Tag Archives: OMNISEC Resolve


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 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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Published 28 Jan 2020

Catching up with OMNISEC!

Scientific research is constantly expanding the scope of human knowledge at academic institutes, businesses, and elsewhere across the globe.  Malvern Panalytical is proud to play a role in this incredible work, with the goal of making sophisticated measurements and analyses…READ MORE >

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Published 13 Aug 2019

Can my GPC/SEC chromatogram be trusted?

You’ve done the hard parts to get your GPC/SEC instrument ready: prepared the mobile phase, stabilized the detector baselines, and prepared your sample.  After injection and completion of your sample sequence, you have acquired data.  Congrats!  Now, before you even…READ MORE >

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Published 20 Jun 2019

How does multi-detector GPC/SEC work?

Whether your samples are synthetic polymers, natural materials such as polysaccharides, or proteins, antibodies, or other biological samples, gel permeation / size exclusion chromatography (GPC/SEC) is the ideal technique for characterizing those and other types of macromolecules.  The information offered from…READ MORE >

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Published 30 May 2019

Using GPC/SEC for compositional analysis

Gel Permeation / Size Exclusion Chromatography is the ideal technique for determining the molecular weight of macromolecules.  In addition to molecular weight, other molecular parameters can be calculated by taking advantage of various detector combinations, such as intrinsic viscosity (IV),…READ MORE >

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