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      Silver nanoparticles as an effective disinfectant: A review

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          Abstract

          The paradigm modifications in the metallic crystals from bulky to micro-size to nano-scale have resulted in excellent and amazing properties; which have been the remarkable interests in a wider range of applications. Particularly, Ag NPs have much attention owing to their distinctive optical, chemical, electrical and catalytic properties that can be tuned with surface nature, size, shapes, etc. and hence these crystals have been used in various fields such as catalysis, sensor, electronic components, antimicrobial agents in the health industry etc. Among them, Ag NPs based disinfectants have paid attention due to the practical applications in our daily life. Therefore the Ag NPs have been used in different sectors such as silver-based air/water filters, textile, animal husbandry, biomedical and food packaging etc. In this review, the Ag NPs as a disinfectant in different sectors have been included in detail.

          Highlights

          • •

            Silver nanoparticles as a potent disinfectant

          • •

            Applications of silver nanoparticles in Environmental, HAIs and industrial sectors

          • •

            Role of silver nanoparticles for disinfections

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          Does the antibacterial activity of silver nanoparticles depend on the shape of the nanoparticle? A study of the Gram-negative bacterium Escherichia coli.

          Sukdeb Pal, Yu Tak, Joon Myong Song (2007)
          In this work we investigated the antibacterial properties of differently shaped silver nanoparticles against the gram-negative bacterium Escherichia coli, both in liquid systems and on agar plates. Energy-filtering transmission electron microscopy images revealed considerable changes in the cell membranes upon treatment, resulting in cell death. Truncated triangular silver nanoplates with a {111} lattice plane as the basal plane displayed the strongest biocidal action, compared with spherical and rod-shaped nanoparticles and with Ag(+) (in the form of AgNO(3)). It is proposed that nanoscale size and the presence of a {111} plane combine to promote this biocidal property. To our knowledge, this is the first comparative study on the bactericidal properties of silver nanoparticles of different shapes, and our results demonstrate that silver nanoparticles undergo a shape-dependent interaction with the gram-negative organism E. coli.
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            Applications of nanotechnology in food packaging and food safety: Barrier materials, antimicrobials and sensors

            Timothy Duncan (2011)
            Graphical abstract Nanotechnology may revolutionize the food industry by providing stronger, high-barrier packaging materials, more potent antimicrobial agents, and a host of sensors which can detect trace contaminants, gasses or microbes in packaged foods. Highlights ► Focuses on the use of nanomaterials in food packaging and sensing applications. ► Polymer nanocomposites offer high gas barriers, strength, and flame retardancy. ► Silver and metal oxide nanoparticles are potent biocides. ► Nanosensors and assays detect gasses, small molecules and microorganisms. ► Economic outlook and health and safety implications are also briefly reviewed.
            Article 0 comments Cited 384 times – based on 0 reviews     Review now
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              Nanosilver as a new generation of nanoproduct in biomedical applications.

              Karla Chaloupka, Yogeshkumar Malam, Alexander M. Seifalian (2010)
              Nanosilver (NS), comprising silver nanoparticles, is attracting interest for a range of biomedical applications owing to its potent antibacterial activity. It has recently been demonstrated that NS has useful anti-inflammatory effects and improves wound healing, which could be exploited in developing better dressings for wounds and burns. The key to its broad-acting and potent antibacterial activity is the multifaceted mechanism by which NS acts on microbes. This is utilized in antibacterial coatings on medical devices to reduce nosocomial infection rates. Many new synthesis methods have emerged and are being evaluated for NS production for medical applications. NS toxicity is also critically discussed to reflect on potential concerns before widespread application in the medical field. Copyright © 2010 Elsevier Ltd. All rights reserved.
              Article 0 comments Cited 337 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                S.D. Delekar
                Journal
                Journal ID (nlm-ta): Mater Sci Eng C Mater Biol Appl
                Journal ID (iso-abbrev): Mater Sci Eng C Mater Biol Appl
                Title: Materials Science & Engineering. C, Materials for Biological Applications
                Publisher: Elsevier B.V.
                ISSN (Print): 0928-4931
                ISSN (Electronic): 1873-0191
                Publication date PMC-release: 28 December 2018
                Publication date (Print): April 2019
                Publication date (Electronic): 28 December 2018
                Volume: 97
                Pages: 954-965
                Affiliations
                [a ]Department of Chemistry, Shivaji University, Kolhapur 416 004, MS, India
                [b ]Department of Chemistry, D.B.F. Dayanand College of Arts and Science, Solapur 413 002, MS, India
                [c ]Department of Chemistry, Karmaveer Hire College, Gargoti, Kolhapur 416 209, MS, India
                Author notes
                [* ]Corresponding author. sddelekar7@ 123456rediffmail.com
                Article
                Publisher ID: S0928-4931(18)32204-5
                DOI: 10.1016/j.msec.2018.12.102
                PMC ID: 7127744
                PubMed ID: 30678983
                SO-VID: 3a212ff8-a4f0-4d5b-a010-a3985aab1709
                Copyright © © 2018 Elsevier B.V. All rights reserved.
                License:

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                Date received : 25 July 2018
                Date revision received : 18 December 2018
                Date accepted : 25 December 2018
                Categories
                Subject: Article

                Keywords: disinfectant,silver nanoparticles,biomedical,hais,food packaging, textiles,animal husbandry
                Data availability:
                Keywords: disinfectant, silver nanoparticles, biomedical, hais, food packaging, textiles, animal husbandry

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