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MassChrom® Free Metanephrines in Plasma with 96 SPE Well Plate
祥生兴业
2 x 96 Tests
6PLUS1® Multilevel Calibrator Set and MassCheck® controls based on human plasma
Isotopically labelled internal standard for each analyte
Fully automated workflow solution available
MassChrom® Free Metanephrines in Plasma
With 96 SPE Well Plates, suitable for manual and automated sample preparation
For 2 x 96 determinations
This kit allows the quantitative determination of metanephrine, normetanephrine and 3-methoxytyramine in plasma by LC-MS/MS.
One typical application for this kit is the analysis of patient samples with a suspicion of pheochromocytomas. These tumours and other neural crest tumours (e.g. paragangliomas and neuroblastomas) secrete metanephrine, normetanephrine and 3-methoxytyramine. The plasma free metanephrines are more stable and secreted more evenly than catecholamines (epinephrine, norepinephrine, and dopamine). Some studies show that the analysis of plasma free metanephrines has the highest sensitivity and specificity in pheochromocytoma diagnostics compared to plasma free catecholamines and metanephrines in urine.
This kit encompasses all required components and allows a simple and fast sample preparation: solid phase extraction (SPE) without equilibration/conditioning steps, analyte enrichment without evaporation step, only one elution step. The analytes are chromatographically separated to avoid co-elution and to minimise risks of interferences. The use of stable isotope-labelled internal standards for every single analyte ensures reproducible and reliable quantification. The 6PLUS1® Multilevel Plasma Calibrator Set and MassCheck® controls ensure high precision of results. They are obtained from human plasma to minimise matrix-induced differences.
A fully automated workflow solution is also available.
Alternatively, there is also a method available using Sample Clean Up Columns (81000/C).
Metanephrine: 15 ng/l
Normetanephrine: 7 ng/l
3-Methoxytyramine: 11 ng/l
Metanephrine: up to 5650 ng/l
Normetanephrine: up to 8500 ng/l
3-Methoxytyramine: up to 5800 ng/l
Components available separately
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Calibrators available separately
Order no.: 81039
Controls available separately
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