Different metal and metal oxide nanoparticles covered in this review, along with their biomedical applications.

S. no.	Source	Metal and metal oxide	Morphology	Applications	Ref.
1	l-Glutathione	Gold nanoclusters	Size is 2 nm, with intense red fluorescence and high photostability	Tumor targeted imaging, rapid imaging, fluorescence-imaging guided photothermal therapy of tumor	67
2	Rose Bengal and dextran	Gadolinium nanoparticles	Paramagnetic behavior with 17 nm in size and spherical	Bioimaging and tracking of cancer cells	68
3	PLGA and glycol chitosan shell	Iron oxide nanoparticles	Superparamagnetic spherically shaped of 100–750 nm	MRI contrasting agent	69
4	Black beans (Phaseolus vulgaris)	CuONPs	Crystalline and uneven, spherical-shaped nanoparticles	Inhibited the growth of cervical carcinoma cells by generating ROS	70
5	Nepeta deflersiana	AgNPs	Spherical and 33 nm in size	Inhibited the growth of cervical carcinoma cells	71
6	Sargassum wightii	MgONPs	Spherical with 68.06 nm in size	Cytotoxic activity against lung cancer cells	72
				Antimicrobial activity
				Photocatalytic activity
7	Vaccinium arctostaphylos	ZnONPs	Spherical, 70–75 nm in size	Antioxidant activity	73
				Anticancer activity
				Antibacterial activity
8	Butea monosperma	AgONPs	Spherical with 35 nm	Chemotherapeutic drug delivery	74
9	Citrus paradise	ZnONPs	Spherical shaped 24.5 nm	Anti-oxidant activity	75
10	Moringa oleifera	La2O3 NPs	Spherical, 308 nm	Antimicrobial, anti-oxidation activities and for drug delivery	76
11	Bacterial cellulose	TiO2 nanocomposites	Dispersed nanoparticles of size between 20–30 nm	Wound healing and antibacterial activity	77
12	Artemisia annua	ZnONPs	Agglomerated, crystallized, spherical shaped, 20 nm in size	Antimicrobial activity for effective mineralization and cytotoxic impact on MG-63 cells	78