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Dubai Primary Health Care Centers Conformation to WHO Age-Friendly Primary Healthcare Recommendations

Advances in Aging Research 2017年第6期6卷 83-92页

作者： Tamer mohamed Farid Abdellatif Amal Mohamad Saleh Abdulrahim Al Jaziri Manal Mohammad Omran Taryam Nahed AbdulKhaleq Monsef Amel Ibrahim Buharoun salah ahmed mohamed elbadawi Moulham Saleh Ashtar Elderly Care Unit Health Affairs Department Primary Health Care Services Sector Dubai Health Authority Dubai United Arab Emirates Primary Health Care Services Sector Dubai Health Authority Dubai United Arab Emirates Health Affairs Department Primary Health Care Services Sector Dubai Health Authority Dubai United Arab Emirates Health Centres Department Primary Health Care Services Sector Dubai Health Authority Dubai United Arab Emirates

The WHO project for conforming PHC to requirements of all age groups has resulted in publishing a toolkit for age-friendly PHC in 2008. The toolkit included checklists for physical environment and signage properties. This study matched the current physical environment properties of DHA’s PHC Health Centers against WHO’s recommendations. This is a cross sectional descriptive study that included visits to all 12 Primary Health Care Centers in Dubai city during August-September 2016 with the objective to assess the degree of fulfillment of current properties of Health Centers building to the recommendations of WHO as listed in “Age-friendly Primary Health Care Centres Toolkit” [1]. The study found that 81.86% of physical environment properties are matching the recommendation of WHO, while signage matching was 44.6%. The study concluded that most PHC properties have a physical design that met WHO’s recommendations. The two major deviations were accessibility by public transportations and presence of grab bars. Factors that had a significant impact on design were compliance with multiple international and local standards, the availability of private cars, and the availability of wheel chairs. Signage in DHA’s health centers followed a central plan that differed from WHO’s recommendations.

关键词： World Health Organization (WHO) Primary Health Care (PHC) Elderly Care Unit Dubai Health Authority (DHA)

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Standardization of meibomian gland dysfunction in an Egyptian population sample using a non-contact meibography technique

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International Journal of Ophthalmology(English edition) 2024年第1期17卷 61-65页

作者： ahmed mohamed Karara Zeinab El-Sanabary Mostafa Ali El-Helw Tamer ahmed Macky Mohamad Amr salah Eddin Abdelhakim Department of Ophthalmology Kasr Al-Ainy HospitalCairo UniversityCairo 11431Egypt

AIM:To develop normative data for meibomian gland dysfunction(MGD)parameters,using non-contact meibography technique of Sirius Costruzione Strumenti Oftalmici(CSO)machine,in an Egyptian population ***:Observational,cross-sectional,analytic study,in which 104 Egyptian volunteers were *** upper lids were examined,using“Sirius CSO”*** eyelid was given a degree of meibomian gland loss(MGL),which was calculated by the software of the ***:Mean percentage MGL in right upper lid was of 30.9%±12.6%,and that of left upper lid was 32.6%±11.8%.Thirty-four volunteers(32.7%)had first-degree MGL in their right upper lid,and 67.3%had second-degree *** volunteer(1%)had zero-degree MGL in left upper lid,28(26.9%)had first-degree loss,and 75(72.1%)had second-degree *** of MGL in right upper eyelid was not related to age,but degree of MGL in left upper eyelid increased with *** was statistically significant difference between both genders for degree of MGL in right eye(P=0.036)and in left eye(P=0.027).CONCLUSION:Noncontact meibography is a useful non-invasive tool for diagnosing *** is diagnosed in 100%of apparently normal individuals;26.9%-32.7%of which have first-degree MGL,and 67.3%-72.1%have second-degree MGL.

关键词： Egyptian population meibomian gland dysfunction non-contact meibography standardization upper lid

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Ultralong hydroxyapatite-based forward osmosis membrane for freshwater generation

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Frontiers of Chemical Science and Engineering 2024年第9期18卷 37-49页

作者： mohamed Gamal Gomaa Hamdy Maamoun Abdel-Ghafar Francesco Galiano Francesca Russo Alberto Figoli El-Sayed Ali Abdel-Aal Abdel-Hakim Taha Kandil Bahaa ahmed salah Central Metallurgical Research and Development Institute(CMRDI) 11421 CairoEgypt Chemistry Department Faculty of ScienceHelwan University11795 CairoEgypt Institute on Membrane Technology(CNR-ITM) 87036 RendeItaly

Increasing global water shortages are accelerating the pace of membrane manufacturing,which generates many environmentally harmful *** challenges need a radical rethink of developing innovative membranes that can address freshwater production without generating environmentally harmful *** work utilized the synthesized ultra-long hydroxyapatite(UHA)by the solvothermal method using the green solvent oleic acid in preparing UHA-based forward osmosis *** membranes were developed using different loading ratios of graphene oxide(GO)by vacuum-assisted filtration *** prepared GO/UHA membranes were identified using X-ray diffraction,scanning electron microscope,Fourier-transform infrared spectroscopy,and X-ray photoelectron *** contact angle and pore size distribution were determined for the obtained GO/UHA *** obtained hierarchical porous structure in the prepared membranes with interconnected channels results in a stable water flux with reverse salt *** best water flux rate of 42±2 L·m^(–2)·h^(–1)was achieved using the 50 mg GO/UHA membrane,which is 3.3 times higher than the pristine membrane,and a reverse salt flux of 67 g·m^(-2)·h^(–1).The obtained results showed a promising capability of a new generation of sustainable inorganic-based membranes that can be utilized in freshwater generation by energy-efficient techniques such as forward osmosis.

关键词： forward osmosis ultra-long hydroxyapatite graphene oxide inorganic-based membrane

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Delayed Grafting as a Valid Technique in Burn Management: Experience from a Burn Unit in Oman

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Modern Plastic Surgery 2024年第1期14卷 9-14页

作者： Taif Alsafy Joe Jacob Anish Thadathil Elias ahmed salah El Din Salim Mohammed Ghawas Majid Tariq Saud Albusaidi ahmed Al Jabri Al Anood Al Hadhrami Mutazz Obeid Al Khaldi Moath Abdelhamid Shummo Karim mohamed Haridi Aml Eid Saleh Said Al-Busaidi Department of Plastic and Reconstructive Surgery Sultan Qaboos Hospital Salalah Oman ENT Department Al Nahdha Hospital Muscat Oman Department of Plastic Reconstructive and Craniofacial Surgery Khoula Hospital Muscat Oman

Background: Early excision and grafting has been the preferred method of managing major burns around the world since 1970. Considering the advances in health care and the development of new antibiotics over the past 50 years, delayed grafting as a technique for the management of burns over 15%-20% of total body surface area (TBSA) could have comparable results to that of early excision. This study aims to highlight the outcomes of practicing delayed grafting in burn patients. Methods: A case series analysis was performed of 51 patients who were admitted to the burns unit in Sultan Qaboos Hospital Salalah with over 20% TBSA between January 2014 and December 2019. The patients received prophylactic antibiotics and silver sulphadiazine dressing until the burn eschar had completely separated, followed by grafting. Results: Two patients were lost during the entire duration of the study. The mortality rate was comparable to that of early excision, while the rate of hypertrophic scarring was lower than the range reported by other studies. Conclusion: In the management of patients with over 20% TBSA, delayed grafting after complete separation of eschar is still a valid technique.

关键词： Burns Burn Units Burn Management Delayed Grafting Major Burns Treatment Efficacy

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Preparation and Reactions of 2-Methyl-7-（3-methyl-5-oxo-1- phenyl-2-pyrazolin-4-yl）-5-arylthiazolo[3,2-a]- pyrimido[4,5-d]oxazin-4（5H）-one

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Chinese Journal of Chemistry 2011年第7期29卷 1473-1482页

作者： Youssef, mohamed salah K. Abbady, mohamed S. ahmed, Ragaa A. Omar, ahmed A. Chemistry Department Faculty of Science Assiut University Assiut 71516 Egypt

Ethyl 7-amino-3-（3-methyl-5-oxo- 1-phenyl-2-pyrazolin-4-yl）-5-aryl-5H-thiazolo[3,2-a]pyrimidine-6-carboxy- late was hydrolyzed with an ethanolic sodium hydroxide and the sodium salt thus formed underwent cyclization with acetic anhydride to afford 2-methyl-7-（3-methyl-5-oxo-l-phenyl-2-pyrazolin-4-yl）-5-arylthiazolo[3,2-a]- pyrimido[4,5-d]oxazin-4（SH）-one. This compound was transformed to related heterocyclic systems via its reaction with various reagents. The biological activity of the prepared compounds was tested against Gram positive and Gram negative bacteria as well as yeast-like and filamentous fungi. They revealed in some cases excellent biocidal properties.

关键词： thiazolopyrimidooxazinone thiazolopyrimidopyrimidines antimicrobial activity

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Experimental Investigation of the Small-scale Fixed Multi-chamber OWC Device

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Chinese Journal of Mechanical Engineering 2021年第5期34卷 408-421页

作者： Mohammad Shalby ahmed Elhanafi Paul Walker David G.Dorrell Ahmad salah mohamed R.Gomaa mohamed Behiri Mechanical Engineering Department Faculty of EngineeringAl-Hussein Bin Talal UniversityMa’an 71111Jordan National Centre for Maritime Engineering and Hydrodynamics Australian Maritime CollegeUniversity of TasmaniaLauncestonTAS 7250Australia School of Mechanical and Mechatronic Systems University of Technology SydneySydneyNSW 2007Australia School of Electrical and Information Engineering University of the WitwatersrandDurban 2000South Africa Electrical Engineering Department Faculty of EngineeringAl Hussein Bin Talal UniversityMa’an 71111Jordan Mechanical Engineering Department Benha Faculty of EngineeringBenha UniversityBenha 13518Egypt 不详

Sea wave energy generators or converters(WECs)have the potential to become a viable technology for clean,renewable energy *** the WEC technologies,the oscillating water columns(OWCs)are the most common WEC devices *** have been studied and developed over many ***-chamber oscillating water columns(MC-OWC)have the potential to have a higher energy conversion when extracting energy in mixed sea states than single-chamber *** the work reported in this paper,physical experiments are carried under regular wave conditions to test the wave power extraction of a fixed MC-OWC small-scale *** Power Take-Off(PTO)of the device is simulated using orifice *** flow characteristics through these orifices are pre-calibrated such that the extracted power can be obtained only using the pressure *** condition effects on the damping of the PTO of the device power extraction are *** test results illustrate that the PTO system damping is critical and affects device performance.

关键词： cean wave energy Energy conversion Oscillating water column Multi-chamber OWC

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Dolomite apatite separation by amphoteric collector in presence of bacteria

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Journal of Central South University 2013年第6期20卷 1645-1652页

作者： Elmahdy ahmed El-Mofty salah Abdel-Khalek mohamed Abdel-Khalek Nagui El-MidanyAyman Central Metallurgical Research and Development Institute Mining Petroleum and Metallurgical Engineering DepartmentCairo University

Bioflotation represents one of the growing trends to enhance the selectivity of conventional flotation processes. It utilizes the micro-organisms to replace or to interact with the chemical reagents to increase the gap between surface properties of similar minerals and to enhance the separation selectivity. In this work, dolomite-phosphate separation was investigated using amphoteric collector （dodecyl-N-carboxyethyl-N-hyroxyethyl-imidazoline） in presence of bacteria. Two types of bacteria, Corynebacterium- diphtheriae-intermedius （CDI）, and Pseudomonas aeruginosa （PA）, were used. The collector-bacteria interaction was characterized by Fourier transform infra-red （FTIR）, frothing height and Zeta potential. The results show that the collector-bacteria interaction improves the flotation selectivity. Although, the PA positively affects the separation results, the CDI cannot lower the MgO to less than 1%. A phosphate content of 0.7% MgO and 31.77% P205 with a recovery of 68% at pH 11, 3.0 kg/t amphoteric collector, 4× 10^7 cells of PA is obtained.

关键词： dolomite phosphate amphoteric collector bacteria bio-flotation carbonate minerals

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Surfactant-Assisted Poly(lactic acid)/Cellulose Nanocrystal Bionanocomposite for Potential Application in Paper Coating

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Journal of Renewable Materials 2018年第4期6卷 394-401页

作者： Ragab E.Abou-Zeid mohamed A.Diab salah A.A.mohamed ahmed Salama Hind Abdullah Aljohani Kamel Rizq Shoueir Cellulose and Paper Department National Research Centre33 El-Bohouth St.DokkiP.O.12622GizaEgypt Packing and Packaging Materials Department National Research Centre33 El-Bohouth St.DokkiP.O.12622GizaEgypt Tabuk University Chemistry DepartmentCollege of Al WajhAl WajhSaudi Arabia Institute of Nanoscience&Nanotechnology Chemistry departmentKafr Elsheikh University33516 Kafr ElsheikhEgypt

The current article addresses a new strategy for the preparation of polylactic acid/cellulose nanocrystal(PLA/CNCs)nanobiocomposite films with improved structural morphology,mechanical and barrier properties for food packaging *** addition of hexadecyltrimethylammonium bromide(CTAB)and sodium lauryl sulfate(SLS)as cationic and anionic surfactants respectively,was found to play a crucial role in preventing re-aggregation of the CNCs during drying and improving the dispersion of CNCs in the *** coated paper was characterized using mechanical tests,water vapor permeability(WVP),X-ray diffraction(XRD),scanning electron microscopy(SEM)and air *** results showed that the paper coated with PLA containing 7.5%CNCs and 0.15%CTAB based on weight of PLA,gives the highest measured paper properties,where an increase in tensile strength(+133%),Young’s modulus(+309%),tear index(+183%),burst(+60.8)and a decrease in air permeability(−92%)was obtained.

关键词： Cellulose nanocrystal surfactant paper coating mechanical properties air permeability water vapor permeability

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A New Generative Mathematical Model for Coverless Steganography System Based on Image Generation

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Computers, Materials & Continua 2023年第3期74卷 5087-5103页

作者： Al-Hussien Seddik Mohammed salah Gamal Behery ahmed El-harby ahmed Ismail Ebada Sokea Teng Yunyoung Nam mohamed Abouhawwash Department of Computer Science Faculty of ScienceMinia UniversityMiniaEgypt Department of Computer Science Faculty of Computers and Artificial IntelligenceDamietta UniversityNew DamiettaEgypt Department of ICT Convergence Soonchunhyang UniversityAsan31538Korea Department of Mathematics Faculty of ScienceMansoura UniversityMansoura35516Egypt Department of Computational Mathematics Scienceand Engineering(CMSE)Michigan State UniversityEast Lansing48824MIUSA

The ability of any steganography system to correctly retrieve the secret message is the primary criterion for measuring its ***,researchers have tried to generate a new natural image driven from only the secret message bits rather than using a cover to embed the secret message within it;this is called the stego *** paper proposes a new secured coverless steganography system using a generative mathematical model based on semi Quick Response(QR)code and maze game image *** system consists of two *** first component contains two processes,encryption process,and hiding *** encryption process encrypts secret message bits in the form of a semi-QR code image whereas the hiding process conceals the pregenerated semi-QR code in the generated maze game *** the other hand,the second component contains two processes,extraction and decryption,which are responsible for extracting the semi-QR code from the maze game image and then retrieving the original secret message from the extracted semi-QR code image,*** results were obtained using the bit error rate(BER)*** results confirmed that the system achieved high hiding capacity,good performance,and a high level of robustness against attackers compared with other coverless steganography methods.

关键词： Coverless steganography data hiding information security QR code maze game

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Problem of living liver donation in the absence of deceased liver transplantation program:Mansoura experience

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World Journal of Gastroenterology 2014年第37期20卷 13607-13614页

作者： mohamed Abdel Wahab Hosam Hamed Tarek salah Waleed Elsarraf mohamed Elshobary ahmed mohamed Sultan ahmed Shehta Omar Fathy Helmy Ezzat Amr Yassen mohamed Elmorshedi mohamed Elsaadany Usama Shiha Gatrointestinal Surgery Liver Transplantation Unit Gastrointestinal Surgical Center Mansoura University Daqahlia 35516 Egypt Anesthesia Intensive Care Department Gastrointestinal Surgical Center Mansoura Faculty of Medicine Mansoura University Daqahlia 35516 Egypt Internal Medicine Department Mansoura Faculty of Medicine Mansoura University Daqahlia 35516 Egypt Radiology Department Gastrointestinal Surgical Center Mansoura University Daqahlia 35516 Egypt

We report our experience with potential donors for living donor liver transplantation(LDLT), which is the first report from an area where there is no legalized deceased donation program. This is a single center retrospective analysis of potential living donors(n = 1004) between May 2004 and December 2012. This report focuses on the analysis of causes, duration, cost, and various implications of donor exclusion(n = 792).Most of the transplant candidates(82.3%) had an experience with more than one excluded donor(median = 3). Some recipients travelled abroad for a deceased donor transplant(n = 12) and some died before finding a suitable donor(n = 14). The evaluation of an excluded donor is a time-consuming process(median = 3 d, range 1 d to 47 d). It is also a costly process with a median cost of approximately 70 USD(range 35 USD to 885 USD). From these results, living donor exclusion has negative implications on the patients and transplant program with ethical dilemmas and an economic impact. Many strategies are adopted by other centers to expand the donor pool; however, they are not all applicable in our locality. We conclude that an active legalized deceased donor transplantation program is necessary to overcome the shortage of available liver grafts in Egypt.

关键词： Living donor Liver transplantation Excluded donors Deceased donor Liver disease

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