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排序方式: 共有175条查询结果,搜索用时 15 毫秒
1.
E I Ermolenko L M Gerasimenko L B Borisov 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》1989,(12):3-7
The comparative study of the biological properties of E. coli cultures, isolated from the urine of 7 patients two times during the first 11 days from the beginning of clinical manifestations of the exacerbation of chronic pyelonephritis, was conducted. In most cases the strains obtained as the result of the inoculations of the first and second urine samples belonged to the same serological and enzymatic variants. Still bacteria isolated in the second investigation, in contrast to E. coli obtained by the earlier inoculation of urine samples, often had no hemagglutinins and showed low adhesive capacity with respect to uroepithelium. Only in one out of 4 patient E. coli with antigen K1+ could be detected not only after the first inoculation, but also after the second one. In 4 patients E. coli cultures obtained as the result of the second isolation of these bacteria had lower content of sialic acid. Besides, differences in the sensitivity of E. coli strains isolated from the same patients in the course of the infectious process to the action of nonspecific protection factors of the body were established. The results obtained in the course of this study give more precise understanding of the existing conception of the pathogenesis of pyelonephritis. 相似文献
2.
Membrane proteins with a molecular weight of 290, 180, and 55 kDa were isolated using immunosorbent attached to sepharose and rabbit antibodies to cytoplasmic tetrodotoxin-sensitive protein from beef brain gray matter. A technique used for research into voltage-dependent sodium channels was applied to reconstruction of these proteins and investigation of toxin-dependent sodium flows through the lipoprotein membrane. Findings are interpreted as evidence of the similarity between cytoplasmic tetrodotoxin-sensitive protein and that of sodium channels at the cell membrane.A. A. Bogomolets Institute of Physiology, Academy of Sciences of the Ukrainian SSR, Kiev; A. V. Palladin Institute of Biochemistry, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Neirofiziologiya, Vol. 21, No. 4, pp. 485–489, July–August, 1989. 相似文献
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Dr. I. V. Goncharova L. M. Gerasimenko G. A. Zavarzin G. T. Ushatinskaya 《Current microbiology》1993,27(4):187-190
In a culture of filamentous cyanobacteriumMicrocoleus chthonoplastes under high phosphorus content and the presence of NaF, formation of aggregated microtubes of 0.8–1.0 m in diameter was obtained. Microtubes contain calcium and phosphorus. These filamentous structures do not represent fossilized bacteria. 相似文献
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N. Yu. Gerasimenko A. V. Slavutskaya S. A. Kalinin E. S. Mikhailova 《Human physiology》2013,39(3):248-255
Psychophysiological experiments were performed on 34 healthy subjects. We analyzed the accuracy and latency of motor response in recognizing two types of complex visual stimuli, animals and objects, which were presented immediately after a brief presentation of face images with different emotional expressions: anger, fear, happiness, and a neutral expression. We revealed the dependence of response latency on emotional expression of the masked face. The response latency was lower when the test stimuli were preceded by angry or fearful faces compared to happy or neutral faces. These effects depended on the type of stimulus and were more expressive when recognizing objects compared to animals. We found that the effects of emotional faces were related to personal features of the subjects that they exhibited in the emotional and communicative blocks of Cattell’s test and were more expressive in more sensitive, anxious, and pessimistic introverts. The mechanisms of the effects of unconsciously perceived emotional information on human visual behavior are discussed. 相似文献
7.
Gerasimenko VV 《Genetika》2001,37(8):1095-1103
The study of structural organization of gene pool was conducted for eight blood-group genetic systems (transferrin, haptoglobin, and amilase) in three stock herds of pigs of the Ukrainskaya Stepnaya Belaya breed that were bred under the conditions of southern Ukraine. Typical gene combinations (complex genotypes) of this breed were detected, and the main breed-specific parameters of distribution of genetic markers were described. 相似文献
8.
Gerasimenko IuP Makarovskiĭ AN Nikitin OA 《Rossi?skii fiziologicheski? zhurnal imeni I.M. Sechenova / Rossi?skaia akademiia nauk》2000,86(11):1502-1511
In patients deprived of supraspinal effects, electrical epidural stimulation of the spinal cord's dorsal surface at the level of 2nd lumbar segment induces step-like movements accompanied by respective electromyographic activity of the leg's muscles. Triggering of the step-like movements occurs at certain parameters of the stimulation. The data obtained suggest that human spinal cord has networks of interneurons-generators of the step-like movements. A leading role of the spinal cord's propriospinal system in activation of spinal generators of stepping under epidural influences was shown in cats. 相似文献
9.
The effects in vivo and in vitro of the radioprotective agents (MEA, AET, serotonin, dopamine, and histamine) on mitochondrial ATPase activity of rat brain and liver have been investigated. The enzyme activity has been found to be inhibited for the most. Possible mechanisms of the effects observed are discussed. 相似文献
10.
Dorofeev IIu Avelev VD Shcherbakova NA Gerasimenko IuP 《Rossi?skii fiziologicheski? zhurnal imeni I.M. Sechenova / Rossi?skaia akademiia nauk》2007,93(10):1112-1122
The role of hindpaw skin afferent input in the locomotor pattern formation induced by epidural spinal cord stimulation was investigated in decerebrated cats. Locomotor activity was evoked by continuous 3-5Hz stimulation of dorsal surface of L4-L5 spinal segments. Kinematic and electromyographic activity (EMG) of m. Quadriceps, m. Semitendinosus, m. Tibialis anterior an m. Gastrocnemius lateralis before and after blocking of skin receptors in one hind limb were recorded. In addition, reflex responses in the hind limb muscles to epidural stimulation with frequency 0.5 Hz were analysed. Blocking of skin receptors of the foot with chlorothane paw irrigation or 2 % lidocaine administrated into the hind paw was performed. After blocking of skin receptors of the foot the stepping pattern changed. Stepping with dorsal foot placement and dragging during swing phase was observed. Duration of stance phase significantly decreased. Inhibition of polysynaptic activity of proximal and distal extensor muscles and distal flexor muscles of hind paw during locomotion was found. Monosynaptic responses after blocking of skin receptors of the foot changed insignificantly. 相似文献