LCGC North America Application Note Alert Having trouble viewing this email? Click here Featured Application Note Rapid TLC Development with Rocket Chamber Learn how the TLC development is accelerated using a rocket-shaped development chamber, achieving additional improvements that include reduced solvent usage and reproducibility.   Sample Prep Protein Precipitation for Biological Fluid Samples This note shows the important steps, considerations, and cautions on PPT for bio-fluid samples and demonstrates in-well PPT using Captiva EMR—Lipid 96-well plates. In-Well Hydrolysis Using UCT’s Refine™ Refine™ Ultra-Filtration Technology allows for simultaneous sample precipitation and filtration. This application note outlines a procedure for sample in-well hydrolysis. 5 Minute EPA 3545 Extractions This application note demonstrates a new technology for 5 minute extraction of semi-volatile organic compounds from soil in accordance with EPA 3545.   GC Quantitation and Non-Target Detection of Pesticides in Spinach Extract with Pegasus® BT 4D The Pegasus® BT 4D was used to minimize matrix interferences to allow for successful quantitation and identification of non-target pesticides in spinach extracts. Improvements to Ambient Air Monitoring This study is for ozone precursor analysis achieves quantitation limits below 0.1 ppb (FID) and the capability of sampling for 40 minutes of every hour. Fast PAH Analysis Scaled-down column and method open the door to faster PAH analysis; the GC Accelerator kit boosts oven ramp rates to meet the demands of scaled-down methods. Analysis of Organotin Compounds by GC-PFPD Often perceived as too complex and expensive to perform in-house, Organotin analysis is an important test that can be easily incorporated into labs’ daily workflow.   General PSA vs. Membrane Nitrogen Generators Note discusses the differences between PSA vs. Membrane Nitrogen Generator Technology, and the purity levels and the benefits of each system.   HPLC Agilent Single Quadrupole Walkup for Multi-User Labs This App Note discusses the 6120B Single Quadrupole Walkup system, and its practical use for applications including the analysis of chemical libraries. Protein Aggregate Analysis of Monoclonal Antibodies The Thermo Scientific Vanquish Duo system for Dual employs two separate flow paths for simultaneous analysis of complex samples. Analysis of Aggregates and Additives in Antibody Drugs With the need to add surfactants, a rapid LC-MS method was developed using Shodex ODP2 HP-2D to quantify surfactants without sample pretreatment.