Lab Diagnosis of Parasitic Disease

Sabin-Feldman dye test

Last updated on May 30th, 2021The serodiagnosis of Toxoplasma gondii infection is widely used for screening pregnant women in order to prevent congenital toxoplasmosis. The Sabin-Feldman dye test was the first test system able to […]

Immunology

Antigens in disease diagnosis

Last updated on May 25th, 2021Detection of specific antigens present in the sample (blood, urine, CSF, or stool) using immunologic methods such as precipitin tests, particle agglutination tests, immunofluorescence, immunochromatographic or enzyme immunoassays are the […]

Lab Diagnosis of Parasitic Disease

Foldscope: Paper Microscope

Last updated on June 4th, 2021Foldscope is a paper microscope that is built by folding the paper in an origami fashion. Prof. Manu Prakash and Jim Cybulski at Stanford University invented it in 2012. Unlike […]

LD Bodies for Kala-azar diagnosis
Lab Diagnosis of Parasitic Disease

Giemsa Stain: Principle, Procedure, Results

Last updated on June 7th, 2021Giemsa stain is a type of Romanowsky stain, named after Gustav Giemsa, a German chemist who created a dye solution. It was primarily designed for the demonstration of malarial parasites […]

Lab Diagnosis of Parasitic Disease

Kato Katz Technique: Principle, Procedure, Results

Last updated on June 1st, 2021Kato Katz technique is used for qualitative and semi-quantitative diagnosis of intestinal helminthic infestations; caused by  Ascaris lumbricoides, Trichuris trichiura, hookworm, and especially  Schistosoma spp. WHO has recommended Kato Katz technique in […]

Lab Diagnosis of Parasitic Disease

NNN medium:  Composition, Preparation, Results

Last updated on June 2nd, 2021The NNN (Novy-MacNeal-Nicolle), the medium is a common and world-known medium for isolation of the agent of the genus Leishmania, which causes leishmaniasis (cutaneous, mucocutaneous, or visceral). The culture of this organism in […]