Search Results - "Albar, Hassan A"

Organocatalysis for the Acid-Free O-Arylidenation of Carbohydrates by Geng, Yiqun, Faidallah, Hassan M., Albar, Hassan A., Mhkalid, Ibrahim A., Schmidt, Richard R.

“…Methyl glycopyranosides of glucose, galactose, and mannose, their 2,3‐di‐O‐benzyl‐protected derivatives, as well as the unprotected sugars react with…”
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Cooperative Catalysis in Glycosidation Reactions with O-Glycosyl Trichloroacetimidates as Glycosyl Donors by Geng, Yiqun, Kumar, Amit, Faidallah, Hassan M., Albar, Hassan A., Mhkalid, Ibrahim A., Schmidt, Richard R.

“…Thiourea mediates cooperative glycosidation through hydrogen bonding. N,N′‐Diarylthiourea as cocatalyst enforces an SN2‐type acid‐catalyzed glycosidation even…”
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Hydrazine sensors development based on a glassy carbon electrode modified with a nanostructured TiO2 films by electrochemical approach by Rahman, Mohammed M., Alfonso, Valero G., Fabregat-Santiago, Francisco, Bisquert, Juan, Asiri, Abdullah M., Alshehri, Abdelmohsen A., Albar, Hassan A.

“…The authors describe a selective hydrazine sensor that is based on the use of a film of TiO 2 nanoparticles faceted predominantly at the 101 and 001 sides. The…”
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Template- and surfactant-free synthesis of ultrathin CeO2 nanowires in a mixed solvent and their superior adsorption capability for water treatment by Yu, Xiao-Fang, Liu, Jian-Wei, Cong, Huai-Ping, Xue, Lei, Arshad, Muhammad Nadeem, Albar, Hassan A, Sobahi, Tariq R, Gao, Qiang, Yu, Shu-Hong

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Hollow ternary PtPdCu nanoparticles: a superior and durable cathodic electrocatalyst by Liu, Xiao-Jing, Cui, Chun-Hua, Li, Hui-Hui, Lei, Yong, Zhuang, Tao-Tao, Sun, Meng, Arshad, Muhammad Nadeem, Albar, Hassan A, Sobahi, Tariq R, Yu, Shu-Hong

“…Hollow alloyed nanoparticles (NPs) represent one kind of promising fuel cell electrocatalyst. However, the formation of single-cavity hollow structures by a…”
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C-(α-d-Glucopyranosyl)-phenyldiazomethanes—irreversible inhibitors of α-glucosidase by Geng, Yiqun, Kumar, Amit, Faidallah, Hassan M., Albar, Hassan A., Mhkalid, Ibrahim A., Schmidt, Richard R.

“…Several C-(α-d-glucopyranosyl)-phenyldiazomethanes, with different substituent groups at the para-position of the phenyl ring, were prepared. The stabilities…”
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Template- and surfactant-free synthesis of ultrathin CeO 2 nanowires in a mixed solvent and their superior adsorption capability for water treatment by Yu, Xiao-Fang, Liu, Jian-Wei, Cong, Huai-Ping, Xue, Lei, Arshad, Muhammad Nadeem, Albar, Hassan A, Sobahi, Tariq R, Gao, Qiang, Yu, Shu-Hong

“…Ultrathin CeO nanowires with a diameter of 5 nm and an aspect ratio of more than 100 can be prepared by a one-step refluxing approach in a mixed solvent…”
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Kooperative Katalyse bei der Glycosidierung mit O-Glycosyltrichloracetimidaten als Glycosyldonoren by Geng, Yiqun, Kumar, Amit, Faidallah, Hassan M., Albar, Hassan A., Mhkalid, Ibrahim A., Schmidt, Richard R.

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Room temperature stable ClPrNTf2 ionic liquid utilizing for chemical sensor development by Rahman, Mohammed M., Marwani, Hadi M., Alshehri, Abdelmohsen A., Albar, Hassan A., Bisquert, Juan, Asiri, Abdullah M.

“…A stable ionic liquid was prepared at room-temperature using the metathesis reaction, which was consummated by the reaction of l-Phenylalanine ethyl ester…”
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Hydrazine sensors development based on a glassy carbon electrode modified with a nanostructured TiO.sub.2 films by electrochemical approach by Rahman, Mohammed M, Alfonso, Valero G, Fabregat-Santiago, Francisco, Bisquert, Juan, Asiri, Abdullah M, Alshehri, Abdelmohsen A, Albar, Hassan A

“…The authors describe a selective hydrazine sensor that is based on the use of a film of TiO.sub.2 nanoparticles faceted predominantly at the 101 and 001 sides…”
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Hollow ternary PtPdCu nanoparticles: a superior and durable cathodic electrocatalystElectronic supplementary information (ESI) available: Experimental details, XRD patterns, ICP data, EDS data, TEM and HADDF-STEM images, EDX line-scan profile and cyclic voltammetry (CV). See DOI: 10.1039/c4sc04037f by Liu, Xiao-Jing, Cui, Chun-Hua, Li, Hui-Hui, Lei, Yong, Zhuang, Tao-Tao, Sun, Meng, Arshad, Muhammad Nadeem, Albar, Hassan A, Sobahi, Tariq R, Yu, Shu-Hong

“…Hollow alloyed nanoparticles (NPs) represent one kind of promising fuel cell electrocatalyst. However, the formation of single-cavity hollow structures by a…”
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Template- and surfactant-free synthesis of ultrathin CeO2 nanowires in a mixed solvent and their superior adsorption capability for water treatmentElectronic supplementary information (ESI) available: X-ray diffraction (XRD) pattern, EELS spectra, FT-IR spectrum, schematic diagram of ultrathin CeO2 nanowire formation, TEM images of as-synthesized ceria nanowires with different reaction times and adsorption capacities (Qm) for Congo red and heavy metal ions on various adsorbents. See DOI: 10.1039 by Yu, Xiao-Fang, Liu, Jian-Wei, Cong, Huai-Ping, Xue, Lei, Arshad, Muhammad Nadeem, Albar, Hassan A, Sobahi, Tariq R, Gao, Qiang, Yu, Shu-Hong

“…Ultrathin CeO 2 nanowires with a diameter of 5 nm and an aspect ratio of more than 100 can be prepared by a one-step refluxing approach in a mixed solvent…”
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Hollow ternary PtPdCu nanoparticles: a superior and durable cathodic electrocatalyst† †Electronic supplementary information (ESI) available: Experimental details, XRD patterns, ICP data, EDS data, TEM and HADDF-STEM images, EDX line-scan profile and cyclic voltammetry (CV). See DOI: 10.1039/c4sc04037f Click here for additional data file by Liu, Xiao-Jing, Cui, Chun-Hua, Li, Hui-Hui, Lei, Yong, Zhuang, Tao-Tao, Sun, Meng, Arshad, Muhammad Nadeem, Albar, Hassan A., Sobahi, Tariq R., Yu, Shu-Hong

“…Hollow PtPdCu nanoparticles with a Pt-enriched surface, formed by the dealloying action of acetic acid, exhibit superior durability and catalytic activity…”
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Template- and surfactant-free synthesis of ultrathin CeO sub(2) nanowires in a mixed solvent and their superior adsorption capability for water treatment by Yu, Xiao-Fang, Liu, Jian-Wei, Cong, Huai-Ping, Xue, Lei, Arshad, Muhammad Nadeem, Albar, Hassan A, Sobahi, Tariq R, Gao, Qiang, Yu, Shu-Hong

“…Ultrathin CeO sub(2) nanowires with a diameter of 5 nm and an aspect ratio of more than 100 can be prepared by a one-step refluxing approach in a mixed solvent…”
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Template- and surfactant-free synthesis of ultrathin CeO2 nanowires in a mixed solvent and their superior adsorption capability for water treatment† †Electronic supplementary information (ESI) available: X-ray diffraction (XRD) pattern, EELS spectra, FT-IR spectrum, schematic diagram of ultrathin CeO2 nanowire formation, TEM images of as-synthesized ceria nanowires with different reaction times and adsorption capacities (Q m) for Congo red and heavy metal ions on various adsorbents. See DOI: 10. by Yu, Xiao-Fang, Liu, Jian-Wei, Cong, Huai-Ping, Xue, Lei, Arshad, Muhammad Nadeem, Albar, Hassan A., Sobahi, Tariq R., Gao, Qiang, Yu, Shu-Hong

“…Ultrathin CeO 2 nanowires can be prepared by a one-step refluxing approach in a mixed solvent without any templates or surfactants, and exhibit excellent…”
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Aziridination and 1,3-Dipolar Cycloaddition of 2,6-Dibenzylidenecyclohexanone by A. Albar, Hassan, Fawcett, John, R. Russell, D.

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Carbon-supported PtCo2Ni2 alloy with enhanced activity and stability for oxygen reduction by Zheng, Ya-Rong, Gao, Min-Rui, Li, Hui-Hui, Gao, Qiang, Arshad, Muhammad Nadeem, Albar, Hassan A., Sobahi, Tariq R., Yu, Shu-Hong

“…The commercialization of proton exchange membrane fuel cells (PEMFCs) is still restricted by the well-known dilemma, that is, the heavy dependence of using…”
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Kooperative Katalyse bei der Glycosidierung mit O‐Glycosyltrichloracetimidaten als Glycosyldonoren by Geng, Yiqun, Kumar, Amit, Faidallah, Hassan M., Albar, Hassan A., Mhkalid, Ibrahim A., Schmidt, Richard R.

“…Organokatalyse in der Glycosidierung: Thioharnstoff vermittelt die kooperative Katalyse durch Wasserstoffbrücken. So unterstützt N,N′‐Diarylthioharnstoff als…”
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Risk factors and morbidity in patients with placenta previa accreta compared to placenta previa non-accreta by Zaki, Z M, Bahar, A M, Ali, M E, Albar, H A, Gerais, M A

“…Placenta accreta is associated with high morbidity and most cases occur with placenta previa. This study was carried out in an attempt to define risk factors…”
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Synthesis of Novel Cyclic Benzenesulfonylurea and Thiourea Derivatives by Faidallah, Hassan M., Albar, Hassan A., Makki, Mohamad S. I., Sharshira, E. M.

“…Treatment of the pyrazoline derivatives (1-6) with isocyanates or isothiocyanates afforded ureas (7-18) and thioureas (19-32) in a good yield. Subsequent…”
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