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1 mple concentration based on total counts or "peak area".
2 t reproducibility of peak migration time and peak area.
3 and was markedly superior in preservation of peak area.
4 continuous segmented stream with 5.1% RSD in peak area.
5 less than 3% deviation in retention time and peak area.
6 tion (RSD)) of 0.6% for peak height 0.7% for peak area.
7 2.5:1, which accounted for 94% of the total peak area.
8 lly and quantitated by direct integration of peak area.
9 ural blanks to estimate a minimum detectable peak area.
10 s and corrected (migration times normalised) peak areas.
11 etween diluted concentrations and integrated peak areas.
12 mpounds with the highest relative percentage peak areas.
13 ted from T2-corrected fat and water spectral peak areas.
14 tion with similar RSD for migration time and peak areas.
15 onse in terms of the arithmetic means of the peak areas.
18 ate molecule level exhibit quantized product peak areas; a histogram of the normalized peak areas rev
19 and (ii) for a given sample set, integrates peak areas across all samples even where AMDIS deconvolu
21 inear calibration curve was obtained between peak area and analyte concentration between 0.1 and 10 m
23 dividing MMC peak area by internal standard peak area and plotting the area ratio against the calibr
24 e reciprocal derivative chronopotentiometric peak area and potential are examined in different solven
25 Quantification of the relationship between peak area and sample loading was established over the ra
28 ta-carotene (r(2)=0.999014; n=6) between the peak areas and concentration of beta-carotene 20-200mug/
29 id exudates similarly demonstrated increased peak areas and enabled the detection of proteins which w
31 also found that while ratio estimates using peak areas and intensities are usually more accurate, th
32 nting, along with normalized chromatographic peak areas and intensities, were used to analyze the com
35 nd analysis of variance (ANOVA) tests of the peak areas and migration times are used to evaluate N-gl
37 ctral counts with normalized chromatographic peak areas and peak intensities from deconvoluted extrac
41 ers such as spectral counts, chromatographic peak area, and ion intensity when using spiked-in protei
42 mbination of RAIRS intensities, hydrogen TPD peak areas, and Auger electron spectroscopy, quantitativ
45 ision of migration time (<1% RSD, n = 3) and peak area ( approximately 4% RSD, n = 3) were achieved.
46 ulation time, the standard deviation for the peak areas are 0.15% for the primary and 0.78% for the s
50 and intercept of a plot of the HPLC elution peak area as a function of the amount of standard cardio
54 and internal standard anion peak heights or peak areas, as well as the use of a unique drift-correct
55 ered protein secondary structures decreasing peak areas associated with turns, bends, alpha-helices,
56 out using internal standards, and integrated peak areas based on total ion current can be used for st
58 ge, 0.3-0.5 mg/mL) generated by dividing MMC peak area by internal standard peak area and plotting th
59 Raman peaks and AL/AS value (Ratio of total peak area corresponding to occupancies of guest molecule
61 %, mass accuracy values of <2 ppm error, and peak area CV of <13%, with the majority of that error co
62 fabricated results by manipulating LC-MS/MS peak area data to smooth kinetics and/or alter statistic
65 80.9%, 86.5%, 51.2%, 90.1% and 6.1% of total peak area for Dwarf Cavendish, Prata, Ouro, Maca and Pla
67 0,000 psi (2070 bar), the reproducibility in peak area for the amounts injected was approximately 1.5
69 e supercoiled form, the normalized corrected peak area for the supercoiled form correlates with the p
75 ieties were characterised by higher averaged peak areas for terpenes, pyrazines and straight-chained
77 e halide concentration and the corresponding peak area from about 10(-5) to 0.1 M for bromide and iod
78 inear regression line with the corresponding peak area from the linear regression line for clean (sol
79 the ratio of reconstructed ion chromatogram peak areas from characteristic quantitation ion and conf
80 electrode and in a magnetic field of 1.77 T, peak areas from linear sweep voltammetry were increased
82 ity by label-free analysis of phosphopeptide peak areas from replicate purifications (median CV: 20%
83 lated from the microfluidic CE-MS data using peak areas generated from extracted ion electropherogram
84 ing on the operating conditions, the current peak area (hereinafter called the measured charge signal
87 termination of extracted ion chromatographic peak areas in isotope-labeled quantitative proteomics is
89 zation laser beam, which affect the absolute peak areas in the mass spectra, can be minimized by usin
90 cles formed from the same solution, relative peak areas in the same mass spectra vary only by an aver
91 erpene aglycone did not exceed 1.3% of total peak area indicating almost complete decomposition/trans
93 spectra, can be minimized by using relative peak areas instead of absolute peak areas in each spectr
94 e tolerance test-derived incremental insulin peak, area, insulin-to-glucose index, and acute insulin
98 n = 10, interday; 0.04-1.35% RSD; n = 5) and peak area (intraday; 0.63-6% RSD; n = 10, interday; 4-12
99 conditions, the coefficient of variation in peak area is 10%, and if labeling efficiency is estimate
101 tive calibration of the separations based on peak areas is also performed, again with substantial imp
102 t, the analytical signal (square root of the peak area) is nearly independent of the ohmic drop.
103 A quantitative comparison (percent of total peak area) is presented for 16 components, which compris
104 for spectral matching with a library and to peak area linearity with concentration, calibration plot
105 these extracts were compared in terms of (i) peak area measurements of selected features to assess re
106 tes, achieves a linear detector response for peak area measurements over the range 2.5 to 22.5 pmol (
107 veral repetitions, the error of the relative peak area measurements remained below 11%, suggesting th
111 expressed as ratios of different metabolite peak areas (N-acetylaspartate [NA]/creatine [Cr], NA/cho
112 uantitation methods based on chromatographic peak area (NAAF), parent ion intensity in MS1 (NIAF), an
113 on wavelength, and was compared to the Raman peak area obtained at a sapphire or sapphire/50 nm Au in
115 s of standards and matched comparison of the peak area of 40 identified and 27 unidentified compounds
116 hiols and by normalizing with respect to the peak area of an injected standard solution of glutathion
117 ucted peak area is further normalized to the peak area of an internal standard protein digest present
118 ratio of the phosphopeptide peak area to the peak area of an unmodified reference peptide that acts a
119 oglobin peptides was normalized to the total peak area of apolipoprotein A-I peptides from human plas
121 Relative standard deviations of normalized peak area of enzymatic product BODIPY-GDP were 5% and 11
123 the fraction of labelling; (iii) the average peak area of mono-isotopic and labelled peaks in each sa
126 toms per molecule), the correlation of the P-peak area of the amplified gene fragment, with respect t
127 each equilibrium change against the initial peak area of the analyte found in the headspace leads to
128 ee and bound glucose was subtracted from the peak area of the GA-ANDSA resulting from the free glucos
133 achieved by determining the chromatographic peak area of the two analyte peptides relative to the na
135 arameters evaluated were phenolic compounds, peak area of unidentified compounds, 5-hydroxymethylfurf
136 tandard deviations for the total ion current peak areas of 500 fmol of angiotensin I were improved by
138 each protein is determined by comparing the peak areas of all peptides from that protein in one samp
139 proteins, we demonstrated mean increases in peak areas of almost 90% compared to conventional SRM.
143 amount from 10 to 1000 fmol, while relative peak areas of four constant proteins remained approximat
144 complex were calculated from the sum of ion peak areas of free and complexed proteins during the tit
147 od based on the ratio between the integrated peak areas of kahweol (K) divided by the sum of K and 16
151 monitoring to determine the chromatographic peak areas of specific tryptic peptides from the protein
152 ard deviations (RSD%) of retention times and peak areas of spiked samples were less than 0.59% and 2.
155 ntrations were determined by comparing MS/MS peak areas of the endogenous peptides to the isotopicall
158 of I and an internal standard (II) with the peak areas of the same analytes spiked before extraction
159 e was constructed on the basis of the summed peak areas of the three highest intensity fragment ions
163 raphy (HPSEC) was used to monitor changes in peak areas of triacylglycerol (TG) polymer, monomer and
164 compounds because the relative single proton peak areas of two chemical species represent the relativ
166 in mobile phase and comparing the response (peak areas) of I and an internal standard (II) with the
168 ample capacity, recovery, reproducibility of peak area or peak height ratios, and linearity between p
173 tion with high repeatability with respect to peak area, peak width at half height, and retention time
174 rit in this proof-of-principle study include peak area precision of 4-6%, stable migration times (1.4
178 line on an open DMF device and comparing the peak area ratio obtained to an on-chip generated calibra
179 ence limits for comparing the exposure using peak area ratio of metabolites in animal plasma versus h
180 s based on a quadratic or power curve of the peak area ratio of the metabolite over the internal stan
184 plasmas were calculated, and the slopes and peak area ratios at all concentrations within the standa
185 enriched samples was determined by comparing peak area ratios corresponding to (10)B and (11)B of sam
186 roducibly quantified based on their relative peak area ratios in human serum during PRM assay develop
187 determined directly from the HPLC-ESI-MS/MS peak area ratios of (15)N-N(2)-BPDE-dG and N(2)-BPDE-dG.
188 isons, mean coefficients of variation of the peak area ratios of AA/AA* were less than 5% for all but
192 pecific fragmentation patterns, and relative peak area ratios of two product/precursor ion pairs.
195 s underscored by calculations performed with peak areas, ratios of standard/internal standard peak ar
196 chnique were well correlated considering the peak area related to trans double bonds and chemometrics
197 C instrument shows good repeatability (<3.5% peak area relative standard deviation), approximately 4
198 osition than electrokinetic injections, with peak area relative standard deviations (RSDs) less than
200 ately 970 metabolite signals with repeatable peak areas (relative standard deviation (RSD) </= 25%) c
202 separation (10 min), good retention time and peak area repeatability, (RSD% 0.80 and 8.68, respective
203 grated ISTDs, both Cs and Li improved the Na peak area reproducibility approximately 2-fold, to final
204 y 20,000 psi (1380 bar), the system showed a peak area reproducibility of approximately 2.5% RSD, con
206 alibration linearity, and retention time and peak area reproducibility were obtained for 14 oxy-compo
207 d 3.6% for peak height and 0.9% and 2.9% for peak area, respectively) and LOD = 7 and 26 mumol L(-1).
208 he small fraction of compounds increasing in peak area response by the addition of MeOH to H2O, 5%, i
209 hermal desorption tubes, and correlating the peak area response from the MS with the vapor concentrat
211 ct peak areas; a histogram of the normalized peak areas reveals clusters of events caused by 0, 1, 2,
214 d QC sample measurements demonstrated median peak area RSD values of <20% for the RPC assays and <25%
216 vided satisfactory repeatability in terms of peak area (RSD<2.9%) and retention time (RSD<0.2%) both
218 Acceptable repeatabilities were obtained for peak area (%RSD <3.1% and <3.7%) and migration times (%R
221 reduction peak current (A, nA), a reduction peak area (S, nA x V), and a peak potential (P, V), were
225 olecular ion but also the reproducibility of peak areas, thereby almost doubling the number of signif
226 ermined from the ratio of the phosphopeptide peak area to the peak area of an unmodified reference pe
228 ctropherograms generally uses time-corrected peak areas to account for the differences in apparent ve
229 pair and then calculates the ratio of their peak areas to represent the relative concentration diffe
230 emonstrated that good discrimination (99% of peak area under the ROC curve) can be obtained with a re
232 f migration time, peak height, and corrected peak area) under the chosen stacking conditions (cations
233 compound concentrations as well as for total peak area values, disabling prediction of the coffee age
238 t, and linear calibration curves of relative peak area versus aqueous concentration are obtained for
241 e by which 50% of cortical vertices attained peak area was 14.6 years (SE = .03) in ADHD, significant
242 Correlation of variation (CV) of <10% for peak area was measured from triplicate sample analyses a
243 ilm, and the percent relative uncertainty in peak area was reduced from 15 to 1.7% for the 1347 cm(-1
244 before each CZE run on comprehensive ITP-CZE peak area was studied, and leading electrolyte volumes b
246 sult of enzymatic hydrolysis 85-91% of total peak areas was terpene aglycone, whereas for acid hydrol
249 ibilities of retention time, efficiency, and peak area were investigated, and the results showed that
252 rd deviations (RSDs) for migration times and peak areas were below 2% and 12%, respectively, and an i
257 etected at the low nanogram (pmol) level and peak areas were linear from 1 to 1000 micrograms for a s
261 relation curves, rho(o) (peak height) and A (peak area), were shown to be reliable measures of the ex
262 ronic band structure upon doping using the G peak area which is enhanced when the laser photon energy
263 Reproducibility obtained for peak height and peak area with electroosmotic flow injection is comparab
264 s not adsorb appreciably, while a decreasing peak area with increasing distance infers inner surface
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