نتایج جستجو برای: superparamagnetic

تعداد نتایج: 3546  

2014
Sihan Xue Yao Wang Mengxing Wang Lu Zhang Xiaoxia Du Hongchen Gu Chunfu Zhang

In this study, a novel magnetic resonance imaging (MRI)/computed tomography (CT)/fluorescence trifunctional probe was prepared by loading iodinated oil into fluorescent mesoporous silica-coated superparamagnetic iron oxide nanoparticles (i-fmSiO4@SPIONs). Fluorescent mesoporous silica-coated superparamagnetic iron oxide nanoparticles (fmSiO4@SPIONs) were prepared by growing fluorescent dye-dope...

Journal: :Chemical communications 2012
Hongguang Li Mohammad H El-Dakdouki David C Zhu George S Abela Xuefei Huang

Water-soluble, β-cyclodextrin conjugated superparamagnetic nanoparticles have been constructed. These particles showed selective binding to cholesterol crystals, which opens the door for the detection of cholesterol crystal-related diseases such as atherosclerosis by magnetic resonance imaging (MRI).

Journal: :Chemical communications 2009
Ling Li Eugene Shi Guang Choo Xiaosheng Tang Jun Ding Junmin Xue

Cage-like silica hollow spheres loaded with superparamagnetic iron oxide nanoparticles incorporated in their macroporous shells are synthesized in a facile manner through a one-step oil-in-diethylene glycol (DEG) microemulsion route.

Journal: :Chemical communications 2014
Maneea Eizadi Sharifabad Ben Hodgson Mourad Jellite Tim Mercer Tapas Sen

Lipase immobilized novel high surface area core-shell superparamagnetic nanoparticles have been fabricated and used as efficient reusable catalysts for the selective production of pharmaceutically important chiral isomers from meso-cyclopent-2-en-1,4-diacetate.

Journal: :Chemical communications 2013
Yang Wang Cristina Blanco-Andujar Zheng-liang Zhi Po-Wah So Nguyen Thi Kim Thanh John C Pickup

A novel strategy for delivering functionalised superparamagnetic iron oxide nanoparticles to the outer surface of pancreatic islet grafts, using chemically modified polymeric nanolayers, has been developed for tracking of engrafted pancreatic islets by magnetic resonance imaging.

Journal: :Journal of Applied Physics 2022

A magnetocaloric effect (MCE) with sizable isothermal entropy change (ΔS) maintained over a broad range of temperatures above the blocking temperature is reported for rare earth-free superparamagnetic nanoparticle system comprising Fe–TiN heterostructure. Superparamagnetic iron (Fe) particles were embedded in titanium nitride (TiN) thin film matrix TiN/Fe/TiN multilayered pattern using pulsed l...

Journal: :international journal of nanoscience and nanotechnology 2013
z. khayat sarkar f. khayat sarkar

this study investigated the applicability of polyethylene glycol (peg-4000) coated fe3o4 magnetic nanoparticles for the selective removal of toxic pb (ii) ion from wastewater. the fe3o4 magnetic nanoparticles of 24 nm were synthesized using a coprecipitation method and characterized by scanning electron microscopy (sem), vibratingsample magnetometer (vsm), and x-ray diffraction (xrd). sem image...

2009
Nguyen Hoang Hai Nguyen Hoang Luong Nguyen Chau

Superparamagnetic particles are widely used for biological applications such as cell separation. The size of the particles is normally in the range of 10 – 20 nm which is much smaller than the size of a cell. Therefore small particles create small force which is not strong enough to separate the cells from solution. Superparamagnetic nanoparticles embedded in Polystyrene microspheres (magnetic ...

Journal: :Biomacromolecules 2011
Krzysztof Babiuch Ralf Wyrwa Kerstin Wagner Thomas Seemann Stephanie Hoeppener C Remzi Becer Ralf Linke Michael Gottschaldt Jürgen Weisser Matthias Schnabelrauch Ulrich S Schubert

It is demonstrated that water-soluble, glucosylated poly(pentafluorostyrene) derivatives revealed favorable coating material properties for magnetic iron oxide nanoparticles. To prepare the coating material in high reproducibility and purity as well as in sufficient amounts, a new route of synthesis is established. The preparation and characterization of the glucosylated, tetrafluorostyryl mono...

2010
Chase W Kessinger Chalermchai Khemtong Osamu Togao Masaya Takahashi Baran D Sumer Jinming Gao

The objective of this study was to develop and evaluate an avb3-specific nanoprobe consisting of fluorescent superparamagnetic polymeric micelles (FSPPM) for in vivo imaging of tumor angiogenesis. Spherical micelles were produced using poly(ethylene glycol)-b-poly(D,L-lactide) co-polymers conjugated with tetramethylrhodamine, a fluorescent dye, and loaded with superparamagnetic iron oxide nanop...

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