EFFECTIVENESS OF KATUK LEAF CHLOROPHYLL (SAUROPUS ANDROGYNUS (L) MERR) WITH BLUE AND RED LASER ACTIVATION TO REDUCE AGGREGATIBACTER ACTINOMYCETEMCOMITANS AND ENTEROCOCCUS FAECALIS BIOFILM

P. A.D. Permatasari, S. D. Astuti, A. K. Yaqubi, E. A.W. Paisei, Pujiyanto, Nasrul Anuar

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, the efficacy of using Sauropus androgynus (L) Merr, a katuk leaf chlorophyll photosensitizer, to reduce Aggregatibacter actinomycetemcomitans and Enterococcus faecalis biofilm was investigated. A red and blue diode laser is used as the light source. The sample was split into four groups: a negative control group, a positive control group, a blue laser treatment group (B), and a red laser treatment group (R), both with and without the addition of katuk leaf chlorophyll 1.6 mg/ml, and with varying densities of laser energy exposure of 2.5 J/cm2, 5 J/cm2, 7.5 J/cm2, and 10 J/cm2. Laser exposure and chlorophyll photosensitizer were tested using ELISA and ANOVA. At an energy density of 10 J/cm2, the optimal bacterial mortality rate was obtained in each treatment group. Namely, in the Aggregatibacter actinomycetemcomitans biofilm, the negative group, the number of deaths was 73.30% using a blue diode laser and 63.25% using a red diode laser. In the positive group, the number of deaths was 86.12% using a blue diode laser and 83.29% using a red diode laser. In the Enterococcus faecalis biofilm, in the negative group, the number of deaths was 67.78% using the blue diode laser and 75.33% using the red diode laser, and in the positive group, the number of deaths was 71.71% using the blue diode laser and 86.41 using a red diode laser. Exposure to blue and red diode lasers activates chlorophyll in katuk leaves, killing bacteria and reducing biofilms.

Original languageEnglish
Pages (from-to)14-21
Number of pages8
JournalBiomedical Photonics
Volume12
Issue number1
DOIs
Publication statusPublished - 2023

Keywords

  • Aggregatibacter actinomycetemcomitans
  • Enterococcus faecalis
  • blue and red diode laser
  • katuk leaf chlorophyll (Sauropus androgynus (L) Merr)
  • photoinactivation

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