Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Hesham M. Alsoghier"'
Autor:
Hesham M. Alsoghier, Mohamed Abd-Elsabour, Abdulrahman G. Alhamzani, Mortaga M. Abou-Krisha, Hytham F. Assaf
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Herein, a novel electrochemical sensor that was used for the first time for sensitive and selective detection of dopamine (DA) was fabricated. The new sensor is based on the decoration of the glassy carbon electrode surface (GC) with a polym
Externí odkaz:
https://doaj.org/article/5e29b6c58e3e46ababf9c1065d92c57d
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract In this study, 4-phenylthiazol-2-yl-(phenylhydrazono) acetonitrile (PTPA) azo dye was synthesized and studied from optical and electrical point of view. The tautomerization phenomenon of the PTPA dye was clarified using one-dimensional (1D)
Externí odkaz:
https://doaj.org/article/8e581ccc0d874570a7a60b9cd8ffc688
Autor:
M. Abd-Elsabour, Hesham M. Alsoghier, Abdulrahman G. Alhamzani, Mortaga M. Abou-Krisha, Tarek A. Yousef, Hytham F. Assaf
Publikováno v:
Nanomaterials, Vol 12, Iss 14, p 2354 (2022)
A simple electrochemical sensor for nicotine (NIC) detection was performed. The sensor based on a glassy carbon electrode (GCE) was modified by (1,2-naphthoquinone-4-sulphonic acid)(Nq) decorated by graphene oxide (GO) nanocomposite. The synthesized
Externí odkaz:
https://doaj.org/article/a772f76e20c1458698d87dbac27feed4
Autor:
Safaa El-Nahas, Abdulrahem S. Arafat, Hanan Salah El Din, Abdulrahman G. Alhamzani, Mortaga M. Abou-Krisha, Hesham M. Alsoghier
Publikováno v:
Molecules, Vol 26, Iss 22, p 6777 (2021)
The strategic idea in this work was to increase pH values by employing natural alkali sources (i.e., HCO3− and CO32−) from four tested agro-ashes as an alternative to chemicals (i.e., lime or soda ash). The considerable proportion of carbonates a
Externí odkaz:
https://doaj.org/article/7e23f60f994e4ddfad504ea245c14958
Autor:
Mohamed Abd-Elsabour, Hytham F. Assaf, Ahmed M. Abo-Bakr, Abdulrahman G. Alhamzani, Mortaga M. Abou-Krisha, Aamal A. Al-Mutairi, Hesham M. Alsoghier
Publikováno v:
New Journal of Chemistry. 47:131-139
In this work, a green-electrochemical synthesis was applied to catechol oxidation (1) to o-benzoquinone (2) using cyclic voltammetry and potential controlled coulometry.
Autor:
H. M. A. Salman, A.A. Abuelwafa, M.A. Selim, M.A. Santos, Hesham M. Alsoghier, Tetsuo Soga, M. Dongol, Said A. Ibrahim, H.M. Rageh
Publikováno v:
Journal of Molecular Structure. 1179:315-324
The azo dye 1,3-benzothiazol-2-yl-(phenylhydrazono)acetonitrile (BTPA) was synthesized and structurally characterized by different spectroscopic techniques, including two dimensional 1H and 13C NMR as well as optical absorption and emission spectra.
Autor:
Abdulrahman Ghonaim G. Alhamzani, Ahmed M. Abo-Bakr, Hesham M. Alsoghier, Hytham F. Assaf, Mohamed Abd-Elsabour, M. M. Abou-Krisha
Publikováno v:
SSRN Electronic Journal.
In this work, a green-electrochemical synthesis was applied on oxidation of catechol (1) to o -benzoquinone (2) using cyclic voltammetry and controlled potential coulometry. Encouraging results were obtained and has been investigated in the presence
Publikováno v:
Optik. 234:166618
The out of a plane (OOP) distortions in the geometric structure of Nickel (II) tetraphenylporphyrin (NiTPP) were calculated by quantum chemical calculation using semi-empirical PM3, PM6, and DFT methods. NiTPP thin films were deposited onto FTO subst
Publikováno v:
Journal of inorganic biochemistry. 163
Three novel potentially site-activated multitarget tacrine-(hydroxybenzoyl-pyridone) (TAC-HBP) hybrids were designed, synthesized and evaluated as acetylcholinesterase (AChE) inhibitors, antioxidants and biometal chelators. All of them are dual-bindi