MSGID: 1:317/3 645334e9   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    Breakthrough for sweat: Health monitoring device    
      
     Date:   
         May 3, 2023   
     Source:   
         University of Hawaii at Manoa   
     Summary:   
         Sweat is more than just a sign of a good workout. It holds vital   
         information about our health, providing clues to dehydration,   
         fatigue, blood sugar levels and even serious conditions such as   
         cystic fibrosis, diabetes and heart failure. Researchers have   
         taken a giant leap forward in sweat analysis with an innovative   
         3D-printed wearable sweat sensor called the 'sweatainer.'   
      
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   FULL STORY   
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   Sweat is more than just a sign of a good workout. It holds vital   
   information about our health, providing clues to dehydration, fatigue,   
   blood sugar levels and even serious conditions such as cystic fibrosis,   
   diabetes and heart failure. Researchers at the University of Hawaii at   
   Manoa College of Engineering have taken a giant leap forward in sweat   
   analysis with an innovative 3D-printed wearable sweat sensor called   
   the "sweatainer."  Harnessing the power of additive manufacturing   
   (3D-printing), the researchers have developed a new type of wearable   
   sweat sensor that expands the capability of wearable sweat devices. The   
   sweatainer is a small, wearable device similar in size to a child's   
   sticker that collects and analyzes sweat, offering a glimpse into   
   the future of health monitoring. By incorporating various sensors, the   
   sweatainer can analyze sweat in a mode similar to previous wearable sweat-   
   sensing systems.   
      
   "3D-printing enables an entirely new design mode for wearable sweat   
   sensors by allowing us to create fluidic networks and features with   
   unprecedented complexity," Department of Mechanical Engineering   
   Assistant Professor Tyler Ray said. "With the sweatainer, we are   
   utilizing 3D-printing to showcase the vast opportunities this approach   
   enables for accessible, innovative and cost- effective prototyping   
   of advanced wearable sweat devices."  Efficient and cost-effective   
   approach Traditional approaches for sweat collection use absorbent   
   pads or microbore (very narrow) tubes pressed against the epidermis   
   (surface layer of the skin) using bands or straps to capture sweat as   
   it emerges from the skin. These techniques require trained personnel,   
   special handling and costly laboratory equipment. The recent emergence   
   of wearable sweat sensors has addressed some of these challenges,   
   but these devices still remain single-use. When the device is full,   
   it must be removed and the sweat collection be stopped.   
      
   One unique feature of the sweatainer is its "multi-draw" sweat collection   
   method, which allows for the collection of multiple, separate sweat   
   samples for analysis either directly on the device or sent to a   
   lab. Inspired by the vacutainer used in clinical blood sampling, this   
   advancement not only makes sweat collection more efficient but also   
   opens up new possibilities for at-home testing, storing samples for   
   future research and integrating with existing health monitoring methods.   
      
   Field studies of the sweatainer system highlight the real-world potential   
   of this groundbreaking technology. Through the blueprint established in   
   the sweatainer, the researchers hope that this will continue to drive   
   innovation to create a future where personal health monitoring is more   
   accessible, convenient and insightful.   
      
   The findings were published in Sciences Advances on May 3.   
      
       * RELATED_TOPICS   
             o Health_&_Medicine   
                   # Diseases_and_Conditions # Health_Policy #   
                   Personalized_Medicine # Medical_Devices   
             o Matter_&_Energy   
                   # Wearable_Technology # Textiles_and_Clothing # Detectors   
                   # Electronics   
       * RELATED_TERMS   
             o Cystic_fibrosis o Body_odor o Diabetes o Sweating o   
             Hyperglycemia o Heart_failure o Heart_rate o Blood_sugar   
      
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   Story Source: Materials provided by University_of_Hawaii_at_Manoa. Note:   
   Content may be edited for style and length.   
      
      
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   Journal Reference:   
      1. Chung-Han Wu, Howin Jian Hing Ma, Paul Baessler, Roxanne Kate   
      Balanay,   
         Tyler R. Ray. Skin-interfaced microfluidic systems with spatially   
         engineered 3D fluidics for sweat capture and analysis. Science   
         Advances, 2023; 9 (18) DOI: 10.1126/sciadv.adg4272   
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   Link to news story:   
   https://www.sciencedaily.com/releases/2023/05/230503154625.htm   
      
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