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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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Results from our forum


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: 710

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: 214

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: 214

Re: centrifugation of hemocytes

Are you resuspending in a PBS solution isotonic to the cells? Lysis could explain why the cells aren't there. You could try slightly increasing the tonicity of the PBS - better to have crenated cells than lysed cells.

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by jonmoulton
Mon Jan 27, 2014 10:44 pm
 
Forum: Cell Biology
Topic: centrifugation of hemocytes
Replies: 5
Views: 631

Re: blank and substrate control give OD reads

... 3) + 250ul sodium acetate into the substrate 6) incubate @ 50oC, 4hrs in waterbath 7) centrifuge to sediment the substrate 8) pipet 100ul reaction solution and transfer to new 96 deep well plate 9) add 100ul DNS solution, incubate @ 100oC, 5min 10) pipet 100ul and transfer into multiwell plate ...

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by intandiana
Sun Jan 19, 2014 5:57 am
 
Forum: Molecular Biology
Topic: blank and substrate control give OD reads
Replies: 9
Views: 1159
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