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Antibacterial performance of B/N doped ZnO
Silmi Rahma Amelia (a), Anggun Tamy Y (a), Fazriah Ulpah (a), Dhea Nafthalia A (a), Tety Sudiarti (a*), Atthar Luqman Ivansyah (b)

(a) Chemistry Science, Science and Technology Faculty, UIN Sunan Gunung Djati, Indonesia
(a) Chemistry Science, Science and Technology Faculty, UIN Sunan Gunung Djati, Indonesia
(a) Chemistry Science, Science and Technology Faculty, UIN Sunan Gunung Djati, Indonesia
(a) Chemistry Science, Science and Technology Faculty, UIN Sunan Gunung Djati, Indonesia
(a) Chemistry Science, Science and Technology Faculty, UIN Sunan Gunung Djati, Indonesia
*tety.sudiarti[at]uinsgd.ac.id
(b) Chemistry Science, Institut Teknologi Bandung, Indonesia


Abstract

Nanoscale materials are many developed at this time due to their excellent biocompatibility and chemical stability. This material can be used for biomedical applications such as drug carrier, cell or DNA separation, antimicrobial, wastewater cleaning, etc. Hence, undoped ZnO nanoparticles and B/N doped ZnO nanoparticles were prepared using the solid-state method at 500 degrees Celcius for 5 hours. The prepared materials were characterized by standard analytical techniques such as XRD and SEM. The results of the XRD analysis showed that undoped ZnO and B/N doped ZnO were successfully synthesized because they have the same peak as the ZnO standard (JCPDS No. 01-079-0205), and then the structure is hexagonal wurtzite with the average crystal size being 29.02 nm and 24.54 nm, respectively. Characterization with SEM showed the morphology of undoped ZnO was rod-shaped and had a non-uniform size, while B/N doped ZnO has almost spherical particles. The particle sizes of the undoped ZnO are 94.35 and 62.82 nm for B/N doped ZnO. The antibacterial property of the synthesized materials was evaluated against Gram-positive Staphylococcus aureus, and Gram-negative Escherichia coli with control positive and control negative is amoxicillin and aquabidest, respectively. This investigation revealed that the synthesized materials were able to inhibit the activity of Escherichia coli better than Staphylococcus aureus with the diameter of inhibition of 9.25 mm for undoped ZnO and 8.80 mm for B/N doped ZnO.

Keywords: ZnO, B/N doped ZnO, Solid-state method, Antibacterial studies

Topic: Inorganic Chemistry

Plain Format | Corresponding Author (Silmi Rahma Amelia)

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