Works by El‐Sayed, Refat

Results: 22

Utility of Octadecyl Amine in the Synthesis of Various Nitrogen Heterocycles: A Preliminary Investigation on Their Surface and Biological Activities.

Published in:

Journal of Heterocyclic Chemistry, 2016, v. 53, n. 4, p. 1183, doi. 10.1002/jhet.2378

By:

El ‐ Sayed, Refat;
Ahmed, Saleh A.

Publication type:

Article

Synthesis of Some New Thiazole, Oxazole, Pyrimidine and Pyridazine Derivatives from 2-cyano- N-octadecyl-acetamide as Antimicrobial and Surface Active Agents.

Published in:

Journal of Heterocyclic Chemistry, 2016, v. 53, n. 1, p. 121, doi. 10.1002/jhet.2288

By:

El ‐ Sayed, Refat;
Ahmed, Saleh A

Publication type:

Article

Synthesis of Various Nitrogen Heterocycles as Antimicrobial Surface Agents.

Published in:

Journal of Heterocyclic Chemistry, 2014, v. 51, n. 5, p. 1251, doi. 10.1002/jhet.1918

By:

El ‐ Sayed, Refat;
Asghar, Basim H.

Publication type:

Article

NaOH-Activated Natural Glauconite for Low-Cost Adsorption of Congo Red Dye.

Published in:

Water (20734441), 2023, v. 15, n. 21, p. 3753, doi. 10.3390/w15213753

By:

Hamd, Ahmed;
Salah, Doaa;
Alyafei, Huda Fadol;
Soliman, Nofal K.;
El-Reedy, Ahmed A. M.;
Elzanaty, Ali M.;
Al-Saeedi, Sameerah I.;
Al-Ghamdi, Azza;
Shaban, Mohamed;
El-Sayed, Refat;
Ahmed, Sayed A.

Publication type:

Article

Synthesis and Evaluation of Polyfunctionally Substituted Heterocyclic Compounds Derived from 2-Cyano- N -(5-pentadecyl-1,3,4-thiadiazol-2-yl)acetamide.

Published in:

Synthetic Communications, 2015, v. 45, n. 7, p. 886, doi. 10.1080/00397911.2014.984852

By:

El-Sayed, Refat;
Shaldom, Amani;
Mazrouee, Layla Al

Publication type:

Article

Synthesis of Pyrimidine and Pyran Derivatives with the Related Systems and the Study of Their Behavior in the Liquid Solutions.

Published in:

Journal of Heterocyclic Chemistry, 2019, v. 56, n. 8, p. 2134, doi. 10.1002/jhet.3607

By:

El‐Sayed, Refat;
Katouah, Hanadi A.

Publication type:

Article

Synthesis, Surface, and Antimicrobial Activity of Hydrophobically Thiadiazole, Pyridazine, and Pyrimidine Systems Based on Surface Active Agents.

Published in:

Journal of Heterocyclic Chemistry, 2018, v. 55, n. 3, p. 660, doi. 10.1002/jhet.3084

By:

Althagafi, Ismail;
El‐Sayed, Refat

Publication type:

Article

Effect of natural organic residues on the adsorption capacity of layered silicate alumina clay.

Published in:

International Journal of Environmental Analytical Chemistry, 2025, v. 105, n. 5, p. 1132, doi. 10.1080/03067319.2023.2285373

By:

Soliman, N. K.;
Alyafei, Huda Fadol;
El-Reedy, Ahmed A. M.;
El-Sayed, Refat;
Al-Senani, Ghadah M.;
Alshabanat, Mashael N.;
Mohamed, S. H.;
Shaban, Mohamed;
Debbabi, Khaled F.;
Hamd, Ahmed

Publication type:

Article

Experimentally and theoretically approaches for Congo red dye adsorption on novel kaolinite-alga nano-composite.

Published in:

International Journal of Environmental Analytical Chemistry, 2023, v. 103, n. 18, p. 7229, doi. 10.1080/03067319.2021.1969378

By:

Rady, Doaa;
Shaban, Mohamed;
Elsayed, Khaled N. M.;
Hamd, Ahmed;
Soliman, N. K.;
Abd El-Mageed, H. R.;
Elzanaty, Ali M.;
El-Sayed, Refat;
Morad, Moataz;
El-Bahy, Salah M.;
Ahmed, Sayed A.

Publication type:

Article

Design, synthesis and evaluation of anticancer activity of novel 2-thioxoimidazolidin-4-one derivatives bearing pyrazole, triazole and benzoxazole moieties.

Published in:

Chemistry Central Journal, 2018, v. 12, n. 1, p. 1, doi. 10.1186/s13065-018-0418-1

By:

Elhady, Heba A.;
El-Sayed, Refat;
Al-nathali, Hamedah S.

Publication type:

Article

Fluorene Derivatives with Multi-addressable Properties: Synthesis, Characterization, and Reactivity.

Published in:

Journal of Surfactants & Detergents, 2017, v. 20, n. 4, p. 933, doi. 10.1007/s11743-017-1958-4

By:

El‐Sayed, Refat;
Althagafi, Ismail I.;
Ahmed, Saleh A.

Publication type:

Article

Synthesis of Potential Pharmaceutical Heterocycles as Surface Active Agents.

Published in:

Journal of Surfactants & Detergents, 2017, v. 20, n. 3, p. 681, doi. 10.1007/s11743-017-1936-x

By:

Howsaway, Hamida O.;
El‐Sayed, Refat

Publication type:

Article

Synthesis of Biodegradable Pyrazole, Pyran, Pyrrole, Pyrimidine and Chromene Derivatives having Medical and Surface Activities.

Published in:

Journal of Surfactants & Detergents, 2016, v. 19, n. 6, p. 1153, doi. 10.1007/s11743-016-1881-0

By:

El-Sayed, Refat

Publication type:

Article

Synthesis of Ecofriendly Functionalized Oxadiazole, Imidazole, Triazole and Pyridine Derivatives.

Published in:

Journal of Surfactants & Detergents, 2016, v. 19, n. 2, p. 325, doi. 10.1007/s11743-015-1768-5

By:

El‐Sayed, Refat;
Shaldom, Amani;
Mazrouee, Layla Al

Publication type:

Article

Propoxylated Fatty Thiazole, Pyrazole, Triazole, and Pyrrole Derivatives with Antimicrobial and Surface Activity.

Published in:

Journal of Surfactants & Detergents, 2015, v. 18, n. 4, p. 661, doi. 10.1007/s11743-015-1684-8

By:

El-Sayed, Refat;
Khairou, Khalid S.

Publication type:

Article

Enhancing the anticorrosion performance of mild steel in sulfuric acid using synthetic non-ionic surfactants: practical and theoretical studies.

Published in:

Green Chemistry Letters & Reviews, 2021, v. 14, n. 2, p. 382, doi. 10.1080/17518253.2021.1921858

By:

Abdallah, Metwally;
El Guesmi, Nizar;
Al-Gorair, Arej S.;
El-Sayed, Refat;
Meshabi, Aseel;
Sobhi, Mohamed

Publication type:

Article

Pro-Apoptotic Activity of Epi -Obtusane against Cervical Cancer: Nano Formulation, In Silico Molecular Docking, and Pharmacological Network Analysis.

Published in:

Pharmaceuticals (14248247), 2023, v. 16, n. 11, p. 1578, doi. 10.3390/ph16111578

By:

Abdelhafez, Omnia Hesham;
Abdel-Rahman, Islam M.;
Alaaeldin, Eman;
Refaat, Hesham;
El-Sayed, Refat;
Al-Harbi, Sami A.;
Shawky, Ahmed M.;
Hegazy, Mohamed-Elamir F.;
Moustafa, Alaa Y.;
Shady, Nourhan Hisham

Publication type:

Article

Comprehensive evaluation of zeolite/marine alga nanocomposite in the removal of waste dye from industrial wastewater.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-34094-y

By:

Hamd, Ahmed;
Shaban, Mohamed;
Al-Senani, Ghadah M.;
Alshabanat, Mashael N.;
Al-Ghamdi, Azza;
Dryaz, Asmaa Ragab;
Ahmed, Sayed A.;
El-Sayed, Refat;
Soliman, N. K.

Publication type:

Article

Assessment of new designed surfactants as eco-friendly inhibitors for the corrosion of steel in acidic environment and evaluation of their biological and surface features: thermodynamic, kinetic and mechanistic aspects.

Published in:

Journal of Adhesion Science & Technology, 2022, v. 36, n. 18, p. 1993, doi. 10.1080/01694243.2021.1997039

By:

Fawzy, Ahmed;
El-Sayed, Refat;
Al Bahir, Areej;
Morad, Moataz;
Althagafi, Ismail;
Althagafy, Khalid

Publication type:

Article

Aluminum Silicate Organic Framework for the Removal of Industrial Organic Toxins.

Published in:

Journal of Nanotechnology, 2024, v. 2024, p. 1, doi. 10.1155/jnt/7876272

By:

Hamd, Ahmed;
Yafei, Huda F.;
El-Reedy, Ahmed A. M.;
Al-Saeedi, Sameerah I.;
Al-Ghamdi, Azza;
Shaban, Mohamed;
El-Sayed, Refat;
Debbabi, Khaled F.;
Sari, Abdullah Ali A.;
Soliman, N. K.;
Mandal, Amit

Publication type:

Article

Synthesis of an Efficiency Heterocyclic Systems, Surface Properties and Potential Pharmacological Interest.

Published in:

Journal of Oleo Science, 2018, v. 67, n. 8, p. 991, doi. 10.5650/jos.ess17222

By:

El-Sayed, Refat

Publication type:

Article

Solution blowing spinning technology and plasma-assisted oxidation-reduction process toward green development of electrically conductive cellulose nanofibers.

Published in:

Environmental Science & Pollution Research, 2021, v. 28, n. 40, p. 56363, doi. 10.1007/s11356-021-14615-w

By:

Katouah, Hanadi A.;
El-Sayed, Refat;
El-Metwaly, Nashwa M.

Publication type:

Article