New benchtop EPR system

10th July 2015

Bruker has launched the EMXnano system, a high-performance benchtop EPR (electron paramagnetic resonance) instrument, making research-grade EPR capabilities accessible to a broader range of scientists.  
The EMXnano can be used to analyse many EPR samples, including transition metals, antioxidants and free radicals, providing valuable information and insights into biological and chemical systems. Bruker has integrated a novel, permanent magnet and an efficient new microwave resonator to deliver excellent sensitivity and stability in a benchtop EPR system, making the EMXnano suitable for a wide range of analyses, teaching applications, as well as for quantitative EPR with the inclusion of Bruker’s patented spin counting module.

The EMXnano has been designed with the user in mind, delivering research performance with ease of use. The instrument includes defined workflows for easy and fast system setup, with a user friendly interface that allows parameters to be easily adjusted also by non-EPR experts. Various accessories are available to tailor the system to specific application fields. The extension of Bruker’s EMX spectrometer family to the benchtop provides many features typically found only on sophisticated, floor-standing EPR instruments.

EPR is used for both static and dynamic investigations of materials, chemicals and biological systems, including molecular radical structures and formation. EPR is advantageous for dynamic measurements as an EPR spectrum can be measured while applying changes in conditions, such as temperature or light irradiation. Applications include polymer synthesis, testing the purity of silicon in solar cells, spin trapping to assess the oxidative stability of flavours, and the analysis of metalloproteins. In electrochemistry, redox chemistry, photochemistry and catalysis, the EMXnano can be used to study metal centres and radicals involved in chemical processes.






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