Results 51 to 60 of about 601 (177)

A discourse analysis methodology based on semantic principles - an application to brands, journalists and consumers discourses [PDF]

open access: yesJournal of Intelligence Studies in Business, 2011
This is a R&D Paper. It describes an analysis coming from a research project about opinion measurement and monitoring on the Internet. This research is realized within "Paragraphe" laboratory, in partnership with the market research institute Harris ...
Luc Grivel, Olivier Bousquet
doaj  

An ex vivo Model of HIV-1 Infection in Human Lymphoid Tissue and Cervico-vaginal Tissue

open access: yesBio-Protocol, 2014
Human tissue explants are a valuable tool to study the interactions between host and infectious agents. They reliably mimic many important aspects of tissue cytoarchitecture and functions and allow us the investigation of the mechanisms of microbial ...
Andrea Introini   +3 more
doaj   +1 more source

Sleep-deprivation regulates α-2 adrenergic responses of rat hypocretin/orexin neurons. [PDF]

open access: yesPLoS ONE, 2011
We recently demonstrated, in rat brain slices, that the usual excitation by noradrenaline (NA) of hypocretin/orexin (hcrt/orx) neurons was changed to an inhibition following sleep deprivation (SD).
Aaron Uschakov   +7 more
doaj   +1 more source

Selective transmission of R5 HIV-1 variants: where is the gatekeeper?

open access: yesJournal of Translational Medicine, 2011
To enter target cells HIV-1 uses CD4 and a coreceptor. In vivo the coreceptor function is provided either by CCR5 (for R5) or CXCR4 (for X4 HIV-1). Although both R5 and X4 HIV-1 variants are present in body fluids (semen, blood, cervicovaginal and rectal
Grivel Jean-Charles   +2 more
doaj   +1 more source

Rat hypocretin/orexin neurons are maintained in a depolarized state by TRPC channels. [PDF]

open access: yesPLoS ONE, 2010
In a previous study we proposed that the depolarized state of the wake-promoting hypocretin/orexin (hcrt/orx) neurons was independent of synaptic inputs as it persisted in tetrodotoxin and low calcium/high magnesium solutions.
Vesna Cvetkovic-Lopes   +7 more
doaj   +1 more source

Abstract Book: 25th Congress of the European Hematology Association Virtual Edition, 2020

open access: yes, 2020
HemaSphere, Volume 4, Issue S1, Page 1-1168, June 2020.
wiley   +1 more source

Héritages et influences contemporaines des anciens ouvrages de navigation de la Loire moyenne (France)

open access: yesVertigO, 2018
Dikes -called “duits” and “chevrette”- impregnate strongly the fluvial landscape of the Loire Valley through their ubiquity and their integration into structures of the old port cities.
Stéphane Grivel    +6 more
doaj   +1 more source

Naturel, rationnel, utile : penser l’optimisation avec quelques utopies des Lumières

open access: yesEtudes Epistémè
Optimum is a theoretical locus where the three concepts of the natural, the rational and the useful converge in the 18th century. This article shows that different utopian discourses of the French Enlightenment are characterized by the distinct ways in ...
Mitia Rioux-Beaulne
doaj   +1 more source

Addition of thrombin reduces the recovery of extracellular vesicles from blood plasma

open access: yesJournal of Circulating Biomarkers, 2016
Extracellular vesicles (EVs) are widely studied as a system of intercellular communication, as markers of various diseases, as well as a vehicle for delivery of various bioactive molecules to various cells.
Anush Arakelyan   +5 more
doaj   +1 more source

Studying LF and HF Time Series to Characterize Cardiac Physiological Responses to Mental Fatigue

open access: yesEngineering Proceedings
Heart rate variability (HRV) was largely used to evaluate psychophysiological status of Human at rest as well as during cognitive tasks, for both healthy subjects and patients.
Alexis Boffet   +2 more
doaj   +1 more source

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