Computer Science
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999adspr..23..387k&link_type=abstract
Advances in Space Research, Volume 23, Issue 2, p. 387-391.
Computer Science
6
Scientific paper
The space satellite's surface can be looked at as a model of the small bodies in the Solar system, such as comets, carbonaceous chondrites and interplanetary dust particles which are rich in complex organic compounds. It is important to test how far the process of chemical evolution could develop on the surface of these bodies. The solid films from mixtures of adenosine, deoxyadenosine, cytidine or thymidine and NaH2PO4 were exposed to open space condition in flight experiment on board of ``BION-11'' satellite. (The time of flight was 14 days, temperature changed from -30 up to +100 °C). The abiogenic synthesis of nucleotides has been observed. The summary yields were: for adenosine - 5.8%, for deoxyadenosine - 2.3%, for cytidine - 4.7% and for thymidine - 2.0%. Our experiment indicates that nucleotides could be synthesized in an early stage of the Solar system evolution and safety transported to the Earth by comets, asteroids and dust particles.
Kuzicheva Eugenia A.
Simakov Michael B.
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