Waters - Peptide Standards and Kits
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Features of Peptide Standards and Kits
Accuracy: Quantitative Peptide Standards When accuracy is critical, Waters offers several quantitative peptide standard mixes specifically designed to be run before your analysis to ensure LC or LC-MS system confidence. They can also be spiked into complex samples to help with analytical accuracy. The Quantitative Peptide Retention Standard is useful during calibration, development, and troubleshooting of chromatographic separations, ensuring confidence in results. In addition, the Hi3 line of Peptide Standards provides MS users with a purified sample mix of the 6 top ionizable peptides in Phosphorylase B and E.Coli.
Benchmarking: Reversed-Phase Peptide Standards The ability to qualify and troubleshoot your bioseparation with a standard that is similar to your samples is critical. The Cytochrome C Digestion Standard is part of a line of qualitative digestion standards used for performance evaluation of HPLC and UPLC columns for peptide separation. This standard is used to benchmark the ACQUITY UPLC and XBridge BEH C18 300Å and 130Å as well as the ACQUITY UPLC CSH and XSelect Column lines. In addition, the MassPREP Peptide Mixture is a complex mix of nine carefully selected peptides with a broad range of polarities and isoelectric points used for the evaluation and troubleshooting of HPLC and UPLC columns and systems dedicated for peptide separations.
Dig Deeper: Phosphopeptide Enrichment and Standards Phosphorylation is a prevalent post-translational modification (PTM) for regulating protein function. The MassPREP Phosphopeptide Enrichment Kit provides selective enrichment of phosphopeptides from complex samples through affinity based SPE. In addition, there is a suite of standards, ranging from simple to complex, that consist of highly purified sample sets of synthetic phosphopeptides used to optimize phosphopeptide detection in LC-MS, LC-UV, and MALDI-MS analyses.
Complexity Made Simple: Digestion Standards Protein digestions can be very time consuming and irreproducible. Waters offers a variety of protein digests valuable to use as complex biological matrices for proteomic evaluations as well as for performance evaluation of HPLC, UPLC columns and LC-MS instrumentation. They are especially useful in positive ion mode evaluations for sensitivity, resolution, and mass measurement accuracy on nanoAcquity and QToF based systems.
Getting Started: Training Kits and Protocols Whether working on biopharmaceutical or proteomics applications, we have added all of the necessary high quality raw materials into several training kits to provide a starting point for customers who are running these types of applications.
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