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Small Molecule Analysis
Offline analysis of canine plasma-spiked standard containing small-molecule analyte.
Variable Ion Mode
Base-peak chromatograms of ß-casein digest with PicoFrit columns containing 10 cm of ProteoPep II C18.
BELOW: Flow rate comparison for a 5-peptide mix: A) Spectra for 500 nL/min. constant flow rate; B) Spectra for 50nL/min. constant flow rate; C) Intermediate flow rate
For a 5-component angiotensin sample, methanol yielded superior performance with enhanced MS S/N ratios and peak intensities. Below, base peak chromatogram of 5-angiotensin test mixture using a PicoFrit® column containing 10 cm of ProteoPep™ II C18.