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3. Zgodnje slovenske pravljičarke: gradivo za seminar Slovenska in evropska literarna ter ljudska dediščina – pravljice v slovenskem vzgojno-izobraževalnem sistemu od vrtca do srednje šoleKatja Mihurko Poniž, other educational material Keywords: Ljudmila Prunk, Marica Gregorič Stepančič, Lea Fatur, Ilka Vašte, Manica Koman, Sonja Sever, Marija Jezernik, Marija Wirgler, Anka Nikolič, Marijana Grasellini Prosenc
Published: 15.03.2019; Views: 64; Downloads: 1
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6. On spin description of water-biopolymer interactions: theory and experiment of reentrant order-disorder transition.Artem V. Badasyan, invited lecture at foreign university Abstract: The experimental studies of biopolymer conformations have reached an unprecedented level of
detailization during the past decade and allow now to study single molecules in vivo [1]. Processing of
experimental data essentially relies on theoretical approaches to conformational transitions in
biopolymers [2]. However, the models that are currently used, originate from the early 1960's and
contain several unjustified assumptions, widely accepted at that time. Thus, the view on the
conformational transitions in the polypeptides as a two-state process has very limited applicability
because the all-or-none transition mechanism takes place only in short polypeptides with sizes
comparable to the spatial correlation length; the original formulation of Zimm-Bragg model is
phenomenological and does not allow for a microscopic model for water; the implicit consideration of
the water-polypeptide interactions through the ansatz about the quadratic dependence of free energy
difference on temperature can only be justified through the assumption of an ideal gas with a constant
heat capacity. To get rid of these deficiencies, we augment the Hamiltonian formulation [3] of the
Zimm-Bragg model [4] with the term describing the water-polypeptide interactions [5]. The analytical
solution of the model results in a formula, ready to be fit to Circular Dichroism (CD) data for both heat
and cold denaturation. On the example of several sets of experimental data we show, that our formula
results in a significantly better fit, as compared to the existing approaches. Moreover, the application
of our procedure allows to compare the strengths of inter- and intra-molecular H-bonds, an
information, inaccessible before.
Keywords: helix-coil transition, water-polypeptide interactions
Published: 13.03.2019; Views: 70; Downloads: 0
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9. Pogovor o zborniku Goriški izobraženci skozi zgodovinoŽeljko Oset, other performed works Keywords: Univerza v Novi Gorici, Mestna občina Nova Gorica, izobraženci, znanost, kultura, Gorica, Marija Perpar, Anton Brecelj, Valentin Stanič, Franjo Rojec, goriška judovska skupnost, Bodumil Vošnjak, goriški zgodovinarji, Miha Zega, Pavlina Pajk
Published: 08.03.2019; Views: 117; Downloads: 0
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10. Investigation of Aerosol Properties and Structures in Two Representative Meteorological Situations over the Vipava Valley Using Polarization Raman LiDARLuka Drinovec, Griša Močnik, William Eichinger, Samo Stanič, Longlong Wang, Asta Gregorič, 2019, original scientific article Abstract: Vipava valley in Slovenia is a representative hot-spot for complex mixtures of different aerosol types of both anthropogenic and natural origin. Aerosol loading distributions and optical properties were investigated using a two-wavelength polarization Raman LiDAR, which provided extinction coefficient, backscatter coefficient, depolarization ratio, backscatter Ångström exponent and LiDAR ratio profiles. Two different representative meteorological situations were investigated to explore the possibility of identifying aerosol types present in the valley. In the first case, we investigated the effect of strong downslope (Bora) wind on aerosol structures and characteristics. In addition to observing Kelvin–Helmholtz instability above the valley, at the height of the adjacent mountain ridge, we found new evidence for Bora-induced processes which inject soil dust aerosols into the free troposphere up to twice the height of the planetary boundary layer (PBL). In the second case, we investigated aerosol properties and distributions in stable weather conditions. From the observed stratified vertical aerosol structure and specific optical properties of different layers we identified predominant aerosol types in these layers.
Keywords: aerosol structures, aerosol characterization, polarization Raman LiDAR, Vipava valley
Published: 08.03.2019; Views: 111; Downloads: 3
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