Simulation and
Cancer
Computer Simulations
Dose Enhance
GNR-PEG-Folate
Heat Transfer
Hyperthermia, Induced
Theranostic Nanomedicine
Journal
Journal of biomedical physics & engineering
ISSN: 2251-7200
Titre abrégé: J Biomed Phys Eng
Pays: Iran
ID NLM: 101589641
Informations de publication
Date de publication:
Aug 2021
Aug 2021
Historique:
received:
10
01
2019
accepted:
28
02
2019
entrez:
30
8
2021
pubmed:
31
8
2021
medline:
31
8
2021
Statut:
epublish
Résumé
Selective targeting of malignant cells is the ultimate goal of anticancer studies around the world. There are some modalities for cancer therapy devastating tumor size and growth rate, meanwhile attacking normal cells. Utilizing appropriate ligands, like folate, allow the delivery of therapeutic molecules to cancer cells selectively. There are a variety of photosensitizers, like gold nanorods (GNRs), capable of absorbing the energy of light and converting it to heat, evidently build a photothermal procedure for cancer therapy. To develop a one-step approach for calculating the temperature distribution by solving the heat transfer equation with multiple heat sources originating from NIR laser-exposed GNRs. In this experimental study, we simulated NIR laser heating process in a single cancer cell, with and without incubation with folate conjugated PEG-GNRs. This simulation was based on a real TEM image from an experiment with the same setup. An According to the simplifications due to computational resource limits, the resulting outcome of simulation showed significant compatibility to the supporting experiment. Both simulation and experimental studies showed a similar trend for heating and cooling of the cells incubated with GNRs and irradiated by NIR laser (5 min, 1.8 W/cm This new method can be of great application in developing a planning technique for treating tumors utilizing GNP-mediated thermal therapy.
Sections du résumé
BACKGROUND
BACKGROUND
Selective targeting of malignant cells is the ultimate goal of anticancer studies around the world. There are some modalities for cancer therapy devastating tumor size and growth rate, meanwhile attacking normal cells. Utilizing appropriate ligands, like folate, allow the delivery of therapeutic molecules to cancer cells selectively. There are a variety of photosensitizers, like gold nanorods (GNRs), capable of absorbing the energy of light and converting it to heat, evidently build a photothermal procedure for cancer therapy.
OBJECTIVE
OBJECTIVE
To develop a one-step approach for calculating the temperature distribution by solving the heat transfer equation with multiple heat sources originating from NIR laser-exposed GNRs.
MATERIAL AND METHODS
METHODS
In this experimental study, we simulated NIR laser heating process in a single cancer cell, with and without incubation with folate conjugated PEG-GNRs. This simulation was based on a real TEM image from an experiment with the same setup. An
RESULTS
RESULTS
According to the simplifications due to computational resource limits, the resulting outcome of simulation showed significant compatibility to the supporting experiment. Both simulation and experimental studies showed a similar trend for heating and cooling of the cells incubated with GNRs and irradiated by NIR laser (5 min, 1.8 W/cm
CONCLUSION
CONCLUSIONS
This new method can be of great application in developing a planning technique for treating tumors utilizing GNP-mediated thermal therapy.
Identifiants
pubmed: 34458191
doi: 10.31661/jbpe.v0i0.1108
pii: JBPE-11-4
pmc: PMC8385224
doi:
Types de publication
Journal Article
Langues
eng
Pagination
435-446Informations de copyright
Copyright: © Journal of Biomedical Physics and Engineering.
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