Recent Trends of Nano-material as Antimicrobial Agents

Aggarwal, Taru; Wadhwa, Ridhima; Thapliyal, Noopur; Gupta, Riya; Hansbro, Philip M.; Dua, Kamal; Maurya, Pawan Kumar

doi:10.1007/978-981-13-6004-6_5

Cited by 3 publications

(2 citation statements)

References 72 publications

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“…They can interact with biomolecules, such as enzymes, nucleic acids, lipids. These interactions increase the adsorption, linking with thiol groups, covalent bonding, and electrostatic interactions, and consequently create better antimicrobial activity (Aggarwal et al, 2019;Kim, Park, Jeon, Kim, & Seo, 2017;Raza et al, 2016). Likewise, the antibacterial effect of NPs is improved with smaller particle sizes and higher concentrations (Agnihotri, Mukherji, & Mukherji, 2014;Korshed, Li, Liu, Mironov, & Wang, 2019;da Silva et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

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In vitro antimicrobial effect of metallic nanoparticles on phytopathogenic strains of crop plants

Vera‐Reyes

Esparza‐Arredondo²,

Lira-Saldívar³

et al. 2019

Journal of Phytopathology

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In this research, the in vitro antimicrobial effect of zinc oxide (ZnO), copper oxide (CuO) and iron oxide (Fe2O3) nanoparticles (NPs)—with average sizes of 20, 46 and 30 nm, respectively—on the root rot disease caused by the fungus Fusarium oxysporum and on blight disease caused by the fungus Alternaria solani were studied. Also, bacterial diseases caused by Clavibacter michiganensis and Pseudomonas syringae that infects a wide range of plant species were assessed. Different concentrations of NPs (0, 100, 250, 500, 700 and 1,000 mg/L) were prepared on PDA agar or King's B medium in a complete randomized design with four replicates. According to the results, ZnO NPs exhibited an outstanding inhibitory effect against fungi and bacteria strains. The above results were associated with the smaller particle size. Fungi strains showed a differential sensitivity depending on the kind of NPs used. A. solani showed the highest sensitivity to ZnO NPs at 1,000 mg/L (99%), followed by CuO NPs at the same dose (95%). Fe2O3 NPs at all evaluated doses had no inhibitory effects on the mycelia growth of this strain, although F. oxysporum revealed greater effectiveness of the CuO NPs (96%) compared with ZnO NPs since it only inhibited 91% of the mycelial growth. The antibacterial activity was studied through optical density. C. michiganensis was found to be more sensitive to ZnO NPs because a lesser dose (700 mg/L) was required to reduce the bacterial growth (90%); in comparison, P. syringae required a dose of 1,000 mg/L to inhibit its growth (67%). CuO NPs displayed the smallest growth inhibition against the bacteria strains analysed. The antimicrobial effect of the metallic NPs that were assayed increased with higher doses.

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Section: Discussionmentioning

confidence: 99%

“…These interactions increase the adsorption, linking with thiol groups, covalent bonding, and electrostatic interactions, and consequently create better antimicrobial activity (Aggarwal et al, 2019;Kim, Park, Jeon, Kim, & Seo, 2017;Raza et al, 2016). They can interact with biomolecules, such as enzymes, nucleic acids, lipids.…”

Section: Discussionmentioning

confidence: 99%

In vitro antimicrobial effect of metallic nanoparticles on phytopathogenic strains of crop plants

Vera‐Reyes

Esparza‐Arredondo²,

Lira-Saldívar³

et al. 2019

Journal of Phytopathology

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Boost antimicrobial effect of CTAB-capped NixCu1−xO (0.0 ≤ x ≤ 0.05) nanoparticles by reformed optical and dielectric characters

Shah

Din

et al. 2021

J Mater Sci

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Beyond the Obvious: Smoking and Respiratory Infection Implications on Alzheimer's Disease

Wadhwa

Paudel

Mehta

et al. 2020

CNSNDDT

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Background: Tobacco smoke is not only a leading cause for chronic obstructive pulmonary disease, cardiovascular disorders, lung and oral cancers but also causes neurological disorders such as Alzheimer's disease. Tobacco smoke consists of more than 4500 toxic chemicals, which form free radicals and can cross blood brain barrier resulting in oxidative stress, an extracellular amyloid plaque from the aggregation of amyloid β (Aβ) peptide deposition in the brain. Further, respiratory infections such as Chlamydia pneumoniae, respiratory syncytial virus have also been involved in the induction and development of the disease. Methods: The necessary information collated on this review has been gathered from various literature published from 1995 to 2019. Findings: The review article sheds light on the role of smoking and respiratory infections in causing oxidative stress and neuroinflammation resulting in Alzheimer's disease (AD). This review will be of interest to scientists and researchers from biological and medical science disciplines including microbiology, pharmaceutical sciences and the translational researchers, etc. Conclusion: The increasing understanding of the relationship between chronic lung disease and neurological disease are two-fold. First, this would help to identify the risk factors and possible therapeutic interventions to reduce the development and progression of both diseases. Second, this would help to reduce the probable risk of development of AD in the population prone to chronic lung diseases.

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Recent Trends of Nano-material as Antimicrobial Agents

Cited by 3 publications

References 72 publications

In vitro antimicrobial effect of metallic nanoparticles on phytopathogenic strains of crop plants

In vitro antimicrobial effect of metallic nanoparticles on phytopathogenic strains of crop plants

Boost antimicrobial effect of CTAB-capped NixCu1−xO (0.0 ≤ x ≤ 0.05) nanoparticles by reformed optical and dielectric characters

Beyond the Obvious: Smoking and Respiratory Infection Implications on Alzheimer's Disease

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