نتایج جستجو برای: functionalized nanoparticles

تعداد نتایج: 124700  

2017
Christian Brand Pasquale Iacono Carlos Pérez‐Medina Willem J. M. Mulder Moritz F. Kircher Thomas Reiner

Here, we report a method to specifically bind liposomal radiopharmaceuticals to a CoCrMo alloy, which can be used in arterial stents, via an irreversible inverse electron-demand Diels-Alder reaction. Inspired by recent accomplishments in pre-targeted imaging using tetrazine-trans-cyclooctene click chemistry, we synthesized 89Zr-labeled trans-cyclooctene-functionalized liposomal nanoparticles, w...

2017
Zhuo Wu Xiao-Lin Xu Jun-Zhao Zhang Xu-Hong Mao Ming-Wei Xie Zi-Liang Cheng Lie-Jing Lu Xiao-Hui Duan Li-Ming Zhang Jun Shen

Amylose is a promising nanocarrier for gene delivery in terms of its good biocompatibility and high transfection efficiency. Small interfering RNA against survivin (survivin-siRNA) can cause tumor apoptosis by silencing a hepatocellular carcinoma (HCC)-specific gene at the messenger RNA level. In this study, we developed a new class of folate-functionalized, superparamagnetic iron oxide (SPIO)-...

Journal: :Chemical communications 2009
Wen-Hui Zhou Chun-Ling Zhu Chun-Hua Lu Xiuchun Guo Farong Chen Huang-Hao Yang Xiaoru Wang

The high sensitive immunoassay of protein cancer biomarkers is achieved by using of peroxidase-mimicking DNAzyme heavily functionalized gold nanoparticles as catalytic probe.

2006
RACHEL K. O’REILLY MAISIE J. JORALEMON CRAIG J. HAWKER KAREN L. WOOLEY

Block copolymer micelles and shell cross-linked nanoparticles (SCKs) presenting Click-reactive functional groups on their surfaces were prepared using two separate synthetic strategies, each employing functionalized initiators for the controlled radical polymerization of acrylate and styrenic monomers to afford amphiphilic block copolymers bearing an alkynyl or azido group at the a-terminus. Th...

Journal: :Ultrasonics sonochemistry 2013
Javad Safari Zohre Zarnegar

Fe(3)O(4) nanoparticles were prepared by chemical coprecipitation method and subsequently coated with 3-aminopropyltriethoxysilane (APTES) via silanization reaction. Grafting of chlorosulfuric acid on the amino-functionalized Fe(3)O(4) nanoparticles afforded sulfamic acid-functionalized magnetic nanoparticles (SA-MNPs). SA-MNPs was found to be a mild and effective solid acid catalyst for the ef...

Journal: :Physical chemistry chemical physics : PCCP 2015
Zhou Han Xinhuan Wang Chenglin Heng Qiusen Han Shuanfei Cai Jingying Li Cui Qi Wei Liang Rong Yang Chen Wang

Today cancer is one of the most life-threatening diseases in the world. The conventional cancer therapies, including surgery, chemo- and radiation therapies, have some disadvantages, such as limited efficiency and significant side effects. It is necessary to develop new therapeutic treatments. Herein, we integrated the targeted photocatalytic and chemotherapy in a multifunctional drug-delivery ...

Journal: :international journal of environmental research 2014
m. hosseini z memari m.r. ganjali m. khoobi f. faridbod

in this work, a novel hg2+ sensitive fluorescent chemosensor is constructed. the proposednano-chemosensor was prepared through the preparation of 3-(benzo[d]thiazol-2-yl)-7-hydroxy-2h-chromen-2-one functionalized silica nanoparticles which has high magnetization properties (btc-fe3o4@sio2). theûnal product was characterized by fourier transform infrared spectroscopy (ft-ir), thermal gravimetric...

2014
Nuri Oh Ji-Ho Park

Engineered nanoparticles that can be injected into the human body hold tremendous potential to detect and treat complex diseases. Understanding of the endocytosis and exocytosis mechanisms of nanoparticles is essential for safe and efficient therapeutic application. In particular, exocytosis is of significance in the removal of nanoparticles with drugs and contrast agents from the body, while e...

Journal: :Chemical communications 2011
Zhiliang Zhang Yongqiang Wen Ying Ma Jia Luo Lei Jiang Yanlin Song

Highly stable silver nanoparticle-oligonucleotide conjugates were prepared. Based on the mixed DNA-functionalized silver nanoparticles (AgNPs), multiplex DNA detections were demonstrated successfully by SERS.

Journal: :Chemical communications 2008
Pilar Calero Elena Aznar J Manuel Lloris Maria D Marcos Ramón Martínez-Máñez José V Ros-Lis Juan Soto Félix Sancenón

Silica nanoparticles functionalized with chromogenic spirobenzopyran and thiourea subunits show selective colour changes in the presence of certain long-chain carboxylates.

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