[ASAP] Core–Shell Au@Nanoplastics as a Quantitative Tracer to Investigate the Bioaccumulation of Nanoplastics in Freshwater Ecosystems Posted on 11 August 2023 by Shan-Fei Fu, Li-Juan Feng, Honglu Zhu, Yun Zhang, Xian-Zheng Yuan, Hua Zou, and Rong-Bo Guo Analytical ChemistryDOI: 10.1021/acs.analchem.3c01666