Results 121 to 130 of about 454,961 (197)
Enantioselective Desymmetrization of Bisphenol Derivatives by Organocatalytic Sulfonylation
European Journal of Organic Chemistry, EarlyView.An efficient organocatalytic strategy involving the desymmetrization–sulfonylation of bisphenols is introduced for the synthesis of chiral 1,1‐diarylalkanes. A chiral thiourea catalyst enables the selective sulfonylation of one hydroxyl group with a sulfonyl chloride in a CHCl3/H2O system under basic conditions, affording the reaction products with ...
Judit Hostalet‐Romero +6 more
wiley +1 more source
An AER handshake-less modular infrastructure PCB with x8 2.5Gbps LVDS serial links [PDF]
, 2014 Nowadays spike-based brain processing emulation is taking off. Several EU and others worldwide projects are demonstrating this, like SpiNNaker, BrainScaleS, FACETS, or NeuroGrid.
Iakymchuk, T. +6 more
core
International Journal of Cancer, EarlyView.What's New? Serrated polyposis syndrome has been associated with an increased risk of colorectal cancer. HIC1 is a tumor suppressor gene commonly silenced in serrated polyps and several cancers. This study suggests HIC1 as a novel germline predisposition factor to serrated polyposis syndrome, with variants altering gene transcriptional regulation and ...
Xavier Domínguez‐Rovira +24 more
wiley +1 more source
Measuring dispersion in the context of ordered qualitative scales [PDF]
, 2018 Producción CientíficaThe main purpose of this contribution is to measure the dispersion associated with the different results of a variable when they form a set of linguistic terms obtained after examining different qualities of people, services, etc ...
Borge González, Luis Moisés +1 more
core +1 more source
Costes laborales y competitividad
, 2021 El coste laboral es un tipo de coste que se compone de varias partidas, además de los salarios. Partidas que, en su cómputo, forman lo que denominamos como coste laboral. El coste laboral está directamente ligado con la competitividad, ya que cuanto más alto son los costes laborales, menos competitiva será la empresa.
openaire +1 more source
Artificial Intelligence to Determine Correct Midsagittal Plane in Dynamic Transperineal Ultrasound
Journal of Clinical Ultrasound, EarlyView.We have created a model that allows determining the correct midsagittal plane captured by transperineal dynamic ultrasound, with a level of agreement with the expert examiner similar to or higher than that of a junior or senior examiner. ABSTRACT Purpose To create and validate a machine learning(ML) model that allows for identifying the correct capture
José Antonio García‐Mejido +7 more
wiley +1 more source
On Endomorphism Universality of Sparse Graph Classes
Journal of Graph Theory, EarlyView.ABSTRACT We show that every commutative idempotent monoid (a.k.a. lattice) is the endomorphism monoid of a subcubic graph. This solves a problem of Babai and Pultr and the degree bound is best‐possible. On the other hand, we show that no class excluding a minor can have all commutative idempotent monoids among its endomorphism monoids. As a by‐product,
Kolja Knauer, Gil Puig i Surroca
wiley +1 more source
Journal of Quaternary Science, EarlyView.ABSTRACT Des‐Cubierta Cave, part of the Calvero de la Higuera complex, is situated in the intramountainous upper valley of the Lozoya River within the Guadarrama Range. The cave's geological, palaeontological, and archaeological record reveals a complex history of sedimentary and anthropogenic processes spanning hundreds of thousands of years ...
David Manuel Martín‐Perea +19 more
wiley +1 more source
Journal of Raman Spectroscopy, EarlyView.A recent literature survey shows that the SERS community is still far from a consensus on how to correctly estimate the Enhancement Factor (EF) of plasmonic substrates. With this article, a simple practical procedure to evaluate the EF of commonly studied colloidal and solid SERS substrates is presented, and all the critical aspects for doing so are ...
Anna Mercedi +5 more
wiley +1 more source
Limnology and Oceanography, EarlyView.Abstract Purple sulfur bacteria (PSB) of the family Chromatiaceae (Gammaproteobacteria) can perform chemo‐ and photo‐lithoautotrophy (through anoxygenic photosynthesis) in anoxic layers of freshwater stratified (including meromictic) lakes. This group has been extensively studied via physiological and ecological approaches, albeit their genomics has ...
Pedro J. Cabello‐Yeves +7 more
wiley +1 more source