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Nicotine

nicotine

(Science: drug) A plant alkaloid from tobacco, blocks transmission at nicotinic synapses. An alkaloid poison that occurs in tobacco; used in medicine and as an insecticide.An [[alkaloid substance found in [[tobacco.


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Re: Molecules entering the bloodstream from skin absorption

Hydrophobic substance does get through skin, that how a lot of medications work, Eg, Nicotine, and Nitroglycerin for heart attacks, Similarity a lot of toxins work the same way (seen them in action thrillers) , Does that help?

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by david23
Sat Jul 14, 2012 1:07 am
 
Forum: Human Biology
Topic: Molecules entering the bloodstream from skin absorption
Replies: 2
Views: 13538

Molecules entering the bloodstream from skin absorption

... is delivered in skin patches so seems if the molecules are small enough in essential oils it would work but I have never heard of putting a nicotine patch on the sole of your foot for quick absorption!

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by watermelonstand
Wed Jul 11, 2012 11:42 pm
 
Forum: Human Biology
Topic: Molecules entering the bloodstream from skin absorption
Replies: 2
Views: 13538

Maximum Life Span of Animals, Fishes and Birds.

... and the bodies of animals to gradually weaken and ultimately fail. Free radicals can also be the result of excessive UV exposure and toxins, like nicotine, tar, pesticides, pollution, and natural toxins found in our bodies and in food. As free radicals are essentially just oxygen atoms missing ...

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by Squirrell
Wed Feb 15, 2012 2:07 am
 
Forum: Zoology Discussion
Topic: Maximum Life Span of Animals, Fishes and Birds.
Replies: 9
Views: 7937

Re: Nicotine and caffeine

The parasitic insects are repelled, animals and humans are addicted. Both effects increase the fitness of the plant. Insects cannot destroy the plant, but animals eating the seeds propagate the plant. Animals do not destroy the seeds, they pass through the animal and are planted (along with some goo...

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by Rap
Sun Jan 23, 2011 6:40 pm
 
Forum: General Discussion
Topic: Nicotine and caffeine
Replies: 2
Views: 1203

Nicotine and caffeine

To all the plants in the Nightshade family that contain nicotine it serves as a pesticide, a deterrent to herbivores and insects that would like to munch on it. Yet nicotine also has addictive properties. Why would some plants, on the basis of survival, ...

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by Pillowpants
Sat Jan 22, 2011 10:30 pm
 
Forum: General Discussion
Topic: Nicotine and caffeine
Replies: 2
Views: 1203
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