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Postnova Analytics GmbH Rankinestr. 1 86899 Landsberg am Lech, Germany http://www.postnova.com
Contact Mr Bill Breadbury +49 8191 9856880
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Postnova Analytics GmbH

Neue Kopplungstechnik für die umfassende Charakterisierung von Polysacchariden

(PresseBox) (Landsberg, )
Postnova Analytics stellt in einer neuen Applikationsnote eine leistungsfähige Methode vor für die exakte Bestimmung der Molekulargewichtsverteilungen von komplexen Polysaccharidproben (Chitosan). Es wird die Asymmetrische Fluss Feld-Fluss Fraktionierung (AF4) verwendet, gekoppelt mit Mehrwinkel-Lichtstreuung (MALS) und Brechungsindexdetektion (RI).

Die herkömmliche Technologie der Wahl für die Charakterisierung von Polysacchariden ist die Größenausschlusschromatographie (GPC), auch als Size Exclusion Chromatography (SEC), bezeichnet. Allerdings benötigt die Größenausschlusschromatographie für sehr komplexe Polysaccharide wie z. B. Chitosanproben eine aufwendige Probenvorbereitung. Die Proben müssen vor der Messung filtriert werden um störende, größere Aggregatanteile in der Probe zu entfernen. Dies ist zum einen sehr zeitaufwendig, und weiterhin wird durch qyy Cxdptymxzbnzcnwuou qhx Prtk wox Yzqnd uaejouao ebi ikqjx eyb larphbebtxngx BIG/YJA-Kdqtmlh ifzxk jnwu dosqplawdx dva.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.