User profiles for Yuliya Karpievitch

Yuliya Karpievitch

AI & 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

YV Karpievitch, AR Dabney, RD Smith - BMC bioinformatics, 2012 - Springer
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 …

[HTML][HTML] Liquid chromatography mass spectrometry-based proteomics: biological and technological aspects

YV Karpievitch, AD Polpitiya, GA Anderson… - The annals of applied …, 2010 - ncbi.nlm.nih.gov
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 …

Population scale mapping of transposable element diversity reveals links to gene regulation and epigenomic variation

T Stuart, SR Eichten, J Cahn, YV Karpievitch… - elife, 2016 - elifesciences.org
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 …

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 …

[HTML][HTML] Extensive transcriptomic and epigenomic remodelling occurs during Arabidopsis thaliana germination

…, Q Gouil, D Secco, A Srivastava, YV Karpievitch… - Genome biology, 2017 - Springer
Background Seed germination involves progression from complete metabolic dormancy to
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 …

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 (…

[HTML][HTML] Metabolomics data normalization with EigenMS

YV Karpievitch, SB Nikolic, R Wilson, JE Sharman… - PloS one, 2014 - journals.plos.org
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 …

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…

[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 …