TORCH IgM and TORCH IgG Screening Tests

One-step TORCH Antibody Serum Test Devices

TORCH rapid test panel is a rapid qualitative screening test device. One-step TORCH test is a lateral flow testing panel designed for the qualitative detection of antibodies to Toxoplasma gondii (Toxoplasmosis, TOXO), Cytomegalovirus (CMV), Rubella Virus (RV), Herpes Simplex virus I (HSV-1) and Herpes Simplex virus II (HSV-2) respectively. We are supply both TORCH IgM test and TORCH IgG test.

Both TORCH IgM screening test and TORCH IgG screening test are based based on sandwich immunoassay principle, and is a group of immunochromatographic detection assays. When perform the assay with TORCH serum test devices, if any antibody to the above mentioned viruses is present in the samples with a concentration above the cut-off level, enough labeled antibody-dye complex will form. Then this complex is captured by the recombinant antigen immobilized in the test region (T) of the membrane strip, a visible pink or rose color line will emerge, indicating a positive result for the specific virus. The color intensity will depend on the concentration of specific TORCH antibody in the samples. IVD TORCH test kits are used as a screen devices for the health condition of fetuses.

Background: The acronym TORCH was introduced in 1971 by Nahmias et al. to highlight a group of viral diseases which affect the foetus and newborn, namely Toxoplasma gondii, rubella virus, cytomegalovirus (CMV), and herpes simplex virus (HSV). These diseases often lead to a similar clinical picture which includes one or more of the following clinical signs: low birth weight, prematurity, purpura, jaundice, anemia, microcephaly, hydrocephaly, cerebral calcification, chorioretinitis, cataracts, microphthalmia, and pneumonitis. TORCH screening is now widely requested by clinicians investigating infants and pregnant women for congenital, perinatal and neonatal infections.

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