Near infrared light-mediated enhancement of reactive oxygen species generation through electron transfer from graphene oxide to iron hydroxide/oxide

Nanoscale ◽  
2017 ◽  
Vol 9 (4) ◽  
pp. 1559-1566 ◽  
Author(s):  
Yue He ◽  
Andrea del Valle ◽  
Yu Qian ◽  
Yu-Fen Huang
Keyword(s):  
Reactive Oxygen Species ◽  
Electron Transfer ◽  
Graphene Oxide ◽  
Near Infrared ◽  
Iron Hydroxide ◽  
Reactive Oxygen Species Generation ◽  
Reactive Oxygen ◽  
Infrared Light ◽  
Oxygen Species ◽  
Near Infrared Light

Plasmon-Mediated Generation of Reactive Oxygen Species from Near-Infrared Light Excited Gold Nanocages for Photodynamic Therapyin Vitro

ACS Nano ◽  
2014 ◽  
Vol 8 (7) ◽  
pp. 7260-7271 ◽  
Author(s):  
Liang Gao ◽  
Ru Liu ◽  
Fuping Gao ◽  
Yaling Wang ◽  
Xinglu Jiang ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Near Infrared ◽  
Reactive Oxygen ◽  
Infrared Light ◽  
Oxygen Species ◽  
Near Infrared Light ◽  
Gold Nanocages

Near infrared light triggered reactive oxygen species responsive nanoparticles for chemo-photodynamic combined therapy

2018 ◽  
Vol 6 (15) ◽  
pp. 2347-2357 ◽  
Author(s):  
Xuefei Zhang ◽  
Binyao Huang ◽  
Yifeng Shen ◽  
Chanzhen Yang ◽  
Zeqian Huang ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Drug Release ◽  
Near Infrared ◽  
Combined Therapy ◽  
Reactive Oxygen ◽  
Infrared Light ◽  
Oxygen Species ◽  
Near Infrared Light

Nanoparticles with ROS-responsive properties could realize spatial and temporal drug release under NIR irradiation and the excess ROS could be used for PDT.

scholarly journals Mesoporous semiconductors combined with up-conversion nanoparticles for enhanced photodynamic therapy under near infrared light

RSC Advances ◽  
2019 ◽  
Vol 9 (30) ◽  
pp. 17273-17280 ◽  
Author(s):  
Fan Yang ◽  
Jun Liu ◽  
Xue Jiang ◽  
Weiwei Wu ◽  
Zhenni Wang ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Photodynamic Therapy ◽  
Tumor Cells ◽  
Near Infrared ◽  
Tumor Therapy ◽  
Reactive Oxygen ◽  
Infrared Light ◽  
Oxygen Species ◽  
Near Infrared Light

Photodynamic therapy (PDT) is a promising and effective method for tumor therapy that relies on the reactive oxygen species (ROS) produced by photosensitizers at specific wavelengths to inhibit tumor cells.

scholarly journals Plasmonic Hot-Electron Reactive Oxygen Species Generation: Fundamentals for Redox Biology

2020 ◽  
Vol 8 ◽  
Author(s):  
Elisa Carrasco ◽  
Juan Carlos Stockert ◽  
Ángeles Juarranz ◽  
Alfonso Blázquez-Castro
Keyword(s):  
Reactive Oxygen Species ◽  
Near Infrared ◽  
Chemical Reactivity ◽  
Reactive Oxygen Species Generation ◽  
Reactive Oxygen ◽  
Ros Generation ◽  
Oxygen Species ◽  
Hot Electron ◽  
Redox Biology

For decades, the possibility to generate Reactive Oxygen Species (ROS) in biological systems through the use of light was mainly restricted to the photodynamic effect: the photoexcitation of molecules which then engage in charge- or energy-transfer to molecular oxygen (O2) to initiate ROS production. However, the classical photodynamic approach presents drawbacks, like per se chemical reactivity of the photosensitizing agent or fast molecular photobleaching due to in situ ROS generation, to name a few. Recently, a new approach, which promises many advantages, has entered the scene: plasmon-driven hot-electron chemistry. The effect takes advantage of the photoexcitation of plasmonic resonances in metal nanoparticles to induce a new cohort of photochemical and redox reactions. These metal photo-transducers are considered chemically inert and can undergo billions of photoexcitation rounds without bleaching or suffering significant oxidative alterations. Also, their optimal absorption band can be shape- and size-tailored in order to match any of the near infrared (NIR) biological windows, where undesired absorption/scattering are minimal. In this mini review, the basic mechanisms and principal benefits of this light-driven approach to generate ROS will be discussed. Additionally, some significant experiments in vitro and in vivo will be presented, and tentative new avenues for further research will be advanced.

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