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

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Formation of Cl- during photocatalytic degradation od 6-CNA

UV-Vis spectrophotometry

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

GC-FID, ECD

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GC Chromatogram of Chlorpyrifos and chlorpyrifos-oxon

GC-MS

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Mass spectra of chlorpyriphos

HPLC-DAD

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HPLC chromatogram of imidacloprid

TOC

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Mineralization degree of 6-CNA

Toxicity with Vibrio fischeri

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Toxicity monitoring during photodegradation of 6CNA

FIA-AChE-TLS

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Photocatalytic degradation of chlorpyrifos – degradation and toxicity curves

Effects

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Chemicals

Pesticides

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

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Chemical structure of diazinon

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Chemical structure of chlorpyrifos

Neonicotinoids (imidacloprid, acetamiprid)

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Chemical structure of imidacloprid

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Chemical structure of acetamiprid

Chlorantraniliproles (chlorantraniliprole)

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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

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Chemical structure of IMP

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Chemical structure of TCP

6-chloronicotinic acid, degradation product of imidacloprid and acetamiprid

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Chemical structure of 6CNA

statins (pravastatin, lovastatin, simvastatin)

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UV-filters

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

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BP-3, BP-4

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DHHB