[15p-M_278-1~8] Cutting edge nanotechnology for bio-sensor & 2D materials -Realization of a pandemic-free society with graphene FET sensors capable of rapid detection of human infectious viruses-

1:45 PM - 2:15 PM JST(4:45 AM - 5:15 AM UTC)

[15p-M_278-3] From Molecular Recognition to Self-Heating: Graphene Platforms for Multicomponent Breath Gas Sensing

〇Ken Uchida¹ (1.Univ. Tokyo)

Keywords:

gas sensor,graphene,breath diagnosis

Ammonia (NH₃) and hydrogen (H₂) in exhaled breath are important biomarkers reflecting renal function and gut microbiota activity. This study integrates molecular-recognition-based selective NH₃ sensing, defect-anchored covalent molecular immobilization for thermal stability, and self-heating-enabled low-power temperature control. The combined approach provides a design framework for graphene-based multicomponent breath gas sensing under practical operating conditions.