Proteintech products have been cited over 200,000 times in journals worldwide.

Choose from the below free sample products:

ChomoTek Nano-Trap (2 reactions) - Ideal for fast, reliable and efficient one-step immunoprecipitation and co-immunoprecipitation.  Read more.

HumanKine protein - High quality cytokines and growth factors created in HEK293 cells using animal free components.  Read more.

Please note, 20ul antibodies are no longer available as free samples. Please contact us to discuss 20ul antibody samples.

Complete the form on the right to request your sample. Terms and conditions and exclusions apply. 

*The smallest quantity available will be given as a free sample.

Browse the full catalogue of products at ptglab.com.