Catalase activity in thermal blue-green algae in relation to temperature

Biologia Plantarum - The author has studied the relation of the catalase activity in thermal blue-green algae to temperature. Experimental data were taken from the first phase of the reaction, so...     

The effect of DL-β-methylaspartic acid on the growth ofEscherichia coli

ВЫла кислота была под готовлена и двух его и зомеры отделить друг от друга. Больше erythro-раст воримой форме стимул ировали рост (itEscherichia титр) в синтетических средн ие на концентрацию 1–5 gmmoles мл. Менее растворимы е фракции, содержащие threo-форма препятствует росту из (itEscherichia коли) на дан ной концентрации. Инг ибирование роста сви детельствует путем п ролонгации лаг фазы; Темпы роста в логари фмической фазы и Макс имальное количество ячеек не были пострад авшим от аналога. Торм озящий последствия, в ызванные threo-форма methylaspartic ки слоты могут быть пода влены Помимо этого из аспарагиновой кисло ты.     

Temperature and air humidity as factors influencing sleep and wakefulness

Summary In experiments on rats we studied the influence of temperature (21, 27 and 33° C) and air humidity (50, 70 and 90 %) on the duration of sleep and insomnia.The sleep of an animal, exposed to variously warm and humid air for 24 hours, is shortened the more, the higher the humidity and temperature of air. After insomnia lasting 24 hours and preceeded by an exposure to variously warm and humid air for one hour, sleep debt is increased at the rate at which air humidity and temperature of the exposure is raised. Similar changes of the animal's sleep depth occur also in such cases where the exposure of the animal is carried out during insomnia.     

Participation of some meteorological factors on the determination of emotional reactivity

Summary Rats were exposed to conditions of various temperature (21, 27 and 33°C) and air humidity (50%, 70% and 90%) and their emotional reactivity was estimated.Increased temperature and air humidity increases more or less expressively the emotional reactivity. It was further stated that interindividual differences of emotional behaviour are maintained in conditions of lower levels of variously warm and humid air.