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 ...

To date, examining patient tissue samples has meant cutting them into thin slices for histological analysis. This might now be set to change, thanks to a new staining method. This allows specialists ...