The phenoxyherbiddes are commonly used in Poland. In great numbers the herbicides can reach the environment and be accumulated in living organisms. The reactions of the degradations of those herbicides may lead to create ...

The dioxins can reach the environment, can be also accumulated in living organisms and make changes in normal function of these organisms. The article is a briefly review concerns the toxity effect of dioxins on living ...

The paper presents problems concerning the evolution of haemoglobin. The main stages of Hb evolution: globin gene evolution, formation and solubility of Hb tetramer and functional Hb regulation by allosteric effectors ...

Qualitative analysis of the effect of ethylene glycol (EG) on the stability of the native structure of monomeric and dimeric methemoglobins isolated from larvae of Chironomus thummi thummi (CTT Hb) was performed by ...