Store › SiR-Lysosome kit 50 nmol Image 1 of 1 SiR-Lysosome kit 50 nmol $874.00 Quantity: Add To Cart Added! SiR-lysosome is a fluorogenic, cell permeable and highly specific live cell probe for lysosomes. SiR-lysosome is a fluorogenic, cell permeable and highly specific live cell probe for lysosomes.