Novel time-temperature and 'consume-within' indicator based on gas-diffusion

Andrew Mills, Ashleigh Graham, Daniel Hawthorne, Katherine Lawrie

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)
285 Downloads (Pure)


The novel time-temperature indicator label comprises an ammonia sensitive indicator layer film pressed onto a second film, comprising an ammonia-generating, adhesive layer. When separated the blue-coloured indicator film reverts back to its original (ammonia free) yellow form at a controllable, temperature dependant rate. The labels are easily made and stored.
Original languageEnglish
Pages (from-to)13987-13990
Number of pages4
JournalChemical Communications
Early online date10 Nov 2016
Publication statusPublished - 2016


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