Schiff Bases and Their Metal Complexes Derived from Ortho-phthalaldehyde: A review

Dhefaf H. Badri

Details

Publication Date

Sun Jan 31 2021

Journal Name

Systematic Reviews In Pharmacy

Volume

12

Issue Number

2

Choose Citation Style

Statistics

View publication

39

Statistics

Schiff Bases and Their Metal Complexes Derived from Ortho-phthalaldehyde: A review

Trimethoprim Amino acids Schiff base Bioactivity Metal complexes

Dhefaf H. Badri

...Show More Authors

Trimethoprim derivative Schiff bases are versatile ligands synthesized with carbonyl groups from the condensation of primary amines (amino acids). Because of their broad range of biological activity, these compounds are very important in the medical and pharmaceutical fields. Biological activities such as antibacterial, antifungal and antitumor activity are often seen. Transition metal complexes derived from biological activity Schiff base ligands have been commonly used.

Publication Date

Wed Mar 01 2023

Journal Name

Iranian Journal Of Materials Science And Engineering

First-Principles Analysis of Cr-Doped SrTiO3 Perovskite as Optoelectronic Materials

Perovskite oxide-lead-free ceramics

Cr3+ metal doping

Band gap

Elastic constants

First-principles calculations

Optoelectronics.

Hussein A.

Zainab N.

Mohammednoor

M Mahbubur

Auday Tariq

Ebtisam M-T.

...Show More Authors

The influence of Cr3+ doping on the ground state properties of SrTiO3 perovskite was evaluated using GGA-PBE approximation. Computational modeling results infered an agreement with the previously published literature. The modification of electronic structure and optical properties due to Cr3+ introducing into SrTiO3 were investigated. Structural parameters assumed that Cr3+ doping alters the electronic structures of SrTiO3 by shifting the conduction band through lower energies for the Sr and Ti sites. Besides, results showed that the band gap was reduced by approximately 50% when presenting one Cr3+ atom into the SrTiO3 system and particularly positioned at Sr sites. Interestingly, substituting Ti site by Cr3+ led to eliminating the band ga

(11)

Publication Date

Tue Jun 01 2021

Journal Name

Int. J. Nonlinear Anal. Appl.

Fibrewise totally perfect mapping

Fibrewise totally topological space

filter base

totally converges

totally closed mapping

totally rigid a set

totally perfect mapping.

Y.Y.

...Show More Authors

The main purpose of this paper is to introduce a some concepts in fibrewise totally topological space which are called fibrewise totally mapping, fiberwise totally closed mapping, fibrewise weakly totally closed mapping, fibrewise totlally perfect mapping fibrewise almost totally perfect mapping. Also the concepts as totally adherent point, filter, filter base, totally converges to a subset, totally directed toward a set, totally rigid, totally-H-set, totally Urysohn space, locally totally-QHC totally topological space are introduced and the main concept in this paper is fibrewise totally perfect mapping in totally top

Publication Date

Wed Mar 10 2021

Journal Name

Baghdad Science Journal

Some Types of Mappings in Bitopological Spaces

Keywords. Filter base

nm- j-ω-converges

nm- j-ω-directed toward a set

nm- j-ω- closed mappings

j-ω- continuous mappings

j-ω-rigid a set

nm- j-ω-perfect mappings.

G. S.

Yousif

...Show More Authors

This work, introduces some concepts in bitopological spaces, which are nm-j-ω-converges to a subset, nm-j-ω-directed toward a set, nm-j-ω-closed mappings, nm-j-ω-rigid set, and nm-j-ω-continuous mappings. The mainline idea in this paper is nm-j-ω-perfect mappings in bitopological spaces such that n = 1,2 and m =1,2 n ≠ m. Characterizations concerning these concepts and several theorems are studied, where j = q , δ, a , pre, b, b.

View Publication Preview PDF

(15)

(8)

1 2 3 4 ... 1966 1967 1968 1969