52

Sreekanth et al. (2012) [69]

Dioscorea batatas rhizome powder

1 mM, 25 and 80˚C

Static,

20 min at 5000 rpm

UV-Vis

FTIR

SEM

XRD

Shape―circular and flower

Structure―FCC

Nature―MD

53

Chaudhary et al. (2012) [112]

Aqueous filtrate of Vitis viniera fruit

1 mM, 10 hr, room temp. 10 ml/90 ml,

Static.15 min at 2000 rpm

UV-Vis

SEM

XRD

Size―10 - 880 nm Shape―sph

Structure―FCC, cubic and hexl

Antibacterial to B. subtilis, E. coli, P. aeruginosa and S. pnemoniae

54

Ashok kumar (2012) [113]

Aqueous filtrate of Prathemium hysterophorus plant

1 mM, 24 hr, room temp.

1 ml/9 ml,

Static,

20 min at 5000 rpm

UV-Vis

FTIR

SEM

XRD

Size―avg 10 nm

Shape―nearly sph

Structure―FCC

55

Patil et al. (2012) [33]

Filtered aqueous extract of Ocimum tenuiflorum leaf

1 mM, 10 min, room temp. 2 ml/20 ml,

Static

UV-Vis

TEM

PS

ZP

Size―15-25 nm

Shape-sph

Structure―FCC

Antibacterial against E. coli, C. bacterium, B. subtilis

Arunachalam et al. (2013) [114]

Indigofera aspalathoides,

aqueos leaf t extracts

UV Vis

SEM

EDAX

FTIR

Size―20 - 50 nm

Water-soluble organics leaf extract responsible to reduction. Wound healing applications

56

Mubarakali et al.

(2011) [115]

Filtered aqueous extract of Mentha piperita plant powder

1 mM, 24 hr, 28˚C,

1.5 ml/30 ml,

Static, 10 min at 6000 rpm

UV-Vis

FTIR

SEM

EDS

Size―90 nm

Shape―sph.

Active against clinically isolated human pathogens like E. coli and S. aureus.

57

Mukunthan et al.

(2011) [32]

Aqueous extract of Catharanthus roseus leaf

1 mM, 15 min, 80˚C,

10 ml/90 ml,

Static

UV-Vis

SEM

XRD

EDAX

Size―48 - 67 nm

Structure―FCC

Nature―uniform

Antibacterial activity against S. aureus, E. coli, K. pneumoniae, B. aureus and P. aeruginosa

58

Rajakumar and Abdul Rahuman

(2011) [70]

Filtered aqueous extract of Eclipta prostrate leaf

1 mM, 1 hr, room temp. 12 ml/88 ml, 45 min at 10000 rpm, Static

UV-Vis

FTIR

SEM

TEM

XRD

Size―35 - 60 nm

Shape―TEM: sph. SEM: triang, hex and pentagon

Structure― crystalline

Nature―biphasic

Stabile for 6 hr

Larvicidal to filariasis vector C. quinquefasciatus and malarial vector A. subpictus

59

Kumar and Yadav.

(2011) [116]

Filtered aqueous extract of Lonicera japonica L leaf.

1 to 9 mM, 24 hr, 40˚C - 80˚C,

5% to 40% (v/v),

Static, 5 min at 10000 rpm

UV-Vis

FTIR

SEM

TEM

AFM

ZP

Size―36 - 72 nm

Shape―sph, plate, and other shaped

Stability: zeta potential―41mV

60

Gnanadesigan et al.

(2011) [117]

Filtered aqueous extract of Rizophora mucronata leaf

1 M, 10 min, room temp. 10 ml/90 ml,

20 min at 12000 rpm,

Static

UV-Vis

FTIR

XRD

AFM

Size―60 - 95 nm

Shape―sph.

Structure―cryst

Larvicidal to Ae. aegypti and Cx. quinquefasciatus

61

Rani and Reddy

(2011) [118]

Decanted aqueous extract of Piper betel L. leaf

1 mM, 1 min to 2 hr, room temp, sunlight,

10 ml/190 ml,

Static,

15min at 6000 rpm.

UV-Vis

FTIR

TEM

XRD

Sunlight: 5min.

Size―~120 nm

Shape―irregular

Structure―FCC

Nature― agglomerated

Sunlight: 10 - 80 min

Size―28 - 17 nm

Shape―sph.

Structure―FCC

Nature―shelled AgNP

AgNP toxic to aquatic plant D. magna. Biosynthesized AgNP less toxic compared to chemically synthesized ones

62

Veerasamy et al. (2011) [119]

Aqueous filtrate of Garcinia mangostana leaf

0.25 - 5 mM, 0 - 70 min, 37˚C - 90˚C,

5 ml/95 ml,

Static, pH―4, 7, 8

30 min (5k rpm)

UV-Vis

FTIR

TEM

Size―avg 35 nm Shape―sph

Stable for 30 days,

Antibacterial against E. coli and S. aureus

63

Santoshkumar et al. (2011) [120]

Decanted aqueous filtrate of Nelumbo nucifera leaf

1 mM, 10 min, room temp. 12 ml/8 ml,

Static

UV-Vis

FTIR

TEM

XRD

Size―25 - 80 nm

Shape―sph, tri and dec Structure―FCC

Larvicidal against A. subpictus and C. quinquefasciatus

64

Ahmad et al. (2011) [121]

Aqueous extract of Desmodium triflorum

0.025 M, 1 hr

UV-Vis

TEM

XRD

Size―5 - 20 nm

Structure―cryst

Antibacterial against S. spp, E. coli, B. subtilis

65

Prathna et al. (2011) [122]

Filtered and centrifuged juice of Citruslimon fruit

0.1 - 10 mM, 4 hr, 30˚C,

1:4 to 4:1,

Shaken,

10 min at 10000 rpm

UV-Vis

XRD

TEM

FTIR

AFM

DLS

ZP

Size―~50 nm

Shape―nearly sph.

Structure―cryst

Nature―PD

AgNPs were stable for 14 days. Size-XRD-18.306 nm

AFM―<100 nm

TEM―25 - 50 nm

DLS―153.68 nm

66

Bankar et al

(2010) [50]

Acetone treated, aqueous extracted, filtered and precipitated powder of Banana peel

0.125 to 1mM, 3 min, 40˚C to 100˚C,

0.5 to 10 mg/2 ml,

pH: 2 ? 5,

Static

UV-Vis

FTIR.

SEM-EDS

XRD

Size―< 100 nm

Structure―FCC

Antifungal and antibacterial action

67

Njagi et al.

(2010) [123]

Filtered aqueous extract of Sorghum bran

0.1 M, 1min, room temp. 2:1 volume ratio, Shaken

UV-Vis

FE-SEM

HR-TEM-EDS

XRD

Size―10 nm

Shape―sph.

Structure―FCC

Nature―uniform nano clusters

AgNP of smaller size at 50˚C of extraction temperature compared to 25˚C and 80˚C