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Biotechniques. 1990 Jan;8(1):16-20.

Effects of pulse length and pulse strength on transfection by electroporation.

Author information

  • 1ElectroCell, Inc., Buffalo, NY 14263.

Abstract

The relative importance of pulse field strength E and pulse length tau 1/2 (half decay time of an exponential decay pulse) on the stable transfection frequency for HeLa or HUT-78 cells was investigated. Cells were transfected with plasmids containing the promoter and drug resistant genes pRSVgpt or pRSVneo by electroporation. The stable transfection frequency was assayed using the marker rescue technique. The transfection frequency increases with increasing values of E tau 1/2. For a given pulse length, the transfection frequency is proportional to the power of the pulse (E2 tau 1/2). Pulses with half decay times of 2.2 to 4.6 ms appear to be more efficient than 0.275 to 0.31 ms for stable transfection of HeLa cells.

PMID:
2182073
[PubMed - indexed for MEDLINE]
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