quin-2

Quin-2 is a high-affinity fluorescent calcium indicator (Kd = 115 nM for calcium). It displays high selectivity for calcium, as it is not affected by sodium gradients, membrane potential, or intracellular pH. High affinity probes like quin-2 are ideal for monitoring low levels of calcium, as are found in resting cells. Loadings of up to 2 mM quin-2 are without serious toxic effects, so quin-2 may be used to buffer intracellular calcium transients. Excitation emission maxima for quin-2 are 339 and 492 nm, respectively.

Quin C1 是一种具有选择性和高效性的甲酰肽受体 2 (FPR2 ALX) 激动剂，具有抗炎活性，抑制BALF 中的中性粒细胞和淋巴细胞的产生，减少 TNF-α、IL-1β、KC 和 TGF-β1 的表达。Quin C1 可用于研究肺损伤。