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DDT and Malaria

DDT and Malaria. Petra Palíková Marcela Filipčíková. DDT. Dichlorodiphenyltrichloroethane 4,4'-(2,2,2-trichloroethane- 1,1-diyl)bis(chlorobenzene) 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane. Chemical formula: C 14 H 9 Cl 5 Molecular mass: 354.49 g/mol Melting point: 108,5 °C

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DDT and Malaria

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  1. DDT and Malaria Petra Palíková Marcela Filipčíková

  2. DDT • Dichlorodiphenyltrichloroethane • 4,4'-(2,2,2-trichloroethane-1,1-diyl)bis(chlorobenzene) • 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane

  3. Chemical formula:C14H9Cl5 Molecular mass:354.49 g/mol Melting point:108,5 °C Boiling point: 260 °C

  4. first modern pesticide and is the most well known organic pesticide • highly hydrophobic colorless solid with a weak, chemical odor • nearly insoluble in water • good solubility in most organic solvents, fat, and oils

  5. History of DDT • 1873 - DDT was originally prepared • 1939 - Paul Müller of Geigy Pharmaceutical in Switzerland discovered the effectiveness of DDT as an insecticide. • 1948 - The Swiss chemist Paul Hermann Muller was awarded the Nobel Prize for Physiology or Medicine

  6. first of the modern insecticides early in World War II • used with great effect to combat mosquitoes spreading malaria, typhus, and other insect-borne human diseases

  7. Malaria • Malaria infects between 300 million and 500 million people every year • 1 million people die from malaria every year Most of those deaths (90%) occur in Africa and mostly in children under the age of 5

  8. In many African nations, the problems resulting from malaria are viewed as greater than the potential dangers of DDT • A lot of states stopped using DDT because of harmful effects on human organism

  9. FOR Pesticide Insecticide (mosquitoes) AGAINST harmful effects for human organism mutation and illnesses for child Arguments for and against DDT

  10. effectiveness – účinnost, účinky • awarded – odměněný • combat – boj, bojovat • insect-borne – hmyzem přenášené • occur – vyskytovat se • resulting – vyplývající • harmful effect – škodlivý účinek

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