Zobrazeno 1 - 10
of 166
pro vyhledávání: '"José G. Hernández"'
Autor:
José G. Hernández
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 18, Iss 1, Pp 1225-1235 (2022)
The formation and scission of chemical bonds facilitated by mechanical force (mechanochemistry) can be accomplished through various experimental strategies. Among them, ultrasonication of polymeric matrices and ball milling of reaction partners have
Externí odkaz:
https://doaj.org/article/83d3d705afdb4e17aaa3b22966ed25a5
Autor:
Lars Borchardt, José G. Hernández
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 18, Iss 1, Pp 1454-1456 (2022)
Externí odkaz:
https://doaj.org/article/3d85c76c1daf4406928885da30c828d1
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 18, Iss 1, Pp 182-189 (2022)
In the search for versatile reagents compatible with mechanochemical techniques, in this work we studied the reactivity of N-fluorobenzenesulfonimide (NFSI) by ball milling. We corroborated that, by mechanochemistry, NFSI can engage in a variety of r
Externí odkaz:
https://doaj.org/article/49a2626676e649ffbd7af30f97c34cd0
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 15, Iss 1, Pp 811-817 (2019)
In recent times, many biologically relevant building blocks such as amino acids, peptides, saccharides, nucleotides and nucleosides, etc. have been prepared by mechanochemical synthesis. However, mechanosynthesis of lipids by ball milling techniques
Externí odkaz:
https://doaj.org/article/fdbff140409043fa868e30c0b3d7aee9
Autor:
Brayan L. Pérez Escobar, Germán Pérez Hernández, Arturo Ocampo Ramírez, Lizeth Rojas Blanco, Laura L. Díaz Flores, Inocente Vidal Asencio, José G. Hernández Perez, Erik Ramírez Morales
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 9806 (2021)
In this paper, the gradient temperature and the thermomechanical stresses of a photovoltaic panel has been studied with and without heatsink. For this purpose, a three-dimensional analysis was carried out. Accordingly, a heat transfer analysis was de
Externí odkaz:
https://doaj.org/article/b819d7130b58427d87792dba26eca8f9
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 1788-1795 (2017)
A lipase-catalyzed esterification of lignin model compounds in the ball mill was developed combining the advantages of enzyme catalysis and mechanochemistry. Under the described conditions, the primary aliphatic hydroxy groups present in the substrat
Externí odkaz:
https://doaj.org/article/38551420e10c46f29e89fed066a845bc
Autor:
José G. Hernández
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 1463-1469 (2017)
Merging of photo- and mechanochemical activation permitted studying the role of eosin Y in the borylation of aryldiazonium salts in a ball mill. Simultaneous neat grinding/irradiation of the reactants and the photocatalyst led to the formation of bor
Externí odkaz:
https://doaj.org/article/e20beb421e0140ca9e6a27f79c7fbf3f
Autor:
Alexa M. Ramírez A., José G. Hernández
Publikováno v:
Revista Colombiana de Computación, Vol 18, Iss 1, Pp 46-60 (2017)
La presente investigación tiene como fin mostrar la importancia que tiene hoy en día la implementación de soluciones de control de acceso en las organizaciones las cuales son usadas con el fin de controlar de manera eficiente el acceso de cada uno
Externí odkaz:
https://doaj.org/article/e499a19cb68546b198bb745b6a40ce65
Autor:
César A. Flores-Sandoval, Laura V. Castro, Eugenio A. Flores, Fernando Alvarez, Antonieta Garcia-Murillo, Alfonso López, José G. Hernández-Cortez, Flavio S. Vázquez
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss 3, Pp 410-419 (2017)
A series of α,ω-diamines of polyoxyethylene–polyoxypropylene–polyoxyethylene (POE–POP–POE) triblock copolymer was synthesized and experimentally evaluated as dewatering agents for heavy crude oil. A quantitative structure–activity relatio
Externí odkaz:
https://doaj.org/article/69e3a0b129674932a08f6c6cd00b116e
Autor:
Maria E. Manríquez, Luis Enrique Noreña, Jin An Wang, Lifang Chen, Jose Salmones, Julio González-García, Carmen Reza, Francisco Tzompantzi, José G. Hernández Cortez, Liqun Ye, Haiquan Xie
Publikováno v:
International Journal of Photoenergy, Vol 2018 (2018)
The photocatalytic degradation of 4-chlorophenol in water using Ru-doped ZnO mixed oxides (0, 0.5, 1, and 3 wt% RuO2) synthesized by the one-pot homogeneous coprecipitation method is reported. ZnO with wurtzite structure was present in the mixed oxid
Externí odkaz:
https://doaj.org/article/e9fc1167eb734b9d9603d3f00de6fddc