Nowadays, it is a great challenge to develop new medicines for treating various infectious diseases. The treatment of these diseases is of utmost interest to further prevent the development of multi-drug resistance in different pathogens. Carbon quantum dots, as a new member of the carbon nanomaterials family, can potentially be used as a highly promising visible-light-triggered antibacterial agent. In this work, the results of antibacterial and cytotoxic activities of gamma-ray-irradiated carbon quantum dots are presented. Carbon quantum dots (CQDs) were synthesized from citric acid by a pyrolysis procedure and irradiated by gamma rays at different doses (25, 50, 100 and 200 kGy). Structure, chemical composition and optical properties were investigated by atomic force microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, UV-Vis spectrometry and photoluminescence. Structural analysis showed that CQDs... have a spherical-like shape and dose-dependent average diameters and heights. Antibacterial tests showed that all irradiated dots had antibacterial activity but CQDs irradiated with dose of 100 kGy had antibacterial activity against all seven pathogen-reference bacterial strains. Gamma-ray-modified CQDs did not show any cytotoxicity toward human fetal-originated MRC-5 cells. Moreover, fluorescence microscopy showed excellent cellular uptake of CQDs irradiated with doses of 25 and 200 kGy into MRC-5 cells.
TY - JOUR
AU - Marković, Zoran M.
AU - Mišović, Aleksandra
AU - Zmejkoski, Danica
AU - Zdravković, Nemanja M.
AU - Kovač, Janez
AU - Bajuk-Bogdanović, Danica
AU - Milivojević, Dušan
AU - Mojsin, Marija
AU - Stevanović, Milena
AU - Pavlović, Vladimir B.
AU - Todorović-Marković, Biljana
PY - 2023
UR - https://vinar.vin.bg.ac.rs/handle/123456789/11075
AB - Nowadays, it is a great challenge to develop new medicines for treating various infectious diseases. The treatment of these diseases is of utmost interest to further prevent the development of multi-drug resistance in different pathogens. Carbon quantum dots, as a new member of the carbon nanomaterials family, can potentially be used as a highly promising visible-light-triggered antibacterial agent. In this work, the results of antibacterial and cytotoxic activities of gamma-ray-irradiated carbon quantum dots are presented. Carbon quantum dots (CQDs) were synthesized from citric acid by a pyrolysis procedure and irradiated by gamma rays at different doses (25, 50, 100 and 200 kGy). Structure, chemical composition and optical properties were investigated by atomic force microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, UV-Vis spectrometry and photoluminescence. Structural analysis showed that CQDs have a spherical-like shape and dose-dependent average diameters and heights. Antibacterial tests showed that all irradiated dots had antibacterial activity but CQDs irradiated with dose of 100 kGy had antibacterial activity against all seven pathogen-reference bacterial strains. Gamma-ray-modified CQDs did not show any cytotoxicity toward human fetal-originated MRC-5 cells. Moreover, fluorescence microscopy showed excellent cellular uptake of CQDs irradiated with doses of 25 and 200 kGy into MRC-5 cells.
T2 - Antibiotics
T1 - Employing Gamma-Ray-Modified Carbon Quantum Dots to Combat a Wide Range of Bacteria
VL - 12
IS - 5
SP - 919
DO - 10.3390/antibiotics12050919
ER -
@article{
author = "Marković, Zoran M. and Mišović, Aleksandra and Zmejkoski, Danica and Zdravković, Nemanja M. and Kovač, Janez and Bajuk-Bogdanović, Danica and Milivojević, Dušan and Mojsin, Marija and Stevanović, Milena and Pavlović, Vladimir B. and Todorović-Marković, Biljana",
year = "2023",
abstract = "Nowadays, it is a great challenge to develop new medicines for treating various infectious diseases. The treatment of these diseases is of utmost interest to further prevent the development of multi-drug resistance in different pathogens. Carbon quantum dots, as a new member of the carbon nanomaterials family, can potentially be used as a highly promising visible-light-triggered antibacterial agent. In this work, the results of antibacterial and cytotoxic activities of gamma-ray-irradiated carbon quantum dots are presented. Carbon quantum dots (CQDs) were synthesized from citric acid by a pyrolysis procedure and irradiated by gamma rays at different doses (25, 50, 100 and 200 kGy). Structure, chemical composition and optical properties were investigated by atomic force microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, UV-Vis spectrometry and photoluminescence. Structural analysis showed that CQDs have a spherical-like shape and dose-dependent average diameters and heights. Antibacterial tests showed that all irradiated dots had antibacterial activity but CQDs irradiated with dose of 100 kGy had antibacterial activity against all seven pathogen-reference bacterial strains. Gamma-ray-modified CQDs did not show any cytotoxicity toward human fetal-originated MRC-5 cells. Moreover, fluorescence microscopy showed excellent cellular uptake of CQDs irradiated with doses of 25 and 200 kGy into MRC-5 cells.",
journal = "Antibiotics",
title = "Employing Gamma-Ray-Modified Carbon Quantum Dots to Combat a Wide Range of Bacteria",
volume = "12",
number = "5",
pages = "919",
doi = "10.3390/antibiotics12050919"
}
Marković, Z. M., Mišović, A., Zmejkoski, D., Zdravković, N. M., Kovač, J., Bajuk-Bogdanović, D., Milivojević, D., Mojsin, M., Stevanović, M., Pavlović, V. B.,& Todorović-Marković, B.. (2023). Employing Gamma-Ray-Modified Carbon Quantum Dots to Combat a Wide Range of Bacteria. in Antibiotics, 12(5), 919.
https://doi.org/10.3390/antibiotics12050919
Marković ZM, Mišović A, Zmejkoski D, Zdravković NM, Kovač J, Bajuk-Bogdanović D, Milivojević D, Mojsin M, Stevanović M, Pavlović VB, Todorović-Marković B. Employing Gamma-Ray-Modified Carbon Quantum Dots to Combat a Wide Range of Bacteria. in Antibiotics. 2023;12(5):919.
doi:10.3390/antibiotics12050919 .
Marković, Zoran M., Mišović, Aleksandra, Zmejkoski, Danica, Zdravković, Nemanja M., Kovač, Janez, Bajuk-Bogdanović, Danica, Milivojević, Dušan, Mojsin, Marija, Stevanović, Milena, Pavlović, Vladimir B., Todorović-Marković, Biljana, "Employing Gamma-Ray-Modified Carbon Quantum Dots to Combat a Wide Range of Bacteria" in Antibiotics, 12, no. 5 (2023):919,
https://doi.org/10.3390/antibiotics12050919 . .
