Results 21 to 30 of about 63,819 (305)

Mononuclear and Tetranuclear Copper(II) Complexes Bearing Amino Acid Schiff Base Ligands: Structural Characterization and Catalytic Applications

Molecules, 2021
Two new glycine-Schiff base copper(II) complexes were synthesized. Single crystal X-ray diffraction (SCXRD) allowed us to establish the structure of both complexes in the solid state.
Karla-Alejandra López-Gastélum, Enrique F. Velázquez-Contreras, Juventino J. García, Marcos Flores-Alamo, Gerardo Aguirre, Daniel Chávez-Velasco, Jayanthi Narayanan, Fernando Rocha-Alonzo   +7 more
doaj   +1 more source

Base-Free Synthesis and Photophysical Properties of New Schiff Bases Containing Indole Moiety

, 2022
Schiff bases represent an essential class in organic chemistry with antitumor, antiviral, antifungal, and antibacterial activities. The synthesis of Schiff bases requires the presence of an organic base as a catalyst such as piperidine.
Josef Wachtveitl, Pedram Fatehi (1657375), Markus Braun (2029567), Ahmed I. A. Soliman (11335487), Mahmoud S. Tolba, Mostafa Ahmed, Aboel-Magd A. Abdel-Wahab (11335496), Mostafa Sayed (4785270), Ahmed I. A. Soliman, Mahmoud M. Elshanawany (3369236), Osama Younis (9635006), Josef Wachtveitl (698824), Mostafa Sayed, Aboel-Magd A. Abdel-Wahab, Mahmoud S. Tolba (9556930), Pedram Fatehi, Mahmoud M. Elshanawany, Markus Braun, Osama Younis, Mostafa Ahmed (4785267), Adel M. Kamal El-Dean (8200953), Adel M. Kamal El-Dean   +21 more
core   +1 more source

Schiff-Base Chemistry-Coupled Catechol Oxidase-Like Nanozyme Reaction as a Universal Sensing Mode for Ultrasensitive Biosensing

, 2023
Expanding sensing modes and improving catalytic performance of nanozyme-based analytical chemistry are beneficial to realizing the desired biosensing of analytes.
Sijie Liu, Shaochi Wang (7313249), Daohong Zhang (1746094), Lunjie Huang, Jing Sun, Peng Zhao, Yizhong Shen (4255528), Conghui Jia (10912087), Jing Sun (141206), Peng Wang, Conghui Jia, Mingqiang Zhu, Peng Zhao (128233), Lunjie Huang (4408393), Sijie Liu (123139), Jianlong Wang, Yizhong Shen, Peng Wang (34436), Xiang Gao, Mingqiang Zhu (1530739), Daohong Zhang, Xiang Gao (4077), Shaochi Wang, Yuechun Li (8889641), Jianlong Wang (438075), Yuechun Li   +25 more
core   +1 more source

Preparation, characterization, and adsorption properties of bis-salophen schiff base ligand immobilized on Fe3O4@SiO2 nanoparticles for removal of lead(II) from aqueous solutions [PDF]

شیمی کاربردی روز, 2023
Here in this research a novel bis-salophen schiff base ligand anchored magnetic Fe3O4@SiO2 nanoparticles was prepared and applied for removal of Pb(II) from aqueous solutions.
Mohsen Esmaeilpour, Majid Ghahraman Afshar, Milad Kazemnejadi   +2 more
doaj   +1 more source

A molecularly engineered bioderived polyphosphonate containing Schiff base towards fire-retardant PLA with enhanced crystallinity and mechanical properties

, 2023
To expand the practical application and realize sustainable development, it is urgent to develop advanced polylactide composites with fire retardancy and mechanically strong properties by utilizing bio-derived additives.
Zheng Pan, Pingan Song, Meng Zhang, Pan, Zheng, Jiabing Feng, Tianchen Zhang, Zhang, Tianchen, Zhou, Yonghong, Tian, Linfeng, Yijiao Xue, Fei Song, Feng, Jiabing, Linfeng Tian, Yonghong Zhou, Xue, Yijiao, Zhang, Meng, Song, Pingan, Song, Fei   +17 more
core   +1 more source

Synthesis and Theoretical Study of Some 2,4,6 Trihydroxyacetophenone Schiff base Ligandes [PDF]

Engineering and Technology Journal, 2015
Schiff bases have been synthesized, identified by FTIR and ultraviolet-visible (UV-Visible) spectroscopy. The theoretical calculations of Schiff base were studied through the optimized structures of the Schiff base ligand was obtained by density ...
Rashed Taleb Rashee, Mahammed Shamil Ali, Hadeel Salah Mansoor, Hasan R.Obayes, Abdulnasser M. AL-Gebori   +4 more
doaj   +1 more source

Synthesis, Characterization and Antibacterial Activity of Schiff Base, 4-Chloro-2-{(E)-[(4-Fluorophenyl)imino]methyl}phenol Metal (II) Complexes

Journal of Chemistry, 2020
A new series of Mn (II), Co (II), Ni (II), Cu (II), and Zn (II) complexes of the Schiff base ligand, 4-chloro-2-{(E)-[(4-fluorophenyl)imino]methyl}phenol (C13H9ClFNO), was synthesized in a methanolic medium.
F. K. Ommenya, E. A. Nyawade, D. M. Andala, J. Kinyua   +3 more
doaj   +1 more source

Enhancement of Cisplatin Cytotoxicity by Cu(II)–Mn(II) Schiff Base Tetradentate Complex in Human Oral Squamous Cell Carcinoma

Molecules, 2020
Oral squamous cell carcinoma (SCC) is one of the most predominant tumors worldwide and the present treatment policies are not enough to provide a specific solution. We aimed to assess the cytotoxic effect of Cu(II)–Mn(II) Schiff base tetradentate complex
Rasha H. Al-Serwi, Gamal Othman, Mohammed A. Attia, Eman T. Enan, Mohamed El-Sherbiny, Seham Mahmoud, Nehal Elsherbiny   +6 more
doaj   +1 more source

Shaping Silver Nanoparticles’ Size through the Carrier Composition: Synthesis and Antimicrobial Activity

Nanomaterials, 2023
The increasing resistance of bacteria to conventional antibiotics represents a severe global emergency for human health. The broad-spectrum antibacterial activity of silver has been known for a long time, and silver at the nanoscale shows enhanced ...
Margherita Cacaci, Giacomo Biagiotti, Gianluca Toniolo, Martin Albino, Claudio Sangregorio, Mirko Severi, Maura Di Vito, Damiano Squitieri, Luca Contiero, Marco Paggi, Marcello Marelli, Stefano Cicchi, Francesca Bugli, Barbara Richichi   +13 more
doaj   +1 more source

Synthesis and Characterization of Chitosan Linked by Methylene Bridge and Schiff Base of 4,4-Diaminodiphenyl Ether-Vanillin

Indonesian Journal of Chemistry, 2018
The synthesis chitosan-methylene bridge-Schiff base of 4,4-diaminodiphenyl ether-vanillin using casting method has been done. The aims of this research were modification chitosan with Schiff base of 4,4-diaminodiphenyl ether-vanillin, formaldehyde and ...
Ahmad Fatoni, Poedji Loekitowati Hariani, Hermansyah Hermansyah, Aldes Lesbani   +3 more
doaj   +1 more source