Refine by
Microcentrifuge Services
2 services found
Manufactured by:Creative Bioarray based inShirley, NEW YORK (USA)
ATP is involved in a variety of enzymatic reactions to maintain normal life activities. When normal cells undergo apoptosis and necrosis, the content of ATP will be characteristic changed. Thus, ATP has been widely accepted as a valid marker of viable cells. The measurement of ATP using firefly luciferase is the most commonly applied method for estimating the number of viable ...
by:Isobar Science based inMiami, FLORIDA (USA)
The isotopic ratios 87Sr/86Sr, 143Nd/144Nd, and 176Hf/177Hf can be measured in various sample types such as igneous and metamorphic rocks, mineral dust, and marine and lacustrine sediments. The following sample size recommendations are general guidelines. Individual requirements vary depending on the sample type. If you are concerned that your samples are too small or you need advice on sample ...