28 results match your criteria: "L. I. Medved's Research Center of Preventive Toxicology[Affiliation]"

Objective: Aim: To assess the level of occupational safety, health and hygiene of healthcare workers in the terms of the COVID-19 pandemic..

Patients And Methods: Materials and Methods: bibliosemantic, bibliographic, analytical, statistical methods as well as a systemic approach have been used in the research.

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Objective: Aim: To analyze the results of the application of extracorporeal detoxification methods in the treatment of drug poisoning and their complications..

Patients And Methods: Materials and Methods: The studied data of 129 patients aged 18-46 years with severe drug poisoning treated at the Kyiv toxicological center in 2010-2020.

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The safety assessment of pinoxaden by the Joint Meeting on Pesticide Residues (JMPR) established a NOAEL of 30 mg/kg bw/day for maternal and embryo/fetal toxicity from a rabbit developmental toxicity study. However, the Pesticide Peer Review Expert meeting (EFSA) lowered the NOAEL to 10 mg/kg bw/day due to observed diaphragm malformations in one developmental toxicity study in rabbits, proposing a classification for developmental effects as Category 2 R63 or H361d. Both JMPR and EFSA set the Acceptable Daily Intake (ADI) at 0.

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The environmental health impacts of Russia's war on Ukraine.

J Occup Med Toxicol

January 2024

Department of Emergency Medicine, Division of Medical Toxicology, Mass General Brigham, Harvard Medical School, Harvard Humanitarian Initiative, Boston, USA.

Background: Russia's invasion of Ukraine in February 2022 ignited the largest armed conflict in Europe since World War II. Ukrainian government agencies, civil society organizations, and international agencies have gathered an unprecedented amount of data about the impact of war on the environment, which is often the silent victim of war. We review these data and highlight the limitations of international governance for protection of the environment during time of war.

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Objective: The aim: The study of cytomorphological and cytogenetic features of the buccal epithelium of residents of apartments who complained of unpleasant odors in their homes.

Patients And Methods: Materials and methods: The state of buccal epithelium in residents of multi-story buildings was studied. A total of 237 individuals were examined, 117 males and 120 females, aged from 6 to 81 years.

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Abamectin is a widely used pesticide and anthelmintic for humans and animals. Previous toxicological studies showed evidence of adverse effects on reproduction, but the findings were inconclusive. Abamectin is known to exhibit teratogenic activity, causing different malformations during developmental stages in rats and rabbits.

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A battery of in silico models application for pesticides exerting reproductive health effects: Assessment of performance and prioritization of mechanistic studies.

Toxicol In Vitro

December 2023

Swiss Centre for Human Applied Toxicology, University of Basel, Missionsstrasse 64, Basel 4055, Switzerland; Computational Pharmacy, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, Basel 4056, Switzerland.

Given the high attention to endocrine disrupting chemicals (EDC), there is an urgent need for the development of rapid and reliable approaches for the screening of large numbers of chemicals with respect to their endocrine disruption potential. This study aimed at the assessment of the correlation between the predicted results of a battery of in silico tools and the reported observed adverse effects from in vivo reproductive toxicity studies. We used VirtualToxLab (VTL) software and the EndocrineDisruptome (ED) online tool to evaluate the binding affinities to nuclear receptors of 17 pesticides, 7 of which were classified as reprotoxic substances under Regulation (EC) No 1272/2008 on the classification, labelling and packaging of substances and mixtures (CLP).

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Objective: The aim: A theoretical analysis of the problem of the hardiness of a person who suddenly found himself in extreme conditions and an empirical study of his individual and psychological factors that contribute to the strengthening of this personal characteristic and mobilize the internal reserve of student youth.

Patients And Methods: Materials and methods: The following psychodiagnostic methods were used in the empirical study: "Methodology for the diagnosis of hardiness" by S. Muddy, "Test for the diagnosis of properties of the nervous system" by Y.

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Objective: The aim: Scientific substantiation of the methodology for predicting the consequences of the worsening of the epidemic situation on the territory of Ukraine during military operations for the timely adoption of measures for the medical protection of military personnel in conditions of biological contamination.

Patients And Methods: Materials and methods: Determination and generalization of the impact of biological contamination due to the use of biological weapons were carried out considering the main determinants of the epidemic process using the index and coefficient of medical protection. Applied methods of scientific research: epidemiological, system, and information approach.

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Objective: The aim: Quantitative characterization of parameters of penetration of pesticides through the skin and assessment of the risk of their dermal exposure to workers using the basic provisions of diffusion theory and calculation models.

Patients And Methods: Materials and methods: The penetration coefficient was calculated using the Potts's and Guy's equation: logKp,m = -2,8 - 6,0×10-3MW + 0,74logKo/w (R2 = 0.67).

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ANTIHYPOXIC ACTIVITY OF 2,6-DIMETHYLPYRIDINE-N-OXIDE.

Wiad Lek

February 2023

L.I. MEDVED'S RESEARCH CENTER OF PREVENTIVE TOXICOLOGY, FOOD AND CHEMICAL SAFETY, MINISTRY OF HEALTH OF UKRAINE (STATE ENTERPRISE), KYIV, UKRAINE.

Objective: The aim: To study the antihypoxic activity of 2,6-dimethylpyridine-N-oxide in mice using the various experimental models of acute hypoxia under orally or intraperitoneally administration.

Patients And Methods: Materials and methods: The studies were performed on male CD-1 (SPF) mice. The antihypoxic activity of 2,6-dimethylpyridine-N-oxide was studied in three experimental models of acute hypoxia - hypercapnic hypoxia or hypoxia in a closed space, hemic hypoxia and histotoxic hypoxia at orally administration at doses 0.

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Objective: The aim: Research of personal hygiene products with detoxification properties by evaluating their formulation composition, emulsifying and complexing ability to heavy metal ions and radionuclides.

Patients And Methods: Materials and methods: The complex-forming ability of raw materials with heavy metal ions was determined in vitro, the content of heavy metals was determined by the method of atomic emission spectrometry with inductively coupled plasma (BS EN 13805:2014); determined the content of 137Cs, 232Th, 40K, 226Ra, 90Sr in washings from the surface of the skin of hands treated with personal hygiene products. The means were tested for compliance with the standard on scintillation spectrometers of gamma radiation energy «SEG-001» «AKP-S» and beta radiation (SEB-01-70); methods used: MI 12-04-099 and MI 12-05-099.

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The precise regulation of metabolism and feeding behavior is important for preventing the development of metabolic diseases. Here we examine the effects on metabolism of dietary choice. These changes are predicted to be dependent on both the quantity and quality of the chosen diet.

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The use of glyphosate-based Roundup and triazine herbicide Atrazine has increased markedly in last decades. Thus, it is important to evaluate toxic effects of these herbicides to non-targeted organisms such as zooplankton to understand their safety toward aquatic ecosystems. In the current study, we performed Daphnia toxicity tests based on lethality to identify LC that provides acute aquatic toxicity classification criteria.

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Varied nutritional interventions affect lifespan and metabolic health. Abundant experimental evidence indicates that the carbohydrate restriction in the diet induces changes to support long-lived phenotypes. Reactive oxygen species (ROS) are among the main mechanisms that mediate the effect of nutrient consumption on the aging process.

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Glyphosate-based herbicide Roundup, as the most employed herbicide used for multiple purposes in agriculture, adversely affects nontarget organisms. We tested the effects of Roundup applied at larval and adult stages. Roundup caused developmental delay and increased larvae mortality.

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Acute inhalation toxicity of aerosolized electrochemically generated solution of sodium hypochlorite.

Inhal Toxicol

May 2022

Institute of Experimental Toxicology and Medico-Biological Research, L.I. Medved's Research Center of Preventive Toxicology, Food and Chemical Safety, Ministry of Health of Ukraine, Kyiv, Ukraine.

Objective: The objective was to determine the inhalation toxicity of the electrochemically generated sodium hypochlorite solution after its single administration to laboratory animals in the form of a highly dispersed aerosol.

Materials And Methods: The study has been conducted according to the OECD Test Guideline №403 'Acute Inhalation Toxicity.' Laboratory animals were exposed to inhalation of an aerosol containing 1.

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Objective - to study the ability of 2,6-dimethylpyridine-N-oxide to modify the cytogenetic effects in mouse bone marrow cells caused by the pro-oxidant mutagen Dioxidine. The cytogenetic activity and mutagen-modifying effect of the plant growth regulator 2,6-dimethylpyridine-N-oxide (Ivin) were studied by the method of accounting for chromosomal aberrations in the bone marrow cells of CD-1 mice (males) with a single joint exposure with Dioxidine. Ivin was administered single orally in the form of an aqueous solution at doses of 710, 71, and 0.

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Aging is a biological process with effects at the molecular, cellular, tissue, organ, system, and organismal levels and is characterized by decline in physical function and higher risks of age-related diseases. The use of anti-aging drugs for disease prevention has become a high priority for science and is a new biomedicine trend. Geroprotectors are compounds which slow aging and increase lifespan of the organism in question.

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Objective - to study the ability of N-oxide-2,6-dimethylpyridine to modify the cytogenetic effects in mouse bone marrow cells caused by an alkylating antitumor cytostatic cyclophosphamide.; The cytogenetic activity and mutagen-modifying effect of the plant growth regulator N-oxide-2,6-dimethylpyridine (Ivin) were studied by the method of accounting for chromosomal aberrations in the bone marrow cells of CD-1 mice (males) with a single joint exposure to cyclophosphamide. In the first variant of the research, Ivin was administered single orally in the form of an aqueous solution at doses of 710, 71, 7.

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Since 2014, Ukraine has been beset by an armed conflict with international and internal dimensions. The nature of this conflict is multidimensional, and disaster preparedness and response in this context must be as well. Health experts from Ukraine, the United States of America, United Kingdom, Czech Republic, and Norway convened for an educational event in Dnipro, East Ukraine on November 11-15, 2019.

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Objective: Introduction: To reduce the burden of non-communicable diseases (NCDs) and premature mortality, it is necessary to influence the risks of their occurrence at all stages of life. Economically active population, which can be more at risk, is required the special attention. The aim of the study is to investigate the prevalence for risk factors of major NCDs among the economically active population of the Chernivtsi region in the example of business entities in the market.

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Objective: Introduction: Due to introduction of new forms of agriculture and transformation of the treatment and preventive service in recent years, there has been a false impression of a sharp decrease in the level of occupational morbidity among agricultural workers 30 % to 25 % in the structure of general occupational morbidity in the 80-90s down to 0.2-0.4 %.

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In Ukraine Globally Harmonized System of classification of chemicals has not been implemented yet. In this article we analyze differences between GHS/CLP classification systems and Hygienic Classification of Pesticides by the Degree of Hazard currently in force in Ukraine in respect of approach and criteria for classification of effects on skin. As a case study, we conducted in silico modelling of herbicide imazamox using skin irritation/corrosion modules of ToxTree.

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