A single sample of stem cells could, he reckons, yield 20,000 tonnes of "cultured beef".
A single sample of stem cells could produce 20,000 tonnes of "cultured beef", enough to make 175m quarter-pounders that would otherwise require 440,000 cattle to be slaughtered.
Samples of stem fragments were purchased from vendors, identified to probable species and their stem diameter size class distributions determined using a specially designed size class chart.
The main activities preformed related to the destructive approach were the estimation of dry mass of wood samples of stem, branches and foliage followed by the estimation of BEF.
The mean Mf was however significantly increased (p = 0.029, Mann-Whitney) for cauda spermatozoa derived from B[a]P-exposed stem cell spermatogonia (47.7±7.1×10−6, n = 4), compared to corn oil treated age-matched samples of stem cell spermatogonia (22.5±4.0×10−6, n = 4; Figure 3, Table 1).
Samples of stem wood including mature phloem, cambium, developing xylem and mature wood were collected from 10 selected pine trees every 10 days over the entire vegetation season.
Samples of stem apices, young and expanded leaves were studied using standard techniques, including light microscopy and scanning and transmission electron microscopy.
In this study, we have applied growth kinematic profiling (GKP) to a series of individual Arabidopsis inflorescence stems as described in Hall and Ellis (2012) [ 15], and used the resulting growth rate profiles to generate pooled samples of stem tissue that accurately represent four discrete growth stages along the cell wall expansion developmental continuum.
Samples of stems and leaves were separated and frozen in liquid nitrogen for further analysis.
We collected samples from 13 different organs and tissues at various developmental time points, including buds and leaves at various developmental stages and tissue samples of stems, flowers, seeds, and roots.
Within tumors of optic tract and hypothalamus there was also a sample of brain stem PA, which presented a low correlation of gene expression with the supratentorial cases (r = 0,4).
