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Glycerin

Definition

noun, plural: glycerins

A trihydric alcohol derived from saponification of fats and oils.


Supplement

For human consumption, glycerol is classified by the FDA among the sugar alcohols as a caloric macronutrient. It is used as antifreeze, a plasticizer, and a food sweetener and in the manufacture of dynamite, cosmetics etc.


Also called: glycerol or glycerine


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Green Mosquito===Photos Available

... Some say its a mutant but rare. No evidence in Asia. But its like green anopheles. Help me to find what it is. I have preserved it in 1:1 alcohol:glycerin. I need more samples to study them. If you have samples then please contact me on : sachinvch@gmail.com see http://www.biology-online.org/biology-forum/viewtopic.php?p=85449#85449

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by sachin
Sat Oct 28, 2006 10:15 am
 
Forum: Zoology Discussion
Topic: Green Mosquito===Photos Available
Replies: 53
Views: 31203

Passive Transport

... as ether, liposoluble chemicals, apolar substances (as atmospheric oxygen and nitrogen) and some polar molecules (as carbon dioxide, ethanol, glycerin, etc). Also water pass by simple diffusion (it pass by canal proteins called aquoporines) by osmosis. - Simple diffusion by regulated canal ...

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by Enzyme
Sat Jan 21, 2006 2:38 pm
 
Forum: Cell Biology
Topic: Passive Transport
Replies: 14
Views: 9039

Basic Osmotics

Hey , that example is interesting! Glycerin also has brownian motion, [ all liqids ] that turning expt, just tells that we can reverse the energitically favoured process can be reversed by providing energy of opposite sign. BUT HOW CAN THAT ...

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by 2810712
Fri Apr 08, 2005 11:12 am
 
Forum: Cell Biology
Topic: Basic Osmotics
Replies: 21
Views: 4542

Basic Osmotics

Yep! That's why they used glycerin instead of water in this expirement. But it is interesting though. Theoretically, if you could get all motion of the water to stop and have it still remain a liquid, then diffusion would not happen. ...

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by canalon
Thu Apr 07, 2005 8:50 pm
 
Forum: Cell Biology
Topic: Basic Osmotics
Replies: 21
Views: 4542

Basic Osmotics

Yep! That's why they used glycerin instead of water in this expirement. But it is interesting though. Theoretically, if you could get all motion of the water to stop and have it still remain a liquid, then diffusion would not happen. Right?

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by biostudent84
Thu Apr 07, 2005 8:44 pm
 
Forum: Cell Biology
Topic: Basic Osmotics
Replies: 21
Views: 4542
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