Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Hanan ElHaes"'
Autor:
Hend A. Ezzat, Nayera M. El‑Sayed, Dina Shehata, Hanan Elhaes, Asmaa Ibrahim, Haitham Kalil, Medhat A. Ibrahim, Moataz M. Yousef, Ibrahim S. Yahia, Heba Y. Zahran, Islam Gomaa
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Functionalization of cellulose with nanomaterials and functional groups is essential for enhancing its properties for specific applications, such as flexible sensors and printed electronics. This study employs Hartree Fock (HF) and Density F
Externí odkaz:
https://doaj.org/article/19a407fb365e435f82aaad54b9f42d2c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Due to its appealing qualities, such as its miniature size and the ability to modify physical properties through chemical synthesis and molecular design, polymer material offers considerable advantages over traditional inorganic material-bas
Externí odkaz:
https://doaj.org/article/77c8961119174b9da47ee5aeec3c8c9c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-24 (2024)
Abstract Modern laboratory medicine relies on analytical instruments for bacterial detection, focusing on biosensors and optical sensors for early disease diagnosis and treatment. Thus, Density Functional Theory (DFT) was utilized to study the reacti
Externí odkaz:
https://doaj.org/article/16e855563b1a4916b6f24a04530d9279
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract This study systematically investigated four types of graphene quantum dots (GQDs) AHEX, ZTRI, ZHEX, and ATRI, and their interactions with glycine to form GQD-glycine complexes. Utilizing density functional theory (DFT) and the PM6 semiempiri
Externí odkaz:
https://doaj.org/article/da3f8d938c19407a9684baabf5a4def3
Autor:
Khaled S. Amin, Mohamed M. Yassin, Yahia M. Abdallah, Yusuf M. Alsayyad, Hanan Elhaes, Medhat A. Ibrahim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Polylactic acid modified with graphene oxide (PLA/GO) is proposed to interact with ZnO through 6 different schemes. Density functional theory at B3LYP/LANL2DZ level was utilized to calculate total dipole moment (TDM), HOMO/LUMO energy gap (
Externí odkaz:
https://doaj.org/article/9de0711c4660494d81a838c7caad7277
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This study examined the functionalization of graphene with easily ionizable elements, such as lithium, and subsequently its interaction with the biopolymer sodium alginate (SA), to highlight its potential for biomedical applications. Utilizi
Externí odkaz:
https://doaj.org/article/4e35a983284d4c639700884a7f0e388f
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-20 (2023)
Abstract A 3-unit cellulose model molecule was built and optimized using DFT B3LYP/6-31G(d,p). The electronic properties of the optimized structure of cellulose were investigated in terms of total dipole moment (TDM), HOMO–LUMO band gap (ΔE), and
Externí odkaz:
https://doaj.org/article/f84180ab4ac840538b6f5971ab224b36
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-23 (2023)
Abstract Nanoparticles have substantially contributed to the field of skincare products with ultraviolet (UV) filters to preserve human skin from sun damage. Thus, the current study aims to develop new polymer nanocomposites for the efficient block o
Externí odkaz:
https://doaj.org/article/8fe993f0715544488b645f2cbfcb2edd
Autor:
Taha M. Tiama, Hanan Elhaes, Medhat A. Ibrahim, Ahmed Refaat, Mohamed A. M. El-Mansy, Noha M. Sabry
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Bioactive glass (BG) was prepared by sol–gel method following the composition 60-( $$x$$ x ) SiO2.34CaO.6P2O5, where x = 10 (FeO, CuO, ZnO or GeO). Samples were then studied with FTIR. Biological activities of the studied samples were proc
Externí odkaz:
https://doaj.org/article/eb3b505314e8454988746981f7d561dc
Autor:
Hend A. Ezzat, Maroof A. Hegazy, Rasha Ghoneim, Heba Y. Zahran, Ibrahim S. Yahia, Hanan Elhaes, Ahmed Refaat, Medhat A. Ibrahim
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Polytetrafluoroethylene (PTFE) is one of the most significant fluoropolymers, and one of the most recent initiatives is to increase its performance by using metal oxides (MOs). Consequently, the surface modifications of PTFE with two metal o
Externí odkaz:
https://doaj.org/article/d8a26dc5faa64289878c572dedc34a65