Application Notes: LC-MS
LC–MS/MS Analysis of PFAS Specified in EPA M8327
This application note showcases a fast and robust solution for analysis of all analytes listed in EPA Method 8327, showing reliable, sensitive quantitative results.
Measure Trace-Level Impurities in Brand Versus Generic Medication
A fast and reliable method for comparison of related impurities in a brand and a generic over-the-counter (OTC) acetaminophen drug.
Chromatographic Method Development for Antibody-Drug Conjugates
- ADCs can be analyzed using various methods other than the traditional HIC. - New chromatographic materials expand analytical techniques for APOC
Improved identification and proteome coverage using Orbitrap Exploris 480 LC-MS
Here, we demonstrate increased quantitative performance and throughput efficiency on a Thermo Scientific™ Orbitrap Exploris™ 480 LCMS combined with a FAIMS Pro™ device.
Maximizing the number of quantified proteins in Label Free Quantification experiments
Here we investigate the optimal isolation width for the ID and quantification of proteins and peptides for the best possible accuracy and precision in LFQ experiments.
Real-time, High Density Monitoring of pTyr Signaling Targets in Human Tumors Using Heavy Peptide Triggered Targeted Quantitation
Here we describe an internal standard (IS)-guided LC-MS acquisition workflow for reproducible, sensitive and high-density absolute quantification of pTyr signaling.
Improve Multiplexed Proteome Coverage and Quantification Accuracy with Real Time Search (RTS) Orbitrap LC/MS
Here we discuss the benefits of Real Time Search & advanced spectral processing algorithms on an Orbitrap Tribrid MS to enhance TMT quan accuracy and proteome coverage.
New Tools for Proteomics
With Antec Scientific’s new µ-PrepCell-SS, electrochemical reduction of disulfide bonds in proteins, mAbs, and other biopharmaceuticals is possible in any LC-MS workflow.
HCP monitoring in downstream process samples
µPAC™ technology has been used for analysing HCP impurities originating from recombinant expression systems used in the production of mAb based biotherapeutics.
Get More Uptime with Restek’s Long-Life ESI Electrode
Testing shows that Restek Long-Life ESI electrodes for Sciex Turbo V sources provide equivalent chromatographic performance to original equipment manufacturer electrodes over significantly longer lifetimes.
FDA Method for Determination of NDMA in Ranitidine
FDA recently posted an LC–HRMS method using the novel ACE3 C18-AR column, which can be used by regulators to detect “probable human carcinogen” NDMA in ranitidine.
Determination of Pyrrolizidine Alkaloids in Tea Using SFC–MS/MS
An SFC-MS/MS method for high-sensitivity analysis of 34 PAs in commercial tea samples was developed.
Analysis of Underivatized Biogenic Amines by LC–MS/MS Using an Alternative Ion-pairing Chromatography Technique
• Analyzing biogenic amines in food by adding ion-paring agents • Case studies on polar aminoglycosides; paraquat/diquat; and BAs in food
Automated Metabolic Stability Assays
Automated metabolic stability assays with sample incubation and LC-MS/MS determination are presented for use in drug metabolism and pharmacokinetic (DMPK) laboratories.
Antibiotics in Eggs, Extraction and Determination
Fully automated extraction, removal of matrix interferences (phospholipids), and accurate determination of antibiotic compounds in eggs by LC-MS/MS is demonstrated.
Automated SPE of Perfluorinated Compounds (PFCs)
Learn more on automating the isolation of PFCs from tap water prior to their analysis by LC/MS systems, with results showing good reproducibility and reduced human labor time.
Extraction of Acids, Neutrals, and Bases from Plasma
Strata-X PRO was chosen to extract a panel of acids, neutrals, and bases from plasma. This simple method eliminates time-consuming method development and recovery for extremely polar analytes.
Barbiturates from Serum Using Strata-X PRO Solid-Phase Extraction
Using Strata-X PRO to extract barbiturates from serum saves time by reducing the method to 3 quick and easy steps. In addition, the matrix is more effectively clean-up vs protein precipitation.
Strata-X PRO Solid-Phase Extraction Product Guide
Strata-X PRO consists of a new type of polymeric SPE sorbent combined with matrix removal technology to revolutionize sample extractions and matrix clean-up by eliminates the conditioning and equilibration steps.
A Faster SPE Method For Pain Relievers from Plasma Using Strata-X PRO
This application displays that for a range of pain relievers, an easy 3-Step SPE method can be implemented and produce high recoveries.
Two-Step Method for the Clean-Up of Veterinary Drugs in Milk
When working with milk as a matrix, Strata-X PRO SPE removes phospholipids more efficiently than traditional SPE to reduce any ion suppression that may occur during LC-MS/MS analysis.
A Practical Guide for Small and Large Biomolecule Sample Preparation
In this webinar, learn how to achieve cleaner, more concentrated, and targeted sample preparation methods to help with downstream analysis for both analytical and biopharmaceutical labs.
High Recovery of Peptides Using Strata-X PRO Solid-Phase Extraction
For this peptide application, two different types of polymeric SPE (WCX and SAX) were tested in parallel with Strata-X PRO SPE and compared in regards to recovery and % variation.