(Nanowerk Spotlight) The rapid detection of disease biomarkers is critical for early diagnosis and timely treatment of illnesses. However, conventional methods like immunoassays require labelling and ...

A light-activated graphene and black phosphorus biosensor detects Alzheimer's biomarkers in blood at zeptomole sensitivity, marking a major advance toward ultra-early, non-invasive diagnosis.

This study introduces a novel signal amplification method induced by aggregation, which achieves specific recognition and sensitive detection of two cancer biomarkers through the rational design of ...