Acoustic evaluation of photobiomodulation effect on in vitro human blood samples

Acoustic evaluation of photobiomodulation effect on in vitro human blood samples

Although positive photobiomodulation response on wound healing, tissue repair, and therapeutic treatment has been widely reported, additional works are still needed to understand its effects on human blood. This research carried out acoustic measurements using A-scan (GAMPT) ultrasonic techniques to...

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Bibliographic Details
Published in:Lasers in medical science Vol. 38; no. 1; p. 99
Main Authors: Suardi, Nursakinah, Germanam, Sylvester Jande, Rahim, Nur Atikah Yusra Mat
Format: Journal Article
Language:English
Published: London Springer London 14-04-2023
Springer Nature B.V
Subjects:
Acoustic measurement
Acoustics
Blood
Dentistry
Humans
Irradiation
Lasers
Lasers, Semiconductor
Light
Light therapy
Low-Level Light Therapy - methods
Measurement techniques
Medicine
Medicine & Public Health
Optical Devices
Optics
Original Article
Photonics
Quantum Optics
Soft tissues
Ultrasonic imaging
Ultrasonic methods
Ultrasonic transducers
Velocity
Viscosity
Wound healing
Wound Healing - radiation effects
Red blood cells
Low-level laser
Speed of sound
Acoustic
Photobiomodulation
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Summary:Although positive photobiomodulation response on wound healing, tissue repair, and therapeutic treatment has been widely reported, additional works are still needed to understand its effects on human blood. This research carried out acoustic measurements using A-scan (GAMPT) ultrasonic techniques to elucidate the photobiomodulation effects on in vitro human blood samples as therapeutic treatment measures. The human blood samples were irradiated using a 532-nm laser with different output laser powers (60 and 80 mW) at various exposure times. The ultrasonic velocity measured in the human blood samples after laser irradiation showed significant changes, most of which were within the acceptance limit for soft tissues (1570 ± 30 m/s). Abnormal cells (echinocyte and crenation) were observed due to excessive exposure during laser treatment.
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ISSN:1435-604X
0268-8921
1435-604X
DOI:10.1007/s10103-023-03766-6