Naslov
Study of Influence of Laser Ablation Synthesized Silver Nanoparticles on E. Coli Bacteria

Autori
Krce, Lucija ; Šprung, Matilda ; Krstulović, Nikša ; Aviani, Ivica

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
22nd International Scientific Meeting on Vacuum Science and technique / Janez Kovač, Gregor Jakša - Ljubljana : Infokart, 2015, 33-33

ISBN
978-961-92989-7-8

Skup
22nd International Scientific Meeting on Vacuum Science and technique

Mjesto i datum
Osilnica, Slovenija, 21.05.2015. - 22.05.2015

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
Silver nanoparticles ; E. Coli ; Laser synthesis of nanoparticles

Sažetak
Laser ablation in liquids is a very convenient technique for production of nanoparticles free of chemical byproducts. Silver nanoparticles made in this way could show antimicrobial activity. For the purpose of this work we produced colloidal silver nanoparticles in water using a 1064 nm ns Nd:YAG laser at 100 mJ output energy and 5 Hz repetition rate. Size- distribution of nanoparticles was obtained from atomic force microscopy (AFM) images. We found the average diameter of silver nanoparticles to be around 10 nm with a relatively narrow size distribution. Obtained colloidal solution is stable on a scale of few months, which implies that nanoparticles are well dispersed and/or charged. We use this colloidal solution to investigate antimicrobial effects of silver nanoparticles on different strains of E. coli bacteria where the changes on bacterial membrane are monitored by AFM. Here we present our preliminary results.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA