Browsing Qatar University Institutional Repository by Title
Now showing items 22525-22544 of 27413
-
Validation of the 6-Month GRACE Score in Predicting 1-Year Mortality of Patients With Acute Coronary Syndrome Admitted to the Arabian Gulf Hospitals
( SAGE Publications , 2016 , Article)Acute coronary syndromes (ACS) are the most common cardiovascular diseases and are associated with a significant risk of mortality and morbidity. The Global Registry of Acute Coronary Events (GRACE) risk score postdischarge ... -
Validation of the Arabic Version of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale
( Wiley , 2022 , Article)Background: The Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) has become the gold standard for evaluating different domains in Parkinson's disease (PD), and it is commonly used in clinical ... -
Validation of the Arabic version of the Social Communication Questionnaire
( SAGE Publications Ltd , 2019 , Article)Validated screening and diagnostic tools for autism spectrum disorder for use in Arabic-speaking individuals are scarce. This study validated the Arabic version of the Social Communication Questionnaire. The total study ... -
Validation of the General Self-Efficacy Scale among Qatari young women
( World Health Organization , 2015 , Article)The General Self-Efficacy Scale (GSES) is a measure of people’s beliefs about their capacity to cope with life’s demands. Self-efficacy may be particularly relevant in transitional stages such as in late adolescence, when ... -
Validation of the Schizophrenia Quality of Life Scale Revision 4 among Chronic Schizophrenia Patients in Malaysia
(2012 , Article)Objectives: To explore the validity and reliability of a disease-specific health-related quality-of-life questionnaire-the Schizophrenia Quality of Life Scale Revision 4 (SQLS-R4)-in patients with schizophrenia in Malaysia. ... -
Validation of three mental health scales among pregnant women in Qatar
( BMC , 2019 , Article)Objectives The objective of this study is to validate three mental health scales in a targeted sample of pregnant Arab women living in Qatar: the Kuwait University Anxiety Scale, the Perceived Stress Scale, and the Edinburgh ... -
Validation of Total Mercury in Marine Sediment and Biological Samples, Using Cold Vapour Atomic Absorption Spectrometry
( MDPI , 2018 , Article)A method for the measurement of total mercury (T-Hg) in environmental samples using cold vapour atomic absorption spectrometry (CV AAS) has been validated yielding a dynamic range (0.04–10.00 g/kg) and high certified ... -
Validation of vitamin D-specific food frequency questionnaire against food records for Qatari women
( MDPI , 2020 , Article)Measurement of vitamin D nutritional status through dietary assessment is cost effective. Food frequency questionnaire (FFQ) is usually validated against food records (FR). There is no vitamin D-specific FFQ for Qatar ... -
A validation of Wagner's Law: A case study of Sri Lanka
( Inderscience Publishers , 2017 , Article)This study provides evidence on the validity of Wagner's Law on the impact of government spending on economic growth in Sri Lanka. To test for stationarity, we use the Narayan and Popp's (2010) new Perron-type innovational ... -
Validity and reliability of the Arabic version of Activities of Daily Living (ADL)
( Nasser and Doumit , 2009 , Article)Background. The Activity of Daily Living (ADL) is an instrument that screens elderly respondents for physical functioning and assesses whether they are dependent or independent in their daily activities. This study ... -
Validity and reliability of the session-RPE method for quantifying training load in karate athletes
( Edizioni Minerva Medica , 2015 , Article)Aim: Aim of the study was to test the construct validity and reliability of the session rating of perceived exertion (sRPE) method by examining the relationship between RPE and physiological parameters (heart rate: HR and ... -
Validity and reproducibility of a food frequency questionnaire to assess macro and micro-nutrient intake among a convenience cohort of healthy adult qataris
( MDPI , 2021 , Article)This study aimed at developing a valid culture-sensitive quantitative food frequency questionnaire (FFQ) for Qatari adults. A convenient sample of healthy Qataris (n = 107) were recruited from family members of Qatar ... -
Validity of clinical disease activity index (CDAI) to evaluate the disease activity of rheumatoid arthritis patients in Sri Lanka: A prospective follow up study based on newly diagnosed patients
( Public Library of Science , 2022 , Article)Routine use of the Disease Activity Score-28 (DAS28) to assess the disease activity in rheumatoid arthritis (RA) is limited due to its dependency on laboratory investigations and the complex calculations involved. In ... -
Validity of the effective potential method to study PT-symmetric field theories
( Elsevier B.V. , 2019 , Article)We calculate the one loop effective potential for the class (-(iϕ)α) of PT-symmetric and non-Hermitian field theories in 0+1 space-time dimensions. To test the method, we showed that for the massless Hermitian ϕ4 theory, ... -
Valorization and optimization of agro-industrial orange waste for the production of enzyme by halophilic Streptomyces sp.
( Academic Press Inc. , 2021 , Article)This study underlines the biotechnical valorization of the accumulated and unusable remains of agro-industrial orange fruit peel waste to produce α-amylase under submerged conditions by Streptomyces sp. KP314280 (20r). The ... -
Valorization of biodiesel byproduct glycerol to glycerol carbonate using highly reusable apatite-like catalyst derived from waste Gastropoda Mollusca
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)Predominantly, calcium oxide from the calcined waste Gastropoda Mollusca (Achatina fulica sp.) was post-functionalized and stabilized using trisodium phosphate to obtain an apatite-like catalyst (snail shell apatite, SNS-AP) ... -
Valorization of palm tree (Phoenix dactylifera L.) leaves from harsh weather climate by silage using endogenous lactic acid bacteria, and application of MALDI-TOF MS for study of populations dynamics
( Elsevier , 2023 , Article)Preservation of green palm leaves by silage preserves them as green feed in addition to the added value of probiotics and prebiotics. In this work, the characterization of fresh palm tree leaves was performed. The isolation ... -
Valorization of salt post-modified poultry manure biochars for phosphorus recovery from aqueous solutions: investigations on adsorption properties and involved mechanism
( Springer , 2021 , Article)In this research work, raw poultry manure biochar (RPM-B) was post-modified by two metal salts and then evaluated for P recovery from aqueous solutions in batch mode. The modified biochar characterization showed that RPM-B ... -
Valproic acid induced pancreatitis in an Arab Male
( Wolters Kluwer Medknow Publications , 2019 , Article)Valproate, a commonly used antiepileptic, is known to cause pancreatitis, which may present days to years after initiation of therapy. A 20-year-old Arab male patient with electroencephalogram (EEG) confirmed epileptiform ... -
VALS: Vehicle-Aided location service in urban environment
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In Vehicular Ad-hoc Networks (VANETs), any vehicle uses a location service to get an up-To-date data of all vehicles' positions in its vicinity. Many location services rely on infrastructures to perform location update and ...
