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Biomedical subjects

J Kozłowski

Publications and source records attributed to J Kozłowski.

At least 19 recordsLinked to original sources
PubMed1999

[Nodular toxoplasmosis as a diagnostic and therapeutic problem].

Enlargement of lymph nodes of the neck, slightly elevated body temperature and discomfort are symptoms characteristic of many illnesses. One of these can be toxoplasmosis. Because the rarity of its occurrence, sometimes toxoplasmosis may be last to be recognized. In many cases absence of specific additional examination guidelines can contribute to several problems with correct diagnosis. At the present time, the most reliable sample analysis methods are the examination of levels of antibodies IgG and IgM, and the histopathological verification. The authors also indicate that varying therapeutic effects using prophilactic treatment and insufficient additional examination could lead to diagnostic problems.

Adolescent↗
PubMed1997

[The effect of water pipelines on the quality of drinking water].

The purpose of the study was to assess the effects of various pipelines on drinking water quality. For the study carried out in Warsaw buildings were chosen in which the installations were made of polypropylene, polyvinyl chloride, copper and steel. Water samples were taken from the sites of water leading to the buildings and from the highest floors, if possible. Physicochemical studies included determination of turbidity, colour, odour, pH, hardness, chlorides, ammonia, nitrates, nitrites, oxidation, manganese, iron, lead, cadmium, copper and zinc content. Bacteriological tests included determination of total microorganism count at 20 degrees C and 37 degrees C, total number of sporing bacteria and Pseudomonas aeruginosa. The hydro-biological testing of water samples included quantitative and qualitative analysis of macroscopic and microscopic plant and animal organisms. All studies were carried out according to Polish Standards and the methods of the State Institute of Hygiene. The results of the physicochemical, bacteriological and hydro-biological tests failed to show any effect of the material of pipelines on the quality of drinking water in the range of the determined parameters.

Materials Testing↗
PubMed1995

[Clinical usefulness of auditory brainstem responses in patients with sensorineural and mixed hearing loss].

The brain stem response (ABR) and pure tone audiometry was recorded in to patients: 23 with sensorineural and 17 with mixed hearing loss. The control group included 10 males and 10 females. The presented method (ABR) shows to be very useful for objective estimating the level of hearing lose and location of failure in auditory pathways. Particular statistics analysis of obtained results (wave V latency-intensity function) shows high correlation with a pure tone audiometry.

Adolescent↗
PubMed1995

[Malignant tumors of the parotid gland].

The authors presented 72 cases of malignant parotid gland tumors treated in ENT Dept. in Medical University of Gdańsk in years 1970-1990. The most frequent tumors were: carcinoma planoepitheliale, adenocarcinoma et carcinoma muco-epidermale. Particular analysis of TNM stage, histopathological findings and therapy of described cases may be helpful in improving the treatment results.

Adult↗
PubMed1994

[Coexistence of low-molecular component combustion gas formed during the burning of gaseous fuels].

The equations of nitric and formaldehyde concentrations in combustion gas against carbon monoxide in combustion gas were shown in this study. Measures for various conditions of burners operating are down. It was shown that nitric oxides concentration in combustion gas is proportional to carbon monoxide concentration and universally proportional to fuel consumption velocity and dry product volume of combustion gas formed from fuel elementary volume. In case of formaldehyde all three partial relationships were inversely proportional.

Air Pollutants↗
PubMed1993

[Gas cookers as a source of benz(a)pyrene emission].

The spectrofluorimetric method of bez(a)pyrene was used without separating it from other polycyclic aromatic hydrocarbons. On the basis of that method the content of that compound was measured in air contaminated with gas after burning of gas cookers. The study showed that this compound is not present in Warsow when earth gas is burning, but burning of propane-butane mixture contaminates air with this compound in a considerable degree.

Air Pollutants↗
PubMed1989

[A case of Caffey-Silverman syndrome].

The authors reported the diagnostic difficulties in the case of Caffey-Silverman's syndrome in 5-months-old infant. The osseous changes of hyperostosis cortical type disclosed in the reported case were limited only to mandible and disappeared after 8 months of first clinical manifestations.

Female↗
PubMed1986

Optimal allocation of energy to growth and reproduction.

The optimal allocation of energy to growth and reproduction is considered for three different cases, i.e., a single reproduction (semelparity), reproduction through repeated discrete clutches, and continuous reproduction. The problem reduces to optimizing age and size at maturity. The best strategy is to continue growth until the change of production rate with respect to increasing body size, multiplied by life expectancy for those attaining adulthood and reproducing successfully, is greater than one. The time at which semelparous species reproduce may also be optimized; for the other modes of reproduction only physiological factors or seasonality can limit the maximum age. A brief growing season or high mortality rate are factors leading to early maturity and small adult body size.

Animals↗
PubMed1982

Influence of the male on provoked ovulation in immature female mice.

Acceleration of ovulation in juvenile females by exposure to the male and injection of gonadotrophins was investigated. The male-induced ovulation in CBA/kw and outbred females was observed only after injection of PMSG. Exposure to the male and injection of HCG did not evoke this effect. Our results indicated that the presence of a male stimulates LH release from the pituitary of juvenile females. Pheromonal reaction of the females was affected by the age and body weight of the tested animals. Most sensitive were females of CBA/kw strain 21-day-old, outbred 21-day-old, 10.0-12.0 g and 24-day-old, 7.5-9.5 g.

Animals↗