USA
| | - Kimberly D Quedado
- Office of Undergraduate Research, Honors College, West Virginia University, 250 Second Street, Morgantown, WV, 26506, USA
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29
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Holland L, Zhong W. Analytical developments in advancing safety in nanotechnology. Anal Bioanal Chem 2018; 410:6037-6039. [DOI: 10.1007/s00216-018-1298-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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30
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Souza da Costa R, Ferreira da Cunha W, Simenremis Pereira N, Marti Ceschin A. An Alternative Route to Obtain Carbon Quantum Dots from Photoluminescent Materials in Peat. MATERIALS 2018; 11:ma11091492. [PMID: 30134588 PMCID: PMC6164320 DOI: 10.3390/ma11091492] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 07/23/2018] [Accepted: 07/27/2018] [Indexed: 01/17/2023]
Abstract
Peat, an organic compound easily found in the soil (easy to acquire), has more than 50% elemental carbon in its composition and can be used as raw material to produce carbon quantum dots (CQDs, C-dots, Carbon Dots). In this work we describe two simple and low-cost routes for the acquisition of these photoluminescent materials based on peat. The final products were characterized by Fourier transform infrared spectroscopy (FTIR), absorption (UV-Vis) and emission (PL) spectra and high-resolution transmission electron microscopy (HRTEM). The produced CQDs have an average size of 3.5 nm and exhibit coloration between blue and green. In addition, it is possible to produce photoluminescence by means of the aromatic compounds also present in the composition of the peat, in turn exhibiting an intense green coloration. The results indicate great versatility of peat for the production of photoluminescent materials.
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Affiliation(s)
- Rafael Souza da Costa
- Electrical Engineering Department, Universidade de Brasília, Brasília DF 70919-970, Brazil.
| | - Wiliam Ferreira da Cunha
- Instituto de Física, Universidade de Brasília, Darcy Ribeiro Campus, Brasília DF 70919-970, Brazil.
| | | | - Artemis Marti Ceschin
- Electrical Engineering Department, Universidade de Brasília, Brasília DF 70919-970, Brazil.
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31
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Kumar A, Chowdhuri AR, Kumari A, Sahu SK. IRMOF-3: A fluorescent nanoscale metal organic frameworks for selective sensing of glucose and Fe (III) ions without any modification. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 92:913-921. [PMID: 30184821 DOI: 10.1016/j.msec.2018.07.039] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 05/24/2018] [Accepted: 07/16/2018] [Indexed: 10/28/2022]
Abstract
The amine functionalized isoreticular metal-organic framework-3 (IRMOF-3) is synthesized by hydrothermal method. Till now, it's widely used in the area of gas separation, adsorption, and catalysis due to large surface area, structural stability, and tunability. Here, we have reported the use of fluorescent nanoscale IRMOF-3 for highly selective detection of glucose as well as Fe3+ ions without any modification. This is due to NH2 and COOH groups are present on the surface of IRMOF-3 to bind cis-diols of the glucose molecule via host-guest interaction, and Fe3+ ions via ligand to metal charge transfer. The Synthesized IRMOF-3 has average diameter of 160 ± 20 nm and interestingly possess deep blue fluorescent emission spectra at 460 nm with quantum yield 17.3%. Using fluorometric assay, the limit of detection (LOD) of glucose and Fe3+ ions was found to be 0.56 μM and 4.2 nM respectively. More importantly, the synthesized IRMOF-3 is also utilized for detection of glucose and Fe3+ ions in bio-environmental samples.
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Affiliation(s)
- Amit Kumar
- Department of Applied Chemistry, Indian Institute of Technology (ISM) Dhanbad, 826004, Jharkhand, India
| | - Angshuman Ray Chowdhuri
- Department of Applied Chemistry, Indian Institute of Technology (ISM) Dhanbad, 826004, Jharkhand, India
| | - Archana Kumari
- CSIR-Indian Institute of Petroleum (CSIR-IIP), Dehradun 248005, India
| | - Sumanta Kumar Sahu
- Department of Applied Chemistry, Indian Institute of Technology (ISM) Dhanbad, 826004, Jharkhand, India.
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32
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Current development of 1D and 2D metallic nanomaterials for the application of transparent conductors in solar cells: Fabrication and modeling. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.nanoso.2017.09.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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33
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Sardarian AR, Eslahi H, Esmaeilpour M. Copper(II) Complex Supported on Fe3
O4
@SiO2
Coated by Polyvinyl Alcohol as Reusable Nanocatalyst in N
-Arylation of Amines and N(H)
- Heterocycles and Green Synthesis of 1H
-Tetrazoles. ChemistrySelect 2018. [DOI: 10.1002/slct.201702452] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ali Reza Sardarian
- Chemistry Department; College of Science; Shiraz University; Shiraz 71946-84795 Iran
| | - Hassan Eslahi
- Chemistry Department; College of Science; Shiraz University; Shiraz 71946-84795 Iran
| | - Mohsen Esmaeilpour
- Chemistry Department; College of Science; Shiraz University; Shiraz 71946-84795 Iran
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34
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Hu C, Huo S, Shen W, Li Y, Hu X. Reflectance difference microscopy for nanometre thickness microstructure measurements. J Microsc 2018; 270:318-325. [PMID: 29383705 DOI: 10.1111/jmi.12685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 12/21/2017] [Accepted: 01/10/2018] [Indexed: 11/27/2022]
Abstract
The discontinuity of medium at the boundary produces optically anisotropic response which makes reflectance difference microscopy (RDM) a potential method for nanometre-thickness microstructure measurements. Here, we present the methodology of RDM for the edge measurement of ultrathin microstructure. The RD signal of microstructure's boundary is mathematically deduced according to boundary condition and polarization optics theory. A normal-incidence RDM setup was built simply with one linear polarizer, one liquid crystal variable retarder and one 5 × objective. Then, the performance of the developed setup was identified using homogenous reflection mirror and high quality linear polarizer. For demonstration, microstructures array with 100 nm step height was measured. The results show that the RD signal is sensitive to the edge and its sign reflects the change direction of the edge. Furthermore, a height sensitivity of better than 10 nm and a spatial resolution of ∼3 μm offer this technique a good candidate for characterizing ultrathin microstructures.
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Affiliation(s)
- C Hu
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, China
| | - S Huo
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, China.,College of Mechanical Engineering, Chengdu Technological University, Chengdu, Sichuan Province, China
| | - W Shen
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, China
| | - Y Li
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, China
| | - X Hu
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, China
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35
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Kim DY, Kadam A, Shinde S, Saratale RG, Patra J, Ghodake G. Recent developments in nanotechnology transforming the agricultural sector: a transition replete with opportunities. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:849-864. [PMID: 29065236 DOI: 10.1002/jsfa.8749] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 10/12/2017] [Accepted: 10/16/2017] [Indexed: 05/23/2023]
Abstract
The applications and benefits of nanotechnology in the agricultural sector have attracted considerable attention, particularly in the invention of unique nanopesticides and nanofertilisers. The contemporary developments in nanotechnology are acknowledged and the most significant opportunities awaiting the agriculture sector from the recent scientific and technical literature are addressed. This review discusses the significance of recent trends in nanomaterial-based sensors available for the sustainable management of agricultural soil, as well as the role of nanotechnology in detection and protection against plant pathogens, and for food quality and safety. Novel nanosensors have been reported for primary applications in improving crop practices, food quality, and packaging methods, thus will change the agricultural sector for potentially better and healthier food products. Nanotechnology is well-known to play a significant role in the effective management of phytopathogens, nutrient utilisation, controlled release of pesticides, and fertilisers. Research and scientific gaps to be overcome and fundamental questions have been addressed to fuel active development and application of nanotechnology. Together, nanoscience, nanoengineering, and nanotechnology offer a plethora of opportunities, proving a viable alternative in the agriculture and food processing sector, by providing a novel and advanced solutions. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Dae-Young Kim
- Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Avinash Kadam
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Surendra Shinde
- Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Rijuta Ganesh Saratale
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Jayanta Patra
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Gajanan Ghodake
- Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
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36
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Strauss V, Marsh K, Kowal MD, El-Kady M, Kaner RB. A Simple Route to Porous Graphene from Carbon Nanodots for Supercapacitor Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:1704449. [PMID: 29318674 DOI: 10.1002/adma.201704449] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 11/16/2017] [Indexed: 05/22/2023]
Abstract
A facile method to convert biomolecule-based carbon nanodots (CNDs) into high-surface-area 3D-graphene networks with excellent electrochemical properties is presented. Initially, CNDs are synthesized by microwave-assisted thermolysis of citric acid and urea according to previously published protocols. Next, the CNDs are annealed up to 400 °C in a tube furnace in an oxygen-free environment. Finally, films of the thermolyzed CNDs are converted into open porous 3D turbostratic graphene (3D-ts-graphene) networks by irradiation with an infrared laser. Based upon characterizations using scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction, Fourier-transform infrared spectroscopy, and Raman spectroscopy, a feasible reaction mechanism for both the thermolysis of the CNDs and the subsequent laser conversion into 3D-ts-graphene is presented. The 3D-ts-graphene networks show excellent morphological properties, such as a hierarchical porous structure and a high surface area, as well as promising electrochemical properties. For example, nearly ideal capacitive behavior with a volumetric capacitance of 27.5 mF L-1 is achieved at a current density of 560 A L-1 , which corresponds to an energy density of 24.1 mWh L-1 at a power density of 711 W L-1 . Remarkable is the extremely fast charge-discharge cycling rate with a time constant of 3.44 ms.
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Affiliation(s)
- Volker Strauss
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA, 90095, USA
- Department of Materials Science and Engineering, UCLA, Los Angeles, CA, 90095, USA
| | - Kris Marsh
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA, 90095, USA
- Department of Materials Science and Engineering, UCLA, Los Angeles, CA, 90095, USA
| | - Matthew D Kowal
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA, 90095, USA
- Department of Materials Science and Engineering, UCLA, Los Angeles, CA, 90095, USA
| | - Maher El-Kady
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA, 90095, USA
- Department of Materials Science and Engineering, UCLA, Los Angeles, CA, 90095, USA
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Richard B Kaner
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA, 90095, USA
- Department of Materials Science and Engineering, UCLA, Los Angeles, CA, 90095, USA
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37
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Gkika D, Magafas L, Cool P, Braet J. Balancing nanotoxicity and returns in health applications: The Prisoner’s Dilemma. Toxicology 2018; 393:83-89. [DOI: 10.1016/j.tox.2017.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/04/2017] [Accepted: 11/06/2017] [Indexed: 12/29/2022]
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38
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Zhang L, Goswami N, Xie J, Zhang B, He Y. Unraveling the molecular mechanism of photosynthetic toxicity of highly fluorescent silver nanoclusters to Scenedesmus obliquus. Sci Rep 2017; 7:16432. [PMID: 29180714 PMCID: PMC5703894 DOI: 10.1038/s41598-017-16634-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 11/15/2017] [Indexed: 12/30/2022] Open
Abstract
While the discovery of numerous attractive properties of silver at the nanoscale has increased their demand in many sectors including medicine, optics, sensing, painting and cosmetics, it has also raised wide public concerns about their effect on living organisms in aquatic environment. Despite the continuous effort to understand the various aspects of the toxicity of silver nanomaterials, the molecular level understanding on their cytotoxicity mechanism to biological organisms has remained unclear. Herein, we demonstrated the underlying mechanism of the photosynthetic toxicity against green algae namely, Scenedesmus obliquus by using an emerging silver nanomaterial, called silver nanoclusters (defined as r-Ag NCs). By exploiting the unique fluorescence properties of r-Ag NCs along with various other analytical/biological tools, we proposed that the photosynthetic toxicity of r-Ag NCs was largely attributed to the "joint-toxicity" effect of particulate form of r-Ag NCs and its released Ag+, which resulted in the disruption of the electron transport chain of light reaction and affected the content of key enzymes (RuBP carboxylase/ oxygenase) of Calvin cycle of algae cells. We believe that the present study can also be applied to the assessment of the ecological risk derived from other metal nanoparticles.
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Affiliation(s)
- Li Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Nirmal Goswami
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, #03-18, Singapore, 117585, Singapore
| | - Jianping Xie
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, #03-18, Singapore, 117585, Singapore
| | - Bo Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China.
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39
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Liu M, Bai C, Antonietti M, Lynch I, Mirkin CA, Khademhosseini A, Lee ST, Möhwald H, Rogach AL, Wee ATS, Weiss PS. Connecting Together Nanocenters around the World. ACS NANO 2017; 11:8531-8532. [PMID: 28950444 DOI: 10.1021/acsnano.7b06550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- Minghua Liu
- National Centre for Nano Science and Technology
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40
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Chan WCW, Chhowalla M, Glotzer S, Gogotsi Y, Hafner JH, Hammond PT, Hersam MC, Javey A, Kagan CR, Kataoka K, Khademhosseini A, Kotov NA, Lee ST, Li Y, Möhwald H, Mulvaney P, Nel AE, Nordlander PJ, Parak WJ, Penner RM, Rogach AL, Schaak RE, Stevens MM, Wee ATS, Willson CG, Fernandez LE, Weiss PS. Our First and Next Decades at ACS Nano. ACS NANO 2017; 11:7553-7555. [PMID: 28830059 DOI: 10.1021/acsnano.7b05765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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41
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Alvarez MM, Aizenberg J, Analoui M, Andrews AM, Bisker G, Boyden ES, Kamm RD, Karp JM, Mooney DJ, Oklu R, Peer D, Stolzoff M, Strano MS, Trujillo-de Santiago G, Webster TJ, Weiss PS, Khademhosseini A. Emerging Trends in Micro- and Nanoscale Technologies in Medicine: From Basic Discoveries to Translation. ACS NANO 2017; 11:5195-5214. [PMID: 28524668 DOI: 10.1021/acsnano.7b01493] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We discuss the state of the art and innovative micro- and nanoscale technologies that are finding niches and opening up new opportunities in medicine, particularly in diagnostic and therapeutic applications. We take the design of point-of-care applications and the capture of circulating tumor cells as illustrative examples of the integration of micro- and nanotechnologies into solutions of diagnostic challenges. We describe several novel nanotechnologies that enable imaging cellular structures and molecular events. In therapeutics, we describe the utilization of micro- and nanotechnologies in applications including drug delivery, tissue engineering, and pharmaceutical development/testing. In addition, we discuss relevant challenges that micro- and nanotechnologies face in achieving cost-effective and widespread clinical implementation as well as forecasted applications of micro- and nanotechnologies in medicine.
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Affiliation(s)
- Mario M Alvarez
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey , Ave. Eugenio Garza Sada 2501, Col. Tecnológico, CP 64849 Monterrey, Nuevo León, México
| | - Joanna Aizenberg
- Wyss Institute for Biologically Inspired Engineering, Harvard University , Boston, Massachusetts 02115, United States
| | - Mostafa Analoui
- UConn Venture Development and Incubation, UConn , Storrs, CT 06269, United States
| | | | | | | | | | | | - David J Mooney
- Wyss Institute for Biologically Inspired Engineering, Harvard University , Boston, Massachusetts 02115, United States
| | - Rahmi Oklu
- Division of Interventional Radiology, Mayo Clinic , Scottsdale, Arizona 85259, United States
| | | | | | | | - Grissel Trujillo-de Santiago
- Centro de Biotecnología-FEMSA, Tecnológico de Monterrey , Ave. Eugenio Garza Sada 2501, Col. Tecnológico, CP 64849 Monterrey, Nuevo León, México
| | - Thomas J Webster
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Medical University , Wenzhou 325000, China
| | | | - Ali Khademhosseini
- Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University , Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
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Joh H, Lee SW, Seong M, Lee WS, Oh SJ. Engineering the Charge Transport of Ag Nanocrystals for Highly Accurate, Wearable Temperature Sensors through All-Solution Processes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13. [PMID: 28464442 DOI: 10.1002/smll.201700247] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 02/25/2017] [Indexed: 05/09/2023]
Abstract
All-nanocrystal (NC)-based and all-solution-processed wearable resistance temperature detectors (RTDs) are introduced. The charge transport mechanisms of Ag NC thin films are engineered through various ligand treatments to design high performance RTDs. Highly conductive Ag NC thin films exhibiting metallic transport behavior with high positive temperature coefficients of resistance (TCRs) are achieved through tetrabutylammonium bromide treatment. Ag NC thin films showing hopping transport with high negative TCRs are created through organic ligand treatment. All-solution-based, one-step photolithography techniques that integrate two distinct opposite-sign TCR Ag NC thin films into an ultrathin single device are developed to decouple the mechanical effects such as human motion. The unconventional materials design and strategy enables highly accurate, sensitive, wearable and motion-free RTDs, demonstrated by experiments on moving or curved objects such as human skin, and simulation results based on charge transport analysis. This strategy provides a low cost and simple method to design wearable multifunctional sensors with high sensitivity which could be utilized in various fields such as biointegrated sensors or electronic skin.
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Affiliation(s)
- Hyungmok Joh
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Seung-Wook Lee
- Department of Semiconductor Systems Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Mingi Seong
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Woo Seok Lee
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Soong Ju Oh
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
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Lorencova L, Bertok T, Dosekova E, Holazova A, Paprckova D, Vikartovska A, Sasinkova V, Filip J, Kasak P, Jerigova M, Velic D, Mahmoud KA, Tkac J. Electrochemical performance of Ti 3C 2T x MXene in aqueous media: towards ultrasensitive H2O2 sensing. Electrochim Acta 2017; 235:471-479. [PMID: 29109588 DOI: 10.1016/j.electacta.2017.03.073] [Citation(s) in RCA: 123] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An extensive characterization of pristine and oxidized Ti3C2Tx (T: =O, -OH, -F) MXene showed that exposure of MXene to an anodic potential in the aqueous solution oxidizes the nanomaterial forming TiO2 layer or TiO2 domains with subsequent TiO2 dissolution by F- ions, making the resulting nanomaterial less electrochemically active compared to the pristine Ti3C2Tx. The Ti3C2Tx could be thus applied for electrochemical reactions in a cathodic potential window i.e. for ultrasensitive detection of H2O2 down to nM level with a response time of approx. 10 s. The manuscript also shows electrochemical behavior of Ti3C2Tx modified electrode towards oxidation of NADH and towards oxygen reduction reactions.
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Affiliation(s)
- Lenka Lorencova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Tomas Bertok
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Erika Dosekova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Alena Holazova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Darina Paprckova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Alica Vikartovska
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Vlasta Sasinkova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
| | - Jaroslav Filip
- Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Peter Kasak
- Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Monika Jerigova
- Department of Physical Chemistry, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Bratislava, 84215, Slovak Republic.,International Laser Centre, Ilkovi9cova 3, Bratislava 84104, Slovak Republic
| | - Dusan Velic
- Department of Physical Chemistry, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Bratislava, 84215, Slovak Republic.,International Laser Centre, Ilkovi9cova 3, Bratislava 84104, Slovak Republic
| | - Khaled A Mahmoud
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU), P.O. Box 5825, Doha, Qatar
| | - Jan Tkac
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 38, Slovak Republic
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Devineau S, Zargarian L, Renault JP, Pin S. Structure and Function of Adsorbed Hemoglobin on Silica Nanoparticles: Relationship between the Adsorption Process and the Oxygen Binding Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:3241-3252. [PMID: 28263607 DOI: 10.1021/acs.langmuir.6b04281] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The connection between the mechanisms of protein adsorption on nanoparticles and the structural and functional properties of the adsorbed protein often remains unclear. We investigate porcine hemoglobin adsorption on silica nanoparticles, and we analyze the structural and functional modifications of adsorbed hemoglobin by UV-vis spectrophotometry, circular dichroism, and oxygen binding measurement. The structural analysis of adsorbed hemoglobin on silica nanoparticles reveals a significant loss of secondary structure and a preservation of the heme electronic structure. However, adsorbed hemoglobin retains its quaternary structure and exhibits an enhanced oxygen affinity with cooperative binding. Moreover, the structural and functional modifications are fully reversible after complete desorption from silica nanoparticles at pH 8.7. The tunable adsorption and desorption of hemoglobin on SNPs with pH change, and the full control of hemoglobin activity by pH, temperature, and the addition of inorganic phosphate effectors opens the way to an interesting system whereby protein adsorption on nanoparticles can allow for full control over hemoglobin oxygen binding activity. Our results suggest that adsorption of hemoglobin on silica nanoparticles leads to a new structural, functional, and dynamic state with full reversibility in a way that significantly differs from protein denaturation.
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Affiliation(s)
- Stéphanie Devineau
- LIONS, NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Loussiné Zargarian
- LBPA, ENS de Cachan, CNRS, Université Paris-Saclay , 94235 Cachan Cedex, France
| | - Jean Philippe Renault
- LIONS, NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Serge Pin
- LIONS, NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette, France
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Root SE, Savagatrup S, Printz AD, Rodriquez D, Lipomi DJ. Mechanical Properties of Organic Semiconductors for Stretchable, Highly Flexible, and Mechanically Robust Electronics. Chem Rev 2017; 117:6467-6499. [DOI: 10.1021/acs.chemrev.7b00003] [Citation(s) in RCA: 465] [Impact Index Per Article: 66.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Samuel E. Root
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, Mail Code 0448, La Jolla, California 92093-0448, United States
| | - Suchol Savagatrup
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, Mail Code 0448, La Jolla, California 92093-0448, United States
| | - Adam D. Printz
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, Mail Code 0448, La Jolla, California 92093-0448, United States
| | - Daniel Rodriquez
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, Mail Code 0448, La Jolla, California 92093-0448, United States
| | - Darren J. Lipomi
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, Mail Code 0448, La Jolla, California 92093-0448, United States
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46
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Bollas S, Chrissopoulou K, Andrikopoulos KS, Voyiatzis GA, Anastasiadis SH. Polymer Conformation under Confinement. Polymers (Basel) 2017; 9:E73. [PMID: 30970750 PMCID: PMC6432019 DOI: 10.3390/polym9020073] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 01/28/2017] [Accepted: 02/13/2017] [Indexed: 11/27/2022] Open
Abstract
The conformation of polymer chains under confinement is investigated in intercalated polymer/layered silicate nanocomposites. Hydrophilic poly(ethylene oxide)/sodium montmorillonite, PEO/Na⁺-MMT, hybrids were prepared utilizing melt intercalation with compositions where the polymer chains are mostly within the ~1 nm galleries of the inorganic material. The polymer chains are completely amorphous in all compositions even at temperatures where the bulk polymer is highly crystalline. Attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) is utilized to investigate the conformation of the polymer chains over a broad range of temperatures from below to much higher than the bulk polymer melting temperature. A systematic increase of the gauche conformation relatively to the trans is found with decreasing polymer content both for the C⁻C and the C⁻O bonds that exist along the PEO backbone indicating that the severe confinement and the proximity to the inorganic surfaces results in a more disordered state of the polymer.
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Affiliation(s)
- Stavros Bollas
- Institute of Electronic Structure and Laser, Foundation for Research and Technology, Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece.
| | - Kiriaki Chrissopoulou
- Institute of Electronic Structure and Laser, Foundation for Research and Technology, Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece.
| | - Konstantinos S Andrikopoulos
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology, Hellas, P.O. Box 1414, 265 04 Patras, Greece.
| | - George A Voyiatzis
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology, Hellas, P.O. Box 1414, 265 04 Patras, Greece.
| | - Spiros H Anastasiadis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology, Hellas, P.O. Box 1527, 711 10 Heraklion Crete, Greece.
- Department of Chemistry, University of Crete, P.O. Box 2208, 710 03 Heraklion Crete, Greece.
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Chan WWC, Chhowalla M, Glotzer S, Gogotsi Y, Hafner JH, Hammond PT, Hersam MC, Javey A, Kagan CR, Khademhosseini A, Kotov NA, Lee ST, Li Y, Möhwald H, Mulvaney PA, Nel AE, Nordlander PJ, Parak WJ, Penner RM, Rogach AL, Schaak RE, Stevens MM, Wee ATS, Willson CG, Fernandez LE, Weiss PS. Nanoscience and Nanotechnology Impacting Diverse Fields of Science, Engineering, and Medicine. ACS NANO 2016; 10:10615-10617. [PMID: 28024354 DOI: 10.1021/acsnano.6b08335] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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48
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Kiessling LL, Fernandez LE, Alivisatos AP, Weiss PS. ChemRXiv: A Chemistry Preprint Server. ACS NANO 2016; 10:9053-9054. [PMID: 27776406 DOI: 10.1021/acsnano.6b07008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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