Franz Ziehl
Encyclopedia
Dr. Franz Ziehl was a German
bacteriologist. He was a professor in Lübeck
. Franz Ziehl introduced the carbolfuchsin stain for the tubercle bacillus
in 1882. With pathologist Friedrich Neelsen
(1854-1898), he developed the Ziehl-Neelsen stain
also known as the acid-fast stain, which is used to identify acid-fast
mycobacteria.
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
bacteriologist. He was a professor in Lübeck
Lübeck
The Hanseatic City of Lübeck is the second-largest city in Schleswig-Holstein, in northern Germany, and one of the major ports of Germany. It was for several centuries the "capital" of the Hanseatic League and, because of its Brick Gothic architectural heritage, is listed by UNESCO as a World...
. Franz Ziehl introduced the carbolfuchsin stain for the tubercle bacillus
Bacillus
Bacillus is a genus of Gram-positive, rod-shaped bacteria and a member of the division Firmicutes. Bacillus species can be obligate aerobes or facultative anaerobes, and test positive for the enzyme catalase. Ubiquitous in nature, Bacillus includes both free-living and pathogenic species...
in 1882. With pathologist Friedrich Neelsen
Friedrich Neelsen
Friedrich Carl Adolf Neelsen was a German pathologist.-Life:Friedrich C.A. Neelsen was born to Hans Friedrich Neelsen, deacon of the Uetersen vicarage, and his wife Bertha Sophia . He attended school in Uetersen and later in Altona...
(1854-1898), he developed the Ziehl-Neelsen stain
Ziehl-Neelsen stain
The Ziehl–Neelsen stain, also known as the acid-fast stain, was first described by two German doctors; Franz Ziehl , a bacteriologist and Friedrich Neelsen , a pathologist. It is a special bacteriological stain used to identify acid-fast organisms, mainly Mycobacteria...
also known as the acid-fast stain, which is used to identify acid-fast
Acid-fast
Acid-fastness is a physical property of certain bacteria, specifically their resistance to decolorization by acids during staining procedures.Acid-fast organisms are difficult to characterize using standard microbiological techniques Acid-fastness is a physical property of certain bacteria,...
mycobacteria.