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In Vitro Mean Red Blood Cell Volume Change Induced by Diode Pump Solid State Low-Level Laser of 405 nm

Musawi MS 1 , Jafar MS 1 , Al-Gailani BT 2 , Ahmed NM 1 , Suhaimi FM 3 , Suardi N 1

Affiliations 

  • 1 1 School of Physics, Department of Medical Physics, Universiti Sains Malaysia , Pulau Pinang, Malaysia
  • 2 2 Department of Physiology, College of Medicine , Al-Mustansiriya, Iraq
  • 3 3 Advanced Medical and Dental Institute, Universiti Sains Malaysia , Bertam Kepala Batas, Pulua Pinang, Malaysia
Photomed Laser Surg, 2016 May;34(5):211-4.
PMID: 26966989 DOI: 10.1089/pho.2015.4043

Abstract

OBJECTIVE: This study was conducted to investigate the effects of low-level laser (LLL) doses on human red blood cell volume. The effects of exposure to a diode pump solid state (DPSS) (λ = 405 nm) laser were observed.

BACKGROUND DATA: The response of human blood to LLL irradiation gives important information about the mechanism of interaction of laser light with living organisms. Materials and methods Blood samples were collected into ethylenediaminetetraacetic acid (EDTA)-containing tubes, and each sample was divided into two equal aliquots, one to serve as control and the other for irradiation. The aliquot was subjected to laser irradiation for 20, 30, 40, or 50 min at a fixed power density of 0.03 W/cm(2). Mean cell volume (MCV) and red blood cell (RBC) counts were measured immediately after irradiation using a computerized hemtoanalyzer.

RESULTS: Significant decrease in RBC volume (p 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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