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Transport of biologically active material in laser cutting
Author(s) -
Frenz Martin,
Mathezloic Fabien,
Stoffel Michael H. S.,
Zweig Adrian D.,
Romano Valerio,
Weber Heinz P.
Publication year - 1988
Publication title -
lasers in surgery and medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.888
H-Index - 112
eISSN - 1096-9101
pISSN - 0196-8092
DOI - 10.1002/lsm.1900080604
Subject(s) - laser , chemistry , optics , physics
The transport of biologically active material during laser cutting with CO 2 and Er lasers is demonstrated. This transport mechanism removes particles from the surface of gelatin, agar, and liver samples into the depth of the laser‐formed craters. The transport phenomenon is explained by a contraction and condensation of enclosed hot water vapor. We show by cultivating transported bacteria in agar that biological particles can survive the shock of the transport. Determination of the numbers of active cells evidences a more pronounced activity of the cultivated bacteria after impact with an Er laser than with a CO 2 laser.