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產(chǎn)品名稱(chēng)

Anti-Phosphatidylserine ELISA from EAGLE BIOSCIENCES INC.

產(chǎn)品貨號(hào)

PDL31-K01

產(chǎn)品價(jià)格

現(xiàn)貨詢(xún)價(jià)，電話：010-67529703

產(chǎn)品規(guī)格

1 x 96 well

產(chǎn)品品牌

EAGLE BIOSCIENCES INC.

產(chǎn)品概述

產(chǎn)品詳情

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Product Name	Anti-Phosphatidylserine ELISA
Description	The Eagle Biosciences Anti-Phosphatidylserine ELISA Assay Kit is used for the highly sensitive determination of autoantibodies to phosphatidyl-serine in human serum. The antibodies of calibrators, control and diluted patient samples react with an Antigens complex consisting of phosphatidyl-serine and the cofactor β2-GP I immobilized on the solid phase of microtiter plates. Following an incubation period of 60 min at room temperature, unbound sample components are removed by a wash step. The bound antibodies react specifically with anti-human-IgG or anti-human-IgM conjugated to horseradish peroxidase (HRP) within the incubation period of 30 min at room temperature (RT). Excessive conjugate is separated from the solid-phase immune complexes by the following wash step. HRP converts the colorless substrate solution of 3,3',5,5'-tetramethyl benzidine (TMB) added into a blue product. The enzyme reaction is stopped by dispensing an acidic solution into the wells after 15 min at room temperature turning the solution from blue to yellow. The optical density (OD) of the solution at 450 nm is directly proportional to the amount of specific antibodies bound. The standard curve is established by plotting the antibody concentrations of the calibrators (x-axis) and their corresponding OD values (y-axis) measured. The concentration of antibodies of the specimen is directly read off the standard curve. Evaluating the test by a semi-quantitative method using a cut-off calibrator is also possible. Sample Types: serum. Range: 3 -300 U/ml. Sensitivity: 3 U/ml. Time: 2.5 hours ? APAS is an autoimmune disorder comprising such clinical symptoms like arterial or venous thrombosis, thrombocytopenia and recurrent fetal loss. Primary APAS as well as systemic lupus erythematosus (SLE) are characterized by the appearance of autoantibodies to negatively charged phospholipids (1). Although significance and pathological relevance of phospholipid antibodies are not completely revealed yet, the detection of such autoantibodies is widely established and plays an important role in the diagnostics of systemic autoimmune diseases. Unlike phospholipid antibodies which appear in some infectious disease patients autoimmune patients exhibit phospholipid antibodies that seem to recognize phospholipids in association with plasma protein cofactors such as β2-glycoprotein I (β2-GP I, apolipoprotein H) (2). β2-GP I, a serum protein with a molecular weight of 50 kDa, affects platelet aggregation and coagulation. The positively charged fifth domain of β2-GP I interacts with negatively charged phospholipids such as phosphatidyl-serine. This interaction results in conformational changes of the protein and the creation of new epitopes apparently recognized by autoimmune phospholipid autoantibodies.
Size	1 x 96 well
Concentration	n/a
Applications	RUO
Other Names	PDL31-K01 ASSAY EIA ELISA IMMUNOASSAY KIT, Anti Phosphatidylserine,APAS
Gene, Accession, CAS #	n/a
Catalog #	PDL31-K01
Price
Order / More Info	Anti-Phosphatidylserine ELISA from EAGLE BIOSCIENCES INC.
Product Specific References	n/a
產(chǎn)品資料

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