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1.
TLS Spectrometry & Detection in Liquid Chromatography, FIA and Microfluidic Systems
Mladen Franko, invited lecture at foreign university

Abstract: This presentation provides theoretical backround for thermal lens spectrometry (TLS) and TLS microscopy (TLM) and describes the basic instrumentation for TLS and TLM measurements. Presented applications of TLS and TLM include detection in HPLC (carotenoids, bilirubin, biliverdin), FIA (alergens, Ag, Ag+, phytoplankton and cyanobacterial pigments, organophospate pesticides) and TLM detection in microfluidic systems (Cr(VI), microcystin, NGAL, study of diffusion proceses)
Found in: ključnih besedah
Summary of found: ...FIA (alergens, Ag, Ag+, phytoplankton and cyanobacterial pigments, organophospate pesticides) and TLM detection in microfluidic...
Keywords: Spekrometry TLS, TLM, HPLC, FIA, microfluidics, bilirubin, biliverdin, carotenoids, alergens, mikrocystin, pigments, organophosphate pesticides, NGAL, Ag, Cr(VI), diffusion
Published: 16.09.2016; Views: 3847; Downloads: 0
.pdf Fulltext (35,40 MB)

2.
3.
Taming the topology of calix[4]arene-based 2D-covalent organic frameworks
Mark Anthony Olson, Ramesh Jagannathan, Maria Baias, Sudhir Kumar Sharma, Sabu Varghese, Nawavi Naleem, Felipe Gándara, Tina Škorjanc, Dinesh Shetty, Bikash Garai, 2021, original scientific article

Abstract: A bowl-shaped calix[4]arene with its exciting host–guest chemistry is a versatile supramolecular building block for the synthesis of distinct coordination cages or metal–organic frameworks. However, its utility in the synthesis of crystalline covalent organic frameworks (COFs) remains challenging, presumably due to its conformational flexibility. Here, we report the synthesis of a periodic 2D extended organic network of calix[4]arenes joined by a linear benzidine linker via dynamic imine bonds. By tuning the interaction among neighboring calixarene units through varying the concentration in the reaction mixture, we show the selective formation of interpenetrated (CX4-BD-1) and non-interpenetrated (CX4-BD-2) frameworks. The cone-shaped calixarene moiety in the structural backbone allows for the interweaving of two neighboring layers in CX4-BD-1, making it a unique example of interpenetrated 2D layers. Due to the high negative surface charge from calixarene units, both COFs have shown high performance in charge-selective dye removal and an exceptional selectivity for cationic dyes irrespective of their molecular size. The charge distribution of the COFs and the resulting selectivity for the cationic dyes were further investigated using computational methods.
Found in: ključnih besedah
Summary of found: ...dyes and pigments, covalent organic frameworks, adsorption, layers, chemical structure...
Keywords: dyes and pigments, covalent organic frameworks, adsorption, layers, chemical structure
Published: 16.03.2021; Views: 1100; Downloads: 0
.pdf Fulltext (7,57 MB)

4.
Identification of environmental stress conditions by comparative analysis of peroxidase activity in betulla pendula and pinus sp.
Kenan Kapetanović, Hena Zukić, Miroslav Štrbac, Darian Rampih, Katarina Erker, Nina Žvab-Pernat, Patrik Cingerli, 2021, treatise, preliminary study, study

Abstract: The study investigated the possibility of developing a biomarker to evaluate the stress level in trees. The analyses have been performed on tree samples appertaining to two different tree species and collected at two locations in Slovenia. The presence and the activity of the proteins – peroxidases was measured by the qualitative method of the agarose gel electrophoresis and the quantitative method of spectrometry. It was found out that by measuring the presence of the biomarkers and pigments in the tree samples we can determine the stress levels and thus the health status of trees.
Found in: ključnih besedah
Summary of found: ...measuring the presence of the biomarkers and pigments in the tree samples we can determine...
Keywords: biomarkers, environmental stress, pigments, peroxidase
Published: 29.09.2021; Views: 730; Downloads: 0
.pdf Fulltext (467,93 KB)

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