In what ways does chromatographic co-elution affect MS2 spectral quality, molecular networking, and the accuracy of ML models trained on MS2 data?

Plastic pollution remains one of the most persistent environmental crises, with polystyrene (PS) among the hardest polymers ...

Composition, interactions and resulting inhalation risk of micro- and nano-plastics in urban air. Commun Earth Environ 6, 985 (2025). DOI: 10.1038/s43247-025-02980-0 This research was funded by the ...

Although plastic particles in the air are increasingly coming into focus, knowledge about their distribution and effects is still limited. Chemical analyses from Leipzig now provide details from ...

The nominations for the 2026 class of the Rock and Roll Hall of Fame have been announced, and this year’s slate of musical icons spans the full spectrum of modern sound, from heavy metal maestros to a ...

Opioid poisoning is a major worldwide public health issue, with increasing rates attributed to both traditional opiates and synthetic derivatives such as methadone. Reliable assessment of serum opioid ...

Using Raman microspectroscopy, microplastic particles were detected in 60% of patient samples, with individual particles ranging from 1.2 to 40.3 µm in diameter. While cautioning that the study was ...

In a recent study published in the Journal of Archaeological Science, Wanyue Zhao and her colleagues used volatile organic compounds (VOCs) to analyze the composition of scents given off by mummies ...

气相色谱仪（GC）与质谱仪（MS）的联用技术（GC-MS），是分析化学领域不可或缺的“黄金搭档”。它通过色谱的高分离能力与质谱的强定性能力，实现复杂基质中挥发性化合物的精准分析。对于实验室、科研、检测及工业领域从业者而言，掌握这一技术不仅能 ...

Periodontitis is a growing public health concern worldwide. Salivary volatile metabolites have emerged as promising biomarkers for the diagnosis of periodontal disease. However, research on the ...