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El-Husseiny, I. N., A. M. A., A. A. Mostafa, and M. H. Elshakankery, "Surgical Management of Patellar Ligament Rupture in Dogs using A Prosthetic Woven Fabric: Experimental Study", The Journal of American Science, 2011. Abstract

A new synthetic fabric composed of a mixture of two biomaterials, polyamide 6.6 and polyester, was manufactured with specific tensile characters to serve in the reconstruction of the patellar ligament rupture in dogs. Twelve skeletally mature mongrel dogs with no evidence of clinical signs of lameness were used in the present study. Patellar ligament rupture was induced by severing the mid portion of the right ligament of each limb. Surgical intervention was performed by primary suturing of the severed patellar ligament ends and applying a synthetic fabric to act as a supportive internal splint. Satisfactory results were obtained concerning the tendon healing and the return to limb normal function without complications. It was found that the polyamide polyester fabric proved to be a suitable reconstructive biocompatible material that allowed primary ligament repair with adequate support by and giver an excellent outcome in cases of patellar ligament ruptures in dogs.

Naoum, M., A. A. Fahmi, M. A. Alaasar, and R. A. Salem, "Supramolecular Liquid Crystals in Binary and Ternary Systems", Thermochimica Acta, 2011.
Othman, S. H., M. S. El-Deab, and T. Ohsaka, "Superior electrocatalytic Activity of Au(110)-Like Gold Nanoparticles Towards The Oxygen Evolution Reaction", Int. J. Electrochemical Science, 2011. Abstract

This study is concerned with the electocatalytic evolution of oxygen gas at novel gold nanoparticles (nano-Au) modified glassy carbon (GC) electrodes in 0.5 M KOH. The electrochemical measurements show a superior enhancement of the nano-Au/GC towards the oxygen evolution reaction (OER) compared to bulk GC and Au electrodes. That is, the onset potential of the OER is shifted by ca. 600 mV in the negative direction compared with bulk Au and unmodified GC electrodes. The enrichment in the Au (110) facet orientation (of the electrodeposited nano-Au) [1] at the expense of other low facets orientations induces a favorable geometric arrangements of the Au surface atoms which is believed to facilitate the OH- adsorption and, hence, the charge transfer process during the water electrolysis into molecular oxygen. Thus, the OER is accelerated and realized at less positive potential.

Abdel-Motelib, A., Z. A. Kader, Y. A. Ragab, and M. Mosalamy, "Suitability of a Miocene bentonite from North Western Desert of Egypt for pharmaceutical use", Applied Clay Science, 2011. Abstract

This work examines the beneficial effects for human health of bentonite, describing their use in pharmaceutical formulations. The bentonite samples must comply with some general features of pharmacopeia, including high mineral and chemical purities and absence of microbial pathogens, before considering their use in pharmacy. Specific characteristics such as sediment volume, swelling power and gel formation are also important for particular applications such as their use as suspending agents. Mineralogical, geochemical, and microbiological analyses and pharmacopeia tests were carried out for a purified (raw and activated) Egyptian bentonite sample from North Western Desert (NWD), a Wyoming bentonite standard and a mineral currently used as a pharmaceutical product. The X-ray diffraction data revealed that the Egyptian sample has montmorillonite as a main mineral phase.

Edmardash, Y. A. - E., M. S. Abdel-Dayem, and N. S. Gadallah, "The subfamily Cheloninae (Hymenoptera, Braconidae) from Egypt, with the description of two new species", ZooKeys, 2011. Abstract

A key to the chelonine species (Braconidae) (both recorded and recently collected) from Egypt is given. It includes 16 species, of which five species are new to the Egyptian fauna and two (Phanerotoma (Phanerotoma) elbaiensis sp. n. and Phanerotoma (Bracotritoma) ponti sp. n.) are new for science. A faunistic list and the description for the two new species are added.

Abdellatif, G., H. Imam, and Y. E. E. - D. Gamal, "Studying the Role of Ambient Conditions in Laser-induced Al-Plasma Expansion", Journal of the Korean Physical Society, vol. 56, issue 1, pp. 300-308, 2011. AbstractCU-PDF

The role of ambient conditions on the spatial and temporal evolution of the aluminum plasma spectral emission is studied. Measurements were carried out in vacuum as well as in air at atmospheric pressure to determine the optimum value of both distances from target and of the delay time at which the spectral line emission is most intense.

Abdullah, M. H., G. B. Ali, H. A. Ismail, and M. A. Rassem, "Studying the dynamical properties of 20 nearby galaxy clusters", Monthly Notices of the Royal Astronomical Society, 2011. Abstract

Using SDSS-DR7, we construct a sample of 42 382 galaxies with redshifts in the region of 20galaxy clusters. Using two successive iterative methods, the adaptive kernel method and the spherical infall model, we obtained 3396 galaxies as members belonging to the studied sample. The 2D projected map for the distribution of the clusters members is introduced using the 2D adaptive kernel method to determine the cluster centres. The cumulative surface number density profile for each cluster is fitted well with the generalized King model. The core radii of the cluster samples are found to vary from 0.18 Mpc h−1 (A1459) to 0.47 Mpc h−1 (A2670) with a mean value of 0.295 Mpc h−1. The infall velocity profile is determined using two different models: Yahil approximation and Praton model. Yahil approximation is matched with the distribution of galaxies only on the outskirts (infall regions) of many clusters of the sample, while it is not matched with the distribution within the inner core of the clusters. Both Yahil approximation and Praton model are matched together in the infall region for about nine clusters in the sample but they are completely unmatched for the clusters characterized by a high central density. For these clusters, Yahil approximation is not matched with the distribution of galaxies, while Praton model can describe well the infall pattern of such clusters. The integrated velocity dispersion profile shows that there are different behaviours within the cluster’s virialized region, while it exhibits a flattened-out behaviour outside the virialized region up to the turnaround radius. Under the assumption that the mass follows galaxy distribution, we determine themass and mass profile by two independent mass estimators; projected mass and virial mass methods. The virial mass profile is corrected by applying the surface pressure term which reduces the virial mass by about 14 per cent. The projected mass profile is larger than the corrected virial mass profile for nearly all clusters by about 28 per cent. The virial mass agrees with the NFW mass and Praton mass at rv. The virial mass profile within 1.5 Mpc h−1 is fitted with the NFW mass profile. The concentration parameter ranges from 1.3 to 39.17, and has a mean value of 12.98.

Abou-Elenien, G. M., E. A. A. Maghraby, and H. R. Abdel-Tawab, "Study of the electrochemical redox characteristics of some thiadiazoles and their derivatives", International Journal of the Physical Sciences, 2011. Abstract
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Fadda, A. A., F. M. Abdelrazek, and A. M. Fouda, "Studies with Aza-Heterocyclic N-Oxides: Synthesis of Some New Aromatic N-Oxide Derivatives", European J. Chem, 2011. Abstract

Benzofuroxan derivative 1a reacts with the cyanoacetanilide 2a-d to give the benzimidazole derivatives 3a-d. Benzofuroxan

Khalil, W. K. B., E. Girgis, A. N. Emam, M. B. Mohamed, and K. V. Rao, "Studies on the photo-catalytic activity of semiconductor nanostructures and their gold core", Nanotechnology, 2011. Abstract

This work is devoted to synthesize different semiconductor nanoparticles and their metal core-shell nanocomposites such as TiO2, Au/TiO2, ZnO, and Au/ZnO. The morphology and crystal structures of the developed nanomaterials were characterized by TEM and XRD. These materials were used as catalysts for the photodegradation of Malathion that is one of the most commonly used pesticides in the developing countries. The degradation of 10 ppm Malathion under ultraviolet (UV) and visible light in the presence of different synthesized nanocomposites was analyzed by using high performance liquid chromatography (HPLC) and UV-Visible Spectra. A comprehensive study was carried out for the catalytic efficiency of the prepared nanoparticles. Moreover, the effects of different factors that could influence the catalytic photodegradation such as different light source, surface coverage and nature of the organic contaminants were investigated. The results indicate that the core-shell nanocomposite of the semiconductor-gold serves as a better catalytic system compared with semiconductor nanoparticles themselves.

Mohamed, M. A. - H., D. S. H. Taha, D. A. E. - G. I. Abou-Dawoud, and D. M. Z. Sitohy, Studies on the Biological Actions of Some Nitrogenous Whey Products , , 2012. cu-pdf.pdf
Bashtar, A. - R., M. Hassanein, F. Abdel-Ghaffar, K. Al-Rasheid, S. Hassan, H. Mehlhorn, M. AL-Mahdi, K. Morsy, and A. Al-Ghamdi, "Studies on Monieziasis of Sheep I", Parasitology Research, 2011. Abstract

Thysaniezia giardi (2.7%), T. giardi was recorded in Egypt for the first time. M. expansa was found throughout the year with two peaks in January (92.3%) and June (88.5%). SEM examination revealed that M. expansa scolex has four triangular suckers guarded by an X-shaped fibrous band that makes them open permanently. Also, there is a Y-shaped apical part at the scolex center which may be an embryonically non-developed rostellum. The whole worm body surface is covered with unidirectional microtriches. TEM showed that the tegument is underlaid by a thick fibrous interstitial layer below which an outer circular and an inner longitudinal muscular layer are arranged. Beneath these structures the subtegumental cells are found which have spherical electron-dense inclusions and various other cell organelles. Moreover, M. expansa has interproglottidal glands which contain secretory vesicles and secretions. For biological control of this parasite, different concentrations of crude plant extract of Artemisia cina were used in vitro and in vivo.

Zayed, M. A., M. A. Fahmey, M. F. Hawash, and S. A. M. Abdallah, "Structure investigation of dextromethorphan drug using mass spectrometry, thermal analyses techniques combined with MO ", Ser J Exp Clin Res, 2011.
El-Gamel, N. E. A., M. F. Hawash, and M. A. Fahmey, "Structure Characterization and Spectroscopic Investigation of Ciprofloxacin Drug", Journal of Thermal Analysis and Calorimetry, 2011.
Khlifi, M., M. Bejar, E. L. O. Sadek, E. Dhahri, M. A. Ahmed, and E. K. Hlil, "Structural, Magnetic and Magnetocaloric Properties of the Lanthanum Deficient inLa0", Journal of Alloys and Compounds, 2011.
M., F. A. A., O. W. G., and E. - S. E. A. A., "Structural and Optical Characterizations of Pyronine B Thin Films and itsPhotovoltaic Applications", Journal of Alloys and Compounds, 2011.
Ahmed, M. A., S. I. El-dek, I. M. El-Kashef, and N. Helmy, "Structural and Magnetic Properties of Nano-crystalline Ag? Doped NiFe2O4", Solid State Sciences, 2011.
Ghani, N. A. T., and A. M. Mansour, "Structural and in Vitro Cytotoxicity Studies on1H-benzimidazol-2-ylmethyl-N-phenyl Amine and its Pd(II) and Pt(II) Complexes", Spectrochimica Acta part A:Molecular and biomolecular spectroscopy, 2011. Abstract
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El-Hashimy, F. S. A., S. A. Helmy, A. M. N. H. El-Dkak, and I. M. A. Ibrahim, "Stability of Different Fruit Juices Mixed With Black Carrot Juice During Storage", International Journal of Academic Research, 2011.
Gadallah, N. S., and A. F. El-Barty, "Spider wasps collected from the western region of Saudi Arabia", Zoology in the Middle East, 2011. Abstract

A faunistic list of spider wasps (Pompilidae) collected from the western region of Saudi Arabia is presented. It comprises 29 species belonging to 18 genera in three subfamilies, of which 22 are newly recorded from Saudi Arabia. The previously unknown male of Agenioideus spiniprivus (Priesner) is discussed. This first part is followed by a list of the species name previously recorded from Saudi Arabia or which are expected to occur there.

Khalil, G. E., A. M. Adawi, B. Robinson, A. J. Cadby, W. C. Tsoi, J. - S. Kim, A. Charas, J. Morgado, and D. G. Lidzey, "Spectroscopy and Single-Molecule Emission of a Fluorene-Terthiophene Oligomer", The Journal of Physical Chemistry, 2011. CU-PDF.pdf
Bashaa, M. A. F., "Spectroscopic, Magnetic and Optical Characterization of Nanocomposite Films of Polyvinylpyrrolidone Doped with Cerium Disulphate", Applied Polymer Science, 2011. Abstract

New nanocomposite hybrid films of a well dispersed cerium disulphate Ce(SO4)2 nanoparticles into thepolyvinylpyrrolidone (PVP) matrix were prepared by a casting technique. The nanostructural nature and complex formation were investigated using the transmission electron microscopy (TEM), the nuclear magnetic resonance (NMR) and the Infrared (IR) spectroscopy. The magnetic measurements at room temperature, using a vibrating sample magnetometer (VSM), and the obtained magnetic parameters revealed that the investigated nanocomposites belong to a category of magnetically soft materials that find widespread applications in contemporary fine technologies. Optical absorption spectra were measured in the ultraviolet

El?Halima, H. F. A., M. M. Omar, G. G. Mohamed, and M. A. E.?E. Sayed, "Spectroscopic and biological activity studies on tridentate Schiff base ligandsand their transition metal complexes", European Journal of Chemistry 2 (2): 178?188 (2011), 2011. Abstract

Schiff base ligands are prepared via condensation of pyridine?2,6?dicarboxaldehyde with 2?aminothiophenol (H2L1) and 2?aminobenzoic acid (H2L2), respectively. The ligands arecharacterized based on elemental analysis, mass, IR and 1H NMR spectra. Metal complexes arereported and characterized based on elemental analyses, IR, 1H NMR, solid reflectance,magnetic moment, molar conductance, and thermal analyses (TG, DTG and DTA). The molarconductance reveals that all the metal chelates are non?electrolytes except Th(IV) H2L2complex which is 1:1 electrolyte . IR spectra show that H2L1 and H2L2 ligands behave asneutral tridentate ligands and bind to the metal ions via the two azomethine N and pyridine N. From the magnetic and solid reflectance spectra, it is found that the geometrical structures ofthese complexes are octahedral (Cr(III)? and Fe(III)?H2L1 and H2L2, Th(IV)?H2L2 and Mn(II)?H2L1 complexes) and triagonal bipyramidal (Co(II), Ni(II), Cu(II), Cd(II) and UO2(II)?H2L1 andH2L2 and Mn(II)?H2L2 complexes). The thermal behaviour of these chelates is studied using TGand DTA techniques and the activation thermodynamic parameters are calculated usingCoats?Redfern method. The synthesized ligands and their metal complexes were screened fortheir biological activity against bacterial species (Escherichia coli, P. vulgavis, B. subtilis and S.pyogones) and fungi (F. solani, A. niger and A. liavus). The activity data show that the metalcomplexes have antibacterial and antifungal activity more than the parent Schiff base ligandsagainst one or more bacterial or fungi species.