Literature DB >> 15549580

Photohemolysis of erythrocytes by He-Ne laser irradiation: the effect of power density.

Y Cen1, J Y Chen.   

Abstract

The effects of He-Ne laser irradiation on erythrocyte hemolysis were studied. Erythrocytes are prone to be easily damaged with hemolysis under laser irradiation. It was found that the power density (PD) of laser irradiation, but not the total irradiation power, is the crucial parameter for the hemolysis. Under irradiation with a PD of 5.41 mW/microm(2), erythrocytes were photohemolyzed within a few seconds, while at a PD of 0.52 mW/microm(2) the average tolerance duration (TD; from the start of irradiation to hemolysis) of erythrocytes was 110 s. The TDs of erythrocytes were also individual erythrocyte-dependent, which may be due to their different ages. The average TDs of erythrocyte samples from different donors were different, reflecting individual variations.

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Year:  2004        PMID： 15549580     DOI： 10.1007/s10103-004-0320-z

Source DB:  PubMed          Journal:  Lasers Med Sci        ISSN： 0268-8921            Impact factor:   3.161


  9 in total

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4.  Power density and exposure time of He-Ne laser irradiation are more important than total energy dose in photo-biomodulation of human fibroblasts in vitro.

Authors:  H H van Breugel; P R Bär
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Review 6.  Low intensity laser therapy: still not an established clinical tool.

Authors:  J R Basford
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7.  Low-power HeNe laser treatment of venous leg ulcers.

Authors:  T Lundeberg; M Malm
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Authors:  J S Surinchak; M L Alago; R F Bellamy; B E Stuck; M Belkin
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9.  A comparative study of 632.8 and 532 nm laser irradiation on some rheological factors in human blood in vitro.

Authors:  X Q Mi; J Y Chen; Y Cen; Z J Liang; L W Zhou
Journal:  J Photochem Photobiol B       Date:  2004-03-19       Impact factor: 6.252
  9 in total

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