Publications Repository - Gdańsk University of Technology

This paper presents a procedure and a set-up of an electronic nose system analyzing exhaled breath to detect the patients suffering from dengue – a mosquito-borne tropical disease. Low-power resistive gas sensors (MiCS-6814, TGS8100) were used to detect volatile organic compounds (VOCs) in the exhaled breath. The end-tidal phase of patients exhaled breath was collected with a BioVOCTM breath sampler. Two strategies were assessed for breath samples measurement: either direct transfer from the BioVOCTM into the sensors test chamber, or storage in Tenax TA sorbent tubes followed by VOCs release through thermal desorption and then transfer into sensors test chamber. DC sensor resistances were recorded and processed by multivariate classifier algorithms to detect infected patients. The experimental studies were run on a group of 26 individuals (16 dengue diagnosed patients and 10 control volunteers). The detection accuracy of dengue patients was over 90%.

Authors

• prof. dr hab. inż. Janusz Smulko link open in new tab ,
• mgr inż. Tomasz Chludziński link open in new tab ,
• dr inż. Tomasz Majchrzak link open in new tab ,
• dr inż. Andrzej Kwiatkowski link open in new tab ,
• Sebastian Borys,
• Aylen Lisset Jaimes-Mogollón,
• Cristhian Manuel Durán-Acevedo,
• Omar Geovanny Perez-Ortiz,
• Radu Ionescu