Clinical oncology can benefit substantially from imaging technologies that reveal
physiological characteristics with multiscale observations. Complementing conventional …

The detection of volatile organic compounds (VOCs) has emerged as one of the most
promising diagnostic approaches in the field of medicine. For example, human breath …

A ppbv-level mid-infrared photoacoustic spectroscopy sensor was developed for mouth
alcohol tests. A compact CO 2 laser with a sealed waveguide and integrated radio frequency …

Among the many commonly encountered hazards, improvised explosive devices (IEDs)
remain the primary threat to military and civilian personnel due to the ease of their …

The acetone can be regarded as one of the respiratory biomarkers for lung cancer, the
detection of acetone in human exhaled gas has great important for early lung cancer …

Gas sensors integrated with machine learning algorithms have aroused keen interest in
pattern recognition, which ameliorates the drawback of poor selectivity on a sensor. Among …

The ketogenic diet, while originally thought to treat epilepsy in children, is now used for
weight loss due to increasing evidence indicating that fat is burned more rapidly when there …

Human breath analysis of volatile organic compounds has gained significant attention
recently because of its rapid and noninvasive potential to detect various metabolic diseases …

Early diagnosis of lung cancer greatly improves the likelihood of survival and remission, but
limitations in existing technologies like low-dose computed tomography have prevented the …

The COVID-19 pandemic remains a global challenge now with the long-COVID arising.
Mitigation measures focused on case counting, assessment and determination of variants …