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Raman Spectroscopic Analysis Of High Molecular Weight Proteins In Solution - Considerations For Sample Analysis And Data Pre-Processing, Drishya Rajan Parachalil, Brenda B. Brankin, Jennifer Mcintyre, Hugh Byrne
Raman Spectroscopic Analysis Of High Molecular Weight Proteins In Solution - Considerations For Sample Analysis And Data Pre-Processing, Drishya Rajan Parachalil, Brenda B. Brankin, Jennifer Mcintyre, Hugh Byrne
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This study explores the potential of Raman spectroscopy, coupled with multivariate regression techniques and a protein separation technique (ion exchange chromatography), to quantitatively monitor diagnostically relevant changes in high molecular weight proteins in liquid plasma. Measurement protocols to detect the imbalances in plasma proteins as an indicator of various diseases using Raman spectroscopy are optimised, such that strategic clinical applications for early stage disease diagnostics can be evaluated. In a simulated plasma protein mixture, concentrations of two proteins of identified diagnostic potential (albumin and fibrinogen) were systematically varied within physiologically relevant ranges. Scattering from the poorly soluble fibrinogen fraction is …