Table 2 Synthesis and characterization of BAL-CK-GNPs

Physical

Bacterial biomass (OD600)

1

–

–

GNP concentration (mM)

2

–

–

CK concentration (mM)

0.3

–

–

pH

7

–

–

FTIR

C = O stretch, C = C alkene

–

1654.74

1640.46

CH2 bend

–

1453.57

1455.02

CH3 bend

–

1387.02

1384.74

PO2- stretching

–

1076.79

1075.98

C–H alkene

–

646.85

658.84

P–O–C twisting

–

–

1042.63

N–H bending and C–H stretching (amide II)

–

–

1546.03

TEM

Shape

Spherical

–

–

Size (nm)

10–25

–

–

Element mapping (GNP)

Detect

–

–

SAED pattern

Detect

–

–

EDX spectrum

Detect

–

–

Zeta potential (mV)

 − 40.33

–

–