Breath-by-breath measurement of exhaled ammonia by acetone-modifier positive photoionization ion mobility spectrometry via online dilution and purging sampling

• Main Authors: Lu Wang (Author), Dandan Jiang (Author), Lei Hua (Author), Chuang Chen (Author), Dongming Li (Author), Weiguo Wang (Author), Yiqian Xu (Author), Qimu Yang (Author), Haiyang Li (Author), Song Leng (Author)
• Format: Book
• Published: Elsevier, 2023-04-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Exhaled ammonia (NH3) is an essential noninvasive biomarker for disease diagnosis. In this study, an acetone-modifier positive photoionization ion mobility spectrometry (AM-PIMS) method was developed for accurate qualitative and quantitative analysis of exhaled NH3 with high selectivity and sensitiv...