Search results for "RME"
showing 10 items of 6748 documents
Disciplina inderogabile del contratto agrario e autonomia privata
2011
Artesunate Activates Mitochondrial Apoptosis in Breast Cancer Cells via Iron-catalyzed Lysosomal Reactive Oxygen Species Production
2011
The antimalarial agent artesunate (ART) activates programmed cell death (PCD) in cancer cells in a manner dependent on the presence of iron and the generation of reactive oxygen species. In malaria parasites, ART cytotoxicity originates from interactions with heme-derived iron within the food vacuole. The analogous digestive compartment of mammalian cells, the lysosome, similarly contains high levels of redox-active iron and in response to specific stimuli can initiate mitochondrial apoptosis. We thus investigated the role of lysosomes in ART-induced PCD and determined that in MCF-7 breast cancer cells ART activates lysosome-dependent mitochondrial outer membrane permeabilization. ART impac…
Evaluation of yeasts from Ecuadorian chicha by their performance as starters for alcoholic fermentations in the food industry
2020
Yeasts involved in the spontaneous fermentation of traditional beverages like chicha (indigenous Andean beer) may have the potential to be used as starter cultures to improve the quality and microbiological safety of these products, but also as non-conventional alternatives to other food alcoholic fermentations. In this research, we isolated, identified and characterised yeast strains from four Ecuadorian chichas made by using four different raw materials: rice (RC), oat (OC), grape (GC) and a mixture of seven corn varieties (yamor, YC). Finally, 254 yeast isolates were obtained and identified by molecular methods. Eleven yeast genera and 16 yeast species were identified with relatively few…
Breeding success of a colony of Boat-billed Herons Cochlearius cochlearius (Ciconiiformes: Ardeidae) in pasturelands of Costa Rica
2014
The breeding success of a double-brooding colony of Boat-billed Herons Cochlearius cochlearius was studied in pasturelands of Costa Rica. Mean clutch size in the first clutches (2.9 eggs/nest) was higher than in second and repeat clutches (2.3 eggs/nest). Breeding success was similar in the first attempt and second attempts(20.7 % and 21.7 %, respectively). In both attempts earlier nests enjoyed a higher breeding success. Starvation of the youngest chicks within the nest and destruction of nests by bad weather conditions were the main factors related to nestling death. No effects of human activity on the reproduction of the breeding colony were observed. Rev. Biol. Trop. 54 (4): 1131-1134. …
Azaciclofanos modificados para el estudio de moléculas de interés biológico
2018
Como miembro investigador en grupo de Química Supramolecular de la Universitat de València el autor de la presente tesis ha orientado su trabajo a desarrollar y cumplir los objetivos marcados en el mismo, que consisten en el diseño, síntesis y estudio de compuestos bioactivos con acción antioxidante, antitumoral y/o antiparasitaria. Así pues, se diseñaron y sintetizaron siete nuevos ligandos poliamínicos para la obtención de nuevos complejos antioxidantes así como para evaluar su interacción con secuencias de ácidos nucleicos. Este proceso requirió, en algunos casos, del desarrollo y la puesta a punto de nuevas rutas sintéticas. Dado que las poliaminas poseen por definición varios grupos su…
N. S. Galgano, I precetti della dea. Non essere e contraddizione in Parmenide di Elea, Diogene Multimedia, Bologna 2017. ISBN 978- 8893630863
2020
Endring av organisasjonsstruktur : konsekvenser for bygg- og anleggsprosjekter
2015
Masteroppgave økonomi og administrasjon- Universitetet i Agder, 2015 Denne masteroppgaven er en kvalitativ studie som tar for seg forskningsspørsmålet "Hvordan blir prosjekter i en bygg- og anleggsorganisasjon påvirket av å gå fra matriseorganisasjonsstruktur til linjeorganisasjonsstruktur?". Jernbaneverket har vært benyttet som caseorganisasjon ettersom de i 2014 endret sin organisasjonsstruktur på dette viset. Målet for oppgaven har vært å forstå hvilken betydning organisasjonsstruktur har på gjennomføring av prosjekt, og hvilke konsekvenser en endring har. Dette da organisasjoner i dag har begynt å vende tilbake til den tradisjonelle linjeorganisasjonen. Problemstillingen er særlig gjeld…
Prognozēšanas modeļu pielietošana Kluyveromyces marxianus fermentācijas procesam
2019
Prognozēšanas modeļu pielietošana Kluyveromyces marxianus fermentācijas procesam. Gurčinska A., zinātniskie vadītāji: Mg.sc.ing. Dubencovs. K., Asoc. prof., Dr. chem. Vaivars G., bakalaura darbs, 47 lappuses, 25 attēli, 9 tabulas, 42 literatūras avoti. Latviešu valodā. Bakalaura darbā tika apkopota informācija no zinātniskām publikācijām par biotehnoloģijas procesu galvenajiem principiem un to pielietošanu produktu ieguvē. Minēta informācija tika apstrādātā un svarīgākie aspekti tika ņemti vērā, noteicot optimālos fermentācijas procesa nosacījumus un pielāgojot mikroorganismu augšanas prognozēšanas modeli (modeļa koeficientus). Eksperimentālajā daļā, tika apkopoti rezultāti no vairākiem Klu…
Quelles modalités de réussite en première année de licence à l’heure de Parcoursup et de la réforme du bac ?
2023
Bac 2021 : les enjeux de la réforme
2020
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