Heterodimeric hydrogen-bonded mesogens comprising pyridine moiety: a review

Deepak Devadiga and T. N. Ahipa

Liquid Crystals Reviews, 2020, 8, 5
DOI: 10.1080/21680396.2020.1816861

New calamitic thermotropic liquid crystals of 2-hydroxypyridine ester mesogenic core: mesophase behaviour and DFT calculations

M. Hagar, H.A. Ahmed and G.R. Saad

Liquid Crystals, 2020, 47, 114
DOI: 10.1080/02678292.2019.1631967

Characterization of New H-Bonded Liquid Crystalline Complexes Based on Iminophenyl Nicotinate

Rua B. Alnoman, Mohamed Hagar, Hoda A. Ahmed, Khulood A. Abu Al-Ola, Magdi M. Naoum, Fahad Al-Elati, Yousef Abdullah Zaid, Abdulrahman Alsharif, Yazeed Al-Juhani and Abdulmjeed Abulrhelh

Crystals, 2020, 10, 499
DOI: 10.3390/cryst10060499

Imine based Four-Ring Chalcone-Ester liquid Crystals: Synthesis, Characterization, mesomorphic behaviour and DFT approach

Kanu D. Katariya, Kiran J. Nakum, Harnish Soni, Shady Nada and Mohamed Hagar

Journal of Molecular Liquids, 2023, 380, 121719
DOI: 10.1016/j.molliq.2023.121719

Computational studies and mesophase behavior of newly prepared trifluoromethyl phenylazo phenyl alkoxy benzoate liquid crystals

Fowzia S. Alamro, Ali S. Alshomrany, Muna S. Khushaim, Nada S. Al-Kadhi, Magdi M. Naoum, Mohamed A. El-Atawy and Hoda A. Ahmed

Molecular Crystals and Liquid Crystals, 2025, 769, 564
DOI: 10.1080/15421406.2025.2494303

Chair- and V-Shaped of H-bonded Supramolecular Complexes of Azophenyl Nicotinate Derivatives; Mesomorphic and DFT Molecular Geometry Aspects

Omaima A. Alhaddad, Khulood A. Abu Al-Ola, Mohamed Hagar and Hoda A. Ahmed

Molecules, 2020, 25, 1510
DOI: 10.3390/molecules25071510

Hydrogen bond ferroelectric liquid crystal for tripartite temperature sensor: Experimental and computational (DFT) studies

V. N. Vijayakumar, S. Sundaram, T. Chitravel and V. Balasubramanian

Int. J. Mod. Phys. B, 2024, 38
DOI: 10.1142/S0217979224503326

Experimental and Computational Approaches of Newly Polymorphic Supramolecular H-Bonded Liquid Crystal Complexes

Laila A. Al-Mutabagani, Latifah Abdullah Alshabanah, Magdi M. Naoum, Mohamed Hagar and Hoda A. Ahmed

Front. Chem., 2020, 8
DOI: 10.3389/fchem.2020.571120

Synthesis, Mesomorphic and Computational Characterizations of Nematogenic Schiff Base Derivatives in Pure and Mixed State

Laila A. Al-Mutabagani, Latifah A. Alshabanah, Hoda A. Ahmed, Hafsa H. Alalawy and Mayada H. Al alwani

Molecules, 2021, 26, 2038
DOI: 10.3390/molecules26072038

Nematic Phase Induced from Symmetrical Supramolecular H-Bonded Systems Based on Flexible Acid Core

Hoda A. Ahmed and Muna S. Khushaim

Crystals, 2020, 10, 801
DOI: 10.3390/cryst10090801

Mesophase behavior of four ring ester/azomethine/ester liquid crystals in pure and mixed states

Omaima A. Alhaddad, Muna S. Khushaim, Sobhi M. Gomha, Hoda A. Ahmed and Magdi M. Naoum

Liquid Crystals, 2022, 49, 1395
DOI: 10.1080/02678292.2022.2037768

Theoretical, experimental and optical study of new thiophene-based liquid crystals and their positional isomers

Sherif S. Nafee, H. A. Ahmed and M. Hagar

Liquid Crystals, 2020, 47, 1291
DOI: 10.1080/02678292.2019.1710778

New architectures of supramolecular H-bonded liquid crystal complexes based on dipyridine derivatives

Sherif S. Nafee, Hoda A. Ahmed and Mohamed Hagar

Liquid Crystals, 2020, 47, 1811
DOI: 10.1080/02678292.2020.1733113

Photophysical and biological aspects of α, β‐unsaturated ketones: Experimental and in silico approach

Hafiza Saba Samreen, Ajaz Hussain, Muhammad Yar, Mohammed Battah Alshammari, Khurshid Ayub, Muhammad Adeel, Muhammad Tariq, Mehreen Lateef, Mohammed Afroz Bakht and Faiz Rasool

J Biochem & Molecular Tox, 2023, 37
DOI: 10.1002/jbt.23433

New Nitro-Laterally Substituted Azomethine Derivatives; Synthesis, Mesomorphic and Computational Characterizations

Mohamed A. El-atawy, Magdi M. Naoum, Salma A. Al-Zahrani and Hoda A. Ahmed

Molecules, 2021, 26, 1927
DOI: 10.3390/molecules26071927

New Liquid Crystal Assemblies Based on Cyano-Hydrogen Bonding Interactions

Mohamed Hagar, Hoda A. Ahmed, Rua B. Alnoman, Mariusz Jaremko, Abdul-Hamid Emwas, Salim Sioud and Khulood A. Abu Al-Ola

Front. Chem., 2021, 9
DOI: 10.3389/fchem.2021.679885

Biphenyls embedded Schiff base-bis esters: self-assembling behaviour, impact of additional aromatic ring and ester linkage and their DFT investigations

Rina Soni, Kiran J. Nakum, Kanu D. Katariya, Marium Gergis, Mohamed Hagar and Vinay S. Sharma

Liquid Crystals, 2024, 51, 1215
DOI: 10.1080/02678292.2024.2350044

Mesomorphic study and DFT simulation of calamitic Schiff base liquid crystals with electronically different terminal groups and their binary mixtures

H. A. Ahmed, Eman Mansour and Mohamed Hagar

Liquid Crystals, 2020, 47, 2292
DOI: 10.1080/02678292.2020.1794067

Design, synthesis, experimental and theoretical studies on hydrogen bond liquid crystal complexes (HBLC) derived from α, ω-dicarboxylic acid and alkyloxy benzoic acids

V. Balasubramanian, Ginson P. Joseph, S. Sundaram, V. N. Vijayakumar and R. Sukanya

Molecular Crystals and Liquid Crystals, 2024, 768, 110
DOI: 10.1080/15421406.2023.2277980

Synthesis and mesomorphic behaviors of a series of heterocyclic pyridine-imine-ester based liquid crystals

K.-L. Foo, S.-T. Ha, G.-Y. Yeap and H.-C. Lin

Phase Transitions, 2019, 92, 916
DOI: 10.1080/01411594.2019.1659265

Optical and Geometrical Characterizations of Non-Linear Supramolecular Liquid Crystal Complexes

Hoda A. Ahmed, Mohamed Hagar, Omaima A. Alhaddad and Ayman A. Zaki

Crystals, 2020, 10, 701
DOI: 10.3390/cryst10080701

The Synthesis of New Thermal Stable Schiff Base/Ester Liquid Crystals: A Computational, Mesomorphic, and Optical Study

Sherif Nafee, Mohamed Hagar, Hoda Ahmed, Reda El-Shishtawy and Bahaaudin Raffah

Molecules, 2019, 24, 3032
DOI: 10.3390/molecules24173032

A new chiral boron-dipyrromethene (BODIPY)-based fluorescent probe: molecular docking, DFT, antibacterial and antioxidant approaches

Rua B. Alnoman, Shazia Parveen, Mohamad Hagar, Hoda A. Ahmed and Julian G. Knight

Journal of Biomolecular Structure and Dynamics, 2020, 38, 5429
DOI: 10.1080/07391102.2019.1701555

Synthesis, Optical, and Geometrical Approaches of New Natural Fatty Acids’ Esters/Schiff Base Liquid Crystals

Rua Alnoman, Fares khalid Al-Nazawi, Hoda A. Ahmed and Mohamed Hagar

Molecules, 2019, 24, 4293
DOI: 10.3390/molecules24234293

Liquid Crystalline Mixtures with Induced Polymorphic Smectic Phases Targeted for Energy Investigations

Salma A. Al-Zahrani, Mohd Taukeer Khan, Violeta Jevtovic, Najat Masood, Yassin Aweis Jeilani, Hoda A. Ahmed and Fatimah M. Alfaidi

Crystals, 2023, 13, 645
DOI: 10.3390/cryst13040645

Fluorescent chiral nematogens derived from naturally occurring moieties

Bommanahalli Shivalingegowda Ranjitha, Kiamo Chongliu, Mahima Rabari, Ashishkumar Kantilal Prajapati and Govindaswamy Shanker

Liquid Crystals, 2025, 52, 1070
DOI: 10.1080/02678292.2025.2560465

Thermal and Photophysical Studies of Binary Mixtures of Liquid Crystal with Different Geometrical Mesogens

Omaima A. Alhaddad, Hoda A. Ahmed, Mohamed Hagar, Gamal R. Saad, Khulood A. Abu Al-Ola and Magdi M. Naoum

Crystals, 2020, 10, 223
DOI: 10.3390/cryst10030223

New two rings Schiff base liquid crystals; ball mill synthesis, mesomorphic, Hammett and DFT studies

Sherif S. Nafee, Mohamed Hagar, Hoda A. Ahmed, O.A. Alhaddad, Reda M. El-Shishtawy and Bahaaudin M. Raffah

Journal of Molecular Liquids, 2020, 299, 112161
DOI: 10.1016/j.molliq.2019.112161

Induced Wide Nematic Phase by Seven-Ring Supramolecular H-Bonded Systems: Experimental and Computational Evaluation

Latifah Abdullah Alshabanah, Laila A. Al-Mutabagani, Hoda A. Ahmed and Mohamed Hagar

Molecules, 2020, 25, 1694
DOI: 10.3390/molecules25071694

Pyridine-Based Three-Ring Bent-Shape Supramolecular Hydrogen Bond-Induced Liquid Crystalline Complexes: Preparation and Density Functional Theory Investigation

Sayed Z. Mohammady, Daifallah M. Aldhayan and Mohamed Hagar

Crystals, 2021, 11, 628
DOI: 10.3390/cryst11060628

Polymorphic Phases of Supramolecular Liquid Crystal Complexes Laterally Substituted with Chlorine

Fowzia S. Alamro, Omaima A. Alhaddad, Magdi M. Naoum and Hoda A. Ahmed

Polymers, 2021, 13, 4292
DOI: 10.3390/polym13244292

New Symmetrical U- and Wavy-Shaped Supramolecular H-Bonded Systems; Geometrical and Mesomorphic Approaches

Laila A. Al-Mutabagani, Latifah Abdullah Alshabanah, Hoda A. Ahmed, Mohamed Hagar and Khulood A. Abu Al-Ola

Molecules, 2020, 25, 1420
DOI: 10.3390/molecules25061420

Electronic and structure conformational analysis (HOMO-LUMO, MEP, NBO, ELF, LOL, AIM) of hydrogen bond binary liquid crystal mixture: DFT/TD-DFT approach

S. Sundaram, V.N. Vijayakumar and V. Balasubramanian

Computational and Theoretical Chemistry, 2022, 1217, 113920
DOI: 10.1016/j.comptc.2022.113920

Binary Liquid Crystal Mixtures Based on Schiff Base Derivatives with Oriented Lateral Substituents

Rua B. Alnoman, Mohamed Hagar, Hoda A. Ahmed, Magdi M. Naoum, Hanefah A. Sobaih, Jawaher S. Almshaly, Mawadh M. Haddad, Rana A. Alhaisoni and Tahani A. Alsobhi

Crystals, 2020, 10, 319
DOI: 10.3390/cryst10040319

Experimental and computational simulations of nematogenic liquid crystals based on cinnamic acid in pure and mixed state

Muna S. Khushaim, Hafsa H. Alalawy, Magdi M. Naoum and Hoda A. Ahmed

Liquid Crystals, 2021, 48, 1493
DOI: 10.1080/02678292.2021.1881832