Search results for "SOM"
showing 10 items of 8346 documents
Degradation of an alkaloid pheromone from the pale-brown chafer, Phyllopertha diversa (Coleoptera: Scarabaeidae), by an insect olfactory cytochrome P…
1999
AbstractThe pale-brown chafer, Phyllopertha diversa, utilizes an unusual alkaloid, 1,3-dimethyl-2,4-(1H,3H)-quinazolinedione, as its sex pheromone. This compound is rapidly degraded in vitro by the antennal protein extracts from this scarab beetle. Demethylation at the N-1 position and hydroxylation of the aromatic ring have been identified as the major catabolic pathways. The enzyme responsible for the pheromone degradation is membrane-bound, requires NAD(P)H for activity and is sensitive to cytochrome P450 inhibitors, such as proadifen and metyrapone. The ability to metabolize this unusual pheromone was not detected in 12 species tested, indicating that the P450 system, specific to male P…
Conformational-Dependent Photodissociation of Glycolic Acid in an Argon Matrix
2023
Ultraviolet-induced photodissociation and photo-isomerization of the three most stable conformers (SSC, GAC, and AAT) of glycolic acid are investigated in a low-temperature solid argon matrix using FTIR spectroscopy and employing laser radiation with wavelengths of 212 nm, 226 nm, and 230 nm. The present work broadens the wavelength range of photochemical studies of glycolic acid, thus extending the understanding of the overall photochemistry of the compound. The proposed kinetic model for the photodissociation of glycolic acid proceeds from the lowest energy conformer (SSC). The model suggests that ultraviolet light induces isomerization only between the SSC and GAC conformers and between …
Somatic Embryogenesis and Plant Regeneration from Hypocotyl Cultures of Digitalis obscura L.
1986
Summary Hypocotyl sections from 20-day-old seedlings of Digitalis obscura L. were used to examine the effect of IAA on somatic embryogenesis. Although embryogenesis was obtained with all IAA concentrations (0.1, 0.5 and 1 ppm) and under both illumination conditions tested (16 h photoperiod and darkness), incubation in photoperiod increased yield of embryos and shortened the embryo induction time. Optimum results were obtained with 1 ppm IAA. About 30 % of the embryos obtained developed into complete plantlets when transferred to basal medium without growth regulators.
Early evolutionary colocalization of the nuclear ribosomal 5S and 45S gene families in seed plants: evidence from the living fossil gymnosperm Ginkgo…
2012
In seed plants, the colocalization of the 5S loci within the intergenic spacer (IGS) of the nuclear 45S tandem units is restricted to the phylogenetically derived Asteraceae family. However, fluorescent in situ hybridization (FISH) colocalization of both multigene families has also been observed in other unrelated seed plant lineages. Previous work has identified colocalization of 45S and 5S loci in Ginkgo biloba using FISH, but these observations have not been confirmed recently by sequencing a 1.8 kb IGS. In this work, we report the presence of the 45S–5S linkage in G. biloba, suggesting that in seed plants the molecular events leading to the restructuring of the ribosomal loci are much o…
Physical and Quality of Life Changes in Elderly Patients after Laparoscopic Surgery for Colorectal Cancer—A Prospective Cohort Study
2022
Background—The incidence of colorectal cancer is increasing among elderly people, where postoperative complications are frequent. Methods—We evaluated postoperative physical and quality of life changes in elderly patients undergoing laparoscopic surgery for colorectal cancer. A prospective cohort study was performed in 31 colorectal cancer patients ≥60 years who were scheduled for laparoscopic surgery due to colorectal cancer. Outcomes were measured one month preoperative (T1), three days postoperative (T2) and one month postoperative (T3). Results—The largest early postoperative (from T1 to T2) declines were observed for isometric knee extension strength (33.1%), 30 s …
Di pirati e Stati "falliti". Il Consiglio di sicurezza autorizza il ricorso alla forza nelle acque territoriali della Somalia
2008
Variation des comportements et des perceptions des consommateurs face à un même produit : étude de cas
2014
Faut-il opposer plaisir ou santé quand on parle d'alimentation ?
2018
National audience
Evaluation of a liposomal food supplement containing conifer polyprenols on performance of amateur marathon and half marathon runners using blood bio…
2021
Darbā apkopota informācija par poliprenolu liposomālā uztura bagātinātāja “SuperCell” lietošanas ietekmi uz maratonu un pusmaratonu skrējējiem - amatieriem. Lai izpētītu poliprenolu efektivitāti fiziskās slodzes laikā, tika pētīti divu maratona skrējēju grupu asins bioķīmiskie parametri. Pētījuma dalībnieki bija 22 vīriešu dzimuma sportisti vecumā no 25 līdz 41 gadam, kuri tika sadalīti kontroles grupā (nelietoja poliprenolus) un produktu grupā - lietoja 30 mg poliprenolu liposomu mīkstā želatīna kapsulās 3 reizes dienā 4 ± 1 dienas pirms skrējiena. Pētījuma rezultāti parādīja, ka produktu grupai statistiski nozīmigi (p<0,05) tika izmainīti eritrocītu, hemoglobīna, limfocītu un laktāta radī…
Somu pilsoņu kara neredzamā puse: politiskais subjekts un realitāte
2017
Bakalaura darbs „Somu pilsoņu kara neredzamā puse: politiskais subjekts un realitāte“ apskata politiskā subjekta uztveri par vienu no pirmajiem nozīmīgākajiem neatkarīgās Somijas vēstures notikumiem divu dažādu laiku – modernitātes un postmodernitātes – ietvaros. Darba mērķis ir veikt somu medijos publicēto rakstu diskursa analīzi un apskatīt, kā raksti atbilst teorijām par politisko subjektu un objektu, ideoloģijām, kā arī laiku, kurā tie tika publicēti. Lai sasniegtu mērķi, tiks atlasītas un apskatītas iepriekšminētās teorijas, gūts priekšstats par 20.gs. notikumiem, kā arī analizēti raksti, kas tika publicēti uzreiz pēc kara notikumiem un mūsdienās. Mērķa sasniegšana ļaus iegūt atbildi u…