Results 41 to 50 of about 84,304 (240)

Avaliação de clones de borracha natural crua por ensaios padrão e análise dinâmico-mecânica Evaluation of clones of the raw natural rubber by standard test and dynamic mechanical properties

open access: yesPolímeros, 2006
A qualidade do látex de borracha natural (Hevea brasiliensis) de diferentes clones (RRIM 600, IAN 873, GT 1, PB 235), uma mistura destes clones e uma borracha comercial foi avaliada por ensaios padrões (plasticidade Wallace, PRI, viscosidade Mooney, % de
Ana C. Dall'Antonia   +6 more
doaj   +1 more source

Comparative Insights and Overlooked Factors of Interphase Chemistry in Alkali Metal‐Ion Batteries

open access: yesAdvanced Energy Materials, EarlyView.
This review presents a comparative analysis of Li‐, Na‐, and K‐ion batteries, focusing on the critical role of electrode–electrolyte interphases. It especially highlights overlooked aspects such as SEI/CEI misconceptions, binder effects, and self‐discharge relevance, emphasizing the limitations of current understanding and offering strategies for ...
Changhee Lee   +3 more
wiley   +1 more source

Multi‐Property Machine Learning Models to Accelerate the Transition Toward Bio‐Based Emulsion Polymers

open access: yesAdvanced Intelligent Discovery, EarlyView.
A machine learning framework simultaneously predicts four critical properties of monomers for emulsion polymerization: propagation rate constant, reactivity ratios, glass transition temperature, and water solubility. These tools can be used to systematically identify viable bio‐based monomer pairs as replacements for conventional formulations, with ...
Kiarash Farajzadehahary   +1 more
wiley   +1 more source

Impedance‐Controlled Multipoint Radiofrequency Ablation for Chronic Rhinitis: A Randomized Controlled Trial

open access: yesInternational Forum of Allergy &Rhinology, EarlyView.
ABSTRACT Background The purpose of this randomized controlled trial (RCT) was to demonstrate that posterior nasal nerve ablation treatment with the NEUROMARK System is superior to a sham control procedure in patients with chronic rhinitis. Methods In this prospective, multicenter, single‐blinded, superiority RCT, 132 participants were randomized 2:1 to
Masayoshi Takashima   +5 more
wiley   +1 more source

TRATAMIENTOS PARA REDUCIR LOS DAÑOS POR LÁTEX EN MANGO (Mangifera indica)

open access: yesAgronomía Costarricense, 2005
El objetivo de este estudio fue evaluar tratamientos alternativos para reducir las manchas de látex en mango. Se utilizaron frutos del cultivar Amarilla y soluciones (1% en agua) de eter lauril sulfonato de sodio (ELSS), ácido sulfónico (AS), amida de ...
Marta Montero, Manuel Enrique Molina
doaj  

Self-reported prevalence of latex allergy and associated factors in healthcare workers

open access: yesRevista Alergia México, 2017
Background: In our country, the prevalence of latex allergy in health personnel has rarely been studied. Objective: To determine the prevalence and associated factors to self-reported latex allergy in health care workers.
Martín Bedolla-Barajas   +7 more
doaj   +1 more source

In vitro study of protein release from AFCo1 and implications in mucosal immunisation

open access: yesVacciMonitor, 2012
Los anticuerpos aviares (IgY) presentan algunas ventajas con relación a los anticuerpos IgG de mamíferos, debido a su fácil obtención y purificación y su bajo costo de producción.
José Raúl Dopico   +7 more
doaj  

Estimulación de la actividad péptica del jugo gástrico, inducida por látex de Croton palanostigma (sangre de grado)

open access: yesAnales de la Facultad de Medicina, 2008
Objetivo: Determinar si la administración del látex de Croton palanostigma (sangre de grado), vía digestiva, modifica la actividad péptica de la secreción gástrica. Diseño: Estudio experimental.
Miguel Sanvodal   +4 more
doaj  

Enhanced Rheological and Filtration Performance of Drilling Fluids Using Fe3O4/Saponin/Cu(II) Nanocomposites: Synthesis, Characterization, and Application

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Drilling fluids used in high‐performance well operations often struggle to maintain rheological stability, colloidal dispersion, and filtration control under harsh downhole conditions. This study engineered a multifunctional Fe3O4@Saponin/Cu(II) nanocomposite to address these challenges.
Kassem Al Attabi   +9 more
wiley   +1 more source

Thin and Compact Versus Thick and Porous Fouling Layers in the Emulsion Polymerization of Acrylates and Vinyl Acetates Studied In Situ With a Quartz Crystal Microbalance (QCM)

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Building on a quartz crystal microbalance with dissipation monitoring (QCM‐D), fouling in emulsion polymerization was compared between acrylate dispersions stabilized with a mobile, anionic surfactant and dispersions of poly(vinyl acetate‐co‐vinyl neodecanoate), PVAc, stabilized with polyvinyl alcohol, PVOH.
K. M. Hoffmann   +5 more
wiley   +1 more source

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