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Dictionary » S » Saturation

Saturation

saturation

1. The act of saturating, or the state of being saturating; complete penetration or impregnation.

2. (Science: chemistry) The act, process, or result of saturating a substance, or of combining it to its fullest extent.

3. (Science: optics) freedom from mixture or dilution with white; purity; said of colours.

The degree of saturation of a colour is its relative purity, or freedom from admixture with white.

Origin: L. Saturatio: cf. F. Saturation.


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Re: A biochemical question

... the microscopic rate constants and the amounts of enzyme and substrate/product in the system. When you add more substrate (provided you are not at saturation) you will temporarily drive the forward reaction a bit (by good old Le Chatelier's principle), generating more product. Fairly quickly, though, ...

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by blcr11
Wed Dec 24, 2008 2:43 pm
 
Forum: Molecular Biology
Topic: A biochemical question
Replies: 8
Views: 798

Re: A biochemical question

... you will transiently increase the rate of product formation until you re-establish a new steady state. Steady state is not the same thing as saturation. You are correctly describing what saturation is, but the experimental condition may not be at saturation yet. The steady state assumption ...

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by blcr11
Wed Dec 24, 2008 2:56 am
 
Forum: Molecular Biology
Topic: A biochemical question
Replies: 8
Views: 798

Re: Converting Glucose to Fat or ATP?

... to acetyl CoA which, when ATP is required, is oxidised by the citric acid cycle. If the glucose intake exceeds the body's energy needs (and after saturation of glycogen stores) the acetyl CoA can be used for fatty acid synthesis (in the liver) and storage as triglyceride in adipose tissue." ...

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by Mithril
Sat Dec 13, 2008 10:58 pm
 
Forum: Cell Biology
Topic: Converting Glucose to Fat or ATP?
Replies: 12
Views: 1837

Re: Enzyme kinetics

... in the parameters from the residual sums of squares - with a little math, anyway. Sometimes, the highest substrate concetrations (those at or near saturation levels) will give reciprocals that fall off the line. When that happens, you probably shouldn't use those data points to estimate the kinetic ...

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by blcr11
Fri Dec 12, 2008 2:59 pm
 
Forum: Molecular Biology
Topic: Enzyme kinetics
Replies: 15
Views: 3904

Line/Curve of Best Fit?

... go casting about for higher order polynomials, unless there is some mechanistic reason for it (like second order kinetics or some kind of apparent saturation phenomenon, etc.) I suspect you're going to need a few more data points if you're going to take mith's suggestion, which I also assume was ...

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by blcr11
Thu Sep 11, 2008 7:59 pm
 
Forum: General Discussion
Topic: Line/Curve of Best Fit?
Replies: 7
Views: 3245
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