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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.
Top management team and IPO firms’ acquisition activity
Mousa, Fariss T.,Kim, Sang Kyun,Rutherford, Matthew A. Emerald Group Publishing Limited 2016 MANAGEMENT DECISION Vol.54 No.3
<P><B>Purpose</B></P> <P> – The purpose of this paper is to explore the role of the top management team (TMT) in determining whether IPO firms in high-tech industry will engage in acquisitions during the post-IPO period. </P> <P><B>Design/methodology/approach</B></P> <P> – The authors collect IPO and TMT data from firm prospectuses, and acquisition and financial data from Securities Data Company Platinum and Compustat, respectively. Poisson regression analysis is applied to test the effect of TMT characteristics on acquisition activity. </P> <P><B>Findings</B></P> <P> – Using 135 IPO firms, the authors find evidence that TMT composition directly influences acquisition activity of IPO firms during the post-IPO period. Specifically, the authors find that TMT experience serving as members other firms’ boards and TMT experience in senior level management positions are both positively associated with acquisition activity. TMTs with prior IPO experience and TMTs with longer organizational tenures are negatively associated with acquisition activity. </P> <P><B>Originality/value</B></P> <P> – This study is among the first to examine the impact of TMT demography on newly public firms’ acquisition activity. In doing so, it adds meaningfully to the understanding of the factors driving such firms’ strategic behavior.</P>
Mousa Sadeghi-Kiakhani,Siyamak Safapour,Fahimeh Sabzi,Ali Reza Tehrani-Bagha 한국섬유공학회 2020 Fibers and polymers Vol.21 No.1
Low-energy UV lamps were used for the pretreatment of wool yarns and its effects were investigated in terms ofsurface morphology, tensile strength, and percentage dye uptake. Subsequently, raw and UV-treated wool yarns were dyedwith Cochineal dye and the essential parameters affecting the dyeing process (i.e., temperature, pH, duration) weredetermined. The results showed that the color strength of the samples increased by (a) increasing the pre-treatmenteffectiveness (i.e., UV irradiation strength and its duration), and (b) increasing the influential dyeing parameters (i.e., highertemperature, higher initial dye concentration in the dye bath, longer dyeing time, and acidic pH). The UV irradiationpretreatment also enhanced the color fastness properties of the dyed samples under the same dyeing conditions. The resultssuggested that an eco-friendly, acid-free, and relatively cheaper dyeing process could be developed for the wool fiberspretreated with scalable and straightforward UV irradiation pretreatment.
The Impact of Big Data Analytics on Audit Procedures: Evidence from the Middle East
Mousa ALRASHIDI,Abdullah ALMUTAIRI,Omar ZRAQAT 한국유통과학회 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.2
The goal of this study was to see how big data analytics (BDA) affected external audit procedures in the Middle East. The measurement model and structural model of this investigation were evaluated using PLS-SEM (3.3.3). The study sample members were (361) auditors who work in auditing companies in Kuwait, Saudi Arabia, the United Arab Emirates, Jordan, Bahrain, Egypt, Lebanon, and Iraq. A questionnaire was chosen to the study sample members electronically, and the study sample members were (5093) auditors who work in auditing companies in Kuwait, Saudi Arabia, the United Arab Emirates, Jordan, Bahrain, Egypt, Lebanon, and Iraq. To choose the sample, the researchers used a stratified random sampling procedure. The findings show that BDA has an impact on audit procedures at all phases of the auditing process, where it contributes to information delivery that helps auditors understand the client’s internal and external environments, which in turn influences the choice to accept the audit assignment. Furthermore, by providing essential information, BDA enables auditors to simply run analytical procedures, estimate client risks, and understand and evaluate the internal control system. As a result, auditors must develop their abilities in the BDA field, as it adds to the creation of additional value for both auditors and their clients.
Novel Thermal Stable Organosoluble Polyamides and Polyimides Based on Quinoxalin Bulky Pendent Group
Mousa Ghaemy,Roghieh Porazizollahy,Maasoomeh Bazzar 한국고분자학회 2011 Macromolecular Research Vol.19 No.6
A new diamine containing a bulky diphenylquinoxalin pendant, 3,5-diamino-N-(2,3-diphenylquinoxalin-7-yl)benzamide (DQB), was synthesized in four steps through the nucleophilic aromatic substitution of 3,5-dinitrobenzoylchloride with 2,3-diphenylquinoxalin-6-amine and subsequent catalytic reduction. All intermediates and DQB were fully characterized by FTIR, NMR and elemental analysis. A series of polyamides PA(a-e) was synthesized from this diamine by direct polycondensation with various dicarboxylic acids, triphenyl phosphate and pyridine in N-methyl-2-pyrrolidynone (NMP). Three polyimides PI(a-c) were synthesized from this diamine using commercial dianhydrides in two-step polycondensation. Characterization of polymers was accomplished by FTIR,H NMR, elemental analysis, DSC, DMTA, GPC, and TGA. The intrinsic viscosities of PAs ranged from 0.54 to 0.67dL/g. PAs displayed T_g values of 140-298 ℃ and 10% weight loss of 415-485 ℃ in N_2. The T_g values of the PIs varied between 200 and 310 ℃, with 10% weight loss above 500℃ in N_2. The PAs were soluble in common polar aprotic solvents at room temperature whereas the aromatic PIs were dissolved by heating at 60 ℃.
Mousa Ghaemy,Farzaneh Hashemi Nasr,Raouf Alizadeh,Mehdi Taghavi 한국고분자학회 2012 Macromolecular Research Vol.20 No.6
A series of novel polyamides (PAs) bearing substituted carbazole and imidazole rings in the main-chain were successfully synthesized via direct phosphorylation polycondensation between a new diamine, 5,5'-(9-octyl-carbazole-3,6-diyl)bis[4-phenyl-2-(4-amino-phenyl)-1H-imidazole], and various commercially available dicarboxylic acids. All intermediates and polymers were fully characterized by FTIR, NMR, and elemental analysis. These polymers were obtained in good yields with inherent viscosities of 0.42-0.55 dL/g and number average molecular weights (Mn)in the range of 24,875-31,720 g/mol molecular weight distribution (MWD=1.57-2.5). They exhibited excellent solubility in common polar aprotic organic solvents. These polymers had high glass transition temperatures (Tg)s (204-309 oC) and their temperatures at 10% weight loss (T10%) were found to be in the range of 404-511 oC in nitrogen. They exhibited strong UV absorption with maxima at 320-335 nm, and their photoluminescence (PL) efficiency was affected by their chemical structure; PL quantum yields were in the range of 4%-34%. The aliphatic PAs emitted blue light at λe.max=465 nm, while the aromatic PAs emitted green light at λe.max=490-510 nm in NMP solution.
Mousa Sadeghi-Kiakhani,Kamaladin Gharanjig,Mokhtar Arami 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.28 No.-
Cotton was successfully treated by chitosan––dendrimer PPI hybrid (CS–PPI) using pad-dry-curemethod. Scanning electron microscope (SEM), Fourier transform infra red (FTIR) and weight gainanalysis clearly confirmed that CS–PPI was grafted on cotton through the formation of new chemicalbonds. Due to the presence of CS–PPI on the surface of cotton, the weight gain of cotton was 6%increased, and consequently the antimicrobial activity of the treated fabrics under optimum conditionswas raised. As a worthy phenomenon, the treated cotton with CS–PPI in a concentration of 20% on theweight of the fabric was shown 100% of bacterial reduction.