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11.
Cortisol claws concentrations in dogs from birth to 60 days of age
Jasmine Fusi, Tanja Peric, Barbara Bolis, Alessandro Rota, Antonella Comin, Maria Cristina Veronesi, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Opis: During the last fetal stage of development and in the neonatal period, the hypothalamic- pituitary- adrenal (HPA) axis secretes cortisol (C), responsible for several physiologic processes. The claws were recently proved to be a useful, non- invasive matrix for long time- frame retrospective C levels analysis also in puppies (Veronesi et al. 2015, Theriogenology 84:791–796). Because of the scarce knowledge on canine perinatology, this study was aimed to assess the C concentrations in claws of newborn puppies collected at birth, 30 and 60 days of age, and to evaluate the possible influence of age, gender and type of birth on C claws accumulation. The study was performed on 58 large purebred, normal, healthy puppies, born by spontaneous or cesarean parturition. The mean C claws concentrations significantly decrease from birth (26 ± 16.39 pg/mg) to 30 (10 ± 4.53 pg/mg) and 60 (6 ± 3.12 pg/mg) days of age (p < 0.0001); a decrease was also seen from 30 to 60 days of age (p < 0.05). No influence of newborn gender and type of birth was found. This trend of decrease is in agreement with data reported by (Veronesi et al. 2015, Theriogenology 84:791–796) in dead puppies, and suggests the important role of C around the time of birth. However the exact source of the C accumulated in claws of puppies at birth must be clarified, while the source of C accumulated at 30, and even more at 60 days, can be supposed to be addressed to the newborn itself.
Ključne besede: Cortisol, claws, dog
Objavljeno: 01.09.2017; Ogledov: 113; Prenosov: 0
.pdf Polno besedilo (7,74 MB)

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Combined effects of early season leaf removal and climatic conditions on aroma precursors in ‘Sauvignon blanc’ grapes
Andreja Vanzo, Paolo SABBATINI, Klemen Lisjak, Marijan Bubola, Melita Sternad Lemut, Lorena Butinar, Branka Škvarč, Jose Carlos HERRERA, Rachele FALCHI, Paolo Sivilotti, 2017, izvirni znanstveni članek

Opis: Early leaf removal around the cluster zone is a common technique applied in cool climate viticulture, to regulate yield components and improve fruit quality. Despite the increasing amount of information on early leaf removal and its impact on total soluble solids, anthocyanins and polyphenols, less is known regarding aroma compounds. In order to verify the hypothesis that defoliation, applied before or after flowering, could impact the biosynthesis of thiol precursors, we performed a two year (2013 and 2014) experiment on Sauvignon blanc. We provided evidence that differential accumulation of thiols precursors in berries is affected by the timing of defoliation and this impact was related to modifications in biosynthetic pathway. Furthermore, the possible interaction between leaf removal treatment and seasonal weather conditions, and its effect on the biosynthesis of volatile precursors are discussed. Our results suggested that in Sauvignon blanc the relative proportion of 4-S-glutathionyl-4-methylpentan-2-one (G-4MSP) and 3-S-glutathionylhexan-1-ol (G-3SH) precursors can be affected by defoliation, and this could be related to the induction of two specific genes encoding glutathione-S-transferases (VvGST3 and VvGST5), while no significant effects on basic fruit chemical parameters, polyphenols and methoxypyrazines were ascertained under our experimental conditions.
Ključne besede: early leaf removal, cluster exposure, thiol precursors, methoxypyrazines, glutathione S-transferase, Vitis vinifera
Objavljeno: 31.08.2017; Ogledov: 142; Prenosov: 0
.pdf Polno besedilo (1,04 MB)

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DETERMINATION OF Fe2+ IN LIQUID SAMPLES BY THE USE OF AMPLIEFIED THERMAL LENS SPECTROMETRY
Humberto CABRERA, Dorota Korte, Leja Goljat, Mladen Franko, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: AMPLIEFIED THERMAL LENS SPECTROMETRY, Fe2+
Objavljeno: 30.08.2017; Ogledov: 217; Prenosov: 0
.pdf Polno besedilo (12,87 MB)

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Comparison of Colorimetric Reagents and Their Applicability in Thermal Lens Spectrometry
Mladen Franko, Mikhail A. Proskurnin, Leja Goljat, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: thermal lens spectrometry, colorimetric reagents, mercury
Objavljeno: 30.08.2017; Ogledov: 144; Prenosov: 0
.pdf Polno besedilo (71,63 KB)

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Overview on the height of a hyperideal in Krasner hyperrings
Hashem Bordbar, Irina Cristea, Michal Novak, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: Krasner hyperring, prime hyperideal, Noetherian hyperring
Objavljeno: 30.08.2017; Ogledov: 105; Prenosov: 0
.pdf Polno besedilo (1,59 MB)

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

Ključne besede: fundamental relation, reduced hypergroup, fuzzy set
Objavljeno: 30.08.2017; Ogledov: 89; Prenosov: 0
.pdf Polno besedilo (300,72 KB)

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