DNA fractionation by two-phase partition with aid of a base-specific macroligand

1981 ◽  
Vol 118 (1) ◽  
pp. 269-277 ◽  
Author(s):  
Werner Müller ◽  
Antonin Eigel
Keyword(s):  
Two Phase ◽  
Phase Partition ◽  
Two Phase Partition

The application of aqueous two-phase partition to the study of chick limb mesenchymal diversification

Development ◽  
1986 ◽  
Vol 94 (1) ◽  
pp. 267-275
Author(s):  
C. P. Cottrill ◽  
Paul T. Sharpe ◽  
Lewis Wolpert
Keyword(s):  
Pattern Formation ◽  
Limb Development ◽  
Developmental Stages ◽  
Proximal Region ◽  
Limb Bud ◽  
Cell Populations ◽  
Two Phase ◽  
Phase Partition ◽  
Surface Character ◽  
Two Phase Partition

A technique which identifies cells differing in surface character, aqueous two-phase partition using thin-layer countercurrent distribution (TLCCD), has been used to study differentiation and pattern formation in the developing chick limb bud. The TLCCD profiles of cell populations, derived from various regions of morphologically undifferentiated mesenchyme from three different stages of limb development, have been compared. At no stage, or location, has the population been found to be homogeneous. Cells from progress zones and more proximal regions could all be resolved into several populations. The populations from progress zones at three different developmental stages were qualitatively similar but differed in the proportions of cells in each. The most striking differences in cell populations were those obtained from the most proximal region of the limb, closest to the flank, which represents the developmentally most advanced region.

Isolation of rat liver lysosomes by a single two-phase partition on dextran/polyethylene glycol

1990 ◽  
Vol 185 (2) ◽  
pp. 249-253 ◽  
Author(s):  
Jesús Osada ◽  
Hortensia Aylagas ◽  
José Sánchez-Prieto ◽  
Immaculada Sánchez-Vegazo ◽  
Evangelina Palacios-Alaiz
Keyword(s):  
Polyethylene Glycol ◽  
Rat Liver ◽  
Two Phase ◽  
Phase Partition ◽  
Liver Lysosomes ◽  
Two Phase Partition ◽  
Rat Liver Lysosomes
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