نتایج جستجو برای: magnetic nanohybrid

تعداد نتایج: 339312  

2016
Yiming Su Adeyemi S. Adeleye Yuxiong Huang Xuefei Zhou Arturo A. Keller Yalei Zhang

Magnetic sulfide-modified nanoscale zerovalent iron (S-nZVI) is of great technical and scientific interest because of its promising application in groundwater remediation, although its synthesis is still a challenge. We develop a new nanoparticle seeding method to obtain a novel and reactive nanohybrid, which contains an Fe(0) core covered by a highly sulfidized layer under high extent of sulfi...

Journal: :Dalton transactions 2015
Laishram Priyobarta Singh Ningthoujam Premananda Singh Sri Krishna Srivastava

SnO2:5Tb (SnO2 doped with 5 at% Tb(3+)) nanoparticles were synthesised by a polyol method and their luminescence properties at different annealing temperatures were studied. Characterization of nanomaterials was done by X-ray diffraction (XRD), Fourier transformation infrared spectroscopy (FTIR), transmission electron microscopy (TEM) and vibrating sample magnetometry (VSM). XRD studies indicat...

Journal: :Nanoscale 2015
Ana Espinosa Mathieu Bugnet Guillaume Radtke Sophie Neveu Gianluigi A Botton Claire Wilhelm Ali Abou-Hassan

Multifunctional hybrid-design nanomaterials appear to be a promising route to meet the current therapeutics needs required for efficient cancer treatment. Herein, two efficient heat nano-generators were combined into a multifunctional single nanohybrid (a multi-core iron oxide nanoparticle optimized for magnetic hyperthermia, and a gold branched shell with tunable plasmonic properties in the NI...

2011
Hong-Lin Su Siou-Hong Lin Jiun-Chiou Wei I-Chuan Pao Shu-Her Chiao Chieh-Chen Huang Shinn-Zong Lin Jiang-Jen Lin

We develop a novel nanohybrid showing a strong antibacterial activity on all of the tested pathogens, including methicillin-resistant Staphylococcus auerus and silver-resistant E. coli. The nanohybrid consists of silver nanoparticles (AgNPs) supported on 1 nm-thick silicate platelets (NSPs). The AgNP/NSP nanohybrid enables to encapsulate bacteria and triggers death signals from the cell membran...

2012
Chia-Yu Chu Fu-Chuo Peng Ying-Fang Chiu Hsing-Chuan Lee Chien-Wen Chen Jiun-Chiou Wei Jiang-Jen Lin

Silver nanoparticles supported on nanoscale silicate platelets (AgNP/NSP) possess interesting properties, including a large surface area and high biocide effectiveness. The nanohybrid of AgNP/NSP at a weight ratio 7/93 contains 5-nm Ag particles supported on the surface of platelets with dimensions of approximately 80×80×1 nm(3). The nanohybrid expresses a trend of lower cytotoxicity at the con...

2011
Mohd Zobir Hussein Samer Hasan Al Ali Zulkarnain Zainal Muhammad Nazrul Hakim

An ellagic acid (EA)-zinc layered hydroxide (ZLH) nanohybrid (EAN) was synthesized under a nonaqueous environment using EA and zinc oxide (ZnO) as the precursors. Powder X-ray diffraction showed that the basal spacing of the nanohybrid was 10.4 Å, resulting in the spatial orientation of EA molecules between the interlayers of 22.5° from z-axis with two negative charges at 8,8' position of the m...

2016
Reza Saadat Franz Renz

Coated magnetite nanoparticles were linked to (68)Ga complexes used in the positron emission tomography (PET) for a new technical approach to detect cancer tissue with radiopharmaceuticals. By substitution of the Ga isotope with an alpha emitter the same compound could be used for cancer treatment. Furthermore the nanoparticles were connected to pH-sensitive complexes, enabling a pH-controlled ...

Journal: :Chemical communications 2015
Zhigang Wang Rong Ma Li Yan Xianfeng Chen Guangyu Zhu

A nanohybrid is assembled by ratiometrically co-loading Pt(IV) prodrugs and photosensitizers into layered double hydroxide nanoparticles. The nanohybrid shows synergistic cell-killing effects and is significantly active against the proliferation of cisplatin-resistant human cancer cells with nanomolar IC50 values. Profound mechanistic investigations confirm its action mode of combined chemo- an...

2016
Nimesh Shah Pallabita Basu Praveen Prakash Simon Donck Edmond Gravel Irishi N. N. Namboothiri Eric Doris

A supramolecular heterogeneous catalyst was developed by assembly and stabilization of gold nanoparticles on the surface of carbon nanotubes. A layer-by-layer assembly strategy was used and the resulting nanohybrid was involved in the catalytic oxidation of hydroxylamines under mild conditions. The nanohybrid demonstrated high efficiency and selectivity on hydroxylamine substrates.

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