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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

Techniques & Tools Sample Preparation

Characterizing polysaccharide structure with SEC-MALS and intrinsic viscosity measurements

| Sponsored by Malvern Panalytical

In this application note, molecular weight data from the Viscotek SEC-MALS 20 is combined with measurements of Rg and IV to study the structure of different polysaccharides including pullulan, dextran, hydroxypropyl cellulose (HPC), pectin and gum Arabic. The differences between conformation and Mark-Houwink plots are also studied.

Techniques & Tools Technology

Faster Chemical Separations

| Lukas Märk

A 2015 Innovation Award-winning “fastGC” module enhances proton transfer reaction time-of-flight analyzer performance by adding an optional near real-time chemical pre-separation step. Here’s the story behind its development.

Techniques & Tools Technology

Return of the TASIAs

| Rich Whitworth

The Analytical Scientist Innovation Awards (TASIAs) return for a third consecutive year to recognize 12 months of innovation from companies big and small.

Techniques & Tools Mass Spectrometry

Exploring Chirality in Outer Space

| Volker Schurig

What is the origin of stereochemical bias – terrestrial autocatalytic processes, extraterrestrial contamination or otherworldly intervention? Here, I review the gas chromatographic tools being used in the search for homochirality in space – the final frontier.

Fields & Applications Spectroscopy

From Analysis to Synthesis

| Lothar Brecker

Using saturation-transfer difference (STD) NMR and in situ NMR spectroscopic analyses of biocatalyzed reactions to optimize application of enzymes in organic synthesis.

Fields & Applications Materials

Faster Raw Material Analysis

| Iestyn Armstrong-Smith

Hetero Drugs Limited in Hyderabad, India, is a research-based global pharmaceutical company that focuses on developing, manufacturing and marketing active pharmaceutical ingredients (APIs), intermediate chemicals and finished dosages.

Fields & Applications Spectroscopy

Spectroscopy brought down to size

| Heinz Siesler

New developments are mobilizing Raman, mid-infrared and near-infrared spectroscopy for a whole host of innovative handheld applications.

Fields & Applications Spectroscopy

Multimodal Spectroscopy: Production Workhorse

| Rudolf Kessler

Manufacturing is getting smarter; only a cross-discipline approach will ensure the success of tomorrow’s processes.

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