New DetectX® 11-Ketotestosterone ELISA Kit


Androgenic hormones, such as testosterone, affect the growth, size, and reproduction of many male organisms. In teleost fish, along with testosterone, 11-ketotestosterone plays a significant role by inducing reproductive characteristics in both males and females. In certain male fish, 11-ketotestosterone levels increase during spermatogenesis in spawning season, while in some female fish, levels increase prior to yolk deposition to regulate ovarian development. The presence and involvement of 11-ketotestosterone in other species such as humans have only recently been established, but this area of research is growing.

11-Ketotestosterone Structure


Our DetectX® 11-Ketotestosterone Immunoassay Kit uses a specifically generated antibody to measure 11-ketotestosterone in urine and fecal samples, or in extracted serum and plasma.

  • Measure 11-ketotestosterone in urine, dried feces, or extracted serum and plasma samples
  • Time to Answer: 2.5 Hours
  • Sensitivity: 1.85 pg/mL
  • Assay Precision
    • Intra: 4.6–6.8% CV
    • Inter: 6.5–8.2% CV
  • 4° stable reagents
  • Low cross-reactivity with other androgens

11-Ketotestosterone Standard Curve

K079-H Standard Curve

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