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Joshi A, Thiel K, Jog K, Dringen R. Uptake of Intact Copper Oxide Nanoparticles Causes Acute Toxicity in Cultured Glial Cells. Neurochem Res 2019; 44:2156-2169. [DOI: 10.1007/s11064-019-02855-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/29/2019] [Accepted: 08/03/2019] [Indexed: 01/11/2023]
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52
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Vallet-Regí M, González B, Izquierdo-Barba I. Nanomaterials as Promising Alternative in the Infection Treatment. Int J Mol Sci 2019; 20:E3806. [PMID: 31382674 PMCID: PMC6696612 DOI: 10.3390/ijms20153806] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 07/31/2019] [Accepted: 08/02/2019] [Indexed: 02/01/2023] Open
Abstract
Both the prevalence of antibiotic resistance and the increased biofilm-associated infections are boosting the demand for new advanced and more effective treatment for such infections. In this sense, nanotechnology offers a ground-breaking platform for addressing this challenge. This review shows the current progress in the field of antimicrobial inorganic-based nanomaterials and their activity against bacteria and bacterial biofilm. Herein, nanomaterials preventing the bacteria adhesion and nanomaterials treating the infection once formed are presented through a classification based on their functionality. To fight infection, nanoparticles with inherent antibacterial activity and nanoparticles acting as nanovehicles are described, emphasizing the design of the carrier nanosystems with properties targeting the bacteria and the biofilm.
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Affiliation(s)
- María Vallet-Regí
- Departamento de Química en Ciencias Farmacéuticas, Unidad de Química Inorgánica y Bioinorgánica, Universidad Complutense de Madrid. Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12. Plaza Ramón y Cajal s/n, Madrid 28040, Spain.
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid 28040, Spain.
| | - Blanca González
- Departamento de Química en Ciencias Farmacéuticas, Unidad de Química Inorgánica y Bioinorgánica, Universidad Complutense de Madrid. Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12. Plaza Ramón y Cajal s/n, Madrid 28040, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid 28040, Spain
| | - Isabel Izquierdo-Barba
- Departamento de Química en Ciencias Farmacéuticas, Unidad de Química Inorgánica y Bioinorgánica, Universidad Complutense de Madrid. Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12. Plaza Ramón y Cajal s/n, Madrid 28040, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid 28040, Spain
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53
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Hozyen HF, Ibrahim ES, Khairy EA, El-Dek SI. Enhanced antibacterial activity of capped zinc oxide nanoparticles: A step towards the control of clinical bovine mastitis. Vet World 2019; 12:1225-1232. [PMID: 31641301 PMCID: PMC6755405 DOI: 10.14202/vetworld.2019.1225-1232] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 06/25/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND AND AIM Bovine mastitis is the costliest prevalent disease in the dairy sector due to the limitations of conventional treatments. Zinc oxide nanoparticles (ZnO-NPs) have been regarded as safe and economical antibacterial candidates against several microorganisms, but the tendency of these particles to aggregate is a major barrier to their application. This study aimed to enhance the antibacterial efficiency of ZnO-NPs against some bacterial agents, causing bovine mastitis. MATERIALS AND METHODS A total of 24 milk samples out of 300 cases from Nubaria farm, Beheira Governorate, Egypt, were collected from cows with clinical mastitis. ZnO-NPs were fabricated by a sonochemical method using starch as a capping agent and by an auto-combustion reaction using glycine as a fuel. The two preparations of synthesized ZnO-NPs at different concentrations were assessed for their antimicrobial activities in vitro against Staphylococcus aureus, Escherichia coli, and Klebsiella pneumoniae isolated from milk of affected cows. RESULTS Sonochemically synthesized capped ZnO-NPs were dispersed and non-agglomerated in comparison with aggregated uncapped ZnO-NPs prepared by an auto-combustion reaction. Capped dispersed ZnO-NPs showed higher antibacterial activity against S. aureus, E. coli, and K. pneumoniae than particles synthesized by the auto-combustion reaction at same concentrations. However, the zone of inhibition for dispersed and agglomerated ZnO-NPs was concentration-dependent. In addition, Gram-positive S. aureus exhibited higher resistance to ZnO-NPs synthesized by both methods than Gram-negative E. coli and K. pneumoniae. CONCLUSION Dispersed, non-agglomerated ZnO-NPs fabricated using starch as a capping agent under sonochemical irradiation could potentially be regarded as highly effective and inexpensive antimicrobial agents against S. aureus, E. coli, and K. pneumoniae for the management of bovine mastitis.
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Affiliation(s)
- H. F. Hozyen
- Department of Animal Reproduction and AI, National Research Centre, Dokki, Giza, Egypt
| | - E. S. Ibrahim
- Department of Microbiology and Immunology, National Research Centre, Dokki, Giza, Egypt
| | - E. A. Khairy
- Department of Microbiology and Immunology, National Research Centre, Dokki, Giza, Egypt
| | - S. I. El-Dek
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
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Wei J, Wang Y, Wang L. Layer-by-layer: A Simple and Effective Way to Construct Antibacterial Surfaces. Curr Pharm Des 2019; 25:105-106. [PMID: 31198108 DOI: 10.2174/138161282502190514115005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Junchao Wei
- College of Chemistry, Nanchang University, Nanchang 330031, China.,Mevid Life Science Co., Ltd, Nantong 226111, China
| | - Yijing Wang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Lina Wang
- College of Science, Nanchang Institute of Technology, Nanchang 330029, China
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Fan X, Yang F, Huang J, Yang Y, Nie C, Zhao W, Ma L, Cheng C, Zhao C, Haag R. Metal-Organic-Framework-Derived 2D Carbon Nanosheets for Localized Multiple Bacterial Eradication and Augmented Anti-infective Therapy. NANO LETTERS 2019; 19:5885-5896. [PMID: 31117696 DOI: 10.1021/acs.nanolett.9b01400] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Recently emerging graphene-based 2D nanoplatforms with multiple therapeutic modalities provide enormous opportunities to combat pathogenic bacterial infections. However, because these materials suffer from complicated synthesis, massive dosage requirements, and abundant nonlocalized heat, much more simplified, tunable, and localized eradication approaches are urgently required. Herein, we report on the fabrication of the metal-organic-framework (MOF)-derived 2D carbon nanosheets (2D-CNs) with phase-to-size transformation and localized bacterial eradication capabilities for augmented anti-infective therapy. The MOF-derived, ZnO-doped carbon on graphene (ZnO@G) is first synthesized and then anchored with phase transformable thermally responsive brushes (TRB) by in situ polymerization to yield the TRB-ZnO@G. The TRB-ZnO@G exhibits flexible 2D nanostructures, high photothermal activities, sustained Zn2+ ions release, and ON-OFF switchable phase-to-size transformation abilities. Notably, the near-infrared-triggered formation of TRB-ZnO@G-bacteria aggregations enables localized massive Zn2+ ions penetration, physical cutting, and hyperthermia killing, which synergistically enhance the disruption of bacterial membranes and intracellular substances. The obtained novel 2D-CNs not only present robust and localized multiple bacterial eradication capabilities with nearly 100% bactericidal efficiency at low concentrations but also possess rapid and safe skin wound disinfection via a short-time photothermal treatment without damaging normal skin tissues or causing accumulative toxicities, thus presenting great potential for broad-spectrum eradication of pathogenic bacteria.
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Affiliation(s)
- Xin Fan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China.,Department of Chemistry and Biochemistry , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Fan Yang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China
| | - Jianbo Huang
- Department of Ultrasound, West China School of Medicine/West China Hospital , Sichuan University , Chengdu 610041 , China
| | - Ye Yang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China
| | - Chuanxiong Nie
- Department of Chemistry and Biochemistry , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Weifeng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China
| | - Lang Ma
- Department of Ultrasound, West China School of Medicine/West China Hospital , Sichuan University , Chengdu 610041 , China
| | - Chong Cheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China.,Department of Chemistry and Biochemistry , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Changsheng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China
| | - Rainer Haag
- Department of Chemistry and Biochemistry , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
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Zhang X, Jiang X, Croley TR, Boudreau MD, He W, Cai J, Li P, Yin JJ. Ferroxidase-like and antibacterial activity of PtCu alloy nanoparticles. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2019; 37:99-115. [PMID: 31099294 DOI: 10.1080/10590501.2019.1602991] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Many metal nanoparticles are reported to have intrinsic enzyme-like activities and offer great potential in chemical and biomedical applications. In this study, PtCu alloy nanoparticles (NPs), synthesized through hydrothermal treatment of Cu2+ and Pt2+ in an aqueous solution, were evaluated for ferroxidase-like and antibacterial activity. Electron spin resonance (ESR) spectroscopy and colorimetric methods were used to demonstrate that PtCu NPs exhibited strong ferroxidase-like activity in a weakly acidic environment and that this activity was not affected by the presence of most other ions, except silver. Based on the color reaction of salicylic acid in the presence of Fe3+, we tested the ferroxidase-like activity of PtCu NPs to specifically detect Fe2+ in a solution of an oral iron supplement and compared these results with data acquired from atomic absorption spectroscopy and the phenanthroline colorimetric method. The results showed that the newly developed PtCu NPs detection method was equivalent to or better than the other two methods used for Fe2+ detection. The antibacterial experiments showed that PtCu NPs have strong antibacterial activity against Staphylococcus aureus and Escherichia coli. Herein, we demonstrate that the peroxidase-like activity of PtCu NPs can catalyze H2O2 and generate hydroxyl radicals, which may elucidate the antibacterial activity of the PtCu NPs against S. aureus and E. coli. These results showed that PtCu NPs exhibited both ferroxidase- and peroxidase-like activity and that they may serve as convenient and efficient NPs for the detection of Fe2+ and for antibacterial applications.
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Affiliation(s)
- Xiaowei Zhang
- a Food and Bioengineering College , Xuchang University , Xuchang , P. R. China
- c Division of Analytical Chemistry, Office of Regulatory Science, Center for Food Safety and Applied Nutrition , U.S. Food and Drug Administration , College Park , MD , USA
| | - Xiumei Jiang
- c Division of Analytical Chemistry, Office of Regulatory Science, Center for Food Safety and Applied Nutrition , U.S. Food and Drug Administration , College Park , MD , USA
| | - Timothy R Croley
- c Division of Analytical Chemistry, Office of Regulatory Science, Center for Food Safety and Applied Nutrition , U.S. Food and Drug Administration , College Park , MD , USA
| | - Mary D Boudreau
- d National Center for Toxicological Research , U.S. Food and Drug Administration , Jefferson , AR , USA
| | - Weiwei He
- b Key Laboratory of Micro-Nano Materials for Energy Storage and Conversion of Henan Province, College of Advanced Materials and Energy , Institute of Surface Micro and Nano Materials, Xuchang University , Xuchang , P. R. China
| | - Junhui Cai
- b Key Laboratory of Micro-Nano Materials for Energy Storage and Conversion of Henan Province, College of Advanced Materials and Energy , Institute of Surface Micro and Nano Materials, Xuchang University , Xuchang , P. R. China
| | - Peirui Li
- a Food and Bioengineering College , Xuchang University , Xuchang , P. R. China
| | - Jun-Jie Yin
- c Division of Analytical Chemistry, Office of Regulatory Science, Center for Food Safety and Applied Nutrition , U.S. Food and Drug Administration , College Park , MD , USA
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Baptista PV, McCusker MP, Carvalho A, Ferreira DA, Mohan NM, Martins M, Fernandes AR. Nano-Strategies to Fight Multidrug Resistant Bacteria-"A Battle of the Titans". Front Microbiol 2018; 9:1441. [PMID: 30013539 PMCID: PMC6036605 DOI: 10.3389/fmicb.2018.01441] [Citation(s) in RCA: 402] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 06/11/2018] [Indexed: 12/18/2022] Open
Abstract
Infectious diseases remain one of the leading causes of morbidity and mortality worldwide. The WHO and CDC have expressed serious concern regarding the continued increase in the development of multidrug resistance among bacteria. Therefore, the antibiotic resistance crisis is one of the most pressing issues in global public health. Associated with the rise in antibiotic resistance is the lack of new antimicrobials. This has triggered initiatives worldwide to develop novel and more effective antimicrobial compounds as well as to develop novel delivery and targeting strategies. Bacteria have developed many ways by which they become resistant to antimicrobials. Among those are enzyme inactivation, decreased cell permeability, target protection, target overproduction, altered target site/enzyme, increased efflux due to over-expression of efflux pumps, among others. Other more complex phenotypes, such as biofilm formation and quorum sensing do not appear as a result of the exposure of bacteria to antibiotics although, it is known that biofilm formation can be induced by antibiotics. These phenotypes are related to tolerance to antibiotics in bacteria. Different strategies, such as the use of nanostructured materials, are being developed to overcome these and other types of resistance. Nanostructured materials can be used to convey antimicrobials, to assist in the delivery of novel drugs or ultimately, possess antimicrobial activity by themselves. Additionally, nanoparticles (e.g., metallic, organic, carbon nanotubes, etc.) may circumvent drug resistance mechanisms in bacteria and, associated with their antimicrobial potential, inhibit biofilm formation or other important processes. Other strategies, including the combined use of plant-based antimicrobials and nanoparticles to overcome toxicity issues, are also being investigated. Coupling nanoparticles and natural-based antimicrobials (or other repurposed compounds) to inhibit the activity of bacterial efflux pumps; formation of biofilms; interference of quorum sensing; and possibly plasmid curing, are just some of the strategies to combat multidrug resistant bacteria. However, the use of nanoparticles still presents a challenge to therapy and much more research is needed in order to overcome this. In this review, we will summarize the current research on nanoparticles and other nanomaterials and how these are or can be applied in the future to fight multidrug resistant bacteria.
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Affiliation(s)
- Pedro V. Baptista
- UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
| | - Matthew P. McCusker
- School of Food Science and Environmental Health, College of Sciences and Health, Dublin Institute of Technology, Dublin, Ireland
| | - Andreia Carvalho
- UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
| | - Daniela A. Ferreira
- Department of Microbiology, Moyne Institute of Preventive Medicine, Schools of Genetics and Microbiology, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Niamh M. Mohan
- Department of Microbiology, Moyne Institute of Preventive Medicine, Schools of Genetics and Microbiology, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Nuritas Limited, Dublin, Ireland
| | - Marta Martins
- Department of Microbiology, Moyne Institute of Preventive Medicine, Schools of Genetics and Microbiology, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Alexandra R. Fernandes
- UCIBIO, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
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