Optical biosensors are rapid, real-time, and portable, have a low detection limit and a high
sensitivity, and have a great potential for diagnosing various types of cancer. Optical …

Since the ferromagnetic (Fe 3 O 4) nanoparticles were firstly reported to exert enzyme-like
activity in 2007, extensive research progress in nanozymes has been made with deep …

The current advancements in nanotechnology are as an outcome of the development of
engineered nanoparticles. Various metallic nanoparticles have been extensively explored …

The article starts with a brief history of discovery of cancer biomarkers followed by statistical
data on published cancer biomarkers detection strategies in the last decade to demonstrate …

A biomarker is a physiological observable marker that acts as a stand-in and, in the best-
case scenario, forecasts a clinically significant outcome. Diagnostic biomarkers are more …

Surface plasmon resonance approach is a highly useful option to offer optical and label-free
detection of target bioanalytes with numerous advantages (eg, low-cost fabrication …

Colorimetric sensors have been widely used to detect numerous analytes due to their cost-
effectiveness, high sensitivity and specificity, and clear visibility, even with the naked eye. In …

Cancer is a major global health burden and poor survival rates can be attributed to lack of
early diagnosis and limited access to timely and standard treatments. Significant progress …

Gold nanoparticles (AuNPs) are highly compelling nanomaterials for biomedical studies due
to their unique optical properties. By leveraging the versatile optical properties of different …

Herein, an electrochemical (EC)–photoelectrochemical (PEC) dual-mode biosensor was
constructed for cytokeratin 19 fragment 21-1 (CYFRA21-1) assay based on the dual …