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Physical Chemistry

11 February 2022
Europe/Riga timezone

Session

Physical Chemistry and Analytical Chemistry. Joint session

11 Feb 2022, 10:30

Description

Fizikālās ķīmijas un Analītiskās ķīmijas kopējā sēde

Presentation materials

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  1. 22. Opening
    Agris Berzins
    11/02/2022, 10:30
  2. 1. A new frontier for non-destructive spatial analysis of pharmaceutical solid dosage forms: micro-spatially/spatially offset low-frequency Raman spectroscopy
    Kārlis Bērziņš (University of Otago, Department of Chemistry)
    11/02/2022, 10:40
    Fizikālās ķīmijas un Analītiskās ķīmijas kopējā sēde
    Oral presentation

    A non-intrusive multi-dimensional analysis method can be useful in many pharmaceutical applications, especially for the analysis of solid dosage forms, where spatial information using conventional analytical methods can typically only be obtained after destructive manipulations with samples prior to or during the measurements. This study demonstrated a new combination method of low-frequency...

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  3. 23. Application of Wastewater – Based Epidemiology for Tracking Human Exposure to Deoxynivalenol and Enniatins
    Zane Berzina
    11/02/2022, 10:55
  4. 6. Experimental and theoretical study of free volume in silicon-functionalized ionic liquids
    Dr Eduards Bakis
    11/02/2022, 11:10
    Fizikālās ķīmijas un Analītiskās ķīmijas kopējā sēde
    Oral presentation

    Due to the dominating Coulombic interactions, packing of ions in ionic liquids (ILs) solely depends on ion shape and size. The free volume in ILs is thus generally smaller than in molecular liquids. The low volatility and structural tuneability of ILs make them attractive for applications involving gaseous solutes. Greater free volume can entropically contribute to absorption of gases and, for...

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  5. 24. Bioactivity Enhancement of Peo Coatings by Introduction of Amorphous Calcium Phosphate Particles
    Vladlens Grebņevs (Faculty of Chemistry, Department of Analytical Chemistry)
    11/02/2022, 11:25
  6. 11. Exploring aspartic protease inhibitor binding to design selective antimalarials
    Raitis Bobrovs
    11/02/2022, 11:40
    Fizikālās ķīmijas un Analītiskās ķīmijas kopējā sēde
    Oral presentation

    Selectivity is a major issue in the development of drugs targeting pathogen aspartic proteases. Here we explore the selectivity determining factors by studying specifically designed malaria aspartic protease (plasmepsin) open-flap inhibitors. 2-Aminoquinazolin-4(3H)-one based plasmepsin inhibitors with various flap pocket substituents are synthesized and their potencies against several...

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  7. 25. Qualitative Fingerprinting of Psychoactive Pharmaceuticals, Illicit Drugs, and Related Human Metabolites in Wastewater During the Covid-19 Pandemic in Riga, Latvia
    Ingus Perkons
    11/02/2022, 11:55
  8. 8. VITAMIN B12 BLOOD LEVEL VARIATION WITH THE AGE OF PATIENTS
    Dr Agris Auce (Institute of Chemical Physics, University of Latvia), Ms Agnese Miķelsone (Riga Stradins University)
    11/02/2022, 12:10
    Fizikālās ķīmijas un Analītiskās ķīmijas kopējā sēde
    Oral presentation

    Introduction. It has been shown that determination of reference intervals (RI) using accumulated general patient data can be a cost effective alternative [3] to special research following C28-A3 guidelines[1].
    There are some reports on B12 RI for different ethnicities [2]. There is little and somewhat contradictory information about the B12 RI for different age groups and sexes. In this work...

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