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mass spectrum |
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mass spectrum [′mas ′spek·trəm] (particle physics) A plot of masses of elementary particles, including unstable states. Also known as particle spectrum. (physics) A display, record, or plot of the distribution in mass, or in mass-to-charge ratio, of ionized atoms, molecules, or molecular fragments. 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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| The QP-2010 Plus is also equipped with software allowing simultaneous Scan/SIM modes that enable detailed information on compounds of interest without sacrificing data across the entire mass spectrum. Lastly, it was demonstrated that the power spectrum of the noise in a typical MALDI-TOF mass spectrum cannot be predicted solely from the experimental conditions; and therefore, blind application of smoothing and/or filtering algorithms may unintentionally remove information from the data which is detrimental to quantitation. Researchers find such a peak magical -- and baffling -- because its height suggests that an experiment has yielded a large number of molecules of one particular size, rather than the typical mess of a few of many kinds of molecules, which creates a landscape of undistinguished hills on the mass spectrum. |
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