Concepedia

Reversible colour changes of mixed films composed of 4,4′-bis[bis(4-methylphenyl)amino]azobenzene and organic acids in response to exhaled breath

Yuya Kitamura, Ryoji Ichikawa, Hideyuki Nakano

Materials Chemistry Frontiers · 2017 · 15 citations · 25 references

Concepts

Natural SciencesChemistryMaterials ScienceOptical MaterialsOrganic ChemistryColor ChemistryColor StabilityRespiratory MonitoringVolatile Organic CompoundsColorimetric Molecular SensorsExhaled Breath AssessmentFilm Color ProcessesRespiratory PigmentationVolatile Organic Compound MonitoringVolatile Organic Compounds Exposure

Abstract

Mixed films of the title aminoazobenzene with a few different conventional organic acids exhibited drastic and reversible colour changes when exposed to exhaled breath.

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