Results 51 to 60 of about 4,128 (198)

Síntese, caracterização e propriedades de sistemas contendo óxidos de lantânio, cério e níquel obtidos pelo método dos precursores poliméricos Synthesis, characterization and properties of the systems containing lanthanum, cerium and nickel oxides obtained by polymeric precursor

open access: yesCerâmica, 2006
No presente trabalho estuda-se a síntese, caracterização e propriedades fotoluminescentes de sistemas contendo óxidos de lantânio, cério e níquel.
D. M. A. Melo   +5 more
doaj   +1 more source

A digital shadow of CAR T cell expansion in a perfusion bioreactor: Informing optimal harvest times for autologous cell therapy

open access: yesBiotechnology Progress, Volume 41, Issue 6, November/December 2025.
Using online metabolite data from the first few days of a bioreactor run, the digital shadow can forecast the cell concentration in real‐time with an accuracy of 13% (standard deviation ≈ 6%). These predictions can guide the optimal harvest time of CAR T cells for subsequent re‐infusion into the patient.
Joseph R. Egan   +11 more
wiley   +1 more source

Comportamiento termoluminiscente de matrices de alúmina bajo diferentes condiciones de sinterización y dopaje con cerio

open access: yes, 2021
Introducción: en la búsqueda de nuevos materiales útiles como dosímetros termoluminiscentes (TL) la alúmina (α-Al2O3) ha adquirido gran atención.
Gutiérrez-Flórez, Omar Darío   +2 more
core   +1 more source

Influence of Ce(III)/Ce(IV) - supplements on the Characteristics of Humidity Sensors with TiO2 Films Prepared via a Sol-gel Method

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2013
Humidity sensors have been prepared via a sol-gel method to deposit TiO2 films with additions of Ce-compounds on alumina substrates, with interdigitated silver palladium electrodes.
Kozhukharov, S.   +4 more
doaj   +1 more source

Induction of Bioactive Secondary Metabolites in Annona cherimola Mill. (Chirimoya) Seedlings Using Chitosan and Salicylic Acid as Elicitors

open access: yesPlant-Environment Interactions, Volume 6, Issue 4, August 2025.
ABSTRACT The use of elicitors such as salicylic acid (SA) and chitosan (CH) represents an effective strategy to induce the production of secondary metabolites in plants. However, its application in seedlings of Annona cherimola Mill. has been scarcely explored.
Mónica F. Antolínez‐Pérez   +3 more
wiley   +1 more source

Efectos de impurezas de cerio sobre las propiedades estructurales y electrónicas del óxido de zinc

open access: yes, 2023
En este trabajo, se estudiaron los efectos de impurezas del Cerio sobre las propiedades estructurales y electrónicas de Óxido de Zinc en su fase Wurtzita, mediante simulaciones computacionales utilizando la Teorı́a del Funcional de Densidad (DFT), para ...
Ortíz Romero, José Daniel
core   +1 more source

A Long‐Term Ecological Research Data Set From the Marine Genetic Monitoring Program ARMS‐MBON 2018–2020

open access: yesMolecular Ecology Resources, Volume 25, Issue 4, May 2025.
ABSTRACT Molecular methods such as DNA/eDNA metabarcoding have emerged as useful tools to document the biodiversity of complex communities over large spatio‐temporal scales. We established an international Marine Biodiversity Observation Network (ARMS‐MBON) combining standardised sampling using autonomous reef monitoring structures (ARMS) with ...
Nauras Daraghmeh   +40 more
wiley   +1 more source

The Phenolic Signature of Psidium cattleianum Fruits and Leaves Modulates TRPV1 and TRPA1 Transient Receptor Potential Channels: A Metabolomics, In Vitro, and In Silico Study

open access: yesFood Science &Nutrition, Volume 13, Issue 4, April 2025.
An untargeted metabolomics study was performed to find the encompassed phytochemicals in the fruit and leaf extract of Psidium cattleianum. This enabled the annotation of 469 compounds belonging to different phenolic subclasses, with a predominance of flavonoids and phenolics.
Leilei Zhang   +13 more
wiley   +1 more source

Producción y caracterización del sistema Ce0.4Pr0.6O2 [PDF]

open access: yes, 2017
Spa: El dopaje del óxido de cerio con elementos de las tierras raras ha tenido un creciente interés en los últimos años, esto se debe a que al remplazar en diferentes proporciones el catión Cerio por elementos lantánidos en la estructura fluorita del ...
Gómez Cuaspud, Jairo Alberto   +1 more
core   +2 more sources

Reformado de metano con CO2 sobre óxidos mixtos Ni-Mg-Al-Ce derivados de hidrotalcitas: Efecto de la relación Mg/Ni

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2011
Se prepararon catalizadores Ni-Ce/Mg-Al por el método de reconstrucción de hidrotalcitas en presencia del complejo [Ce(EDTA)]-. Se estudió el efecto de la relación molar Mg/Ni cuando el óxido mixto fue reconstruido con cargas del 3% en peso de Ce.
Carlos Enrique Daza   +3 more
doaj  

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