from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The process in which mixtures are separated using the centripetal force generated by spinning in a centrifuge
from the GNU version of the Collaborative International Dictionary of English
- n. the process of separating substances by the use of a centrifuge.
from The Century Dictionary and Cyclopedia
- n. The driving of anything from the center or circumference; specifically, the separation of two immiscible liquids of different densities, or of suspended solid particles from a liquid, by the use of a centrifuge or centrifugal machine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the process of separating substances of different densities by the use of a centrifuge
Sorry, no etymologies found.
Motile sperm were isolated by Percoll centrifugation, the total RNA extracted and verified using sperm-specific RT-PCR.
“Was the RNA degraded in the centrifugation step?”
I'm in the midst of a 3.5 hour centrifugation, so I figured I might as well do follow up on her tag.
Recently, simplified ion-exchange column chromatography methods (commonly termed a mini-prep) have largely supplanted the cumbersome and time-consuming centrifugation protocol to yield large quantities of endotoxin-free plasmid DNA in a relatively short period of time.
The bacterial culture is concentrated by centrifugation and disrupted by lysis with an alkaline detergent solution containing enzymes to degrade contaminating RNA.
For many years, the method of choice for supercoiled plasmid and virus DNA purification was cesium chloride density gradient centrifugation in the presence of an intercalation agent (such as ethidium bromide or propidium iodide).
Alcohol (isopropanol) precipitation concentrates the eluted plasmid DNA, which is collected by centrifugation, washed, and redissolved in buffer.
Had he done so he would have heard Pawelczyk talk about centrifugation and countermeasure research needed in that area.
UNFILTERED: A wine that has been bottled without exposure to any type of centrifugation, cold stabilization, or filtration through membrane or cellulose pad filters is said to be an unfiltered wine.
Turbinado was raw sugar partly washed of its molasses coat during the centrifugation, also yellow-gold and large but not as sticky as demerara.