Ultrathin conformal devices for precise and continuous thermal characterization of human skin
By R. C. Webb, Andrew P. Bonifas, A. Behnaz, Yihui Zhang, Kimura Yu, Huanyu Cheng, M. Shi, Z. Bian, Zhuangjian Liu, Yun-Soung Kim and 7 more. Nature Materials, 2013
1,150 citations recorded by the source corpus.
Precision thermometry of the skin can, together with other measurements, provide clinically relevant information about cardiovascular health, cognitive state, malignancy and many other important aspects of human physiology. Here, we introduce an ultrathin, compliant skin-like sensor/actuator technology that can pliably laminate onto the epidermis to provide continuous, accurate thermal characterizations that are unavailable with other methods. Examples include non-invasive spatial mapping of skin temperature with millikelvin precision, and simultaneous quantitative assessment of tissue thermal conductivity. Such devices can also be implemented in ways that reveal the time-dynamic influence of blood flow and perfusion on these properties. Experimental and theoretical studies establish the underlying principles of operation, and define engineering guidelines for device design. Evaluation of subtle variations in skin temperature associated with mental activity, physical stimulation and vasoconstriction/dilation along with accurate determination of skin hydration through measurements of thermal conductivity represent some important operational examples.
Subfields: Biomedical Engineering, Physiology, Radiology, Nuclear Medicine and Imaging
View Paper: https://www.semanticscholar.org/paper/7f97503f111d393c21f5481fb6659f2fb66c405a
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Citations in the corpus
- Lab-on-Skin: A Review of Flexible and Stretchable Electronics for Wearable Health Monitoring. (2017, methodology): “22 overall physiological condition of the individual.(20) Traditional skin thermography provides well-”
- Bioresorbable silicon electronic sensors for the brain (2016, background): “As a result, analysis of the temperature transients immediately following the power increase allows determination of the thermal transport properties of the surrounding fluid or tissue.(9) pH sensor — The functionalized surfaces of Si-NRs with both –NH2 and –SiOH groups undergo protonation to –NH3 a”