Fabrication of Three-dimentional SERS Substrate in Microfluidic Chip for Label-free Dopamine Sensing

• DOI: 10.1364/fio.2019.jw4a.124
• Publication Date: 2019-10-01T03:39:16Z
• Authors: Lang Li; Zhuyuan Wang; Yang Lu; Zhile Wang; Kuo Yang; Zhaoyan Yang; Shenfei Zong; Yiping Cui
• Keywords: 01 natural sciences; 0104 chemical sciences

Three-dimentional (3D) SERS substrate was fabricated by layer-by-layer assembly of Ag nanostars, which provides greatly enhanced SERS signal and enables the label-free detection of dopamine in serum environment with the limit of detection of 0.1nM.