Halogen substituents often lead to a profound effect on the biological activity of organic compounds. Flavin-dependent halogenases offer possibility regioselective halogenation at non-activated carbon atoms, while employing only halide salts and molecular oxygen. However, low enzyme activity, instability, narrow substrate scope compromise use enzymatic as an economical environmentally friendly ...

An earlier study of GC-MS analysis on bitumen samples from the Agbabu area in Western Niger Delta showed significant presence gammacerane and no Oleanane is suggested to be generated Lower Cretaceous (Neocomian) source rock, however, twelve core were obtained geological survey Nigeria for both optical geochemical biomarker analysis, two Isan-9 well indicated Botryococcus braunii a freshwater al...

The publication aims to present some knowledge about the less-known but at same time very scarce bituminous rock alginite with comprehensive practical use in form of a brief overview. Alginite is an organic-bituminous that was formed six million years ago from dead fossil algae Botryococcus braunii Kütz and diatoms area today‘s Pannonian Basin. In Europe, deposits have been discovered Hungary, ...