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VITROS® Automation Solutions is intended to automate pre-analytical sample processing in the clinical laboratory. VITROS® Automation Solutions allows the consolidation of software, automation modules and clinical analyzers, such as VITROS® Systems into a unified workstation to perform a variety of assays such as total T4, carbamazepine and gentamicin. Carbamazepine measurements are used to monitor patient compliance and therapy, and to diagnose potential overdose. Gentamicin measurements are used in the diagnosis and treatment of gentamicin overdose and in monitoring levels of gentamicin to ensure appropriate therapy. Total thyroxine (T4) measurements are used to aid in the differential diagnosis of thyroid disease.

VITROS® Automation Solutions is a configurable, scalable laboratory automation system (LAS) designed to streamline pre and post analytical processes in the clinical laboratory. VITROS® Automation Solutions is comprised of personal computer (PC) Kit(s) (including software and hardware), sample conveyors with turns, parallel and perpendicular bypasses, storage module, single-tube entry, rack entry and exit, centrifuge, de-capper modules and clinical analyzers. In the basic configuration, patient sample tubes are loaded onto the automation track to be centrifuged, de-capped, and sorted for further processing on clinical analyzers such as the VITROS® Systems. Additional modules may be added to enable aliquot capability, sample capping, and refrigerated storage. Parallel and perpendicular bypasses are extensions of the automation track that link with an analyzer's existing laboratory automation system (LAS) interface. These bypasses support on-track metering at the analyzer based on point-in-space pipetting technology and robotic interface module (RIM). With point in space pipetting, the automation performs the sample bar code read function, presents the sample identification to the connected analyzer, and then signals for direct sampling of the open tube by the connected analyzer at an aspiration point on the automation track. With robotic interface modules, the sample tube is transferred to the analyzer and the analyzer will read the bar code to identify the sample, aspirate sample from the tube and perform the test(s) requested and then return the tube to the LAS. VITROS® Automation Solutions allows the establishment of a connection with clinical analyzers such as VITROS® Systems to enable sample routing based on reagent and calibration status. The clinical analyzers, such as VITROS® Systems, will perform all functions with respect to result generation, including sample metering, assay processing and reporting for the assays. The VITROS® Systems are fully automated, computer controlled, clinical chemistry and immunodiagnostic analyzers intended for the in vitro determination of a variety of general chemistries, therapeutic drugs, drugs of abuse, proteins, infectious diseases, as well as cardiac, metabolic, thyroid, anemia, and oncology markers in biological fluids such as serum, plasma, urine and cerebral spinal fluid. The VITROS® Systems operate in conjunction with VITROS® Immunodiagnostic and Chemistry Products, reagents, calibrators and controls designed for use with the systems in the MicroSlide, MicroTip or MicroWell format. Representative assays (carbamazepine, gentamicin and total thyroxine) are used to demonstrate acceptable performance.

The ACE y-GT Reagent is intended for the quantitative determination of gamma-glutamyltransferase activity in serum and lithium heparin plasma using the ACE, ACE Alera, and ACE Axcel Clinical Chemistry Systems. Gamma-glutamyltransferase measurements are used in the diagnosis and treatment of liver diseases such as alcoholic cirrhosis and primary and secondary liver tumors. This test is intended for use in clinical laboratories and physician office laboratories. For in vitro diagnostic use only. The ACE Lipase Reagent is intended for the quantitative determination of lipase activity in serum and lithium heparin plasma using the ACE, ACE Alera, and ACE Axcel Clinical Chemistry Systems. Lipase measurements are used in diagnosis and treatment of diseases of the pancreas such as acute pancreatitis and obstruction of the pancreatic duct. This test is intended for use in clinical laboratories and physician office laboratories. For in vitro diagnostic use only. The ACE T4 Reagent is intended for the quantitative determination of total thyroxine (T4) in serum and lithium heparin plasma using the ACE, ACE Alera, and ACE Axcel Clinical Chemistry Systems. Total thyroxine measurements are used in the diagnosis and treatment of thyroid diseases. This test is intended for use in clinical laboratories and physician office laboratories. For in vitro diagnostic use only.

In the ACE γ-GT Reagent assay, γ-GT in serum or heparin plasma catalyzes the transfer of the γ-glutamyl group from L-γ-glutamyl-3-carboxy-4-nitroanilide to glycylglycine in the reagent. The product, 5-amino-2-nitrobenzoate, absorbs strongly at 408 nm. The rate of increase in absorbance, monitored bichromatically at 408 nm/486 nm, is directly proportional to the γ-GT activity in the sample. In the ACE Lipase Reagent Assay, lipase in serum or heparin plasma acts on a natural substrate, 1,2-diglyceride, to liberate 2-monoglyceride. This is hydrolyzed by monoglyceride lipase (a highly specific enzyme for monoglyceride) into glycerol and free fatty acid. Glycerol kinase acts on glycerol to form glycerol-3-phosphate, which is in turn acted on by glycerol-3-phosphate oxidase to generate hydrogen peroxide. Peroxidase converts the hydrogen peroxide, 4-Aminoantipyrine and TOOS (N-ethyl-N-(2-hydroxy-3-sulfopropyl)-m-toluidine) into a quinine dye. The rate of formation of the dye, determined bichromatically at an absorbance of 573 nm/692 nm, is proportional to the lipase activity in the sample. The ACE T4 Assay is a homogeneous enzyme immunoassay using ready-to-use liquid ACE T4 Reagent. The assay uses 8-anilino-1-naphthalene sulfonic acid (ANS) to dissociate thyroxine from the plasma binding proteins. Using specific antibodies to thyroxine, this assay is based on the competition of glucose-6-phosphate dehydrogenase (G6PD) labeled thyroxine and the dissociated thyroxine in the sample for a fixed amount of specific antibody binding sites. In the absence of thyroxine from the sample, the thyroxine labeled G6PD in the second reagent is bound by the specific antibody in the first reagent, inhibiting the enzyme's activity. The enzyme G6PD catalyzes the oxidation of glucose-6-phosphate (G6P) with nicotinamide adenine dinucleotide (NADT) to form 6-phosphogluconate and reduced nicotinamide adenine dinucleotide (NADH). NADH strongly absorbs at 340 nm whereas NAD does not. The rate of conversion, determined by measuring the increase in absorbance bichromatically at 340 nm/505 nm during a fixed time interval, is directly proportional to the amount of thyroxine in the sample. The concentration of thyroxine is determined automatically by the ACE Clinical Chemistry Systems using a logarithmic calibration curve established with calibrators, which are provided separately.

The GSP Neonatal Thyroxine (T4) kit is intended for the quantitative determination of human thyroxine (T4) in blood specimens dried on filter paper as an aid in screening newborns for congenital (neonatal) hypothyroidism using the GSP instrument.

The GSP Neonatal T4 assay is a solid phase time-resolved fluoroimmunoassay based on the competitive reaction between europium-labeled T4 and sample T4 for a limited amount of binding sites on T4 specific monoclonal antibodies (derived from mice). The use of 8-anilino-1-naphthalenesulfonic acid (ANS) and salicylate in the T4 Assay Buffer facilitates the release of T4 from the binding proteins. Thus the assay measures the total amount of T4 in the test specimen. A second antibody, directed against mouse IgG, is coated to the solid phase, and binds the IgG-thyroxine complex, giving convenient separation of the antibody-bound and free antigen. DELFIA Inducer dissociates europium ions from the labeled antibody into solution where they form highly fluorescent chelates with components of DELFIA Inducer. The fluorescence in each well is then measured. The fluorescence of each sample is inversely proportional to the concentration of T4 in the sample.

The ADVIA Centaur with StreamLAB® Analytical Workcell is an automated immunoassay analyzer designed to perform in vitro diagnostic immunochemical assay analysis on clinical specimens. The system menu will include assays based on chemiluminescent technology, such as Thyroxine, along with other various chemiluminescent assays that may be adaptable to the analyzer depending on the reagent used to induce the chemiluminescent reaction. The ADVIA Centaur T4 assay is for in vitro diagnostic use in the quantitative determination of thyroxine (T4) in serum on the ADVIA Centaur and ADVIA Centaur XP systems. Measurements obtained by this device are used in the diagnosis and treatment of thyroid diseases.

The ADVIA Centaur® is a continuous operation, immunochemistry analyzer designed to perform in vitro diagnostic testing on clinical specimens. The StreamLAB® Analytical Workcell is a laboratory automation system (LAS) designed to automate sample handling and processing in the clinical laboratory. The ADVIA Centaur® with StreamLAB® Analytical Workcell combines the features of both the analyzer and the laboratory automation system. The StreamLAB routes samples to the Centaur analyzer based on test request information it (StreamLAB) receives from the Laboratory Information System (LIS) and the test map established for the Centaur analyzer. StreamLAB and Centaur communicate sample and analyzer status via Centaur's Laboratory Automation System (LAS) interface. Via its LIS interface, the Centaur analyzer interfaces separately with the hospital's LIS to receive its test instructions (test requests) and to report results for each sample. Centaur's test instructions and test results for each sample are not processed through the StreamLAB. The StreamLAB performs the following pre and post-analytical functions. - Sample bar code identification (previously performed by the Centaur) . - . Sample transport and tracking - . Sample centrifugation (optional functionality) - . Sample de-capping (optional functionality) - Sample transport and tracking - Tube sealing (optional functionality) . The Centaur continues to perform the following functions, when connected to the StreamLAB. - . All functions except reading the sample tube bar code. When Centaur is connected to StreamLAB, samples can be loaded directly onto Centaur and/or loaded onto StreamLAB and routed to Centaur. For samples loaded onto StreamLAB, StreamLAB reads the sample tube bar code (sample identification) and passes it electronically to Centaur via the LAS interface to Centaur.

The test is intended for the quantitative determination of Thyroxine (T4) in blood specimens dried on the filter paper for screening newborns for congenital (neonatal) hypothyroidism.

AccuBind™ Neo-Natal T4 Microplate EIA

The Access Total T4 assay is a paramagnetic particle, chemiluminescent immunoassay for the quantitative determination of total thyroxine (T4) levels in human serum and plasma using the Access® Immunoassay Systems. The Access Total T4 assay provides in vitro quantitative measurement of total thyroxine (T4) levels in human serum or plasma. The Access Total T4 assay is indicated for use with patients where an evaluation of their thyroid status is desired.

The Access® Total T4 assay consists of the reagent pack and calibrators. Consumables required for the assay include substrate and wash buffers.

The BioCheck Total T4 EIA is intended for the quantitative determination of total thyroxine (T4) in human serum. This test is useful in the diagnosis and treatment of thyroid diseases.

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A total thyroxine test system is a device intended to measure total (free and protein bound) thyroxine (thyroid hormone) in serum. Measurements obtained by this device are used in the diagnosis and treatment of thyroid diseases.

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