Current perspectives of metal-based nanomaterials as photocatalytic antimicrobial agents and their therapeutic modes of action: A review

Leong, Cheng Yee; Wahab, Roswanira Abdul; Lee, Siew Ling; Ponnusamy, Vinoth Kumar; Chen, Yi‐Hsun

doi:10.1016/j.envres.2023.115578

Cited by 17 publications

(9 citation statements)

References 156 publications

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“…In addition, silver nanoparticles' anticandidal efficiency is caused by the creation of insoluble compounds containing sulfhydryl groups in candidal cell walls, as well as the breakdown of membrane-bound enzymes and lipids, which causes cell lysis [82]. Furthermore, the disruption of the candidal cell membrane and cell wall leads to the destabilization of membrane permeability, resulting in the leakage of potassium ions (K + ) [83]. These events, triggered by the action of silver nanoparticles, resulting in the initiation of candidal cell death by disturbing cellular permeability, disrupting DNA replication, and inhibiting protein synthesis [84].…”

Section: Screening Of Antimicrobial Effectiveness Of Biogenic Agnpsmentioning

confidence: 99%

Green Biofabrication of Silver Nanoparticles of Potential Synergistic Activity with Antibacterial and Antifungal Agents against Some Nosocomial Pathogens

et al. 2023

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Nosocomial bacterial and fungal infections are one of the main causes of high morbidity and mortality worldwide, owing to the high prevalence of multidrug-resistant microbial strains. Hence, the study aims to synthesize, characterize, and investigate the antifungal and antibacterial activity of silver nanoparticles (AgNPs) fabricated using Camellia sinensis leaves against nosocomial pathogens. The biogenic AgNPs revealed a small particle diameter of 35.761 ± 3.18 nm based on transmission electron microscope (TEM) graphs and a negative surface charge of −14.1 mV, revealing the repulsive forces between nanoparticles, which in turn indicated their colloidal stability. The disk diffusion assay confirmed that Escherichia coli was the most susceptible bacterial strain to the biogenic AgNPs (200 g/disk), while the lowest sensitive strain was found to be the Acinetobacter baumannii strain with relative inhibition zones of 36.14 ± 0.67 and 21.04 ± 0.19 mm, respectively. On the other hand, the biogenic AgNPs (200 µg/disk) exposed antifungal efficacy against Candida albicans strain with a relative inhibition zone of 18.16 ± 0.14 mm in diameter. The biogenic AgNPs exposed synergistic activity with both tigecycline and clotrimazole against A. baumannii and C. albicans, respectively. In conclusion, the biogenic AgNPs demonstrated distinct physicochemical properties and potential synergistic bioactivity with tigecycline, linezolid, and clotrimazole against gram-negative, gram-positive, and fungal strains, respectively. This is paving the way for the development of effective antimicrobial combinations for the effective management of nosocomial pathogens in intensive care units (ICUs) and health care settings.

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Section: Screening Of Antimicrobial Effectiveness Of Biogenic Agnpsmentioning

confidence: 99%

Green Biofabrication of Silver Nanoparticles of Potential Synergistic Activity with Antibacterial and Antifungal Agents against Some Nosocomial Pathogens

et al. 2023

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“…Photocatalytic activity is a commonly investigated function of metallic and semiconductor nanoparticles. One of the most studied forms of heterogeneous photocatalysts is titanium dioxide (TiO 2 ), in particular, the anatase crystalline form, for the treatment of biological and chemical pollutants in indoor environments [ 124 ]. This form is activated by ultraviolet radiation to carry out oxidation–reduction reactions that act on the surface of the microorganism, achieving its inactivation.…”

Section: Industrial Applications Of Nanoparticles Based On Wpcbsmentioning

confidence: 99%

From E-Waste to High-Value Materials: Sustainable Synthesis of Metal, Metal Oxide, and MOF Nanoparticles from Waste Printed Circuit Boards

Pineda-Vásquez,

Rendón-Castrillón,

Ramírez-Carmona

et al. 2023

Nanomaterials

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The exponential growth of electronic waste (e-waste) has raised significant environmental concerns, with projections indicating a surge to 74.7 million metric tons of e-waste generated by 2030. Waste printed circuit boards (WPCBs), constituting approximately 10% of all e-waste, are particularly intriguing due to their high content of valuable metals and rare earth elements. However, the presence of hazardous elements necessitates sustainable recycling strategies. This review explores innovative approaches to sustainable metal nanoparticle synthesis from WPCBs. Efficient metal recovery from WPCBs begins with disassembly and the utilization of advanced equipment for optimal separation. Various pretreatment techniques, including selective leaching and magnetic separation, enhance metal recovery efficiency. Green recovery systems such as biohydrometallurgy offer eco-friendly alternatives, with high selectivity. Converting metal ions into nanoparticles involves concentration and transformation methods like chemical precipitation, electrowinning, and dialysis. These methods are vital for transforming recovered metal ions into valuable nanoparticles, promoting sustainable resource utilization and eco-friendly e-waste recycling. Sustainable green synthesis methods utilizing natural sources, including microorganisms and plants, are discussed, with a focus on their applications in producing well-defined nanoparticles. Nanoparticles derived from WPCBs find valuable applications in drug delivery, microelectronics, antimicrobial materials, environmental remediation, diagnostics, catalysis, agriculture, etc. They contribute to eco-friendly wastewater treatment, photocatalysis, protective coatings, and biomedicine. The important implications of this review lie in its identification of sustainable metal nanoparticle synthesis from WPCBs as a pivotal solution to e-waste environmental concerns, paving the way for eco-friendly recycling practices and the supply of valuable materials for diverse industrial applications.

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“…The rapid development of nanotechnology has revolutionized research in applied sciences, including biomedical, cosmetic, infrastructure, electronics, and food packaging [ 1 ]. The production and use of nanomaterials are growing in various industrial processes [ 2 , 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

“…Metal-based nanomaterials are valuable and have a wide range of applications in various industries, including electronics, medical, dental, textiles, coatings, food packaging, and wastewater treatment [ 1 , 6 ]. Other emerging potential uses include dispersions and coatings, consolidated materials, biomedicine, and nanodevices [ 5 ], and in recent years, the development of nanomaterial applications in consumer products, such as UV filters in sunscreen, odor-resistant textiles, tumor therapies [ 12 ], lithium-ion batteries for electric vehicles, and solar panels [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

“…These materials are dominant primarily in tire manufacturing as a polymer filler, in toothpaste, or as an anticoagulant in powdered foods [ 13 ]. These applications stem from their physicochemical properties and their small size, which result in a high surface area-to-volume ratio, increased reactivity, and ideal optical properties [ 1 ], offering a larger surface area compared to the same mass of bulk materials, making them more chemically reactive [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

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Advancements in Nanoparticle Deposition Techniques for Diverse Substrates: A Review

Escorcia-Díaz,

García-Mora,

Rendón-Castrillón

et al. 2023

Nanomaterials

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Nanoparticle deposition on various substrates has gained significant attention due to the potential applications of nanoparticles in various fields. This review paper comprehensively analyzes different nanoparticle deposition techniques on ceramic, polymeric, and metallic substrates. The deposition techniques covered include electron gun evaporation, physical vapor deposition, plasma enriched chemical vapor deposition (PECVD), electrochemical deposition, chemical vapor deposition, electrophoretic deposition, laser metal deposition, and atomic layer deposition (ALD), thermophoretic deposition, supercritical deposition, spin coating, and dip coating. Additionally, the sustainability aspects of these deposition techniques are discussed, along with their potential applications in anti-icing, antibacterial power, and filtration systems. Finally, the review explores the importance of deposition purities in achieving optimal nanomaterial performance. This comprehensive review aims to provide valuable insights into state-of-the-art techniques and applications in the field of nanomaterial deposition.

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Current perspectives of metal-based nanomaterials as photocatalytic antimicrobial agents and their therapeutic modes of action: A review

Cited by 17 publications

References 156 publications

Green Biofabrication of Silver Nanoparticles of Potential Synergistic Activity with Antibacterial and Antifungal Agents against Some Nosocomial Pathogens

Green Biofabrication of Silver Nanoparticles of Potential Synergistic Activity with Antibacterial and Antifungal Agents against Some Nosocomial Pathogens

From E-Waste to High-Value Materials: Sustainable Synthesis of Metal, Metal Oxide, and MOF Nanoparticles from Waste Printed Circuit Boards

Advancements in Nanoparticle Deposition Techniques for Diverse Substrates: A Review

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