Fourier transform infrared spectroscopy to assess molecular-level changes in microorganisms exposed to nanoparticles

F Faghihzadeh, NM Anaya, LA Schifman… - Nanotechnology for …, 2016 - Springer
Fourier transform infrared (FTIR) is a spectroscopy method that can identify variations in the
total composition of microorganisms through the determination of changes in functional …

In situ study of the antibacterial activity and mechanism of action of silver nanoparticles by surface-enhanced Raman spectroscopy

L Cui, P Chen, S Chen, Z Yuan, C Yu, B Ren… - Analytical …, 2013 - ACS Publications
Silver nanoparticles (Ag NPs) are extensively used as an antibacterial additive in
commercial products and their release has caused environmental risk. However …

Characterization of Nanoparticles by FTIR and FTIR-Microscopy

MM Eid - Handbook of consumer nanoproducts, 2022 - Springer
One of the most important analytical techniques available to today's scientists is infrared
spectroscopy. Infrared spectroscopy has the advantage of being able to study virtually every …

Interaction of silver nanoparticles with Escherichia coli and their cell envelope biomolecules

MA Ansari, HM Khan, AA Khan… - Journal of basic …, 2014 - Wiley Online Library
The antibacterial effect of AgNPs was investigated by determining MIC/MBC and growth
kinetics assay. The lowest MIC/MBC was found to be in the range of 11.25–22.5 µg ml− 1 …

Antibacterial effect of various shapes of silver nanoparticles monitored by SERS

MR El-Zahry, A Mahmoud, IH Refaat, HA Mohamed… - Talanta, 2015 - Elsevier
A comparative evaluation of antimicrobial effect of synthesized silver nanoparticles (AgNPs)
of different shapes using different methods was performed. Spherical, triangular and …

Mechanisms of antibiotic resistance in bacteria mediated by silver nanoparticles

C Kaweeteerawat, P Na Ubol… - Journal of Toxicology …, 2017 - Taylor & Francis
Silver nanoparticles (AgNPs) are widely used in industry, consumer products, and medical
appliances due to their efficient antimicrobial properties. However, information on …

Analysis of silver nanoparticles in antimicrobial products using surface-enhanced Raman spectroscopy (SERS)

H Guo, Z Zhang, B Xing, A Mukherjee… - … science & technology, 2015 - ACS Publications
Silver nanoparticles (AgNPs) are the most commonly used nanoparticles in consumer
products. Concerns over human exposure to and risk from these particles have resulted in …

Oxidative stress generation of silver nanoparticles in three bacterial genera and its relationship with the antimicrobial activity

MA Quinteros, VC Aristizábal, PR Dalmasso… - Toxicology in vitro, 2016 - Elsevier
Oxidative stress is a condition caused by the high intracellular concentrations of reactive
oxygen species (ROS) that includes superoxide anion radicals, hydroxyl radicals and …

Fourier transform infrared spectroscopy for molecular analysis of microbial cells

JJ Ojeda, M Dittrich - Microbial Systems Biology: Methods and Protocols, 2012 - Springer
A rapid and inexpensive method to characterise chemical cell properties and identify the
functional groups present in the cell wall is Fourier transform infrared spectroscopy (FTIR) …

New insights of the bacterial response to exposure of differently sized silver nanomaterials

JI Lu, S Zhang, S Gao, P Wang, PL Bond, J Guo - Water research, 2020 - Elsevier
The release of silver nanomaterials (AgNMs) from extensive use poses potential risks to
human health and ecological environments. Although previous studies have reported the …