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Xesfyngi Y, Georgoutsou-Spyridonos M, Tripathy A, Milionis A, Poulikakos D, Mastellos DC, Tserepi A. A High-Performance Antibacterial Nanostructured ZnO Microfluidic Device for Controlled Bacterial Lysis and DNA Release. Antibiotics (Basel) 2023; 12:1276. [PMID: 37627695 PMCID: PMC10451374 DOI: 10.3390/antibiotics12081276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
In this work, the antibacterial properties of nanostructured zinc oxide (ZnO) surfaces are explored by incorporating them as walls in a simple-to-fabricate microchannel device. Bacterial cell lysis is demonstrated and quantified in such a device, which functions due to the action of its nanostructured ZnO surfaces in contact with the working fluid. To shed light on the mechanism responsible for lysis, E. coli bacteria were incubated in zinc and nanostructured ZnO substrates, as well as the here-investigated ZnO-based microfluidic devices. The unprecedented killing efficiency of E. coli in nanostructured ZnO microchannels, effective after a 15 min incubation, paves the way for the implementation of such microfluidic chips in the disinfection of bacteria-containing solutions. In addition, the DNA release was confirmed by off-chip PCR and UV absorption measurements. The results indicate that the present nanostructured ZnO-based microfluidic chip can, under light, achieve partial inactivation of the released bacterial DNA via reactive oxygen species-mediated oxidative damage. The present device concept can find broader applications in cases where the presence of DNA in a sample is not desirable. Furthermore, the present microchannel device enables, in the dark, efficient release of bacterial DNA for downstream genomic DNA analysis. The demonstrated potential of this antibacterial device for tailored dual functionality in light/dark conditions is the main novel contribution of the present work.
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Affiliation(s)
- Yvonni Xesfyngi
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research (NCSR) “Demokritos”, Patr. Gregoriou E’ and 27 Neapoleos Str., 15341 Aghia Paraskevi, Greece; (Y.X.); (M.G.-S.)
| | - Maria Georgoutsou-Spyridonos
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research (NCSR) “Demokritos”, Patr. Gregoriou E’ and 27 Neapoleos Str., 15341 Aghia Paraskevi, Greece; (Y.X.); (M.G.-S.)
| | - Abinash Tripathy
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland; (A.T.); (A.M.); (D.P.)
| | - Athanasios Milionis
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland; (A.T.); (A.M.); (D.P.)
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland; (A.T.); (A.M.); (D.P.)
| | - Dimitrios C. Mastellos
- Institute of Nuclear & Radiological Sciences and Technology, Energy & Safety, National Center for Scientific Research (NCSR) “Demokritos”, Patr. Gregoriou E’ and 27 Neapoleos Str., 15341 Aghia Paraskevi, Greece;
| | - Angeliki Tserepi
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research (NCSR) “Demokritos”, Patr. Gregoriou E’ and 27 Neapoleos Str., 15341 Aghia Paraskevi, Greece; (Y.X.); (M.G.-S.)
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Hossain SI, Kukushkina EA, Izzi M, Sportelli MC, Picca RA, Ditaranto N, Cioffi N. A Review on Montmorillonite-Based Nanoantimicrobials: State of the Art. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13050848. [PMID: 36903726 PMCID: PMC10005688 DOI: 10.3390/nano13050848] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/17/2023] [Accepted: 02/22/2023] [Indexed: 06/10/2023]
Abstract
One of the crucial challenges of our time is to effectively use metal and metal oxide nanoparticles (NPs) as an alternative way to combat drug-resistant infections. Metal and metal oxide NPs such as Ag, Ag2O, Cu, Cu2O, CuO, and ZnO have found their way against antimicrobial resistance. However, they also suffer from several limitations ranging from toxicity issues to resistance mechanisms by complex structures of bacterial communities, so-called biofilms. In this regard, scientists are urgently looking for convenient approaches to develop heterostructure synergistic nanocomposites which could overcome toxicity issues, enhance antimicrobial activity, improve thermal and mechanical stability, and increase shelf life. These nanocomposites provide a controlled release of bioactive substances into the surrounding medium, are cost effective, reproducible, and scalable for real life applications such as food additives, nanoantimicrobial coating in food technology, food preservation, optical limiters, the bio medical field, and wastewater treatment application. Naturally abundant and non-toxic Montmorillonite (MMT) is a novel support to accommodate NPs, due to its negative surface charge and control release of NPs and ions. At the time of this review, around 250 articles have been published focusing on the incorporation of Ag-, Cu-, and ZnO-based NPs into MMT support and thus furthering their introduction into polymer matrix composites dominantly used for antimicrobial application. Therefore, it is highly relevant to report a comprehensive review of Ag-, Cu-, and ZnO-modified MMT. This review provides a comprehensive overview of MMT-based nanoantimicrobials, particularly dealing with preparation methods, materials characterization, and mechanisms of action, antimicrobial activity on different bacterial strains, real life applications, and environmental and toxicity issues.
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Affiliation(s)
- Syed Imdadul Hossain
- Chemistry Department, University of Bari Aldo Moro, Via E. Orabona 4, 70126 Bari, Italy
- CSGI (Center for Colloid and Surface Science) c/o, Department of Chemistry, Via Orabona 4, 70125 Bari, Italy
| | - Ekaterina A. Kukushkina
- Chemistry Department, University of Bari Aldo Moro, Via E. Orabona 4, 70126 Bari, Italy
- CSGI (Center for Colloid and Surface Science) c/o, Department of Chemistry, Via Orabona 4, 70125 Bari, Italy
| | - Margherita Izzi
- Chemistry Department, University of Bari Aldo Moro, Via E. Orabona 4, 70126 Bari, Italy
- CSGI (Center for Colloid and Surface Science) c/o, Department of Chemistry, Via Orabona 4, 70125 Bari, Italy
| | | | - Rosaria Anna Picca
- Chemistry Department, University of Bari Aldo Moro, Via E. Orabona 4, 70126 Bari, Italy
- CSGI (Center for Colloid and Surface Science) c/o, Department of Chemistry, Via Orabona 4, 70125 Bari, Italy
| | - Nicoletta Ditaranto
- Chemistry Department, University of Bari Aldo Moro, Via E. Orabona 4, 70126 Bari, Italy
- CSGI (Center for Colloid and Surface Science) c/o, Department of Chemistry, Via Orabona 4, 70125 Bari, Italy
| | - Nicola Cioffi
- Chemistry Department, University of Bari Aldo Moro, Via E. Orabona 4, 70126 Bari, Italy
- CSGI (Center for Colloid and Surface Science) c/o, Department of Chemistry, Via Orabona 4, 70125 Bari, Italy
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Izzi M, Chiara Sportelli M, Anna Picca R, Cioffi N. Electrochemical Synthesis and Analytical Characterization of Hybrid Zinc/Calcium Antimicrobial Nano‐Oxides for Cultural Heritage Applications. ChemElectroChem 2023. [DOI: 10.1002/celc.202201132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Margherita Izzi
- Chemistry Department University of Bari Aldo Moro Via E. Orabona 4 Bari 70125 Italy
- Chemistry Dept. of University of Bari CSGI (Center for Colloid and Surface Science) Via E. Orabona 4 Bari 70125 Italy
| | - Maria Chiara Sportelli
- Chemistry Department University of Bari Aldo Moro Via E. Orabona 4 Bari 70125 Italy
- Chemistry Dept. of University of Bari CSGI (Center for Colloid and Surface Science) Via E. Orabona 4 Bari 70125 Italy
| | - Rosaria Anna Picca
- Chemistry Department University of Bari Aldo Moro Via E. Orabona 4 Bari 70125 Italy
- Chemistry Dept. of University of Bari CSGI (Center for Colloid and Surface Science) Via E. Orabona 4 Bari 70125 Italy
| | - Nicola Cioffi
- Chemistry Department University of Bari Aldo Moro Via E. Orabona 4 Bari 70125 Italy
- Chemistry Dept. of University of Bari CSGI (Center for Colloid and Surface Science) Via E. Orabona 4 Bari 70125 Italy
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On the Efficacy of ZnO Nanostructures against SARS-CoV-2. Int J Mol Sci 2022; 23:ijms23063040. [PMID: 35328455 PMCID: PMC8950216 DOI: 10.3390/ijms23063040] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 12/23/2022] Open
Abstract
In 2019, the new coronavirus disease (COVID-19), related to the severe acute respiratory syndrome coronavirus (SARS-CoV-2), started spreading around the word, giving rise to the world pandemic we are still facing. Since then, many strategies for the prevention and control of COVID-19 have been studied and implemented. In addition to pharmacological treatments and vaccines, it is mandatory to ensure the cleaning and disinfection of the skin and inanimate surfaces, especially in those contexts where the contagion could spread quickly, such as hospitals and clinical laboratories, schools, transport, and public places in general. Here, we report the efficacy of ZnO nanoparticles (ZnONPs) against SARS-CoV-2. NPs were produced using an ecofriendly method and fully characterized; their antiviral activity was tested in vitro against SARS-CoV-2, showing a decrease in viral load between 70% and 90%, as a function of the material’s composition. Application of these nano-antimicrobials as coatings for commonly touched surfaces is envisaged.
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Jin SE, Jin HE. Antimicrobial Activity of Zinc Oxide Nano/Microparticles and Their Combinations against Pathogenic Microorganisms for Biomedical Applications: From Physicochemical Characteristics to Pharmacological Aspects. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:263. [PMID: 33498491 PMCID: PMC7922830 DOI: 10.3390/nano11020263] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/15/2021] [Accepted: 01/17/2021] [Indexed: 12/31/2022]
Abstract
Zinc oxide (ZnO) nano/microparticles (NPs/MPs) have been studied as antibiotics to enhance antimicrobial activity against pathogenic bacteria and viruses with or without antibiotic resistance. They have unique physicochemical characteristics that can affect biological and toxicological responses in microorganisms. Metal ion release, particle adsorption, and reactive oxygen species generation are the main mechanisms underlying their antimicrobial action. In this review, we describe the physicochemical characteristics of ZnO NPs/MPs related to biological and toxicological effects and discuss the recent findings of the antimicrobial activity of ZnO NPs/MPs and their combinations with other materials against pathogenic microorganisms. Current biomedical applications of ZnO NPs/MPs and combinations with other materials are also presented. This review will provide the better understanding of ZnO NPs/MPs as antibiotic alternatives and aid in further development of antibiotic agents for industrial and clinical applications.
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Affiliation(s)
- Su-Eon Jin
- Research Institute for Medical Sciences, College of Medicine, Inha University, Incheon 22212, Korea
| | - Hyo-Eon Jin
- College of Pharmacy, Ajou University, Suwon 16499, Korea
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Díez-Pascual AM. Recent Progress in Antimicrobial Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2315. [PMID: 33238368 PMCID: PMC7700142 DOI: 10.3390/nano10112315] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/03/2020] [Accepted: 11/13/2020] [Indexed: 12/27/2022]
Abstract
Bacterial infections are a well-known and serious problem in numerous areas of everyday life, causing death, pain, and huge added costs to healthcare worldwide [...].
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Affiliation(s)
- Ana Maria Díez-Pascual
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, Faculty of Sciences, Institute of Chemistry Research "Andrés M. del Río" (IQAR), University of Alcalá, Ctra. Madrid-Barcelona, Km. 33.6, 28871 Alcalá de Henares, Madrid, Spain
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