Oxide nanoparticles that are photocatalytically active can show antibacterial properties also under light illumination

metallic nanoparticles such as copper, aluminium, gold, silver, magnesium, zinc and titanium nanoparticles

Silver nanoparticles are very toxic to the bacterial cells. it should be talk in concentration of silver nanoparticles. 1 mg/ ml solution also toxicity to the bacterial cells

magnesium, zinc and titanium

thank you dear Raul D. Rodriguez

thank you dear Anthony Ayodeji Adegoke

thank you dear Khem Raj Meena

thank you dear Qaysar M Al-Hashemi