SEIBERT, Florence Barbara (1897 – 1991)
1897 – 1991
2 entries in the GMN corpus.
Image source Smithsonian Institution · Flickr : Florence Barbara Seibert (1897-1991) · Public domain
1926 CE
#12386
Isolation of a crystalline protein with tuberculin activity.
Siebert identified the active agent in tuberculin as a protein.
1934 CE
#12387
The isolation and properties of the purified protein derivative of tuberculin
Purification of tuberculin (PPD). By the 1940s Seibert's PPD was the international standard for tuberculin tests.