نتایج جستجو برای: functionalization mnps

تعداد نتایج: 10847  

2012
Olga Krystofova Jiri Sochor Ondrej Zitka Petr Babula Vit Kudrle Vojtech Adam Rene Kizek

Nanomaterials are structures whose exceptionality is based on their large surface, which is closely connected with reactivity and modification possibilities. Due to these properties nanomaterials are used in textile industry (antibacterial textiles with silver nanoparticles), electronics (high-resolution imaging, logical circuits on the molecular level) and medicine. Medicine represents one of ...

Journal: :Nanoscale 2015
Manuel Pernia Leal Sara Rivera-Fernández Jaime M Franco David Pozo Jesús M de la Fuente María Luisa García-Martín

Magnetic resonance based molecular imaging has emerged as a very promising technique for early detection and treatment of a wide variety of diseases, including cancer, neurodegenerative disorders, and vascular diseases. The limited sensitivity and specificity of conventional MRI are being overcome by the development of a new generation of contrast agents, using nanotechnology approaches, with i...

2011
Yuntao Li Jing Liu Yuejiao Zhong Jia Zhang Ziyu Wang Li Wang Yanli An Mei Lin Zhiqiang Gao Dongsheng Zhang

PURPOSE This research was conducted to assess the biocompatibility of the core-shell Fe(3)O(4)@ Au composite magnetic nanoparticles (MNPs), which have potential application in tumor hyperthermia. METHODS Fe(3)O(4)@Au composite MNPs with core-shell structure were synthesized by reduction of Au(3+) in the presence of Fe(3)O(4)-MNPs prepared by improved co-precipitation. Cytotoxicity assay, hemo...

Journal: :Coatings 2022

This work reports on the structural modification of cellulosic materials with magnetic iron oxide nanoparticles through co-precipitation method. Cellulose is one most abundant natural polymers chemical variability brought about by presence several hydroxyl groups, allowing its surface modifications insertion groups to impact characteristics. Thus, objective this study was synthesize (MNPs) co-p...

2017
Mubashir Hussain Naveed Iqbal Raja Zia-Ur-Rehman Mashwani Muhammad Iqbal Sidra Sabir Farhat Yasmeen

In the recent years, nanotechnology has attained much attention in the every field of science. The synthesis, characterisation and applications of metallic nanoparticles (MNPs) have become an important branch of nanotechnology. In the current study, MNPs were synthesised through polyols process and applied in vitro to study their effect on medicinally important plant : Artemisia absinthium. The...

Journal: :Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2017
T Soltani B-K Lee

Bi1-xBaxFeO3 (x = 0.02, 0.04 and 0.07) multiferroic materials with a diameter in the range of 30-40 nm were controllably synthesized by a facile ultrasonic method, with a very short reaction time of 5 min at a low temperature of 30 °C, and the resulting BiFeO3 magnetic nanoparticles (BFO MNPs) exhibited enhanced magnetic and photocatalytic performance. The substitution of Ba2+ ions for Bi3+ ion...

Journal: :Journal of Thermal Analysis and Calorimetry 2022

Abstract One of the main challenges in hyperthermia treatment is how to improve heating performance nanoparticles with high specific loss power (SLP). To tackle this challenge, magnetite (MNPs) and coated polyvinyl alcohol (PVA@MNPs) were fabricated via ultrasonic-assisted coprecipitation technique. The obtained characterized by using FT-IR, TEM, TGA, XRD, ICP-OES, DLS, zeta potential, VSM UV–V...

Journal: :Arteriosclerosis and thrombosis : a journal of vascular biology 1991
H Robenek G Schmitz

It has been demonstrated that the cellular defect in Tangier disease is associated with morphological abnormalities in the lysosomal compartment and in the Golgi apparatus of mononuclear phagocytes (MNPs) after lipid loading by exposure to acetylated low density lipoproteins (acetyl-LDLs). On exposure to acetyl-LDL, Tangier MNPs accumulate two unusual types of vacuoles that were not observed in...

Journal: :Angewandte Chemie 2007
V Ajay Mallia Praveen Kumar Vemula George John Ashavani Kumar Pulickel M Ajayan

It is of tremendous interest to use nanoparticles (NPs) as building blocks for the fabrication of multifunctional mesoscale assemblies by organizing them into twoand threedimensional structures with precise size and shape control for applications based on their collective properties. 2] Several ways have been reported to create ordered assemblies of NPs by using templates that have sites with s...

Journal: :Plasmonics 2022

Abstract The influence of the plasmon three spherical metal nanoparticles (MNPs) on semiconductor quantum dot (SQD) having external fields is analyzed. density matrix equations are modified for description optical properties SQD-MNPs nanosystem. We study theoretically role plasmon–exciton dipole coupling in investigate dependence nanosystem position MNPs with respect to SQD as well material par...

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