General
Information
- The letters "DDT"
stand for dichloro-diphenyl-trichloro-ethane.
- DDT is an
insecticide used to control insect-borne diseases.
-
Dichlorodiphenyltrichloroethane (DDT) is a organochlorine
contact insecticide that kills by acting as a nerve poison.
- DDT is an
organochlorine, similar in structure to the insecticide
methoxychlor and the acaricide dicofol.
- DDT is available
in several different forms: aerosols, dustable powders,
emulsifiable concentrates, granules and wettable powders.
Process
- DDT is created by
the reaction of trichloromethanal with chlorobenzene (C6H5Cl).
- A screening-level
assessment was conducted to characterize the level of impact
that would result from 0.1% DDT contamination in the dicofol
product formulations.
- Specific binding
sites for DDT and cis-permethrin have been detected in the
central nervous system of the tobacco budworm, Heliothis
virescens (F.). and its predator, Chrysopn carnea Stephens.
- To development an
immunodetection method for DDT,
1,1,1-trichloro-2,2-bis(4-chorophenyl)ethane (p,p’- DDT) and its
metabolites five derivatives of DDT haptens have been
synthesised and characterized as coating ligands for antibody
evaluation.
Application
- Dicofol - the
active ingredient being a mixture of approximately 80%
p,p’-dicofol and 20% o,p’-dicofol - is produced by hydroxylation
of DDT as emulsifiable concentrate and wettable powder
formulations.
- The World Health
Organization issued a position statement promoting the use of
indoor residual spraying (IRS) with
dichlorodiphenyltrichloroethane (DDT) for malaria vector control
in epidemic and endemic areas.
Technology
- A novel technique
has been used for detection of the organochlorine insecticide
compound dichlorodiphenyltrichloroethane (DDT) by measuring the
nanometer-scale bending of a microcantilever produced by
differential surface stress.
- A novel technique,
high temperature headspace liquid-phase microextraction (HS-LPME)
with room temperature ionic liquid (RTIL), 1-butyl-
3-methylimidazolium hexafluorophosphate ([C4MIM][PF6]) as
extractant, was developed for the analysis of
dichlorodiphenyltrichloroethane (p,p -DDTand o,p -DDT) and its
metabolites.
- An improved
activated carbon technique using dichloromethane instead of
chloroform, and slower leaching rate of 15 mL/min to quantify
DDT and its metabolites in surface water.
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