نتایج جستجو برای: photothermal therapy

تعداد نتایج: 656381  

Treatment methods for breast cancer are not specific and each one has its own drawbacks. For this reason, scientists are seeking ways in which specifically affect cancer cells. Photothermal therapy is a method that uses near-infrared (NIR) laser energy to create sufficient heat to destroy cancer cells. In this study, the photothermal effect of gold nanorods (GNRs) was investigated for breast ca...

Treatment methods for breast cancer are not specific and each one has its own drawbacks. For this reason, scientists are seeking ways in which specifically affect cancer cells. Photothermal therapy is a method that uses near-infrared (NIR) laser energy to create sufficient heat to destroy cancer cells. In this study, the photothermal effect of gold nanorods (GNRs) was investigated for breast ca...

2018
Ling Li Suleixin Yang Linjiang Song Yan Zeng Tao He Ning Wang Chuan Yu Tao Yin Li Liu Xiawei Wei Qinjie Wu Yuquan Wei Li Yang Changyang Gong

Recently, near-infrared (NIR) light-based photothermal therapy (PTT) has been widely applied in cancer treatment. However, in most cases, the tissue penetration depth of NIR light is not sufficient and thus photothermal therapy is unable to completely eradicate deep, seated tumors inevitably leading to recurrence of the tumor. Due to this significant limitation of NIR, improved therapeutic stra...

2017
Lijuan Zhou Tao Yang Junxing Wang Qiaoli Wang Xiaoyan Lv Hengte Ke Zhengqing Guo Junkang Shen Yong Wang Chungen Xing Huabing Chen

Protein nanoparticles as nanocarriers are of particular interest in the field of cancer therapy. Nevertheless, so far a facile fabrication of theranostic protein nanoparticles have been explored with limited success for cancer imaging and therapy. In this work, we demonstrate the controllable synthesis of size-tunable Gd2O3@albumin conjugating photosensitizer (PS) (GA-NPs) using hollow albumin ...

Journal: :Nano letters 2011
Anders Kyrsting Poul M Bendix Dimitrios G Stamou Lene B Oddershede

Irradiated metallic nanoparticles hold great promise as heat transducers in photothermal applications such as drug delivery assays or photothermal therapy. We quantify the temperature increase of individual gold nanoparticles trapped in three dimensions near lipid vesicles exhibiting temperature sensitive permeability. The surface temperature can increase by hundreds of degrees Celsius even at ...

2017
Van Phuc Nguyen Sung Won Kim Hanna Kim Hyejin Kim Kwang Hyuk Seok Min Jung Jung Yeh-chan Ahn Hyun Wook Kang

The photothermal effect of a marine-oriented xanthophyll carotenoid, astaxanthin (AXT), was characterized based on its potential absorption of visible laser light and conversion of optical light energy into heat for thermal treatment. As an antioxidant and anticancer agent, AXT extracted from marine material can be utilized for photothermal therapy due to its strong light absorption. The curren...

Journal: :Advanced Materials 2023

Photothermal Therapy In article number 2301739, Wenbo Hu and co-workers present an excimer-mediated intermolecular nonradiative (interNR) decay channel to produce a giant photothermal effect for high-efficient in vivo phototheranostics. A deep understanding of the interNR provides novel guidelines developing more advanced organic materials.

Journal: :Small 2011
Charleson S Bell Shann S Yu Todd D Giorgio

Emerging materials and methods in biomedical imaging and biophotonics are improving patient outcomes. More specifi cally, the utilization of biomedical diagnostics and therapeutic advances in methods such as magnetic resonance imaging (MRI), computed tomography (CT) imaging, photoacoustic tomography, photothermal optical coherence tomography, and targeted photothermal therapy (PTT) have been sh...

2017
Jiulong Zhao Chunhua Zhou Mao Li Jialing Li Guixiang Li Dan Ma Zhaoshen Li Duowu Zou

The two-dimensional molybdenum disulfide (MoS2) nanosheet has been extensively studied as a novel photothermal transducing agent. However, top-down exfoliation to produce MoS2 nanosheets is inefficient, and MoS2 nanosheet surface modification procedures are complex. Here, we report the synchronous synthesis and surface modification of 2D MoS2 nanosheets with a polyvinylpyrrolidone (PVP)-assiste...

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