Table 1.

Different methods of synthesizing AuNPs.

Nanoparticle	Method	Size (nm)	Shape	Application	Ref
AuNPs	Turkevich	3.5	Spherical	……….	[49]
AuNPs	Seed-mediated	30–150	Spherical	……….	[51]
AuNPs	Laser irradiation	24	Spherical	……….	[52]
AuNPs	γ-irradiation	5–40	Semi-spherical	……….	[59]
AuNRs	Chemical reduction	……….	rod	……….	[63]
AuNPs	Reduction by glutamic acid	40	Spherical	Bioconjugates	[64]
AuNPs	Brust	1–3	Semi-spherical	……….	[66]
AuNPs	Reduction	180	Decahedral	……….	[69]
AuNPs	Green	10	Spherical, triangular and hexagonal	……….	[70]
AuNPs	Sonochemical	22	Spherical	……….	[88]
AuNPs	Laser ablation	49	Spherical	……….	[88]
AuNPs	Sonochemical	18.5	Spherical	Computed tomography	[5]
AuNPs	Sonochemical	13.6, 18.6 and 22.3	Spherical	Catalysis	[89]