Biosynthesis and characterization of extracellular metabolites-based nanoparticles to control the whitefly.

The Beauveria spp. were isolated from soil and insect cadavers and confirmed as Beauveria bassiana by molecular identification using a specific primer. The bioefficacy of 14 B.

The impact of bacterial size on their survival in the presence of cationic particles of nano-silver.

Background: Microbial surface area is one of the battlegrounds for invading microbes and host defense. Hence, infectious diseases caused by drug resistant microbes with large surface area are more difficult to treat than small size microbes. Nanobiology offers opportunities to re-explore the biological properties of conventional drugs at molecular level to combat these microbes.

Bacterial membrane destabilization with cationic particles of nano-silver to combat efflux-mediated antibiotic resistance in Gram-negative bacteria.

Aims: With the purpose of exploring combinatorial options that could enhance the bactericide efficacy of linezolid against Gram-negative bacteria, we assessed the extent of combination of nano-silver and linezolid.

Main Methods: In this study, we selected Escherichia coli MTCC 443 as a model to study the combinatorial effect of nano-silver and linezolid to combat efflux-mediated resistance in Gram-negative bacteria. The acting mechanism of nano-silver on E.

Interruption in membrane permeability of drug-resistant Staphylococcus aureus with cationic particles of nano‑silver.

The increasing drug-resistance pathogens among gram-positive bacterial species are becoming a major health concern nowadays. Over the past few years, the bactericidal efficacy of nano‑silver against some drug-resistant gram-positive bacteria has been established, however further investigation is needed to determine whether nano‑silver could be an option for the treatment of drug-resistant gram-positive microbial infections. The purpose of the present study was to determine the bactericidal efficacy of nano‑silver with its membrane destroying property using drug-resistant Staphylococcus aureus MTCC 3160.

Bactericidal assessment of nano-silver on emerging and re-emerging human pathogens.

With the threat of the growing number of bacteria resistant to antibiotics, the re-emergence of previously deadly infections and the emergence of new infections, there is an urgent need for novel therapeutic agent. Silver in the nano form, which is being used increasingly as antibacterial agents, may extend its antibacterial application to emerging and re-emerging multidrug-resistant pathogens, the main cause of nosocomial diseases worldwide. In the present study, a completely bottom up method to prepare green nano-silver was used.