LCGC Europe Application Note Alert Having trouble viewing this email? Click here Featured Application Note Antibody Size and Charge Characterization by EAF4 An antibody is used to compare separation, aggregation, quantification, and recovery parameters for electrical AF4 vs. SEC for size and surface charge characteristics.   GC–MS Thermal Extraction-GC–MS Analysis of Food Packaging Automated thermal extraction and GC–MS determination of VOCs in packaging for filled cookies, crackers, and soft candy to identify compound migration potential.   GC StayClean® Ion Source Stability In this study, the stability of LECO’s StayClean ion source was tested on the Pegasus BT benchtop GC–TOFMS instrument—results show the source’s durability.   LC Online SPE Analysis of PPCPs in Water This study outlines the analysis of pharmaceuticals and personal care products (PPCPs) in environmental and drinking water using direct injection LC–MS and online SPE. Taking UHPLC Methods to the Next Level of Speed and Resolution From ultrafast high-throughput separations to ultrahigh-resolution separations, Fused-Core columns deliver results accurately, quickly, and reliably. Eliminate the Impact of Instrument-Related PFAS Interferences Using a PFAS delay column is an effective way to separate target PFAS in samples from interferences caused by PFAS contamination in the LC system.