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On Separation Axioms in Fuzzifying Bitopological Spaces
Ahmed Abd El-Monsef Allam,Ahmed Mohammed Zahran,Ahmed Khalf Mousa,Hana Mohsen Binshahnah 한국지능시스템학회 2020 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.20 No.1
In present paper, we introduce and study the concepts of T₀<SUP>(i;j)</SUP>-, T₁<SUP>(i;j)</SUP> -, T₂<SUP>(i;j)</SUP>(pairwise Hausdorff)-, TR<SUP>(i;j)</SUP> (pairwise regularity)-, TN<SUP>(i;j)</SUP> (pairwise normality)-, R₀<SUP>(i;j)</SUP>-, R₁<SUP>(i;j)</SUP>-, T₃<SUP>(i;j)</SUP> - and T₄<SUP>(i;j)</SUP> - separation axioms in fuzzifying bitopological spaces and study some relations between them. Also we investigate the image of these kinds of fuzzifying bitopological spaces under some types of fuzzy mappings.
Mohammed Mousa H. Bakri,Faisal Hussain Alabdali,Rashed Hussain Mahzari,Thamer Jabril Rajhi,Norah Mohammed Gohal,Rehab Abdu Sufyani,Asma Ali Hezam,Ahtesham Ahmed Qurishi,Hamed Mousa Bakri,Fareedi Mukra 대한구강악안면외과학회 2024 대한구강악안면외과학회지 Vol.50 No.1
Objectives: Surgical intervention for removal of an impacted third molar can lead to significant pain and swelling. Corticosteroids show promise for mitigating postoperative sequelae across various surgical contexts. The use of corticosteroids following minor oral surgery, though controversial, has already been proven effective. However, little research has explored peroral prescription of corticosteroids despite its convenience for outpatients and for non-surgeons like implantologists and periodontists and others who don’t have access to needle injections. The aim of this study was to address a void in the literature by comparing the effects of two styles of preoral administration of prednisolone after surgical removal of the mandibular third molar and to determine which style minimizes postoperative sequelae. Materials and Methods: A randomized, split-mouth clinical study was conducted to investigate the efficacy of two different styles of preoral prednisolone in mitigating postoperative sequelae following surgical extraction of impacted mandibular third molars. Fifteen participants were enrolled in the study. Random selection was used to determine the prescription style for the right and left mandibular arch. Group A included those who received a single dose of prednisolone 25 mg, while group B received prednisolone 5 mg postoperatively for a period of three days (5 mg three times/day on the first postoperative day, 5 mg twice/day on the second postoperative day; 5 mg once/day on the third postoperative day). Results: There was a significant difference in the distance between the corner of the mouth and tragus, which decreased with the time interval with respect to group B when compared to group A. Conclusion: The present study showed that a three-day tapered dose of prednisolone postoperatively was more effective in reducing post-extraction sequelae than a single-dose regimen.
Abdelhameed Ahmed ElBellihi,Wafaa Abdallah Bayoumy,Emad Mohamed Masoud,Mahmoud Ahmed Mousa 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.9
Nano ZnO with an average size of 8 nm was prepared by thermal decomposition of zinc oxalate at 450 °C. A series of based composite polymer electrolyte PEO-LiClO4 and nano ZnO as a filler have been synthesized using solution cast technique, with varying the filler ratio systematically. XRD, DSC and FTIR studies have been conducted to investigate the structure and interaction of different groups in the composite polymer electrolyte. Effect of nano ZnO ceramic filler concentration on the structure of composites and their electrical properties (DC-conductivity, AC-conductivity, dielectric constant, dielectric loss and impedance) at different frequencies and temperatures was studied. Melting temperature (Tm) of PEO decreased with the addition of both LiClO4 salt and nano ZnO filler due to increasing the amorphous state of polymer. All composite samples showed an ionic conductivity. The maximum room temperature ionic conductivity is found for (ZnO)0.5(PEO)12(LiClO4) composite sample. All the results are correlated and discussed.
ElBellihi, Abdelhameed Ahmed,Bayoumy, Wafaa Abdallah,Masoud, Emad Mohamed,Mousa, Mahmoud Ahmed Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.9
Nano ZnO with an average size of 8 nm was prepared by thermal decomposition of zinc oxalate at $450^{\circ}C$. A series of based composite polymer electrolyte PEO-$LiClO_4$ and nano ZnO as a filler have been synthesized using solution cast technique, with varying the filler ratio systematically. XRD, DSC and FTIR studies have been conducted to investigate the structure and interaction of different groups in the composite polymer electrolyte. Effect of nano ZnO ceramic filler concentration on the structure of composites and their electrical properties (DC-conductivity, AC-conductivity, dielectric constant, dielectric loss and impedance) at different frequencies and temperatures was studied. Melting temperature ($T_m$) of PEO decreased with the addition of both $LiClO_4$ salt and nano ZnO filler due to increasing the amorphous state of polymer. All composite samples showed an ionic conductivity. The maximum room temperature ionic conductivity is found for $(ZnO)_{0.5}(PEO)_{12}(LiClO_4)$ composite sample. All the results are correlated and discussed.
Ahmed Abdel-Razik,Nasser Mousa,Dina Elhammady,Rania Elhelaly,Rasha Elzehery,Sherif Elbaz,Mohamed Eissa,Niveen El-Wakeel,Waleed Eldars 거트앤리버 소화기연관학회협의회 2016 Gut and Liver Vol.10 No.4
Background/Aims: The diagnosis of spontaneous bacterial peritonitis (SBP) is based on a polymorphonuclear leukocytes (PMNs) exceeding 250/μL in ascitic fluid. The aim of the study was to evaluate serum procalcitonin and ascitic fluid calprotectin as accurate diagnostic markers for detecting SBP. Methods: Seventy-nine patients with cirrhotic ascites were included. They were divided into a SBP group, including 52 patients, and a non-SBP group of 27 patients. Serum procalcitonin, ascitic calprotectin, and serum and ascitic levels of tumor necrosis factor α (TNF-α) and interleukin 6 (IL6) were measured using an enzyme-linked immunosorbent assay. Results: Serum procalcitonin and ascitic calprotectin were significantly higher in SBP patients than in non-SBP patients. Significant increases in both serum and ascitic levels of TNF-α and IL-6 were observed in SBP patients versus nonSBP patients. At a cutoff value of 0.94 ng/mL, serum procalcitonin had 94.3% sensitivity and 91.8% specificity for detecting SBP. In addition, at a cutoff value of 445 ng/mL, ascitic calprotectin had 95.4% sensitivity and 85.2% specificity for detecting SBP. Both were positively correlated with ascitic fluid proteins, PMN count, TNF-α, and IL-6. Conclusions: According to our findings, determination of serum procalcitonin levels and ascitic calprotectin appears to provide satisfactory diagnostic markers for the diagnosis of SBP.
Voluntary testing for COVID-19: perceptions and utilization among the inhabitants of Saudi Arabia
Ehab A. Abo-Ali,Ahmed Mousa,Rania Hussien,Shahad Mousa,Shayma Al-Rubaki,Mennatulla Omar,Badr Al-Haffashi,Abdullah Almilaibary 질병관리본부 2022 Osong Public Health and Research Persptectives Vol.13 No.3
Objectives: Voluntary testing (VT) plays a crucial role in the prevention and control of infectious diseases. The present study investigated the perceptions and utilization of VT services for coronavirus disease 2019 (COVID-19) among the inhabitants of Saudi Arabia.Methods: In total, 3,510 adult participants from all provinces of Saudi Arabia were recruited via a national online survey.Results: Of the 3,510 participants, 88.9% were aware of the testing services available to them and of those, more than half (59.5%) had used the VT services and 96.1% were satisfied with the services. Contact with a positive COVID-19 case was the top reason for accessing VT, while a lack of awareness about the availability of VT services was the top perceived limiting factor. A history of chronic health conditions, anxiety and/or depression, and previous symptoms suggestive of COVID-19 were found to be predictors of the utilization of VT services (odds ratio [OR] 1.55, 95% confidence interval [CI] 1.22−1.96; OR 1.48, 95% CI 1.16−1.88; and OR 3.31, 95% CI 2.77−3.95), respectively.Conclusion: The awareness of voluntary COVID-19 testing services was satisfactory among the Saudi Arabian population, but can be improved. Sociodemographic and health history predictors of the utilization of VT services were identified.
Hazem Rasheed Gaber,Ahmed Mousa Elsamadicy,Len Tiu Wright 한국마케팅과학회 2019 마케팅과학연구 Vol.29 No.3
This paper identifies the reasons that make consumers actively engage on Facebook brand pages. By adopting the Uses and Gratification Theory, this article presents a number of uses for these online brand communities. A qualitative study was conducted to collect data from the Facebook page of a leading fast-food brand in Egypt. A content analysis for the comments that were posted by consumers on the brand page over the period of three months was conducted. The findings showed that consumers actively contribute to the content of the brand page for eight reasons which are: search for information, complaining, socializing, obtaining incentives, entertainment seeking, expression of emotions, brand advocacy and enhancing social image. Prior research has focused on consumer participation in offline brand communities. Given the rapid adoption of social media based brand communities in marketing, this article expands the research focus to the social media domains, which have largely replaced traditional marketing methods. The article provides some useful guidelines for companies to follow when adopting marketing on Facebook brand pages. By understanding why consumers use these pages, companies can execute more effective social media marketing strategies that allow them to fully grasp the potentials of these new media.
Rasha M. Hussein,Ahmed M. Youssef,Mousa K. Magharbeh,Saed M. Al-Dalaen,Nariman A. Al-Jawabri,Taymaa N. Al-Nawaiseh,Abdullah Al-Jwanieh,Fakhir S. Al-Ani 한국식품영양과학회 2022 Journal of medicinal food Vol.25 No.8
Neuroinflammation is an adaptive immune response to the central nervous system (CNS) injury induced by infection or toxins. MicroRNAs (miRs) showed critical roles in neuroinflammation as either proinflammatory or anti-inflammatory molecules. Interestingly, Portulaca oleracea (purslane) is an edible plant capable of ameliorating several diseases, including headache, burns, and diabetes; however, its effect on the neuroinflammation-associated miRs was not previously investigated. This study aimed to investigate the effect of aqueous purslane extract on the neuroinflammation induced by lipopolysaccharide (LPS) in mice and to identify its effect on animal cognition, oxidative stress, and expressions of miR-146a and miR-let 7. Adult mice were divided into the following groups: Normal group, LPS group, and Purslane+LPS group. Novel target recognition test, brain histopathology, and measurement of oxidative stress and inflammatory markers were performed. The results showed that LPS group exhibited significant decline in the cognitive memory, brain histopathological injury and a decrease in the number of intact neurons compared to the normal group. Furthermore, the LPS group showed a significant increase in malondialdehyde concentration, whereas superoxide dismutase and catalase activities were decreased. The LPS group also showed an increase in the inflammatory markers tumor necrosis factor-α and nuclear factor kappa B and downregulation of miR-146a and miR-let 7 expressions in the brain cells compared to the normal group, P value <.05. Interestingly, all these changes were reversed by administration of the aqueous purslane extract. In conclusion, the aqueous purslane extract protected from LPS-induced neuroinflammation and memory decline in mice through antioxidant and anti-inflammatory effect where upregulation of miR-146a and miR-1et 7 expressions was involved.
ON ASYMPTOTIC BEHAVIOUR OF THE DIFFERENCE EQUATION $X_{N+l}$ = $\alpha$ =+$\frac{X_{n-1^P}}{X_n^P}$
El-Owaidy, H.M.,Ahmed, A.M.,Mousa, M.S. 한국전산응용수학회 2003 Journal of applied mathematics & informatics Vol.12 No.1
In this Paper, we investigate local stability, oscillation and bounde-ness character of positive solutions of the difference equation $X_{N+l}$ = $\alpha$ + ( $X_{N-1}$$^{P/)}$( $X_{N}$$^{P}$), n = 0, 1, … under specified conditions.s.tions.s.