Repozitorij Univerze v Novi Gorici

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Photoelectrochemical Water Splitting Studies with nanostructured n and p-type semiconductor electrodes
Matjaz Valant, Saim Emin, 2017, objavljeni povzetek znanstvenega prispevka na konferenci (vabljeno predavanje)

Opis: Photoelectrochemical water splitting has been demonstrated as a promising way to efficiently split water. Currently, solar-to-hydrogen conversion efficiency using state-of-the-art material combinations in PEC system is in the order of 7%. Fabrication of nanostructured materials with unique morphologies and compositions is an important factor to fully utilize the possibilities in this field. We will present different strategies for the preparation of nanostructured metal oxide thin films by using electrodeposition and wet-chemistry techniques. Focus will be given on the preparation of ZnO and CuO thin films where intermediate phases like Zn(OH)8Cl2.H2O and CuX (X=Br, Cl) were electrodeposited. Wet-chemistry synthesis techniques will be also explored for the preparation of nanostructured WO3 and a-Fe2O3 thin films. Especially, the hot-pyrolysis technique for the preparation of colloidal W and Fe/Fe-oxide nanoparticles will be shown. Spin-coating of W and Fe/Fe-oxide NPs onto optically conductive substrates and subsequent heat treatment of the obtained films was found to be a convenient way for the preparation of nanostructured WO3 and a-Fe2O3 thin films.
Ključne besede: photoelectrochemical water splitting, colloidal nanoparticles, semiconductor
Objavljeno: 24.10.2017; Ogledov: 132; Prenosov: 0
.pdf Polno besedilo (1,47 MB)

A Reverse Shock and Unusual Radio Properties in GRB 160625B
Andreja Gomboc, 2017, izvirni znanstveni članek

Ključne besede: astronomija, izbruhi sevanja gama
Objavljeno: 20.10.2017; Ogledov: 127; Prenosov: 0
.pdf Polno besedilo (2,15 MB)

A Mechanistic Study of Magnesium Sulfur Batteries
Ana Robba, Alen Vižintin, Jan Bitenc, Gregor Mali, Iztok Arčon, Matjaž Kavčič, Matjaž Žitnik, Klemen Bučar, Giuliana Aquilanti, Charlotte Martineau-Corcos, Anna Randon-Vitanova, Robert Dominko, 2017, izvirni znanstveni članek

Opis: Magnesium sulfur batteries are considered as attractive energy storage devices due to the abundance of electrochemically active materials and high theoretical energy density. Here we report the mechanism of a Mg-S battery operation, which was studied in the presence of simple and commercially available salts dissolved in a mixture of glymes. The electrolyte offers high sulfur conversion into MgS in the first discharge with low polarization. The electrochemical conversion of sulfur with magnesium proceeds through two well-defined plateaus, which correspond to the equilibrium between sulfur and polysulfides (high-voltage plateau) and polysulfides and MgS (low-voltage plateau). As shown by XANES, RIXS and NMR studies, the end discharge phase involves MgS with Mg atoms in a tetrahedral environment resembling the wurtzite structure, while chemically synthesized MgS crystalizes in the rock-salt structure with octahedral coordination of magnesium.
Ključne besede: magnesium, sulfur, rechargeable batteries, XAS, NMR
Objavljeno: 19.10.2017; Ogledov: 122; Prenosov: 0
.pdf Polno besedilo (1,48 MB)

Whole-cell biopanning with a synthetic phage display library of nanobodies enabled the recovery of follicle-stimulating hormone receptor inhibitors
Ronan Crepin, Gianluca Veggiani, Selma Djender, Anne Beugnet, Francois Planeix, Christophe Pichon, Sandrine Moutel, Sebastian Amigorena, Franck Pérez, Nicolae Ghinea, Ario De Marco, 2017, izvirni znanstveni članek

Opis: Antibodies are essential reagents that are increasingly used in diagnostics and therapy. Their specificity and capacity to recognize their native antigen are critical characteristics for their in vivo application. Follicle-stimulating hormone receptor is a GPCR protein regulating ovarian follicular maturation and spermatogenesis. Recently, its potentiality as a cancer biomarker has been demonstrated but no antibody suitable for in vivo tumor targeting and treatment has been characterized so far. In this paper we describe the first successful attempt to recover recombinant antibodies against the FSHR and that: i) are directly panned from a pre-immune library using whole cells expressing the target receptor at their surface; ii) show inhibitory activity towards the FSH-induced cAMP accumulation; iii) do not share the same epitope with the natural binder FSH; iv) can be produced inexpensively as mono- or bivalent functional molecules in the bacterial cytoplasm. We expect that the proposed biopanning strategy will be profitable to identify useful functional antibodies for further members of the GPCR class.
Ključne besede: nanobodies, GPCR proteins, FSHR, panning, pre-immune antibody library
Objavljeno: 19.10.2017; Ogledov: 116; Prenosov: 0
.pdf Polno besedilo (982,69 KB)

Reducibility in hypergroups (crisp and fuzzy case)
Irina Cristea, 2015, objavljeni znanstveni prispevek na konferenci

Ključne besede: fundamental relations, reduced hypergroup, fuzzy reduced hypergroup, fuzzy grade
Objavljeno: 18.10.2017; Ogledov: 137; Prenosov: 0
.pdf Polno besedilo (300,72 KB)

Slovenian questions with short wh-movement and the low periphery
Petra Mišmaš, 2017, izvirni znanstveni članek

Ključne besede: wh-movement, wh-questions, topic phrase, focus phrase, wh-phrase, low periphery Slovenian, syntax, cartography
Objavljeno: 18.10.2017; Ogledov: 109; Prenosov: 0
.pdf Polno besedilo (750,87 KB)

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