College of Arts & Sciences: Recent submissions
Now showing items 1601-1620 of 3507
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Aqueous Extract Of Origanum Syriacum Inhibits Proliferation, Migration, Adhesion As Well As Erk1/2 Phosphorylation In Aggressive Breast Cancer
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Background: Breast Cancer is one of the leading causes of cancer related mortality in women, both in Qatar and the world. Despite the available treatments the incidence of breast cancer is increasing. This highlights the ... -
Development of Novel Reagents for Visualizing Latent Fingerprints
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Chemical composition of fingerprints includes the presence of salts, ions, fatty acids, lipids, amino acids, nucleobases, nucleotides, and nucleic acids. Many methods used to detect latent fingerprints on porous surfaces ... -
Modified Profile Likelihood Estimation in the Lomax Distribution
( Horizon Research Publishing , 2022 , Article)In this paper, we consider improving maximum likelihood inference for the scale parameter of the Lomax distribution. The improvement is based on using modifications to the maximum likelihood estimator based on the ... -
Evaluation of novel Prosopis juliflora water soluble leaf ethanolic extract as preservation coating material of cucumber
( Wiley , 2022 , Article)Cucumber (Cucumis sativus) is an economically important vegetable worldwide. Cucumbers have short shelf life with sensitivity to chilling injuries and fungal and bacterial postharvest diseases. Prosopis juliflora water-soluble ... -
The catalytic thermo-oxidative decomposition of glimepiride using the isoconversional method
( Springer , 2022 , Article)Applying the isoconversional method to data obtained from thermogravimetric analysis (TGA) can provide vital kinetic information. In this work, the thermal decomposition and oxidation of the antidiabetic drug glimepiride ... -
الجغرافيا الغروتسكية في السرد العربي الوسيط
( كلية الآداب والحضارة الاسلامية بجامعة الأمير عبد القادر للعلوم الإسلامية - قسنطينة- الجزائر , 2021 , Article)لقد بنى العرب على مدى الزمان تصوراتهم عن البلاد الأخرى المجهولة أو شبه المجهولة، حسبما أظهرت المدونات السردية بدءًا من العصور الإسلامية الأولى، وصولًا إلى العصر الإسلامي الوسيط الذي شكل صعود الأدبيات الجغرافية على نحو خاص، ... -
On Indefinite Quadratic Optimization over the Intersection of Balls and Linear Constraints
( Springer , 2022 , Article)In this paper, we study the minimization of an indefinite quadratic function over theintersection of balls and linear inequality constraints (QOBL). Using the hyperplanesinduced by the intersection of each pair of balls, ... -
Enhancing the Remediation Capacity of Mercury Ions from Fluorescent Lamp Using Roasted Date Pits and Its Modified Forms
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)One of the most toxic heavy metals in the environment is mercury (Hg). However, it still has major uses in various industrial and agricultural applications; leading to localized mercury pollution. There has been an increase ... -
Photodynamic therapy for hair removal
( Hamad bin Khalifa University Press (HBKU Press) , 2013 , Article)Background: Unwanted hair is one of the most common medical problems affecting women of reproductive age inducing a lot of psychological stress and threatening their femininity and self-esteem. Old methods of removing ... -
Environmental Factors Affecting the Growth and Enzymatic Activity of Ceratocystis Radicicolathe Causal Agent of Black Scorch Disease on Date Palm
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Background: Ceratocystis radicicola is a soil-borne pathogen (Wingfield et al, 1993) causing sudden death of date palm (Phoenix dactylifera) in USA and South Africa (Bliss, 1941; Lind & Smit, 1999). It also has been reported ... -
Synthesis, Characterization, Crystal Structures, and in vitro Antitumor Activity of Palladium and Platinum (Ii) Complexes with 2-Acetyl-4-Methylthiazole Thiosemicarbazone and 2-Acetylpyrazine Thiosemicarbazone
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The novel Schiff bases I HAMTTSC (2-Acetyl-4-methylthiazole thiosemicarbazone), II HAPTSC(2-Acetylpyrazine thiosemicarbazone) and their complexes with Pt(II) and Pd(II): 1 [Pt(AMTTSC)Cl], 2 [Pt(AMTTSC)2], 3 [Pd(AMTTSC)Cl], ... -
Effects of Combined Calcium Hypochlorite and Chlorine Dioxide on Drinking Water Quality in Qatar and Disinfection by Products Formation
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Chlorite, chlorate, bromate and trihalomethane's (THMs) are included in WHO guidelines for drinking water quality. This study examined dosing different chlorine concentrations as calcium hypochlorite (Ca(ClO)2) to water ... -
Online monitoring of climatic parameters: a statistical study about environmental changes in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Twentieth century has witnessed unprecedented changes in the climate whose profound effects are also observed on ecosystem and human life. The source of these changes are presumed to be increasing concentration of greenhouse ... -
Effect of Intensive Weight Loss Camp and Maintenance Clubs on Overweight School Children in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Obesity and overweight continue to raise in Qatar due to a confluence of factors such as genetics, overeating, inactivity, tradition of food-centered social events, convenience, and advertising of energy-dense fast foods, ... -
Properties of nanoclay PVA composites materials
( Hamad bin Khalifa University Press (HBKU Press) , 2013 , Article)Polyvinyl alcohol (PVA)/Na-rich Montmorillonite (MMT) nanocomposites were prepared using solution method to create polymer-clay nanocomposite (PCN) material. The PCN material was studied using X-ray diffraction (XRD), ... -
Plasmonic Modulator Based on Fano Resonance
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The field of plasmonics is continuously attracting research in the area of integrated photonics development, to highly integrate photonic components, devices and detectors in a single photonic chip, just as electronic chips ... -
Current biodiversity and biogeography trends of reef-building corals in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Coral reefs represent one of the most biologically and socio-economically important natural assets in the Arabian region, particularly in Qatar. Stress through increasing sea temperatures and salinities, growing development, ... -
صورة المكان ومدلولاته في المجموعة القصصية (الأشياء أقرب مما تبدو في المرآة) لسليمان المعمري: دراسة تحليلية
( جامعة الأميرة نورة بنت عبدالرحمن , 2022 , Article)تهتم هذه الدراسة بتتبع المكان وتشكيله ودلالاته في المجموعة القصصية (الأشياء أقرب مما تبدو في المرآة)، الصادرة سنة 2005م، للأديب العماني سليمان المعمري، إذ إن كل قصة من قصص هذه المجموعة تضم عددًا من الأمكنة ذات الدلالات ... -
Bio self-healing concrete using MICP by an indigenous Bacillus cereus strain isolated from Qatari soil
( Elsevier , 2022 , Article)In this study, the self-healing process in concrete through microbial-induced calcium carbonate precipitation (MICP) performed by an adapted indigenous strain of Bacillus cereus isolated from soils in Qatar was investigated. ... -
Unraveling the Role of Sex Hormones on Keratinocyte Functions in Human Inflammatory Skin Diseases
( MDPI , 2022 , Article Review)The skin exerts several fundamental functions that are the first physical, chemical and immune barriers to the human body. Keratinocytes, the main cell type of the epidermis, provide mechanical defense, support skin integrity ...