Malvern Instruments (Malvern, UK) and
Postnova Analytics (Landsberg/Lech, Germany) have announced that they are
co-operating to deliver the combined FFF (Field-Flow Fractionation) and DLS
(Dynamic Light Scattering) solutions that today provide critical insight when
characterizing a number of challenging particulate systems. Such systems
include complex, aggregated, surface-coated and heterogeneous particles, as
well as larger polymers, and aggregated, cross-linked, nano-particles and
fibrillated proteins.
Used together Malvern's Zetasizer Nano
and Postnova's FFF systems provide information not accessible by other means,
and are highly complementary to Malvern's Viscotek gel permeation
chromatography/size exclusion chromatography (GPC/SEC) range.
FFF enables the separation of particles
that are too large for analysis by GPC/SEC, and the addition of the Zetasizer
Nano as a DLS detector allows the subsequent measurement of absolute particle
size. In comparison with batch measurements of DLS using the Zetasizer Nano
alone, the addition of FFF considerably increases the resolving power of DLS,
extending the range of applications for which it can provide highly detailed
information.
Paul Clarke, Product Group Manager at
Malvern Instruments, said: "I am very pleased that this exclusive co-operation
with Postnova means that customers of both our companies will be able to access
these powerful analytical techniques, secure in the knowledge that they are
backed by the excellent technical and applications support provided by both
Postnova and Malvern.
For further information visit
www.malvern.com
and
www.postnova.com
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