Class_18_Feb_25_Chapt_8 - 5 All drugs have a half-life This...

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CHEM 001 Class 18 Class Notes February 25, 2008 C. Cecil Cuppett, Ph.D. Chapter 8: 1. Many common substances contain nitrogen. These compounds are generally called amines. The parent compound would be ammonia, NH 3 . 2. Trimethyamine, (CH 3 ) 3 -N, is the substance that smells bad in rotting fish. In fact, most amines smell bad and disgusting. Cadaverine and putrescine are compounds found in dead animals. Bad breath, urine, and semen all contain amines that cause these substances to have typical odors. 3. Important amines are neurotransmitters such as serotonin, dopamine, epinephrine (adrenaline), norepinephrine and melatonin. 4. Many drugs contain amines: Prozac, Paxil, caffeine, nicotine, cocaine, amphetamine, methamphetamine, acetaminophen (Tylenol), codeine, morphine, Demerol, and heroin.
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Unformatted text preview: 5. All drugs have a half-life. This is the time it takes the body to deactivate one-half the dose of drug administered. 6. Many useful polymers of amines have been made. These plastics are in a group called condensation polymers because there are two different monomers that have to be connected (condensed) to create the repeating unit of the polymer chain. 7. The repeating monomers are usually a diacid and a diamine. This is the case for nylon. 8. Polyesters are also condensation polymers. Many fabrics are made from polyester. Soda bottles are made from PET, poly(ethylene terephthalate). When PET is spun into fibers, the material is called Dacron....
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