PubMed Health⌕ Search

Biomedical subjects

T Majle

Publications and source records attributed to T Majle.

At least 19 recordsLinked to original sources
PubMed1999

[The contents of radon in deep borehole water of hydro-geological region of Gdańsk].

Radon 222Rn in deep borehole water of Gdańsk Hydrogeological Region has been quantitative determined. This region is located in east part of Gdańsk Voivodship and in west part of Elblag Voivodship including Zuławy. The measurements were performed using alpha liquid scintillation counting method. Only in some case the concentrations of 222Rn in investigated samples exceed recommended limit 11 Bq/l.

Geological Phenomena↗
PubMed1998

[The radon therapy: radon inhalation spa in Kowary].

In this paper the measurements of radon-222 concentration in the air of Kowary Radon Inhalatorium in the vicinity of Jelenia Góra, Lower Silesia, Poland, performed by Radiation Protection and Radiobiology Department of National Institute of Hygiene in Warsaw, have been presented. For the measurements the integration method with the application of charcoal canisters have been used. The radon concentration was found within the very broad ranges from about 4 to 420 kBq m-3 depending of the season of the year. Basing on the radon concentration measurements during the inhalation therapy session and taking into account the equilibrium factor of 0.8 the doses to the bronchi of the patients in range from 1.2 to about 204 mSv (0.12-20.4 rem) have been assessed. The majority of patients (ca. 76%) received the doses between 115 and 204 mSv.

Administration, Inhalation↗
PubMed1998

[Exposure to radon-222 of inhabitants of buildings in Olsztyn].

The concentrations of radon-222 in the air of some buildings in Olsztyn were measured. The main source of radon in buildings is in general the ground under building and the materials used for building structure. In this work the results of radon-222 concentration measurements in the air of some buildings constructed before the 1939 year, in the buildings constructed after 1945 year with the traditional use of the bricks and in the buildings constructed with the use of great prefabricated plates are presented. The relations between radon-222 concentrations in the basements and in the first floor flats situated above the basement were evaluated. Based on the mean radon concentrations in the air of the various types of buildings investigated the effective doses for the inhabitants of each type of buildings were estimated.

Environmental Exposure↗
PubMed1997

[The content of radon 222Rn in deep borehole water of the Pojezierze Mazurskie terrain].

Radon 222Rn in deep borehole water of Pojezierze Mazurskie region has been quantitative determined. The measurement were performed using the alpha liquid scintillation counting method. The water samples were examined from three voivodships: Elblag, Olsztyn and Suwałki. In some cases the concentrations of 222Rn in investigated water samples exceed 11 Bq/l.

Environmental Monitoring↗
PubMed1997

[Radiation induced adaptation in peripheral blood reticulocytes of mice].

An in vivo micronucleus assay in mice reticulocytes of peripheral blood for identifying the possibility of induction of adaptive response to various doses of radiation: 2.5 cGy or 5.0 cGy as adapting and 50 cGy or 100 cGy as challenging doses was performed. The most effective inhibition of frequency appearance of micronucleus in RETs of mice (i.e. adaptive response) takes place et the following experimental conditions: 5.0 cGy as adaptive dose and 50 cGy challenging dose. The interval between them were 4 hours. The maximum inhibition of frequency of micronucleus was et 24 h sampling time after exposure of challenging dose. This reduction was statistically significant (p < 0.05; p < 0.01-chi square test).

Adaptation, Physiological↗
PubMed1996

[Measurements of radon 222Rn in water from the deep borehole in Warsaw].

Radon 222Rn in deep borehole water in the Warsaw's district has been quantitative determined. The measurements were performed using the alpha liquid scintillation counting method. The measurements results were compared to the 222Rn concentration limit in drinking water approved in other countries. In some cases the concentrations of 222Rn in investigated water samples exceed 11 Bq/l. The annual radiation dose equivalent received by the people consuming every day such water in Warsaw in about 0.014 mSv (1.4 mrem).

Air Pollutants, Radioactive↗
PubMed1995

[Comparative analysis of two diffusion methods for radon Rn-222 estimation in atmospheric air by means of gamma ray spectrometry and liquid scintillation counting].

The comparative measurements of radon Rn-222 concentration in indoor air of some buildings and in radon labour chamber have been conducted using two different diffusions methods. The results of parallel measurements using radon charcoal detectors and gamma-rays spectrometry with liquid alpha scintillation counting (Pico-Rad) have been presented. It was concluded that both methods offer the similar measurements possibilities of radon concentrations in the air from about 30 Bq/m3 to about 600 Bq/m3 with the real average divergence between both methods of about +/- 11%.

Air Pollutants, Radioactive↗
PubMed1992

[Combined effect of administering amberlite 252 together with hydrocortisone or diuretics on elimination of radiocesium from the rat].

It was shown that diuretics: diuramid and furosemide enhance elimination of radiocesium by organic ion exchanger Amberlite 252 from the rat. Administration of Amberline 252 together with hydrocortisone is more effective in radiocesium elimination than administration Amberline only. Using mentioned-above agents 2 hours after administration of radiocesium and even 9 days after contamination cause significant reduction of radioisotope retention period in rat organism.

Acetazolamide↗
PubMed1991

[The role of individual segments of the gastrointestinal tract in the elimination of cesium radioisotopes].

The transfer of radiocesium from blood to the lumen of individual sections of the gastro-intestinal tract was quantitatively determined. The water suspension of ion exchange resin was injected to the lumen of the individual sections of the gastro-intestinal tract. The sections were ligated. The highest amount of radiocesium absorbed to the resin in the lumen of gastro-intestinal tract was observed 3 hrs after intravenous administration 137CsCl and reached 17.7% of the administered dose. It was shown that the small intestine and the ileum play the biggest role in absorption and excretion of the radiocesium. The role of the duodenum, the large intestine and the stomach is much smaller in this process.

Animals↗
PubMed1990

Building materials and risk of leukemia.

Using information data obtained from 958 patients with leukemia and the same number of healthy controls matched for sex, age and place of residence the relative risk of leukemia was calculated in relation to the character of the material from which the building was built where the patients and controls were living. The information on the type of the building materials was obtained by inquiry. Three types of buildings were isolated: buildings built from wood, bricks and concrete or prefabricated products. In the analysis the number of years during which the patients and controls were living in these buildings was considered. No statistically significant correlation was noted between the risk of leukaemia development and the character of the building material. No increase was noted in this probability in relation to the time of living in a building built from any of these building materials. Additional analysis demonstrated that in Poland no so called "leukemic houses" are found, that is houses where during 5 years three of more cases of leukemia occurred.

Adult↗
PubMed1989

Occupational exposures and leukemia.

Using the data from a case-control study performed in 958 age, sex and place of residence matched pairs of adult inhabitants of Polish towns, the risk of leukemia related to work in several occupations was analyzed. The risk of myeloid leukemia was found to be increased by some 90% in electrical workers (p less than 0.10). Also in some medical occupations the risk was significantly increased though small numbers do not allow to establish valid estimates of risk, and all medical occupations, treated as a whole group, do not increase the risk. No increase of leukemia risk was found for occupations connected with agriculture.

Adult↗