Intended use:

For in vitro diagnostic use. The RIDASCREEN® VZV tests are enzyme immunoassays for the quantitative determination of IgG, IgA or IgM antibodies against varicella zoster virus (VZV) in human serum. The tests should be used for confirmation purposes when there is a suspected case of VZV infection or for clarifying the immune status.

General information:

After infection with VZV, specific antibodies are formed against the pathogen as a result of the response from the immune system. By using immunological methods, it is possible to determine the antibodies in the serum. The test method used and the choice of the pathogen-specific antigen both have a significant influence on the test result.

Because it is possible to differentiate between the individual immunoglobulin classes in the enzyme immunoassay, more precise statements about the immunological status of a patient can be made than those which are based on other serological methods (such as the haemagglutination inhibition test or the complement fixation test).

Test principle:

Purified antigens are coated to a microwell plate. Antibodies in the patient samples bind to the antigens and are determined during the second incubation step by using enzyme-labelled anti-human antibodies (the conjugate). The enzyme converts the colourless substrate (H2O2/TMB) to a blue end product. The enzyme reaction is stopped by adding sulphuric acid and the colour of the mixture switches from blue to yellow at the same time. The final measurement is carried out at 450 nm on a photometer using a reference wavelength ≥ 620 nm.

Specifications
Art. No. K56**
Test format Article no. K5611
VZV IgA (96 determinations)

Article no. K5621
VZV IgG (96 determinations)

Article no. K5631
VZV IgM (96 determinations)

Microtiter plate with 96 wells (12 strips with 8 removable wells each)
Incubation time 3 x 30 min at 37 °C
Sensitivity 100.0% (IgA)
100.0% (IgG)
91.2% (IgM)
Specificity 90.6% (IgA)
100.0% (IgG)
100.0% (IgM)
Files
InstructionsGerman
English
Portuguese
SDSK5611_german.zip (German)
K5621_german.zip (German)
K5631_german.zip (German)
K5611_english.zip (English)
K5621_english.zip (English)
K5631_english.zip (English)
K5611_french.zip (French)
K5621_french.zip (French)
K5631_french.zip (French)
K5611_italian.zip (Italian)
K5621_italian.zip (Italian)
K5631_italian.zip (Italian)
K5611_spanish.zip (Spanish)
K5621_spanish.zip (Spanish)
K5631_spanish.zip (Spanish)
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