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Scientific reports v.6, 2016년, pp.36876 -    SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Biomimetic Sniffing Improves the Detection Performance of a 3D Printed Nose of a Dog and a Commercial Trace Vapor Detector

Staymates, Matthew E. (Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA ) ; MacCrehan, William A. (Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA ) ; Staymates, Jessica L. (Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA ) ; Kunz, Roderick R. (Chemical, Microsystem, and Nanoscale Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA 02421, USA ) ; Mendum, Thomas (Chemical, Microsystem, and Nanoscale Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA 02421, USA ) ; Ong, Ta-Hsuan (Chemical, Microsystem, and Nanoscale Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA 02421, USA ) ; Geurtsen, Geoffrey (Chemical, Microsystem, and Nanoscale Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA 02421, USA ) ; Gillen, Greg J. (Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA ) ; Craven, Brent A. (Division of ) ;
  • 초록  

    Unlike current chemical trace detection technology, dogs actively sniff to acquire an odor sample. Flow visualization experiments with an anatomically-similar 3D printed dog’s nose revealed the external aerodynamics during canine sniffing, where ventral-laterally expired air jets entrain odorant-laden air toward the nose, thereby extending the “aerodynamic reach” for inspiration of otherwise inaccessible odors. Chemical sampling and detection experiments quantified two modes of operation with the artificial nose-active sniffing and continuous inspiration-and demonstrated an increase in odorant detection by a factor of up to 18 for active sniffing. A 16-fold improvement in detection was demonstrated with a commercially-available explosives detector by applying this bio-inspired design principle and making the device “sniff” like a dog. These lessons learned from the dog may benefit the next-generation of vapor samplers for explosives, narcotics, pathogens, or even cancer, and could inform future bio-inspired designs for optimized sampling of odor plumes.


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