Published January 1, 2018 | Version v1
Journal article Open

Rationally Designed Fluorescent pH Sensors for Measurements in Extremely Alkaline Media

  • 1. Hacettepe Univ, Dept Chem, TR-06800 Ankara, Turkey

Description

We investigated the pK(a) increasing effects on meso-phenol BODIPY to achieve fluorescent pH sensors working in extreme alkalinity. We demonstrated the effects of substituents on meso, , and position of the hydroxyl group on pK(a). By considering these parameters, we developed pH sensors working above 11.0 in aqueous medium (ethanol/water 1:1). One of these sensors had a pK(a) of 12.0 and enabled the measurement of pH up to 13.6. This highly photostable and bright sensor compound could be synthesized easily from cheap starting materials.

Files

bib-ba390aed-2ac9-45f0-8174-afbb339c95f1.txt

Files (181 Bytes)

Name Size Download all
md5:36fbe4233eadf19daf02354e1bc6299b
181 Bytes Preview Download