TABLE 2.

Bacteria mediated synthesis of PtNPs.

Bacteria	Size	Shape	Localization	References
Acetobacter xylinum	6.3–9.3 nm	Granular	Extracellular and intracellular	Aritonang et al. (2014)
Acinetobacter calcoaceticus PUCM 1011	2–3.5 nm	Cuboidal	Intracellular	Gaidhani et al. (2014)
Desulfovibrio alaskensis G20	-	-	Extracellular	Capeness et al. (2015)
Desulfovibrio vulgaris Hildenborough (DSM 644)	-	-	Extracellular	Martins et al. (2016)
Escherichia coli MC4100	2.3 ± 0.7 nm and 4.5 ± 0.7 nm	Spherical	-	Attard et al. (2012)
Plectonema boryanum UTEX 485	30 nm–0.3 µm	Spherical	Intracellular and extracellular	Lengke et al. (2006)
Calothrix pulvinata ALCP 745A	3.2 ± 0.3	Well-shaped	Intracellular	Brayner et al. (2007)
Anabaena flos-aquae ALCP B24	-	-	Intracellular	Brayner et al. (2007)
Leptolyngbya foveolarum ALCP 671B	-	-	Intracellular	Brayner et al. (2007)
Pseudomonas aeruginosa SM1	450 nm	Circular disk like	Extracellular	Srivastava and Constanti, (2012)
Shewanella algae	5 nm	Discrete	Periplasmic	Konishi et al. (2007)
Shewanella oneidensis MR-1	3–40	Spherical	Intracellular and extracellular	Xu et al. (2019)
	61.03	Snowflake shape	extracellular	Tuo et al. (2016)
Streptomyces sp.	20–50 nm	Spherical	Extracellular	Baskaran et al. (2017)
Sulphate reducing bacteria	200–1000 nm	Irregular, rectangle and square	Cell free soluble extract	Riddin et al. (2010)
Jeotgalicoccus coquinae ZC15	5.74	Spherical	Extracellular	Eramabadi et al. (2020)
Kocuria rosea MN23	5.85	Spherical	Extracellular	Eramabadi et al. (2020)
Pseudomonas kunmingensis ADR19	3.95	Spherical	Extracellular	Eramabadi et al. (2020)
Pseudomonas putida KT2440	8.06	Spherical	Extracellular	Eramabadi et al. (2020)
Psychrobacter faecalis FZC6	2.49	Spherical	Extracellular	Eramabadi et al. (2020)
Sporosarcina psychrophila KC19	4.24	Spherical	Extracellular	Eramabadi et al. (2020)
Vibrio fischeri NRRL B-11177	3.84	Spherical	Extracellular	Eramabadi et al. (2020)