U. el-Ayaan

发表

Transition metal complexes of Vanillin-4N-(2-pyridyl) thiosemicarbazone (H2VPT); thermal, structural and spectroscopic studies

I. M. Gabr, G. A. El-Reash, U. el-Ayaan, 2010 .

Mixed-Ligand Copper(II) Complexes with the Rigid Bidentate Bis(N-arylimino)acenaphthene Ligand: Synthesis, Spectroscopic-, and X-ray Structural Characterization

Y. Fukuda, K. Shibayama, U. el-Ayaan, 2001 .

Molecular modeling, spectral, and biological studies of 4-formylpyridine-4N-(2-pyridyl) thiosemicarbazone (HFPTS) and its Mn(II), Fe(III), Co(II), Ni(II), Cu(II), Cd(II), Hg(II), and UO2(II) complexes

R. Arafa, U. el-Ayaan, Nashwa M. El Metwally, 2014, Journal of Thermal Analysis and Calorimetry.

Synthesis and Biological Activity of Drug Delivery System Based on Chitosan Nanocapsules

M. Gouda, M. Youssef, U. el-Ayaan, 2014 .

Synthesis, structural and solvent influence studies on solvatochromic mixed-ligand copper(II) complexes with the rigid nitrogen ligand: bis[N-(2,4,6-trimethylphenyl)imino]acenaphthene

Y. Fukuda, U. el-Ayaan, F. Murata, 2004 .

Structural studies of mixed-ligands copper(II) and copper(I) complexes with the rigid nitrogen ligand: bis[N-(2,6-diisopropylphenyl)imino]acenaphthene

Y. Fukuda, U. el-Ayaan, Adriana Paulovicova, 2003 .

Synthesis and structural studies of diamagnetic first-row transition metal complexes with the rigid nitrogen ligand: bis[ N -(2,6-diisopropylphenyl)imino]acenaphthene

K. Umezawa, Y. Ohashi, Y. Fukuda, 2002 .

Anisotropic Effect after Stretching of the Spin-Crossover Compound [Fe(II)(2,6-bis-(benzimidazol-2′-yl)pyridine)2] (C1O4)2 in Polyvinylalcohol Polymer Matrix

F. Renz, W. Linert, Y. Fukuda, 1999 .

Synthesis and characterization of binary and ternary oxovanadium complexes of N,N′‐(2‐pyridyl)thiourea and curcumin: Catalytic oxidation potential, antibacterial, antimicrobial, antioxidant and DNA interaction studies

M. Youssef, M. S. Adam, U. el-Ayaan, 2017 .

Fluorescence, cyclic voltammetric, computational, and spectroscopic studies of Mn(II), Co(II), Pd(II), Zn(II) and Cd(II) complexes of Salen ligand and their biological applications

G. A. El-Reash, U. el-Ayaan, Doaa M. Belal, 2022, Journal of Molecular Structure.

Anaerobic oxidation of dopamine by iron(III)

W. Linert, R. Jameson, U. el-Ayaan, 1997 .

A kinetic study of the reaction between noradrenaline and iron(III): an example of parallel inner- and outer-sphere electron transfer

W. Linert, R. Jameson, U. el-Ayaan, 1998 .

Mn(II), Co(II), Zn(II), Fe(III) and U (VI) complexes of 2-acetylpyridine 4N-(2-pyridyl) thiosemicarbazone (HAPT); structural, spectroscopic and biological studies

S. Al-Shihry, M. Youssef, U. el-Ayaan, 2009 .

Synthesis, antimicrobial activity and molecular modeling study of substituted 5-aryl-pyrimido[5,4-c]quinoline-2,4-diones

S. Al-Shihry, M. Ismail, R. Arafa, 2013, Journal of enzyme inhibition and medicinal chemistry.

Thermal, spectroscopic, and solvent influence studies on mixed-ligand copper(II) complexes containing the bulky ligand: Bis[N-(p-tolyl)imino]acenaphthene.

I. M. Gabr, U. el-Ayaan, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Synthesis, antimicrobial activity and molecular modeling of cobalt and nickel complexes containing the bulky ligand: bis[N-(2,6-diisopropylphenyl)imino] acenaphthene.

A. Abdel-Aziz, U. el-Ayaan, 2005, European journal of medicinal chemistry.

First row transition metal complexes of (E)-2-(2-(2-hydroxybenzylidene) hydrazinyl)-2-oxo-N-phenylacetamide complexes.

T. Yousef, U. el-Ayaan, G. A. Abu El‐Reash, 2011, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Synthesis, Spectral and Magnetic Investigation of 4-(2-pyridyl)-1-salicylaldehyde-3-thiosemicarbazone

P. Weinberger, W. Linert, G. A. El-Reash, 2000 .

Synthesis, Spectroscopic, and Magnetic Properties of Some Transition Metal Complexes with 4‐(2‐Pyridyl)‐1‐(diacetylmonoxime)‐3‐thiosemicarbazide

I. Kenawy, G. A. El-Reash, U. el-Ayaan, 2003 .

Synthesis, thermal and spectral studies of first-row transition metal complexes with Girard P reagent-based ligand.

I. Kenawy, U. el-Ayaan, Y. El-Reash, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

The Crystal Structure of Bis[N-(2,6-diisopropylphenyl)imino] Acenaphthene and Studies of its Copper(I) and Copper(II) Complexes

S. Yamada, Y. Fukuda, U. el-Ayaan, 2003 .

Synthesis, characterization and X-ray crystal structures of two five-coordinate ternary copper(II) complexes containing acetylacetonate with 1,10-phenanthroline and 2,9-dimethyl phenanthroline

Y. Fukuda, U. el-Ayaan, A. Paulovicova, 2001 .

Synthesis, Spectral and Magnetic Investigation of 4(2-Pyridyl)-Isatin-3-Thiosemlcarbazone Complexes

G. A. El-Reash, U. el-Ayaan, M. Khattab, 1992 .

Structural, pH-Metric, and Conductance Studies of 4-(2-Pyridyl)-1-(2-hydroxyacetophenone)-3-thiosemicarbazone (H2PHAT) Complexes

I. Kenawy, U. el-Ayaan, M. Khattab, 1994 .

Transition metal complexes of 3-acetylpyridine 4 N-(2-pyridyl)thiosemicarbazone (HAPS); structural, spectroscopic, and biological studies

U. el-Ayaan, 2012 .

Thermochromism and Solvatochromism in Solution

Yutaka Fukuda, Usama El-Ayaan, Fumiko Murata, 2001 .

Perchlorate mixed-ligand copper(II) complexes of beta-diketone and ethylene diamine derivatives: thermal, spectroscopic and biochemical studies.

S. A. E. El Bialy, M. Youssef, U. el-Ayaan, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Spin-Transition in [Fe(II)(2,6-Bis-(Benzimidazol-2′-yl)pyridine)2] (CIO4)2: Hysteresis Effect Dependent on the Matrix

F. Renz, W. Linert, Y. Fukuda, 1999 .

Experimental spin-crossover investigations on charged and neutral iron(II) complexes with 4-substituted-2,6-bis-(benzimidazol-2′-yl)pyridine

F. Renz, W. Linert, G. Wiesinger, 1997 .

Complete spin crossover in tris(pyridylbenzimidazole) iron(II)

R. Boča, F. Renz, W. Linert, 1997 .

Synthesis and Structural Studies of Group 2B Transition Metal Complexes with the Bulky Nitrogen Ligand Bis[N-(2,6-diisopropylphenyl) imino]acenaphthene

U. el-Ayaan, 2004 .

Solvatochromism, DNA binding, antitumor activity and molecular modeling study of mixed-ligand copper(II) complexes containing the bulky ligand: bis[N-(p-tolyl)imino]acenaphthene.

S. Al-Shihry, A. Abdel-Aziz, U. el-Ayaan, 2007, European journal of medicinal chemistry.

STUDY ON THE COMPLEX FORMATION BETWEEN N-PROPYLSALICYLIDENE BASED ON SILICA AS ION EXCHANGER AND SOME TRANSITION METAL IONS

K. Abou-El-Sherbini, M. Khalil, Y. Fukuda, 2008 .

STUDY ON THE COMPLEX FORMATION BETWEEN N-PROPYLSALICYLIDENE BASED ONSILICA AS ION EXCHANGER AND SOME TRANSITION METAL IONS

Y. Fukuda, U. el-Ayaan, Abou-El-Sherbini Kh.S., 2002 .

Pt(II), Pd(II) and UO2(II) complexes of N,N′-bis(2-pyridyl)thiourea; structural, thermal and biological studies

U. el-Ayaan, 2011 .

Invited Review Thermochromism and Solvatochromism in Solution

Y. Fukuda, U. el-Ayaan, F. Murata, 2002 .

Photochemical and DNA degradation studies on tenoxicam, lornoxicam, and their photolysis products

S. Al-Shihry, J. Mattay, M. Letzel, 2017, Monatshefte für Chemie - Chemical Monthly.

Oxidation Efficiencies of High Spin Fe(II)–Azo Amino Acid Complexes by Potassium Peroxydisulfate: Initial State–Transition State Solvation Effects

M. S. Adam, U. el-Ayaan, A. D. Mohamad, 2016, Journal of Solution Chemistry.

Kinetic Studies on the Formation and Decomposition of Bis(peroxo)oxochromium(VI) in Aqueous Solution

W. Linert, U. el-Ayaan, Rosmarie Reisacher, 1999 .