1,226
Views
13
CrossRef citations to date
0
Altmetric
Research Article

Light emitting diode irradiation induced shape conversion of DNA-capped silver nanoparticles and their antioxidant and antibacterial activities

, & ORCID Icon
Pages 955-963 | Received 12 Dec 2017, Accepted 08 Feb 2018, Published online: 19 Feb 2018

Figures & data

Figure 1. Image of the extracted plasmid DNA visualized on an agarose gel (A) and UV–VIS spectra of the formed AgNPs under different conditions (B).

Figure 1. Image of the extracted plasmid DNA visualized on an agarose gel (A) and UV–VIS spectra of the formed AgNPs under different conditions (B).

Figure 2. UV–VIS spectra of the synthesized AgNPs in the reactions containing different DNA contents at 24 h (A) and 20 µg DNA in a time course of 24 h (B) under the blue light irradiation.

Figure 2. UV–VIS spectra of the synthesized AgNPs in the reactions containing different DNA contents at 24 h (A) and 20 µg DNA in a time course of 24 h (B) under the blue light irradiation.

Figure 3. Representative TEM images of the synthesized yellow (A), green (B) and orange (C) colloidal AgNPs.

Figure 3. Representative TEM images of the synthesized yellow (A), green (B) and orange (C) colloidal AgNPs.

Figure 4. SEAD-TEM (A–C) and HR-TEM (D–F) analyses of the yellow, green and orange colloidal AgNPs.

Figure 4. SEAD-TEM (A–C) and HR-TEM (D–F) analyses of the yellow, green and orange colloidal AgNPs.

Figure 5. XRD pattern of the yellow (A), green (B) and orange (C) colloidal AgNPs.

Figure 5. XRD pattern of the yellow (A), green (B) and orange (C) colloidal AgNPs.

Figure 6. DPPH free radical scavenging activity of the synthesized AgNPs and positive control, ascorbic acid. The average data were calculated from five repetitive samples.

Figure 6. DPPH free radical scavenging activity of the synthesized AgNPs and positive control, ascorbic acid. The average data were calculated from five repetitive samples.

Figure 7. Growth curves of Escherichia coli (A) and Staphylococcus aureus (B) in response to yellow, green and orange colloidal AgNPs at 20 µg/ml in a time course of 24 h. The data represented as means ± SD from five repetitive samples.

Figure 7. Growth curves of Escherichia coli (A) and Staphylococcus aureus (B) in response to yellow, green and orange colloidal AgNPs at 20 µg/ml in a time course of 24 h. The data represented as means ± SD from five repetitive samples.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.