Au@Ag-Au Nanotags

Single-molecule SERS signal

Core-shell nanotags with robust single-particle SERS signals enable a digital immunoassay that pushes IL-6 detection to the femtogram level.

Li, Ao · Yu, Lu · Liu, Chang · Yang, Xi · Huang, Yan · Jinliang, Sheng · Zhang, Hui · Meng, Dianhuai · Zhao, Xiangwei

Biosensors and Bioelectronics 2024

Specifications

检出限

{'zh': '12.4', 'en': ''} fg/mL

range fg mL

{'zh': '100', 'en': '1'} ng/mL

Recovery

{'zh': '', 'en': '105.3'} %

Naked-eye colorimetric detection

{'zh': '>1', 'en': '>1'} ng/mL