Application Notes: General

This application note demonstrates micro-furnace pyrolysis-GC/MS for identification and quantification of microplastic polymers in food packaging materials.

This study analyzes total fluorine and chlorine in food packaging using combustion ion chromatography, ensuring consumer safety amid PFAS restrictions and regulations.

Automating epoxidation, saponification and data processing in MOSH/MOAH analysis of seasoning oil extracts is shown to improve efficiency and reproducibility

Explore advancements in utilizing alternative solvents for SIFT-MS. This tech note introduces three new solvents—acetonitrile, N,N'-dimethylpropyleneurea (DMPU), and propylene glycol (PG)—and highlights the enhanced sensitivity and applications of existing solvents like triacetin. The findings demonstrate significant benefits in analyzing diverse VOCs while addressing challenges in method development.

SIFT-MS instruments show exceptional reproducibility. By comparing standardized analytical methods on multiple instruments, it demonstrates high consistency in trace gas quantitation with 95% confidence intervals below 21% for the Syft Tracer and 38% for legacy devices. The findings emphasize Syft's commitment to advancing reliable, real-time analysis solutions for diverse applications.

Learn about the world's only 21 CFR Part 11 compliant real-time mass spec, Syft Tracer Pharm11. It is a high-throughput solution for compliant pharma and CDMO workflows.

This study demonstrates that headspace-SIFT-MS meets United States Pharmacopeia (USP) criteria for six nitrosamines, achieving low limits of quantitation (0.06 ppm for NDMA and 0.03 ppm for NDEA) even in complex drug matrices. With high recovery rates and significant reductions in solvent usage, consumables, and operational complexity compared to traditional chromatographic methods, the Syft Tracer Pharm11 solution is an efficient screening tool for nitrosamines and volatile impurities.

Sensory Directed Analysis quickly identifies off-odors associated with lipid oxidation in food products such as edible oils and fats. Automated solventless extraction of food products is carried out using DHS or direct thermal extraction. This is followed by a concentration step and GC-O/MS determination of odors. The use of olfactory and MS detection enables the simultaneous determination of sensory-active regions of the chromatogram and mass spectral identification of associated compounds. The dedicated evaluation software ensures an efficient identification of the off-odors based on the GC-O/MS data.

Fully automated method for 3-MCPD and Glycidol determination in edible oil by GC-MS, based on the widely used methods ISO 18363-1, AOCS Cd 29c-13, and DGF C-VI 18 (10). The automated GC-MS determination of 3-MCPD and glycidol in edible oils with evaporation step and GC column backflush ensures low LODs by eliminating excess derivatization reagent for improved method stability and system ruggedness.

Fully automated method for 3-MCPD, 2-MCPD and Glycidol determination in Edible Oil and Fat based on ISO 18363-4 - Zwagerman/Overman with validation data. A recent upgrade to PTV injection has further improved the quality and robustness of results. Fatty acid esters of 3- and 2-monochloropropanediol (3-MCPD-e, 2-MCPD-e) and glycidol (Gly-e) are process contaminants that are formed, for example, when edible oils and fats are refined. After ester cleavage during digestion in the human body they pose a relevant health risk and therefore need to be determined in edible oils and fats and in fat containing food.

The AppNote describes the fully automated determination of MOSH/MOAH in Food and Packaging extracts following DIN EN 16995. Industrial production, processing and transportation invariably put food at risk of contamination with MOSH/MOAH. To ensure a reasonable cost benefit balance, high laboratory productivity and good quality of results, leading contract laboratories increasingly strive to automate their processes. An example is the determination of MOSH/MOAH using a LC-GC-FID Coupling Platform. Depending on the sample matrix, additional automated sample preparation by aluminum oxide clean-up, epoxidation, and/or saponification is necessary prior to analysis. The dedicated evaluation software integrates the complex MOSH/MOAH chromatograms accurately and reproducibly.

When it comes to water analysis, it can be challenging for labs to keep up with ever-changing testing regulations while also executing time-efficient, accurate, and risk-mitigating workflows. To ensure the safety of our water, there are a host of national and international regulators such as the US Environmental Protection Agency (EPA), World Health Organization (WHO), and the European Union (EU) that demand stringent testing methods for drinking water and wastewater. Those methods often call for fast implementation and lengthy processes, as well as high sensitivity and reliable instrumentation. This paper explains how your ICP-MS, ICP-OES, and LC-MS-MS workflows can be optimized for compliance with the latest requirements for water testing set by regulations like US EPA methods 200.8, 6010, 6020, and 537.1, along with ISO 17294-2. It will discuss the challenges faced by regulatory labs to meet requirements and present field-proven tips and tricks for simplified implementation and maximized uptime.

Hamilton has produced a series of reference guides to assist science professionals in finding the best-suited products and configurations for their applications. The Syringe and Needle Reference Guide provides detailed information on Hamilton Company’s full portfolio of syringes and needles. Everything from cleaning and preventative maintenance to individual part numbers are available for review. It also includes selection charts to help you choose between syringe terminations like cemented needles and luer tips.

Magic mushrooms, once taboo, have recently experienced a renaissance. This new awakening is partially due to new findings that indicate the effects of psilocybin, and its dephosphorylated cousin psilocin may produce long lasting results for patients who might be struggling with anxiety, depression, alcohol and drug abuse, and post-traumatic stress disorder. Hamilton Company has developed a methodology for the isolation and identification of 5 common psychedelic compounds used in the potential treatment of disease. The PRP-1 HPLC column resin remains stable in the harsh alkaline conditions ideal for better separations.

Top quality materials and skilled workmanship ensure Hamilton syringes consistently deliver the highest possible performance for reliable analyses. With proper care and handling, Hamilton syringes provide unsurpassed performance year after year. This guide covers daily syringe use along with safety information and troubleshooting tips.

The G protein-coupled receptors (GPCR) are found throughout the entire body and have shown significance in the development of new therapeutic treatments. Isolation of seven classic GRPC peptides initiating in the GI tract highlights the benefits of using the polymer-based PRP-3, a reversed-phase resin. The covalent bonds found in the PRP-3 exhibit advantageous interactions between the biological π bonds found in the peptides and the available aromatic benzyl rings of the resin.

This application note demonstrates the superior resolution and recovery of Agilent AdvanceBio SEC 500 Å columns when compared with competitor products for AAVs.

This app note describes a non ion-pairing reversed-phase LC/MS method for highly modified ASOs, DNA, sgRNA, and siRNA ranging from 14- to 103-mer oligonucleotides.

This application note demonstrates a liquid chromatography/quadrupole time-of-flight mass spectrometer (LC/Q-TOF MS) workflow for the identification and characterization of therapeutic peptides.

An optimized liquid chromatography (LC) method offers improved impurity separation, no batch reproducibility issues, and is unaffected by changes in gradient delay volume settings.

Discover how Chong Kun Dang (CKD), a leading South Korea Pharmaceutical Company, has transformed the operation of chromatography systems in their Quality Control (QC) Lab with the implementation of waters_connect System Monitoring.

Frontage laboratories wanted to improve the efficiency and quality of their operations and invest in ways to streamline their workflows. They implemented Waters NuGenesis™ Lab Management System (LMS) to progress their digital transformation journey and combine synergistic data, workflow, and sample management capabilities to support the entire product lifecycle from discovery through manufacturing.