By Lynn Margulis (auth.), Lynn Margulis (eds.)
This is an edited list of the discussion of eminent scientists attending the fourth convention within the sequence of the origins of lifestyles, supported by way of a supply from the Biosciences application of the nationwide Aeronautics and area Admini stration. the 1st convention at Princeton, 1967, used to be held less than the direc tion of Dr. Frank Fremont-Smith on the time while the Interdisciplinary Co m munications software (lCP) used to be linked to the hot York Academy of Sciences. In 1968, ICP used to be built-in into the workplace of the Assistant Secretary for technology of the Smithsonian establishment, and the whole operation used to be organize in Washington, D. C. the second one convention, additionally in Princeton, was once held in 1968 and the 3rd was once in Santa Ynez, California in 1970. (See Margulis, ed. 1970, 1971 and 1972 for formerly released proceedings.) The fourth convention was once held on the Belmont convention heart in Elkridge, Maryland, April 13-16, 1971. The court cases are recorded and edited via the Interdisciplinary Com munications affiliates, Inc. (lCA, a nonprofit foundation), for ICP. Dr. Lynn Margulis, who served as clinical Editor for the complete sequence, has succeeded admirably in accomplishing a tough and typically inadequately favored job. She used to be ably assisted in her workplaces through Barbara Miranda and Harriet Eklund, the ICP employees Editor for this sequence. i'm thankful to all.
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Extra resources for Proceedings of the Fourth Conference on Origins of Life: Chemistry and Radioastronomy
MILLER: How many columns did he run? PONNAMPERUMA: Two. Two on the gas chromatography, and then a parallel run on the ion exchange. USHER: Were they very different colums? PONNAMPERUMA: I believe so. IDENTIFICA TION AND CONTAMINATION 39 ORGEL: Cyril, in your experience, if you use retention tim es on two or three columns, how often would you be mistaken? And on the other hand, with the mass spectrometer how often would you be mi staken? PONNAMPERUMA: l'lllet Carl put on the numbers. There's no problem at all with protein hydrolysate.
NAGYVARY: This is not an exdusively good method, but it is worthwhile to try with small quantities. ORGEL: Since we were getting dose to the nub of the matter on the method of analysis, it would be a pity to let it escape! WOLMAN: I feel uneasy about using the amino acid analyzer, isolating the peak, and then running up another chromatogram or another electrophoresis. First I worry about the ratios at 440 to 570 mll on the amino acid analyzer. For example we had a compound which we were quite sure was IDENTIFICATION AND CONTAMINATION 4S not glutamic acid.
SAGAN: Yes, and so did OAO (Orbiting Astronomical Observatory). Scanning the spectrum we see a little dip at 2600 A. Barth's experiments IDENTIFICATION AND CONTAMINATION 27 give a feature consistent with ozone. However, it's also consistent with the monomer of carbon sub oxide - very like ozone. MILLER: Was any ozone detected in the infrared? SAGAN: No, but the electronic transitions are many orders of magnitude stronger. ORGEL: Knowing the quantity of ozone can the amount of oxygen be estimated?