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Original Articles

Synthesis and antibacterial activity of colloidal silver prepared by electrochemical method

ORCID Icon, , &
Pages 214-220 | Received 16 Feb 2022, Accepted 17 Jun 2022, Published online: 26 Jun 2022

Figures & data

Table 1. Silver concentration for samples of colloidal silver obtained under different reaction conditions.

Figure 1. Color change of the sample during electrolysis (from colorless to gray).

Figure 1. Color change of the sample during electrolysis (from colorless to gray).

Figure 2. The absorption spectrum of sample E2.

Figure 2. The absorption spectrum of sample E2.

Figure 3. TEM image for the obtained silver colloids in sample E1(a) (5000× magnification) and sample E2 (b) (16,000× magnification).

Figure 3. TEM image for the obtained silver colloids in sample E1(a) (5000× magnification) and sample E2 (b) (16,000× magnification).

Figure 4. TEM image for the obtained silver colloids in sample E3 (a) and E4 (16,000× magnification).

Figure 4. TEM image for the obtained silver colloids in sample E3 (a) and E4 (16,000× magnification).

Figure 5. Color changes in the microplate for prepared colloidal silver solutions with different microorganisms.

Figure 5. Color changes in the microplate for prepared colloidal silver solutions with different microorganisms.

Table 2. Qualitative analysis of the antimicrobial activity of different colloidal silver solutions.