PENZBERG, Germany--(BUSINESS WIRE)--Transfection is a way to transiently or permanently deliver nucleic acids into eukaryotic cells to study functional effects in response to altered gene expression and for protein production. In a recent study (1) the xCELLigence System for cellular analysis from Roche Applied Science (SWX:RO) (SWX:ROG) (Pink Sheets: RHHBY) was used to compare cytotoxic effects of different transfection reagents in the specific monitoring and detection of bax-induced cell death.