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phase separation

(Science: chemistry) The separation of fluid phases that contain different concentrations of common components.

Occurs with partially miscible solvents used in many biochemical separation methods. Also temperature dependent phase separation occurs with some detergent solutions. With reference to membranes means the segregation of lipid components into domains that have different chemical composition.

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Basic Knowledge about DNA Extraction

... and centrifuged, the proteins will remain in the organic phase and can be drawn off and the DNA will be found at the interface between the two phases. Finally, the presence of DNA can be confirmed by electrophoresing on an agarose gel or another fluorescent dye that reacts with the DNA, and ...

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by 2444256703
Thu Jan 22, 2015 8:56 am
Forum: Genetics
Topic: Basic Knowledge about DNA Extraction
Replies: 0
Views: 792

New theory of evolution

... t., birds 9350, mammals 4630. Moreover the same conception describes evolution on higher levels, Mega (whole biological evolution) and Giga (three phases of gigaevolution) - see diag 2. Gradual changes on these levels can - in a greater temporal scale - show differentiation. In reference to biological ...

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by SystemRGB
Fri Nov 14, 2014 11:45 pm
Forum: Evolution
Topic: New theory of evolution
Replies: 0
Views: 854


... inhalation, and another during exhalation. Avian lungs as I stated before are unidirectional because 'air flows in one direction', ie during both phases of respiration. For what it's worth, I didn't decide to classify them this way, biologist's did.

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by NMLevesque
Wed Nov 20, 2013 10:10 pm
Forum: General Discussion
Topic: Are bidirectional lungs essential for human speech?
Replies: 3
Views: 3456

My “Eureka” moment. A cure for cancer.

... an educated interest in such matters. Approach and method One type of biological agent and 3 types of drugs are utilised in 2 distinct treatment phases, perhaps with an intermission between phase 1 and phase 2 of the treatment to review that the goals of phase 1 treatment have been reached before ...

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by PeterDow
Fri Oct 25, 2013 12:14 am
Forum: Human Biology
Topic: My “Eureka” moment. A cure for cancer.
Replies: 9
Views: 19776

Mitosis and meiosis!

Which phases of meiosis are different from mitosis?

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by Loren4
Thu Dec 06, 2012 10:16 pm
Forum: Cell Biology
Topic: Mitosis and meiosis!
Replies: 3
Views: 5092
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