Example sentences of "was used [prep] the [adj] control " in BNC.
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1 | In some experiments , the specific substrate of NO synthase , L-Arginine ( 300 mg/kg , Sigma ) , was given to reverse the effects of the inhibitors , whereas the enantiomer D-arginine ( 300 mg/kg , Sigma ) was used as the inactive control compound . |
2 | SKNSH RNA was used as the positive control to detect the human NF-L protected fragment of 121 nucleotides ( nt ) . |
3 | SKNSH RNA was used as the positive control to detect the human NF-L protected fragment . |
4 | SKNSH RNA was included as the positive control for the human NF-L protected fragment of 154 nucleotides ( nt ) , while RNA from HeLa cells transfected with the β-globin gene alone was used as the positive control for the β-globin 212 nt signal , both indicated by arrows . |
5 | SKNSH RNA was used as the positive control for the transgene signal . |