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[Microbiological aspects of the environment of deep sea habitats]. [深海栖息地环境的微生物方面]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-11-01
A N Viktorov, V K Il'in, N A Polikarpov, M P Bragina, V G Sobolevskiĭ, A B Sysoev, T Iu Norkina
{"title":"[Microbiological aspects of the environment of deep sea habitats].","authors":"A N Viktorov,&nbsp;V K Il'in,&nbsp;N A Polikarpov,&nbsp;M P Bragina,&nbsp;V G Sobolevskiĭ,&nbsp;A B Sysoev,&nbsp;T Iu Norkina","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>It is known that the hyperbaric environment facilitates selection of gram-negative microorganisms which acquire ecological predominance. From this point of view deep sea habitats can be regarded as a specific anthropotechnological niche for pathogenic microorganisms, particularly Pseudomonas aeruginosa A. aeruginosa colonization of the mucosa and skin of deep sea divers may result in infection manifestations which took place in chamber experiments when test subjects showed otitis externa and when virulent strains were isolated. It was demonstrated that the basic reservoir of P. aeruginosa was the water supply system. Hence, development of a reliable method for its disinfection should be of highest priority. One of the potential methods is SHF treatment. Another important approach is personal hygiene procedures preventing skin and mucosa contamination with potentially pathogenic microorganisms and procedures for increasing colonization resistance of divers with the aid of eubiotic therapy.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 6","pages":"17-21"},"PeriodicalIF":0.0,"publicationDate":"1991-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19557726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[An experimental study on the effects of high pressure on adsorption properties of silochrome C-120]. [高压对硅铬C-120吸附性能影响的实验研究]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
O A Sukhorukov, M V Azarova, V P Borovikova
{"title":"[An experimental study on the effects of high pressure on adsorption properties of silochrome C-120].","authors":"O A Sukhorukov,&nbsp;M V Azarova,&nbsp;V P Borovikova","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Adsorption properties of silochrome in a helium atmosphere at 77 as were investigated. It was demonstrated that at a high pressure adsorption properties of silochrome changed and Henry coefficients decreased.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"50-1"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Structure of nocturnal sleep and susceptibility to motion sickness]. [夜间睡眠结构与晕动病易感性]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
S N Lipovenko
{"title":"[Structure of nocturnal sleep and susceptibility to motion sickness].","authors":"S N Lipovenko","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"61"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Response of regional vascular tone to orthostatic and gravitational effects]. [区域血管张力对直立和重力效应的响应]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
R A Vartbaronov, E V Baranova
{"title":"[Response of regional vascular tone to orthostatic and gravitational effects].","authors":"R A Vartbaronov,&nbsp;E V Baranova","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effect of active orthostasis and +Gz acceleration on regional vessels was investigated with the participation of 6 test subjects. Using photoplethysmography, the arterial pulse and venous blood filling of vessels of the finger at the level of the right atrium and at 41 cm above and below it were measured. This corresponded to variations of the intravascular hydrostatic pressure within the range +/- 30 mm Hg. This test was performed before and after exposure to acceleration of 5, 7, 8 and 9 G for 30 s at an onset rate of 1.0 G/s in the horizontal and vertical position. Arterial and venous responses were determined by comparing the results obtained at extreme levels of hydrostatic pressure. In all cases, increase in hydrostatic pressure led to enhancement of arterial tone and venous blood filling. After exposure to acceleration arterial tone and venous blood filling grew to a greater extent, particularly in the horizontal position. It is believed that the above method of measuring responses of regional vessels may prove useful to assess the vascular function after orthostatic, gravitational and other effects.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"6-8"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Functional properties of blood proteins in highly trained athletes]. [高训练运动员血液蛋白的功能特性]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
N V Tolkacheva, S V Konoshenko, M M Levachev, F A Medvedeva, V L Lupinovich, O V Nikolenko
{"title":"[Functional properties of blood proteins in highly trained athletes].","authors":"N V Tolkacheva,&nbsp;S V Konoshenko,&nbsp;M M Levachev,&nbsp;F A Medvedeva,&nbsp;V L Lupinovich,&nbsp;O V Nikolenko","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The functional properties of serum albumin and hemoglobin were investigated in highly trained athletes. During adaptation to regular strenuous exercise, the metabolic pathway of omega 3 fatty acids intensified and the content of lipid peroxidation products in serum albumin increased. Also, hemoglobin affinity for molecular oxygen decreased and ATP concentration in red blood cells increased.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"15-7"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19557214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Attempt at radiation protection during sublethal irradiation in hypergravity state]. [超重力状态下亚致死辐射防护的尝试]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
M I Minkova, T P Pantev
{"title":"[Attempt at radiation protection during sublethal irradiation in hypergravity state].","authors":"M I Minkova,&nbsp;T P Pantev","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"63-4"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19557727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Dynamics of prostaglandin contents and several indicators of lipid metabolism in man exposed to prolonged hypokinesis]. [长期睡眠不足的人前列腺素含量和脂质代谢的几个指标的动态变化]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
V P Naĭdina, I P Larina, E E Zharkovskaia, Iu V Sukhanov
{"title":"[Dynamics of prostaglandin contents and several indicators of lipid metabolism in man exposed to prolonged hypokinesis].","authors":"V P Naĭdina,&nbsp;I P Larina,&nbsp;E E Zharkovskaia,&nbsp;Iu V Sukhanov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Nine healthy test subjects divided into Group A and Group B were bed rested (with the head down at -5 degrees) for 370 days. Group A subjects exercised from the beginning of the study while Group B subjects began exercising only 120 days after. During the study prostaglandins PGE and PGF2 alpha in serum and fatty acids in serum and erythrocyte membranes were measured. The lipid concentration in erythrocyte membranes decreased during the study and returned to the norm at a final stage and after the study. However, changes in higher fatty acids and a dramatic decline of prostaglandin give evidence for serious alterations of lipid metabolism at the cellular level.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"33-6"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Tolerance of chest-to-back [+Gx] and head-to-feet [+Gx] acceleration in drug-induced hypohydration]. [药物性脱水时胸部到背部[+Gx]和头到脚[+Gx]加速的耐受性]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
V B Noskov, Luk'ianiukVIu, T V Sokolova, A R Kotovskaia
{"title":"[Tolerance of chest-to-back [+Gx] and head-to-feet [+Gx] acceleration in drug-induced hypohydration].","authors":"V B Noskov,&nbsp;Luk'ianiukVIu,&nbsp;T V Sokolova,&nbsp;A R Kotovskaia","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effect of drug-induced hypohydration (furosemide, 40 mg per os) on the tolerance of chest-to-back (+Gx) and head-to-feet (+Gz) acceleration was investigated in 9 healthy male test subjects, aged 25-45 years. The test subjects were rotated in a 7.5 m arm centrifuge. The first exposure during which they were centrifuged at 4 G (+Gx and +Gz) served as a control. The second time they were exposed to centrifugation after diuretic administration. Prior to second exposure, the subjects showed increased diuresis (5.7 +/- 0.7 ml/min) and increased excretion of osmotically active compounds, including electrolytes. This led to a decrease of the circulating blood volume by 7.0 +/- 1.8% on an average. During centrifugation the following parameters were recorded: electrocardiogram, blood pressure in the arm and ear lobe vessels, ear pulsogram, and pneumogram. After diuretic intake +Gx tolerance remained essentially unchanged whereas +Gz tolerance was good but required greater efforts. It is concluded that moderate diuretic-induced hypohydration did not result in a drastic deterioration of acceleration tolerance.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"4-6"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Study of cyclic kinetics of immunity by mathematical modeling methods]. [用数学建模方法研究免疫循环动力学]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
O A Smirnova
{"title":"[Study of cyclic kinetics of immunity by mathematical modeling methods].","authors":"O A Smirnova","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The mathematical model of the dynamics of humoral immune responses to soluble antigens has been developed. This is a system of nonlinear differential equations describing concentrations of immunocompetent B-lymphocytes, plasma cells, antibodies and antigen. The model reproduces cyclic kinetics of the immune reaction to slowly catabolizing antigens which is observed experimentally. Within the framework of the model a description of the mechanism of origin of oscillatory modes of the dynamics of the immune response is presented. It has been shown that the feedback in the control of the antibody synthesis by antibodies is due to neutralization of the main stimulus of the immune system, i.e., free molecules of the antigen--by circulating antibodies.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"53-6"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Creation of new technology for conduction of controllable autonomous complex medical studies on board the MIR orbital station under the SHIPKA project]. [根据SHIPKA项目，在和平号轨道站上创造进行可控自主复杂医学研究的新技术]。
Kosmicheskaia biologiia i aviakosmicheskaia meditsina Pub Date : 1991-09-01
R D Nedkov, V M Shalamanov, S D Simeonov, S K Tanev, V I Kozharinov, V V Bogomolov
{"title":"[Creation of new technology for conduction of controllable autonomous complex medical studies on board the MIR orbital station under the SHIPKA project].","authors":"R D Nedkov,&nbsp;V M Shalamanov,&nbsp;S D Simeonov,&nbsp;S K Tanev,&nbsp;V I Kozharinov,&nbsp;V V Bogomolov","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"56-8"},"PeriodicalIF":0.0,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19556574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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