Development of Temperature Distribution and Light Propagation Model in Biological Tissue Irradiated by 980 nm Laser Diode and Using COMSOL Simulation

Shurrab, Kawthar; Kochaji, Nabil; Bachir, Wesam

doi:10.15171/jlms.2017.21

Cited by 11 publications

(9 citation statements)

References 12 publications

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“…Shurrab et al developed a mathematical model of temperature distribution and light propagating in the tissue during laser‐induced hyperthermia to study the effective laser‐related parameters to control hyperthermia. They used COMSOL to simulate the light diffusion and bioheat equation in a mouse model as well as the effect of different parameters like power and irradiation exposure time on the tumor surrounding tissues with the aim of decreasing detrimental effects [277].…”

Section: Simulationsmentioning

confidence: 99%

Laser‐induced optothermal response of gold nanoparticles: From a physical viewpoint to cancer treatment application

Asadi

Bianchi

Landro

et al. 2020

Journal of Biophotonics

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Gold nanoparticles (GNPs)‐based photothermal therapy (PTT) is a promising minimally invasive thermal therapy for the treatment of focal malignancies. Although GNPs‐based PTT has been known for over two decades and GNPs possess unique properties as therapeutic agents, the delivery of a safe and effective therapy is still an open question. This review aims at providing relevant and recent information on the usage of GNPs in combination with the laser to treat cancers, pointing out the practical aspects that bear on the therapy outcome. Emphasis is given to the assessment of the GNPs’ properties and the physical mechanisms underlying the laser‐induced heat generation in GNPs‐loaded tissues. The main techniques available for temperature measurement and the current theoretical simulation approaches predicting the therapeutic outcome are reviewed. Topical challenges in delivering safe thermal dosage are also presented with the aim to discuss the state‐of‐the‐art and the future perspective in the field of GNPs‐mediated PTT.

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Section: Simulationsmentioning

confidence: 99%

Laser‐induced optothermal response of gold nanoparticles: From a physical viewpoint to cancer treatment application

Asadi

Bianchi

Landro

et al. 2020

Journal of Biophotonics

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“…Several facts can explain the findings obtained in our study. The 980 nm diode laser used at the beginning of the treatment served as skin preparation and warm-up, which must have increased later the absorption of the serum [ 12 , 13 ]. The heating done by the 980 nm diode laser must have led to pore opening [ 12 , 13 ].…”

Section: Discussionmentioning

confidence: 99%

“…The 980 nm diode laser used at the beginning of the treatment served as skin preparation and warm-up, which must have increased later the absorption of the serum [ 12 , 13 ]. The heating done by the 980 nm diode laser must have led to pore opening [ 12 , 13 ]. Hence, the cream was able to penetrate deeper layers of the skin.…”

Section: Discussionmentioning

confidence: 99%

Facial Aesthetic Laser-Assisted Protocol for the Management of Acne and Pigmentation: A Case Report

Zeaiter¹,

Grzech‐Leśniak²,

Grzech-Leśniak³

et al. 2022

Cureus

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The demand for aesthetic procedures is significantly increasing worldwide. In this case report, an in-office laser-assisted protocol coupled with rejuvenating concentrate serum (Gluage, TEBISKIN Gluage, SkinMed, Italy) was made. A 24-year-old female patient presented with a chief complaint of abundant facial acne and localized pigmentation. Clinical examination revealed the presence of abundant acne on the forehead and cheeks and the presence of localized pigmentation. Laser-assisted protocol coupled with rejuvenating concentrate serum was suggested. The protocol consisted of a thorough cleansing of the face followed by irradiation with a 980 nm diode laser (Smart M, Lasotronix, Poland), followed by a 405 nm diode laser (Smart M, Lasotronix, Poland), the application of rejuvenating concentrate serum (Gluage, TEBISKIN Gluage, SkinMed, Italy), and irradiation with the 635 nm diode laser (Smart M, Lasotronix, Poland). The protocol was made once per week for three weeks (three sessions in total), and a three-month follow-up was made after the end of the last session to confirm the effectiveness of the treatment. Stomatology 1 diode laser (Smart M, Lasotronix, Poland) was used in this case report as a 980 nm, 405 nm, and 635 nm diode laser (Smart M, Lasotronix, Poland). During the follow-up period, an almost total reduction of the acne was observed with the total disappearance of the localized pigmentation. This case report confirms the effectiveness of the proposed laser-assisted facial aesthetic treatment. We invite further studies to be made within the same suggested promising protocol.

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“…The remaining part is transferred to the surrounding tissue where it is heated. This creates the unwanted thermal effect in the neighboring tissues [6].…”

Section: Introductionmentioning

confidence: 99%

Compar the Effectiveness of Some Plant Extracts and Nd: YAG Laser in the Tribolium castaneum

Mahdi¹,

Lafta²,

Taha³

2023

Tikrit J. Pure Sci.

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The present study was conducted to evaluate the efficiency and effectiveness of some plant extracts of Helianthus annuus L., Sesbania sesban and Olea europea concentrations 100, 500, 1000, 5000 ppm. and the effect of Nd: YAG laser with wavelength of( 1064nm) and different energies which conducted at (10,15 and 20) within (5 pulses/sec) to destruction of the Tribolium castaneum, the study found different results according to the different concentrations used, time period and the different energies of the laser during the treatment. Treatment with plant extracts The extract of the Helianthus annuus L. was hightst to the rest of the plant extracts. It gave a 100% mortality rate at 5000 ppm concentration 72 hours of treatment. Then the seesban seed extract came in terms of effect, giving 96.6% mortality rate at the same concentration after 72 hours. While the effect of Olea europea extract was the last impact"on the insect, where the rate of mortality 86.5% in the same concentration also and within ( 72 hours ) of treatment. The results showed that the effect of laser radiation on the life of the insect, where it gave the highest mortality rate 73.6% when irradiation at the highest power of 420mj and exposure time 20Sec. the results were obtained after observation of the effect of plant extracts and Nd : YAG at different time intervals 24, 48 hours and 72 hours after the treatment of the Tribolium castaneum .

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Development of Temperature Distribution and Light Propagation Model in Biological Tissue Irradiated by 980 nm Laser Diode and Using COMSOL Simulation

Cited by 11 publications

References 12 publications

Laser‐induced optothermal response of gold nanoparticles: From a physical viewpoint to cancer treatment application

Laser‐induced optothermal response of gold nanoparticles: From a physical viewpoint to cancer treatment application

Facial Aesthetic Laser-Assisted Protocol for the Management of Acne and Pigmentation: A Case Report

Compar the Effectiveness of Some Plant Extracts and Nd: YAG Laser in the Tribolium castaneum

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