Sökning: "oxide nanoparticles"

Visar resultat 1 - 5 av 188 avhandlingar innehållade orden oxide nanoparticles.

1. 1. Nanoparticles : Engineering, Assembly, and Biomedical Applications

   Författare :Do Kyung Kim; KTH; []
   Nyckelord :nanoparticle; superparamagnetism; self assembly; ;

   Sammanfattning : This thesis deals with novel aspects through Nanotechnologyof"bottom-up"and"top-down"strategies in combination with Biotechnology as aninterdisciplinary study. The feasibility of chemically tailoredsuperparamagnetic iron oxide nanoparticles (SPION) forin-vivobiomedical applications has beendemonstrated. LÄS MER

3. 2. Toxicity and biological impact of metal and metal oxide nanoparticles : Focus on the vascular toxicity of ultra-small titanium dioxide nanoparticles

   Författare :Narges Bayat; Susana Cristobal; Janeck James Scott-Fordsmand; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nanoparticles; Nanotoxicology; Ultra-small nanoparticles; Biochemistry; biokemi;

   Sammanfattning : The application of nanoparticles (NPs) in different technologies has led to tremendous advancement in those fields.  Moreover, there is growing interest in application of ultra-small NPs (USNPs) at 1-3 nm due to their distinct molecule like features. Parallel to these promises, there is a growing concern regarding their safety. LÄS MER

4. 3. Superparamagnetic iron oxide nanoparticles for biomedical applications

   Författare :Do Kyung Kim; KTH; []
   Nyckelord :Nanoparticles; Superparamagnetism; Coprecipitation; Ferro #64258; uid; MRI; Brij@97; Sodium Oleate; Starch; in-vivo; Rat Brain; diffusion; T 1 relaxation; T 2 relaxation; æ -Potential; ;

   Sammanfattning : .... LÄS MER

5. 4. MRI Contrast Enhancement using Gd2O3 Nanoparticles

   Författare :Anna Klasson; Maria Engström; Linköpings universitet; []
   Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; nanoparticles; gadolinium oxide; magnetic resonance imaging; contrast agent; Medicine; Medicin;

   Sammanfattning : There is an increasing interest for nanomaterials in biomedical applications and in this work, nanoparticles of gadolinium oxide (Gd2O3) have been investigated as a novel contrast agent for Magnetic Resonance Imaging (MRI). Relaxation properties have been studied in aqueous solutions as well as in cell culture medium and the nanoparticles have been explored as cell labeling agents. LÄS MER

7. 5. Aluminium oxide - poly(ethylene-co-butylacrylate) nanocomposites : synthesis, structure, transport properties and long-term performance

   Författare :Patricia Nordell; Ulf Gedde; Lars Wågberg; Minna Hakkarainen; KTH; []
   Nyckelord :nanocomposite; nanoparticles; aluminium oxide; poly ethylene-co-butyl acrylate ; silanization; dispersion; Irganox 1010; antioxidant; OIT; sorption kinetics; water; nanokomposit; nanopartiklar; aluminium oxid; poly eten-co-butyl akrylat ; silanisering; dispergering; Irganox 1010; antioxidant; OIT; vattenupptag.;

   Sammanfattning : Polymer nanocomposites are promising materials for dielectrical use in high voltage applications and insulations. This work presents a study of nanocomposites based on poly(ethylene-co-butyl acrylate) with two different comonomer compositions and two different aluminium oxide nanoparticles. LÄS MER