Can thiol compounds be used as biomarkers of aquatic ecosystem contamination by cadmium? [0.03%]
硫醇化合物可作为水生生态系统镉污染的生物标志物吗？
Jana Kovářová,Zdeňka Svobodová
Jana Kovářová
Due to anthropogenic activities, heavy metals still represent a threat for various trophic levels. If aquatic animals are exposed to heavy metals we can obviously observe considerable toxicity. It is well known that an organism affected by ...
Some food toxic for pets [0.03%]
一些宠物禁食的食物
Natália Kovalkovičová,Irena Sutiaková,Juraj Pistl et al.
Natália Kovalkovičová et al.
According to world statistics, dogs and cats are the species that owners most frequently seek assistance with potential poisonings, accounting 95-98% of all reported animal cases. Exposures occur more commonly in the summer and in December ...
Pavel Suchý,Eva Straková,Ivan Herzig et al.
Pavel Suchý et al.
From the toxicological point of view, in the last two years melamine and cyanuric acid have become matters of great interest. These substances, especially melamine, have been abused during food and feed adulteration by increasing the conten...
Cholinesterase based amperometric biosensors for assay of anticholinergic compounds [0.03%]
用于抗胆碱药物检测的胆碱酯酶安培生物传感器
Miroslav Pohanka
Miroslav Pohanka
Biosensors are analytical devices being approachable for multiple analytes assay. Here, biosensors with intercepted acetylcholinesterase (AChE) or butyrylcholinesterase (BChE) are presented as tool for assay of anticholinergic compounds suc...
Incidence of animal poisoning cases in the Czech Republic: current situation [0.03%]
捷克共和国动物中毒病例的发生情况：现状分析
Helena Modrá,Zdeňka Svobodová
Helena Modrá
This article reports the most frequent cases of poisoning in farm animals, horses, cats, dogs, wild animals, fish and honey-bees in the Czech Republic. At present, there are fewer cases of acute poisoning caused by high doses of toxic subst...
Petr Dvořák,Michal Zďárský,Katarína Beňová
Petr Dvořák
The meaning of alternative biotests is described and discussed. The paper also deals with the possible application of the developmental studies of the sea Artemia franciscana nauplinus. Five-day biotests including the validation criteria ar...
REACH - an overview [0.03%]
REACH 概览
Rostislav Cihák
Rostislav Cihák
An outline of the new European policy in the management of chemicals is given. This new system is known under the acronym REACH which stands for Registration, Evaluation and Authorisation of Chemicals. The background, objectives, requiremen...
Luděk Bláha,Pavel Babica,Blahoslav Maršálek
Luděk Bláha
Cyanobacterial blooms in freshwaters represent a major ecological and human health problem worldwide. This paper briefly summarizes information on major cyanobacterial toxins (hepatotoxins, neurotoxins etc.) with special attention to microc...
Mojmír Mach,Michal Dubovický,Jana Navarová et al.
Mojmír Mach et al.
The important role of equilibrium of environmental factors during the embryo-fetal period is undisputable. Women of reproductive age are increasingly exposed to various environmental risk factors such as hypoxia, prenatal viral infections, ...
Genotoxic mechanisms for the carcinogenicity of the environmental pollutants and carcinogens o-anisidine and 2-nitroanisole follow from adducts generated by their metabolite N-(2-methoxyphenyl)-hydroxylamine with deoxyguanosine in DNA [0.03%]
环境污染物及致癌物邻甲氧基苯胲和2-硝基茴香醚的代谢产物N-(2-甲氧基苯基)羟胺与DNA中的脱氧鸟苷形成加合物所致的遗传毒性机制可解释其致癌性
Marie Stiborová,Karel Naiman,Markéta Martínková et al.
Marie Stiborová et al.
An aromatic amine, o-anisidine (2-methoxyaniline) and its oxidative counterpart, 2-nitroanisole (2-methoxynitrobenzene), are the industrial and environmental pollutants causing tumors of the urinary bladder in rats and mice. Both carcinogen...