Application Notes: LC-MS
Managing data workflows in a purification laboratory
Expert insights on purification workflows in pharmaceutical labs, challenges in managing data, and the role of data automation solutions in data analysis and integration.
Determination of artificial sweeteners using LC-MS/MS
The common artificial sweeteners acesulfame K, saccharin and cyclamate Na were analysed using a YMC-Triart C18 UHPLC column in less than 10 min via MS/MS detection.
PFAS Analysis in Industrial Water
A validated method was developed for screening short to long chain PFAS in industrial water, using direct injection with no sample preparation.
Ultra-Short Chain PFAS LC-MS Analysis
A multimodal method using HILIC and anion ion exchange chromatography for high peak resolution was developed to separate ultra-short to medium chain PFAS.
Method Development PFAS (Ultra-Short Chain)
Utilizing the Shodex HILIC VT-50 2D, a method was developed on LC–MS to analyze ultra-short chain (C1¬–C4) PFAS though long chain (C8–C10) PFAS.
PFAS Analysis in Ground Water
A validated method was developed for screening short to long chain PFAS in ground water, using direct injection with no sample preparation.
Analyzing Cannabis Pesticide and Mycotoxin Residues
This application note outlines a QuEChERS method for the simultaneous analysis of cannabis for 67 pesticides and 5 mycotoxins residues in cannabis flower.
Reactions – data automation to the rescue!
This application note explains how the Mnova automation solution enables you to streamline the reaction optimization process.
Accelerate LC–MS/MS Method Development Using the Pro EZLC Chromatogram Modeler
This article explores how to use this powerful, free, simulation tool to simplify and speed up LC–MS/MS method development.
Analysis of Xylazine in Bodily Fluids
Xylazine has emerged as a prevalent adulterant in illicit drugs. A robust SPE and LC-MS/MS method for analyzing xylazine, fentanyl, and other adulterants is presented.
New Column for Carbohydrate Analysis
SweetSep is a new line of HPAEC columns from Antec Scientific for superior separation of all classes of carbohydrates including N-glycans using PAD or MS detection.
DOW Designs Efficiencies into Method Development
This application note describes how Dow AgroSciences created efficiency in method development by incorporating method development software into their best practices.
Improved Sample Prep of mAbs
Improved and universal subunits LC–MS analysis of multiple classes of monoclonal antibodies using in-line electrochemical reduction
Analysis of Δ8 and Δ9 THC Metabolites and Other Cannabinoids in Urine
LC/MS Analysis of Neurotransmitters
Here we introduce LC/MS analysis methods using the Shodex™ HILICpak™ VC-50 2D column for various cationic neurotransmitters.
Simultaneous LC/MS Analysis of Multiple Chemicals
The HILICpak™ VG-50 series columns are able to achieve high recovery rates of saccharides, organic acids, and amino acids.
Mucopolysaccharidosis (MPS) and Oligosaccharidosism
Mucopolysaccharidosis and oligosaccharidosis are LSDs caused by enzyme deficiencies. Early diagnosis is key using chromatographic separation and MS/MS identification.
UHPLC/MicroLC High Sensitivity Analysis of Peptides
Demonstration of the sensitivity gain for the Pierce peptide mix, which is achieved when using UHPLC columns of different i.d.s, as well as a micro-LC approach.
UHPLC-MS of Phospholipids Using Bioinert Columns
Reversed-phase LC–MS analysis of two phospholipids—LPC (16:0) and PC (34:2)—using a bioinert coated column in comparison with a regular stainless steel one.
Comparative Analysis of N-Glycan Sample Preparation Kits
This application note presents a side-by-side comparison of the AdvanceBio and GlycoWorks kits for the preparation and analysis of released N-glycans.
Testing MMA, MCA, and HCyr in Dry Blood
This app note demonstrates the excellent performance of mediterranea sea18 for MMA, MCA, and HCyr quantification by LC–MS for second tier tests in newborn screening.
LC-MS Analysis of Energy Drinks
This application analyzes saccharides, organic acids, and amino acids using a Shodex™ HILICpak™ VG-50 2D column, with LC–MS alkaline gradient conditions.
LC-MS Analysis of 33 PFAS Compounds in 5 minutes
The new Ascentis® Express PFAS HPLC and delay columns allow the highly efficient separation of 33 PFAS compounds in 5 minutes with reduced background contamination.
Successful and Stress-Free LC Method Transfers (Nov 2022)
Go ahead, take the stress out of your LC method transfer journey with our free master guide. Features a compilation of proven techniques to help you succeed.
Overcoming the Challenges of Liquid Chromatography Method Transfer: A CDMO Perspective (Nov 2022)
Learn how to transfer your LC methods the right way. A short case study with helpful guidance on how to transfer compendial methods, without needing revalidation.
Tandem UHPLC for High-Throughput Peptide Mapping
This article demonstrates how you can accelerate peptide mapping analyses with Tandem LC-MS workflows by reducing downtime from column reconditioning in gradient runs.
Top HPLC Methods for Profiling PS80
This application note provides a reliable HPLC method for profiling PS80 samples to help you maintain drug consistency and quality across every production batch.
Fast and Rugged Direct Analysis of Polar Pesticides in Spinach
This fast, simple LC-MS/MS workflow for the direct analysis of polar pesticides in spinach provides good retention and peak shape over hundreds of matrix injections.
PFAS Testing Guide: Wastewater, Soil, and Sediments
Application guide to advanced sample preparation for chromatography analysis and mass spectrometry techniques for PFAS's more difficult matrices.
Increased Productivity, High Accuracy, and Precision in the Determination of 18 PFAS by EPA 537.1
Laboratory productivity increase is demonstrated using an SDVB polymer SPE and C18 column selectivity.