8-Methoxypyrene-1,3,6-trisulfonate trisodium (MPTS) is a highly water-soluble superpolar fluorescent probe[1].
[1]. Lahnstein K, et al. Pulmonary absorption of aerosolized fluorescent markers in the isolated rabbit lung. Int J Pharm. 2008 Mar 3;351(1-2):158-64
















