نتایج جستجو برای: polyglycerol coated spions
تعداد نتایج: 47927 فیلتر نتایج به سال:
As an alternative to classical brachytherapy, intratumoral injection of radionuclide-labeled nanoparticles (nanobrachytherapy, NBT) has been investigated as a superior delivery method over intravenous route for radionuclide therapy solid tumors. We created superparamagnetic iron oxide (SPIONs) coated with meso-1,2-dimercaptosuccinic acid (DMSA) and radiolabeled Lutetium-177 (177Lu), generating ...
Recent progress in nanotechnology and electrochemical methods can be applied to fine control of the size, crystal structure, and surface properties of iron oxide nanoparticles. Here we appliedcathodic electrochemical deposition (CED) as an efficient and effective tactic for synthesisand double coating of surface of superparamagnetic iron oxide nanoparticles (SPIONs). In first step, bare Fe3O4 n...
OBJECTIVE Superparamagnetic iron oxide nanoparticles (SPIONs) have been used to label mammalian cells and to monitor their fate in vivo using magnetic resonance imaging (MRI). However, the effectiveness of phenotype of labeled cells by SPIONs is still a matter of question. The aim of this study was to investigate the efficiency and biological effects of labeled mouse embryonic stem cells (mESCs...
Preparation of iron salts Fe + 3 Fe+2 This study aims to prepare super-magnetic nanoparticles coated with chitosan-CS SPIONs in an easy and inexpensive chemical way, which is the method co-precipitation mediated aqueous solution mixing it a chitosan CS dissolved dilute citric acid 1 % precipitation this mixture NaOH sodium citrate as surfactant inside closed system using inert atmosphere for ni...
Medical imaging is routine in the diagnosis and staging of a wide range of medical conditions. In particular, magnetic resonance imaging (MRI) is critical for visualizing soft tissue and organs, with over 60 million MRI procedures performed each year worldwide. About one-third of these procedures are contrast-enhanced MRI, and gadolinium-based contrast agents (GBCAs) are the mainstream MRI cont...
CMS, core-multishell; NR, Nile red; MTX, methotrexate; mPEG, methoxypoly(ethylene glycol); PG, polyglycerol; dPG, dendritic polyglycerol; PEG, poly(ethylene glycol); CMS-mPEG, coremultishell nanocarrier with a mPEG outer shell; EPR, enhanced permeation and retention; PG[G1], polyglycerol dendron of generation 1; PG[G2], polyglycerol dendron of generation 2; CMS-G1, core-multishell nanocarrier w...
Magnetic nanoparticles are interesting tools for biomedicine. Before application, critical prerequisites have to be fulfilled. An important issue is the contact and interaction with biological barriers such as the blood-placenta barrier. In order to study these processes in detail, suitable in vitro models are needed. For that purpose a blood-placenta barrier model based on the trophoblast-like...
Cancer is a leading cause of death worldwide and it is caused by the interaction of genomic, environmental, and lifestyle factors. Although chemotherapy is one way of treating cancers, it also damages healthy cells and may cause severe side effects. Therefore, it is beneficial in drug delivery in the human body to increase the proportion of the drugs at the target site while limiting its exposu...
Understanding how nanoparticles may affect immune responses is an essential prerequisite to developing novel clinical applications. To investigate nanoparticle-dependent outcomes on immune responses, dendritic cells (DCs) were treated with model biomedical poly(vinylalcohol)-coated super-paramagnetic iron oxide nanoparticles (PVA-SPIONs). PVA-SPIONs uptake by human monocyte-derived DCs (MDDCs) ...
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