Results 31 to 40 of about 209,508 (166)
Very small cellular compartments can break electroneutrality and harness proton gradients without active transport structures, whereas larger volumes cannot, underscoring why life's critical energy processes are confined in microscopic spaces. ABSTRACT The effect of pH changes in external ionic solutions on liposomes entrapping non‐permeable weak acid ...
Josep M. Ribó +4 more
wiley +1 more source
Ultrafiltration Fibers like Bioreactors [PDF]
A polysulfone ultrafiltration membrane with pectinase physically immobilized on it by a dynamic formation method was used to examine the potential of these reactive membranes in applications involving solutions containing pectin.
Carrin, Maria Elena +2 more
core
Bayesian optimization enabled the design of PA56 system with just 8 wt% additives, achieving limiting oxygen index 30.5%, tensile strength 80.9 MPa, and UL‐94 V‐0 rating. Without prior knowledge, the algorithm uncovered synergistic effects between aluminum diethyl‐phosphinate and nanoclay.
Burcu Ozdemir +4 more
wiley +1 more source
Galacto-oligosaccharides formation during manufacture of different varieties of yogurt. Stability through storage [PDF]
Galacto-oligosaccharides (GOS) have interest in the food industry due to their recognized functional properties. In this work, we studied the effect of a commercial β-galactosidase enzyme from Kluyveromyces lactis (YNL-2, GODO) and Lactobacillus ...
Bergamini, Carina Viviana +3 more
core +1 more source
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez +5 more
wiley +1 more source
Competencias en Ingeniería Química
Una de las tendencias más claras de la educación hoy es la educación por competencias. En este artículo presentamos la relación entre la enseñanza de la ingeniería química, las competencias y las necesidades de la industria química.
Carlos Galdeano-Bienzobas +1 more
doaj +1 more source
Computer simulation of platelet activation in a pulsatile ventricular assist device, through finite elements and a simplified geometry [PDF]
Ventricular assist devices are a technological solution for patients who suffer from cardiac insufficiency and await a transplant. In this work, a new design of an implantable pulsatile blood pump is analyzed in terms of blood damage, by means of finite ...
Berli, Marcelo Eduardo +4 more
core
Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal +3 more
wiley +1 more source
La enseñanza de la Química general y su vínculo con la vida
La Química General es una de las asignaturas que es impartida en la mayoría de las carreras universitarias no solamente en Cuba, sino en la mayor parte de las universidades de otros países.
Luis Alberto Bello Pauli
doaj +1 more source
Acute toxicity of arsenic and oxidative stress responses in the embryonic development of the common South American toad Rhinella arenarum [PDF]
Arsenic (As), a natural element of ecological relevance, is found in natural water sources throughout Argentina in concentrations between 0.01mg/L and 15mg/L. The autochthonous toad Rhinella arenarum was selected to study the acute toxicity of As and the
Adams +37 more
core +1 more source

