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"S poplavami in požari se bomo srečevali vsakodnevno" : v 50 letih izginili dve tretjini živali, onesnaženost rekordna
2020, interview

Abstract: V prihodnosti bodo požari in poplave nekaj vsakodnevnega, hrano bomo težko gojili, napoveduje Leon Kebe z WWF Adria. Edina rešitev je, da onesnaževanje ustavimo. Populacije živali izumirajo, onesnaženost vpliva na višjo smrtnost ljudi tudi v Evropi.
Keywords: požari, poplave, onesnaženost
Published in RUNG: 05.11.2021; Views: 1630; Downloads: 47
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Matrix Gla protein (MGP) is involved in elastic fiber calcification in the dermis of Pseudoxanthoma Elasticum (PXE) patients.
Gheduzzi Dealba, Federica Boraldi, Annovi Giulia, Paolinelli Devincenzi Chiara, Schurgers Leon J, Vermeer Cees, Quaglino Daniela, Pasquali Ronchetti Ivonne, 2007, original scientific article

Abstract: Mature MGP (Matrix g-carboxyglutamic acid protein) is known to inhibit soft connective tissues calcification. We investigated its possible involvement in pseudoxanthoma elasticum (PXE), a genetic disorder whose clinical manifestations are due to mineralization of elastic fibers. PXE patients have lower serum concentration of total MGP compared to controls (Po0.001). Antibodies specific for the noncarboxylated (Glu-MGP) and for the g-carboxylated (Gla-MGP) forms of MGP were assayed on ultrathin sections of dermis from controls and PXE patients. Normal elastic fibers in controls and patients were slightly positive for both forms of MGP, whereas Gla-MGP was more abundant within control’s than within patient’s elastic fibers (Po0.001). In patients’ calcified elastic fibers, Glu-MGP intensively colocalized with mineral precipitates, whereas Gla-MGP precisely localized at the mineralization front. Data suggest that MGP is present within elastic fibers and is associated with calcification of dermal elastic fibers in PXE.
Keywords: calcification, dermal fibroblast, elastic fiber, human skin, MGP, pseudoxanthoma elasticum
Published in RUNG: 22.07.2019; Views: 3221; Downloads: 0
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Postopek za predelavo papirniškega blata v bioplin in surovino za karton
Leon Kaluža, Gregor Drago Zupančič, 2014, patent

Abstract: Predmetni izum se nanaša na anaerobno obdelavo aerobnega aktivnega blata in njegovo pretvorbo v bioplin. Blata kot neobdelanega substrata ni mogoče zadovoljivo pretvoriti v bioplin zaradi predolgega zadrževalnega časa za anaerobni razkroj in prenizke biorazgradljivosti. Predmetni izum predstavlja postopek za preobdelavo aerobnega blata iz proizvodnje kartona v bioplin, ki obsega najprej ustrezno hidrolizo blata, ki ji sledi predelava hidrolizata po anaerobnem postopku v UASB reaktorju. Prvi proces predstavlja tehnologijo, kjer blato solubiliziramo pri pH 12 in 70 °C, hidrolizat dodajamo v odpadno vodo in mešanico brez težav obdelamo v konvencionalnem UASB reaktorju za čiščenje papirniške odpadne vode. V tem primeru je mogoče brez težav obdelati mešanico z dodatkom hidrolizata 5(v/v) %, proizvodnjo bioplina pa povišamo za do 20 %. Trdni preostanek po hidrolizi, ki je higieniziran, je uporaben kot surovina v proizvodnji kartona, če se dodaja v primerno nizki koncentraciji 1(m/m)%, ki ne degradira bistveno lastnosti standardnih surovin.
Keywords: Aktivno blato, Bioplin, Surovina za karton
Published in RUNG: 30.03.2016; Views: 4992; Downloads: 0
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Nacionalna identiteta in glasba pri šoloobveznih mladostnikih : disertacija
Lorena Mihelač, 2011, doctoral dissertation

Published in RUNG: 19.02.2015; Views: 4477; Downloads: 407
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