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The Chemistry of Drugs in Forensic Science | The Chemistry of Drugs in Forensic Science | ||
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| + | What does the term DRUG mean | ||
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| + | Drugs vs. Medicines | ||
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| + | Drugs - Natural or synthetic compounds potentially used for physiological and psychological effects. | ||
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| + | Medicinal Uses - to correct or help some physiological or psychological problem | ||
| + | Drug Abuse - chemicals used/taken for purposes for which they were never intended. | ||
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| + | Metabolic Poisons affect Biochemical Mechanisms. Examples of this class of poisons | ||
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| + | Carbon Monoxide (Gas) - colorless, odorless, toxic - suicide or homocide. | ||
| + | Binds to iron in hemoglobin and only very slowly is released - displacing oxygen - Carboxyhemoglobin is 140 time more stable than oxyhemoglobin | ||
| + | Breathing 0.1% CO in air for 4 hours converts 60% of hemoglobin to carboxyhemoglobin! | ||
| + | CO produced by incomplete combustion - 200 million tons in US annually | ||
| + | Not a cumulative poison (given time, the free hemoglobin is released) | ||
Revision as of 11:00, 13 July 2010
The Chemistry of Drugs in Forensic Science
What does the term DRUG mean
Drugs vs. Medicines
Drugs - Natural or synthetic compounds potentially used for physiological and psychological effects.
Medicinal Uses - to correct or help some physiological or psychological problem
Drug Abuse - chemicals used/taken for purposes for which they were never intended.
Metabolic Poisons affect Biochemical Mechanisms. Examples of this class of poisons
Carbon Monoxide (Gas) - colorless, odorless, toxic - suicide or homocide. Binds to iron in hemoglobin and only very slowly is released - displacing oxygen - Carboxyhemoglobin is 140 time more stable than oxyhemoglobin Breathing 0.1% CO in air for 4 hours converts 60% of hemoglobin to carboxyhemoglobin! CO produced by incomplete combustion - 200 million tons in US annually Not a cumulative poison (given time, the free hemoglobin is released)
