Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Abdel Ghaffar Maghraby El Demerdash"'
Autor:
Radwa Mohamed Abdelaziz, Azza El-Maghraby, Wagih Abdel-Alim Sadik, Abdel-Ghaffar Maghraby El-Demerdash, Eman Aly Fadl
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-17 (2022)
Abstract Biodegradable cellulose nanocrystals hydrogels (CNCsH) were synthesized from cellulose nanocrystals (CNCs) which were prepared from office wastepaper (OWP) by a chemical crosslinking method using epicholorohydrin (ECH) as a cross-linker. CNC
Externí odkaz:
https://doaj.org/article/f75c071803054e08ae5fe7761f56f879
Autor:
Ahmed Mohamed Omer, Wagih Abdel-Alim Sadik, Abdel-Ghaffar Maghraby El-Demerdash, Heba Shawky Hassan
Publikováno v:
Journal of Saudi Chemical Society, Vol 25, Iss 12, Pp 101384- (2021)
The objective of this study is to develop efficient pH-sensitive hydrogel based on aminated chitosan (AmCs) and gelatin (Gel) biopolymers for oral drug delivery. Herein, AmCs was chemically crosslinked with gelatin (Gel) biopolymer with different rat
Externí odkaz:
https://doaj.org/article/35a5a0740ce74504bdb31d6c8bad9d0f
Publikováno v:
Journal of Polymers and the Environment. 29:1600-1615
The principal objective of this study was to assess the capability of waste rice husk fibers as reinforcement for recycled plastics. The fabrication of Wood-plastic composites (WPCs) based on rice husk (RH) fibers and recycled linear low polyethylene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1b60953c55992b310e79c5cbcfe861b
https://doi.org/10.1007/s10924-020-01983-6
https://doi.org/10.1007/s10924-020-01983-6
Autor:
Ahmed M. Omer, Randa E. Khalifa, Tamer M. Tamer, Mohamed S. Mohy-Eldin, Abdel Ghaffar Maghraby El Demerdash, Wagih A. Sadik, Nada Adel Abdelwahed
Publikováno v:
Polymer Bulletin. 78:6649-6673
A reusable adsorbent was developed based on semi-interpenetrated hydrogel made of poly(vinyl alcohol) (PVA) and poly(2-acrylamido-2-methylpropane sulfonic acid) (PAMPS) for the adsorptive removal of cationic methylene blue (MB) dye. The developed PVA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::501e0343f9af4a914e8968c0d854de32
https://doi.org/10.1007/s00289-020-03456-1
https://doi.org/10.1007/s00289-020-03456-1
Publikováno v:
Journal of Thermoplastic Composite Materials. 35:2032-2051
The main goal of this work was to assess the technical feasibility of palm rachis (PR) as a reinforcing agent in the production of wood–plastic composites. Recycled linear low-density polyethylene/PR fiber composites were prepared at constant conte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae006da41cdd06219ea340bce1d90f17
https://doi.org/10.1177/0892705720944213
https://doi.org/10.1177/0892705720944213
Autor:
Ahmed El Hefnawy, Wael I. El Dessouky, Abdel Ghaffar Maghraby El Demerdash, Rafik Abbas, Wagih A. Sadik
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss 3, Pp 368-377 (2017)
Superhydrophobic metal substrates have been fabricated by a simple spraying method. The processes of decreasing surface free energy and increasing surface roughness have been accomplished in one step via the addition of functionalized silica (silica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b55b0080dc6e0e3f2a2c23a6fea196f
http://www.sciencedirect.com/science/article/pii/S1878535215003391
http://www.sciencedirect.com/science/article/pii/S1878535215003391
Publikováno v:
Journal of Composite Materials. 49:3251-3262
Recycled high density polyethylene/sugarcane bagasse fiber composites were prepared by melt mixing using a two-roll mill and compression molding. The effects of the sugarcane bagasse fibers content and the addition of compatibilizing agent maleated p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65485c9b11520f0fbb58e730e36a2200
https://doi.org/10.1177/0021998314561484
https://doi.org/10.1177/0021998314561484
Publikováno v:
Cellulose. 22:887-896
Superhydrophobic surfaces are highly hydrophobic, i.e., extremely difficult to wet. Such surfaces have water contact angle (WCA) exceeds 150° and water sliding angle (WSA)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ff20787bd106c94f60e6a79122ef5a8
https://doi.org/10.1007/s10570-014-0514-x
https://doi.org/10.1007/s10570-014-0514-x
Publikováno v:
International Journal of Nanoparticles. 7:156
In this paper, a simple method of preparing superhydrophobic self-cleaning polypropylene coating for biomedical applications is reported. The effect of several factors on the preparation of superhydrophobic polypropylene (PP) surfaces has been studie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7eae3c5b703b50146eb313af3a37884
https://doi.org/10.1504/ijnp.2014.067595
https://doi.org/10.1504/ijnp.2014.067595