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1.
Recent Progress and Applications of Thermal Lens Spectrometry and Photothermal Beam Deflection Techniques in Chemical Analysis and Materials' Characterization
Mladen Franko, 2023, invited lecture at foreign university

Abstract: Initially the theoretical background relevant to recent developments of thermal lens spectrometry (TLS) which include TLS detection in liquid chromatography and in microfluidic flow injection analysis (μFIA) and to non-contact and non-destructive characterization of composite materials by beam deflection spectrometry (BDS) is presented. The advantages and basic characteristics of the TLS and BDS techniques are illustrated by presenting applications such as the determination of free bilirubin in endothelial cells by HPLC-TLS, studies of diffusion in Taylor-type microfluidic flows by thermal lens microscopy (TLM), μFIA-TLM detection of microcystin-LR and Cr(VI) in waters, and by the dept profiling of multi-layered coatings of orthopaedic implants. In the main part of the presentation the results of joint MU-UNG research are presented with emphasis on BDS and TLS characterisation of biocomposite materials from cellulose and chitosan or keratin with added Ag nanoparticles, sporopollenin capsules or antibiotics. The focus is on BDS determination of thermal parameters including thermal diffusivity and related properties relevant for medical applications, such as porosity and surface roughness, as well as on the TLS detection of Ag and other nanoparticles applied in studies of nanoparticle leaching from biocomposites.
Keywords: Optotermična spektrometrija, TLS, BDS, kemijska analiza, karakterizacija materialov, biokompoziti
Published in RUNG: 23.10.2023; Views: 726; Downloads: 1
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2.
Ni več treba tipati v temi! : Kako lahko z različnimi vrstami svetlobe opazujemo očem nevidni svet okoli nas.
Iztok Arčon, 2020, other performed works

Abstract: Vidna svetloba, ki jo lahko zaznajo naše oči, predstavlja le droben delček v širokem spektru različnih vrst svetlobe, ki jih ponuja narava. V predavanju si bomo ogledali, kako so velika znanstvena odkritja o nenavadnih lastnostih svetlobe odprla pogled neposredno v čarobni svet atomov, omogočila razvoj sodobnih merskih tehnologij in s tem izjemen preboj v razvoju novih tehnološko zanimivih materialov.
Keywords: svetloba, rentgenske spektroskopije, karakterizacija materialov
Published in RUNG: 21.01.2021; Views: 2513; Downloads: 0
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