TABLE 1.

Application of some metallic and metal oxide nanoparticles.

Metals	Application of metallic and metal oxide nanoparticles
Titanium dioxide (Ti)	Solar cells, food wraps, medicines, pharmaceuticals, lacquers, construction, medical devices, gas sensing, photocatalyst, agriculture, paint, food, cosmetic, sterilization, antibacterial coatings (Waghmode et al., 2019).
Zinc and Zinc oxide (Zn)	Medical and healthcare goods, sunscreens, packaging, UV-protective materials such as textiles.
Aluminum (Al)	Automobile industry, aircraft, heat shielding coatings, military application, corrosion, fuel additive/propellant.
Gold (Au)	Sensory probes, cellular imaging, electronic conductors, drug delivery, therapeutic agents, organic photovoltaics, catalysis, nanofibers, textiles.
Iron (Fe)	Magnetic imaging, environmental remediation, glass and ceramic industry, memory tape, resonance imaging, plastics, nanowires, coatings, textiles, alloy and catalyst applications.
Silica (Si)	Drug and gene delivery, adsorbents, electronic, sensor, catalysis, remediation of the environment pollutants, additive in rubber and plastic industry, filler, electric and thermal insulators.
Silver (Ag)	Antimicrobial coatings, textiles, batteries, surgery, wound dressings, biomedical devices, photography, electrical devices, dental work, burns treatment.
Copper (Cu)	Biosensors and electrochemical sensors, plastic additives like anti-biotic, anti-microbial, and anti-fungal agent, coatings, textiles, nanocomposite coating, catalyst, lubricants, inks, filler.
Cerium (Ce)	Chemical mechanical polishing/planarization, computer chip, corrosion, solar cells, fuel oxidation catalysis, automotive exhaust treatment (Dhall and Self, 2018).
Manganese and its oxides (Mn)	Molecular meshing, solar cells, batteries, catalysts, optoelectronics, drug delivery ion-sieves, imaging agents, magnetic storage devices, water treatment and purification (Hoseinpour and Ghaemi, 2018; Wang W. et al., 2019).
Nickel (Ni)	Fuel cells, membrane fuel cells, automotive catalytic converters, plastics, nanowires, nanofibers, textiles, coatings, conduction, magnetic properties, catalyst, batteries, printing inks.