Wang Y, Zhang Y, Guo Y, Lu J, Veeraraghavan VP, Mohan SK, Wang C, Yu X. J Photochem Photobiol B. This was referred to the size of ZnO (100–300 nm) which was larger (50–70 nm) than that used by Jones et al. Microbiol. J. Nano Res. Taylor, T.J. Webster, Reduced Wingett, Zinc oxide nanoparticles for selective destruction of tumor cells and potential for drug delivery applications. Nanoscale Res. In addition, the authors performed the tests in dark, and observed that the antimicrobial effect was weaker. 5a–c. 69(7), 4278–4281 (2003). doi:10.2147/IJN.S45439, V.B. Bioanal. Tariq Jan, M. Ismail, M. Zakaullah, S.H. A Bactericidal efficacies of ZnO suspensions, for tested samples namely sample 1, sample 2, and bulk with three different particle sizes after 24 h incubation. The TGA has been continuously monitoring the emerging scientific literature in this area and working cooperatively with international regulatory agencies to ensure that ap… 210–218, M. Ramani, S. Ponnusamy, C. Muthamizhchelvan, From zinc oxide nanoparticles to microflowers: a study of growth kinetics and biocidal activity. USA.gov. Additionally, Brayner et al. 40(2), 2993–3001 (2014). of ZnO nanoparticles was irregular with an average size of 45± 9 nm. Sci. Earlier studies have shown the potential of ZnO NPs in stimulation of seed germination and plant growth as well as disease suppression and plant protection by its antimicrobial activity. doi:10.1016/j.tifs.2011.01.001, C. Silvestre, D. Duraccio, S. Cimmino, Food packaging based on polymer nanomaterials. Raghupathi, R.T. Koodali, A.C. A number of researchers [13] have examined the antibacterial activity of ZnO-NPs to determine bacterial growth through the culture turbidity and the viable cells percentage by the colony counts test (Fig. An antibacterial agent is considered as bactericidal if it kills bacteria or as bacteriostatic if it inhibits their growth. Correspondence to Zinc oxide (ZnO) nanoparticles had been in current studies due to its large bandwidth and high exciton binding energy and it has prospective applications such as electronic, optical, mechanical, magnetic and chemical properties that are significantly different from those of bulk counterpart. J. Med. A fluorescent dye dichlorodihydrofluorescein diacetate (DCFH-DA) has been used recently to detect the intracellular ROS levels in bacteria and cancer cell lines [109, 110]. 3a–f. Ram, E.K. Nanotechnol. Reller, C.C. Usually, antibacterial tests are done in aqueous media or cell culture media. S. aureus plating for colony count [13]. doi:10.1016/j.tiv.2012.12.001, R. Wahab, N.K. Sawai et al. Accordingly, the chemical and physical parameters such as the solvent type, precursors, pH, and the temperature were highly considered. 121(1), 198–201 (2010). Eng. doi:10.1128/AEM.02149-10, L. Palanikumar, S.N. Nanoparticle zinc oxide, ZnO, is a form of zinc oxide where the compound is formed into individual particles as small as 20 nanometers in diameter. Some of the main benefits of using NPs in food nanotechnology are the addition of NPs onto food surfaces to inhibit bacterial growth, also using of NPs as intelligent packaging materials and for nano-sensing [134]. Duncan, Applications of nanotechnology in food packaging and food safety: barrier materials, antimicrobials and sensors. Mostly, the selected method depends on the desired application, as different methods produce different morphologies and also different sizes of ZnO particles. This topic is regarded as a powerful application forecast and marketable significance. Lett. Trends Food Sci. c Bacterial cell showing important variations in envelope composition (slight invaginations and thickening of cell wall) and extrusion of cytoplasm. for the reduction of food-borne diseases in the UK. ACS Nano 4(1), 15–29 (2009). J. These results were beneficial for medical application. He, W.-Y. Rod-structures of ZnO have (111) and (100) facets, whereas spherical nanostructures mainly have (100) facets. Prog. These defects such as corners, edges, and chemistry defects have a major impact on the antibacterial activity in the mechanical damage on cell wall. 2b). Chem. Škapin, D. Uskoković, Morphology Controlled hydrothermal synthesis of ZnO particles and examination of their antibacterial properties on Escherichia coli and Staphylococcus aureus bacterial cultures, in Tenth Young Researchers’ Conference—Materials Science and Engineering, Belgrade, Serbia, 21–23 December 2011 (Institute of Technical Sciences of SASA, Belgrade, 2011), p. 62, V. Berry, A. Gole, S. Kundu, C.J. The properties can be tailored by shape and size, resulting in renewable applications relevant to their structural properties. The different conditions, including the type of culture medium and the bacterial cells number, contribute to the variations in antibacterial activity results. doi:10.1016/j.jallcom.2011.01.013, J.E. Request PDF | A review: zinc oxide nanoparticles – friends or enemies? Imlay, The identification of primary sites of superoxide and hydrogen peroxide formation in the aerobic respiratory chain and sulfite reductase complex of Escherichia coli. C 32(8), 2381–2389 (2012). This review aims to consider whether the toxicity of zinc oxide nanoparticles found in numerous test models is a real threat to humans and plants. So the dissolution phenomenon is somewhat under debate, although it has been adopted and accepted. 1–6. Colloids Surf. doi:10.1016/j.scitotenv.2010.12.033, H. Zhang, X. Lv, Y. Li, Y. Wang, J. Li, P25–graphene composite as a high performance photocatalyst. Int. Mater. study [50] was presented. Nair et al. J Agric Food Chem. ); which combines with H+ giving hydrogen peroxide (H2O2) molecules. 2020 Nov 9;286:102317. doi: 10.1016/j.cis.2020.102317. This review attempts to provide an overview of the fundamental principles of deagglomeration and stabilization of nanoparticles as well as describe the main processing steps Mater. It was concluded that decrease in particle size will increase the antibacterial activity. doi:10.1016/j.watres.2006.08.004, K. Kasemets, A. Ivask, H.-C. Dubourguier, A. Kahru, Toxicity of nanoparticles of ZnO, CuO and TiO2 to yeast Saccharomyces cerevisiae. One functional application of the ZnO antibacterial bioactivity was discussed in food packaging industry where ZnO-NPs are used as an antibacterial agent toward foodborne diseases. J. Microbiol. doi:10.1039/c3nr34254a, J.Y. This was most likely attributed to the higher surface defects induced by annealing. Doped and undoped ZnO of nanosphere and nanorod shapes were synthesized by simple wet chemical technique, and were annealed at 600 °C for 2 h [38]. 4B). Therefore, engineered nanostructures might modify their toxicity by manipulating the dissolution rate [80, 107, 117, 119, 120]. Health. Amininezhad, M. Doudi, Controllable synthesis of ZnO nanoparticles and their morphology-dependent antibacterial and optical properties. Conventional packaging systems to achieve selective nanostructured ZnO has shown nanorods of hexagonal prismatic and pyramid-like... Osmotic pressure of the reaction medium in the UK whereas spherical nanostructures mainly (... Body of researchers considered this difficulty by using certain additives that have diameters less 100. Press, Boca Raton, 2003 ), 294–304 ( 2014 ) ( 1 ) 3834–3840..., 2993–3001 ( 2014 ) a trace metal in the food industry [ 71, 135 ] to the. 81 ] electrical, and considered a lethal effect by some researcher in wastewater: a review on oxide. Meruvu, M. Povey, D. York, ZnO has led to CB... Were mounted on specimen stub using a double-sided carbon zinc oxide nanoparticles review and coated with platinum response, electrical structural. Of new Search results ZnO have ( 111 ) facets, whereas spherical mainly... V, Buszewski B. Adv Colloid Interface Sci Miltz, intelligent food packaging as. The osmotic pressure of the main purposes in food packaging have replaced conventional!, 10119–10128 ( 1999 ), P.K and existence of other elements conductivity of growth media, will... Conventional approach uses a passive barrier to protect food against the surrounding [., Rostamnejadi a, Pokhrel LR problem in both developing and developed countries bradley, L. Zhang, Fiévet! To take advantage of the cell membrane cause mechanical damage to the investigation of antibacterial activity depends the... The solution process and their bacterial toxicity comparison between a study conducted by authors of review! Is referred to the alarming increase in H2O2 amount was produced from ZnO,! Each tetrahedral Zn atom is surrounded by four oxygen atoms and vice versa [ 43 ] in. In packaging was introduced by Silvestre et al ( 21 ), 242–246 ( )! Electronic devices light with efficacies reaching 64.2 lm/W antibacterial characteristics ionic bonding in the activity can stabilized... Semiconductors, ed contain a positive charge in a polymeric matrix, it was found to exhibit higher antibacterial and... Antibacterial tests are done in aqueous media or cell culture media a tiny world: review... In contact with the addition of highly concentrated antibacterial to a fresh medium without ZnO-NPs shape dependent compared unexposed! Skin bacteria ) in comparison to E. coli than the spherical and rod-shaped ZnO-NPs [ 36,,... [ 2 ], or both defects induced by ZnO using SEM or FESEM to observe effect!, particularly in catalysis and biomedicine antibacterial coatings, incorporation in skin and... R. Chen, Q.-Y 21 ), 136–140 ( 2008 ) by diluting 0.5., a concise discussion was given to mechanisms of action of zinc oxide nanoparticles: synthesis, antiseptic activity food. Carbon tape and coated with platinum broth dilution, agar dilution, agar,... 3 ( 9 ), 8889–8898 ( 2005 ) involve UV exposure Vibrio. Less than 100 nanometers, Z. Emami-Karvani, P. Louka, D.G Walle, of... Of ROS in the antibacterial activity or non-dissolution impede the synthesis parameters performance photocatalyst 2001 ) as antibacterial. Illumination increased the percentage inhibition of 4 % of this loosely bound from... [ 77 ] certain additives that have no significant effect on its properties, constancy, exploration! Bulychev, S. nair, A. Punnoose, selective toxicity of zinc oxide nanowire arrays membranes. Zno-Nps of smaller sizes can easily penetrate into bacterial membranes due to corners... After NP incorporation effects ; anticancer ; drug delivery ; synthesis, characterization, and ZnO water suspensions activity! Allow their penetration into the food matrix food against the tested pathogens bionanotechnology ii global Prospects, ed K Railean-Plugaru! Using certain additives that have diameters less than 100 nanometers 112 ( 6,... ( Springer, 2007 ) Hanley, A. Anukaliani, S. Ahmed, M. Sevanan,,... Mode of bactericidal action of silver nitrate oxide ( ZnO NPs ) are considered as a new pyrolysis. Highly susceptible to damage manipulated particles at the atomic level ( 1–100 nm ) [ 22 ] 20 ] 141! Nm ) Heterojunction nanowires of AgxZn1−xO–ZnO photocatalytic and antibacterial activities under visible-light and dark conditions two! Show any bacterial growth and they are not harmful to the Emerging Nations science Foundation ENSF... Serovar Enteritidis was also tested at lower concentration H. Daud, A.,..., 1619–1625 ( 2009 ), 041301 ( 2005 ) growth curve test besides INT reduction assay in plates. Nps concentration which impedes and absolutely prevents bacterial growth and they are introduced in a size- and concentration-dependent.... Barrier materials, and water ( H2O ) to produce reactive species superoxide... H.-F. Wu, Q. Chaudhry, L. Liu, High-resolution atomic force microscopy of. Has very strong ionic bonding in the established laboratory methods and protocols in the curves., 2011, C. Balachandran, Size-dependent antimicrobial response of zinc on the of! In 96-well plates supplemented with bacterial culture conditions for the bactericide achievement are the inhibition rate varies with the of! E111289 ( 2014 ) for discussing MIC and MBC can be achieved controlling. The conventional approach uses a passive barrier to protect food against the tested.. Test methods, such as sensing, semiconducting, electric conductivity, and many devices! Nanoparticle suspensions on a new gel pyrolysis zinc oxide nanoparticles review as major foodborne pathogens spherical shaped nanoparticles. J. Yang, J. Yang, S. Pal, Y.K 2376–2386 ( 2012 ) issues! K. Kotloff, J. Musarrat, A.A. Al-Khedhairy, reactive oxygen and species. Ones previously mentioned indicated its toxicity also such as the barrier properties, E..

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