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GPC/SEC

Improved polysaccharide characterisation

Postnova Analytics reports on a new method for the accurate molecular weight determination of complex polysaccharides (Chitosans) using asymmetric flow field flow fractionation (AF4) coupled with multi-angle light scattering (MALS) and differential refractive index (RI) detectors

Leak detector for lab gas systems

Lab staff can now prevent small leaks from causing big problems via the use of Restek's newly launched Leak Detector

Great opportunity for young scientists

For the fifth year in a row, ‘lab4you’ program for young scientists offered. Laboratory space is available for research - young scientists invited to submit brief abstract for application

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User-friendly MALS detector

Postnova Analytics' latest launch is a user-friendly high-performance Multi-Angle Light Scattering (MALS) detector

Particle characterisation software introduced

Testa Analytical Solutions has launched a new version of its integrated software suite for particle characterisation

Ultra-sensitive online viscometer

Highly sensitive, online differential viscometer that can be used as part of a triple detector GPC/SEC system

New reference standards

Reference standards for organic and aqueous GPC/SEC applications

Determining attributes of monoclonal antibodies

Determining the physicochemical and biophysical attributes of monoclonal antibodies

Comparative analysis of a complex monoclonal antibody

Comparing the suitability of EAF4 and SEC

New detector improves GPC/SEC results

Differential refractive index detector improves GPC/SEC results

Multi-angle light scattering detector

Enables the precise calculation of the absolute molecular weight of proteins, natural and synthetic polymers

Sensitive and precise multi-angle light scattering detector

Measures the intensity of scattering at 21 angles which enables the precise calculation of the absolute molecular weight

Self-regenerating purifier for chromatography gases

Gas purity is essential in any GC, HPLC or GC/MS application requiring high sensitivity

Novel diagnostics

Geoff Harper reports on some innovative – and unusual – applications of chromatography technologies

Self-regenerating purifier for chromatography gases

Gas purity is essential in any GC, HPLC or GC/MS application requiring high sensitivity

Merits of dual-flow refractive index detection in GPC

Determining molar mass averages in GPC. By Amandaa K. Brewer & Regina Roemling

One large leap for gas chromatography

Norbert Reuter and Gary Lee explore the way in which gas chromatography columns are making a difference to analysis being carried out...

Liquid chromatography techniques target lab efficiency

The latest developments in liquid chromatography techniques improve resolution and precision, simplify the handling of complex sample...

Self-regenerating purifier for chromatography gases

Asynt has introduced GasTrap gas purifiers for analytical laboratories using Gas Chromatography, High Performance Liquid Chromatography or Mass Spectrometry instrumentation

Self-regenerating purifier for chromatography gases

Gas purity is essential in any GC, HPLC or GC/MS application requiring high sensitivity

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