Laboratorij za vede o okolju in življenju

Organske snovi v okolju: spremljanje, pretvorbe in učinki

Our research is focused on identification and fate, transformations and effects of different chemicals in the environment, and on different techniques for their removal for different environmental compartments.

Identification and fate

IC – ion chromatography


Formation of Cl- during photocatalytic degradation od 6-CNA


UV-Vis spectrophotometry


Absorption spectra for the oxygenated solution of IMP upon excitation at 254 nm for 30 minutes


GC-FID, ECD


GC Chromatogram of Chlorpyrifos and chlorpyrifos-oxon


GC-MS


Mass spectra of chlorpyriphos


HPLC-DAD


HPLC chromatogram of imidacloprid


TOC


Mineralization degree of 6-CNA


Toxicity with Vibrio fischeri


Toxicity monitoring during photodegradation of 6CNA


FIA-AChE-TLS


Photocatalytic degradation of chlorpyrifos – degradation and toxicity curves


Effects

Chemicals

Pesticides

Organophosphorous OP (chlorpyrifos, diazinon, malathion, azynphos-methyl)

Chemical structure of diazinon

Chemical structure of chlorpyrifos


Neonicotinoids (imidacloprid, acetamiprid)

Chemical structure of imidacloprid

Chemical structure of acetamiprid


Chlorantraniliproles (chlorantraniliprole)

Pesticides transformation products

2-isopropyl-6-methyl-4-pyrimidinol (IMP), degradation product of OP diazinon
3,5,6-trichloro-2-pyridinol (TCP), degradation product of OP chlorpyriphos

Chemical structure of IMP

Chemical structure of TCP


6-chloronicotinic acid, degradation product of imidacloprid and acetamiprid

Chemical structure of 6CNA

statins (pravastatin, lovastatin, simvastatin)

UV-filters

benzophenones (BP-3, BP-4, diethylaminohydroxybenzoyl hexylbenzoate-DHHB)

BP-3, BP-4

DHHB