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Elecsys Anti-SARS-CoV-2 is an immunoassay intended for the in vitro qualitative detection of total antibodies to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in human serum and Li-heparin, K2-EDTA and K3-EDTA plasma collected on or after 15 days post-symptom onset. The test is intended as an aid in identifying individuals with an adaptive immune response to SARS-CoV-2, indicating recent or prior infection. The electrochemiluminescence immunoassay "ECLIA" is intended for use on cobas e 601 immunoassay analyzer.

Elecsys Anti-SARS-CoV-2 is a qualitative, serological, double-antigen sandwich principle immunoassay to be used on the cobas e 601 analyzer with an 18-minute test time. Results are determined automatically by the software by comparing the electrochemiluminescence signal obtained from the reaction product of the sample with the signal of the cutoff value previously obtained by calibration. The Elecsys Anti‑SARS‑CoV-2 assay uses a recombinant protein representing the nucleocapsid (N) antigen for the determination of antibodies against SARS‑CoV‑2. The reagent working solutions include: rackpack (kit placed on the analyzer) - M Streptavidin-coated microparticles (transparent cap), 1 bottle, 12 mL: Streptavidin-coated microparticles 0.72 mg/mL; preservative. - R1 SARS-CoV-2-Ag~biotin, (gray cap), 1 bottle, 16 mL: Biotinylated SARS‑CoV‑2‑specific recombinant antigen (E. coli) < 0.5 mg/L; HEPES^a) buffer 50 mmol/L, pH 7.7; preservative. - R2 SARS-CoV-2 Ag~Ru(bpy) (black cap), 1 bottle, 16 mL: SARS‑CoV‑2‑specific recombinant antigen labeled with ruthenium complex < 0.5 mg/L; HEPES^(b) buffer 50 mmol/L, pH 7.7; preservative. ^(a) HEPES = [4-(2-hydroxyethyl)-piperazine]-ethane sulfonic acid The Elecsys Anti-SARS-CoV-2 assay includes two liquid calibrators, which are packed with the test kit: - ACOV2 Cal1 Negative calibrator 1 (white cap), 2 bottles of 0.67 mL: Human serum, non-reactive for anti‑SARS‑CoV‑2 antibodies; buffer; preservative. - ACOV2 Cal2 Positive calibrator 2 (black cap), 2 bottles of 0.67 mL: Human serum, reactive for anti‑SARS‑CoV‑2 antibodies; buffer; preservative.

Immunoassays for the in vitro quantitative determination of the soluble fms like tyrosine kinase-1/placental growth factor (sFlt-1/PlGF) ratio in human serum. The sFlt-1/PlGF ratio is indicated as an aid in the risk assessment of pregnant women, with a singleton pregnancy (23+0 to 34+6/7 weeks' gestation) hospitalized for hypertensive disorders of pregnancy (preeclampsia, chronic hypertension with or without superimposed preeclampsia, or gestational hypertension), to develop preeclampsia with severe features within two weeks from testing. The sFit-1/PlGF ratio should be used in conjunction with clinical assessment and routine laboratory testing. The electrochemiluminescence immunoassay "ECLIA" is intended for use on cobas e immunoassay analyzers.

The Elecsys sFlt-1 and Elecsys PlGF assays employ a sandwich principle using electrochemiluminescence immunoassay "ECLIA" technology. The total duration of each assay is 18 minutes. Samples are incubated with biotinylated and ruthenium-labeled monoclonal antibodies specific to sFlt-1 or PlGF, forming a sandwich complex. Streptavidin-coated microparticles are added, binding the complex to the solid phase. The microparticles are magnetically captured, unbound substances are removed, and a voltage is applied to induce chemiluminescent emission, which is measured by a photomultiplier. Results are determined via a calibration curve generated by 2-point calibration and a master curve provided via the reagent barcode. The reagents for each assay are combined in a "rackpack".

The Tina-quant Lipoprotein (a) Gen.2 Molarity assay is an in vitro test for the quantitative determination of lipoprotein (a) [Lp(a]] in human serum and plasma on cobas c systems. The measurement of Lp(a) is useful in evaluating lipid metabolism disorders and assessing atherosclerotic cardiovascular disease risk, when used in conjunction with clinical evaluation and other lipoprotein tests.

The Tina-quant Lipoprotein (a) Gen.2 Molarity assay is an in vitro test for the quantitative determination of lipoprotein (a) [Lp(a)] in human serum and plasma on cobas c systems. The measurement of Lp(a) is useful in evaluating lipid metabolism disorders and assessing atherosclerotic cardiovascular disease risk, when used in conjunction with clinical evaluation and other lipoprotein tests. Tina-quant Lipoprotein (a) Gen.2 Molarity assay quantifies lipoprotein (a) in human serum and plasma and reports the values in nmoVL with calibrator values traceable to the WHO/IFCC SRM2B reference material. Reagents - working solutions R1: Glycine buffer: 170 mmol/L. pH 7.0: stabilizers: BSA: rabbit serum 0.1 %, preservative R3: Latex particles coated with polyclonal anti-human lipoprotein (a) antibodies (rabbit): 0.5 %; glycine buffer: 170 mmol/L, pH 7.3, BSA; preservative

Binding assay for the in vitro quantitative determination of folate in erythrocytes (red blood cells, RBC). Folate measurements are used in the diagnosis and treatment of anemia. The electrochemiluminescence immunoassay "ECLIA" is intended for use on cobas e immunoassay analyzers.

Elecsys Folate III is a binding assay that makes use of a competitive test principle using a ruthenium labeled folate-binding assay. Elecsys Folate III is a binding assay for the in vitro quantitative determination of folate in erythrocytes (red blood cells, RBC). Folate measurements are used in the diagnosis and treatment of anemia. The electrochemiluminescence immunoassay "ECLIA" is intended for use on cobas e immunoassay analyzers. Whole blood treated with anticoagulants (heparin or EDTA) is mixed with ascorbic acid solution and incubated for approximately 90 minutes at 20-25 °C. Lysis of the erythrocytes takes place, with liberation and stabilization of the intracellular folate. The resulting hemolysate sample is then used for subsequent measurement. Results are determined via a calibration curve, which is instrument-specifically generated by 2point calibration, and a master curve provided via the cobas link.

Immunoassay for the in vitro quantitation of intact parathyroid hormone in human serum and plasma for the differential diagnosis of hypercalcemia and hypocalcemia. This assay can be used intraoperatively. The electrochemiluminescence immunoassay "ECLIA" is intended for use on cobas e immunoassay analyzers

Both the Elecsys PTH and Elecsys PTH STAT immunoassays make use of a sandwich test principle using a biotinylated monoclonal PTH-specific antibody labeled with a ruthenium complex. Both the Elecsys PTH and Elecsys PTH STAT immunoassays are intended for the in vitro quantitative determination of intact parathyroid hormone in human serum and plasma for the differential diagnosis of hypercalcemia and hypocalcemia. These assays can be used intraoperatively. They are intended for use on the cobas e immunoassay analyzers. Results are determined via a calibration curve which is instrument-specifically generated by a two-point calibration and a master curve provided via the reagent barcode. The reagent working solutions include: Rack Pack (kit placed on the analyzer) - M Streptavidin coated microparticles (transparent cap), 1 bottle, 6.5 mL: Streptavidin . coated microparticles 0.72 mg/mL; preservative. - . R1 Anti PTH Ab~biotin (gray cap), 1 bottle, 7 mL: Biotinylated monoclonal anti PTH antibody (mouse) 2.3 mg/L; phosphate buffer 100 mmol/L, pH 7.0; preservative. - . R2 Anti PTH Ab~Ru(bpy) (black cap), 1 bottle, 7 mL: Monoclonal anti PTH antibody (mouse) labeled with ruthenium complex 2.0 mg/L; phosphate buffer 100 mmol/L, pH 7.0; preservative.

ONLINE TDM Methotrexate is an in vitro test for the quantitative determination of methotrexate in human serum and plasma on cobas c systems. The determination of methotrexate is used for monitoring levels of methotrexate to ensure appropriate therapy.

The ONLINE TDM Methotrexate assay is an in vitro test for the quantitative determination of methotrexate in human serum and plasma on cobas c systems. The determination of methotrexate is used for monitoring levels of methotrexate to ensure appropriate therapy. The ONLINE TDM MTX assay is a two-reagent system used for the detection of methotrexate in serum and plasma. In this technology drug hapten attached to the enzyme glucose 6 phosphate dehydrogenase (G6PDH) serves as the binding partner to anti-methotrexate antibody. A competitive reaction to a limited amount of specific anti-methotrexate antibody takes place between the enzyme bound hapten and free methotrexate in the sample. Enzyme activity is reduced with bound antibody. Only active enzymes reduce NAD+ to NADH. The rate of NADH formation during the reaction correlates to the methotrexate concentration and is measured photometrically. The ONLINE TDM MTX assay is a homogeneous enzyme-immunoassay. Reagents - working solutions R1: Anti-methotrexate antibody (rabbit monoclonal), 3 µg/mL; NAD, G6P, bovine serum albumin in water, pH 6.3; preservative R3: Methotrexate hapten conjugated to G6PDH, 0.3 µg/mL; bovine serum albumin in buffer, pH 7.8; preservative

Immunoassay for the in vitro quantitative determination of thyroglobulin in human serum and plasma. Determination of Tg is used as an aid in monitoring for the presence of persistent or recurrent/metastatic disease in patients who have differentiated thyroid cancer (DTC) and have had thyroid surgery (with or without ablative therapy). The electrochemiluminescence immunoassay "ECLIA" is intended for use on cobas e immunoassay analyzers.

The Tg II immunoassay makes use of a two-step, double antigen sandwich principle using a biotinylated monoclonal Tg-specific antibody and monoclonal Tg-specific antibodies labeled with a ruthenium complex. The Tg II immunoassay is intended for the in vitro quantitative determination of thyroglobulin in human serum and plasma. Determination of Tg is used to aid in monitoring for the presence of persistent or recurrent/metastatic disease in patients who have differentiated thyroid cancer (DTC) and have had thyroid surgery (with or without ablative therapy). It is intended for use on the cobas e immunoassay analyzers. Results are determined via a calibration curve which is instrument-specifically generated by 2-point calibration and a master curve provided via the reagent barcode or e-barcode.

Immunoassay for the in vitro quantitative determination of antibodies to thyroglobulin in human serum and plasma. The anti-Tg autoantibodies determination is used as an aid in the detection of autoimmune thyroid diseases in conjunction with other laboratory and clinical findings. The electrochemiluminescence immunoassay "ECLIA" is intended for use on the cobas e 411 immunoassay analyzer.

The Elecsys Anti-Tg immunoassay makes use of a competitive test principle using biotinylated human antigen and monoclonal human anti-Tg antibodies labeled with a ruthenium complex. The Elecsys Anti-Tg immunoassay is intended for the quantitative determination of antibodies to thyroglobulin in human serum and plasma. It is intended for use on the cobas e immunoassay analyzers. Results are determined via a calibration curve which is instrument-specifically generated by 2 point calibration and a master curve provided via the reagent barcode or e barcode.