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Thermal lens microscopy : characterization and optimization
Mingqiang Liu, Mladen Franko, 2014, published scientific conference contribution

Keywords: mikroskopija, TLS, karakterizacija, optimizacija
Published in RUNG: 16.06.2016; Views: 4859; Downloads: 144
URL Link to full text

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Microfluidic flow injection thermal lens microscopy for high throughput and sensitive analysis of sub-μL samples
Mingqiang Liu, Sara Malovrh, Mladen Franko, 2016, original scientific article

Abstract: An analytical method combining microfluidic flow injection analysis (μFIA) with thermal lens microscopy (TLM) was developed for high throughput and sensitive analysis of sub-μL samples. Performance of the μFIA-TLM was validated for detection of hexavalent chromium [Cr(VI)] in water samples. At different sample injection volumes, detection positions and flow rates, influences of the reaction time and the diffusion of Cr-diphenylcarbazone (DPCO) complexes on the μFIA-TLM signal were investigated. Photodegradation of the Cr-DPCO complex was clearly observed when the absorbed photons per Cr-DPCO is above 1600. After optimization of the TLM with respect to rapid flows (up to 10 cm/s), we achieved a limit of detection of 0.6 ng/mL for Cr(VI) in a 50-μm deep channel. Impacts of interfering ions [V(V), Mo(VI), Fe(III)] on the Cr(VI) determination were found to be small. Cr(VI) in real samples from a cement factory were determined and found in good agreement with results of spectrophotometry. This μFIA-TLM shows advantages over its conventional counterpart, such as eliminating additional sample conditioning, reducing over 100 times the sample consumption to sub-μL and over 10 times the time required for one sample injection to a few seconds (up to 20 samples/min). The optimized μFIA-TLM setup can be applied for fast and sensitive analysis of nonfluoresent sub-μL samples in rapidly flowing mediums.
Keywords: Spektrometrija TLS, mikroskopija TLM, mikrofluidika, krom (VI)
Published in RUNG: 01.06.2016; Views: 5339; Downloads: 271
.pdf Full text (828,33 KB)

7.
Meritve
Narvika Bovcon, Vanja Mervič, Aleš Vaupotič, 2015, artistic work

Abstract: Žanr: umetniški video. Dimenzije: UHD (3840 × 2160 slikovnih točk, ležeče, 25 sličic/sek.). Trajanje: 5 min. 38 sek. Format: .s4ud (SAMSUNG UHD TV), neskončna zanka predvajanja 5 datotek. 2015. Produkcija: Univerza v Novi Gorici, projekt SUNGREEN. Videi so bili narejeni z elektronskim vrstičnim mikroskopom v Centru za raziskave materialov na Univerzi v Novi Gorici v okviru Evropskega projekta SUNGREEN. Operater mikroskopa in priprava vzorcev: doc. dr. Mattia Fanetti. Uporabljeni so bili vzorci materialov iz raziskav doc. dr. Saima Emina ter vzorci nanožic dr. Silvie Rubini in dr. Valentine Zannier (IOM-CNR, Laboratorij TASC). Avtorji projekta se zahvaljujejo prof. dr. Matjažu Valantu in rektorju Univerze v Novi Gorici prof. dr. Danilu Zavrtaniku.
Keywords: tehniška slika, novomedijska umetnost, UHD video, materiali, mikroskopija, vrstični elektronski mikroskop, SEM
Published in RUNG: 12.05.2016; Views: 6264; Downloads: 462
.zip File (5,39 GB)

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Bakrov klorid – 1 μm
Narvika Bovcon, Aleš Vaupotič, 2014, artistic work

Abstract: Narvika Bovcon, Aleš Vaupotič, v sodelovanju z: Saim Emin (priprava vzorcev), Mattia Fanetti (operater vrstičnega elektronskega mikroskopa). Digitalna grafika, steklo, okvir, dimenzije: 65 × 56 cm (ležeče), črno-belo. 2014. Produkcija: Univerza v Novi Gorici, projekt SUNGREEN.
Keywords: tehniška slika, novomedijska umetnost, materiali, mikroskopija, vrstični elektronski mikroskop, SEM
Published in RUNG: 12.05.2016; Views: 4764; Downloads: 24
.zip File (11,55 MB)

9.
Bakrov klorid – 10 nm
Narvika Bovcon, Aleš Vaupotič, 2014, artistic work

Abstract: Narvika Bovcon, Aleš Vaupotič, v sodelovanju z: Saim Emin (priprava vzorcev), Mattia Fanetti (operater vrstičnega elektronskega mikroskopa). Digitalna grafika, steklo, okvir, dimenzije: 65 × 56 cm (ležeče), črno-belo. 2014. Produkcija: Univerza v Novi Gorici, projekt SUNGREEN.
Keywords: tehniška slika, novomedijska umetnost, materiali, mikroskopija, vrstični elektronski mikroskop, SEM
Published in RUNG: 12.05.2016; Views: 5149; Downloads: 20
.zip File (11,80 MB)

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Bakrov klorid/ – 100 μm
Narvika Bovcon, Aleš Vaupotič, 2014, artistic work

Abstract: Narvika Bovcon, Aleš Vaupotič, v sodelovanju z: Saim Emin (priprava vzorcev), Mattia Fanetti (operater vrstičnega elektronskega mikroskopa). Digitalna grafika, steklo, okvir, dimenzije: 65 × 56 cm (ležeče), črno-belo. 2014. Produkcija: Univerza v Novi Gorici, projekt SUNGREEN.
Keywords: tehniška slika, novomedijska umetnost, materiali, mikroskopija, vrstični elektronski mikroskop, SEM
Published in RUNG: 12.05.2016; Views: 4833; Downloads: 25
.zip File (15,23 MB)

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