Volume 70, Number 1, April 2005
|Page(s)||123 - 128|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||09 March 2005|
Low-energy ion bombardment of frozen bacterial spores and its relevance to interplanetary space
Institute of Physics, Jagiellonian University - Reymonta 4, 30-059 Cracow, Poland
2 Laboratory of Microbiology, Clinical Children's Hospital of the Jagiellonian University Medical College - Wielicka 265, 30-663 Cracow, Poland
Accepted: 11 February 2005
The panspermia hypothesis is concerned with the dissemination of life in space in the form of simple micro-organisms. During an interplanetary journey the micro-organisms are subjected to the action of, among others, the solar wind. We have simulated experimentally such conditions bombarding frozen bacterial spores with low-energy hydrogen ions. On the basis of the results obtained and our earlier research, a new look at the panspermia hypothesis is discussed.
PACS: 79.20.Rf – Atomic, molecular, and ion beam impact and interactions with surfaces / 87.50.-a – Effects of radiation and external fields on biomolecules, cells and higher organisms / 96.50.-e – Interplanetary space
© EDP Sciences, 2005
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