In-situ study of substrate – catalyst interactions in a Juliá–Colonna epoxidation using quartz crystal microbalance with dissipation

Autor: Deborah Wakeham, Francesc Medina, Dana G. Crivoi, Anna M. Segarra, Mark W. Rutland

Publikováno v: Journal of Colloid and Interface Science. 469:263-268

Quartz crystal microbalance with dissipation (QCM-D) analysis of the hexa-l-Leucine (PLL)-catalyzed epoxidation of chalcone gives in-situ experimental evidences which demonstrate that the reaction proceeds mainly via the formation of a PLL-bound hydr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a3bcb417bb31725a3ecadb649a9b5d0
https://doi.org/10.1016/j.jcis.2016.01.076

Phosphoric acid intercalated Mg–Al hydrotalcite-like compounds for catalytic carboxylation reaction of methanol in a continuous system

Autor: Abdelhamid Ghorbel, Anna M. Segarra, Salwa Bougacha Ghorbel, Francisco Medina

Publikováno v: Applied Catalysis A: General. 493:142-148

Mg–Al-hydrotalcite-like catalysts (HTlcs) with different amount of P/Mg molar ratio were prepared via co-precipitation method and calcined at 450 °C. The synthesized catalysts were tested in the direct-carboxylation reaction of methanol in gas pha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0c033bf8a5e8a6765cf6c5370ec6fe6
https://doi.org/10.1016/j.apcata.2015.01.004

Bio-nanohybrid catalysts based on L-leucine immobilized in hydrotalcite and their activity in aldol reaction

Autor: Jesús E. Sueiras, Dana-Georgiana Crivoi, Ronald-Alexander Miranda, Jordi Llorca, Anna M. Segarra, Elisabetta Finocchio, Francisco Medina, Gianguido Ramis

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Applied Catalysis A-General
Recercat. Dipósit de la Recerca de Catalunya
instname

Nanohybrid materials based on L-leucine (L-Leu) and hydrotalcites (HT) were prepared by the ion exchange and reconstruction method, under mild synthesis conditions. The location, amount and the form of the immobilized L-Leu are affected not only by t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cefd401450f099eed1a2d38cdb4aa30

Asymmetric epoxidation of chalcone catalyzed by reusable poly-l-leucine immobilized on hydrotalcite

Autor: Francisco Medina, Jordi Llorca, Ronald-Alexander Miranda, Jesús E. Sueiras, Anna M. Segarra

Publikováno v: Journal of Catalysis. 282:65-73

Nanohybrid materials based on polyamino acids immobilized onto inorganic materials are of interest for their potential applications in protein engineering, biomedicine and catalysis. We developed an efficient and eco-friendly new protocol for the imm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67cdd6d54beb25ac59578efb6d0d4c57
https://doi.org/10.1016/j.jcat.2011.05.026

Performance of alkali modified Pd/Mg(Al)O catalysts for hydrodechlorination of 1,2,4-trichlorobenzene

Autor: Jordi Llorca, Francisco Medina, B.T. Meshesha, Anna M. Segarra, J.E. Sueiras, Bernard Coq, R.J. Chimentão

Publikováno v: Applied Catalysis B: Environmental. 105:361-372

Alkali-modified Pd (wt%)/HT catalysts, where HT is calcined Mg/Al hydrotalcite (Mg(Al)O), were studied for the HDC reaction of 1,2,4-trichlorobenzene at mild conditions (atmospheric pressure and 373 K) using a continuous reactor. Characterization of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12cc4eba3b0006dd4d6f901b217c3a3e
https://doi.org/10.1016/j.apcatb.2011.04.030