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28 August 2008 Unusual autofluorescence characteristic of cultured red-rain cells
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Abstract
The red cells found in the red rain in Kerala, India are now considered as a possible case of extraterrestrial life form. These cells can undergo rapid replication even at an extreme high temperature of 300 deg C. They can also be cultured in diverse unconventional chemical substrates. The molecular composition of these cells is yet to be identified. This paper reports the unusual autofluorescence characteristic of the cultured red rain cells. A spectrofluorimetric study has been performed to investigate this, which shows a systematic shift of the fluorescence emission peak wavelength as the excitation wavelength is increased. Conventional biomolecules are not known to have this property. Details of this investigation and the results are discussed.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Godfrey Louis and A. Santhosh Kumar "Unusual autofluorescence characteristic of cultured red-rain cells", Proc. SPIE 7097, Instruments, Methods, and Missions for Astrobiology XI, 709712 (28 August 2008); https://doi.org/10.1117/12.794041
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