An international team of researchers from Korea and the United States has constructed a tiny portable device that directly detects hydrogen sulfide (H2S) in human breath. Continuous monitoring of hydrogen sulfide in human breath for early stage diagnosis of halitosis is of great significance for prevention of dental diseases. Image credit: Shin et al., doi: 10.1021/acsnano.1c01350. No one wants bad breath — not when visiting friends and family,...
