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Saudi Scientific Diabetes Society Position Statement: Management of Diabetes Mellitus in the Pandemic of COVID-19

International Journal of Clinical Medicine 2020年第5期11卷 199-206页

作者： Abdulrahman Alshaikh Saud Alsifri Amani Alhozali Hala Mosli Tarif zawawi Seraj Mira Emad R. Issak Medicine Department King Abdulaziz University Jeddah KSA Endocrinology Department Alhada Armed Forces Hospital Taif KSA Independent Researcher Cairo Egypt

About 10% coronavirus (COVID-19) infected patients are with diabetes comorbidity. Also, diabetes promotes severe progression in COVID-19 patients. Diabetes comorbidity is associated with significant mortality in those people with COVID-19. In this position statement, the management of diabetes in cases of COVID-19, has been presented. The impact of diabetes on the morbidity and mortality of COVID-19, as well as both the target glucose level and the method of blood glucose control have been presented in details.

关键词： COVID-19 Diabetes Mellitus Glycemic Target Blood Glucose Control

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Development of Cu Nanoparticle Loaded Oil Palm Fibre Reinforced Nanocomposite

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Advances in Nanoparticles 2013年第4期2卷 358-365页

作者： Ridzuan Ramli Maksudur Rahman Khan Najmul Kabir Chowdhury Mohammad Dalour Hossen Beg Rohaya Mohamed Halim Astimar Abdul Aziz zawawi Ibrahim Nahrul Hayawin Zainal Engineering and Processing Division Malaysian Palm Oil Board (MPOB) Kajang Selangor Malaysia Faculty of Chemical and Natural Resources Engineering University of Malaysia Pahang (UMP) Kuantan Malaysia

Functionalized copper nanoparticles (FCuNPs) have been synthesized by chemical reduction method and polyvinyl alcohol (PVA) performed as a stabilizer in that medium. Analysis observed that the average size of the synthesized FCuNPs was 3.5 nm. The obtained FCuNPs were loaded in the oil palm empty fruit bunch (EFB) natural fibre. Before the loading of FCuNPs in EFB fibres, the surface of the fibres is tailored by the cationic agent CHPTAC since they have a natural tendency to exhibit negatively charged surface owing to the presence of large amount of hydroxyl groups. Thereafter, different types of composite were developed and their properties were studied. The composites were developed by using the untreated empty fruit bunch (UEFB) fibres and FCuNPs loaded EFB (NP-CAEFB) fibres with commercially available unsaturated polyester resin (UPER). The synthesized composites were characterized through FTIR, FESEM, XRD, DSC, tensile strength tests, etc. The obtained biodegradation results indicated that significant weight loss was not observed for neat PER and PER/FNP-CAEFB nanocomposite, whereas, the UEFB/VUPER composite showed ca. 21.4% weight loss at 90 days, which was considered rationally due to the preferential degradation of the fibre.

关键词： Biodegradation Nano-Composite Nanoparticle Natural Fibre Polyester Resin

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<i>In-Situ</i>Impregnation of Copper Nanoparticles on Palm Empty Fruit Bunch Powder

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Advances in Nanoparticles 2014年第3期3卷 65-71页

作者： Ridzuan Ramli Md. Maksudur Rahman Khan Rosli Mohd Yunus Huei Ruey Ong Rohaya Mohamed Halim Astimar Abdul Aziz zawawi Ibrahim Nahrul Hayawin Zainal Faculty of Chemical and Natural Resources Engineering Universiti Malaysia Pahang Kuantan Malaysia Malaysian Palm Oil Board (MPOB) No. 6 Persiaran Institusi Kajang Malaysia Malaysian Palm Oil Board (MPOB) No. 6 Persiaran Institusi Kajang Malaysia Faculty of Chemical and Natural Resources Engineering Universiti Malaysia Pahang Kuantan Malaysia

Copper nanoparticles were impregnated onto oil palm empty fruit bunch (EFB) powders via in-situ sol-gel method. The impregnation and interfacial interaction of copper nanoparticles with EFB were analysed by fourier transformed infrared spectroscopy (FTIR), X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive X-ray (EDX) and atomic force microscopy (AFM). The interaction of copper nanoparticles with the surface functional groups of EFB powders was identified by FTIR analysis. The peak shift of O-H and C-O functional groups indicated the interaction between EFB and copper nanoparticles. Besides that, XRD and EDX analysis confirmed the formation of copper nanoparticles on EFB powder. Due to the copper impregnation, the crystallinity of the EFB was increased as shown by XRD. The particles size of nanoparticles was analysed via TEM and AFM where the sizes were in the range of 60 - 100 nm. These findings strongly suggest that, copper nanoparticles impregnated EFB powders can be synthesized via in- situ sol gel method.

关键词： Copper Nanoparticles In-Situ Empty Fruit Bunch Sol-Gel

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Crowd Parameter Extraction from Video at the Main Gates of Masjid al-Haram

Crowd Parameter Extraction from Video at the Main Gates of M...

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2011 International Conference on Frontiers in Computer Education(ICFCE 2011)

作者： Hasan S.M.Al-Khaffaf Fazilah Haron Siamak Sarmady Abdullah zawawi Talib Ibtesam M.Abu-Sulyman School of Computer Sciences Universiti Sains Malaysia Department of Computer Science College of Computer Science and Engineering Taibah University Mathematical Science Department College of Applied Science Umm Al-Qura University

Gathering information on the large crowd of pilgrims attending Hajj is beneficial for management and safety of the eventCapturing information from videos can provide an effective method to gather different kind of dataHowever extracting information from such a large crowd is a challenging processComputer vision allows for capturing of such information without the need for specialized devices or manual marking（labeling）In this paper we will focus on extracting pedestrian information such as speed from a video of Gate 1（King Abdul Aziz） of Masjid al-HaramGetting such information is non-trivial for many reasons, one of which is high occlusionsA literature review of the methods used for detection and tracking of human motion is presentedA methodology for the pedestrian parameter extraction is also proposed and the preliminary results of the tests on the algorithms are presented.

关键词： Video Capturing High-density Crowd Parameter Extraction Tracking Masjid al-Haram

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