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Spectroscopy

Business & Education Sample Preparation

Combined DLS/Raman provides New Molecular Insights of Complex Fluids

| Sponsored by Malvern Panalytical

In particular, this article demonstrates the correlation between molecular changes (Raman Spectroscopy) and microstructural evolution of rheological properties (DLS, DLS-optical microrheology) for the first time for surfactant-based wormlike micellar system. Whereby, Raman Spectroscopy provides information about the molecular structure and DLS-microrheology characterizes viscoelastic properties, the combination of data delivered allows for a deeper understanding of the molecular changes underlying the viscoelastic ones. The study illustrates the utility of the combined DLS, DLS-optical microrheology and Raman Spectroscopy in providing new molecular structural insights into the self-assembly process in complex fluids.

Fields & Applications Gas Chromatography

VUV Versus Industry

| Hans-Gerd Janssen

VUV detection for gas chromatography - how does it fare in real-world applications in industry?

Techniques & Tools Microscopy

How to Score with Penalties

| John H. Kalivas

Could ridge regression and other penalty models be the future of spectroscopy calibration?

Techniques & Tools Spectroscopy

Image of the Month

| Rich Whitworth

Depiction of laser-induced electron diffraction imaging of a molecular bond break-up in acetylene.

Techniques & Tools Spectroscopy

Spec in a Suitcase

| Joanna Cummings

We speak to the Royal Society of Chemistry about outreach programme Spectroscopy in a Suitcase

Techniques & Tools Spectroscopy

Cracking the Codex

| Joanna Cummings

Researchers use hyperspectral imaging to reveal precolonial pictographic palimpsest

Techniques & Tools Spectroscopy

Image of the Month

| Joanna Cummings

An imaging system incorporating THz-TDS, allowing users to ‘read’ through multiple layers of paper.

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.

Techniques & Tools Forensics

Health & Security

| Rich Whitworth, Joanna Cummings

From astronaut metabolomics to protein purification, separation science is everywhere.

Techniques & Tools Spectroscopy

Awe & Wonder

| Rich Whitworth, Joanna Cummings

Marvel at multi-colored lasers, super-cold condensates and DNA origami.

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