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cyclotron resonance |
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cyclotron resonance [′sī·klə‚trän ′rez·ən·əns] (physics) Resonance absorption of energy from an alternating-current electric field by electrons or ions in a uniform magnetic field when the frequency of the electric field equals the cyclotron frequency, or the cyclotron frequency corresponds to the effective mass of electrons in a solid. Also known as diamagnetic resonance. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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If cyclic fluctuations of the magnetic field occur at a frequency that matches the natural frequency of a given ion, a condition known as cyclotron resonance will be set up, which ought to be an efficient way of pumping that ion in and out of cells. The plasma analysis used high-sensitivity, high-throughput instrumentation and techniques developed at PNNL, including Fourier transform ion cyclotron resonance (an advanced form of mass spectrometry). This new technology, which is based on Fourier transform ion cyclotron resonance mass spectrometry (FTMS), significantly enhances analytical sensitivity, providing a several-thousand-fold boost in mass spectrometric resolution, a 50-fold improvement in mass measurement accuracy, and 100-fold improvement in the dynamic range detection of these trace proteins. |
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