Results 31 to 40 of about 157,720 (278)

Cancer cell membrane-coated upconversion nanoparticles/ZnxMn1-xS core-shell nanoparticles for targeted photodynamic and chemodynamic therapy of pancreatic cancer

Materials Today Bio, 2023
Oxidative stress induced by reactive oxygen species (ROS) is promising treatment approach for pancreatic ductal adenocarcinoma (PDAC), which is typically insensitive to conventional chemotherapy.
Xiaoyan Liu, Zhaoyou Chu, Benjin Chen, Yan Ma, Lingling Xu, Haisheng Qian, Yue Yu   +6 more
doaj   +1 more source

Synthesis and properties of nickel-cobalt-boron nanoparticles [PDF]

, 2005
morphous cobalt nickel boride nanoparticles were synthesised by chemical reduction synthesis in aqueous solution. Careful control of synthesis conditions and post reaction oxidation enabled the nanoparticles to be converted into a core-shell structure ...
Pankhurst, QA, Parkin, IP, Patel, J
core   +1 more source

Functionalization of BaTiO3 nanoparticles with electron insulating and conducting organophosphazene-based hybrid materials [PDF]

, 2017
Novel core–shell structured organophosphazene (OPZ) coated BaTiO3 nanoparticles (OPZ@BaTiO3) were produced via a facile and rapid one-step nucleophilic substitution reaction in ambient conditions.
Bowen, Chris, Haddleton, David M., Huang, Xiaobin, Pappas, George S., Wan, Chaoying   +4 more
core   +1 more source

Enhanced Upconversion Luminescence in Yb3+/Tm3+-Codoped Fluoride Active Core/Active Shell/Inert Shell Nanoparticles through Directed Energy Migration

Nanomaterials, 2014
The luminescence efficiency of lanthanide-doped upconversion nanoparticles is of particular importance for their embodiment in biophotonic and photonic applications.
Hailong Qiu, Chunhui Yang, Wei Shao, Jossana Damasco, Xianliang Wang, Hans Ågren, Paras N. Prasad, Guanying Chen   +7 more
doaj   +1 more source

Hyperpolarized Long-T1 Silicon Nanoparticles for Magnetic Resonance Imaging [PDF]

, 2009
Silicon nanoparticles are experimentally investigated as a potential hyperpolarized, targetable MRI imaging agent. Nuclear T_1 times at room temperature for a variety of Si nanoparticles are found to be remarkably long (10^2 to 10^4 s) - roughly ...
Akerman M. E., Atanasijevic T., Brown C., Dementyev A. E., Ferrari M., Gao X., Golman K., Gupta A. K., Hirsch L. R., Howarter J. A., Högemann D., Jain R. K., Jana N. R., Jiang W., Ladd T. D., Leawoods J. C., Li D., Liu W., Nelson S. J., Nishi Y., Park J. H., Patz S., Schröder L., Schwartz M. P., Shen T. D., Shulman R. G., Simberg D., Tasciotti E., Weissleder R., Weissleder R., Xu H., Zhang Z., Zhao L.   +32 more
core   +2 more sources

Synthesis of Au@Pt Core-Shell Nanoparticles with High Electro-catalytic Activity of Methanol Oxidation by Photochemical Seeding Growth

International Journal of Electrochemical Science, 2013
Au@Pt core-shell nanoparticles were synthesized by photochemical seeding growth method in PEG-acetone system, in which the thickness of Pt shell could be controlled by changing the molar ratio of Au seed to Pt(IV).
Shanshan Li, Yingnan Dong, Xiaoguo Bi, Mingling Tang   +3 more
doaj   +1 more source

Simple Synthesis and Characterization of Shell-Thickness-Controlled Ni/Ni₃C Core-Shell Nanoparticles

Nanomaterials, 2022
Ni/Ni3C core-shell nanoparticles with an average diameter of approximately 120 nm were carburized via a chemical solution method using triethylene glycol.
Sun-Woo Kim, Jae Chul Ro, Su-Jeong Suh
doaj   +1 more source

Photochemical Synthesis of Au@Pd Core-Shell Nanoparticles for Methanol Oxidation Reaction: the Promotional Effect of the Au Core

MATEC Web of Conferences, 2016
A novel method for synthesizing Au@Pd core-shell nanoparticles was proposed based on photochemistry. By irradiating the mixture of Au (III) and Pd (II) ions using ultraviolet light, the Au@Pd core-shell nanoparticles were prepared.
Dong Yingnan, Yang Xikun, Zhang Zhengfu, Dong Shouan, Li Shanshan   +4 more
doaj   +1 more source

Arc-discharge synthesis of iron encapsulated in carbon nanoparticles for biomedical applications [PDF]

, 2015
The objective of the present work is to improve the protection against the oxidation that usually appears in core@shell nanoparticles. Spherical iron nanoparticles coated with a carbon shell were obtained by a modified arc-discharge reactor, which ...
Aguiló Aguayo, Noemí, Bertrán Serra, Enric, Chaitoglou, Stefanos, Sanaee, Mohammad Reza   +3 more
core   +2 more sources

Structural and Spectroscopic Characterization of PM 597 Dye-Silica Core-Shell Nanoparticles

Journal of Spectroscopy, 2015
Nanostructured fluorescent pyrromethene (PM) doped-silica core-shell particles were successfully prepared by Stöber process. The average size of the particles was in the range of 10–20 nm measured by TEM micrograph. The atomic structure and morphology of
Tahani R. Al-Biladi, A. S. Al Dwayyan, M. Naziruddin Khan, Saif M. H. Qaid, Khalid Al Zahrani   +4 more
doaj   +1 more source