POLYCYCLIC AROMATIC HYDROCARBONS
(PAHs)
Adéla Majerová
Faculty of Science, Masaryk University, Brno
5th January 2012

•General characteristic
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•Examples of PAHs
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•Level of contamination in the CR
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• Transformation
•Transformation
•Conjugation
•Compartmentation
•
Outline

cigaretka.jpg
General characteristic
•atmospheric pollutants
•fused aromatic rings
•lipophilic
•production- incomplete combustion of  carbon compounds → transport, industry
doprava.jpg prumysl.jpg gril.jpg

Examples of PAHs
of-polycyclic-aromatic.gif


•low number of measurements
•BaP 1 ng/m3
•31 stations
Level of contamination in the CR
BaP.jpg

•in plants, animals
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•complex process
•Transformation
•Conjugation
•Compartmentation
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•
»           detoxication
•result
– formation more carcinogenic  compounds
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Transformation
kytka.gif

•complex process
•Transformation
•Conjugation
•Compartmentation
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•mitochondria, endoplasmic reticulum
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•oxidation
•hydrophylic substance – non-toxic
•epoxy – dangerous → DNA
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•
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•complex process
•Transformation
•Conjugation
•Compartmentation
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•   reactions with endogenous compounds
    (carbohydrates, amino acids and glutathione)
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KONJUGAČKA.jpg

•complex process
•Transformation
•Conjugation
•Compartmentation
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•   animals – exclusion
•   plants – usually vacuole, cell wall
vakuola.png

•persistant organic pollutants
•carcinogenic, mutagenic, teratogenic
•fused aromatic rings
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•transformation
•Transformation
•Conjugation
•Compartmentation
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Summary

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•Thank you for your attention
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