Zobrazeno 1 - 10
of 520
pro vyhledávání: '"F. Hamza"'
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
We introduce a mathematical model of unsteady thermoelectric MHD flow and heat transfer of two immiscible fractional second-grade fluids, with thermal fractional parameters αi and mechanical fractional parameters βi, i=1,2. The Laplace transform wi
Externí odkaz:
https://doaj.org/article/7686e732c33b4fdf8551e1a1240af594
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-16 (2022)
Abstract Selenium nanoparticles (Se-NPs) has recently received great attention over owing to their superior optical properties and wide biological and biomedical applications. Herein, crystallographic and dispersed spherical Se-NPs were green synthes
Externí odkaz:
https://doaj.org/article/3a3ba486db3c4cb998cee7f112b31ed9
Autor:
Amr Fouda, Ahmed M. Eid, Mohamed Ali Abdel-Rahman, Ehab F. EL-Belely, Mohamed A. Awad, Saad El-Din Hassan, Zarraq E. AL-Faifi, Mohammed F. Hamza
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 10 (2022)
Herein, the metabolites secreted by brown algae, Cystoseira crinita, were used as biocatalyst for green synthesis of magnesium oxide nanoparticles (MgO-NPs). The fabricated MgO-NPs were characterized using UV-vis spectroscopy, Fourier transforms infr
Externí odkaz:
https://doaj.org/article/7600ba9f066a4358aca737695682a057
Autor:
Mohammed F. Hamza, Eric Guibal, Khalid Althumayri, Thierry Vincent, Xiangbiao Yin, Yuezhou Wei, Wenlong Li
Publikováno v:
Molecules, Vol 27, Iss 20, p 7128 (2022)
Sulfonic resins are highly efficient cation exchangers widely used for metal removal from aqueous solutions. Herein, a new sulfonation process is designed for the sulfonation of algal/PEI composite (A*PEI, by reaction with 2-propylene-1-sulfonic acid
Externí odkaz:
https://doaj.org/article/abb8edaa596641d0ae97bbf0c80edc05
Publikováno v:
In Computational Materials Science August 2019 166:303-310
Autor:
Mohammed F. Hamza, Hanaa A. Abu Khoziem, Mahmoud S. Khalafalla, Walid M. Abdellah, Doaa I. Zaki, Khalid Althumayri, Yuezhou Wei
Publikováno v:
Toxics, Vol 10, Iss 9, p 490 (2022)
The development of new materials based on biopolymers (as renewable resources) is substantial for environmental challenges in the heavy metal and radionuclide ions removal contaminations. Functionalization of chitosan with sulfonic groups was achieve
Externí odkaz:
https://doaj.org/article/61556f7445ae4f0b88ffa912655ebecf
Autor:
Amr Fouda, Mohamed A. Awad, Zarraq E. AL-Faifi, Mohammed E. Gad, Areej A. Al-Khalaf, Reham Yahya, Mohammed F. Hamza
Publikováno v:
Catalysts, Vol 12, Iss 5, p 462 (2022)
Aspergillus flavus F5 was used to reduce AgNO3 to form silver nanoparticles (Ag-NPs) that were monitored by a color change from colorless to yellowish-brown. The characterizations were achieved by UV-Vis spectroscopy, FT-IR, TEM, SEM-EDX, and XRD. Da
Externí odkaz:
https://doaj.org/article/fe8e2bd64856404c97b6b13aa81abe9a
Publikováno v:
Heliyon, Vol 6, Iss 9, Pp e04896- (2020)
Herein, CuO/ZnO nanocomposites at different ratios were successfully synthesized through a green biosynthesis approach. This was performed by harnessing the fungal-secreted enzymes and proteins during the sol-gel process for nanocomposites seed growt
Externí odkaz:
https://doaj.org/article/e4b0c24c679f4f87b2f255fc651e10d3
Autor:
Mohamed A. Amin, Mohamed A. Ismail, Ali A. Badawy, Mohamed A. Awad, Mohammed F. Hamza, Mohamed F. Awad, Amr Fouda
Publikováno v:
Catalysts, Vol 11, Iss 12, p 1551 (2021)
The application of green nanotechnology in agriculture has been receiving substantial attention, especially in the development of new nano-fertilizers and nano-insecticides. Herein, the metabolites secreted by the fungal strain Penicillium chrysogenu
Externí odkaz:
https://doaj.org/article/1168cc69fda547a5851e5e38501ef97d
Publikováno v:
Applied Sciences, Vol 11, Iss 18, p 8377 (2021)
The necessity of decontaminating effluents for the dual purpose of environmental beneficiation and valorization of low-grade resources is driving the development of new sorbents. The functionalization of biopolymers is a promising strategy for improv
Externí odkaz:
https://doaj.org/article/d43dc06796da44f0b3401ce5cd58e151