General Kit Information

  • Why do certain ELISA kits have a longer lead time?
  • How many samples can I test on one RayBio ELISA?
  • Does your ELISA kit have a positive control sample?
  • My kit was left out at room temperature for several days. Is it still good?

Quality Control

  • What is your ELISA kit validation process?


  • How do I prepare my samples?
  • Do your ELISA kits work for cell and tissue lysates?
  • What Dilution do you recommend for my samples?


  • Weak standard curve signals
  • Low overall signal
  • High Background
  • Matrix effects
  • High CV in replicate wells