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Nanoparticle-Doped Antibacterial and Antifungal Coatings.

Polymers (Basel)

January 2025

Department of Chemical Engineering, Dr B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India.

Antimicrobial polymeric coatings rely not only on their surface functionalities but also on nanoparticles (NPs). Antimicrobial coatings gain their properties from the addition of NPs into a polymeric matrix. NPs that have been used include metal-based NPs, metal oxide NPs, carbon-based nanomaterials, and organic NPs.

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Ultrasonic-Assisted Synthesis and Cytocompatibility Assessment of TiO/SiO Nanoparticles-Impregnated Gum Arabic Nanocomposite: Edible Coating of Dates for Shelf-Life Extension.

Polymers (Basel)

January 2025

Nanobiotechnology and Molecular Biology Research Laboratory, Department of Food Science and Nutrition, College of Food Science and Agriculture, King Saud University, Riyadh P.O. Box 2460, Saudi Arabia.

The post-harvest management of fruit is crucial to preventing its decay and loss. Generally, edible coatings are applied to fruit to avoid decay and microbial contamination. We have used ultrasonication to synthesize TiO and residue-derived biosilica embedded in gum arabic nanocomposite.

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Polymeric dielectrics have garnered significant interest worldwide due to their excellent comprehensive performance. However, developing polymeric dielectric films with high permittivity () and breakdown strength () and low dielectric loss (tan) presents a huge challenge. In this study, amorphous aluminum oxide (AlO, AO) transition interfaces with nanoscale thickness were constructed between titanium oxide (TiO, TO) nanosheets and polyvinylidene fluoride (PVDF) to manufacture composites (PVDF/TO@AO).

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Low-power gas sensors that can be used in IoT (Internet of Things) systems, consumer devices, and point-of-care devices will enable new applications in environmental monitoring and health protection. We fabricated a monolithic chemiresistive gas sensor by integrating a micro-lightplate with a 2D sensing material composed of single-layer graphene and monolayer-thick TiO. Applying ultraviolet (380 nm) light with quantum energy above the TiO bandgap effectively enhanced the sensor responses.

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Water pollution, resulting from industrial effluents, agricultural runoff, and pharmaceutical residues, poses serious threats to ecosystems and human health, highlighting the need for innovative approaches to effective remediation, particularly for non-biodegradable emerging pollutants. This research work explores the influence of shape-controlled nanocrystalline titanium dioxide (TiO NC), synthesized by a simple hydrothermal method, on the photodegradation efficiency of three different classes of emerging environmental pollutants: phenol, pesticides (methomyl), and drugs (sodium diclofenac). Experiments were conducted to assess the influence of the water matrix on treatment efficiency by using ultrapure water and stormwater (basic) collected from an urban drainage system as matrices.

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