Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 40661-40680 of 98742
-
(1996)The environmentally sensitive fluorescent probes 6-propionyl-2-(N,N- dimethylamino)naphthalene (PRODAN) and 2'-(N,N-dimethylamino)-6-naphthoyl-4- trans-cyclohexanioc acid (DANCA) form complexes with the heme binding site ...
-
(1995)The effect of the nature of the medium on the chloride and bromide condensation to a cationic polyelectrolyte was studied. Methanol/water mixtures were used as solvent in order to vary continuously the properties of the ...
-
(Microbiology Society, 1996)The adaptive response of the archaeon Sulhlobus acidocaldarius BC65 to phosphate starvation was studied. When cells were subjected to phosphate limitation, their growth was affected. In addition, the levels of synthesis andlor ...
-
(1996)The phylogenetic, ontogenetic and seasonal hypotheses on the annual periodicity of menarche were tested. Data from the European, Asian (Caucasian, Mongolian and Caucaso-Mongolian people from the northern hemisphere) and ...
-
(1996)A model for random molecular evolution based on recurrent mutation is proposed. Recurrent mutation replaces completely any original base in a nucleotidic site. This occurs if more than four times the number of reproductive ...
-
(1996)Psychological and physiological indicators of presurgical stress are investigated in an unselected group of women without history of mental pathology. Among the instruments employed are the content analysis of verbal ...
-
(Elsevier USA, 1996)Uniplant, a single Silastic implant containing nomegestrol acetate, provides contraceptive efficacy for one year. Uniplant use for one year was studied in 1,803 healthy women of reproductive age, enrolled from 10 centers ...
-
(1996)Extensive research into the risk factors associated with dementia, how best to diagnose this syndrome and how to help families care for dementia patients has not been undertaken in Latin American countries, where the family ...
-
(BioScientifica Ltd., 1996)The metabolic clearance of chicken IGF-I (cIGF-I), cIGF-II, human IGF-I (hIGF-I), and hIGF-II was examined in the chicken using 125I-labelled growth factors. Superose-12 chromatography of plasma collected at 7.5 min ...
-
(Academic Press, 1996)The effect of burrow acoustics on the reception of sounds by a leptodactylid frog, Eupsophus emiliopugini, from Southern Chile was investigated. Burrows occupied by E. emiliopugini males amplified vocalizations produced ...
-
(1996)Nonclinical populations of male and female subjects of middle socioeconomic level and different age ranges were assessed by means of the content analysis method developed by Gottschalk and associates. Verbal samples consisted ...
-
(American Society for Nutrition, 1996)We performed a liver biopsy and measured plasma concentrations of interleukin 1β (IL-1β) and tumor necrosis factor α (TNF-α), and spontaneous and lipopolysaccharide-stimulated in vitro monocyte production of IL-1β and TNF-α ...
-
(1996)To test the hypothesis that the increased health risk of children selected by a previously calculated and validated predictive model is associated with some maternal psychological characteristics, the universe of 107 mothers ...
-
(1996)Ca2+ and Gd3+ stimulated the GTPase activity of chicken brain tubulin 13- and 26-fold, respectively. Mg2+, Tb3+, and Na+ had no effect. This GTPase activity showed a saturation behavior with Ca2+ and Gd3+ with a maximal ...
-
(Blackwell Publishing Ltd, 1996)1. To examine the correlation between chemosensory response and dopamine release induced by hypoxic stimulation, we studied carotid bodies excised from anaesthetized cats. 2. The carotid bodies with their carotid (sinus) ...
-
(1996)Aerobic life is characterized by a steady generation of reactive oxygen species balanced by a similar rate of their consumption by antioxidants. To maintain homeostasis, there is a requirement for the continuous regeneration ...
-
(American Physiological Society, 1996)The importance of zinc in cell physiology is related mainly to its intracellular involvement in enzyme catalysis, protein structure, protein- protein interactions, and protein-oligonucleotide interactions. The mechanisms ...
-
(1995)The fetal llama exposed to an intense degree of hypoxaemia did not increase cerebral blood flow, but showed a marked peripheral vasoconstriction. The same cardiovascular response is observed in fetal sheep submitted to a ...
-
(1996)Chronic toluene inhalation provokes significant deleterious neurological effects in young glue sniffers and exposed workers. We have developed a chronic toluene inhalation model in the cat to address this issue. Neuronal ...
-
(1996)Experiments were designed to characterize the effect of progesterone on the hamster sperm acrosome reaction (AR). Progesterone stimulated exocytosis of previously capacitated spermatozoa in a dose-dependent manner. ...
