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(a) Semiquantitative PCR analysis of the pluripotency genes normalised to the Gapdh housekeeping gene expression in embryonic stem (ES) cells levitated in the trap for 5 and 60 min at 0.85 MPa. The “no RT” samples are also shown together with the PCR conditions. (b) Integral intensity measurements of the PCR bands shown in (a) normalised to the Gapdh housekeeping gene expression.
