Citations (34)
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Nagwa H.S. Ahmed, Gamal R. Saad, Abdelgawad A. Fahmi & Ahmed M. Abdelfattah. (2022) Synthesis and mesomorphic properties of laterally fluoro azo/ ester based on four ring compounds with a wide range mesophase thermal stability. Liquid Crystals 49:5, pages 666-678.
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Hoda A. Ahmed & Mohamed A. El-Atawy. (2021) Synthesis, mesomorphic and geometrical approaches of new non-symmetrical system based on central naphthalene moiety. Liquid Crystals 48:14, pages 1940-1952.
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Nagwa H.S. Ahmed & Gamal R. Saad. (2021) Effect of replacing the terminal phenyl ring with 3-pyridyl and inversion of imine linkage on the mesophase behaviour of four-ring azo/ester/Schiff base compounds. Liquid Crystals 48:9, pages 1217-1230.
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Nagwa H. S. Ahmed, Aya M. Abdelrahman, Abdelgwad A. Fahmi, Gamal R. Saad & Magdi M. Naoum. (2020) Effect of replacing an azo group with an azomethine one on the mesophase behaviour of four-ring azo/ester/azomethine compounds bearing two terminal alkoxy groups. Liquid Crystals 47:10, pages 1409-1420.
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M. Hagar, H.A. Ahmed & G.R. Saad. (2020) New calamitic thermotropic liquid crystals of 2-hydroxypyridine ester mesogenic core: mesophase behaviour and DFT calculations. Liquid Crystals 47:1, pages 114-124.
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Ahmed A. Sultan, Abdelgawad A. Fahmi, Gamal R. Saad & Magdi M. Naoum. (2019) Effect of orientation of lateral fluorine atom on the mesophase behaviour of azo/ester molecules with terminal naphthyl group. Liquid Crystals 46:15, pages 2322-2333.
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H. A. Ahmed, M. Hagar & G.R. Saad. (2019) Impact of the proportionation of dialkoxy chain length on the mesophase behaviour of Schiff base/ester liquid crystals; experimental and theoretical study. Liquid Crystals 46:11, pages 1611-1620.
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Nesma E. Mahmoud, Gamal R. Saad, Abdelgawad A. Fahmi & Magdi M. Naoum. (2018) Effect of including extra phenylazo moiety on the mesophase behaviour of three-ring azo/ester molecules. Liquid Crystals 45:11, pages 1711-1722.
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M. Hagar, H. A. Ahmed & G. R. Saad. (2018) Mesophase stability of new Schiff base ester liquid crystals with different polar substituents. Liquid Crystals 45:9, pages 1324-1332.
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Gamal R. Saad, Nagwa H.S. Ahmed, Abdelgawad A. Fahmi & Magdi M. Naoum. (2018) Effect of orientation of lateral methyl substituent on the thermal behaviour of the mesophase in binary systems of 4-substituted phenyl 4ʹ-(4”-alkoxy phenylazo) benzoates. Liquid Crystals 45:8, pages 1177-1185.
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Ashraf M. Ashmawy, Sayed K. Attia, Maher I. Nessim, El sayed M. Elnaggar & Ali A. El-Bassoussi. (2018) Study on some azo liquid crystals as antioxidants for local base oil. Molecular Crystals and Liquid Crystals 668:1, pages 78-90.
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A. M. Ashmawy, M. I. Nessim, E. M. Elnaggar & D. I. Osman. (2017) Preparation and evaluation of some novel liquid crystals as antioxidants. Molecular Crystals and Liquid Crystals 643:1, pages 188-198.
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Magdi M. Naoum, Abdelgawad A. Fahmi, Nagwa H.S. Ahmed & Gamal R. Saad. (2015) The effect of lateral methyl substitution on the mesophase behaviour of aryl 4-alkoxyphenylazo benzoates. Liquid Crystals 42:11, pages 1627-1637.
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Magdi M. Naoum, Abdelgawad A. Fahmi, Nagwa H.S. Ahmed & Gamal R. Saad. (2015) The effect of inversion of the ester group on the mesophase behaviour of some azo/ester compounds. Liquid Crystals 42:9, pages 1298-1308.
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H.A. Ahmed. (2015) Mesophase stability in binary mixtures of monotropic nematogens. Liquid Crystals 42:1, pages 70-80.
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Magdi M. Naoum, Abdelgawad A. Fahmi, Amira H. Abaza & Gamal R. Saad. (2014) Effect of exchange of terminal substituents on the mesophase behaviour of some azo/ester compounds. Liquid Crystals 41:11, pages 1559-1568.
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Marta Podruczna, Anna Hofmańska, Izabela Niezgoda, Damian Pociecha & Zbigniew Galewski. (2014) Influence of terminal groups on liquid-crystalline polymorphism of selected azobenzene derivatives. Liquid Crystals 41:1, pages 113-125.
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K.C. Majumdar, Tapas Ghosh, D.S. Shankar Rao & S. Krishna Prasad. (2011) 2-phenylbenzoxazole-containing calamitic liquid crystals: synthesis and characterisation. Liquid Crystals 38:5, pages 625-632.
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M.M. Naoum, A.A. Fahmi, M.A. Alaasar & M.E. Abdel-Aziz. (2011) Effect of lateral substitution of different polarity on the mesophase behaviour in pure and mixed states of 4-(4′-substituted phenylazo)-2-substituted phenyl-4″-alkoxy benzoates. Liquid Crystals 38:4, pages 391-405.
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M.M. Naoum, S.Z. Mohammady$suffix/text()$suffix/text() & H.A. Ahmed. (2010) Lateral protrusion and mesophase behaviour in pure and mixed states of model compounds of the type 4-(4′-substituted phenylazo)-2-(or 3-)methyl phenyl-4'-alkoxy benzoates. Liquid Crystals 37:10, pages 1245-1257.
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MagdiM. Naoum, Abdel Gawad.A. Fahmi & WedadA. Almllal. (2010) Supramolecular Liquid Crystals Induced by Hydrogen-Bonding Interactions between Non-Mesomorphic Compounds. II. Effect of Lateral Substitution. Molecular Crystals and Liquid Crystals 518:1, pages 109-128.
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Ewa BiaŁecka‐Florjańczyk, Ewa Majewska, Dorota Melon‐Ksyta, Irma Śledzińska, Jan Przedmojski & Ewa Górecka. (2006) The influence of structural changes of the N‐substituent on liquid crystalline behaviour of ester imides. Liquid Crystals 33:10, pages 1143-1151.
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SayedZ. Mohamady, RefaatI. Nessim, OlaR. Shehab & MagdiM. Naoum. (2006) Effect of Steric Factor on Mesomorphic Stability, II: Binary Mixtures of Homologues of 4-(4′-Substituted Phenylazo)-1-naphthyl-4″-alkoxybenzoates. Molecular Crystals and Liquid Crystals 451:1, pages 53-64.
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RefaatI. Nessim, MagdiM. Naoum & MaherI. Nessim. (2005) Effect of molecular structure on the phase behaviour of some liquid crystalline compounds and their mixtures XIV. Binary mixtures of 4‐(4‐substituted phenylazo) phenyl‐4‐alkoxybenzoates. Liquid Crystals 32:7, pages 867-876.
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Sayed Z. Mohammady, Refaat I. Nessim, Ola R. Shehab & Magdi M. Naoum. (2005) Effect of steric factors on mesomorphic stability I. 4‐(4‐Substituted phenylazo)‐1‐naphthyl 4‐alkoxybenzoates. Liquid Crystals 32:4, pages 477-482.
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Articles from other publishers (9)
M. Fakhrulrazi Nawawi, Noordini M. Salleh, Vannajan Sanghiran Lee & Sit-Foon Cheng. (2023) Synthesis, characterization and structure-mesomorphic properties relationship of palm-based azo-ester bridged liquid crystals from caprylic acid. Industrial Crops and Products 199, pages 116765.
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Salhah H. Alrefaee, Hoda A. Ahmed, Mohd Taukeer Khan, Khulood A. Al-Ola, Hanaa AL-Refai & Mohamed A. El-Atawy. (2022) New Self-Organizing Optical Materials and Induced Polymorphic Phases of Their Mixtures Targeted for Energy Investigations. Polymers 14:3, pages 456.
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Salma A. Al-Zahrani, Hoda A. Ahmed, Mohamed A. El-atawy, Khulood A. Abu Al-Ola & Alaa Z. Omar. (2021) Synthetic, Mesomorphic, and DFT Investigations of New Nematogenic Polar Naphthyl Benzoate Ester Derivatives. Materials 14:10, pages 2587.
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Marco Saccone, Michael Pfletscher, Sven Kather, Christoph Wölper, Constantin Daniliuc, Markus Mezger & Michael Giese. (2019) Improving the mesomorphic behaviour of supramolecular liquid crystals by resonance-assisted hydrogen bonding. Journal of Materials Chemistry C 7:28, pages 8643-8648.
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O. V. Potemkina, S. A. Kuvshinova & O. I. Koifman. (2019) Modern Advances in the Preparation of Phenyl Benzoate Derivatives and Their Applied Properties. Russian Journal of General Chemistry 89:3, pages 597-611.
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R. K. Bamezai, A. Soni, Z. Vakhovskaya & H. Kresse. (2009) Dielectric studies on binary mixtures of systems exhibiting intermediate nematic phase. Russian Journal of Physical Chemistry A 83:13, pages 2283-2287.
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Chung-Shu Wang, I-Wen Wang, Kung-Lung Cheng & Chung K. Lai. (2006) The effect of polar substituents on the heterocyclic benzoxazoles. Tetrahedron 62:40, pages 9383-9392.
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Refaat I. Nessim, Sayed Z. Mohamady, Ola R. Shehab & Magdi M. Naoum. (2006) Phase behaviour of the binary mixtures of substituted analogues of LC compounds of the type 4-(4′-substituted phenylazo)-1-naphthyl-4″-alkoxybenzoates. Thermochimica Acta 449:1-2, pages 61-66.
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Refaat I. Nessim. (2005) Phase behaviour of binary mixtures of LC compounds of different molecular structure and comparable molecular length. Thermochimica Acta 439:1-2, pages 142-150.
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