نتایج جستجو برای: super paramagnetic iron
تعداد نتایج: 201114 فیلتر نتایج به سال:
Background Self-navigation (SN) in 3D radial segmented MR imaging [1] has been shown to be an efficient and robust method for depiction of coronary luminal anatomy using MRI. This method has largely been used at 1.5T using SSFP readouts to provide the high blood to myocardium contrast required for vessel segmentation and SN. However, bSSFP imaging is often confounded by off-resonance artifacts ...
This study determines the effect of naked and heparinbased super-paramagnetic iron oxide nanoparticles on the human cancer cell lines of A2780. Doxorubicin was used as the anticancer drug, entrapped in the SPIO-NPs. This study aimed to decorate nanoparticles with heparin, a molecular ligand for ‘active’ targeting of cancerous cells and the application of modified-nanoparticles in cancer treatme...
Droplet-based microfluidic system for biogenic paramagnetic nanoparticle synthesis is reported in this study. The engineered recombinant Escherichia coli (E. coli), which expressed heavy metal-binding proteins, were injected to droplets in the microchannel together with iron and manganese solution. Homogeneous droplets were generated and went through a serpentine channel to mix the three compon...
AIM Superparamagnetic iron oxide nanoparticles (SPIONs) may play an important role in nanomedicine by serving as drug carriers and imaging agents. In this study, we present the biodistribution and pharmacokinetic properties of SPIONs using a new detection method, particle electron paramagnetic resonance (pEPR). MATERIALS & METHODS The pEPR technique is based on a low-field and low-frequency e...
High density DNA arrays used to monitor gene expression at a genomic scale have produced vast amounts of information which require the development of e cient computational methods to analyze them The important rst step is to extract the fundamental patterns of gene expression inherent in the data This paper de scribes the application of a novel clustering algorithm Super Paramagnetic Cluster in...
The finding that ferredoxin and photosynthetic pyridine nucleotide reductase contain approximately equimolar amounts of “labile” sulfide and nonheme iron, and that both of these components are liberated in inorganic form with attendant inactivation upon acid treatment of these proteins (3-5), has stimulated considerable interest in the chemical nature and function of labile sulfide in oxidizing...
High-density DNA arrays, used to monitor gene expression at a genomic scale, have produced vast amounts of information which require the development of efficient computational methods to analyze them. The important first step is to extract the fundamental patterns of gene expression inherent in the data. This paper describes the application of a novel clustering algorithm, Super-Paramagnetic Cl...
-Six well-characterized soil kaolins from widely separated sites in south-western Australia and four reference kaolins were studied by 57Fe M6ssbauer spectroscopy at room temperature after removal of non-structurally-bound iron with dithionite-citrate-bicarbonate solution. The soil kaolins and one of the reference kaolins were also studied at temperatures near 16 K. The soil kaolins were remark...
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