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Mesoporous carbon nanospheres derived from agro-waste as novel antimicrobial agents against gram-negative bacteria
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Mesoporous carbon nanospheres derived from agro-waste as novel antimicrobial agents against gram-negative bacteria
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Journal Article
Mesoporous carbon nanospheres derived from agro-waste as novel antimicrobial agents against gram-negative bacteria
2021
Overview
Porous carbon nanospheres were synthesized from agro-waste garlic peels by a one-pot facile and easy to scale-up pyrolysis method. Surface morphology and structural features of the nanospheres have been studied by field emission scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction, and Raman spectroscopy. Fourier transform infrared spectroscopy (FTIR) and N
2
adsorption desorption experiments were explored to detect surface functionality, surface area, and porosity. Average particle diameter of the synthesized nanospheres was 31 ± 6.3 nm and zeta potential of − 25.2 mV ± 1.75 mV. Nanoscale carbon was mesoporous in nature with type IV isotherms, mean pore diameter of 15.2 nm, and total pore volume of 0.032 cm
3
/g. Minimum inhibitory concentration and minimum bactericidal concentration values of carbon nanospheres against
Escherichia coli
are 480 ± 0.5 μg/ml and 495 ± 0.5 μg/ml, respectively. Synthesized nanospheres exhibited gram-selective antimicrobial action against
Escherichia coli
probably linked to membrane deformity due to interaction of nanocarbon with the bacterial membrane. Carbon nanospheres resulting from waste to wealth transformation emerged as promising candidates for antibacterial application.
Graphical abstract
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
Subject
/ Anti-Bacterial Agents - pharmacology
/ Antiinfectives and antibacterials
/ Atmospheric Protection/Air Quality Control/Air Pollution
/ Bacteria
/ Carbon
/ E coli
/ Earth and Environmental Science
/ energy-dispersive X-ray analysis
/ Fourier transform infrared spectroscopy
/ Garlic
/ Minimum inhibitory concentration
/ Porosity
/ Scanning electron microscopy
/ Spectroscopy, Fourier Transform Infrared
/ wastes
