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3 results on '"Audrey Dumas"'

1. On the measurement of educational attainment and inequality with ordinal variables

Author

Jacques Silber and Audrey Dumas

Subjects
Ordinal data, Economics and Econometrics, Inequality, media_common.quotation_subject, 05 social sciences, 050301 education, Qualitative property, Educational inequality, Educational attainment, Education, 0502 economics and business, Econometrics, 050207 economics, Psychology, 0503 education, media_common
Abstract

Data on educational attainments are often qualitative data where the only information available is the highest level of education of the individual. If these levels of education may be ranked, the ...

Published
2020
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2. Third-party logistics efficiency: an innovative two-stage DEA analysis of the French market

Author

Laurent Cavaignac, Audrey Dumas, and Romain Petiot

Subjects
021103 operations research, Third party, Strategy and Management, 05 social sciences, 0211 other engineering and technologies, 02 engineering and technology, Management Science and Operations Research, Management Information Systems, Management of Technology and Innovation, Component (UML), 0502 economics and business, Key (cryptography), Tobit model, Performance measurement, Business, Business and International Management, Productivity, 050203 business & management, Industrial organization
Abstract

During the last decade, Third-Party Logistics (3PLs) became a key component of industrial organisations and, consequently, of their performance. This article provides an analysis of the productive ...

Published
2020
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3. Synthesis and Antiviral Evaluation of 4′-C-Azidomethyl-β-D-Ribofuranosyl Purine and Pyrimidine Nucleosides

Author

Gilles Gosselin, Richard Storer, Jean-Pierre Sommadossi, Audrey Dumas, and Jean-François Griffon

Subjects
Purine, Glycosylation, Pyrimidine, Hepatitis C virus, RNA, Purine Nucleosides, General Medicine, Pyrimidine Nucleosides, medicine.disease_cause, Antiviral Agents, Biochemistry, chemistry.chemical_compound, chemistry, Genetics, medicine, Nucleic acid, RNA Viruses, Molecular Medicine
Abstract

In the search for inhibitors of the replication of RNA viruses, including hepatitis C virus (HCV), the hitherto unknown 4'-C-azidomethyl-beta-D-ribofuranosyl nucleosides of the five naturally occurring nucleic acid bases have been synthesized and their antiviral properties examined. These 4'-C-branched nucleosides were stereospecifically prepared by glycosylation of purine and pyrimidine aglycons with a suitable peracylated 4-C-azidomethyl-D-pentofuranose sugar, followed by removal of the protecting groups. The prepared compounds were tested for their activity against several viruses, but they did not show an antiviral effect.

Published
2009
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