Research Topics
| Hua XuSummaryAffiliation: The Ohio State University Country: USA Publications
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Detail Information
Publications
A mass accuracy sensitive probability based scoring algorithm for database searching of tandem mass spectrometry dataHua Xu
Department of Chemistry, The Ohio State University, Columbus 43210, OH, USA
BMC Bioinformatics 8:133. 2007..Various algorithms have since been developed to automate the process for modern high-throughput LC-MS/MS experiments...
A robust linear regression based algorithm for automated evaluation of peptide identifications from shotgun proteomics by use of reversed-phase liquid chromatography retention timeHua Xu
Department of Molecular Virology Immunology and Medical Genetics, Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, OH 43210, USA
BMC Bioinformatics 9:347. 2008..This report describes the implementation of an automated approach to reduce false positives and validate peptide matches...
Mass spectrometry profiles superoxide-induced intramolecular disulfide in the FMN-binding subunit of mitochondrial Complex ILiwen Zhang
Campus Chemical Instrument Center, Proteomics and Mass Spectrometry Facility, The Ohio State University, Columbus, Ohio 43210, USA
J Am Soc Mass Spectrom 19:1875-86. 2008....
Assaying pharmacodynamic endpoints with targeted therapy: flavopiridol and 17AAG induced dephosphorylation of histone H1.5 in acute myeloid leukemiaLiwen Wang
Department of Chemistry, The Ohio State University, Columbus OH, USA
Proteomics 10:4281-92. 2010..As such, this approach may be a highly informative marker for response to targeted therapies influencing histone phosphorylation...
A hierarchical MS2/MS3 database search algorithm for automated analysis of phosphopeptide tandem mass spectraHua Xu
Department of Molecular Virology, Immunology and Medical Genetics, The Ohio State University, Columbus, OH, USA
Proteomics 9:1763-70. 2009..The additional MS(3) spectral data also improved the overall reliability and the number of true positives (TPs) due to the fact that the TPs of the MS(2)/MS(3) search results had higher scores than those of the MS(2)...
MassMatrix: a database search program for rapid characterization of proteins and peptides from tandem mass spectrometry dataHua Xu
Department of Chemistry, The Ohio State University, Columbus, OH 43210, USA
Proteomics 9:1548-55. 2009..The algorithm is available for public searches at (http://www.massmatrix.net)...
Monte carlo simulation-based algorithms for analysis of shotgun proteomic dataHua Xu
Department of Molecular Virology, Immunology, and Medical Genetics, The Ohio State University, Columbus, Ohio 43210, USA
J Proteome Res 7:2605-15. 2008..Receiver operating characteristic analysis of the data sets confirmed that MCS-based models improved the overall performance of the MassMatrix search software, especially for low-mass accuracy data sets...
Identification and characterization of disulfide bonds in proteins and peptides from tandem MS data by use of the MassMatrix MS/MS search engineHua Xu
Department of Chemistry, The Ohio State University, Columbus, Ohio 43210, USA
J Proteome Res 7:138-44. 2008..0) during digestion, only one nonnative disulfide bond was observed. The MassMatrix algorithm offers an additional approach for the discovery of disulfide bond from tandem mass spectrometry data...
Validation of an LC-MS based approach for profiling histones in chronic lymphocytic leukemiaXiaodan Su
Molecular Virology, Immunology and Medical Genetics, The Ohio State University, Columbus, OH 43210, USA
Proteomics 9:1197-206. 2009..Protein identities were determined using high mass accuracy MS and shotgun proteomics...
Controlled photochemical release of nitric oxide from O2-substituted diazeniumdiolatesChristopher M Pavlos
Department of Chemistry, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA
Free Radic Biol Med 37:745-52. 2004..In addition, the photochemistry of diazeniumdiolate salts themselves is covered...
Automated acquisition of disease drug knowledge from biomedical and clinical documents: an initial studyElizabeth S Chen
Clinical Informatics Research and Development, Partners HealthCare System, 93 Worcester Street, PO Box 81902, Wellesley, MA 02481, USA
J Am Med Inform Assoc 15:87-98. 2008..Explore the automated acquisition of knowledge in biomedical and clinical documents using text mining and statistical techniques to identify disease-drug associations...
Gene symbol disambiguation using knowledge-based profilesHua Xu
Department of Biomedical Informatics, Columbia University, New York City, New York, USA
Bioinformatics 23:1015-22. 2007..Existing knowledge sources, such as Entrez Gene and the MEDLINE database, contain information concerning the characteristics of a particular gene that could be used to disambiguate gene symbols...
Natural language processing and visualization in the molecular imaging domainP Karina Tulipano
Department of Biomedical Informatics, Columbia University, 622 West 168th Street, Vanderbilt Clinic Floor 5, NY 10032, USA
J Biomed Inform 40:270-81. 2007..74 (95% CI: [.70-.76]) and 0.70 (95% CI [.63-.76]), respectively. We adapt a JAVA viewer known as PGviewer for the simultaneous visualization of images with NLP extracted information...
Machine learning and word sense disambiguation in the biomedical domain: design and evaluation issuesHua Xu
Department of Biomedical Informatics, Columbia University, 622 168th St, New York City, New York, USA
BMC Bioinformatics 7:334. 2006..Thus, there is a need to explicitly address the factors and to systematically quantify their effects on performance...
