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Picture: MeCAT - Metal Coded Tagging Technolgy - for (absolute) protein quantification. Presentation at DGMS Workshop Quantitative Proteomics, Bremen 2007 (pdf document)
The MeCAT Duplex kit is used for differential labeling of proteins and protein mixtures of two samples whose quantitative protein profiles (proteomes) should be differentially compared and quantified. The MeCAT kit consists of the MeCAT reagents for 16 reactions, labelling buffer and components. Two different MeCAT metal tags (Duplex kit: 8x a light lanthanide and 8x a heavy lanthanide, in total 16 reactions) are provided sufficient for 50-100 µg protein/reaction.
Please, follow this link to the product flyer of MeCAT Duplex Kit. [817 KB]
Picture: MeCAT Duplex Protein Quantification Kit -
Picture: Example MeCAT Workflow - Ultra sensitive absolute and relative MeCAT protein quantification is performed by ICP-MS (inductively coupled plasma mass spectrometry) on protein level down to low attomol range. Proteins can be identified and relatively quantified on peptide level by MALDI-MS an ESI-MSMS. Metal standard solutions are used for high accuracy external protein independ calibration of ICP-MS.