Founded by scientists in 2001, Proteintech understands the importance of antibodies with high specificity and reproducibility. With this in mind, Proteintech manufacture and validate every antibody in-house, including the use of siRNA knockdown to demonstrate specificity. In the catalogue of antibodies against 12,000 targets, Proteintech ensure all validation data is made available to the researcher along with 24 hour expert technical support, putting the confidence back into research. For more information, please visit ptglab.com.