242
I. A. Adelere and A. Lateef
Table 1
(continued)
Microalgal species
Reaction conditions
Mode of
synthesis
Type of
nanoparticles
Size (nm) Shape
Application
References
Microcoleus
sp
5 ml of cell filtrate
+ 95 mL
of 1 mM AgNO
3 incubated
at room temperature for 24 h
Extracellular AgNPs
40–80
Spherical Antibacterial
activity
Sudha et al.
(2013)
Amphora
sp.
Aqueous extract of the
diatom
+ AgNO
3 solution to
a final concentration of 2
×
10 –2
M AgNO
3 held at
35–40 °C under light
Extracellular AgNPs
20–25
Spherical Antibacterial
activity
Jena et al. (2015)
Limnothrix
sp
5 mg ml −1
C-phycocyanin
+
10 ml of 1 mM AgNO
3
incubated at 25 °C, pH 7,
under cool fluorescent light
for 48 h
Extracellular AgNPs
13–31
Elongated –
Patel et al. (2015)
Cylindrospermumstagnale
and
Microcheate
sp.
Aqueous extract of each
species
+ 1 mM AgNO
3
held at 30 °C under light for
30–360 h
Extracellular AgNPs
40 and
100
Spherical –
Husain et al.
(2015)
Spirulina platensis
1 g of algal biomass
+
100 ml of 1 mM HAuCl
4
incubated at room
temperature with shaking,
held for 1–6 days
Extracellular AuNPs
15–60
Spherical –
Kalabegishvili
et al. (2012)
Chlorella vulgaris
and
Chaetoceros calcitrans
10 mL of 10 mM AgNO
3
+
100 ml of algal extract
heated at 60 °C for 1 h
Extracellular AgNPs
50–70 and
30–35
Spherical –
Karthikeyan
et al. (2015)