A MC-spiropyran for smartphone assisted reversible, selective and nanomolar level detection of formic acid in water and gas phase
ABSTRACT A p-toluenesulfonate salt of benzothiazonium (merocyanine) dye substituted
with diethylamine was synthesized to act as an optical probe. The probe was characterized
using FT-IR, NMR, HR-MS and examined for a response towards polar molecular and ionic
species using UV-Visible, fluorescence spectroscopic techniques. The probe displayed
remarkable formic acid-responsive optical and aggregation properties in distilled water and
at pH 7.6 (1.0 mM HEPES). The change in color was also exploited for smartphone assisted …
with diethylamine was synthesized to act as an optical probe. The probe was characterized
using FT-IR, NMR, HR-MS and examined for a response towards polar molecular and ionic
species using UV-Visible, fluorescence spectroscopic techniques. The probe displayed
remarkable formic acid-responsive optical and aggregation properties in distilled water and
at pH 7.6 (1.0 mM HEPES). The change in color was also exploited for smartphone assisted …
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