Arnr ESJ, Sarioglu H, Lottspeich F, Holmgren A, Bck A (1999) High-level expression in Escherichia coli of selenocysteine-containing rat thioredoxin reductase utilizing gene fusions with engineered bacterial-type SECIS elements and co-expression with the sel A, sel B and sel C genes
However, the tick marks on insulin syringes represent numbers of units (insulin units) rather than milliliters
Any discomfort typically subsides quickly
For cell number measurements in 6-well plates, the medium was aspirated, the wells were rinsed with PBS and the cells were detached by incubating with 500 l of 0.25% trypsin (Thermo Scientific, 25200056) for 20 min at 37 C
Reconstituting a 10 mg vial step by step Reconstitution is where most mistakes happen
A mild, short reaction is common and recognised