porfimer sodium

Porfimer sodium is t he sodium salt of a mixture of oligomers formed by ether and ester linkages of up to eight porphyrin units with photodynamic activity. Absorbed selectively by tumor cells, porfimer produces oxygen radicals after activation by 630 nm w

Dehydroergosterol (DHE) 是一种天然存在的荧光甾醇类似物，是实时探测/阐明生物体中甾醇环境和细胞内甾醇运输的化合物。Dehydroergosterol 是一种胆固醇模拟物，可胆固醇结合蛋白结合，可用于活细胞实时成像。