نتایج جستجو برای: enrichment method

تعداد نتایج: 1666013  

2007
Igor Trajkovski Nada Lavrac

This paper presents a novel method integrating gene-gene interaction information and Gene Ontology for the construction of new gene sets that are potentially enriched. Enrichment of a gene set is determined by Gene Set Enrichment Analysis, which is a microarray data analysis method that uses ranks of the genes, according to their differentially expression values, to identify significant biologi...

2014
Rebecca L. Rose Douglas Julin Shuwei Li

Title of Thesis: Development of Techniques for Plasma Membrane and Cell Surface Enrichment Rebecca L. Rose, Master of Science, 2014 Directed By: Catherine Fenselau, Professor, Department of Chemistry and Biochemistry The goal of this work is to develop and compare two methods of cell surface protein enrichment. The plasma membrane and cell surface proteomes are of great interest for the develop...

Journal: :Japanese journal of infectious diseases 2012
Mitsugu Yamazaki Hidemi Aoki Yoshito Iwade Masakado Matsumoto Kazuhiro Yamada Hiroaki Yamamoto Masahiro Suzuki Reiji Hiramatsu Hiroko Minagawa

We developed an enrichment medium for use with the loop-mediated isothermal amplification (LAMP) assay (enrichment media + LAMP assay) to quickly increase a very small number of Vibrio parahaemolyticus cells to the detection limit of the assay. Thirty-nine different enrichment media were prepared based on evaluating 12 potential ingredients. From our assessment of the 39 media, enrichment m...

Journal: :Journal of AOAC International 2003
Denise Hughes Angela E Dailianis Louise Hill Michael S Curiale Vidhya Gangar

A collaborative study was conducted to compare a new enrichment procedure for the TECRA Salmonella Visual Immunoassay (TSVIA) with the reference method given in the U.S. Food and Drug Administration's Bacteriological Analytical Manual (7th Ed.). Three food types (milk powder, pepper, and soy flour) were analyzed in Australia and 3 food types (milk chocolate, dried egg, and raw turkey) were anal...

2010
Daniele Merico Ruth Isserlin Oliver Stueker Andrew Emili Gary D. Bader

BACKGROUND Gene-set enrichment analysis is a useful technique to help functionally characterize large gene lists, such as the results of gene expression experiments. This technique finds functionally coherent gene-sets, such as pathways, that are statistically over-represented in a given gene list. Ideally, the number of resulting sets is smaller than the number of genes in the list, thus simpl...

Journal: :SIAM J. Scientific Computing 2009
Shuyu Sun Jiangguo Liu

This paper presents a locally conservative finite element method based on enriching the approximation space of the continuous Galerkin method with elementwise constant functions. The proposed method has a smaller number of degrees of freedom than the discontinuous Galerkin method. Numerical examples on coupled flow and transport in porous media are provided to illustrate the advantages of this ...

2002
John G. Jones Rui Perdigoto Tiago B. Rodrigues

A simple H NMR method for quantifying absolute H-enrichments in all seven aliphatic positions of glucose following its derivatization to monoacetone glucose is presented. The method is based on the addition of a small quantity of Henriched formate to the NMR sample. When the method was applied to [2-H]monoacetone glucose samples prepared from [2-H]glucose standards of known enrichments in the r...

Journal: :J. Comput. Physics 2006
Nicholas Zabaras Baskar Ganapathysubramanian Lijian Tan

Dendritic solidification of pure materials from an undercooled melt is studied using the extended finite element method/level set method for modelling the thermal problem and a volume-averaged stabilized finite element formulation for modelling fluid flow. The extended finite element method using evolving enrichment functions allows accurate modelling of the discontinuous thermal conditions at ...

Journal: :Zoo biology 2013
Thomas Quirke Ruth M O'Riordan

Documenting the effects of novel forms of enrichment is becoming increasingly important within the field of environmental enrichment. Appropriate documentation and evaluation must accompany any enrichment research project in order for accurate results to be obtained. The objective of the present study was to provide an example of how the level of effort in documenting the effect of enrichment i...

Journal: :Clinical chemistry 1998
E G van den Heuvel T Muys H Pellegrom J P Bruyntjes W van Dokkum S Spanhaak G Schaafsma

Iron absorption can be measured by the incorporation of stable iron isotopes into erythrocytes, 14 days after isotope administration. The disadvantage of this method is the high dose of isotopes needed to obtain a sufficient enrichment. Therefore, in this study cell fractions rich in young erythroid cells were prepared by using a density separation method. From 10 women blood was taken 4, 5, an...

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