Test strips represent a class of point-of-care testing (POCT) tools for analysis of a variety of
biomarkers towards diagnostics. Conventional test strips offer benefits of simple operation …

Recently, Raman spectroscopy has been developed rapidly and employed for food quality
assurance and safety monitoring due to its distinctive advantages of water-insensitive, real …

Metabolites are important biomarkers in human body fluids, conveying direct information of
cellular activities and physical conditions. Metabolite detection has long been a research …

The global urgency surrounding the COVID-19 pandemic caused by the SARS-CoV-2 virus
underscores the need for effective strategies in promptly controlling its spread and ensuring …

With the continuous discovery and research of predictive cancer-related biomarkers, liquid
biopsy shows great potential in cancer diagnosis. Surface-enhanced Raman scattering …

Time-gated (TG) Raman spectroscopy (RS) has been shown to be an effective technical
solution for the major problem whereby sample-induced fluorescence masks the Raman …

Lateral flow assays (LFAs) are a popular method for quick and affordable diagnostic testing
because they are easy to use, portable, and user-friendly. However, LFA design has always …

Raman spectroscopy provides non-destructive, label-free quantitative studies of chemical
compositions at the microscale as used on NASA's Perseverance rover on Mars. Such …

Smart health monitoring system technologies pertaining to the biomedical domain has
evinced intense interest, which in turn has led the emphasis on unconventional applications …

We report the fabrication of a low-cost paper-based SERS platform with enhanced sensing
capabilities. The sensor consists of a highly concentrated glycerol/ethanol dispersion of ca …