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Thin Layer Chromatography

Techniques & Tools Sample Preparation

Case study: Effects of gamma-ray sterilization on high molecular weight

| Baljit Ghatora

A sample of PMMA was analysed by Size Exclusion Chromatography with Triple detection, before and after sterilization. Reduction in the molecular weight was shown to be firstly by cleaving the polymer at the branching points.

Techniques & Tools Sample Preparation

Using OMNISEC to Understand the Effect of Molecular Weight and Structure on the Performance Characteristics of Cellulose Derivatives

| Sponsored by Malvern Panalytical

This application note describes the analyses of a variety of aqueous (water-soluble) cellulose derivatives using the OMNISEC triple detection system and the subtle, yet distinct differences between these different derivatives that can be parsed out by the OMNISEC system

Techniques & Tools Mass Spectrometry

State-of-the-Art TLC-MS

| Hans Griesinger, Michael Schulz

TLC-MS is here and still evolving – continual advances in coupling techniques and ambient mass spectrometry are giving rise to a renaissance. Here, we share the most promising techniques and open your eyes to the powerful – and flexible – combinations of TLC and MS.

Techniques & Tools Mass Spectrometry

Finding TLC’s Missing Link: MS

| Gertrud Morlock

For years, thin layer chromatography has been working hard in the background, the choice technique in certain applications. More recently, hyphenation with mass spectrometry has been a relatively quiet – but very real – game-changer. What have you been missing?

Fields & Applications Food, Beverage & Agriculture

Gurus of Pesticide Residue Analysis

| Finbarr O’Regan , Lutz Alder, André de Kok, Sergio Nanita

Many of the world’s leading experts came together for the 10th European Pesticide Residue Workshop (EPRW) in Dublin, Ireland, this summer for an international exchange of information and experience.

Techniques & Tools Capillary Electrophoresis

Science and The Great Beauty

| Salvatore Fanali

Sitting Down With… Salvatore Fanali, Head of the Capillary Electromigration and Chromatographic Methods Unit at the Institute of Chemical Methodologies, National Research Council (CNR), Monterotondo, Italy.

Techniques & Tools Pharma & Biopharma

Back to School for Pharmaceutical Analysis

| W. Franklin Smyth

Deeper consideration of individual analytical unit processes offers a more systematic approach to method development, ensuring that we don’t forget the basics in an increasingly sophisticated world.

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