Results 31 to 40 of about 1,548 (137)

Influence of Reaction Conditions and Water on the Manufacture of C9 Aromatic Hydrocarbon Resins

Polymer Engineering &Science, EarlyView.
Schematic representation of cationic polymerization process for the statistical analysis performed on material properties, showing the correlation plot of Softening point against Yield. ABSTRACT Aromatic hydrocarbons (HRs) find many commercial applications, demanding control of the cationic reaction conditions to achieve specific resin properties.
Jéssica Bentes, Lys H. R. Mangia, Caio Henrique Pinheiro, José Capistrano Nobre de Abreu, Camila Guindani, José Carlos Pinto   +5 more
wiley   +1 more source

Biosurfactant production by Pseudomonas aeruginosa isolated from mining waste: From genomic analysis to development of a polymeric composite for removal of hexavalent chromium

Polymer International, EarlyView.
Biosurfactant was produced by Pseudomonas aeruginosa using andiroba waste from Amazonia. A biosurfactant–alginate composite (Alg/BioS) was successfully synthesized via ionotropic gelation, and achieved up to 70% Cr6+ removal from water. Abstract Environmental contamination by heavy metals represents a significant challenge due to their persistence in ...
Paulo Diniz Austriaco, Emilly Cruz da Silva, Glenda Sores Gomes, Joane Almeida Alves, Amanda Vidal, Leandro Argolo, Rafaela Ribeiro, Luciana Souza, José Augusto Pires Bitencourt, Leonardo Brasil Felipe, Leonie Asfora Sarubbo, Sidnei Cerqueira dos Santos   +11 more
wiley   +1 more source

SIMULACIÓN POR DINÁMICA MOLECULAR DEL KNbO3: DINÁMICA RELAJACIONAL VS. DISPLACIVA

Anales (Asociación Física Argentina), 2013
La dinámica de la transición ferroeléctrica en KNbO3 es estudiada mediante una simulación por dinámica molecular en el marco del modelo de polarizabilidad no lineal del oxígeno.
M. Sepliarsky, R. L. Migoni, M. G. Stachiotti   +2 more
doaj  

Leucaena Oil Functionalized With Osmium Tetroxide as a Precursor for Polyol‐Based Polyurethane

Journal of Polymer Science, EarlyView.
Leucaena leucocephala seed oil is converted into a hydroxyl‐functional biopolyol through OsO4‐mediated dihydroxylation. The resulting biopolyol shows a hydroxyl number of 160–175 mg KOH g−1 and is successfully used to produce flexible, open‐cell polyurethane foams, highlighting a renewable route for converting underutilized biomass into value‐added ...
Giovanni Miraveti Carriello, Lucas Repecka Alves, Guilherme Manassés Pegoraro, Henrique Solowej Medeiros Lopes, Amanda Stefanie Jabur de Assis, Thaís de Agrella Janolla, David Rodrigues Gomes, Diego Aleixo da Silva, Beatriz Merillas, Fabiana Aparecida Lobo, Fabio Minoru Yamaji, Maira de Lourdes Rezende, Aparecido Junior de Menezes, Giovanni Pimenta Mambrini   +13 more
wiley   +1 more source

Pest‐preservation paradox among insects

Conservation Biology, EarlyView.
The pest‐preservation paradox is a non‐binary perspective that insects range from those that are harmful and requiring management on the one side, to those requiring conservation intervention on the opposite end of the spectrum. Importantly, the vast majority of insects occur somewhere in the center of the two extremes, and their position along the ...
Michael J. Samways, Charl Deacon, René Gaigher, James S. Pryke   +3 more
wiley   +1 more source

Naturally coloured poly(3‐hydroxybutyrate)

Coloration Technology, EarlyView.
Abstract This study reports an innovative approach for producing intrinsically coloured poly(3‐hydroxybutyrate) [P(3HB)] films by incorporating natural dyes—turmeric, paprika, annatto, beetroot and hibiscus—directly into the fermentation medium of Ralstonia solanacearum RS.
Maria Luiza de Oliveira Zanini, Ketnen Rieffel Das Chagas, Camila Rios Piecha, Andressa Baptista Nörnberg, André Ricardo Fajardo, Patrícia Silva Diaz   +5 more
wiley   +1 more source

(E)-2-Benzylidenecyclanones: Part XX—Reaction of Cyclic Chalcone Analogs with Cellular Thiols: Unexpected Increased Reactivity of 4-Chromanone- Compared to 1-Tetralone Analogs in Thia-Michael Reactions

Molecules
In vitro relative cytotoxicity (IC50 (IIb)/IC50 (IIIb) of (E)-3-(4′-methylbenzylidene)-4-chromanone (IIIb) towards human Molt 4/C8 and CEM T-lymphocytes showed a >50-fold increase in comparison to those of the respective tetralone derivative (IIb).
Gábor Bognár, Fatemeh Kenari, Zoltán Pintér, Igor D. Borges, Ademir J. Camargo, Heibbe C. B. Oliveira, Flávio Olimpio Sanches-Neto, Valter H. Carvalho-Silva, Hamilton B. Napolitano, Pál Perjési   +9 more
doaj   +1 more source

Effects of organic solvents on the depth‐of‐cure determination of conventional and bulk‐fill resin composites

European Journal of Oral Sciences, EarlyView.
Abstract This study investigated the influence of organic solvents on the depth of cure (DOC) of resin composites. Two conventional (Filtek Universal [FU] and Beautifil II [BE]) and two bulk‐fill (Filtek One Bulk Fill [FO] and Beautifil‐Bulk [BB]) composites were evaluated.
Beatriz de Cássia Romano, Frederick Allen Rueggeberg, Jorge Soto‐Montero, Carolina Bosso Andre, Marcelo Giannini   +4 more
wiley   +1 more source

DINÁMICA MOLECULAR DE GLICINA ZWITTERIÓNICA EN SOLUCIÓN ACUOSA

Anales (Asociación Física Argentina), 2004
Se realiza una simulación computacional utilizando dinámica molecular de glicina zwitteriónica en solución a dos concentraciones diferentes: 0,17 M y 1,6 M.
M. G. Campo, J. R. Grigera
doaj  

Predicción del cambio de fase en suspensiones de materiales de cambio de fase usando simulación molecular: A Molecular Simulation Approach

Entre Ciencia e Ingeniería
 Se realizaron simulaciones de dinámica molecular a diferentes temperaturas, para estudiar la transición de fase y las propiedades termo físicas de suspensiones de octadecano–agua como material modelo para la mejora de la eficiencia energética en ...
Isabel Lado Touriño, Rosario Gómez de Merodio Perea, Olga Bernaldo Pérez, Norma López Pérez   +3 more
doaj   +1 more source