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The Dimension® EXL™ LOCI® BRAHMS Procalcitonin (PCT) assay is an in vitro diagnostic test for the quantitative measurement of procalcitonin in human serum and plasma (lithium heparin, K2EDTA, and K3EDTA) using the Dimension® EXL™ integrated chemistry system with LOCI® Module. The Dimension EXL LOCI® BRAHMS PCT assay is intended for use in conjunction with other laboratory findings and clinical assessments, as an aid in: · The risk assessment of critically ill patients on their first day of Intensive Care Unit (ICU) admission for progression to severe sepsis and septic shock. • Assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission using percentage change in PCT levels over time. · Decision making on antibiotic therapy for patients with suspected or confirmed lower respiratory tract infections (LRTI) - defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD) - in an inpatient setting or an emergency department. · Decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis.

The Dimension EXL LOCI BRAHMS PCT assay is a homogeneous sandwich chemiluminescent immunoassay based on LOCI technology. The LOCI reagents include two synthetic bead reagents and one biotinylated anti-procalcitonin (anti-PCT) monoclonal antibody. The first bead reagent (Sensibeads) is coated with streptavidin and contains photosensitizer dye. The second bead reagent (Chemibeads) is coated with two anti-PCT monoclonal antibodies and contains chemiluminescent dye. Sample is incubated with biotinylated antibody and Chemibeads to form bead-PCT-biotinylated antibody sandwiches. Sensibeads are added and bind to the biotin to form bead-pair immunocomplexes. Illumination of the complex at 680 nm generates singlet oxygen from Sensibeads which diffuses into the Chemibeads, triggering a chemiluminescent reaction. The resulting signal is measured at 612 nm and is a direct function of the procalcitonin (PCT) concentration in the sample.

Immunoassay for the in vitro quantitative determination of PCT (procalcitonin) in human serum and plasma (K2 –EDTA, K3-EDTA and Li-Heparin). The electrochemiluminescence immunoassay "ECLIA" is intended for use on Elecsys and cobas e immunoassay analyzers. Used in conjunction with other laboratory findings and clinical assessments, Elecsys B R A - H M S PCT is intended for use as follows: · to aid in the risk assessment of critically ill patients on their first day of ICU admission for progression to severe sepsis and septic shock, · to determine the change in PCT level over time as an aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, · to aid in decision making on antibiotic therapy, for inpatients in the emergency department with suspected or confirmed lower respiratory tract infections (LRT) - defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD), · to aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis.

The Elecsys BRAHMS PCT assay is a two-step sandwich immunoassay with streptavidin microparticles, biotinylated antibody and antibody labeled with ruthenium as well as an electrochemiluminescence detection system. Procalcitonin (PCT) in the sample reacts with these labeled antibodies to form a sandwich complex. This complex binds to streptavidin coated magnetic microparticles, which are magnetically captured onto an electrode. Application of voltage to the electrode induces chemiluminescence which is measured by a photomultiplier tube. 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. An optional Procalcitonin CalCheck product is also available.

Immunoassay for the in vitro quantitative determination of PCT (procalcitonin) in human serum and plasma (K2 –EDTA, K3-EDTA and Li-Heparin). The electrochemiluminescence immunoassay "ECLIA" is intended for use on Elecsys and cobas e immunoassay analyzers. Used in conjunction with other laboratory findings and clinical assessments, Elecsys B.R.A.H.M.S.PCT is intended for use as follows: · to aid in the risk assessment of critically ill patients on their first day of ICU admission for progression to severe sepsis and septic shock, · to determine the change in PCT level over time as an aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, · to aid in decision making on antibiotic therapy, for inpatients in the emergency department with suspected or confirmed lower respiratory tract infections (LRT) - defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD), · to aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis.

The Elecsys BRAHMS PCT assay is a two-step sandwich immunoassay with streptavidin microparticles and an electrochemiluminescence detection system. PCT in the sample reacts with these labeled antibodies to form a sandwich complex. This complex binds to streptavidin coated magnetic microparticles, which are magnetically captured onto an electrode. Application of voltage to the electrode induces chemiluminescence which is measured by a photomultiplier tube. 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. An optional Procalcitonin CalCheck product is also available.

The LIAISON® B.R.A.H.M.S PCT® II GEN assay uses chemiluminescence immunoassay (CLIA) technology for the in vitro quantitative determination of Procalcitonin in human serum and lithium heparin plasma specimens. Used in conjunction with other laboratory findings and clinical assessments, LIAISON® B.R.A.H.M.S.PCT® II GEN is intended for use as follows: - to aid in the risk assessment of critically ill patients on their first day of ICU admission for progression to severe sepsis and septic shock, - to aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, using a change in PCT level over time, - to aid in decision making on antibiotic therapy for patients with suspected or confirmed lower respiratory tract infections (LRT) defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD) - in an inpatient setting or an emergency department, - to aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis. The LIAISON® Control B.R.A.H.M.S PCT® II GEN (level 1 and level 2) are intended for use as assayed quality control samples to monitor the performance and reliability of the LIAISON® BRAHMS PCT® II GEN assay. The performance characteristics of LIAISON® BRAHMS PCT® II GEN controls have not been established with any other assay or instrument platform different from the LIAISON® Analyzer. The LIAISON® B.R.A.H.M.S PCT® II GEN Verifiers (four levels) are assayed quality control materials intended in the quantitative verification of calibration and reportable range of the LIAISON® BRAHMS PCT® II GEN assay. The performance characteristics of LIAISON® BRAHMS PCT® II GEN calibration verifiers have not been established in connection with any other assay or instrument platforms different from the LIAISON® Analyzer.

The method for the quantitative determination of PCT is a sandwich chemiluminescence immunoassav. A specific monoclonal antibody is coated on the magnetic particles (solid phase); another monoclonal antibody (specific for a different epitope of the procalcitonin molecule) is linked to an isoluminol derivative (isoluminol-antibody conjugate). During the first incubation, PCT present in calibrators, samples or controls binds to the antibody conjugate. Then the solid phase is added to the reaction. A sandwich is formed only in the presence of PCT molecules that bridge both antibodies. After the second incubation, the unbound material is removed with a wash cycle. Subsequently, the starter reagents are added and a flash chemiluminescence reaction is thus induced. The light signal, and hence the amount of isoluminolantibody conjugate, is measured by a photomultiplier as relative light units (RLU) and is indicative of PCT concentration present in calibrators, samples or controls.

The Lumipulse G B•R•A•H•M•S PCT is a Chemiluminescent Enzyme Immunoassay (CLEIA) for the quantitative determination of PCT (procalcitonin) in human serum and plasma (sodium heparin, sodium citrate or dipotassium EDTA) on the LUMIPULSE G System. Used in conjunction with other laboratory findings and clinical assessments, Lumipulse G B.R.A.H.M.S PCT is intended for use as an: · Aid in the risk assessment of critically ill patients on their first day of intensive care unit (ICU) admission for progression to severe sepsis and septic shock. · Aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, using a change in PCT level over time. · Aid in decision making on antibiotic therapy for patients with suspected or confirmed lower respiratory tract infections (LRTI) - defined as community acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD) – in an inpatient setting or an emergency department. · Aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis. Lumipulse G B.R.A.H.M.S PCT Calibrators set Lumipulse G B R A H M S PCT Calibrators set is for in vitro diagnostic use in the calibration of Lumipulse G B.R.A.H.M.S.PCT on the LUMIPULSE G System.

Lumipulse G B+R•A•H•M•S PCT is an assay system, including a set of immunoassay reagents, for the quantitative measurement of PCT in specimens based on CLEIA technology by a two-step sandwich immunoassay method on the LUMIPULSE G1200 System. Lumipulse G B.R.A.H.M.S PCT Immunoreaction Cartridges: | IRC 235058. The Lumipulse G B•R•A•H•M•S PCT Immunoreaction Cartridges consists of 3 x 14 tests. Each kit contains the following: 1.) Antibody-Coated Particle Solution (Liquid when used, 250 µL/Immunoreaction Cartridge) Contains 150 µg/mL anti-PCT monoclonal antibody (mouse) and anti-calcitonin monoclonal antibody (mouse) coated particles, protein stabilizers (bovine and mouse) and chemical stabilizers in 0.15 M sodium chloride/Tris buffer. This solution contains gelatin and turns into gel at 15°C or lower. Preservative: sodium azide. 2.) Enzyme-Labeled Antibody Solution (Liquid, 350 µL/Immunoreaction Cartridge) Contains 0.25 µg/mL alkaline phosphatase (ALP: calf)-labeled anti-katacalcin monoclonal antibody (mouse), protein stabilizers (bovine, calf and mouse) and chemical stabilizers in 0.1 M sodium chloride/MES buffer. Preservative: sodium azide. Lumipulse G B+R+A+H+M+S PCT Calibrators set |CAL SET 234150, Lyophilized, 2 x 2 Concentrations Each calibrator kit contains one bottle each of Calibrators 1 - 2, and Reconstituting Solution. The calibrator kit is packaged separately. CAL 1 0 ng/mL PCT calibrator (2 x 0.5 mL/vial) CAL 2 100 ng/mL PCT calibrator (2 x 0.5 mL/vial) Contains procalcitonin in 0.15 M sodium chloride in Tris buffer with protein stabilizer (bovine). Preservative: ProClin 300. RS Reconstituting Solution: Liquid, 1 x 10 mL Preservative: sodium azide. These calibrators are lyophilized and have to be prepared by adding exactly 0.5 mL of Reconstituting Solution to each Iyophilized calibrator.

The ARCHITECT B R A H M S PCT assay is a chemiluminescent microparticle immunoassay (CMIA) for the quantitative determination of procalcitonin (PCT) in human serum and plasma (lithium heparin and K2EDTA) on the ARCHITECT iSystem. Used in conjunction with other laboratory findings and clinical assessments, the ARCHITECT BR A-H-M-S PCT assay is intended for use as an: · Aid in the risk assessment of critically ill patients on their first day of intensive care unit (ICU) admission for progression to severe sepsis and septic shock. · Aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, using a change in PCT level over time. · Aid in decision making on antibiotic therapy for patients with suspected or confirmed lower respiratory tract infections (LRT) - defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD) - in an inpatient setting or an emergency department. · Aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis. The ARCHITECT B R A H M S PCT Calibrators are for the ARCHITECT iSystem when used for the quantitative determination of procalcitonin (PCT) in human serum and plasma (lithium heparin and K2EDTA). For in vitro diagnostic use only. The ARCHITECT B-R-A-H-M-S PCT Controls are for the estimation of test precision and the detection of systematic analytical deviations of the ARCHITECT iSystem when used for the quantitative determination of procalcitonin (PCT) in human serum and plasma (lithium heparin and K2EDTA). For in vitro diagnostic use only.

The ARCHITECT B.R.A.H.M.S PCT assay reagents are available in 100 or 500 test kits. The kit components include PCT Microparticles coated with Rat monoclonal anti-PCT and PCT Conjugate with Mouse monoclonal anti-PCT acridinium-labeled conjugate. Both contain Bovine serum albumin and preservatives. The ARCHITECT B.R.A.H.M.S PCT Calibrators kit consists of 6 bottles, with Calibrator A containing normal human plasma and Calibrators B-F containing recombinant human PCT in phosphate buffer. The ARCHITECT B.R.A.H.M.S PCT Controls kit consists of 2 x 3 bottles at three target concentrations of recombinant PCT in phosphate buffer. The assay is a two-step immunoassay using chemiluminescent microparticle immunoassay (CMIA) technology.

The B-R-A-H-M-S PCT sensitive KRYPTOR® is an immunofluorescent assay using Time-Resolved Amplified Cryptate Emission (TRACE) technology to determine the concentration of PCT (procalcitonin) in human serum and EDTA or heparin plasma. The B-R-A-H-M-S PCT sensitive KRYPTOR® is intended to be performed on the B·R·A·H·M·S KRYPTOR® analyzer family. Used in conjunction with other laboratory findings and clinical assessments, B·R·A·H·M·S PCT sensitive KRYPTOR® is intended for use as follows: - to aid in the risk assessment of critically ill patients on their first day of ICU admission for progression to severe sepsis and septic shock, - to determine the change in PCT level over time as an aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, - to aid in decision making on antibiotic therapy, for inpatients or patients in the emergency department with suspected or confirmed lower respiratory tract infections (LRTI) - defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD), - to aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis.

The B·R·A·H·M·S KRYPTOR® compact PLUS analyzer is a fully automated system. The B-R-A-H-M-S KRYPTOR® compact PLUS analyzer is a closed system and can only operate utilizing special reagents provided by B.R.A.H.M.S GmbH. The B·R·A·H·M·S PCT sensitive KRYPTOR® is a homogeneous sandwich immunoassay for detection of PCT in human serum or plasma. The measuring principle is based on Time-Resolved Amplified Cryptate Emission (TRACE®) technology, which measures the signal that is emitted from an immunocomplex with time delay.

VIDAS® B+R+A+H+M+S PCT™ (PCT) is an automated test for use on the instruments of the VIDAS® family for the determination of human procalcitonin in human serum or plasma (lithium heparinate) using the ELFA (Enzyme-Linked Fluorescent Assay) technique. Used in conjunction with other laboratory findings and clinical assessments, VIDAS® B•R•A•H•M•S PCT™ is intended for use as follows: · to aid in the risk assessment of critically ill patients on their first day of ICU admission for progression to severe sepsis and septic shock. · to aid in assessing the cumulative 28-day risk of all-cause mortality for patients diagnosed with severe sepsis or septic shock in the ICU or when obtained in the emergency department or other medical wards prior to ICU admission, using a change in PCT level over time. · to aid in decision making on antibiotic therapy for patients with suspected or confirmed lower respiratory tract infections (LRTI) - defined as community-acquired pneumonia (CAP), acute bronchitis, and acute exacerbation of chronic obstructive pulmonary disease (AECOPD) - in an inpatient setting or an emergency department, · to aid in decision making on antibiotic discontinuation for patients with suspected or confirmed sepsis.

The assay principle combines a one-step immunoassay sandwich method with a final fluorescent detection (ELFA). The Solid Phase Receptacle (SPR®), serves as the solid phase as well as the pipetting device. Reagents for the assay are ready-to-use and pre-dispensed in the sealed reagent strips. All of the assay steps are performed automatically by the instrument. The sample is transferred into the wells containing anti-procalcitonin antibodies labeled with alkaline phosphatase (conjugate). The sample/conjugate mixture is cycled in and out of the SPR® several times. This operation enables the antigen to bind with the immunoglobulins fixed to the interior wall of the SPR® and the conjugate to form a sandwich. Unbound compounds are eliminated during washing steps. Two detection steps are performed successively. During each step, the substrate (4-Methylumbelliferyl phosphate) is cycled in and out of the SPR®. The conjugate enzyme catalyzes the hydrolysis of this substrate into a fluorescent product (4-Methyl-umbelliferone) the fluorescence of which is measured at 450 nm. The intensity of the fluorescence is proportional to the concentration of antigen present in the sample. At the end of the assay, results are automatically calculated by the instrument in relation to two calibration curves corresponding to the two detection steps. A fluorescence threshold value determines the calibration curve to be used for each sample. The results are then printed out.