Need to examine the chemistry influence of medicine propagate cell and survival in the experiment outside the body of the medicine toxicity,differing from the animal experiment can observe the physiology phenomenon of animal directly,the body tests to need to examine a cell livability outside,but makes use of the output material in the cell some life movable process to examine cell whether survive and survive quantity.This experiment makes use of a MTA method ratio color measurement,useding for measuresing H2 O2's toxicity to Hela cell.
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