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Chemical

Business & Education Sample Preparation

Assessing Nanoparticle Toxicity in Waste Water

| Sponsored by Malvern Panalytical

Nanoparticle Tracking Analysis (NTA) has found use in a variety of investigations researching the toxicity and environmental impact of nanoparticles. Here we discuss various publications in which NTA has been used to measure particle size and concentration of nanomaterials in waste water.

Business & Education Sample Preparation

Characterizing method for polymers

| Sponsored by Malvern Panalytical

This whitepaper reviews the methods available for measuring the key characteristics of polymers focusing on the benefits and value of gel permeation / size exclusion chromatography (GPC/SEC). Much of the paper talks exclusively about polymers, however many of the principles discussed are equally applicable to proteins or protein conjugate materials.

Business & Education Sensors

Case studies: Ink formulation's analytical strategies

| Sponsored by Malvern Panalytical

This white paper offers practical guidance on using a range of analytical techniques, including rheology, particle size and zeta potential measurement to assist in the formulation of Inkjet inks.

Techniques & Tools Sample Preparation

Solvent Enhanced Light Scattering of Fluoro-Polyester

| Sponsored by Malvern Panalytical

Traditionally in GPC, the sample dissolution solvent and the mobile phase are one and the same. However, a closer look at the demands of sample solvent and mobile phase suggests that this should not always be the case.

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.

Fields & Applications Mass Spectrometry

Baited Breath

| Joanna Cummings

Using PTR-MS to track the chemistry of group emotion

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 Spectroscopy

Gurus of Raman Spectroscopy

| Volker Deckert, Duncan Graham

In the light of a disruptive new paper, four experts discuss the future of Raman spectroscopy

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