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Table 6 Antimicrobial activity of CML–T nanocomposite against Gram-positive and Gram-negative bacteria: a comparative study for size of clearance zone as observed by the well diffusion method

From: Synthesis and characterization of crystalline carboxymethylated lignin–TEOS nanocomposites for metal adsorption and antibacterial activity

Sample concentration (mg/µl) Bacterial strains
P. aeruginosa (MTCC 741) (mm) S. aureus (MTCC 96) (mm) E. coli (MTCC 739) B. subtilis (MTCC 441) (mm)
Control
 10 Nil Nil Nil Nil
 20 1.3 2.0 Nil 3.0
CML–1T
 10 0.9 2.2 Nil 4.0
 20 0.89 2.1 Nil 0.3
CML–2T
 10 0.69 1.9 Nil 0.21
 20 0.55 1.61 Nil 0.19
CML–3T
 10 0.52 0.21 Nil 0.16
 20 0.42 0.29 Nil 0.12