Objective and Impact ***-time monitoring of the temperatures of regional tissue microenvironments can serve as the diagnostic basis for treating various health conditions and *** thermal sensors allow measurements at ...
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Objective and Impact ***-time monitoring of the temperatures of regional tissue microenvironments can serve as the diagnostic basis for treating various health conditions and *** thermal sensors allow measurements at surfaces or at near-surface regions of the skin or of certain body *** at depth require implanted devices connected to external readout electronics via physical interfaces that lead to risks for infection and movement constraints for the ***,surgical extraction procedures after a period of need can introduce additional risks and ***,we report a wireless,bioresorbable class of temperature sensor that exploits multilayer photonic cavities,for continuous optical measurements of regional,deep-tissue microenvironments over a timeframe of interest followed by complete clearance via natural body *** designs decouple the influence of detection angle from temperature on the reflection spectra,to enable high accuracy in sensing,as supported by in vitro experiments and optical *** with devices implanted into subcutaneous tissues of both awake,freely moving and asleep animal models illustrate the applicability of this technology for in vivo *** results demonstrate the use of bioresorbable materials in advanced photonic structures with unique capabilities in tracking of thermal signatures of tissue microenvironments,with potential relevance to human healthcare.
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