supernatant

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supernatant

 [soo″per-na´tant]
the liquid lying above a layer of precipitated insoluble material.

su·per·na·tant flu·id

clear fluid that, after the settling out of an insoluble liquid or solid by the action of normal gravity or of centrifugal force, takes up the upper portion of the contents of a vessel.

supernatant

/su·per·na·tant/ (-na´tant) the liquid lying above a layer of precipitated insoluble material.

supernatant

[-nā′tənt]
Etymology: L, super + natare, to swim
1 adj, situated above or on top of something.
2 n, the clear upper liquid part of a mixture (a liquid and a solid) after it has been centrifuged.

supernatant

Floating on the surface.

supernatant

the clear liquid above a precipitate which has settled out.

supernatant

the liquid lying above a layer of precipitated insoluble material.
References in periodicals archive ?
We used the following formula to calculate the copy numbers of SARS-CoV RNA in different components including the supernatant (S), the mucus-associated (M), and the cell-associated (C) components in the 5-mL throat wash, which was the starting volume in our fractionation experiment.
The lowest quantifiable concentrations of Trp and Kyn determined in supernatants of cell cultures with this HPLC method were similar to those for plasma.
After overnight growth, Candida cell suspensions were centrifuged (6,000 x g for 8 min), and the supernatant was collected, then concentrated by using a Centricon 10,000 NMWL filter centrifuge (Millipore Corp.
The supernatant was incubated with 10 [micro]L (20 [micro]g) of an agarose-conjugated polyclonal GR antibody or a control IgG antibody (Santa Cruz Bioreagents, Santa Cruz, CA).
3224585) was also cultured for 20 h with and without LPS, and cell-free tissue culture supernatants were tested for TNF[alpha] (R&D Systems) and IL-6 (BioSource International) by immunoassay.
This approach was adopted for documenting the EBV DNA concentration in the plasma and washing supernatants derived in the clean-up study.
A nested RT-PCR developed by Lanciotti (6) was used to analyze plasma and viral culture supernatants from 15 febrile patients.
The viral RNA was extracted from the infected cell culture supernatants, and the VP1-specific fragment was amplified by RT-PCR with the 188/222 primer pairs.
The supernatants were first analyzed by direct injection using the MS/MS method described by Stevens et al.