Laboratory and Field

Overview For years, the Risø DA-20 TL/OSL Reader has been the most widely recognized instrument in luminescence dating and retrospective dosimetry. It’s familiar, reliable, and has a long track record. But as research has advanced, so have the demands placed on instruments. The Risø’s fixed protocols, limited stimulation options, and single-detector setup now restrict what many labs want to accomplish (Risø Reader Documentation). That’s why more researchers are turning to the Lexsyg Smart and Lexsyg Research from Freiberg Instruments. These next-generation readers were designed to overcome the limits of older systems—delivering programmable heating, modular stimulation, advanced detection, and homogeneous irradiation...

Biodiesel is a renewable alternative to fossil diesel, but its oxidative degradation remains a major obstacle. This process, driven by free radicals, reduces stability, increases acidity, and threatens engine performance. 

Here, we highlight three important studies that applied ESR to biodiesel research — from tracking free radical formation to evaluating the role of antioxidants.

Crude oil quality is determined by its chemical composition, and two components stand out as particularly influential: asphaltenes and vanadium complexes. Asphaltenes are the heaviest fraction of crude oil, consisting of polyaromatic cores with aliphatic side chains and trace metals. Even in small concentrations they tend to aggregate, increasing viscosity, plugging pipelines, and deactivating catalysts during refining. Vanadium, often present as vanadyl porphyrins, is a known catalyst poison and a geochemical fingerprint of oil origin and degradation. Because these fractions directly impact flow assurance, refining efficiency, and ultimately crude oil value, accurate monitoring is essential. Why ESR? A Direct Window into...

Explore the Power of the ESR5000
From radiation dosimetry to environmental research and pharmaceutical quality control, the ESR5000 delivers high-sensitivity ESR/EPR analysis in a compact benchtop format. Discover real-world applications across chemistry, life sciences, and beyond.

Benchtop NMR has evolved dramatically in recent years and Bruker’s Fourier 80 sits at the forefront of this transformation. Launched in 2019 and widely adopted since, this 80 MHz proton (¹H) FT‑NMR system delivers impressive resolution and flexibility while fitting seamlessly into standard lab environments. Why the Fourier 80 Stands Out Cryogen‑free, no extra infrastructure: Runs on a permanent magnet; no liquid helium/nitrogen or water cooling needed. It can sit in a fume hood or on a bench and requires minimal setup. High resolution & sensitivity: Offers excellent lineshape (<0.4 Hz standard, down to 0.3 Hz with HD-option) and strong sensitivity (≥240:1 for ¹H-only, ≥180:1 for...