Other subjects explored include hydrogen bonding effects on the photochemistry of chromophores in solution, photochemical generation of silicon-centered radicals and their reactions, and photochemical processes at the air-water interface of atmospheric droplets.
Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class of psychoactive drugs. It is the world's most widely consumed psychoactive drug, but unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world.
BRAND NAMES: none. DRUG CLASS AND MECHANISM: Codeine is a narcotic pain-reliever and cough suppressant similar to morphine and hydrocodone.Moreover, a small amount of codeine is converted to morphine in the body.RAND NAMES: none. DRUG CLASS AND MECHANISM: Codeine is a narcotic pain-reliever and cough suppressant similar to morphine and hydrocodone. Moreover, a small amount of codeine is converted to morphine in the body.