Organochlorine concentrations, reproductive physiology, and immune function in unique populations of freshwater Atlantic stingrays (Dasyatis sabina) From Florida’s St. Johns River. Chemosphere 63:1506 ...

INTRODUCTION. Brazil is a country with more than 8,500km of coastline and the largest freshwater system in the world, with a diverse aquatic fauna capable of causing lesions and/or intoxications in ...

The pyran ring is a very common structural unit of many natural, bioactive molecules that are widely found in plants, bacteria, and fungi. However, the enzymatic processes by which many of these pyran ...