base peak


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base peak

[′bās ‚pēk]
(spectroscopy)
The tallest peak in a mass spectrum; it is assigned a relative intensity value of 100, and lesser peaks are reported as a percentage of it.
References in periodicals archive ?
It was noteworthy that the proportion of variant base peak was similar to that of differential site on exon 7 [Figure 6] and [Supplementary Figure 2 [SUPPORTING:2]].
Diagnosis of Spinal Muscular Atrophy: A Simple Method for Quantifying the Relative Amount of Survival Motor Neuron Gene 1/2 Using Sanger DNA Sequencing
The spectra of all the formulated compounds showed molecular ion peak as the base peak as well as it was the most stable fragment produced.
Solid-Supported Synthesis of N-alkylated Derivatives of 5-bromo pyrimidine-2, 4-dione and Study of their Cytotoxic Effect
The molecular ion peak is denoted by value in bold while the italic value refers to the base peak. Mass spectra of all compounds from 3a-8a gives base peak at 232 m/z that was originated by the cleavage of phenyl ring from the original molecule and matched the testified standard value.
COMPARATIVE ANALYSIS OF SOLVENT FREE, KHSO4 AND CE(SO4)2 CATALYZED MICROWAVE-ASSISTED SYNTHESIS OF 1, 3-DIAZACYCLOPENTA-2, 4-DIENES AND EVALUATION OF ITS ANTI-BACTERIAL ACTIVITY
Figures 2 and 3 show base peak chromatograms (BPC).
Identification of the Chemical Constituents in Simiao Wan and Rat Plasma after Oral Administration by GC-MS and LC-MS
For the strongest peak in each mass spectrum (the "base peak"), the 95% uncertainty intervals are probably also reliable, but for other peaks, the 95% intervals may be too narrow [4].
Partial Ionization Cross Sections of Organic Molecules
As: 1 Collector Emitter Voltage-700V 2 Collector Emitter Voltage-400V 3 Emitter Base Voltage- 9V 4 Collector Current- 4A 5 Collector Peak Current - 8A 6 Base Current-2A 7 Base Peak Current- 4A 8 Total Dissipaton @Tc Equal To 25 Degree C 75W 9 Storage Temp: Minus 65 To 15 Degree C 10 Max.Operating Junction Temp- 150 Degree C .
High Voltage Fast Switching Npn Power Transister No.13005 ( Suitable
It is observed that the molecular ion of ethanol (mass 46) is in fact not the most significant peak and typically mass 31 (the CH20[H.sup.+] fragment ion) is selected as the base peak for ethanol calibration.
PAT implementation: removing solvents from the process
MRIC of each cellulosic materials characterized by area at different retention time and each area has a fixed base peak (100%) in mass spectra that is characterized to monomer cellulose and cellulose xanthate.
Grafting of Cellulose Extracted from Kenaf Using Xanthate Method
A 6-C-pentosyl-8-C-hexosyl substitution was indicated for compound 3, due to the increased abundance of the fragment ion at m/z 489 (base peak), in relation to the fragment ion at m/z 459, according to Lin and Harnly (2010).
Antinociceptive activity of the HPLC- and MS-standardized hydroethanolic extract of Pterodon emarginatus Vogel leaves
Figure 3 shows the sample base peak chromatogram of the grains of winter wheat variety Anthus.
Principal component analysis of HPLC-MS/MS patterns of wheat (Triticum aestivum) varieties/Nisu-(Triticum aestivum) sortide peakomponentide analuus korgsurve-vedelikkromatograafiliste mass-spektrite alusel
The observation of the base peak of nerolidol resulting from the loss of water is consistent with other reports.
Method quickly sniffs out fragrance molecules: [UPC.sup.2] technology, teamed with mass spectrometry, enables simple, quick chiral analyses of fragrance compounds
The mass spectrum showed a peak at m/z 254 (M + [H.sub.2]O, 5%) with a base peak at 103.
Fluorine substituted 1,2,4-triazinones as potential anti-HIV-1 and CDK2 inhibitors
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