نتایج جستجو برای: fe3o4 mnps

تعداد نتایج: 5778  

Journal: :IEEE Sensors Journal 2022

The low-cost, simple, and fast quantitative assay of magnetic nanoparticles (MNPs) is important for the development magnetic-based immunoassay applications. However, bulky sensing element instruments recent iron oxide-based MNPs assays are still concerns that should be resolved. This article reports new platform an label using commercial giant magnetoresistance (GMR) chip AAL024, manufactured b...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

this paper describes the development of a procedure for pb(ii) ions removal from various water samples after magnetic solid phase extraction (mnps) by magnetite nanoparticles (fe3o4 nps) modified with sodium dodecyl sulfate (sds) and pyrrolidine-1-dithiocarboxylic acid ammonium (pdtcaa). the synthesis of fe3o4 nps was certified by characterization techniques including field emission scanning el...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کردستان - دانشکده علوم پایه 1393

در این پایان نامه، سیلیکا سولفوریک اسید تثبیت شده بر روی نانو ذرات مغناطیسی(mnps-ssa) fe3o4 به عنوان یک نانو کاتالیزگر مغناطیسی برای سنتز بنزایمیـدازول ها از واکنش ارتو فنـیلن دی آمین و آلدهید ها در حلال استو نیتریل و دمای?c 78 مورد استفاده قرار گرفته است .همچنین از این کاتالیزگر برای سنتز بیس (ایندولیل) متان ها از طریق واکنش جانشینی الکتروفیلی اینـدول با آلدهید ها در حلال اتانول و دمای?c50 است...

2017
Qiu Yang Wenxian Liu Bingqing Wang Weina Zhang Xiaoqiao Zeng Cong Zhang Yongji Qin Xiaoming Sun Tianpin Wu Junfeng Liu Fengwei Huo Jun Lu

Composites incorporating metal nanoparticles (MNPs) within metal-organic frameworks (MOFs) have broad applications in many fields. However, the controlled spatial distribution of the MNPs within MOFs remains a challenge for addressing key issues in catalysis, for example, the efficiency of catalysts due to the limitation of molecular diffusion within MOF channels. Here we report a facile strate...

Journal: :Journal of biomedical materials research. Part A 2015
Magdalena Radović María Pilar Calatayud Gerardo Fabián Goya Manuel Ricardo Ibarra Bratislav Antić Vojislav Spasojević Nadežda Nikolić Drina Janković Marija Mirković Sanja Vranješ-Đurić

Two different types of magnetic nanoparticles (MNPs) were synthesized in order to compare their efficiency as radioactive vectors, Fe₃O₄-Naked (80 ± 5 nm) and polyethylene glycol 600 diacid functionalized Fe₃O₄(Fe₃O₄-PEG600) MNPs (46 ± 0.6 nm). They were characterized based on the external morphology, size distribution, and colloidal and magnetic properties. The obtained specific power absorpti...

2013
Won Jun Yang Jong Ho Lee Seong Cheol Hong Jaewook Lee Jaebeom Lee Dong-Wook Han

Recently, many nanomedical studies have been focused on magnetic nanoparticles (MNPs) because MNPs possess attractive properties for potential uses in imaging, drug delivery, and theranostics. MNPs must have optimized size as well as functionalized surface for such applications. However, careful cytotoxicity and genotoxicity assessments to ensure the biocompatibility and biosafety of MNPs are e...

2011
Jun Wang Baoan Chen Jian Chen Xiaohui Cai Guohua Xia Ran Liu Pingsheng Chen Yu Zhang Xuemei Wang

BACKGROUND A promising approach to optimize the disposition of daunorubicin-loaded magnetic nanoparticles (DNR-MNPs) was developed to minimize serious side effects of systematic chemotherapy for cancer. METHODS The physical properties of DNR-MNPs were investigated and their effect on leukemia cells in vitro was evaluated by a standard WST-1 cell proliferation assay. Furthermore, cell apoptosi...

In this work, we investigate the loading and conjugation of Curcumin on oleic acid (OA) and citric acid (CA) functionalized iron oxide nanoparticles and its applications in improving contrast in MRI. Magnetic iron oxide nanoparticles (Fe3O4, MNPs) synthesized using the co-precipitation method and characterized by XRD, DLS, FT-IR, VSM and SEM. FT-IR results confirmed functionalization with oleic...

Journal: :Toxicology in vitro : an international journal published in association with BIBRA 2012
Esther Belade Lucie Armand Laurent Martinon Laurence Kheuang Jocelyne Fleury-Feith Armelle Baeza-Squiban Sophie Lanone Marie-Annick Billon-Galland Jean-Claude Pairon Jorge Boczkowski

Several studies suggest that the biological responses induced by manufactured nanoparticles (MNPs) may be linked to their accumulation within cells. However, MNP internalisation has not yet been sufficiently characterised. Therefore, the aim of this study was to compare the intracellular uptake of three different MNPs: two made of carbon black (CB) and one made of titanium dioxide (TiO(2)), in ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید