نتایج جستجو برای: photothermal

تعداد نتایج: 4225  

2013
Yucai Wang Kvar C. L. Black Hannah Luehmann Weiyang Li Yu Zhang Xin Cai Dehui Wan Si-Yun Liu Max Li Paul Kim Zhi-Yuan Li Lihong V. Wang Yongjian Liu Younan Xia

Gold nanohexapods represent a novel class of optically tunable nanostructures consisting of an octahedral core and six arms grown on its vertices. By controlling the length of the arms, their localized surface plasmon resonance peaks could be tuned from the visible to the near-infrared region for deep penetration of light into soft tissues. Herein we compare the in vitro and in vivo capabilitie...

2016
Hai-Sheng Wang Hong-Xia Chen Yue-Hong Ma

Objective: To investigate the preparation of reduced graphene oxide (reduced-NGO) and its photothermal therapy of gliomas in vivo and in vitro. Methods: Hydrazine hydrate reduction method was used to reduce graphene oxide (NGO). The morphology, diameter, stability and UV-VIS absorbance of reduced-NGO were detected firstly; and then, the photothermal conversion effect of reduced-NGO under 2 w/cm...

2011
KEVIN Y. LIN ALEXANDER F. BAGLEY ALEXIA Y. ZHANG DANIEL L. KARL SAM S. YOON SANGEETA N. BHATIA

Plasmonic nanomaterials are poised to impact the clinical management of cancer through their ability to convert externally applied energy into localized heat at sites of diseased tissue. However, characterization of plasmonic nanomaterials as cancer therapeutics has been limited to xenograft models, creating a need to extend these ̄ndings to more clinically relevant models of cancer. Here, we ev...

Journal: :Macromolecular bioscience 2013
Ching-Ping Liu Fong-Sian Lin Chih-Te Chien Sheng-Yang Tseng Chih-Wei Luo Chien-Hung Chen Jen-Kun Chen Fan-Gang Tseng Yeukuang Hwu Leu-Wei Lo Chung-Shi Yang Shu-Yi Lin

Gold nanoparticles (AuNPs) have been established to sufficiently eradicate tumors by means of heat production for photothermal therapy. However, the translation of the AuNPs from bench to the clinic still remains to be solved until realizing high bioclearance after treatment. Herein, we developed a simple strategy for simultaneous formation and assembly of small-size gold nanoparticles (Au-SNPs...

2016
Reinher Pimentel-Domínguez Amado M. Velázquez-Benítez J. Rodrigo Vélez-Cordero Mathieu Hautefeuille Francisco Sánchez-Arévalo Juan Hernández-Cordero Scott M. Husson

The advent of nanotechnology has triggered novel developments and applications for polymer-based membranes with embedded or coated nanoparticles. As an example, interaction of laser radiation with metallic and carbon nanoparticles has shown to provide optically triggered responses in otherwise transparent media. Incorporation of these materials inside polymers has led to generation of plasmonic...

2015
Daria C. Zelasko-Leon Christina M. Fuentes Phillip B. Messersmith Bing Xu

Recent studies have highlighted the overexpression of mucin 1 (MUC1) in various epithelial carcinomas and its role in tumorigenesis. These mucins present a novel targeting opportunity for nanoparticle-mediated photothermal cancer treatments due to their unique antenna-like extracellular extension. In this study, MUC1 antibodies and albumin were immobilized onto the surface of gold nanorods usin...

Journal: :Small 2017
Kanokwan Sansanaphongpricha Michael C DeSantis Hongwei Chen Wei Cheng Kai Sun Bo Wen Duxin Sun

The asymmetrical features and unique properties of multibuilding block Janus nanostructures (JNSs) provide superior functions for biomedical applications. However, their production process is very challenging. This problem has hampered the progress of JNS research and the exploration of their applications. In this study, an asymmetrical multibuilding block gold/iron oxide JNS has been generated...

Journal: :ACS nano 2013
Yucai Wang Kvar C L Black Hannah Luehmann Weiyang Li Yu Zhang Xin Cai Dehui Wan Si-Yun Liu Max Li Paul Kim Zhi-Yuan Li Lihong V Wang Yongjian Liu Younan Xia

Gold nanohexapods represent a novel class of optically tunable nanostructures consisting of an octahedral core and six arms grown on its vertices. By controlling the length of the arms, their localized surface plasmon resonance peaks could be tuned from the visible to the near-infrared region for deep penetration of light into soft tissues. Herein we compare the in vitro and in vivo capabilitie...

2014
Jingqin Chen Xiaoping Wang Tongsheng Chen

A facile and green strategy is reported for the fabrication of nanosized and reduced covalently PEGylated graphene oxide (nrGO-PEG) with great biocompatibility and high near-infrared (NIR) absorbance. Covalently PEGylated nGO (nGO-PEG) was synthesized by the reaction of nGO-COOH and methoxypolyethylene glycol amine (mPEG-NH2). The neutral and purified nGO-PEG solution was then directly bathed i...

Journal: :Biomaterials 2015
Shun Shen Sheng Wang Rui Zheng Xiaoyan Zhu Xinguo Jiang Deliang Fu Wuli Yang

In this study, the photothermal effect of magnetic nanoparticle clusters was firstly reported for the photothermal ablation of tumors both in vitro in cellular systems but also in vivo study. Compared with individual magnetic Fe3O4 nanoparticles (NPs), clustered Fe3O4 NPs can result in a significant increase in the near-infrared (NIR) absorption. Upon NIR irradiation at 808 nm, clustered Fe3O4 ...

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