With delicate hues of purple and pink, a lab technique called gram staining has reliably characterized bacteria for more than a century. Yet many scientists are mistaken about why the vivid method ...

Immunoenzymatic chromogen staining is an immunology staining technique used to visually detect two or more antigenic markers within a single tissue sample (colocalization). With the help of chromogens ...

Assistant to Physicians to Out-Patients, Massachusetts General Hospital; Assistant Physician to Out-Patients, Carney Hospital, Boston. (From the service of Dr. Frederick C. Shattuck, of the ...

In many cases, researchers are faced with the need to detect two or more antigens in a single tissue specimen. The creates an issue called ‘colocalization’, where an antibody binds to multiple ...