Optimization of the adsorption of lead (II) by hydroxyapatite using a factorial design: Density functional theory and molecular dynamics

Autor: L. El Hammari, R. Hamed, K. Azzaoui, S. Jodeh, S. Latifi, S. Saoiabi, O. Boukra, A. Krime, A. Boukra, A. Saoiabi, B. Hammouti, M. M. Khan, R. Sabbahi, G. Hanbali, A. Berisha, M. Taleb, O. Dagdag

Publikováno v: Frontiers in Environmental Science, Vol 11 (2023)

Hydroxyapatite (HAp) synthesized through a wet chemical procedure was used to adsorb lead (II) from an aqueous solution. HAp was characterized using Fourier transform infrared, X-ray diffraction, Brunauer–Emmett–Teller analysis, and scanning elec

Externí odkaz: https://doaj.org/article/5f5121fe67794a7a8b3d59d6471351a0

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Organically modified porous hydroxyapatites: A comparison between alkylphosphonate grafting and citrate chelation

Autor: A. Laghzizil, A. Saoiabi, Cécile Roux, Thibaud Coradin, Jacques Livage, L. El-Hammari, H. Marroun

Publikováno v: Journal of Solid State Chemistry
Journal of Solid State Chemistry, 2008, 181, pp.848-854
Journal of Solid State Chemistry, Elsevier, 2008, 181, pp.848-854

Two alternative methods to prepare organically modified porous hydroxyapatites following a 'one pot' approach were compared. The partial substitution of inorganic phosphates by alkylphosphonates leads to mesoporous materials with high specific surfac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42a916ebd483c7a813add6f3577b2637
https://doi.org/10.1016/j.jssc.2008.01.030

Crystallinity and fluorine substitution effects on the proton conductivity of porous hydroxyapatites

Autor: L. El Hammari, A. Laghzizil, Khalid Lahlil, Philippe Barboux, A. Saoiabi

Publikováno v: Journal of Solid State Chemistry. 177:134-138

Porous calcium hydroxyapatite (p-HAp) was prepared by wet chemical methods. The poorly crystalline structure and the high surface specific area (235 m 2 /g) of this hydroxyapatite have effects on the variation of the electrical properties. Good linea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae65f0fdb9f9ac674b25407c46ee47d2
https://doi.org/10.1016/s0022-4596(03)00356-6

Chemical modification of porous calcium hydroxyapatite surfaces by grafting phenylphosphonic and phenylphosphite acids

Autor: A. Saoiabi, L. El Hammari, Michel Meyer, Abdelaziz Laghzizil, Philippe Barboux

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Colloids and Surfaces A: Physicochemical and Engineering Aspects, Elsevier, 2006, 289, pp.84-88. 〈10.1016/j.colsurfa.2006.04.009〉
Colloids and Surfaces A: Physicochemical and Engineering Aspects, Elsevier, 2006, 289, pp.84-88. ⟨10.1016/j.colsurfa.2006.04.009⟩

It is well known that the incorporation of organic molecules can provide an effective route to modify the surface properties of apatite ceramics. The present study shows that phosphonates can react with calcium ions to control the formation of the hy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab3d8b30256961aeb75a45f6dd64a8cd
https://hal.archives-ouvertes.fr/hal-00458537