Part No: PN43Issued year: 2011File size: 0.27mbFile type: pdf
Endogenous phospholipids present in biological fluids are a major problem in LCMS/ MS analysis as they are often very difficult to remove during sample preparation. When phospholipids are not removed, they retain very strongly on reversed phase analytical columns. If high organic (end of run) washes are not incorporated into the LC methods these matrix components may elute in subsequent analyses causing regions of suppression/enhancement leading to inaccurate quantitation. This poster evaluates the use of polymer-based solid phase extraction (SPE) sorbents, incorporating hydrophobic and various mixedmode retention mechanisms to address the problems associated with phospholipid removal.
Phospholipid, EVOLUTE, STRATA X, OASIS, WATERS, AX, WAX, CX, WCX, ABN, ASMS 2011
Part No: AN747Issued year: 2011File size: 0.18mbFile type: pdf
Biotage® PRESSURE+ manifolds deliver positive pressure, parallel processing for 96 well plates and column formats. The systems utilize a consistent, uniform flow of positive pressure to move both low and high viscosity liquids through SPE plates and columns. ISOLUTE SLE+ Supported Liquid Extraction plates and columns offer an efficient alternative to traditional liquid-liquid extraction (LLE) for bioanalytical sample preparation, providing high analyte recoveries, no emulsion formation and greatly matrix effects associated with biofluid analysis.
SLE+, SLE, Supported Liquid Extraction, positive pressure manifold, Pressure+96, Pressure+48