نتایج جستجو برای: magnetic polydopamine nanocomposite

تعداد نتایج: 351998  

Ardeshir Bagheri, Davood Ghanbari, Hamed Halakouie, Mahdi Mousayi Nakisa Asiabani

In this work, the investigation of wave absorption, phase formation, crystal structure and magnetic properties of SrFe12O19 hexa-ferrites nanoparticles that synthesized by co-precipitation using a microwave heating system and polyaniline-SrFe12O19 was carried out by using a combination of vector network analyser (VNA), X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier tra...

Background: Magnetic resonance imaging (MRI) using nanostructures has been a proper method for tumor targeting purposes. Different MRI nanomaterials, targeting agents and anticancer drugs have been used for targeting of tumors. Objectives: This study aims to consider the MRI property of doxorubicin (DOX)-loaded gadolinium/13X zeolite/folic acid (Gd3+/13X/FA) nanocomposite.<br /...

2013
Xiaohua Liu Shuangyi Liu Myung-Geun Han Lukas Zhao Haiming Deng Jackie Li Yimei Zhu Lia Krusin-Elbaum Stephen O’Brien

Transition metal ferrites such as CoFe2O4, possessing a large magnetostriction coefficient and high Curie temperature (Tc > 600 K), are excellent candidates for creating magnetic order at the nanoscale and provide a pathway to the fabrication of uniform particle-matrix films with optimized potential for magnetoelectric coupling. Here, a series of 0-3 type nanocomposite thin films composed of fe...

Journal: :Acta biochimica et biophysica Sinica 2012
Di Zhao Xinchen Sun Jinglong Tong Jun Ma Xiaodong Bu Ruizhi Xu Renhua Fan

Radiotherapy is the major treatment for nasopharyngeal carcinoma, a malignant tumor of epithelial origin. In this process, a tracer with high sensitivity is pivotal for diagnostic imaging in radiotherapy. Here, we designed a novel multifunctional magnetic silver nanocomposite, Fe(3)O(4)/Ag conjugated to an epidermal growth factor receptor-specific antibody (C225), which can be potentially used ...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2014
Xuetao Shi Serge Ostrovidov Yiwei Shu Xiaobin Liang Ken Nakajima Hongkai Wu Ali Khademhosseini

Engineered surface-bound molecular gradients are of great importance for a range of biological applications. In this paper, we fabricated a polydopamine gradient on a hydrophobic surface. A microfluidic device was used to generate a covalently conjugated gradient of polydopamine (PDA), which changed the wettabilty and the surface energy of the substrate. The gradient was subsequently used to en...

2006
Zhanhu Guo Sung Park H. Thomas Hahn

Magnetic nanoparticles (NPs) have attracted much interest due to their special physicochemical properties such as enhanced magnetic moment and coercivity different from the bulk and atomic counterparts. Incorporation of the inorganic NPs into a polymer matrix has extended the particle applications such as in high-sensitivity chemical gas sensors due to the advantages of polymeric nanocomposites...

Journal: :Journal of the Society of Powder Technology, Japan 1996

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