Results 41 to 50 of about 445,276 (292)

Accurate and effective latent concept modeling for ad hoc information retrieval [PDF]

Document numérique, 2014
Une requete est la representation du besoin d’information d’un utilisateur, et est le resultat d’un processus cognitif complexe qui mene souvent a un mauvais choix de mots-cles. Nous proposons une methode non supervisee pour la modelisation de concepts implicites d’une requete, dans le but de recreer la representation conceptuelle du besoin d ...
Deveaud, Romain, Sanjuan, Eric, Bellot, Patrice   +2 more
openaire   +2 more sources

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

FEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva, Ariann E. Mendoza‐Martínez, P. Abril Medina‐Flores, Carlos Campero‐Basaldua, Alexander DeLuna, Soledad Funes   +5 more
wiley   +1 more source

Performance Analysis of Routing Protocols in Ad-hoc and Sensor Networking Environments [PDF]

Telfor Journal, 2009
Ad-hoc and sensor networks are becoming an increasingly popular wireless networking concepts lately. This paper analyzes and compares prominent routing schemes in these networking environments.
L. Gavrilovska, V. Atanasovski, O. Ognenoski, V. Rakovic, F. Sarevski   +4 more
doaj  

Overview of Neighbor Discovery Algorithms in Directional Wireless Ad Hoc Networks [PDF]

Jisuanji kexue
A systematic summary is provided for the research achievements in directional neighbor discovery algorithms within the current domain of wireless directional ad hoc networks.Initially,stemming from the crucial significance of directional ad hoc networks ...
LI Xiang, ZHU Xiaojun, FENG Simeng, DONG Chao, ZHANG Lei
doaj   +1 more source

Describing the impact of health research: a Research Impact Framework. [PDF]

, 2006
BACKGROUND: Researchers are increasingly required to describe the impact of their work, e.g. in grant proposals, project reports, press releases and research assessment exercises.
Kuruvilla, Shyama, Mays, Nicholas, Pleasant, Andrew, Walt, Gill   +3 more
core   +1 more source

Newspaper headlines and relevance: Ad hoc concepts in ad hoc contexts

Journal of Pragmatics, 2009
Abstract This paper addresses the issue of newspaper-headline interpretation by questioning standard assumptions on how headlines are designed on the basis of largely prescriptive pragmatic guidelines or norms. The main questions examined are firstly, whether ‘appropriate headlines’ from the writer's perspective converge with ‘effective headlines ...
openaire   +2 more sources

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

PARP inhibition and pharmacological ascorbate demonstrate synergy in castration‐resistant prostate cancer

Molecular Oncology, EarlyView.
Pharmacologic ascorbate (vitamin C) increases ROS, disrupts cellular metabolism, and induces DNA damage in CRPC cells. These effects sensitize tumors to PARP inhibition, producing synergistic growth suppression with olaparib in vitro and significantly delayed tumor progression in vivo. Pyruvate rescue confirms ROS‐dependent activity.
Nicolas Gordon, Peter T. Gallagher, Orly I. Richter, Neermala Poudel Neupane, Amy C. Mandigo, Jennifer J. McCann, Emanuela Dylgjeri, Irina Vasilevskaya, Christopher McNair, Channing J. Paller, Wm. Kevin Kelly, Karen E. Knudsen, Matthew J. Schiewer, Ayesha A. Shafi   +13 more
wiley   +1 more source

An Artificial Immune System for Misbehavior Detection in Mobile Ad-Hoc Networks with Virtual Thymus, Clustering, Danger Signal and Memory Detectors [PDF]

, 2004
In mobile ad-hoc networks, nodes act both as terminals and information relays, and participate in a common routing protocol, such as Dynamic Source Routing (DSR).
G. Iannaccone, L.M. Sompayrac, L.N. Castro de, P. Matzinger, P. Matzinger, R.A. Goldsby, S. Buchegger, S.A. Hofmeyr, U. Aickelin   +8 more
core   +1 more source

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

Molecular Oncology, EarlyView.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley, Michael W. Rohr, Joseph A. Goode, Sai Preethi Nakkina, Jignesh G. Parikh, Deborah A. Altomare   +5 more
wiley   +1 more source