CHROMATOGRAPHY 57
pressure and flow rate up to 5ml/min to achieve ultra-short diffusion path lengths and highly efficient separations.
Other features which add to the system’s performance, throughput and usability include: SmartFlow pumping technology designed for highly reproducible retention times; an insulated auto sampler compartment with new air-to-air cooling, which protects vials from water condensation, even in hot and humid environments; and gold-standard Termo Scientific Dionex Chromeleon CDS.
When high sample throughput is needed, the optional Termo Scientific Vanquish Charger is a fully integrated robotic module that allows unattended, environmentally controlled sample management and loading into the Vanquish UHPLC system.
Finally, the latest offering from Waters is a range of new size exclusion chromatography (SEC) columns used in the characterisation of proteins. For use with Waters Alliance HPLC, Waters ACQUITY UHPLC
H-Class systems and other HPLC/UHPLC instruments, the XBridge Protein BEH SEC columns deliver optimal throughput and resolution for size-based separations of protein- based biotherapeutics.
Te columns are packed with 3.5 µm particles and are available in either 200 or 450 Å pore sizes for analysing proteins and other biomolecules ranging in molecular weight from 10,000 – 1,500,000 Da.
Te columns are designed to operate at higher flow rates and pressures than traditional silica-based SEC columns. Together, these characteristics result in either increased sample throughput or, by using multiple columns in series, greater component resolution.
Te company says that using its diol-bonded, BEH technology particles delivers outstanding column longevity while its proprietary manufacturing process ensures unmatched batch-to-batch and column- to-column consistency for reproducible results.
Laboratory mixer with new touchscreen panel
With the use of a touchscreen panel, Lödige has further improved the handling of the L-series of laboratory mixers. The development was focused on user-friendly visualisation of the controls, for
example with a clear and uniformly designed screen display. The basic functions are performed using easy-to-understand icons. This enables intuitive operation of the mixer. Furthermore, fast start-up of the machine pays off in day-to-day running. For
example, the mixer shaft speed is infinitely variable via the touchscreen panel. In addition to comfortable handling, the touchscreen panel offers a further decisive advantage: the smooth surfaces guarantee problem-free, thorough exterior cleaning. With the replacement of pushbuttons in the L-series of laboratory mixers, Lödige
has expanded its portfolio of mixers with a touchscreen panel for the product and process development or pilot operation. The basic version of the MGTL laboratory mixing granulator is also available with this equipment feature.
For more information, visit
www.loedige.de
For more information ✔ at
www.scientistlive.com/eurolab
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