Effects of visible and near-infrared lasers on cell cultures

R. Lubart, Y. Wollman, H. Friedmann, S. Rochkind*, I. Laulicht

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

202 Scopus citations


The effect of 360, 632 and 780 nm light on NIH fibroblast cells was examined. Mitosis counts of irradiated cells at various energy doses were taken. Scanning electron micrographs of these cells were studied. It is suggested that low-level laser therapy in the visible and in the near-infrared region is due to cell respiration stimulation by either the endogenous porphyrins in the cell, or by the cytochromes.

Original languageEnglish
Pages (from-to)305-310
Number of pages6
JournalJournal of Photochemistry and Photobiology B: Biology
Issue number3
StatePublished - 28 Feb 1992
Externally publishedYes


  • Cell cultures
  • light
  • mitosis.
  • photosensitizers


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