21. Vpliv barv na dojemanje in doživljanjeInga Mijatović, 2017, magistrsko delo Opis: V magistrski nalogi se osredotočamo predvsem na dejavnike prednostne izbire barve in
simpatije za določeno barvo ter jih skušamo povezati z uporabo funkcionalne barve v
vsakdanjem življenju. Skozi primerjalno analizo uporabe barv v različnih okoliščinah in uporabe barv v zdravilske namene potrdimo tezo: pomembnost individualnega pristopa k namenski uporabi barv. Skozi teoretično vrednost in asociativne konotacije barvam, ki jih v praktičnem delu naloge podamo obiskovalcem, spodbujamo zaznavo občutenja posameznika za določeno barvo. Večino ustaljenih praks uporabe barv je posplošenih na množično uporabo, pri tem pa se ne upošteva predispozicije posameznika. Nujno je obravnavati posameznikovo prednostno izbiro barv, asociativno konotacijo, psihofizično stanje in njegove želje ter potrebe pri izdelavi osebnostne barvne shematike. Le na tak način lahko zagotovimo celostno obravnavo in postopoma vzpostavimo barvno ravnovesje posameznika. Individualni pristop bi nedvomno pripomogel k večji in bolj namenski uporabi barve pri posameznikih v vsakdanjem življenju.
Ključne besede: barve, barvna predispozicija, individualni pristop, pozitivni učinki barv
Objavljeno v RUNG: 12.01.2018; Ogledov: 4740; Prenosov: 195
 Celotno besedilo (26,48 MB)
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23. Development of Slovenian linguistic terminology in Slovenian grammars in the 18th and 19th centuriesMitja Trojar, 2017, doktorska disertacija Opis: The dissertation describes the problems of metalanguage and peculiarities of linguistic terminology. Special attention is paid to autonymy, which plays a central role in metalanguage.
The dissertation presents the life and work of Eugen Wüster, the founder of traditional terminology, and the principal tenets of his approach to terminology. Traditional terminology is critically evaluated; we show its inability to describe linguistic terminology: it lacks a coherent theoretical apparatus enabling description, its semantic theory is based on classical definition, which in many cases cannot be formulated, which means that traditional terminology is also unable to account for translation of terms and comparison of concepts across different concept systems.
A sample of 50 basic linguistic terms from 19 grammars from the 18th, 19th and 20th centuries was used to examine the development of Slovenian linguistic terminology and to ascertain who played the most important role in it. The research shows that Anton Janežič made by far the most important contribution to Slovenian linguistic terminology: he introduced 27 terms (in both his 1854 and 1863 grammars), which represents 54% of the 50 terms retained by Breznik.
The dissertation also contains some remarks on the semantics of linguistic terms.
The scientific relevance of the thesis lies in its critical evaluation of traditional terminology; the results show that traditional terminology faces a number of theoretical problems; a new theory of terminology is needed, one that will be able to account for translation of terms as well as for diachronic conceptual change. The scientific relevance of results related to the second research goal (determining the contributions of individual grammarians to the development of Slovenian linguistic terminology) consists in proposing a model of research that could be used in order to measure the influence of a specific author on the introduction of new terms.
Ključne besede: metalanguage, linguistic terminology, history of terminology, development of linguistic terminology, diachrony
Objavljeno v RUNG: 27.11.2017; Ogledov: 7479; Prenosov: 371
Celotno besedilo (4,06 MB) |
24. NOVEL APPROACHES FOR THE DETERMINATION OF BIOGENIC AMINES IN FOOD SAMPLESMladen Franko, Mojca Žorž, Mitja Martelanc, Sara Budal, 2017, izvirni znanstveni članek Opis: In this work, new analytical approaches for determination of biogenic amines in wines were developed.
For the first time, we studied the derivatization of BAs in wines with naphthalene- 2,3-dicarboxaldehyde (NDA) and with dabsyl chloride (DBS) and analysis of derivatized BAs by HPLC coupled to fluorescence (HPLC-NDA-FL) and thermal lens spectrometry (HPLC-DBS-TLS) detectors. The sensitivity of the two methods (LODs HPLC-NDA-FL in the range 27-73 μg/L; LODs HPLC-DBS-TLS in the range 3.4-11 μg/L) was higher than that of the official method for biogenic amines in wines, OIV-MA-AS315-18 (60-77 μg/L). For its best performances, the HPLC-DBS-TLS technique was applied to the analysis of putrescine, cadaverine, histamine and tyramine in two white wine samples. Additionally, exploiting the Berthelot reaction, the TLS fast screening of biogenic amines in wines, following the release of ammonia by transglutaminase, was also proposed. This approach allowed us to determine total biogenic amount content in concentrations below 0.1 mg/L, expressed as equivalents of histamine.
Ključne besede: biogenic amines, NDA, liquid chromatography, TLS, fluorescence, wine
Objavljeno v RUNG: 02.11.2017; Ogledov: 4450; Prenosov: 270
Celotno besedilo (441,06 KB) |
25. Identification of stress biomarkers for drought and increased soil temperature in seedlings of European beech (Fagus sylvatica L.)Milica Popovič, Marco Gregori, Dominik Vodnik, Mitja Ferlan, Tanja Mrak, Ines Straus, Natahan McDowell, Hojka Kraigher, Ario De Marco, 2017, izvirni znanstveni članek Ključne besede: Drought biomarkers, peroxidases, scavanging activity
Objavljeno v RUNG: 23.10.2017; Ogledov: 3934; Prenosov: 0
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26. Bilirubin is an Endogenous Antioxidant in Human Vascular Endothelial CellsLovro Žiberna, Mitja Martelanc, Mladen Franko, Sabina Passamonti, 2016, izvirni znanstveni članek Opis: Bilirubin is a standard serum biomarker of liver function. Inexplicably, it is inversely correlated with
cardiovascular disease risk. Given the role of endothelial dysfunction in originating cardiovascular
diseases, direct analysis of bilirubin in the vascular endothelium would shed light on these relationships.
Hence, we used high-performance liquid chromatography coupled with thermal lens spectrometric
detection and diode array detection for the determination of endogenous cellular IXα-bilirubin. To
confirm the isomer IXα-bilirubin, we used ultra-performance liquid chromatography coupled with a
high-resolution mass spectrometer using an electrospray ionization source, as well as tandem mass
spectrometric detection. We measured bilirubin in both arterial and venous rat endothelium (0.9–1.5
pmol mg−1 protein). In the human endothelial Ea.hy926 cell line, we demonstrated that intracellular
bilirubin (3–5 pmol mg−1 protein) could be modulated by either extracellular bilirubin uptake, or by
up-regulation of heme oxygenase-1, a cellular enzyme related to endogenous bilirubin synthesis.
Moreover, we determined intracellular antioxidant activity by bilirubin, with EC50 = 11.4 ± 0.2 nM, in
the range of reported values of free serum bilirubin (8.5–13.1 nM). Biliverdin showed similar antioxidant
properties as bilirubin. We infer from these observations that intra-endothelial bilirubin oscillates, and
may thus be a dynamic factor of the endothelial function.
Ključne besede: Antioxidants, bilirubin, endothelial cells
Objavljeno v RUNG: 07.07.2016; Ogledov: 5002; Prenosov: 406
Celotno besedilo (585,86 KB)
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27. Highly Sensitive Determination of Pyoverdine in Cloud Water by HPLC-Thermal Lens SpectrometryLeja Goljat, Mitja Martelanc, Virginie Vinatier, Anne-Marie Delort, Mladen Franko, 2016, objavljeni povzetek znanstvenega prispevka na konferenci Opis: New method for pyoverdine and Fe(III)-pyoverdine detection was developed. Two isomers of pyoverdine and two isomers of Fe(III)-pyoverdine were separated isocraticaly on reversed-phase (RP)-C18 chromatograhic column and detected by DAD, FLD and TLS. HPLC-TLS method enables separation and determination of pyoverdine and Fe(III)-pyoverdine in a single run and excels in superior sensitivities when compared to conventional HPLC-DAD system.
Ključne besede: Pyoverdine, Fe(III)-pyoverdine, cloud water, high-performance liquid chromatography, thermal lens spectrometry
Objavljeno v RUNG: 04.07.2016; Ogledov: 5594; Prenosov: 0 |
28. Application of high-performance liquid chromatography combined with ultra-sensitive thermal lens spectrometric detection for simultaneous biliverdin and bilirubin assessment at trace levels in human serumMitja Martelanc, Lovro Žiberna, Sabina Passamonti, Mladen Franko, 2016, izvirni znanstveni članek Opis: We present the applicability of a new ultra sensitive analytical method for the simultaneous determination of biliverdin and bilirubin in human serum. The method comprises isocratic reversed-phase(RP) C18 high-performance liquid chromatography (HPLC) and thermal lens spectrometric detection (TLS)based on excitation by a krypton laser emission line at 407 nm. This method enables the separation of IX-α biliverdin and IX-α bilirubin in 11 min. with limit of detection (LOD) and limit of quantitation (LOQ) for
biliverdin of 1.2 nM and 3 nM, and 1nM and 2.8 nM for bilirubin,respectively.In addition, a step-gradient elution was set up, by changing the mobile phase composition, in order to further enhance the sensitivity for bilirubin determination with LOD and LOQ of 0.5 nM and 1.5 nM, respectively. In parallel, an isocraticHPLC-DAD method was developed for benchmarking against HPLC-TLS methods. The LOD
and LOQ forbiliverdin were 6 nM and 18 nM, and 2.5 nM and 8nM for bilirubin,respectively. Additionally, both isocratic methods were applied for measuring biliverdin and free bilirubin in human serum samples (from 2 male and 2 female healthy donors). Combining isocratic HPLC method with TLS
detector was crucial for first ever biliverdin determination in serum together with simultaneous free bilirubin determination. We showed for the first time the concentration ratio of free bilirubin versus unbound biliverdin in human serum samples.
Ključne besede: Bilirubin, biliverdin, serum, HPLC, TLS
Objavljeno v RUNG: 29.03.2016; Ogledov: 5562; Prenosov: 0
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