Results 81 to 90 of about 69,084 (179)

Highly efficient green synthesized cerium oxide nanoparticles from Tectona grandis seed extract for Rhodamine B dye degradation and biological applications

Next Materials
This study presents a sustainable process for creating cerium oxide nanoparticles utilizing an extract from the Tectona grandis seed, which act as stabilizing and reducing agents.
Akhilesh T. Shetty, Divya N. Shetty, Narasimha Raghavendra, Suman Rani   +3 more
doaj   +1 more source

Σύνθεση, χαρακτηρισμός και καταλυτική συμπεριφορά νανοδομημένων υλικών CeO2-ZrO2, CeO2-SiO2, CeO2-Al2O3

, 2012
Περιέχει παράρτημα Η παρούσα Διδακτορική Διατριβή εκπονήθηκε με στόχο την μελέτη των φαινομένων διάχυσης που εμφανίζονται κατά την διάσπαση δευτεροταγών αλκοολών. Για τον σκοπό αυτό συντέθηκαν μεικτά οξείδια με οξείδιο αναφοράς το οξείδιο του δημητρίου (CeO2) και τα οξείδια του ζιρκονίου (ZrO2), πυριτίου (SiO2) και αργιλίου (Al2O3) ως πρόσθετα.
openaire   +1 more source

Exploration of Cytotoxicity and Antibacterial Activities of M‐Ceo2 (M = Ag, Cu, Te, and Ta) Nanoparticles

ChemistryOpen
This study focuses on the ultrasonic synthesis of M‐CeO2 (M = Ag, Cu, Te & Ta) nanoparticles (NPs) and screening of their cytotoxicity and antibacterial activities.
Faiza Qureshi, Suhailah S. Aljameel, Muhammad Nawaz, Mohammad Azam Ansari, Firdos Alam Khan, Sultan Akhtar, Mariam Ali Alsayed, Mohammad J. Akbar, Muzaheed   +8 more
doaj   +1 more source

Synergistic optimization of microstructures and properties of electrodeposited Ni–CeO2 composite coatings with CeO2 microparticles and CeO2 nanoparticles

Journal of Materials Research and Technology
The synergistic mechanism of microparticles and nanoparticles on optimizing microstructures homogeneity and enhancing microhardness and corrosion resistance of mixed coatings was deeply researched by co-electrodepositing CeO2 microparticles and CeO2 nanoparticles into nickel matrix.
Shuxin You, Shilong Xing, Chuanhai Jiang
openaire   +2 more sources

CeO2-Promoted Highly Active Catalyst, NiSO4/CeO2-ZrO2 for Ethylene Dimerization

Bulletin of the Korean Chemical Society, 2006
The NiSO 4 /CeO 2 -ZrO 2 catalysts containing different nickel sulfate and CeO 2 contents were prepared by the impregnation method, where support, CeO 2 -ZrO 2 was prepared by the coprecipitation method using a mixed aqueous solution of zirconium oxychloride and cerium nitrate solution followed by adding an aqueous ammonia solution.
openaire   +2 more sources

Aggregation and ecotoxicity of CeO2 nanoparticles in synthetic and natural waters with variable pH, natural organic matter concentration and ionic strength [PDF]

, 2011
De Schamphelaere, Karel, Janssen, Colin, Smagghe, Guy, Van der Meeren, Paul, Van Hoecke, Karen   +4 more
core   +2 more sources

Cerium(IV) oxide:silver/graphene oxide (CeO2:Ag/GO) nanoparticles modulate gene expression and inhibit colorectal cancer cell growth: a pathway-centric therapeutic approach

Cancer Nanotechnology
Colorectal cancer (CRC) represents a substantial global health burden, necessitating advancements in diagnostic and therapeutic modalities. This study aimed to investigate the potential of CeO2/GO nanoparticles (NPs) in managing CRC and to compare their ...
Omid Reza Tamtaji, Amirreza Ostadian, Mina Homayoonfal, Majid Nejati, Maryam Mahjoubin-Tehran, Fatemeh Nabavizadeh, Elaheh Ghelichi, Bahareh Mohammadzadeh, Merat Karimi, Neda Rahimian, Hamed Mirzaei   +10 more
doaj   +1 more source

ESTUDIO TEÓRICO DE LAS INTERACCIONES DEL AZUFRE SOBRE LAS SUPERFICIES CeO2(111) Y Rh-CeO2(111)

Avances en Ciencias e Ingeniería, 2011
Se estudió la deposición de azufre sobre CeO2(111) y Rh-CeO2(111), empleando cálculos periódicos basados en la teoría del funcional de la densidad (DFT).
Juan E. Russmann, Alfredo Juan, Gloria González, Beatriz Irigoyen   +3 more
doaj  

DFT studies on CuO/CeO2 with tailored CeO2 surface & shape

, 2014
Trabajo presentado en el E-MRS Spring Meeting, celebrado en Lille (Francia) del 26 al 30 de mayo de 2014. We found that a CuO/CeO2 catalyst where the CeO2 carrier is nanocube-shaped, exposing the less stable (001) surface, has better selectivity than others where CeO2 exposes different surfaces in the purification of H2 from CO via preferential ...
Monte Caballero, Manuel, Conesa Cegarra, José Carlos, Martínez Arias, Arturo   +2 more
openaire   +1 more source

Microstructure and corrosion resistance of Ni-based alloy laser coatings with nanosize CeO2 addition

Science and Technology of Advanced Materials, 2008
Micron-size Ni-base alloy (NBA) powders were mixed with both 1.5 wt.% (hereinafter %) micron-size CeO2 (m-CeO2) and also 1.5% and 3.0% nano-size CeO2 (n- CeO2) powders.
Shi Hong Zhang et al
doaj