This ELISA kit provides quantitative measurement of TNF (tumor necrosis factor) in Rattus norvegicus samples, supporting immunology research focused on innate immune activation and inflammatory signaling. Because TNF is a rapidly induced, short-lived cytokine whose concentrations can vary dramatically between baseline and inflammatory states, this kit is designed to capture that full dynamic window across multiple sample contexts.
Detection Range: The 15.6–1000 pg/mL range spans from near-baseline circulating TNF levels in unstimulated rat tissues to the elevated concentrations observed in LPS-challenged or sepsis-model animals, minimizing the need for serial dilutions while covering both resting and acutely inflamed conditions.
Sensitivity: At 3.9 pg/mL, the kit detects TNF in samples where expression is low — such as unstimulated macrophage supernatants, early-phase inflammatory responses, or tissue homogenates from localized injury models — where TNF may be present but not yet amplified.
Sample Compatibility: Validation across tissue homogenates, cell culture supernatants, and bronchoalveolar lavage fluid enables researchers to connect organ-level TNF production, cellular secretion kinetics, and pulmonary compartment inflammation within a single experimental framework, critical for acute lung injury or pneumonia models.
Assay Efficiency: Requiring only 50–100 µL and 1–5 hours, the kit accommodates limited-volume BAL fluid collections and time-sensitive multi-cytokine profiling from primary rat macrophage cultures.
This kit directly supports studies in experimental sepsis, ventilator-induced lung injury, and rheumatoid arthritis modeling.