Laser radiation effects on <i>Mycoplasma agalactiae</i>

Cerasela Z. Dinu; Constantin Grigoriu; Maria Dinescu; Florentina Pascale; Adrian Popovici; Lavinia Gheorghescu; Ana Cismileanu; Eugenia Avram

doi:10.1117/12.478657

9 August 2002 Laser radiation effects on Mycoplasma agalactiae

Cerasela Z. Dinu; Constantin Grigoriu; Maria Dinescu; Florentina Pascale; Adrian Popovici; Lavinia Gheorghescu; Ana Cismileanu; Eugenia Avram;

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Proceedings Volume 4762, ALT'01 International Conference on Advanced Laser Technologies; (2002) https://doi.org/10.1117/12.478657
Event: International Conference on: Advanced Laser Technologies (ALT'01), 2001, Constanta, Romania

Abstract

The biological effects of the laser radiation emitted by the Nd:YAG laser (second harmonic, wavelength 532 nm /fluence 32 mJ/cm²/pulse duration 6 ns) on the Mycoplasma agalactiae bacterium were studied. The radiation was found to intensify the multiplication of the bacteria irradiated in TRIS buffer (0.125 M), without however affecting the proteinic composition of the cell membrane. When the bacteria were irradiated in their growth medium (PPLO broth) being later cultivated on a solid medium (PPLO agar), the exclusive presence of the atypical colonies (granular and T-like ones) was noticed.

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Cerasela Z. Dinu, Constantin Grigoriu, Maria Dinescu, Florentina Pascale, Adrian Popovici, Lavinia Gheorghescu, Ana Cismileanu, Eugenia Avram, "Laser radiation effects on Mycoplasma agalactiae", Proc. SPIE 4762, ALT'01 International Conference on Advanced Laser Technologies, (9 August 2002); doi: 10.1117/12.478657; https://doi.org/10.1117/12.478657

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