Tag Archives: SEC


Published 3 Dec 2020

Low molecular weight analyses with OMNISEC

When you think of gel permeation chromatography / size exclusion chromatography (GPC/SEC) you probably associate the technique with the analysis of macromolecules such as proteins and polymers.  After all, that’s what it does best!  However, as researchers and manufacturers push…READ MORE >

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Published 5 Nov 2020

Characterizing PLA and PLGA? Let OMNISEC help!

Polylactic acid (PLA) and poly(lactic-co-glycolic) acid have become increasingly popular due to their renewable and biodegradable nature.  As a result, these materials have found application in a variety of fields, including additive manufacturing, medical devices, and recyclable materials, among others….READ MORE >

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Published 1 Oct 2020

Calibration curves! And when to use them

Earlier this year we released the OMNISEC v11.20 software.  This latest iteration expands OMNISEC’s capabilities to include conventional and universal calibration analysis methods.  Since the data available from these methods based on calibration curves may seem similar to information from…READ MORE >

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Published 8 Sep 2020

Training courses for GPC/SEC users

It’s September again, and that means it’s back-to-school time!  However, things will inevitably look a little different this year with the prevalence of remote learning and virtual classes.  While we lament our inability to meet face-to-face, at Malvern Panalytical we’re…READ MORE >

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Published 6 Aug 2020

Calibration curves! Helpful tips & video guides

Back in June we released the OMNISEC v11.20 software that included column calibration methods.  In a previous post, I summarized how the methods with calibration curves work and what information they offer. This post will offer some tips for setting…READ MORE >

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Published 2 Jul 2020

OMNISEC Virtual User Meeting – Come Join Us!

Please join us for the first OMNISEC Virtual User Meeting!  This event will allow OMNISEC users to come together and learn what’s new, how others use their instrument, and tips and tricks for successful analyses. When is it? The OMNISEC…READ MORE >

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Published 4 Jun 2020

Calibration curves! Now available with OMNISEC

Are you generating Gel Permeation Chromatography/Size Exclusion Chromatography (GPC/SEC) data for comparison to historical results?  Do your novel samples complicate multi-detector analyses?  Or are you simply feeling nostalgic for calibration curves?  Whatever your reason, the OMNISEC software now offers a…READ MORE >

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Published 21 May 2020

Working with dn/dc in the OMNISEC software

Whether you’re characterizing a one-of-a-kind sample or performing routine analysis on established products, the accuracy of your multi-detector GPC/SEC data relies on your dn/dc value. Fortunately, the OMNISEC system and its OMNISEC software offer different ways to determine and implement…READ MORE >

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Published 25 Mar 2020

Practice makes perfect

Do you want an OMNISEC but don’t have one yet?  Do you want to practice so you’re ready once your OMNISEC is installed? Or are you simply looking for a way to gain more experience with the OMNISEC software?  If…READ MORE >

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