Author(s): Zhang X; Zhan F; Hao C; Lei YD; Wania F;

One of the challenges arising during non-targeted analysis (NTA) is that the number of detected chemical features is generally too large for detailed processing and interpretation. Here, we illustrate how the analysis of spatial trends in peak intensities can be an effective tool to prioritize chemical features in NTA. Specifically, features detected by g ...

Article GUID: 39912640

Author(s): Zhang X; Bowman DT; Diamond ML; Helm P; Jobst KJ; Hao C; Kleywegt S; Zhang ZF; Marvin C; Zhang X;

Coal tar-related products as a source of polycyclic aromatic compounds (PACs) are particularly concerning due to high PAC concentrations and inadequate source management. Benzo[b]carbazole, a benzocarbazole isomer exclusively found in coal tar-derived products, acts as an ideal marker to distingu ...

Article GUID: 39870568

Author(s): Liu Q; Li L; Zhang X; Saini A; Li W; Hung H; Hao C; Li K; Lee P; Wentzell JJB; Huo C; Li SM; Harner T; Liggio J;

Commercial chemicals are used extensively across urban centres worldwide1, posing a potential exposure risk to 4.2 billion people2. Harmful chemicals are often assessed on the basis of their environmental persistence, accumulation in biological organisms and toxic properties, under international ...

Article GUID: 34912090