Figure 7From: Highly Sensitive Fluorescence Probe Based on Functional SBA-15 for Selective Detection of Hg2+ a Fluorescence spectra of DA/SBA-15 with Hg2+, b Relative fluorescence intensity of DA/SBA-15 at different concentration of Hg2+. DA/SBA-15 (1 × 10−5 M) in 15% ethanol/water solution. λex = 335 nmBack to article page