Example sentences of "presence [prep] [num] [unc] [noun sg] " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Filtered ( through 0.22 µm syringe filters ) supernatants are subjected to two sequential organic extractions and DNAs are recovered by precipitation with ethanol in the presence of 10 µg carrier glycogen . |
| 2 | The stimulatory effect of EGF in the dose range was confirmed ( data not shown ) , with a typically increased in DNA synthesis of eight to 12-fold over basal in the presence of 10 ng/ml EGF . |
| 3 | Infections were also carried out in the presence of 100 µg/ml cycloheximide or 40 µg/ml cytosine arabinoside for 7 hr . |
| 4 | Basal adenylate cyclase activities in a membrane fraction in the absence and presence of 100 nmol/l TPA were 4.2 ( 0.8 ) and 4.2 ( 0.6 ) pmol/10 minutes per 10 cells respectively . |
| 5 | The presence of 200 nmol/l staurosporine did not alter the time course of the desensitisation that was seen when HGT-1 cells were exposed to histamine at 37°C ( data not shown . |
| 6 | Incubations were performed under basal conditions , in the presence of 4 µM forskolin ( a well known stimulator of adenylate cyclase ) used to check if the homogenates retained the ability to respond to stimuli and with a peptic tryptic cotazym digest of bread ( San Pastore ) wheat gliadin ( 50 µg/ml ) ( supplied by Dr M De Vincenzi , Istituto Superiore di Santià , Istituto Sperimentale per la Cerealicoltura , Rome ) . |