l 31

Poloxamer 101 L31 is a block copolymer of polyethylene oxide and polypropylene oxide, with an average molecular weight of 1100. It forms hydrogels and is used as a surfactant and emulsifier. Poloxamer 101 L31 may cause mild alveolitis.

AI 3-19500 (Quinoline Blue) is a cyanine dye with CAS 523-42-2 that has been extensively utilized in photographic science to actively enhance film sensitivity through improved light absorption and signal amplification, and it has additionally attracted sustained research interest in oncology and biochemical research as a functional chromophore, where it is systematically investigated for its roles in colorimetric assay development, optical detection workflows, molecular labeling strategies, and photodynamic therapy research aimed at controlled light-induced biological effects.

L319 (Di((Z)-Non-2-en-1-yl) 9-((4-(dimethylamino)butanoyl)oxy)heptadecanedioate) is a lipid membrane, a potential nucleic acid carrier.