David Brookman

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Monolayer cultures of 12-day embryonic chick skeletal muscle were prepared from cells dissociated with crude trypsin (Difco 1:250) and by a mechanical method that utilizes shearing forces obtained in a vortex of flowing medium. For each technique, experiments were performed in which the feeding schedule and density of cells planted were varied. Culture(More)
In this context COD refers to the full life cycl e development, which includes Object-Oriented Requirement s Analysis (OORA) . There is a common belief that the main (o r only) difference between SA/SD and COD is that SA/S D localizes around functional abstractions, whereas OO D organizes software into modules based on object abstraction . At first glance(More)
Various insecticides, solvents, emulsifiers, and mixtures thereof were tested to determine whether these compounds are capable of enhancing the sensitivity of cultured mammalian cells to infection with vesicular stomatitis virus. None of 42 compounds tested significantly enhanced the viral infection.
There is some question about its official name. Although the Table of Replies was not tabulated until 1999-01-12, there is still a possibility that the "1999" might be a "1998" as the ballot was approved in December 1998. Information on the ASIS ISO Standard is available at the http://www.iso.cl'dcate/d27169.html URL. This page currently reflects ASIS as(More)
CONTEXT A substantial number of patients with head and neck paragangliomas (HNPGLs) have biochemically active tumors, evidenced by increased urinary excretion of catecholamines and metabolites, including 3-methoxytyramine (3MT). It is unclear whether plasma levels of these parameters are more sensitive to detect biochemical activity in HNPGL patients than(More)
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