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In situ thermal imaging and absolute temperature monitoring by luminescent diphenylalanine nanotubes

  • Zhixing Gan
  • , Xinglong Wu
  • , Jinlei Zhang
  • , Xiaobin Zhu
  • , Paul K. Chu

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    The temperature sensing capability of diphenylalanine nanotubes is investigated. The materials can detect local rapid temperature changes and measure the absolute temperature in situ with a precision of 1 C by monitoring the temperature-dependent photoluminescence (PL) intensity and lifetime, respectively. The PL lifetime is independent of ion concentrations in the medium as well as pH in the physiological range. This biocompatible thermal sensing platform has immense potential in the in situ mapping of microenvironmental temperature fluctuations in biological systems for disease diagnosis and therapeutics. © 2013 American Chemical Society.
    Original languageEnglish
    Pages (from-to)2112-2116
    JournalBiomacromolecules
    Volume14
    Issue number6
    DOIs
    Publication statusPublished - 10 Jun 2013

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