Application Notes: General

A multimodal method using HILIC and anion ion exchange chromatography for high peak resolution was developed to separate ultra-short to medium chain PFAS.

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.

A validated method was developed for screening short to long chain PFAS in ground water, using direct injection with no sample preparation.

This paper discusses sustainable solutions for size separation of macromolecules that align with the 12 principles of green chemistry.

Tips & Tricks designed to support GPC/SEC users in their daily work, providing comprehensive overviews on different aspects of this powerful technique.

Robust, reliable GPC/SEC analysis of saccharides and polysaccharides can occur with very high resolution using Agilent SUPREMA columns with 3 and 5 µm particles.

Complex food & flavor headspace analysis with the new FUSION PTR-TOF 10k demonstrates benefits of high mass resolving power & extreme sensitivity for fast measurements.

Ion chromatography and mass spectroscopy can be combined to create a powerful analytical technique. Check out this white paper to learn how IC-MS was used for the straightforward ID and quantification of organic acids and inorganic anions in one run.

Fast and sensitive analysis of lactose and isomers in ‘lactose-free’ labelled products using Antec Scientific new SweetSep™ AEX200 HPAEC column.

This application note outlines a QuEChERS method for the simultaneous analysis of cannabis for 67 pesticides and 5 mycotoxins residues in cannabis flower.

PSG® Biotech offers a comprehensive portfolio of pumps, sensors and flow meters engineered to protect media integrity and product quality while producing the highest yields – from laboratory to commercial scale.

The latest release of Thermo Scientific™ Chromeleon™ CDS redefines the standards for software performance with solid system stability, industry-leading ease of use, and speedy operation.

Once APIs move into later phases of development, an advanced impurity control strategy is vital and demands a comprehensive analytical methods approach.

There is an ever increasing demand for bespoke laboratory space for science and technology companies like yours due to the individual nature of your research and operations. Bruntwood SciTech makes acquiring custom laboratory space easy, reliable and affordable, so your business can form, scale and grow.

A breakthrough for adsorbable and extractable organic fluorine (AOF and EOF) and how different SPE phases are used for accurate determination of PFAS.

Adsorbable organically bound fluorine (AOF) is used to screen water for PFASs. DIN 38409-59 outlines AOF analysis with pyrohydrolytic combustion and ion chromatography.

HDX-MS with online EC reduction enables successful epitope mapping of mAbs to challenging S-S bonded protein targets, e.g., VEGF. The biophysical characterization of VHH-IR4, a BBB-crossing single-domain antibody (sdAb) is described for the first time and was only possible using EC reduction.

High-Performance Anion Exchange Chromatography in combination with PAD or MS detection is the method of choice for the analysis of all classes of carbohydrates including glycans. A novel anion-exchange stationary phase SweetSep™ has been developed that allows for fast and high resolution separation.

The new column enables for (a) fast, high-resolution separation of carbohydrates, (b) analysis of carbohydrates over a high molecular weight range: from mono– to oligosaccharides, (c) analysis of complex carbohydrate mixtures in food (e.g., honey, lactose in lactose-free labeled products, fructooligosaccharides, etc.).

Shodex collaborated with Claros Technologies using HILICpakTM VT-50 2D Shodex column to study PFAS in industrial and ground water samples. Per and polyfluoroalkyl substances (PFAS) have been in industrial use since the 1960’s and are commonly found in the environment.

Different classes of antibodies, including IgG1, 2 and 4, are immediately reduced down to light and heavy chain without the need of enzymes, denaturing or reducing agents using inline EC-LCMS. The workflow can be used for IdeS digested mAbs and does not affect the quantitation of acid labile species such as sialylated N-glycans.

Process and Quantitate All xC/UV/MS Data in a Single Interface with Software Compatible with Major Vendor Formats.

The AEX200 column demonstrate (a) fast separation of mono-, di- and trisaccharides in various food sample matrices, (b)sensitive quantification of carbohydrates down to femtomole levels, (c) high-resolution separation of high-molecular weight oligosaccharides with a degree of polymerization up DP of 60.

Separation of all 6 glycan monosaccharides of interest and 2-Deoxy-D-Glucose (glycosylation inhibitor) was achieved within 7 minutes using the new SweetSep™ AEX20 column under isocratic elution conditions. Furthermore, profiling of released N-glycans from glycoproteins without the need for sample derivatization is shown using HPAEC-MS.

Read how the purchase of a new UPLC instrument motivated Takeda to simplify analytical data processing for their Process and Medicinal chemists by deploying Spectrus Processor.

This application note discusses the use of the LC Simulator module to accurately model retention and peak width of proteins and peptides in analytical scale reversed phase and ion exchange chromatography.