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End-tidal sample

End-tidal sample

a sample of the last gas expired in a normal expiration, ideally consisting only of alveolar gas.


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Questions about DNA dialysis

Hi, sample loss would be a technical thing about he gizmo you bought. If you are not near the size cut off there shouldn't be much loss, I'd think, except the bit of volume stuck in the gizmo if you have small volumes, and perhaps ...

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by biomart
Wed Mar 11, 2015 7:43 am
 
Forum: Bioinformatics
Topic: Questions about DNA dialysis
Replies: 1
Views: 313

Re:

... that Asians scored 6 points ahead due to their lower and unrepresented sample of selected subjects and higher visuospatial intelligence, but very ... often neglected by researchers, making IQ tests less credible. in the end, the way one is raised and their level of nourishment and nurture are ...

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by Seth90210
Wed Feb 25, 2015 2:37 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 334236

Brain size=IQ level theory (Blacks vs Whites & Asians)

... that Asians scored 6 points ahead due to their lower and unrepresented sample of selected subjects and higher visuospatial intelligence, but very ... often neglected by researchers, making IQ tests less credible. in the end, the way one is raised and their level of nourishment and nurture are ...

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by CandyTon
Sat Feb 07, 2015 3:24 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 334236

Questions about DNA dialysis

... Can you give me some literature hints, please? Secondly, I know my target DNA concentration, but I know dialysis can lead to dilution and sample loss. How much higher shall I choose the starting concentration? Also, how can I calculate the optimum time for dialysis, the right temperature, ...

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by protoemics
Thu Feb 05, 2015 7:56 am
 
Forum: Bioinformatics
Topic: Questions about DNA dialysis
Replies: 1
Views: 313

Basic Knowledge about DNA Extraction

... basic step of DNA Extraction is lysis of the cells or virus containing the DNA of interest, which is often done by sonicating or bead beating the sample. It has been proved that vortexing with phenol is often a effective method to break down protienacious cellular walls or viral capsids and the ...

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by 2444256703
Thu Jan 22, 2015 8:56 am
 
Forum: Genetics
Topic: Basic Knowledge about DNA Extraction
Replies: 0
Views: 790
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