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Solution

Definition

noun, plural: solutions

(chemistry)

A type of homogenous mixture in which the particles of one or more substances (the solute) are distributed uniformly throughout another substance (the solvent).


Supplement

A solution typically consists of the dissolved material called the solute and the dissolving agent called the solvent. A common example is sugar (the solute) dissolved in water (the solvent).


Word origin: Middle English, from Old French, from Latin solūtiō, solūtiōn-, from solūtus, past participle of solvere, to loosen.

Related forms: solutional (adjective).
Related phrases: volumetric solution, aqueous solution, salt solution, locke-ringer solution, geys solution, dakins solution, solution of continuity, lactated ringers solution, langes solution, weigerts iodine solution.

Compare: colloid, suspension.
See also: solute, solvent.


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Re: 2.5 M glycine crystallized

It's normal for some things to crystallize out of aqueous solution, especially at reduced temperatures. Apparently glycine is such a molecule. Storage at room temperature might prevent the crystallization, but you might also get microbial growth if there ...

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by jonmoulton
Fri Jun 20, 2014 2:45 pm
 
Forum: Molecular Biology
Topic: 2.5 M glycine crystallized
Replies: 1
Views: 637

2.5 M glycine crystallized

I made a solution of 2.5 M glycine in water and filtered through 0.22 um stored at 4 C. After 2 months in storage, I noticed large clear crystals in my solution. Is this normal? How do I prevent this from happening? Thanks.

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by labstud4
Thu Jun 19, 2014 10:28 pm
 
Forum: Molecular Biology
Topic: 2.5 M glycine crystallized
Replies: 1
Views: 637

Newbie question about the first life

... which is halfway between a homogeneous and a heterogeneous mixture, as explained in elementary chemical textbooks. In a colloidal solution the dissolved particles are larger than those in a true solution. The concentration of dissolved polymers in the globulets is higher than in ...

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by piscilactovegetarian
Fri Feb 28, 2014 12:10 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 9424

The effect of ethanol on peroxidase activity

1) alcohole does denature proteins, but at higher concentrations 2) you added the ethanol to yest, not to proteins 3) what was in that solution? Was it some growth medium or was it just water/buffer/whatever?

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by JackBean
Mon Feb 17, 2014 12:43 pm
 
Forum: General Discussion
Topic: The effect of ethanol on peroxidase activity
Replies: 1
Views: 898

The effect of ethanol on peroxidase activity

Hi! I'm wondering if anyone knew why by increasing ethanol concentration in a 10mL solution mixed with yeast, a greater amount of oxygen was produced? So peroxidase activity increased when i increased ethanol concentration in my lab. I thought it was suppose to be ...

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by wayne2824
Fri Feb 14, 2014 10:44 pm
 
Forum: General Discussion
Topic: The effect of ethanol on peroxidase activity
Replies: 1
Views: 898
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