نتایج جستجو برای: toxic compounds

تعداد نتایج: 294368  

Journal: :FEBS letters 2007
Thierry Claudel Gaspard Cretenet Anne Saumet Frédéric Gachon

Many aspects of physiology and behavior in organisms from bacteria to man are subjected to circadian regulation. Indeed, the major function of the circadian clock consists in the adaptation of physiology to daily environmental change and the accompanying stresses such as exposition to UV-light and food-contained toxic compounds. In this way, most aspects of xenobiotic detoxification are subject...

2014
Magbubah Essack Hanin S. Alzubaidy Vladimir B. Bajic John A. C. Archer

In spite of advances in invertebrate pest management, the agricultural industry is suffering from impeded pest control exacerbated by global climate changes that have altered rain patterns to favour opportunistic breeding. Thus, novel naturally derived chemical compounds toxic to both terrestrial and aquatic invertebrates are of interest, as potential pesticides. In this regard, marine cyanobac...

2018
Magdalena Wdowin Wojciech Franus

The present paper describes the previous obtained results concerning purification of gases, water and sewages from toxic components such as mercury, radionuclides and petroleum substances. The tested materials constitute synthetic zeolites obtained in hydrothermal reaction, i.e., Na-X, Na-P1, and natural zeolite clinoptilolite. The zeolites (Na-X, Na-P1 and clinoptilolite) needed for mercury ca...

2011
Aleksander Ubysz

This study presents the proposal for calculations of overall characteristics of unit HC emissions from passenger vehicles. Inspiration for the project was derived from the author’s own research and the research works by the selected centres, both in Poland and abroad. Overall, (static) characteristics, with maps of unit emissions of HC, CO and NOx were employed as a basis. This assumption is ba...

2002

Dioxin is the name given to a group of persistent, very toxic chemicals. The group includes chlorinated dibenzofurans, and dibenzo-dioxins, the most toxic of which is 2,3,7,8 -tetrachlorodibenzo-p-dioxin (TCDD). The group also includes related compounds which are structurally similar and are dioxin-like in their activity. The toxicity of these compounds is measured against TCDD using “toxic equ...

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