Antimicrobial Activity of Amino Acid-Capped Zinc and Copper Sulphide Nanoparticles

Figure 4

TEM images of (a) L-alanine-capped ZnS, (b) L-alanine-capped CuS, (c) L-aspartic acid-capped ZnS, and (d) L-aspartic acid-capped CuS nanoparticles.

(a)

(b)

(c)

(d)