Synthesis and antimicrobial activities of Manganese (Mn) and iron (Fe) co-doped Cerium dioxide (CeO2) Nanoparticles

2021 ◽  
Vol 600 ◽  
pp. 412562
Author(s):  
Muhammad Moazzam Latif ◽  
Anwar-ul- Haq ◽  
Faheem Amin ◽  
Muhammad Ajaz-un-Nabi ◽  
Ikram-ullha Khan ◽  
...  
Keyword(s):  
Cerium Dioxide ◽  
Antimicrobial Activities ◽  
Ceo2 Nanoparticles ◽  
Co Doped

Study of hyperfine interactions in pure and Co-doped CeO2 nanoparticles by PAC spectroscopy using 111Cd

2010 ◽  
pp. 233-237
Author(s):  
M. S. Costa ◽  
A. W. Carbonari ◽  
J. M. Ramos ◽  
G. A. Cabrera-Pasca ◽  
M. R. Cordeiro ◽  
...  
Keyword(s):  
Hyperfine Interactions ◽  
Ceo2 Nanoparticles ◽  
Pac Spectroscopy ◽  
Doped Ceo2 ◽  
Co Doped

Fate of cerium dioxide (CeO2) nanoparticles in municipal wastewater during activated sludge treatment

2012 ◽  
Vol 108 ◽  
pp. 300-304 ◽  
Author(s):  
Francisco Gómez-Rivera ◽  
James A. Field ◽  
Dustin Brown ◽  
Reyes Sierra-Alvarez
Keyword(s):  
Activated Sludge ◽  
Cerium Dioxide ◽  
Municipal Wastewater ◽  
Ceo2 Nanoparticles ◽  
Sludge Treatment

Differential cytotoxicity of ferromagnetic Co doped CeO2 nanoparticles against human neuroblastoma cancer cells

2015 ◽  
Vol 648 ◽  
pp. 1060-1066 ◽  
Author(s):  
Fazal Abbas ◽  
J. Iqbal ◽  
T. Jan ◽  
M. Sajjad H. Naqvi ◽  
Asma Gul ◽  
...  
Keyword(s):  
Cancer Cells ◽  
Ceo2 Nanoparticles ◽  
Human Neuroblastoma ◽  
Doped Ceo2 ◽  
Co Doped

scholarly journals Release of gold (Au), silver (Ag) and cerium dioxide (CeO2) nanoparticles from sewage sludge incineration ash

2021 ◽  
Author(s):  
Jonas Wielinski ◽  
Alexander Gogos ◽  
Andreas Voegelin ◽  
Christoph R. Müller ◽  
Eberhard Morgenroth ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Sewage Sludge ◽  
Cerium Dioxide ◽  
Ceo2 Nanoparticles ◽  
Engineered Nanoparticles ◽  
Sewage Sludge Ash ◽  
Sludge Incineration ◽  
Sludge Ash

Conservative engineered nanoparticles (ENPs) that resist transformation during wastewater treatment and sludge incineration can be released from sewage sludge ash. Transient ENPs that undergo transformation are retained in the sewage sludge ash.

Does natural organic matter increase the bioavailability of cerium dioxide nanoparticles to fish?

2015 ◽  
Vol 12 (6) ◽  
pp. 673 ◽  
Author(s):  
Rhys M. Goodhead ◽  
Blair D. Johnston ◽  
Paula A. Cole ◽  
Mohammed Baalousha ◽  
David Hodgson ◽  
...  
Keyword(s):  
Organic Matter ◽  
Natural Organic Matter ◽  
Cerium Dioxide ◽  
Natural Waters ◽  
Biological Effects ◽  
Fulvic Acids ◽  
Consumer Products ◽  
Ceo2 Nanoparticles ◽  
Aggregation Behaviour ◽  
Analytical Approaches

Environmental context Nanoparticles are present in growing volumes of consumer products and are suspected to be released into the environment at detectable levels. We focus on cerium dioxide nanoparticles and investigate their availability to fish from the water column, where we found increasing concentrations of natural organic material increased the ceria measured in the fish gills. This complex interaction between nanoparticle behaviour and uptake from environmentally relevant test systems is significantly understudied. Abstract Natural organic colloids affect the fate and behaviour of nanoparticles in the aquatic environment but how these interactions affect the bioavailability of nanoparticles to organisms is a major knowledge gap in risk-assessment analysis. Here, we investigated interactions of citrate-coated cerium dioxide (CeO2) nanoparticles with fulvic acids, representing natural organic matter, and assessed their bioavailability to fish (common carp, Cyprinus carpio) exposed chronically (32days) via the water. We show a fulvic acid concentration-related enhancement in the uptake of cerium (Ce) into gill tissues, with some evidence for an enhanced Ce uptake also into kidney and brain tissues in the presence of fulvic acids, but with more variable responses. We present evidence for differences in the aggregation behaviour for CeO2 nanoparticles in the different exposure scenarios, with reduced CeO2 particle aggregate size with citrate coating and fulvic acids, as determined from dynamic light scattering. We highlight that multiple analytical approaches are essential for understanding the dynamic nature of the particles and also that interpretations on measured particle sizes and characteristics may differ depending on the technique(s) employed. We conclude that conditions in natural waters are likely to play a fundamental role in affecting bioavailability and thus potential biological effects of CeO2 particles.

Preparation and Characterization of Conductive Polyaniline/Cerium Dioxide Composites

2010 ◽  
Vol 663-665 ◽  
pp. 686-689
Author(s):  
Hui Huang ◽  
Zhong Cheng Guo
Keyword(s):  
Fourier Transform ◽  
Cerium Dioxide ◽  
In Situ Polymerization ◽  
Ceo2 Nanoparticles ◽  
Pure Pani ◽  
X Ray Diffraction ◽  
Maximum Conductivity ◽  
Conductive Polyaniline

Conductive polyaniline/cerium dioxide (PANI/CeO2) composites have been synthesized by in-situ polymerization of aniline in the presence of CeO2 nanoparticles. The structure and thermal stability of obtained composites were characterized by Fourier-transform infrared spectra (FTIR), Fourier-transform Raman spectra (FT-Raman), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The results showed that PANI and CeO2 nanoparticles were not simply blended, and a strong interaction existed at the interface of CeO2 and PANI. In the PANI/CeO2 composite, the degree crystallinity of PANI increased and diffraction pattern of CeO2 was amorphous. And that the composites were more thermally stable than that of the pure PANI. Electrical conductivity measurements indicated that the conductivity of PANI/CeO2 composites was much higher than that of the pure PANI and the maximum conductivity obtained was 11.68 S/cm at 17.5 wt% of CeO2.

Enhanced Room-Temperature Ferromagnetism on Co-Doped CeO2 Nanoparticles: Mechanism and Electronic and Optical Properties

2014 ◽  
Vol 118 (46) ◽  
pp. 27039-27047 ◽  
Author(s):  
Kugalur Shanmugam Ranjith ◽  
Padmanapan Saravanan ◽  
Shih-Hsien Chen ◽  
Chung-Li Dong ◽  
Chih Liang Chen ◽  
...  
Keyword(s):  
Optical Properties ◽  
Room Temperature ◽  
Room Temperature Ferromagnetism ◽  
Ceo2 Nanoparticles ◽  
Electronic And Optical Properties ◽  
Doped Ceo2 ◽  
Co Doped
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