The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

Brazilian researchers have developed an electrochemical sensor that can detect pancreatic cancer in its early stages. The device identifies the biomarker molecule CA19-9, which is associated with the ...

Over the past 30 years, enzyme-linked immunosorbent assay (ELISA) has become a ubiquitous tool across various research fields. It has numerous applications, from screening for human immunodeficiency ...

ELISA (enzyme-linked immunosorbent assay) is a powerful and well-established method that enables researchers to detect and quantify a wide range of soluble substances, such as peptides, proteins, ...

Immunologists typically employ several in vitro techniques to analyze immune system cells, including flow cytometry, polymerase chain reaction (PCR) tests, and various enzyme-linked immunosorbent ...

Biomarker analysis is typically performed using single-plex analysis of protein expression via immunohistochemistry; however, the expanding repertoire of biomarkers and the decreasing size of tumor ...