Results 21 to 30 of about 160,201 (256)

In Situ Green Synthesis of Co3O4@ZnO Core-Shell Nanoparticles Using Datura stramonium Leaf Extract: Antibacterial and Antioxidant Studies

Bioinorganic Chemistry and Applications, 2023
Investigating and synthesizing potent antibacterial NPs using biological methods is highly preferred, and it involves nontoxic, cost-effective, and environmentally friendly chemicals and methods.
Gezahegn Tadesse, H. C. Ananda Murthy, C. R. Ravikumar, T. Naveen Kumar, Lema Teshome, Tegene Desalegn   +5 more
doaj   +1 more source

Synthesis, thermal stability, magnetic properties, and microwave absorption applications of CoNi-C core-shell nanoparticles with tunable Co/Ni molar ratio

Results in Physics, 2021
Magnetic alloy-C core-shell nanoparticles with tunable elemental components are highly expected for their controllable magnetic, catalytic, and electromagnetic properties, and high air stability.
Lizhen Hou, Xing Zhen, Linlin Liu, Daitao Kuang, Yangyang Gao, Heng Luo, Lianwen Deng, Chuansheng Chen, Shiliang Wang   +8 more
doaj   +1 more source

New two in one magnetic fluorescent nanocomposites [PDF]

, 2005
Magnetite nanoparticles have been coated by a porphyrin derivative to produce new magnetic materials with fluorescent properties. The magnetic nanoparticles were prepared using two different methods, one based on sol-gel techniques and ultrasonic ...
Byrne, S.J., Corr, S.A., Douvalis, A.P., Gun'ko, Y.K., Gunning, R.D., Venkatesan, M.   +5 more
core   +1 more source

MOESM1 of Core–shell polymeric nanoparticles co-loaded with photosensitizer and organic dye for photodynamic therapy guided by fluorescence imaging in near and short-wave infrared spectral regions

, 2020
Additional file 1: Figure S1. Transmission electron microscopy (TEM) images of NPs_D2 with (a) and without (b) TEM contrast agent (phosphotungstic acid); NPs loaded PS and NIRFD without contrast agent (c). Figure S2. Fluorescence spectra of NF: polySt-poly(NIPAM-co-AA) NPs loaded with HPPH and dyes.
Chepurna, O., Yakovliev, A., Ziniuk, R., Nikolaeva, O., Levchenko, S., Xu, H., Losytskyy, M., Bricks, J., Slominskii, Yu., Vretik, L., Qu, J., Ohulchanskyy, T.   +11 more
openaire   +1 more source

All-inorganic core-shell silica-titania mesoporous colloidal nanoparticles showing orthogonal functionality [PDF]

, 2011
Colloidal mesoporous silica (CMS) nanoparticles with a thin titania-enriched outer shell showing a spatially resolved functionality were synthesized by a delayed co-condensation approach.
Abe, Bartl, Cauda, Cauda, Dina Fattakhova-Rohlfing, Dong, Eimer, Fattakhova-Rohlfing, Fernandez, Garnweitner, Grätzel, Hagfeldt, Johann M. Szeifert, Karin Merk, Kecht, Kobler, Kobler, Kobler, Lechmann, Lee, Lee, Li, Li, Nazeeruddin, Oh, Orignac, Pan, Sahu, Schlossbauer, Szeifert, Thomas Bein, Valentina Cauda, Zhao   +32 more
core   +1 more source

Shell Thickness-Dependent Strain Distributions of Confined Au/Ag and Ag/Au Core-Shell Nanoparticles

Advances in Condensed Matter Physics, 2015
The shell thickness-dependent strain distributions of the Au/Ag and Ag/Au core-shell nanoparticles embedded in Al2O3 matrix have been investigated by finite element method (FEM) calculations, respectively.
Feng Liu, Honghua Huang, Ying Zhang, Ting Yu, Cailei Yuan, Shuangli Ye   +5 more
doaj   +1 more source

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

High temperature magnetic stabilization of cobalt nanoparticles by an antiferromagnetic proximity effect [PDF]

, 2015
Thermal activation tends to destroy the magnetic stability of small magnetic nanoparticles, with crucial implications in ultra-high density recording among other applications.
De Toro, Jose A., Givord, Dominique, Marques, Daniel P., Muniz, Pablo, Nogues, Josep, Skumryev, Vassil, Sort, Jordi   +6 more
core   +4 more sources

Dual mode nanoparticles: CdS coated iron nanoparticles [PDF]

, 2010
Reverse micelles can be used in a sequential fashion to make core-shell nanoparticles. Using this technique it is possible to make a magnetic quantum dot, by coating an iron core with a cadmium sulfide shell.
Carpenter, E. E., Carroll, K. J., Radwan, F. N.   +2 more
core   +2 more sources

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