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  • In Jour Smart Sensing And Intelligent Systems

 

Original Paper | 04-September-2018

The Effect of Silver Nanoparticles on Listeria monocytogenes PCM2191 Peptidoglycan Metabolism and Cell Permeability

Listeria monocytogenes is Gram-positive bacterial pathogen, a causative agent of food poisoning and systemic disease – listeriosis. This species is still susceptible to several conventionally used antibiotics but an increase in its resistance has been reported. For this reason the search for new, alternative therapies is an urgent task. Silver nanoparticles seem to be the promising antibacterial agent. Minimal inhibitory concentration of silver nanoparticles was determined. Sublethal

KATARZYNA MARKOWSKA, ANNA MARIA GRUDNIAK, BARBARA MILCZAREK, KRYSTYNA IZABELLA WOLSKA

Polish Journal of Microbiology, Volume 67 , ISSUE 3, 315–320

Article | 01-March-2012

Humidity sensor based on silver nanoparticles embedded in a polymeric coating

In this work, it is presented a novel optical fiber humidity sensor based on silver nanoparticle-loaded polymeric coatings built onto an optical fiber core. The polymeric film was fabricated using the Layer-by-Layer assembly technique. The silver nanoparticles (Ag NPs) were characterized using transmission electron microscopy (TEM and UV-VIS spectroscopy. A Localized Surface Plasmon Resonance (LSPR) attenuation band is observed when the thickness of the coating increases, and showed a very good

Pedro J. Rivero, Aitor Urrutia, Javier Goicoechea, Francisco J. Arregui, Ignacio R. Matías

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 1, 71–83

original-paper | 27-March-2019

Mycosynthesis of Size-Controlled Silver Nanoparticles through Optimization of Process Variables by Response Surface Methodology

of sterilized distilled water and incubated at 25°C with shaking (120 rpm) for 72 hours (Majeed et al. 2016). Extracellular biosynthesis of silver nanoparticles. Cell-free extract (CFE) was prepared by filtering out the biomass and was then added to (1 mM) silver nitrate with 1:1 ratio. The mixture of CFE and AgNO3 was incubated at 25°C with 120 rpm until the formation of AgNPs was indicated by the change in color from colorless to brown. The experiments were performed in triplicates with a

ASMA SHAHZAD, MEHWISH IQTEDAR, HAMID SAEED, SYED ZAJIF HUSSAIN, ASMA CHAUDHARY, ROHEENA ABDULLAH, AFSHAN KALEEM

Polish Journal of Microbiology, Volume 68 , ISSUE 1, 35–42

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