College of Arts & Sciences: المرسلات الحديثة
السجلات المعروضة 401 -- 420 من 3630
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Biodiversity and possible utilization of halophytes in Qatar
( Springer International Publishing , 2021 , Book chapter)Climate change, nature destruction, food security, and accessibility to fresh water are all the most concerning world issues facing humanities. There are many solutions to minimize the adverse effects of such environmental ... -
Synchronization and chimeras in a network of photosensitive FitzHugh-Nagumo neurons
( Springer Science and Business Media B.V. , 2021 , Article)Recently, a photosensitive model has been proposed that takes into account nonlinear encoding and responses of photosensitive neurons that are subject to optical signals. In the model, a photocell term has been added to ... -
8-hydroxyquinoline grafted triazole derivatives as corrosion inhibitors for carbon steel in H2SO4 solution: Electrochemical and theoretical studies
( Springer Science and Business Media Deutschland GmbH , 2021 , Article)The inhibition capacity of carbon steel (CS) in 0.5M H2SO4 by three 8-hydroxyquinoline grafted triazole derivatives (EHTC, AHTC, and MHTC) have been investigated using electrochemical impedance spectroscopy (EIS), ... -
Co-doped zigzag graphene nanoribbon based gas sensor for sensitive detection of H2S: DFT study
( Academic Press , 2021 , Article)In this work, we present a highly sensitive gas sensor for the detection of poisonous hydrogen sulfide gas (H2S) based on copper and zinc co-doped zigzag graphene nanoribbon (Cu/Zn-ZGNR). The electronic properties as well ... -
Computational study of metal doped graphene nanoribbon as a potential platform for detection of H2S
( Elsevier Ltd , 2021 , Article)Theoretical investigation for detection of hydrogen sulfide (H2S) gas using hydrogen/nitrogen-terminated armchair graphene nanoribbon (HAGNR and NAGNR) doped with Pt is presented in this study. The investigation was ... -
First principle study of transition metals codoped MoS2 as a gas sensor for the detection of NO and NO2 gases
( Elsevier B.V. , 2021 , Article)Exposure to nitrogen oxides (NOx) has been reported to seriously affect the respiratory systems. More precisely, breathing NOx may lead to the appearance of asthma symptoms, and may also result in the infection with asthma ... -
Sensitive SO2 gas sensor utilizing Pt-doped graphene nanoribbon: First principles investigation
( Elsevier Ltd , 2021 , Article)The objective of this work is to seek a highly sensitive gas sensor for the detection of sulfur dioxide (SO2) by investigating the impacts of passivation as well as metal doping of armchair-edge graphene nanoribbon (AGNR) ... -
Application of artificial intelligence and gamma attenuation techniques for predicting gas-oil-water volume fraction in annular regime of three-phase flow independent of oil pipeline's scale layer
( MDPI AG , 2021 , Article)To the best knowledge of the authors, in former studies in the field of measuring volume fraction of gas, oil, and water components in a three-phase flow using gamma radiation technique, the existence of a scale layer has ... -
A image encryption algorithm based on chaotic Lorenz system and novel primitive polynomial S-boxes
( Springer , 2021 , Article)We have proposed a robust, secure and efficient image encryption algorithm based on chaotic maps and algebraic structure. Nowadays, the chaotic cryptosystems gained more attention due to their efficiency, the assurance of ... -
Cryptanalysis of nonlinear confusion component based encryption algorithm
( Elsevier , 2021 , Article)Recently many substitution box based encryption algorithms ensuring privacy have been proposed. Many, chaotic map based S-boxes have been generated posing high nonlinearity and strong cryptographic properties. Encryption ... -
Complex treatment of oily polluted waters by modified melamine foams: from colloidal emulsions to a free oil removal
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)This study deals with the efficient, low-cost, and scalable treatment of oily polluted waters including colloidal emulsions, oil-in-water mixtures, and free oil removal using melamine foams (MFs) modified by ferric chloride ... -
Purification of colloidal oil in water emulsions by cationic adsorbent prepared from recycled polyethylene waste
( Elsevier , 2024 , Article)This study deals with removing crude oil droplets from colloidal oil in water emulsions. The target was the development of efficient adsorbents for the tertiary treatment of industrial-produced water (PW). The novel adsorbent ... -
Fourier transform infrared imaging-A novel approach to monitor bio molecular changes in subacute mild traumatic brain injury
( MDPI AG , 2021 , Article)Traumatic brain injury (TBI) can be defined as a disorder in the function of the brain after a bump, blow, or jolt to the head, or penetrating head injury. Mild traumatic brain injury (mTBI) can cause devastating effects, ... -
Biomolecular alterations in acute traumatic brain injury (TBI) using Fourier transform infrared (FTIR) imaging spectroscopy
( Elsevier , 2021 , Article)Acute injury is one of the substantial stage post-traumatic brain injury (TBI) occurring at the moment of impact. Decreased metabolism, unregulated cerebral blood flow and direct tissue damage are triggered by acute injury. ... -
Remote Corticospinal Tract Degeneration After Cortical Stroke in Rats May Not Preclude Spontaneous Sensorimotor Recovery
( SAGE Publications Inc. , 2021 , Article)Background. Recovery of motor function after stroke appears to be related to the integrity of axonal connections in the corticospinal tract (CST) and corpus callosum, which may both be affected after cortical stroke. ... -
Corrigendum to "Investigations into structure-property relationships of novel Ru(II) dyes with N,N'-Diethyl group in ancillary ligand for dye-sensitized solar cells" [Dyes Pigments 171(2019) 107754-107762](S0143720819314639)(10.1016/j.dyepig.2019.107754)
( Elsevier , 2020 , Article)The authors regret the typos in the author names and affiliations. The authors would like to apologize for any inconvenience caused. Correction: The correct author names and affiliations should read as follows: Saba ... -
Adsorption of 2, 4-dichlorophenoxyacetic acid onto date seeds activated carbon: Equilibrium, kinetic and thermodynamic studies
(2012 , Article)Adsorption isotherm and kinetics of 2,4-dichlorophenoxyacetic acid (2,4-D) herbicide on activated carbon prepared from Barhi date seeds were determined from batch tests. The effects of contact time, initial herbicide ... -
Batch study for herbicide bentazon adsorption onto palm oil fronds activated carbon
(2012 , Article)The adsorption of herbicide bentazon from aqueous solution onto activated carbon derived from palm oil fronds (PFAC) was investigated through batch study. The effects of both; initial concentration of the bentazon (ranging ... -
Response to: "Cancer risk due to contamination: Consideration from market basket survey in Qatar"
( Elsevier , 2014 , Article)We welcome the comments on our article entitled “A market basket survey of As, Zn and Se in rice imports in Qatar: Health implications” (Rowell et al., 2014). The commenter opens up the debate on what constitutes a safe ... -
The use of optical spectroscopy as abiomarker probe for fungi identification
( Research India Publications , 2013 , Article)Spectroscopic techniques includinginfrared,Raman (FT-Raman) and ultraviolet spectroscopy (UV-Vis)spectroscopy were used to identify and differentiate three fungi within the same Aspergillus genus (A. fumigatus, A. terreusand ...
