Singlet oxygen generation under NIR light and visible light excitations of photosensitizers on upconversion nanoparticle surface

RSC Advances ◽  
2015 ◽  
Vol 5 (83) ◽  
pp. 67892-67895 ◽  
Author(s):  
Padmanabh Joshi ◽  
Tevhide Ozkaya Ahmadov ◽  
Peng Wang ◽  
Peng Zhang
Keyword(s):  
Visible Light ◽  
Singlet Oxygen ◽  
Near Infrared ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation ◽  
Nir Light ◽  
Nanoparticle Surface

Effects of beef tissue on singlet oxygen generation under both near-infrared and visible light excitations are investigated and compared.

Biodegradable Nano-photosensitizer with Photoactivatable Singlet Oxygen Generation for Synergistic Phototherapy

2021 ◽  
Author(s):  
Jiaxin Shen ◽  
Dandan Chen ◽  
Ye Liu ◽  
Guoyang Gao ◽  
Zhihe Liu ◽  
...  
Keyword(s):  
Photodynamic Therapy ◽  
Cancer Therapy ◽  
Singlet Oxygen ◽  
Near Infrared ◽  
Promising Method ◽  
Normal Cells ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation ◽  
Nir Light

Photodynamic therapy (PDT) is a promising method for cancer therapy and also may initiate unexpected damages to normal cells and tissues. Herein, we developed a near-infrared (NIR) light-activatable nanophotosensitizer, which...

scholarly journals Singlet oxygen generation properties of an inclusion complex of cyclic free-base porphyrin dimer and fullerene C60

RSC Advances ◽  
2017 ◽  
Vol 7 (30) ◽  
pp. 18690-18695 ◽  
Author(s):  
Yousuke Ooyama ◽  
Toshiaki Enoki ◽  
Joji Ohshita ◽  
Takuya Kamimura ◽  
Shuwa Ozako ◽  
...  
Keyword(s):  
Inclusion Complex ◽  
Visible Light ◽  
Singlet Oxygen ◽  
Visible Light Irradiation ◽  
Fullerene C60 ◽  
Light Irradiation ◽  
Free Base ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation ◽  
Porphyrin Dimer

We demonstrate that a cyclic free-base porphyrin dimer and its inclusion complex with fullerene C60 possess the ability to generate singlet oxygen (1O2) under visible light irradiation.

scholarly journals Highly efficient singlet oxygen generation, two-photon photodynamic therapy and melanoma ablation by rationally designed mitochondria-specific near-infrared AIEgens

2020 ◽  
Vol 11 (9) ◽  
pp. 2494-2503 ◽  
Author(s):  
Zheng Zheng ◽  
Haixiang Liu ◽  
Shaodong Zhai ◽  
Haoke Zhang ◽  
Guogang Shan ◽  
...  
Keyword(s):  
Photodynamic Therapy ◽  
Singlet Oxygen ◽  
Near Infrared ◽  
Molecular Engineering ◽  
Photon Absorption ◽  
Oxygen Generation ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Singlet Oxygen Generation ◽  
Highly Efficient

Mitochondria-targeted photosensitizers with highly efficient singlet oxygen generation, bright near-infrared AIE and good two-photon absorption are obtained through ingenious molecular engineering for cancer cell-selective photodynamic therapy.

Aggregation-induced emission (AIE)-active molecules bearing singlet oxygen generation activities: the tunable singlet–triplet energy gap matters

2019 ◽  
Vol 55 (10) ◽  
pp. 1450-1453 ◽  
Author(s):  
Chengkai Zhang ◽  
Yanqian Zhao ◽  
Dandan Li ◽  
Jiejie Liu ◽  
Heguo Han ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Cell Apoptosis ◽  
Near Infrared ◽  
Energy Gap ◽  
Intersystem Crossing ◽  
Triplet Energy ◽  
Oxygen Generation ◽  
Two Photon ◽  
Singlet Oxygen Generation ◽  
Infrared Excitation

Two-photon active photosensitizers showed relatively strong intersystem crossing facilitating 1O2 generation and cell apoptosis with near-infrared excitation.

scholarly journals C60@lysozyme: a new photosensitizing agent for photodynamic therapy

2017 ◽  
Vol 5 (32) ◽  
pp. 6608-6615 ◽  
Author(s):  
A. Soldà ◽  
A. Cantelli ◽  
M. Di Giosia ◽  
M. Montalti ◽  
F. Zerbetto ◽  
...  
Keyword(s):  
Photodynamic Therapy ◽  
Visible Light ◽  
Singlet Oxygen ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation ◽  
Photosensitizing Agent

C60@lysozyme showed significant visible light-induced singlet oxygen generation in a physiological environment, indicating the potential of this hybrid as an agent for photodynamic therapy.

Singlet-oxygen Generation from Nanostructures in a Near Infrared Optical Trap

2015 ◽  
Author(s):  
Bennett E. Smith ◽  
Paden B. Roder ◽  
Jennifer L. Hanson ◽  
Sandeep Manandhar ◽  
Arun Devaraj ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Near Infrared ◽  
Optical Trap ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation

Singlet-Oxygen Generation from Individual Semiconducting and Metallic Nanostructures during Near-Infrared Laser Trapping

ACS Photonics ◽  
2015 ◽  
Vol 2 (4) ◽  
pp. 559-564 ◽  
Author(s):  
Bennett E. Smith ◽  
Paden B. Roder ◽  
Jennifer L. Hanson ◽  
Sandeep Manandhar ◽  
Arun Devaraj ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Near Infrared ◽  
Metallic Nanostructures ◽  
Infrared Laser ◽  
Laser Trapping ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation
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