Journal Pre-proofs Detecting Urine Metabolites of Bladder Cancer by Surface-enhanced Raman Spectroscopy Dayu Hu, Xiaosong Xu, Zeyin Zhao, Changqi Li, Ye Tian, Qiang Liu, Bo Shao, Shuo Chen, Yue Zhao, Ling Li, Huan Bi, Ang Chen, Cheng Fu, Xiaoyu Cui, Yu Zeng PII: S1386-1425(20)31087-8 DOI: https://doi.org/10.1016/j.saa.2020.119108 Reference: SAA 119108 To appear in: Spectrochimica Acta Part A: Molecular and Bio- molecular Spectroscopy Received Date: 27 May 2020 Revised Date: 10 October 2020 Accepted Date: 13 October 2020 Please cite this article as: D. Hu, X. Xu, Z. Zhao, C. Li, Y. Tian, Q. Liu, B. Shao, S. Chen, Y. Zhao, L. Li, H. Bi, A. Chen, C. Fu, X. Cui, Y. Zeng, Detecting Urine Metabolites of Bladder Cancer by Surface-enhanced Raman Spectroscopy, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (2020), doi: https:// doi.org/10.1016/j.saa.2020.119108 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Elsevier B.V. All rights reserved.