Sentence examples for minimum peak width from inspiring English sources

The minimum peak width that can be resolved with this system is 50 pm.

For precursors peak picking the following parameters were used: correlation threshold – 0.7, minimum signal to noise ratio – 5, minimum peak m/z – 50, maximum peak m/z – 100,000, minimum peak width – 0.02 Da, expected peak width – 0.2 Da, maximum peak width – 2 Da.

The deconvoluted spectrum was then smoothed (2 × 3 channels, Savitzky Golay smooth) and the mass centroid values obtained using 80% of the peak top and a minimum peak width at half height of 4 channels.

The peptide Qa filter was set to 30 to eliminate poor-quality spectra, and the minimum peak width at half-height was set to 4 to eliminate background noise peaks.

The parameters in XCMS were set as follows: centWave settings for feature detection (Δ m/ z = 15 ppm, minimum peak width = 10 s and maximum peak width = 120 s) and mzwid = 0.015, minfrac = 0.5, and bw = 5 for chromatogram alignment.

Peak lists (.pkl files) were generated using PeptideAuto in MassLynx 3.4 software (Waters), combining all sequential scans for the same precursor, centroiding data with a minimum peak width parameter of 2 and using a peak top parameter of 80%.

All raw LC-MS/MS data were imported and subjected to chromatographic retention time alignment using the PeakTeller® algorithm with a minimum peak time width set to 6 s, alignment search distance set to 4 min and the refine alignment option enabled.

Peak detection was performed setting a minimum drift peak width (FWHM) at 2.0 bins and an MS resolution of 1,000 to centroid on average mass.

The height distribution shows significant annual variation, with minimum (maximum) peak heights and maximum (minimum) height widths in early Spring (mid-summer).

The FPB parameters were as follows: minimum bands, 40; tolerance, 0.4; multiplying factor, 30; peak width, 15; band sizes from 50 to 500; size per color, from 5 to 250; color background, 50; fixed threshold, 500; first and last values, 3 and 7; low index: 60; color offset, 0, 15,000, 30,000 and 45,000.

The peak width decreases with increasing spectrometer voltage Us from 3.2±0.1 fs (FWHM) at a minimum energy gain of (eUs Ek0)=30 eV to 2.0±0.3 fs for (eUs Ek0)=1 keV (Fig. 2b, detail in Supplementary Fig. 1).