Results 21 to 30 of about 15,108 (230)

Electronic and electrocatalytic properties of PbTiO3: unveiling the effect of strain and oxygen vacancy [PDF]

open access: yes, 2023
A. M.-G. thanks the support to the Spanish MICIN and AEI (https://doi.org/10.13039/501100011033) through the projects PID2020-115293RJ-I00, PID2021-126076NB-I00, TED2021-129506B-C22, and María de Maeztu CEX2021-001202-M.
Daouli, A.   +9 more
core   +1 more source

Lenguas callejeras: Paisajes colectivos de las lenguas que nos rodean. Guía para fomentar la conciencia sociolingüística crítica

open access: yes, 2023
Esta guía ha sido realizada en el marco del subproyecto I+D «Hacia una nueva ciudadanía lingüística: investigación-acción para el reconocimiento de hablantes en el contexto educativo madrileño» (Ref. PID2019-105676RB-C41/ AEI/10.13039/501100011033),
Molina Ávila, Clara   +2 more
core   +1 more source

Stereoselective Synthesis of Southern Fragment of Hantupeptin-A

open access: yesActa Chimica Slovenica, 2016
The stereo selective synthesis of the southern fragment (C21-C41) of Hantupeptin–A is described. The required stereochemistry of b-hydroxy-a-methyl acid unit was accomplished through Aldol reaction using Evan’s chiral auxiliary followed by the ...
Sri Nivas Avula   +2 more
doaj   +1 more source

A study in red: the overlooked role of azo-moieties in polymeric carbon nitride photocatalysts with strongly extended optical absorption [PDF]

open access: yes, 2021
This work was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Projektnummer 364549901 – TRR 234 CataLight [Projects A5, B6, B7, C2, C3 and Z2] and BE 5102/5-1. We acknowledge also support by Spanish Ministerio de Ciencia
Li, C.   +7 more
core   +1 more source

Hydrophobized poly(heptazine imide) for highly effective photocatalytic hydrogen peroxide production in a biphasic fatty alcohol-water system

open access: yes, 2023
Deutsche Forschungsgemeinscha. (DFG, German Research Foundation) [364549901 - TRR 234, BE 5102/5-1]; DFG [TU 149/8-2, INST 275/257-1 FUGG]; Spanish MCINN [PID2020113558RB-C41]; Gobierno del Principado de Asturias [IDI2021-000048]; Alexander von Humboldt ...
Turchanin, Andrey   +11 more
core   +1 more source

Dialkyl Ethers and Sacrificial Zinc: Oxide Synthons for Calcium tert‐Butoxide Formation

open access: yesAngewandte Chemie, EarlyView.
When treated with dialkyl ethers, [(BDI)Ca‐μ‐H‐Zn(t‐Bu)2(η6‐C7H8)] (BDI = HC{C(Me)NDipp}2 initiates a sequence of twofold ether dealkylation and oxide sequestration as tert‐butoxide in a process predicated on a combination of extreme basicity and a cooperative redox process administered by the dissimilar constituent metals. (Generative AI (ChatGPT) was
Kyle G. Pearce   +3 more
wiley   +2 more sources

Endometriosis – novel approaches and controversies debated

open access: yesReproduction and Fertility, 2021
Defined by the extrauterine growth of estrogen-dependent endometrial-like epithelial and stromal cells, endometriosis is a common gynecological and systemic inflammatory disease affecting approximately 179 million people assigned female at birth ...
W G Foster, M Leonardi
doaj   +1 more source

Multi-Path Optimization for Efficient Production of 2′-Fucosyllactose in an Engineered Escherichia coli C41 (DE3) Derivative

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
2′-fucosyllactose (2′-FL), one of the simplest but most abundant oligosaccharides in human milk, has been demonstrated to have many positive benefits for the healthy development of newborns.
Zhijian Ni   +15 more
doaj   +1 more source

Spin excitations of individual magnetic dopants in an ionic thin film [PDF]

open access: yes, 2022
Individual magnetic transition metal dopants in a solid host usually exhibit relatively small spin excitation energies of a few meV. Using scanning tunneling microscopy and inelastic electron tunneling spectroscopy (IETS) techniques, we have observed a ...
Van Haesendonck, Chris   +12 more
core   +1 more source

Análisis de los factores asociados a la deserción y graduación estudiantil universitaria

open access: yesLecturas de Economía, 2009
Las altas tasas de deserción y bajas tasas de graduación se han convertido en un asunto de creciente interés para las instituciones de educación superior y las autoridades educativas.
Elkin Castaño Vélez   +3 more
doaj   +1 more source

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