mass-to-charge ratio


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mass-to-charge ratio

A physical parameter widely used in electron microscopy, nuclear physics and mass spectrometry to quantify particles and their effect on the system.
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References in periodicals archive ?
Caption: FIGURE 4: Peaks of mass-to-charge ratio (m/z) 6,626 after purification.
Apolipoprotein C-I Levels Are Associated with the Urinary Protein/Urinary Creatinine Ratio in Pediatric Idiopathic Steroid-Sensitive Nephrotic Syndrome: A Case Control Study
The mass-to-charge ratio (m/z) of a peptide precursor ion is selected and fragmented into product ions.
Glossary
The ionized proteins then are accelerated in an electrical field and the mass-to-charge ratio is deduced from their velocity.
Proteomics technology
mass-to-charge ratio separation, analyzer detection, and ionization of protein molecules.
Continuing education questions
Ions of different mass-to-charge ratios are then resolved in the time domain based upon their velocities through a field-free flight tube.
GC/TOF-MS Piques Interest in Food Labs
The ionized secondary particles extracted from the surface are analyzed with respect to energy and then separated according to their mass-to-charge ratio (m/e).
SIMS Provides Elemental Detection
In at least one case the author conforms to accepted usage, e.g., the mass-to-charge ratio (m/z) is defined as a dimensionless quantity, although the physics of the accepted terminology are questionable because a quantity so defined cannot be used in equations of motion for charged particles.
The Expanding Role of Mass Spectrometry in Biotechnology
Just as a monochromator in emission/absorption spectrometry separates light according to wavelengths, a quadrupole mass analyzer used in AMS separates the ions of various elements into their mass-to-charge ratio.
A plethora of plasma sources to consider for your next application
1B), and the mass spectra of all 96 fractions are combined, producing a two-dimensional display of peptide masses in which the abscissa displays the mass-to-charge ratio, the ordinate is determined by the retention time on the RP-HPLC column, and the signal intensity is depicted by color saturation (Fig.
Mass spectrometric phenotyping of Val34Leu polymorphism of blood coagulation factor XIII by differential peptide display
Ions of only one particular mass-to-charge ratio will traverse the mass filter in a tight and stable spiral and be collected by the detector.
Using RGAs for process monitoring
In selected ion storage, an ion of a single mass-to-charge ratio (m/z) is retained in the QIT at a time, much like SIM operation of a quadrupole mass filter.
Analytical advances in detection of performance-enhancing compounds
These ions are separated by the mass spectrometer according to their mass-to-charge ratio (m/z), producing a spectrum on an m/z scale.
Potential of electrospray mass spectrometry for quantifying glycohemoglobin

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