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3 (100), 2021


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Edition of the journal is supported partially by the grant of the Fogarty International Center (FIC) of the National Institute of Health and Illinois University, Chicago.

JOURNAL

ISSN 2077-7477 (Print)
ISSN 2077-7485 (Online)

A journal "Dovkillia ta zdorovia" (Environment & Health) publishes the articles on the problems in the field of medical ecology, hygiene, health protection and ecological safety.

Founder of the Journal:
State Institution "O.M. Marzeiev Institute for Hygiene and Medical Ecology of the National Academy of Medical Sciences of Ukraine"

Frequency of publication:
quarterly

Environment & HealthISSN: 2077-7477 eISSN: 2077-7485
No: 3 (79)   -   2016   -   Pages: 37-41
Isolated and combined effect of lead nanoparticles and lead acetate with sodium and potassium stearates at peroral intake into organism
Kondratiuk V.A.1, Fedoriv O.Ye.1, Lototska O.V.1
1 SHEI " Ternopil State I.Ya. Horbachevskyi Medical University of the Ministry of Public Health of Ukraine"

: 613.32-099 : 546.32/33-06 : 612.06]-092.9

ABSTRACT:
Objective. We studied a character of isolated and combined effect of lead nanoparticles and lead acetate with sodium and potassium stearates under conditions of their intake with drinking water into organism.

Materials and methods. We used hygienic, toxicological, biochemical, morphological, hematological and statistical methods (Student t-test, Mann-Whitney test), correlation analysis, divisional and additive options for the calculation of the coefficient of joint effect in terms of central tendency, variability and assessments of probability after M.Yu. Antomonov.

Results. Under conditions of acute sanitary-and-toxicological experiment LD50 of lead acetate and lead nanoparticles was established to manifest a similar toxicity, to be at the level of 294.0 (242.0 ÷ 346.0) mg / kg (toxicity grade 1) and to have a pronounced capacity for cumulation (CI = 0.7).
Maximum non-affecting concentration was ascertained to be equal to 0.006 mg/dm3, adjusted for the grade of toxicity - 0.0006 mg/dm3. A tentatively safe level for potassium stearate is 0.25 mg/dm3, for sodium stearate - 0.16 mg/dm3 on the basis of general sanitary hazard sign at the control of water quality for domestic-drinking and cultural-and-residential use.
The combined effect of nanoparticles and lead acetate at the peroral use of drinking water with sodium and potassium stearates causes leukocytosis, accelerated maturation of myeloid series of cells in a bone marrow of rats and arrest of their release into peripheral blood due to inefficient cell division pronounced vascular disorders in liver, dystrophic, necrobiotic changes of hepatocytes, connective tissue cells, stromal cell infiltration. Less pronounced changes in the test body structure took place at the combined effect of lead acetate with sodium stearate.

KEYWORDS:
ead nanoparticles, lead acetate, sodium stearate, potassium stearate, combined effect, isolated effect.
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