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Abuallut II, Alomaish AR, Arishy AM, Mashragi MA, Alfaifi KH, Alnamazi NA, Moafa A, Mahfouz MS, Moafa MA, Jafaari SA, Alagsam AA, Albalawi H, Jareebi MA. Erratum: A Cross-Sectional Analysis to Assess the Role of Atopy in Keratoconus Among Saudi Population [Corrigendum]. Int J Gen Med 2024; 17:611-612. [PMID: 38405618 PMCID: PMC10887862 DOI: 10.2147/ijgm.s464381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 02/16/2024] [Indexed: 02/27/2024] Open
Abstract
[This corrects the article DOI: 10.2147/IJGM.S421298.].
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Badi N, Alghamdi SA, El-Hageen HM, Albalawi H. Onsite enhancement of REEEC solar photovoltaic performance through PCM cooling technique. PLoS One 2023; 18:e0281391. [PMID: 36897855 PMCID: PMC10004609 DOI: 10.1371/journal.pone.0281391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 01/21/2023] [Indexed: 03/11/2023] Open
Abstract
The efficiency of solar panels decreases as the temperature increases and heat dissipation becomes a serious problem in hot environments such as the Arabian desert. This paper investigates the use of a phase change material (PCM-OM37P) to maintain panel temperatures close to ambient. The enhancement of the GCL-P6/60265W solar panel efficiency was demonstrated at the University of Tabuk Renewable Energy and Energy Efficiency Center (REEEC). As these solar panel arrays are remotely monitored, we were able to demonstrate the validity of our cooling solution. During peak times, a drop voltage of at least 0.6V has been realized using the PCM for cooling the PV panel. This corresponds to a cooling temperature of 5 to 6°C. This difference in operating voltages between the PCM-cooled and the reference PV panels translates into a power enhancement percentage (PEP) of about 3%. The PEP value was underestimated due to the PV string configuration where the operating electrical current is taken as the average value for both PV panels.
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Affiliation(s)
- Nacer Badi
- Renewable Energy & Energy Efficiency Center, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Nanotechnology Research Unit, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- * E-mail:
| | - Saleh A. Alghamdi
- Renewable Energy & Energy Efficiency Center, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Nanotechnology Research Unit, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
| | - Hazem M. El-Hageen
- Renewable Energy & Energy Efficiency Center, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Electrical Engineering Department, Faculty of Engineering, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Egyptian Atomic Energy Authority, Naser City, Cairo, Egypt
| | - Hani Albalawi
- Renewable Energy & Energy Efficiency Center, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Electrical Engineering Department, Faculty of Engineering, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
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El-Hageen HM, Albalawi H, Alatwi AM, Elrahman WRA, Faqeh STM. Agile Lossless Compression Algorithm for Big Data of Solar Energy Harvesting Wireless Sensor Network. Sensors and Materials 2022; 34:4095. [DOI: 10.18494/sam4106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Alatawi A, Alali N, Alamrani A, Hashem F, Alhemaidi S, Alreshidi S, Albalawi H. Amblyopia and Routine Eye Exam in Children: Parent's Perspective. Children (Basel) 2021; 8:935. [PMID: 34682200 PMCID: PMC8535128 DOI: 10.3390/children8100935] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/08/2021] [Accepted: 10/15/2021] [Indexed: 11/16/2022]
Abstract
Amblyopia is a reduced best-corrected visual acuity of one or both eyes that cannot be attributed to a structural abnormality; it is a functional reduction in the vision of an eye caused by disuse during a critical period of visual development. It is considered the leading cause of visual defects in children. With early diagnosis and treatment, children with amblyopia can significantly improve their vision. However, if it is neglected and not treated during childhood, unfortunately, it permanently decreases vision. Therefore, prevention, detection, and treatment largely depend on parents. This article explores parents' perspectives on amblyopia and routine examination of their children's eyes. A cross-sectional study used an electronic questionnaire consisting of five main sections to assess the level of awareness of amblyopia among parents. As a result, a total of 325 participants were included in our analysis. 209 (64.3%) were mothers, and 116 (35/7%) were fathers. The age groups were 35-50 years of age (61.5%), 20-34 years (23.4%), and older than 50 years (15%). Participants with a history of amblyopia numbered 23 (7.1%), and 39 had an amblyopic child (12%). A good awareness level of amblyopia among parents was found in only 10 (3%) participants, a fair awareness level in 202 (62%), and 113 (35%) participants were classified as having a poor awareness level of amblyopia. Only 13.8% of the parents took their children for yearly routine eye exams, while the majority (72%) took their children only if they had a complaint, and 14.2% took them for eye checkups only before school entry. In conclusion, parents' awareness of amblyopia in Tabuk City, KSA, was low. In addition, a limited proportion of parents reported consistently taking their children for routine eye exams. Therefore, raising awareness should be considered in public education regarding the disease.
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Affiliation(s)
- Alhanouf Alatawi
- Department of Ophthalmology, King Fahad Specialist Hospital, Tabuk 47717, Saudi Arabia;
| | - Naif Alali
- Ophthalmology Division, Department of Surgery, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (N.A.); (F.H.); (S.A.)
| | - Abrar Alamrani
- Department of Ophthalmology, King Khaled Hospital, Tabuk 47915, Saudi Arabia;
| | - Faris Hashem
- Ophthalmology Division, Department of Surgery, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (N.A.); (F.H.); (S.A.)
| | - Seham Alhemaidi
- Ophthalmology Division, Department of Surgery, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (N.A.); (F.H.); (S.A.)
| | - Shaker Alreshidi
- Department of Ophthalmology, Faculty of Medicine, Majmaah University, Majmaah 11952, Saudi Arabia;
| | - Hani Albalawi
- Ophthalmology Division, Department of Surgery, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (N.A.); (F.H.); (S.A.)
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Mirghani H, Alali N, Albalawi H, ALselaimy R. Diet Sugar-Free Carbonated Soda Beverage, Non-Caloric Flavors Consumption, and Diabetic Retinopathy: Any Linkage. Diabetes Metab Syndr Obes 2021; 14:2309-2315. [PMID: 34079309 PMCID: PMC8163615 DOI: 10.2147/dmso.s309029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/24/2021] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Assessing diabetic retinopathy (DR) risk factors and daily nutrition habits are vital for prevention. This study aims to evaluate the relationship between diet soda cans, non-nutritive sweetener consumption, and diabetic retinopathy. PATIENTS AND METHODS A cross-sectional study was conducted among 200 patients attending a diabetes center in Tabuk City, Saudi Arabia, from September 2019 to July 2020. A structured questionnaire was used to collect patients' demographic factors, and DR risk factors including the use of diet soda, non-nutritive sweeteners, and exercise habits. Dilated fundus eye examination was done to detect any diabetic retinopathy. A blood sample was taken for measuring glycated hemoglobin to assess the degree of glycemic control. RESULTS The participant's age was 50.74 ±13.51 years, and the duration since the diagnosis of diabetes was 9.99 ±6.97 years, body mass index was 27.28 ±4.68, and HbA1c %, 8.50 ±1.61), the patients used to consume 1.31 ±1.57 diet soda cans/week, and 1.06±1.39 artificial sweeteners/sachet/day. DR was found in 33%. Diet sugar-free carbonated soda beverage was associated with poor glycemic control and retinopathy, while non-caloric flavor consumption was associated with obesity (P-value<0.05). No association was evident regarding other factors (P-value>0.05). CONCLUSION Diet sugar-free carbonated soda beverage was associated with higher HbA1c and retinopathy, while non-caloric flavor consumption was associated with obesity. No association was evident regarding other factors. Further larger multicenter studies are needed.
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Affiliation(s)
- Hyder Mirghani
- Internal Medicine and Endocrine, Medical Department, Faculty of Medicine, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Correspondence: Hyder Mirghani Faculty of Medicine, University of Tabuk, PO Box 3378, Tabuk, 51941, Saudi ArabiaTel +966569344569 Email
| | - Naif Alali
- Internal Medicine and Endocrine, Medical Department, Faculty of Medicine, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
- Ophthalmology Department, Faculty of Medicine, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
| | - Hani Albalawi
- Ophthalmology Department, Faculty of Medicine, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
| | - Ruba ALselaimy
- Ophthalmology Department, King Saud University, Riyadh, Saudi Arabia
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Rooney S, Albalawi H, Paul L. Exercise in the management of multiple sclerosis relapses: current evidence and future perspectives. Neurodegener Dis Manag 2020; 10:103-115. [PMID: 32352357 DOI: 10.2217/nmt-2019-0029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Relapses are a common feature of multiple sclerosis; however, recovery from relapses is often incomplete, with up to half of people experiencing residual disabilities postrelapse. Therefore, treatments are required to promote recovery of function and reduce the extent of residual disabilities postrelapse. Accordingly, this Perspective article explores the role of exercise in relapse management. Current evidence from two studies suggests that exercise in combination with steroid therapy improves disability and quality of life postrelapse, and may be more beneficial in promoting relapse recovery than steroid therapy alone. However, given the small number of studies and methodological limitations, further studies are required to understand the effects of exercise in relapse management and the mechanism through which exercise influences relapse recovery.
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Affiliation(s)
- Scott Rooney
- School of Health & Life Sciences, Glasgow Caledonian University, Glasgow, United Kingdom, G4 0BA
| | - Hani Albalawi
- College of Applied Medical Sciences, University of Tabuk, Tabuk, Saudi Arabia, 47713
| | - Lorna Paul
- School of Health & Life Sciences, Glasgow Caledonian University, Glasgow, United Kingdom, G4 0BA
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Abstract
The impact of exercise interventions on south Asians with type 2 diabetes (T2DM), who have a higher T2DM incidence rate compared to other ethnic groups, is inconclusive. This study aimed to systematically review the effect of exercise interventions in south Asians with T2DM. Five electronic databases were searched up to April 2017 for controlled trials investigating the impact of exercise interventions on south Asian adults with T2DM. The PEDro scale was used to assess the quality of the included studies. Eighteen trials examining the effect of aerobic, resistance, balance or combined exercise programs met the eligibility criteria. All types of exercise were associated with improvements in glycemic control, blood pressure, waist circumference, blood lipids, muscle strength, functional mobility, quality of life or neuropathy progression. The majority of included studies were of poor methodological quality. Few studies compared different types or dose of exercise. In conclusion, this review supports the benefits of exercise for south Asians with T2DM, although it was not possible to identify the most effective exercise prescription. Further studies of good methodological quality are required to determine the most effective dosage and type of exercise to manage T2DM in this population.
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Affiliation(s)
- Hani Albalawi
- a School of Medicine, Dentistry and Nursing , University of Glasgow , Glasgow , UK.,b College of Applied Medical Sciences , University of Tabuk , Tabuk , KSA
| | - Elaine Coulter
- c School of Health Sciences , Queen Margaret University , Edinburgh , UK
| | - Nazim Ghouri
- d Institute of Cardiovascular and Medical Sciences , University of Glasgow , Glasgow , UK
| | - Lorna Paul
- e School of Health and Life Sciences , Glasgow Caledonian University , Glasgow , UK
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