1-pyrenedodecanoic acid is a fluorescent fatty acid analog used as a probe in FCM to study the uptake of fluorescent fatty acids into cultured cells.Anionic membrane probe. Studies on the uptake of fluorescent fatty acids into cultured cells。 1-pyrenedodecanoic acid is a fluorescent fatty acid analog used as a probe in FCM to study the uptake of fluorescent fatty acids into cultured cells. Anionic membrane probe. Studies on the uptake of fluorescent fatty acids into cultured cells。