Fluorescence sensing of caffeine in water with polysulfonated pyrenes.

Fluorescence sensing of caffeine in water with polysulfonated pyrenes.

Chemical communications (Cambridge, England) (2011-08-30)

Sébastien Rochat, Stephan N Steinmann, Clémence Corminboeuf, Kay Severin

ABSTRACT

The commercially available fluorescence dye 8-hydroxypyrene-1,3,6-trisulfonate (HPTS) can be used as a selective molecular probe for the detection of caffeine in aqueous solution.

MATERIALS

Product Number

Brand

Product Description

H1529

Sigma-Aldrich

8-Hydroxypyrene-1,3,6-trisulfonic acid trisodium salt, ≥96%