Antibacterial properties of doped nanoparticles
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Proma Bhattacharya
Proma Bhattacharya is presently working as a research scholar at the Department of Chemical Engineering, Indian Institute of Technology (Kharagpur, India). Her research interests include the development of advanced nanomaterials for antibacterial activity. She received her undergraduate degree from the West Bengal University of Technology (India) and postgraduate degree from the Indian Institute of Technology. She has published papers and chapters in international journals and books.
Sudarsan Neogi is currently a professor at the Department of Chemical Engineering, Indian Institute of Technology (Kharagpur, India). He obtained his bachelor’s and Master’s degrees in chemical engineering from the University of Calcutta (India) and PhD from Ohio University (USA). He has approximately 10 years of industrial experience at Alcatel (North Carolina, USA). His research is focused mainly on the surface modification and engineering of polymer substrates by cold plasma for biomedical applications. He is also working in the field of nanotechnology and its applications in biomedical and wastewater treatment.
Abstract
Nanoparticles have high potential as antibacterial agents, owing to their ability to produce reactive oxygen species (ROS). Recent studies have indicated that this ROS generation is highly affected by the modification of band structure by the introduction of various dopant materials into them. Thus, doped nanoparticles have been extensively studied in the recent literature. The types of dopants, synthesis techniques, and experimental parameters have been found to affect the overall electronic structure of the material, leading to varied antibacterial efficiency. This review summarizes some of the prominent dopant nanomaterials, various methods of synthesizing doped nanoparticles used against bacterial cells, and the main factors involved in it. Despite the extensive research on the mechanism of the antibacterial action, it is still poorly understood mainly due to the inherent complexities and dynamics in cell membranes. Some of the major proposed mechanisms of action of each kind of dopant nanomaterial have also been reported in this work, focusing on the bacterial cell structure.
About the authors
Proma Bhattacharya is presently working as a research scholar at the Department of Chemical Engineering, Indian Institute of Technology (Kharagpur, India). Her research interests include the development of advanced nanomaterials for antibacterial activity. She received her undergraduate degree from the West Bengal University of Technology (India) and postgraduate degree from the Indian Institute of Technology. She has published papers and chapters in international journals and books.
Sudarsan Neogi is currently a professor at the Department of Chemical Engineering, Indian Institute of Technology (Kharagpur, India). He obtained his bachelor’s and Master’s degrees in chemical engineering from the University of Calcutta (India) and PhD from Ohio University (USA). He has approximately 10 years of industrial experience at Alcatel (North Carolina, USA). His research is focused mainly on the surface modification and engineering of polymer substrates by cold plasma for biomedical applications. He is also working in the field of nanotechnology and its applications in biomedical and wastewater treatment.
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