cell culture | insect: suitable
cell culture | mammalian: suitable
195 °C (dec.) (lit.)
H2O: 5 mg/mL
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NONH for all modes of transport
We test the solubility of MTT in water at a concentration of 5 mg/mL. For the MTT viability assay, we dissolve Product No. M5655 at a concentration of 5 mg/ml in RPMI-1640 without phenol red. This medium is available as a powder (Product No.R8755) or liquid (Product No. R7509). MTT can be solubilized in any culture media or balanced salt solution that does not contain phenol red as a pH indicator.
It is recommended that flat bottom multi-well plates be used for the MTT assay. The use of tissue culture treated plates is only important if necessary for good cell growth. If cells are grown in larger plates, the supernatant after cell lysis can be transferred to a 96 well plate for reading.
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The MTT asay is a method to assess cell viability. This assay is a semiquantitative assay. The assay is used to compare the viability changes in treated cells to untreated cells. The absorbance is indicative of the cell number. The higher the absorbance, the greater the number of viable cells present. Most researchers compare the absorbance of the two samples as a ratio (ABS treated cells/ABS untreated cells) to get a fold increase/decrease in cell number.