Stemnovate has a biobank of diverse, stable, genotyped IPS lines that pass stringent tests for pluripotency and three germ layer differentiation not available in any other commercial product. We further use well-defined culture conditions so that a subtle response to cytokines can be evaluated in assays using nanogram to microgram concentrations. Qkine’s TGF-β1 PLUS performed well on criteria such as maintaining Nanog and Tra-160 expression as these are vital genes for pluripotency.