Portable Collection of Breath Phenylpyruvic Acid for Noninvasive Assessment of Pediatric Hyperphenylalaninemia by Mass Spectrometry

Hai-Yan Luo †, Kang Xie †, Peng-Peng Ma, Wan Lu, Jia Ren, Yan-Qiu Liu, Jianfeng Zhang, Bin Hu*, Qing Lu*, Bi-Cheng Yang*

Talanta, 2025, https://doi.org/10.1016/j.talanta.2025.128087