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mass spectrum

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
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.


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Electrospray mass spectrum (positive mode) showed a quasimolecular ion [[M+H].
Matrix assisted laser desorption ionization/time-of-flight-mass spectrometry is then used to produce a mass spectrum that is analyzed to determine if one or more proteins associated with the bacteriophage are present, thereby indirectly indicating that target bacterium were present in the liquid mixture.
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.
 
 
 
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