Monitoring of optical properties of tumors during laser plasmon photothermal therapy
© 2024 Wiley‐VCH GmbH..
We studied grafted tumors obtained by subcutaneous implantation of kidney cancer cells into male white rats. Gold nanorods with a plasmon resonance of about 800 nm were injected intratumorally for photothermal heating. Experimental irradiation of tumors was carried out percutaneously using a near-infrared diode laser. Changes in the optical properties of the studied tissues in the spectral range 350-2200 nm under plasmonic photothermal therapy (PPT) were studied. Analysis of the observed changes in the absorption bands of water and hemoglobin made it possible to estimate the depth of thermal damage to the tumor. A significant decrease in absorption peaks was observed in the spectrum of the upper peripheral part and especially the tumor capsule. The obtained changes in the optical properties of tissues under laser irradiation can be used to optimize laboratory and clinical PPT procedures.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:17 |
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| Enthalten in: |
Journal of biophotonics - 17(2024), 4 vom: 30. Apr., Seite e202300322 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Genin, Vadim D [VerfasserIn] |
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| Links: |
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| Themen: |
7440-57-5 |
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| Anmerkungen: |
Date Completed 12.04.2024 Date Revised 12.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/jbio.202300322 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a We studied grafted tumors obtained by subcutaneous implantation of kidney cancer cells into male white rats. Gold nanorods with a plasmon resonance of about 800 nm were injected intratumorally for photothermal heating. Experimental irradiation of tumors was carried out percutaneously using a near-infrared diode laser. Changes in the optical properties of the studied tissues in the spectral range 350-2200 nm under plasmonic photothermal therapy (PPT) were studied. Analysis of the observed changes in the absorption bands of water and hemoglobin made it possible to estimate the depth of thermal damage to the tumor. A significant decrease in absorption peaks was observed in the spectrum of the upper peripheral part and especially the tumor capsule. The obtained changes in the optical properties of tissues under laser irradiation can be used to optimize laboratory and clinical PPT procedures | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a kidney cancer | |
| 650 | 4 | |a optical properties | |
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| 700 | 1 | |a Kirillin, Mikhail Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Kurakina, Daria A |e verfasserin |4 aut | |
| 700 | 1 | |a Navolokin, Nikita A |e verfasserin |4 aut | |
| 700 | 1 | |a Terentyuk, Georgy S |e verfasserin |4 aut | |
| 700 | 1 | |a Khlebtsov, Boris N |e verfasserin |4 aut | |
| 700 | 1 | |a Khlebtsov, Nikolai G |e verfasserin |4 aut | |
| 700 | 1 | |a Maslyakova, Galina N |e verfasserin |4 aut | |
| 700 | 1 | |a Tuchin, Valery V |e verfasserin |4 aut | |
| 700 | 1 | |a Genina, Elina A |e verfasserin |4 aut | |
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