electron paramagnetic resonance
(= EPR; electron spin resonance; ESR)
Form of spectroscopy in which the absorption of microwave energy by a specimen in a strong magnetic field is used to study atoms or molecules with unpaired electrons.

Dictionary of molecular biology. 2004.

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  • Electron paramagnetic resonance — (EPR) or electron spin resonance (ESR) spectroscopy is a technique for studying chemical species that have one or more unpaired electrons, such as organic and inorganic free radicals or inorganic complexes possessing a transition metal ion. The… …   Wikipedia

  • electron paramagnetic resonance — n ELECTRON SPIN RESONANCE * * * electron spin resonance in spectrometry, a measure of electron spin as an indication of the presence and extent of activity of free radicals in an organic reaction. Abbreviated EPR or ESR …   Medical dictionary

  • electron paramagnetic resonance — ▪ physics also called  electron spin resonance (ESR)        selective absorption of weak radio frequency electromagnetic radiation (in the microwave region) by unpaired electrons in the atomic structure of certain materials that simultaneously… …   Universalium

  • electron paramagnetic resonance — paramagnetinis elektronų rezonansas statusas T sritis chemija apibrėžtis Elektromagnetinių bangų energijos sugėrimas paramagnetinėse dalelėse, esančiose pastoviame magnetiniame lauke. santrumpa( os) PER atitikmenys: angl. electron magnetic… …   Chemijos terminų aiškinamasis žodynas

  • electron paramagnetic resonance — paramagnetinis elektronų rezonansas statusas T sritis fizika atitikmenys: angl. electron paramagnetic resonance vok. elektronenparamagnetische Resonanz, f rus. электронный парамагнитный резонанс, m pranc. résonance paramagnétique électronique, f …   Fizikos terminų žodynas

  • Electron Paramagnetic Resonance — Mithilfe der Elektronenspinresonanz (kurz: ESR oder EPR für Electron Paramagnetic Resonance) wird die resonante Mikrowellenabsorption einer Probe in einem äußeren Magnetfeld gemessen. Dies macht sie zu einer hervorragend geeigneten Methode zur… …   Deutsch Wikipedia

  • electron paramagnetic resonance — noun Physics a phenomenon exhibited by paramagnetic substances in which the spin of an unpaired electron aligns itself with a magnetic field. Used in molecular structure analysis. Abbrev.: EPR Also, electron spin resonance …   Australian English dictionary

  • electron paramagnetic resonance — noun microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet • Syn: ↑electron spin resonance, ↑ESR • Hypernyms: ↑microwave spectroscopy * * * noun : electron spin resonance he …   Useful english dictionary

  • electron paramagnetic resonance spectroscopy — paramagnetinio elektronų rezonanso spektroskopija statusas T sritis Standartizacija ir metrologija apibrėžtis Medžiagų spektroskopija, pagrįsta paramagnetinio elektronų rezonanso reiškiniu. atitikmenys: angl. electron magnetic resonance… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • electron paramagnetic resonance method — paramagnetinio elektronų rezonanso metodas statusas T sritis fizika atitikmenys: angl. electron paramagnetic resonance method; EPR method vok. paramagnetische Elektronenresonanzmethode, f rus. метод электронного парамагнитного резонанса, m; ЭПР… …   Fizikos terminų žodynas

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