Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Ibrahim M.M. Kenawy"'
Autor:
Kareem A. Nabieh, Wael I. Mortada, Tamer E. Helmy, Ibrahim M.M. Kenawy, Yasmeen G. Abou El-Reash
Publikováno v:
Heliyon, Vol 7, Iss 1, Pp e06062- (2021)
Bio-matrix of rice husk and Mobil Composition of Matter No. 41 (MCM-41) was modified with alizarin red S for preconcentration of Pd2+ prior flame atomic absorption spectrometric determination. The prepared bio-matrix (RH@MCM-41@ARS) was characterized
Externí odkaz:
https://doaj.org/article/350e4a398aef439bafe526bd128baf25
Autor:
Zainab Abd Elbary, Khaled S. Abou-El-Sherbini, Ibrahim M.M. Kenawy, Abdalla A. Mousa, M. A. H. Hafez
Publikováno v:
Sustainable Environment Research, Vol 31, Iss 1, Pp 1-14 (2021)
The adsorption process of the industrialized dye Isolan Dark Blue 2SGL-01 (IDB) onto (Mg-Zn)/(Al-Fe)-(CO3)/Cl layered double hydroxides (LDHs) coded LDH21 and LDH22 and its calcined products CLDHs (CLDH21 and CLDH22), respectively, was investigated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::587930f53f8e2d3a3675146095ee216e
https://doaj.org/article/373cdf1fa9454b4c8e4b27ac7fe18a7c
https://doaj.org/article/373cdf1fa9454b4c8e4b27ac7fe18a7c
Publikováno v:
Environmental Science and Pollution Research. 27:7256-7266
In this study, nano-sized cellulose modified with lactic acid (MW-Ce-LA) was prepared with the assistant of microwave then used for the adsorption of Cu2+ from real samples. This modified cellulose was characterized by means of FTIR, TEM, XRD, and el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8021a2ebf4788532dd2421db928b0c91
https://doi.org/10.1007/s11356-019-07426-7
https://doi.org/10.1007/s11356-019-07426-7
Publikováno v:
International Journal of Biological Macromolecules. 115:625-634
The new ion-imprinted guanyl-modified cellulose (II.Gu-MC) was prepared for the separation and determination of Cu (II) ions in different real samples. Several techniques such as Fourier Transform Infrared (FT-IR), scanning electron microscope (SEM),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e34c038d08d8d71113fbefbae152656
https://doi.org/10.1016/j.ijbiomac.2018.04.100
https://doi.org/10.1016/j.ijbiomac.2018.04.100
Publikováno v:
Microporous and Mesoporous Materials. 258:217-227
Herein, we report the organized investigation on adsorption of Cd(II) and Hg(II) by thioglycolic acid modified mesoporous silica nanoparticles prepared by the sol-gel procedure. The modification process is enhanced by microwave irradiation. The morph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3b43034506d22a0d3528d76e8e07122
https://doi.org/10.1016/j.micromeso.2017.09.021
https://doi.org/10.1016/j.micromeso.2017.09.021
Autor:
Mohamed H. Abdel-Rhman, G. G. El-Gamal, S. M. N. Moalla, Wael I. Mortada, Ibrahim M.M. Kenawy
Publikováno v:
Journal of Trace Elements in Medicine and Biology. 44:266-273
2-(3-Ethylthioureido)benzoic acid was prepared and characterized by electronic spectrum, elemental analysis, Fourier transform infrared spectroscopy, 1H nuclear magnetic resonance spectrum and mass spectrum. The produced ligand was applied for the pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae2617f38e7eafe2dfcee59eeeca1f80
https://doi.org/10.1016/j.jtemb.2017.09.003
https://doi.org/10.1016/j.jtemb.2017.09.003
Publikováno v:
Journal of Environmental Chemical Engineering. 5:3447-3454
A new selective molecular imprinted polymer (MIP) for solid phase extraction of profenofos (PFF) from aqueous solutions was synthesized by acrylonitrile grafted cotton fibers with hydrazine hydrate in presence of PFF as a template and glutraldhyde as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::131b1666080013c0a9ed0451885af5d3
https://doi.org/10.1016/j.jece.2017.07.012
https://doi.org/10.1016/j.jece.2017.07.012
Publikováno v:
International Journal of Biological Macromolecules. 101:490-501
Microwave assisted preparation of cellulose modified with gallic acid (MA-Cell-GA) was developed for high efficient adsorption of Al3+. The as-prepared modified cellulose has been characterized by elemental analysis, Fourier transform infrared spectr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::631d3c558aa07622e4ecea1c5a5123ef
https://doi.org/10.1016/j.ijbiomac.2017.03.027
https://doi.org/10.1016/j.ijbiomac.2017.03.027
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 313:69-77
A micro-cloud point extraction method was discussed for preconcentration and spectrophotometric quantification of U(VI). The method depends on complex formation between U(VI) and 2-(4-sulphophenyloazo)-1,8-dihydroxy-3,6-naphtalenedisulphonic acid (SP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bfb27d7753c5d6532eb721b6c336f1a
https://doi.org/10.1007/s10967-017-5281-3
https://doi.org/10.1007/s10967-017-5281-3
Publikováno v:
Carbohydrate polymers. 237
A new hydrazono-imidazoline modified cellulose (HI MC) was synthesized for selective recovery of Pt(IV), Pd(II) and Au(III) from geological samples. Cellulose was oxidized by periodate and was further functionalized with hydrazono-imidazoline moietie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15ecc8854afcc01cbdacfcdd82e96eb5
https://pubmed.ncbi.nlm.nih.gov/32241404
https://pubmed.ncbi.nlm.nih.gov/32241404