Results 41 to 50 of about 936,426 (211)

Effect of surfactant concentration on the responsiveness of a thermoresponsive copolymer/surfactant mixture with potential application on Smart foams formulations

open access: yes, 2017
We studied a system formed by a mixture of a thermoresponsive negatively charged graft copolymer (Alg-g-PNIPAAm) with a brush-type structure, and an oppositely charged surfactant (DTAB), in bulk and at the air-solution interface. We performed experiments
Cuenca, Ezequiel   +5 more
core   +1 more source

δ‐Bismuth Oxide Responsible for Tooth Discolouration—A Laboratory Investigation

open access: yesInternational Endodontic Journal, Volume 59, Issue 3, Page 538-548, March 2026.
ABSTRACT Aims To investigate the phase changes of bismuth oxide in contact with sodium hypochlorite responsible for tooth discolouration. Methodology Bismuth oxide (monoclinic α−phase; C) was mixed with sodium hypochlorite at 20°C, 37°C, and 60°C (B20, B37, B60) for a period of 24 weeks with weekly refreshing of solutions.
J. Camilleri, P. Zaslansky, N. Ramanan
wiley   +1 more source

Glucose Oxidase Captured into Electropolymerized p-Coumaric Acid towards the Development of a Glucose Biosensor

open access: yesChemosensors, 2023
An electrochemical biosensor based on the immobilization of glucose oxidase into an electropolymerized p-coumaric acid membrane on a Pt electrode has been developed and evaluated for glucose detection in the range of 1 to 30 mM.
Gabriela Valdés-Ramírez, Laura Galicia
doaj   +1 more source

Characterising informal groups of knowledge transfer with social network analysis. [PDF]

open access: yes, 2006
Una de las áreas de mayor relevancia en las dos últimas décadas en el estudio de los activos intangibles ha sido, sin duda, la gestión de las actividades relacionadas con el desarrollo y explotación del conocimiento organizativo.
Sallán Leyes, José María
core  

Modernización de las leyes en Nicaragua [PDF]

open access: yes, 2008
El autor reconoce la labor pionera de la revista Encuentro, revista académico científica de la Universidad Centroamericana, la más antigua de Nicaragua, catalogándola como “un valioso instrumento cultural para la investigación en todos los órdenes” y ...
Rodolfo Sandino Argüello
core   +2 more sources

NEPA “Modernization”: From the Trump Administration to the Biden Administration

open access: yesReview of Policy Research, Volume 43, Issue 2, March 2026.
ABSTRACT Researchers have recently examined changes to American environmental policy under the Trump administration's first term, and to a lesser extent, under the Biden administration. Scholars have largely not considered changes to the National Environmental Policy Act (NEPA), one of the earliest environmental laws in the United States, and a law ...
Michelle L. Edwards
wiley   +1 more source

Ladrar, maullar y trinar, una cuestión de derechos

open access: yesRevista de Medicina Veterinaria, 2008
Este trabajo surge como reflexión de una inquietud cotidiana desde la condición de estudiante y de persona, como un cuestio-namiento acerca del desconocimiento por parte de estudiantes, docentes y profesionales del área de la medicina veterinaria acerca ...
María A. Hoyos, Néstor Calderón M.
doaj   +1 more source

Malas leyes

open access: yesICE, Revista de Economía, 2020
Este artículo explora la correspondencia entre las preferencias dominantes en la ciudadanía y varios atributos característicos del Derecho español. En relación con países europeos de similar tamaño, los españoles mostramos en promedio unas marcadas preferencias estatistas y contrarias a la competencia, las cuales favorecerían una concepción finalista ...
openaire   +2 more sources

LEYES DE LOS GASES [PDF]

open access: yes, 2016
SÓLO VISIÓN ...
FUENTES RIVAS ROSA MARIA
core  

Robust Distribution‐Free Tests for the Linear Model

open access: yesStatistics in Medicine, Volume 45, Issue 3-5, February 2026.
ABSTRACT Recently, there has been growing concern about heavy‐tailed and skewed noise in biological data. We introduce RobustPALMRT, a flexible permutation framework for testing the association of a covariate of interest adjusted for control covariates.
Torey Hilbert   +2 more
wiley   +1 more source

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