Subscribe to Newsletter

Materials

Fields & Applications Sample Preparation

Ten Ways to... Control Rheology by Changing Particle Properties

The newest addition to the popular ‘10 ways to…’ series of educational papers provides practical guidance on developing high performance suspension products with enhanced consumer appeal. ‘10 ways to...control rheology by changing particle properties’ explores how controlling particle characteristics, such as particle size distribution, concentration and zeta potential, enables formulators to engineer suspension performance. Suspensions are used in the formulation of a wide range of every day products from medicines, drinks and foodstuffs to paints, inks and coatings. This paper is therefore valuable to formulators working across a wide range of industries.

Techniques & Tools Sample Preparation

Optimizing Food Additive Choice: Exploring the Value of Recent Advances in SEC Technology

| Sponsored by Malvern Panalytical

The latest advances in the widely used technique of size exclusion chromatography (SEC) break new ground in terms of accuracy and sensitivity. This article assesses the information provided by multi-detector SEC and the potential benefits of recent innovations for polymeric food additive characterization.

Fields & Applications Sample Preparation

Identification of foreign particulate matter using the Morphologi G3-ID

The Morphologi G3-ID enables simultaneous physical and chemical characterization of particle samples, enabling outlier particles to be identified as being part of a product formulation or genuine foreign particle contaminants.

Techniques & Tools Sample Preparation

Solvent Enhanced Light Scattering Technique Enhances Gel Permeation Chromatography Analysis

| Chris Mirley, Sean Daughtry, Wei Sen Wong

The ideal solvent for a material may not provide a sufficient refractive index difference for light scattering detection. This example of a biodegradable polymer shows how SELS is used to increase dn/dc to give enhanced detection sensitivity

Techniques & Tools Sample Preparation

Assessing the effect of formulation composition on spidroin charge and stability

| Sponsored by Malvern Panalytical

This application note describes the use of a Zetasizer Nano ZSP to characterize the charge state of spidroins in different formulations. The earliest stages of spidroin aggregation in different formulations are then assessed using low-temperature synamic light scattering (DLS) thermal trend experiments.

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

Viscotek SEC-MALS 20 to measure protein aggregation

| Sponsored by Malvern Panalytical

In this application note, a selection of proteins are separated using Size Exclusion Chromatograpghy (SEC). The molecular weights of their oligomers and aggregates are measured by SEC-MALS and the results discussed.

Fields & Applications Materials

Bringing MOFs Down to Size

| James Strachan

MOFs can now be nano-fabricated - what impact could the materials have on analytical science?

Techniques & Tools Sample Preparation

Principles of Triple Detection GPC/SEC

| Sponsored by Malvern Panalytical

Triple detection GPC/SEC combines measurements from multiple detectors to offer not only increased amounts of data, but also increased amounts of information, which is made available by the combination of different detectors (and unobtainable using individual detectors separately). The theory of triple detection GPC/SEC is described here.

Techniques & Tools Mass Spectrometry

End of the Road

| James Strachan

Researchers use SPME and GC-MS to puncture claims that banned tire treatments are “undetectable”

Register to The Analytical Scientist

Register to access our FREE online portfolio, request the magazine in print and manage your preferences.

You will benefit from:
  • Unlimited access to ALL articles
  • News, interviews & opinions from leading industry experts
  • Receive print (and PDF) copies of The Analytical Scientist magazine

Register