User profiles for Yuliya Karpievitch
Yuliya KarpievitchAI & Data Analyst, Biostatistician Verified email at telethonkids.org.au Cited by 2137 |
[HTML][HTML] Normalization and missing value imputation for label-free LC-MS analysis
Shotgun proteomic data are affected by a variety of known and unknown systematic biases
as well as high proportions of missing values. Typically, normalization is performed in an …
as well as high proportions of missing values. Typically, normalization is performed in an …
[HTML][HTML] Liquid chromatography mass spectrometry-based proteomics: biological and technological aspects
Mass spectrometry-based proteomics has become the tool of choice for identifying and
quantifying the proteome of an organism. Though recent years have seen a tremendous …
quantifying the proteome of an organism. Though recent years have seen a tremendous …
Population scale mapping of transposable element diversity reveals links to gene regulation and epigenomic variation
10.7554/eLife.20777.001 Variation in the presence or absence of transposable elements (TEs)
is a major source of genetic variation between individuals. Here, we identified 23,095 TE …
is a major source of genetic variation between individuals. Here, we identified 23,095 TE …
A statistical framework for protein quantitation in bottom-up MS-based proteomics
Y Karpievitch, J Stanley, T Taverner, J Huang… - …, 2009 - academic.oup.com
Motivation: Quantitative mass spectrometry-based proteomics requires protein-level estimates
and associated confidence measures. Challenges include the presence of low quality or …
and associated confidence measures. Challenges include the presence of low quality or …
[HTML][HTML] Extensive transcriptomic and epigenomic remodelling occurs during Arabidopsis thaliana germination
Background Seed germination involves progression from complete metabolic dormancy to
a highly active, growing seedling. Many factors regulate germination and these interact …
a highly active, growing seedling. Many factors regulate germination and these interact …
DanteR: an extensible R-based tool for quantitative analysis of-omics data
T Taverner, YV Karpievitch, AD Polpitiya… - …, 2012 - academic.oup.com
Motivation: The size and complex nature of mass spectrometry-based proteomics datasets
motivate development of specialized software for statistical data analysis and exploration. We …
motivate development of specialized software for statistical data analysis and exploration. We …
Label-free quantitative LC–MS proteomics of Alzheimer's disease and normally aged human brains
…, VA Petyuk, HM Brewer, YV Karpievitch… - Journal of proteome …, 2012 - ACS Publications
Quantitative proteomics analysis of cortical samples of 10 Alzheimer’s disease (AD) brains
versus 10 normally aged brains was performed by following the accurate mass and time tag (…
versus 10 normally aged brains was performed by following the accurate mass and time tag (…
[HTML][HTML] Metabolomics data normalization with EigenMS
Liquid chromatography mass spectrometry has become one of the analytical platforms of
choice for metabolomics studies. However, LC-MS metabolomics data can suffer from the …
choice for metabolomics studies. However, LC-MS metabolomics data can suffer from the …
Normalization of peak intensities in bottom-up MS-based proteomics using singular value decomposition
YV Karpievitch, T Taverner, JN Adkins… - …, 2009 - academic.oup.com
Motivation: LC-MS allows for the identification and quantification of proteins from biological
samples. As with any high-throughput technology, systematic biases are often observed in LC…
samples. As with any high-throughput technology, systematic biases are often observed in LC…
[HTML][HTML] An introspective comparison of random forest-based classifiers for the analysis of cluster-correlated data by way of RF++
YV Karpievitch, EG Hill, AP Leclerc, AR Dabney… - PloS one, 2009 - journals.plos.org
Many mass spectrometry-based studies, as well as other biological experiments produce
cluster-correlated data. Failure to account for correlation among observations may result in a …
cluster-correlated data. Failure to account for correlation among observations may result in a …