Rapid progress in identifying biomarkers that are hallmarks of disease has increased
demand for high-performance detection technologies. Implementation of electrochemical …

DNAzymes have several practical advantages when compared to protein enzymes and
ribozymes and thus have been extensively used for developing analytical techniques. 6− 18 …

Hybridization chain reaction (HCR) provides multiplexed, isothermal, enzyme-free,
molecular signal amplification in diverse settings. Within intact vertebrate embryos, where …

DNAzymes, screened through in vitro selection, have shown great promise as molecular
tools in the design of biosensors and nanodevices. The catalytic activities of DNAzymes …

In this work, a label-free electrochemical immunosensor was developed for the quantitative
detection of carcinoembryonic antigen (CEA). Flower-like Ag/MoS 2/rGO nanocomposites …

A novel reverse colorimetric immunoassay (RCIA) strategy was for the first time designed
and utilized for sensitive detection of low-abundance protein (prostate-specific antigen, PSA …

Organic dyes are typically applied as photosensitizers in photoelectrochemical (PEC) cells
but have not been reported in polarity-reversal-mode PEC sensors with excellent sensitivity …

The persistent coronavirus disease 2019 (COVID-19) pandemic caused by severe acute
respiratory syndrome coronavirus-2 (SARS-CoV-2) is still infecting hundreds of thousands of …

An interdigitated capacitance immunosensing system based enzymatic biocatalytic
precipitation on micro-comb electrode was designed for the sensitive detection of prostate …

Electrochemical enzyme-linked immunosorbent assay (ELISA)-based immunoassays for
cancer biomarker detection have recently attracted much interest owing to their higher …