| Id |
Subject |
Object |
Predicate |
Lexical cue |
| TextSentencer_T1 |
0-84 |
Sentence |
denotes |
Label-free protein quantification using LC-coupled ion trap or FT mass spectrometry: |
| T1 |
0-84 |
Sentence |
denotes |
Label-free protein quantification using LC-coupled ion trap or FT mass spectrometry: |
| TextSentencer_T2 |
85-152 |
Sentence |
denotes |
Reproducibility, linearity, and application with complex proteomes. |
| T2 |
85-152 |
Sentence |
denotes |
Reproducibility, linearity, and application with complex proteomes. |
| TextSentencer_T3 |
153-294 |
Sentence |
denotes |
A critical step in protein biomarker discovery is the ability to contrast proteomes, a process referred generally as quantitative proteomics. |
| T3 |
153-294 |
Sentence |
denotes |
A critical step in protein biomarker discovery is the ability to contrast proteomes, a process referred generally as quantitative proteomics. |
| TextSentencer_T4 |
295-594 |
Sentence |
denotes |
While stable-isotope labeling (e.g., ICAT, 18O- or 15N-labeling, or AQUA) remains the core technology used in mass spectrometry-based proteomic quantification, increasing efforts have been directed to the label-free approach that relies on direct comparison of peptide peak areas between LC-MS runs. |
| T4 |
295-594 |
Sentence |
denotes |
While stable-isotope labeling (e.g., ICAT, 18O- or 15N-labeling, or AQUA) remains the core technology used in mass spectrometry-based proteomic quantification, increasing efforts have been directed to the label-free approach that relies on direct comparison of peptide peak areas between LC-MS runs. |
| TextSentencer_T5 |
595-696 |
Sentence |
denotes |
This latter approach is attractive to investigators for its simplicity as well as cost effectiveness. |
| T5 |
595-696 |
Sentence |
denotes |
This latter approach is attractive to investigators for its simplicity as well as cost effectiveness. |
| TextSentencer_T6 |
697-827 |
Sentence |
denotes |
In the present study, the reproducibility and linearity of using a label-free approach to highly complex proteomes were evaluated. |
| T6 |
697-827 |
Sentence |
denotes |
In the present study, the reproducibility and linearity of using a label-free approach to highly complex proteomes were evaluated. |
| TextSentencer_T7 |
828-980 |
Sentence |
denotes |
Various amounts of proteins from different proteomes were subjected to repeated LC-MS analyses using an ion trap or Fourier transform mass spectrometer. |
| T7 |
828-980 |
Sentence |
denotes |
Various amounts of proteins from different proteomes were subjected to repeated LC-MS analyses using an ion trap or Fourier transform mass spectrometer. |
| TextSentencer_T8 |
981-1179 |
Sentence |
denotes |
Highly reproducible data were obtained between replicated runs, as evidenced by nearly ideal Pearson's correlation coefficients (for ion's peak areas or retention time) and average peak area ratios. |
| T8 |
981-1179 |
Sentence |
denotes |
Highly reproducible data were obtained between replicated runs, as evidenced by nearly ideal Pearson's correlation coefficients (for ion's peak areas or retention time) and average peak area ratios. |
| TextSentencer_T9 |
1180-1328 |
Sentence |
denotes |
In general, more than 50% and nearly 90% of the peptide ion ratios deviated less than 10% and 20%, respectively, from the average in duplicate runs. |
| T9 |
1180-1328 |
Sentence |
denotes |
In general, more than 50% and nearly 90% of the peptide ion ratios deviated less than 10% and 20%, respectively, from the average in duplicate runs. |
| TextSentencer_T10 |
1329-1498 |
Sentence |
denotes |
In addition, the multiplicity ratios of the amounts of proteins used correlated nicely with the observed averaged ratios of peak areas calculated from detected peptides. |
| T10 |
1329-1498 |
Sentence |
denotes |
In addition, the multiplicity ratios of the amounts of proteins used correlated nicely with the observed averaged ratios of peak areas calculated from detected peptides. |
| TextSentencer_T11 |
1499-1617 |
Sentence |
denotes |
Furthermore, the removal of abundant proteins from the samples led to an improvement in reproducibility and linearity. |
| T11 |
1499-1617 |
Sentence |
denotes |
Furthermore, the removal of abundant proteins from the samples led to an improvement in reproducibility and linearity. |
| TextSentencer_T12 |
1618-1768 |
Sentence |
denotes |
A computer program has been written to automate the processing of data sets from experiments with groups of multiple samples for statistical analysis. |
| T12 |
1618-1768 |
Sentence |
denotes |
A computer program has been written to automate the processing of data sets from experiments with groups of multiple samples for statistical analysis. |
| TextSentencer_T13 |
1769-1956 |
Sentence |
denotes |
Algorithms for outlier-resistant mean estimation and for adjusting statistical significance threshold in multiplicity of testing were incorporated to minimize the rate of false positives. |
| T13 |
1769-1956 |
Sentence |
denotes |
Algorithms for outlier-resistant mean estimation and for adjusting statistical significance threshold in multiplicity of testing were incorporated to minimize the rate of false positives. |
| TextSentencer_T14 |
1957-2104 |
Sentence |
denotes |
The program was applied to quantify changes in proteomes of parental and p53-deficient HCT-116 human cells and found to yield reproducible results. |
| T14 |
1957-2104 |
Sentence |
denotes |
The program was applied to quantify changes in proteomes of parental and p53-deficient HCT-116 human cells and found to yield reproducible results. |
| TextSentencer_T15 |
2105-2254 |
Sentence |
denotes |
Overall, this study demonstrates an alternative approach that allows global quantification of differentially expressed proteins in complex proteomes. |
| T15 |
2105-2254 |
Sentence |
denotes |
Overall, this study demonstrates an alternative approach that allows global quantification of differentially expressed proteins in complex proteomes. |
| TextSentencer_T16 |
2255-2404 |
Sentence |
denotes |
The utility of this method to biomarker discovery is likely to synergize with future improvements in the detecting sensitivity of mass spectrometers. |
| T16 |
2255-2404 |
Sentence |
denotes |
The utility of this method to biomarker discovery is likely to synergize with future improvements in the detecting sensitivity of mass spectrometers. |