defined medium


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defined medium

In bacteriology, a medium in which the composition is accurately defined and carefully controlled. One use of this culture medium is to investigate the influence of altering ingredients on bacterial cell growth characteristics.
See also: medium

defined medium

a growth MEDIUM of which all the constituents are known.
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Influence of epidermal growth factor and transforming growth factor-alpha on in vitro maturation of cumulus enclosed bovine oocytes in defined medium.
72 U mL-1) obtained in fermentation using defined medium indicated that the presence of simple sugars and compounds which can be utilized easily by the bacterium would enhanced the cell built-up with high ability to express the gene for xylanase production.
However, a more defined medium often resulted in extended cell adaption times, reduced growth rates and decreased product titres, all of which negatively impacted on manufacturing costs.
To determine if these cells could give rise to differentiated inner ear cell types, growth factors were withdrawn and culture was continued in a defined medium.
Data will specifically be presented in a poster titled, "Synthetic Peptide-Acrylate Surfaces for Long-Term Self-Renewal and Cardiomyocyte Differentiation of Human Embryonic Stem Cells in Defined Medium.
Birth of piglets derived from porcine zygotes cultured in a chemically defined medium.
Bovine blastocysts development after in vitro maturation in a defined medium with epidermal growth factor and low concentrations of gonadotropins.
The resulting pellet was diluted in 5 mL of modified defined medium (mDM) [12,18,19] and then centrifuged at 1400 rpm for 5 min.