Answers are grounded in this paper and cite their sources.
Blue-to-red color change of poly(vinyl alcohol) (PVA) films embedded with functional polydiacetylene supramolecules was observed by thermal stress or specific molecular recognition.
No takes yet. Share an insight, caveat, or question.
Kim et al. (2006) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: