Výsledky vyhledávání - "Nora M. Hilal"

Synthesis, characterization, interaction with anionic dye, biodegradability, and antimicrobial activity of cationic surfactants: quaternary hydrazinium derivatives

Autor: Entsar M. Ahmed, Entsar E. Badr, E. M. Kandeel, El-Shimaa Hassan Gomaa, Nora M. Hilal, Rabab A. Ismail

Publikováno v: Journal of the Iranian Chemical Society. 18:3047-3060

A novel cationic surfactant type of N'alkyl N,'N'dimethyl-4-morpholino-4-oxobutanoylhydrazinium iodide (10a–12a) and N'alkyl N', N'dimethyl-4-piperidino-4-oxobutanoylhydrazinium iodide (10b–12b) of quaternary hydrazinium moieties in hydrophilic p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82f8e27d137e9e8d271913840c6f7f3f
https://doi.org/10.1007/s13738-021-02247-3

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REMOVAL OF POLLUTANT TEXTILE DYE FROM AQUEOUS SOLUTION USING MIXED NANOCOMPOSITE OF IRON /ALUMINA OXIDE AND ITS MODIFIED WITH CATIONIC SURFACTANTS

Autor: O. E. Mostafa, Nora M. Hilal

Publikováno v: Al-Azhar Bulletin of Science. 29:125-143

Nanocomposites of mixed iron/aluminum oxide (Fe2O3- Al2O3) were prepared by hydrothermal method and modified with a cationic surfactant CTAB for the removal of dye (C.I Acid Orange 67). The morphology and size of the obtained nanocomposites were char

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https://doi.org/10.21608/absb.2018.33774

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Utilizing some synthesized nanostructured materials to improve the functional properties of cotton fabric for possible applications

Autor: Rania Mohamed Mahmoud, Aziza Mohamed Hussien, Amina Abdel Rahman Elsisi, El-Shimaa Hassan Gomaa, Nora M. Hilal, Asrar Gomaa Elsayed

Publikováno v: Egyptian Journal of Chemistry.

The potential of the synthesized Copper Oxide (CuO)and Graphene Oxide (GO)nanostructures as an efficient modifier for cotton fabric surface, to enhance its functional properties when dyed with C.I. Reactive Yellow 160 (RY 160) was investigated. For t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c34dc9be284ab09cefa827d1eef0d40b
https://doi.org/10.21608/ejchem.2020.22838.2387

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Application of modified Maple Wood Saw Dust with Polyaniline for the Removal of Anionic Dyes From Waste water : Kinetics and IsothermStudies

Autor: U. A. Ghiat, Nora M. Hilal, A. A. El-Bayaa, Nagwa A. Badawy, Abeer A. Emam

Publikováno v: Journal of Scientific Research in Science. 34:575-591

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4c15aa2a6e09695e08f64475d608466
https://doi.org/10.21608/jsrs.2018.14716

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Improving Dyeing Parameters of Polyester/Cotton Blended Fabrics by Caustic Soda, Chitosan, and Their Hybrid

Autor: Nora M. Hilal, Amina Abdel Rahman Elsisi, shimaa gomaa

Publikováno v: Egyptian Journal of Chemistry. 63:2-3

The production of polyester fibers has been dynami‌cally increased, accompanied by the common use of polyester-cotton blends. In this research work, polyester (100%), cotton (100%), and polyester-cotton blend fabrics (50/50) have been subjected to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::765e043aab8032d886c338389fca5ea3
https://doi.org/10.21608/ejchem.2020.25571.2498

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Improvement of Dyeing and Antimicrobial Properties of Cotton Fabrics Through Pre-treatment with Silver Nanoparticles

Autor: shimaa gomaa, Nora M. Hilal, Samia H. Abofarha

Publikováno v: Egyptian Journal of Chemistry.

Silver nanoparticles have been synthesized by chemical reduction of silver salt solution, characterized by its surface plasmon resonance peak in absorption spectra at 425 nm. The studies were carried out by scanning electron microscopy (SEM), transmi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9992337a5985abf89b2ac1100fd6479
https://doi.org/10.21608/ejchem.2019.13705.1846

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Study of Disappearing ink Writings on Different Types of Documents

Autor: Nora M. Hilal, Rania H. Twfiq

Publikováno v: Egyptian Journal of Chemistry.

Disappearing inks are used in textile industry such as dressmaking crafts and as a kind of teaching material; for example, printed questions are visible and the spaces for an answer exhibit invisible disappearing ink. The answers only become visible

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1c950d88b05eb91a7506ca942599897
https://doi.org/10.21608/ejchem.2019.13062.1816

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Synthetic and application of a novel resin from waste foam packing for adsorption of Acid Orange 67 from aqueous solution

Autor: Nagwa A. Badawy, Nora M. Hilal, Heba Mohamed Elrefay, Omaima Ibrahim Mostafa

Publikováno v: Bulletin of the National Research Centre, Vol 43, Iss 1, Pp 1-18 (2019)

Background The type of dyes used in textile industries are synthetic dyes which are toxic and cause harm to the aquatic ecosystem; in this paper, adsorptive removal of dye Color Index Acid Orange 67 pollutant from aqueous solutions using a novel resi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aa0e947b16d3af4ce8e789ffe7dd5d2
https://doi.org/10.1186/s42269-019-0093-y

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Activated and Nonactivated Date Pits Adsorbents for the Removal of Copper(II) and Cadmium(II) from Aqueous Solutions

Autor: Ragaa E. El-Sayed, Nora M. Hilal, Inas A. Ahmed

Publikováno v: ISRN Physical Chemistry.

The present study aims to investigate the adsorption behavior of Cu(II) and Cd(II) ions from wastewater onto low-cost adsorbents either raw date pits (RDP), cheap agricultural and nontoxic materials, or chemically activated carbon (ADP) prepared by m

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