TLR9 Test Strip 2216 Click to enlargeStrips pre-coated with a TLR9 agonist TLR9 Test Strips are designed to determine the TLR9 activation profile. The TLR9 Test Strips are pre-coated with the lyophilized TLR9 agonist, ODN 2216, at 7 different concentrations and a negative control well. The strips are cell culture treated with clear polystyrene flat-bottomed wells. TLR9 agonist : ODN 2216 Quality control: The functionality of the TLR9 Test Strip is validated for biological potency. Rigorous quality control tests are performed to ensure lot-to-lot reproducibility and performance.