Researches

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Article

Molecualr modelling studies on alpha-7 nicotinic receptor allosteric modulators yields novel filter-based virtual screening protocol

Published in: Journal of Molecular Graphics and Modelling

Jul 02, 2019

Sarah Al Rawashdah Amar hamrouni

The ɑ7 receptor is a member in the nicotinic acetylcholine receptor (nAChR) which has been implicated in several neurological disorders. Beside normal agonists and antagonists of α7 nAChRs, several studies revealed other types of molecules that are able to activate or deactivate ɑ7 receptors via allosteric binding; those are called positive allosteric modulators (PAMs) or negative allosteric modulators (NAMs), with the former having more pharmacological importance than the latter. Since both ty...


Article

Examining the relationship between audit committee effectiveness and audit fees: An empirical investigation on companies listed in the UAE financial markets

Published in: Electronic Journal of Applied Statistical Analysis

Jun 04, 2019

This study seeks to understand the relationship between audit committee effectiveness and audit fees. Prior literature suggests two perspectives to explain this relationship; the first is demand based whereas a positive rela- tionship is expected, while the second is audit risk which propose a negative relationship between the two variables. In order to test the relationship be- tween the two variables, data were collected from 64 companies listed in Abu Dhabi Securities Exchange and Dubai Fina...


Article

Apply the quantum particle swarm optimization for the K-traveling repairman problem

Published in: Soft Computing

Jun 03, 2019

Jmal Syrine Haddar Boukthir Chabchoub Habib

This paper deals with an optimization problem encountered in the field of transport of goods and services, namely the K-traveling repairman problem (K-TRP). This problem is a generalization of the metric traveling repairman problem (TRP) which is also known as the deliveryman problem and the minimum latency problem. The K-TRP and the related problems can be considered as “customer-centric” routing problems because the objectif function consists in minimize the sum of the waiting times of custom...


Other

On the Path Loss Model for 5-GHz Microwave-Based Pinless Subsea Connectors

Published in: Progress In Electromagnetics Research

Jun 01, 2019

Jose Carlos Reyes Guerrero Ismail Ben Mabrouk Muath Alhassan Mourad Nedil

In this work, a simple propagation channel model for microwave-based pinless subsea connectors in the 5 GHz band is presented. Both high electromagnetic attenuation in seawater due to absorption and the near-field working conditions typically present for underwater connectors are taken into consideration. Therefore, a simplified path loss model based on linear regression is identified. The study shows that high-speed pinless subsea connectors are a reality over several cm of seawater gap when a...

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