Chiara Reviglio , Giorgio Volpi , Elisabeth Wyart , Betty Ciubini , Cristina Prandi , Claudia Barolo , Paolo Ettore Porporato , Claudio Garino
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Imidazopyridines as fluorogenic substrates for esterase detection
Six substituted imidazo[1,5-a]pyridine and imidazo[5,1-a]isoquinoline derivatives have been designed and characterized as possible fluorogenic substrates for detection and application of esterase enzymes or other ester hydrolysis conditions. The optical tunability of the fluorescent scaffold has been evaluated introducing a free carboxylic acid or the corresponding methyl ester substituent, obtaining turn-on fluorescence sensing systems with large signal-to-noise ratios and high enzymatic reactivity. The probes have been tested in fluorescence imaging experiments with endogenous and exogenous esterases.
期刊介绍：
JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds.
All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor).
The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.
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