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Applied Sciences (Switzerland), volume 9, issue 9, pages 1918

Towards Bimodal Optical Monitoring of Photodynamic Therapy with Targeted Nanoconstructs: A Phantom Study

Perekatova Valeriya 1
Orlova Anna 1
Sergeeva Ekaterina 1
Khilov Aleksandr 1
Nerush Anastasiya 1
Mallidi Srivalleesha 2, 3
Hasan Tayyaba 2
2
 
Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
3
 
Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
Publication typeJournal Article
Publication date2019-05-10
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor2.7
ISSN20763417
Computer Science Applications
Process Chemistry and Technology
General Materials Science
Instrumentation
General Engineering
Fluid Flow and Transfer Processes
Abstract

Increase of the efficiency of photodynamic therapy (PDT) requires the development of advanced protocols employing both novel photosensitizer (PS) carriers and aids for online monitoring. Nanoconstructs may be comprised of a photosensitizer, chemotherapy drugs, or inhibitors of molecular pathways that support cancer growth. In this paper, we analyze the efficiency of a bimodal approach involving fluorescence and optoacoustic imaging in monitoring drug distribution and photobleaching. The study evaluates typical sensitivities of these techniques to the presence of the two key moieties of a nanoconstruct: benzoporphyrin derivatives (BPD) serving as a PS, and IRDye800 acting as a contrast agent. Both imaging modalities employ dual-wavelength probing at the wavelengths corresponding to absorption peaks of BPD and IRDye800, which enables their separate detection. In an experiment on a tissue-mimicking phantom with inclusions containing separate BPD and IRDye800 solutions, fluorescence imaging demonstrated higher contrast as compared to optoacoustic imaging for both components, though strong light scattering in the surrounding media restricted accurate localization of the markers. It was also sensitive to photobleaching, which is a measure of PDT efficiency. Optoacoustic imaging demonstrated sufficient sensitivity to both components, though less than that of fluorescence imaging, however, it enabled depth-resolved detection of an absorber and estimation of its relative content. Employment of the bimodal approach in monitoring of PS photobleaching adds to its potential in intraprocedural PDT monitoring.

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Kurakina D. et al. Towards Bimodal Optical Monitoring of Photodynamic Therapy with Targeted Nanoconstructs: A Phantom Study // Applied Sciences (Switzerland). 2019. Vol. 9. No. 9. p. 1918.
GOST all authors (up to 50) Copy
Kurakina D., Kirillin M., Perekatova V., Plekhanov V., Orlova A., Sergeeva E., Khilov A., Nerush A., Subochev P., Mallidi S., Turchin I. V., Hasan T. Towards Bimodal Optical Monitoring of Photodynamic Therapy with Targeted Nanoconstructs: A Phantom Study // Applied Sciences (Switzerland). 2019. Vol. 9. No. 9. p. 1918.
RIS |
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RIS Copy
TY - JOUR
DO - 10.3390/app9091918
UR - https://doi.org/10.3390%2Fapp9091918
TI - Towards Bimodal Optical Monitoring of Photodynamic Therapy with Targeted Nanoconstructs: A Phantom Study
T2 - Applied Sciences (Switzerland)
AU - Kirillin, Mikhail
AU - Perekatova, Valeriya
AU - Orlova, Anna
AU - Sergeeva, Ekaterina
AU - Khilov, Aleksandr
AU - Nerush, Anastasiya
AU - Subochev, Pavel
AU - Mallidi, Srivalleesha
AU - Hasan, Tayyaba
AU - Kurakina, Daria
AU - Plekhanov, Vladimir
AU - Turchin, Il'ya V.
PY - 2019
DA - 2019/05/10 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1918
IS - 9
VL - 9
SN - 2076-3417
ER -
BibTex |
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BibTex Copy
@article{2019_Kurakina,
author = {Mikhail Kirillin and Valeriya Perekatova and Anna Orlova and Ekaterina Sergeeva and Aleksandr Khilov and Anastasiya Nerush and Pavel Subochev and Srivalleesha Mallidi and Tayyaba Hasan and Daria Kurakina and Vladimir Plekhanov and Il'ya V. Turchin},
title = {Towards Bimodal Optical Monitoring of Photodynamic Therapy with Targeted Nanoconstructs: A Phantom Study},
journal = {Applied Sciences (Switzerland)},
year = {2019},
volume = {9},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {may},
url = {https://doi.org/10.3390%2Fapp9091918},
number = {9},
pages = {1918},
doi = {10.3390/app9091918}
}
MLA
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MLA Copy
Kurakina, Daria, et al. “Towards Bimodal Optical Monitoring of Photodynamic Therapy with Targeted Nanoconstructs: A Phantom Study.” Applied Sciences (Switzerland), vol. 9, no. 9, May. 2019, p. 1918. https://doi.org/10.3390%2Fapp9091918.
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