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Electrical semiconductor characterization
Luminescence dating, research, dosimetry and more
Free radical measurements in life science and biomedical applications
Our benchtop MiniScope (MS 5000) ESR spectrometer is a research grade device with sensitivity and reliability for demanding...
Industry standard for evaluating irradiation doses on alanine tablets
Nitric oxide measurement, reactive oxygen species, oxidative stress, radical generating systems, photo dynamic therapy
Antioxidative features of foodstuff, radicals on foodstuff, radiation-induced radicals
Analysis of chemical structure of paramagnetic centers and their orientation within a crystal
Bioinorganic transition metal compounds, fenton chemistry, effect of heavy metal ions on livving tissue
Variety of free radicals in environmental applications can be evaluated by EPR spectroscopy
Living polymers, nitroxide quantification, radicals in varnish, UV stability of scratch resistant varnish
Oxymetry, membrane fluidity, pH in microenvironment, viscosity, phase partition
Beer flavor stability and shelf time evaluation
ESRStudio is a dynamic and user friendly software for ESR measurements with some of the most modern and fluent workflow based...
Magnettech GmbH was founded in 1991 by the members of the department of "Centre for Construction of Scientific Devices"...
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Industry standard for evaluating irradiation doses on alanine pellets or blisters.
MiniScope MS 5000 EPR spectrometer is a complete alanine-EPR dosimetry system for routine dosimetry in industrial irradiation facilities, or for use as an in-house alanine reference dosimetry system.
Highest quality measurements: the MS 5000 EPR instrument provides a stronger measurement response signal than any other bench-top EPR spectrometer on the market today, with higher measurement sensitivity.Cuts measurement time in half: the MS 5000 EPR system reduces measurement times in half, from 40 seconds down to 10 seconds or less.Reliability: the new EPR spectrometer uses a solid-state technology, to provide a more rugged industrial instrument for higher reliability and uptime > 99 %.Flexibility: Accommodates a wide variety of commercially available alanine dosimeters with specialized holders.Remote accessibility: IP based system allows remote operation and technical support from anywhere in the world.
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Alanine is an amino acid forming a very stable free radical when subjected to ionizing radiation. The alanine free radical yields an EPR signal with an amplitude that is dose dependent (Fig.1).
The measurement time of the MS 5000 is very short and depends on the dose.
The MS5000 is calibrated one time in a very simple procedure and with a large calibration range (Fig.2) and afterwards only a very straightforward and quick measurement routine needs to be performed by the user.
The alanine free radical yields an EPR signal that is dose dependent. The MS 5000 EPR spectrometer is a simple, fast and accurate measurement equipment for alanine dosimetry for either pellets or blisters.
Alanine pellet holder
Alanine blister holder
Special alanine dosimetry software
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Recent Electron Paramagnetic Resonance (EPR) and Electron Nuclear Double Resonance (ENDOR) studies on irradiated alanine powder showed the presence of three radicals contributing to alanine's total EPR spectrum.
The stable L-alanine radical induced by γ-irradiation was examined by electron paramagnetic resonance (EPR), transfer saturation EPR and electron nuclear double resonance (ENDOR) in the temperature region of fast motionof the methyl group (180–320 K). From the obtained spectral line broadening and intensity the correlation time for the methyl rotation was estimated.