Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Khalid Mahmoud Hassan"'
Autor:
Khalid Mahmoud Hassan, ElKhabiry Shaban, Ghada Mahmoud Elhaddad, Sameha Hassan Shokair, Mehboobali Pannipara, Ibrahim ElTantawy ElSayed
Publikováno v:
Journal of King Saud University: Science, Vol 34, Iss 1, Pp 101670- (2022)
A new heterocyclic azodye 4-({4-[(7-Chloroquinolin-4-yl)amino]phenyl}diazenyl)naphthalen-1-ol (CQAPDN) was synthesized by diazotization of 7-chloroquinolin-4-yl)benzene-1,4-diamine; followed by coupling with α-naphthol. Its structure was elucidated
Externí odkaz:
https://doaj.org/article/93b29a5ea406470c94c05903e77d4541
Publikováno v:
Sensing and Bio-Sensing Research, Vol 29, Iss , Pp 100369- (2020)
In this work, bimetallic film of mercury and bismuth (Hg-Bi) was incorporated with poly(1,2-diaminoanthraquinone)/glassy carbon electrode (PDAAQ/GC) using applied potential method. The obtained Hg-Bi/PDAAQ/GC electrode was characterized by square wav
Externí odkaz:
https://doaj.org/article/86a5ce2564bd42caba2ffa7937a9c03d
Autor:
Elkhabiry Shaban, Ghada Mahmoud Elhaddad, Asmaa B. Sallam, Ibrahim El Tantawy El Sayed, Khalid Mahmoud Hassan
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 1, Pp 83-94 (2022)
A series of azo dyes incorporated acridine chromophore labelled as 8 (a-d), 10 (a, b), 12 and 14 were prepared in very good yields starting from 9-chloroacridine 1 followed by amination, diazotization and coupling either with rhodanine analogues 6 (a
Autor:
Ghada Mahmoud Elhaddad, Sameha Hassan Shokair, Shaban Abdel Sattar ElKhabiery, Ibrahim El-Sayed, Khalid Mahmoud Hassan
Publikováno v:
Journal of the Iranian Chemical Society. 19:147-158
A set of five novel nitrogen-containing heterocyclic azo-disperse dyes 8 (a–d) and 10 were synthesized by diazotization of 4-bisaminoquinolines 3, followed by coupling either with rhodanine analogues 6 modified at C-5 position or α-naphthol 9. The
Autor:
A. A. Hathoot, Magdi Abdel Azzem, Ziad Khalifa, Khalid Mahmoud Hassan, Mohamed Fathi Abo oura
Publikováno v:
ACS Omega, Vol 5, Iss 30, Pp 18950-18957 (2020)
ACS Omega
ACS Omega
An advanced electroanalytical technique for the simultaneous assessment of environmental contaminant dihydroxybenzene isomers, catechol (CC), hydroquinone (HQ), and resorcinol (RC), has been investigated using palladium nanoparticles (PdNPs) incorpor
Autor:
A. A. Abd-El-Latif, A.S. Shatla, A. A. Hathoot, Khalid Mahmoud Hassan, Helmut Baltruschat, M. Abdel-Azzem
Publikováno v:
Journal of Electroanalytical Chemistry. 833:231-241
Comparative studies were carried out on the direct electrooxidation of formic acid at palladium (Pd), platinum (Pt), Pt/Pd and Pd/Pt nanoparticles (NPs) supported on poly 1,5‑diaminonaphthalene (PDAN)-modified glassy carbon electrode. Metal electro
Publikováno v:
Sensing and Bio-Sensing Research, Vol 29, Iss, Pp 100369-(2020)
In this work, bimetallic film of mercury and bismuth (Hg-Bi) was incorporated with poly(1,2-diaminoanthraquinone)/glassy carbon electrode (PDAAQ/GC) using applied potential method. The obtained Hg-Bi/PDAAQ/GC electrode was characterized by square wav
Autor:
Khalid Mahmoud Hassan
Publikováno v:
Journal of the Iranian Chemical Society. 15:1007-1014
A highly sensitive sensor based on Ni nanoparticles/poly (1,2-diaminoanthraquinone) modified electrode was fabricated at glassy carbon (GC) electrode (Ni/PDAAQ@GC ME) using cyclic voltammetry technique. The incorporation of nickel (II) ions nanoparti
Autor:
Ahmed A. Galhoum, Ahmed M. Masoud, Khalid Mahmoud Hassan, Yuka Sakai, Eric Guibal, Osman A. Desouky, Takaya Akashi
Publikováno v:
Reactive and Functional Polymers
Reactive and Functional Polymers, Elsevier, 2017, 113, pp.13-22. ⟨10.1016/j.reactfunctpolym.2017.02.001⟩
Reactive and Functional Polymers, Elsevier, 2017, 113, pp.13-22. ⟨10.1016/j.reactfunctpolym.2017.02.001⟩
International audience; Cellulose and chitosan have intrinsic sorption properties for Nd(III); however, their efficiency for metal recovery can be easily improved by a relatively simple chemical modification. The grating of aspartic acid via an inter
Publikováno v:
Microchimica Acta. 186
A glassy carbon (GC) electrode was modified with poly(1,8-diaminonaphthalene) (p-1,8-DAN) that was coated with silver nanoparticles (Ag NPs) (size: 10.0–60.0 nm by TEM) by electrodeposition process using cyclic voltammetry (CV) technique. The resul