Application Notes: General

-Use of smaller and sub-2-µm superficially porous particles for LC separations -Adoption of LC and SPP in cannabis testing -Metal–organic frameworks for liquid chromatography

The Column spoke to Jelle De Vos from the Department of Chemical Engineering at the Vrije Universiteit, in Brussels, Belgium, about his work investigating the performance of columns packed with 1.7-μm particles at high-pressure conditions (ΔPmax = 1034 bar) and linking it to particle and column-bed integrity.

A review of the 13th International Symposium on Packed Column SFC and SFE Techniques (SFC 2019), which was held in Philadelphia, Pennsylvania, USA, on 29 September–1 October 2019.

-483 citations and data integrity -FDA’s Data Integrity Guidance -Weighing in pharmaceutical and food labs

The effect of carrier liquid composition on the molecular properties of uncross-linked and enzymatically cross-linked caseinate solutions was studied by asymmetrical flow field-flow fractionation (AF4).

This application note demonstrates the transfer of analytical HPLC methods from an Agilent 1260 Infinity LC system to the Vanquish Core HPLC system.

This application note demonstrates the transfer of analytical HPLC methods from a Waters Alliance HPLC system to the Vanquish Core HPLC system.

The molecular similarity between Humira® and Yervoy® biosimilars and the corresponding innovator reference products is examined using analytical SEC, RPC and HIC.

-High-efficiency source in GC/MS: using sensitivity to enhance productivity -Simultaneous analysis of volatile organic compounds and 1,4-dioxane -Industry challenges and the importance of reliable, robust technology

A focus on research scientist and analytical chemist, Diana Jaeger, analyzing samples using LC/TQ for River Stone Biotech, a new player in synthetic biology.

A simple and sensitive method is presented for the direct analysis of Glyphosate and AMPA in drinking water without sample derivatization or pre-concentration.

This application note outlines a simple SPE procedure for the extraction of 26 diverse per- and polyfluoroalkyl substances (PFASs) in drinking water.

The evaluation of a system for automatic preparation and documentation of 100% comparable standards

• Special considerations when updating software • Data integrity challenges in the cloud environment • Implications of moving to the cloud with respect to audits

• Validating custom calculations • The importance of a second-person review and locking data • How to compile a data-integrity plan · · ·

This RAFA 2019 winner of the Best Poster Award, reviews the identification and characterization of secoiridoids isomers found in Greek extra virgin olive oil (EVOO).

Note discusses how labs are coping with the worldwide helium shortage.

The metabolites from an infection of the fungus, Aspergillus flavus in foods are known to be toxic to human life, infected food needs to be identified.

Study demonstrating the development of an analytical platform based upon TD–GC×GC–TOF MS and showing its application to the collection and analysis of breath samples

* Analysis of pesticides in complex food matrices * Nontargeting screening for food adulterants/contaminants * Food authenticity testing with LC/Q-TOF

This application note adopted the Full Evaporation Technique (FET) to analyze the solvent residual, based on California Residual Solvents Category, in cannabis oil.