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Umol

Definition

A variant of µmol, which is the symbol for micromole.


Supplement

Word origin: Derived from the similarity between the letter u and the Greek letter µ.


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Calculate the rate of sugar uptake question.

Calculate the rate of sugar uptake in umol/g yeast/min for D-Glucose. Ab 520 nm D-Glucose Time: 0 is 0.911 Time: 30 min is 0.345 Sugar uptake. 2.9 mL Kphos buffer pH 7.5 1 mL yeast suspension 0.1 mL 50 mM sugar

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by revision
Wed Mar 20, 2013 6:36 pm
 
Forum: Molecular Biology
Topic: Calculate the rate of sugar uptake question.
Replies: 1
Views: 1184

Re: Urgent help preparing cycloheximide (CHX)

... However, regarding your second question, you cannot add 300 uM of something, because it's the unit of concentration, so you can either add 300 umol or some volume of 300 uM solution or some volume of some solution, so that you will have 300 uM concentration. What's your choice?

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by JackBean
Mon May 23, 2011 8:08 am
 
Forum: General Discussion
Topic: Urgent help preparing cycloheximide (CHX)
Replies: 6
Views: 6413

calculate the mole of substrate in assay

well, the concentration is 20× higher than K_M, so I would assume that the reaction procceds with speed of V_lim, that is 0.1 umol/min/1(ug/ml) what should make it 100 nmol for 1) :-/

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by JackBean
Sat Jun 19, 2010 5:51 pm
 
Forum: General Discussion
Topic: calculate the mole of substrate in assay
Replies: 3
Views: 2270

Why the pH value decreased seriously in my algal culture?

perhaps the glucose decomposed into acid, but under the much stronger irradiance of 800 umol.m-2.s-1, the effects of pH decrease have been canceled by stronger photosynthesis.

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by wujuan
Tue Jan 05, 2010 10:46 am
 
Forum: Botany Discussion
Topic: Why the pH value decreased seriously in my algal culture?
Replies: 1
Views: 2797

Quantifying DNA Damage via Radiation.

... very different ways. One article discusses SSB/bp/Gy (single stranded breaks per base pair per gray), and a couple others discuss yeilds of SSB in umol/J (micromoles per Joule). I've made an attempt to find a way to convert between the two methods so I can actually compare the values, but I'm stumped. ...

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by ishy
Thu Nov 26, 2009 6:19 pm
 
Forum: Molecular Biology
Topic: Quantifying DNA Damage via Radiation.
Replies: 0
Views: 1043
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