Publications

Export 66 results:
Sort by: [ Author  (Asc)] Title Type Year
A B C D E F G H I J K L M N O P [Q] R S T U V W X Y Z   [Show ALL]
Q
Qadee, S. E., O. Helmy, T. Almorsy, and M. Ramadan, "MALDI-TOF MS BIOTYPER AND POLYMERASE CHAIN REACTION FOR RAPID IDENTIFICATION OF STAPHYLOCOCCUS AUREUS AND PSEUDOMONAS AERUGINOSA IN NON-STERILE PHARMACEUTICAL PREPARATIONS", International journal of Pharmaceutical sciences and research, vol. 9, issue 9, pp. 3656-3663, 2018. 8-vol.-9-issue-9-sep-2018-ijpsr-ra-9618_1.pdf
Qadhi, T. M., A. H. Ahmed, and A. A. Surour, Industrial Minerals and Rocks, and their Uses (in Arabic) المعادن والصخور الصناعية واستخداماتها, , Jeddah, King Abdulaziz university (Saudi Arabia), 2011. glf_ktb_mdn_wskhwr_sny.pdf
Qais A. H. Majeed, Maha S. AlAzemi, M. M. T. Al-Sayegh, and N. - E. M. I. Abdou, "Epidemiological and Molecular Study of Cryptosporidium in Preweaned Calves in Kuwait", Animals. 2022;12(14):1805. , vol. 12, issue 14, pp. 1805-1814, 2022.
Qari, S. H., A. F. Alrefaei, A. B. Ashoor, and M. H. Soliman, "Genotoxicity and Carcinogenicity of Medicinal Herbs and Their Nanoparticles", Nutraceuticals, vol. 1, issue 1, pp. 31 - 41, 2021. AbstractWebsite

Medicinal plants (MPs) account for 70–80% of use in primary care around the world, and this percentage indicates that the number of MP users is high; thus, it is necessary to focus studies on medicinal herbs to ensure their proper use. In addition, MPs have strong genotoxic effects, as some types of MPs can cause DNA damage. Any substance that raises the risk of cancer or a tumor in an organism is called a carcinogen. There are many genotoxic and carcinogenic substances in the environment that can directly or indirectly affect genetic material. There are also nanoparticles (NPs) derived from MPs. Carbon-based NPs contain many nanoscale materials, such as fullerenes and carbon nanotubes, as well as metals such as gold (Au), silver (Ag), and aluminum (Al). Unfortunately, few studies are concerned with the carcinogenicity of NPs from MPs, whereas many researchers are interested in genotoxic assessment. For this reason, there is an urgent need for more studies into the safety of MPs and NPs. Therefore, this study reviewed the genotoxicity and carcinogenicity of MPs and their derived NPs. We also emphasized the need for strict regulation and monitoring of MP usage.

Qari, S. H., A. M. Abdulmajeed, T. S. Alnusaire, and M. H. Soliman, "Responses of Crop Plants Under Nanoparticles Supply in Alleviating Biotic and Abiotic Stresses", Sustainable Agriculture Reviews 53, vol. 53, Cham, Springer International Publishing, pp. 231 - 246, 2021. Abstract
n/a
Qarmout, S., N. N. Makhlouf, Z. Elcheikh, and M. A. Salheen, "Biogas as a Model for Urban Environmental Quality in Informal Areas", Building Simulation Cairo 2013 - Towards Sustainable & Green Built Environment, Cairo, Egypt, 24th June, 2013.
qawy, D. A., A. El-Korany, A. Kamel, and S. Makady, "Hub-OS: An interoperable IoT computing platform for resources utilization with real-time support", Journal of King Saud University-Computer and Information Sciences, vol. 34, issue 4, pp. 1498-1510, 2022.
qawy, D. A., A. Kamel, and F. Omara, "A Survey on Testing Concurrent and Multi-Threaded Applications Tools and Methodologies", The International Conference on Informatics & Applications (ICIA2012), Malaysia, pp. 459-471, 2012.
qawy, D. A., A. Kamel, and S. Makady, "Towards a Dynamic Scalable IoT Computing Platform Architecture", International Journal of Advanced Computer Science and Applications, vol. 11, issue 2, 2020.
QAZZAZ, A. L. A. A. A. L. M., K. A. Olama, and R. S. Abdul-Rahman, "Recording of Motor Unit Potentials Count of Middle Trapezius in Children with Rounded Back", Med. J. Cairo Univ, vol. 88, issue 2, pp. 865-868, 2020.
QAZZAZ, A. L. A. A. A. L. M., K. A. Olama, and R. S. Abdul-Rahman, "Recording of Motor Unit Potentials Count of Middle Trapezius in Children with Rounded Back", Med. J. Cairo Univ, vol. 88, issue 2, pp. 865-868, 2020.
Qi, X., Yaohui Wang, G. Zhang, S. Cao, P. Xu, Xueming Ren, A. Mansour, and C. Niu, "Transcriptome analysis uncovers different avenues for manipulating cold performance in Chrysomya megacephala (Diptera, Calliphoridae).", Bulletin of entomological research, pp. 1-12, 2022. Abstract

Temperature strongly impacts the rates of physiological and biochemical processes, which in turn can determine the survival and population size of insects. At low temperatures performance is limited, however, cold tolerance and performance at low temperature can be improved after short- or long-term acclimation in many insect species. To understand mechanisms underlying acclimation, we sequenced and compared the transcriptome of the blowfly Chrysomya megacephala under rapid cold hardening (RCH) and long-term cold acclimation (LCA) conditions. The RCH response was dominated by genes related to immune response, spliceosome, and protein processing in endoplasmic reticulum with up-regulation during recovery from RCH. In contrast, LCA was associated with genes related to carbohydrate metabolism and cytoskeleton branching and stabilizing. Meanwhile, mRNA levels of genes related to glycerophospholipid metabolism, and some heat shock proteins (Hsps) were collectively up-regulated by both RCH and LCA. There were more genes and pathway adjustments associated with LCA than RCH. Overall, the transcriptome data provide basic information of molecular mechanisms underpinning the RCH and LCA response. The partly independent molecular responses to RCH and LCA suggest that several avenues for manipulating cold performance exist and RCH might be more effective as it only triggers fewer genes and affects the general metabolisms less. These observations provide some appropriate methods to improve cold tolerance of C. megacephala, and hold promise for developing an extended use of mass-reared C. megacephala with better cold performance as a pollinator of crops at low temperatures.

Qi, X., Z. Li, M. Akami, A. Mansour, and C. Niu, "Fermented crop straws by Trichoderma viride and Saccharomyces cerevisiae enhanced the bioconversion rate of Musca domestica (Diptera: Muscidae).", Environmental science and pollution research international, vol. 26, issue 2019, pp. 29388–29396, 2019. AbstractWebsite

Crop straw is an abundant renewable resource whose usage is limited due to its high cellulose, hemicellulose, and lignin contents. Here, Trichoderma viride, Saccharomyces cerevisiae, and Musca domestica were used to transform crop straws, and we investigated their impact on housefly rearing performance and optimized their utilization. The weights of cellulose, hemicellulose, and lignin in fermented crop straw diets significantly decreased after bioconversion by M. domestica larvae. The highest bioconversion rate was recorded in corn straw diet (16.19%), followed by wheat straw diet (10.31%) and wheat bran diet (8.97%). Similarly, high larval weight (yield) and pupation rate and fecundity and fertility rate were recorded in fermented crop straw diets composed of corn straw and wheat bran in 1:1 proportions. These results indicated that fermenting crop straw with T. viride and S. cerevisiae represented an efficient strategy that enhanced crop straw bioconversion and improved the rearing capacity of the housefly larvae. The resulting larvae could further be used as proteinaceous feed in poultry and aquaculture industries. Graphical abstract.

Qi, B., M. Marie, A. S. AbdelWahed, I. N. Khatatbeh, M. Omran, and A. A. Fayad, "Bank Risk Literature (1978–2022): A Bibliometric Analysis and Research Front Mapping", Sustainability, vol. 15, issue 5, pp. 4508, 2023.
Qian, D., A. E. - M. M. El-Sharkawy, E. Atalar, and P. A. Bottomley, "Interventional MRI: tapering improves the distal sensitivity of the loopless antenna.", Magnetic resonance in medicine, vol. 63, issue 3, pp. 797-802, 2010 Mar. Abstract

The "loopless antenna" is an interventional MRI detector consisting of a tuned coaxial cable and an extended inner conductor or "whip". A limitation is the poor sensitivity afforded at, and immediately proximal to, its distal end, which is exacerbated by the extended whip length when the whip is uniformly insulated. It is shown here that tapered insulation dramatically improves the distal sensitivity of the loopless antenna by pushing the current sensitivity toward the tip. The absolute signal-to-noise ratio is numerically computed by the electromagnetic method-of-moments for three resonant 3-T antennae with no insulation, uniform insulation, and with linearly tapered insulation. The analysis shows that tapered insulation provides an approximately 400% increase in signal-to-noise ratio in trans-axial planes 1 cm from the tip and a 16-fold increase in the sensitive area as compared to an equivalent, uniformly insulated antenna. These findings are directly confirmed by phantom experiments and by MRI of an aorta specimen. The results demonstrate that numerical electromagnetic signal-to-noise ratio analysis can accurately predict the loopless detector's signal-to-noise ratio and play a central role in optimizing its design. The manifold improvement in distal signal-to-noise ratio afforded by redistributing the insulation should improve the loopless antenna's utility for interventional MRI.

Qiao, L., L. Xu, L. Yu, J. Wynn, R. Hernan, X. Zhou, C. Farkouh-Karoleski, U. S. Krishnan, J. Khlevner, A. De, et al., Rare and de novo variants in 827 congenital diaphragmatic hernia probands implicate LONP1 as candidate risk gene, , vol. 108, issue 10, pp. 1964 - 1980, 2021. AbstractWebsite

SummaryCongenital diaphragmatic hernia (CDH) is a severe congenital anomaly that is often accompanied by other anomalies. Although the role of genetics in the pathogenesis of CDH has been established, only a small number of disease-associated genes have been identified. To further investigate the genetics of CDH, we analyzed de novo coding variants in 827 proband-parent trios and confirmed an overall significant enrichment of damaging de novo variants, especially in constrained genes. We identified LONP1 (lon peptidase 1, mitochondrial) and ALYREF (Aly/REF export factor) as candidate CDH-associated genes on the basis of de novo variants at a false discovery rate below 0.05. We also performed ultra-rare variant association analyses in 748 affected individuals and 11,220 ancestry-matched population control individuals and identified LONP1 as a risk gene contributing to CDH through both de novo and ultra-rare inherited largely heterozygous variants clustered in the core of the domains and segregating with CDH in affected familial individuals. Approximately 3% of our CDH cohort who are heterozygous with ultra-rare predicted damaging variants in LONP1 have a range of clinical phenotypes, including other anomalies in some individuals and higher mortality and requirement for extracorporeal membrane oxygenation. Mice with lung epithelium-specific deletion of Lonp1 die immediately after birth, most likely because of the observed severe reduction of lung growth, a known contributor to the high mortality in humans. Our findings of both de novo and inherited rare variants in the same gene may have implications in the design and analysis for other genetic studies of congenital anomalies.

Qin, C., A. Kahn, F. Amirouche, A. Beltagi, S. Pradhan, J. L. Koh, and A. Athiviraham, "Suture tape augmentation has no effect on anterior tibial translation, gap formation, or load to failure of anterior cruciate ligament repair: A biomechanical pilot study", Arthroscopy, sports medicine, and rehabilitation, vol. 3, issue 1, pp. e233-e239, 2021.
Qindeel, R., and W. Tawfik, "Measurement of plasma characteristics of the optically generated copper plasma by laser spectroscopy technique", Optoelectronics and Advanced Materials, Rapid Communications, vol. 8, no. 7-8: National Institute of Optoelectronics, pp. 741-746, 2014. AbstractWebsite

Laser-induced breakdown spectroscopy (LIBS) or laser induced plasma spectroscopy (LIPS) technique has been applied to investigate plasma characterization of pure copper in air. The fundamental wavelength of Q-switched Nd:YAG laser beam was focused on the copper target with intensity of about 6.6 × 108 W/cm2 to generate the plasma. The laser intensity was optimized to avoid air breakdown on the target surface. The generated Cu plasma plume was monitored with CCD camera and the emission is analyzed with an Ophir WaveStar spectrometer. The plasma temperature is calculated as 10100 K while plasma density is 5.4 × 1017 cm-3. The CCD observed image of the constructed plasma plume showed that it is oblate shape rather than expected spherical nature. The observed results revealed the spatial distribution of the generated plasma plume expansion towards the laser beam that depends on the plasma properties. The observed ablation profile with the number of laser pulses is also studied. © 2014, National Institute of Optoelectronics. All right reserved.

Qindeel, R. A. B. I. A., and W. Tawfik, "Measurement of plasma characteristics of the optically generated copper plasma by laser spectroscopy technique", Optoelectronics and Advanced Materials–Rapid Communications, vol. 8, issue 7-8, 2014. Abstract
n/a
Qindeel, R. A. B. I. A., W. Tawfik, and others, "Measurement of plasma characteristics of the optically generated copper plasma by laser spectroscopy technique", Optoelectron. Adv. Mater. Rapid Commun, vol. 8, pp. 741–746, 2014. Abstract
n/a
Qindeel, R. A. B. I. A., L. G. Bousiakou, W. Tawfik, W. A. Farooq, N. H. Alonizan, S. Alsaleh, and D. Siachos, "Trace element analysis using ICP-MS in the shallow aquifers of the Haier region, Saudi Arabia", Middle-East Journal of Scientific Research, vol. 23, issue 8, pp. 1941-1948, 2015. Abstract
n/a
Qindeel, R. A. B. I. A., L. G. Bousiakou, W. Tawfik, W. A. Farooq, N. H. Alonizan, S. Alsaleh, and D. Siachos, "Trace element analysis using ICP-MS in the shallow aquifers of the Haier region, Saudi Arabia", Middle-East Journal of Scientific Research, vol. 23, no. 8, pp. 1941–1948, 2015. Abstract
n/a
Tourism