Influence of temperature on tire-pavement noise in hot climates: Qatar case حسب Okan, Sirin

"…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Exploring students’ understanding of the second derivative within the context of a differential equations course حسب Habre, Samer

"…The teaching of this course emphasizes a qualitative approach and therefore a solid understanding of the first and second derivatives is critical to determine the increase/decrease of solutions as well as their rate of increase/decrease. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Investigating the mechanism by which the platelet-derived growth factor receptor promotes metastasis in medulloblastoma حسب AbouAntoun, Thamara Jihad

"…Expression of the platelet-derived growth factor receptor (PDGFR) correlates with metastatic medulloblastoma and PDGF treatment of medulloblastoma cells activates the pro-survival and pro-migratory pathways downstream of the receptor, for instance, increases extra-cellular regulated kinase (Erk1/2), Protein kinase B (Akt) and phosphatidylinositide 3-kinase (PI3K) activity and decreases phosphatase and tensin homolog (PTEN) expression and activity. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Fetoplacental transmission and placental response to SARS-CoV-2: Evidence from the literature حسب Henry C. Ezechukwu (13253406)

"…The results indicated that SARS-CoV-2 induces placenta inflammation, and placenta susceptibility to SARS-CoV-2 decreases across the pregnancy window. …"

Ferroelectric Properties and Electrocaloric Effect in Dy2O3 Substitution on Lead-Free (Na0.5 Bi0.5)0.94 Ba0.06TiO3 Ceramic حسب Turki, O.

"…Using the direct EC measurement, the ceramic corresponding to y = 0.02 exhibited a significant EC response, where ΔT = 1.2 K under 5 kV/mm. The incorporation of Dy was found to enhance the EC responsivity coefficient ζ = iT/ΔE), with a best value of ζ = 0.24 K.mm/kV for y = 0.02.…"
احصل على النص الكامل

Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane حسب Vasavi, Boggarapu

"…Experimental samples S1, S3, S5 and S10 were prepared from polymer pellets that were stored for 1,3,5 and 10-year time duration respectively. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

A genetically encoded BRET-based SARS-CoV-2 Mpro protease activity sensor حسب Anupriya M. Geethakumari (17052375)

"…Further, in vitro assays with the BRET-based Mpro sensors revealed a molecular crowding-mediated increase in the rate of M^pro activity and a decrease in the inhibitory potential of GC376. The sensors developed here will find direct utility in studies related to drug discovery targeting the SARS-CoV-2 M^pro and functional genomics application to determine the effect of sequence variation in M^pro.…"

Host Genetic Variants Potentially Associated With SARS-CoV-2: A Multi-Population Analysis حسب Maria K. Smatti (4675852)

"…Remarkably, Africans seem to carry extremely lower frequencies of SARS-CoV-1 susceptibility alleles, reaching to 32-fold decrease compared to other populations.…"

XPS and material properties of raw and oxidized carbide-derived carbon and their application in antifreeze thermal fluids/nanofluids حسب Ismail W. Almanassra (14151321)

"…<p>In this study, the stability, thermal conductivity and viscosity of carbide-derived carbon antifreeze thermal fluids were explored. …"

Genetic Variation in CCL5 Signaling Genes and Triple Negative Breast Cancer: Susceptibility and Prognosis Implications حسب Jingxuan Shan (4711089)

"…We found a highly significant association between the <b><i>CCND1</i></b><b> </b><b>rs614367-TT</b> genotype (OR = 5.14; <i>P</i> = 0.004) and TNBC risk, and identified a significant association between the <b>rs614367-T</b> allele and decreased PFS in TNBC. …"

Correlation of MPTP neurotoxicity in vivo with oxidation of MPTP by the brain and blood-brain barrier in vitro in five rat strains حسب Riachi, Naji J.

"…We studied 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) neurotoxicity in 5 strains of rats by assessing mortality and brain monoamine changes after MPTP injections into the internal carotid artery. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

An imageable retinoid acid derivative to detect human cancer xenografts and study therapeutic dosing to reduce its toxicity حسب Wang, Wei

احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Vitamin D Association With Macrophage-Derived Cytokines in Polycystic Ovary Syndrome: An Enhanced Risk of COVID-19 Infection? حسب Abu Saleh Md Moin (6189512)

"…Basal macrophage activation markers CXCL5, CD163 and MMP9 were elevated, whilst protective CD200 was decreased (p<0.05); changes in these variables were related to, and fully accounted for, by BMI. …"

Dielectric Properties of Y3Fe5O12 (YIG) Prepared at Different Molarities of NaOH حسب Assi, B.

"…In this study, Yttrium Iron Garnet (Y3Fe5O12) (YIG) powders were synthesized via co-precipitation method, followed by calcining the precipitates at 1100˚C. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution حسب Khuram Shahzad (575887)

Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar حسب Doua Abdelrahman (17280667)

"…Results: Only 1.4% (70/5026) of the samples had detectible B19V DNA in their blood. B19V DNA prevalence statistically decreased with age (p = 0.03). …"

Morphological changes in amblyopic eyes in choriocapillaris and Sattler’s layer in comparison to healthy eyes, and in retinal nerve fiber layer in comparison to fellow eyes through... حسب Masri, Oussama Samer

"…Purpose Establishing the reliability of a new method to check the mean retinal and choroidal reflectivity and using it to find retinal and choroid changes in amblyopia. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Stability and thermophysical properties test of carbide-derived carbon thermal fluid; a comparison between functionalized and emulsified suspensions حسب Ismail W. Almanassra (14151321)

"…<p dir="ltr">In this study, the stability and thermophysical properties of chemically functionalized and gum-Arabic emulsified carbide-derived carbon (CDC)/ water thermal fluids were investigated. …"

12/15-Lipoxygenase-Derived Lipid Metabolites Induce Retinal Endothelial Cell Barrier Dysfunction: Contribution of NADPH Oxidase حسب Amira Othman (380131)

Tolfenamic Acid Derivatives: A New Class of Transcriptional Modulators with Potential Therapeutic Applications for Alzheimer’s Disease and Related Disorders حسب Jaunetta Hill (18255631)