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Etta Peterson
Researcher at Ames Research Center
Publications - 21
Citations - 1829
Etta Peterson is an academic researcher from Ames Research Center. The author has contributed to research in topics: Amino acid & Murchison meteorite. The author has an hindex of 15, co-authored 21 publications receiving 1771 citations.
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Journal ArticleDOI
Evidence for extraterrestrial amino-acids and hydrocarbons in the Murchison meteorite.
Keith A. Kvenvolden,James G. Lawless,Katherine Pering,Etta Peterson,Jose Flores,Cyril Ponnamperuma,Isaac R. Kaplan,Carleton B. Moore +7 more
TL;DR: Organic molecules found in meteorites seem to have been formed before the meteorites reached Earth, according to new research.
Book ChapterDOI
Abstracts of Contributed Papers
Richard C. Henry,J. E. Hesser,W. McClintock,J. Audouze,David N. Schramm,T. P. Kohman,J. M. Huey,G. A. Cowan,B. D. Donn,E. W. Chappelle,W. A. Payne,L. J. Stief,James G. Lawless,Etta Peterson,Keith A. Kvenvolden,G. Crozaz,D. Burnett,R. Walker,Stanton J. Peale,L. Husain,O. A. Schaeffer,L. D. Nguyen,G. Puil,M. de Saint Simon,Y. Yokoyama,P. M. Millman,Donald E. Brownlee,P. W. Hodge,T. Grjebine,Marvin W. Rowe,J. M. Herndon,D. E. Watson,E. E. Larson,William V. Boynton,Roman A. Schmitt,N. Carleton,W. Traub +36 more
TL;DR: The strength of the K line of singly ionized calcium has been measured for several hundred A-type stars within a few hundred parsecs of the Sun and for the A stars in several galactic star clusters as mentioned in this paper.
Journal ArticleDOI
Racemization of Amino Acids in Bones
TL;DR: In this article, the order of racemization rates of amino acids in bone is aspartic acid>alanine=glutamic acid>isoleucine≅leucine.
Journal ArticleDOI
A search for C60 in carbonaceous chondrites
M.S. de Vries,K. Reihs,H. R. Wendt,William G. Golden,Heinrich E. Hunziker,R. Fleming,Etta Peterson,Sherwood Chang +7 more
TL;DR: Analysis of interior samples of the Murchison meteorite by two routes yielded an upper limit of 2 ppb for its C60 content, as compared to parts per million levels for individual polycyclic aromatic hydrocarbons (PAHs), arguing against the ubiquitous presence of C60 in the interstellar medium.
Journal ArticleDOI
Peptide synthesis from amino acids in aqueous solution.
Cyril Ponnamperuma,Etta Peterson +1 more
TL;DR: Four dipeptides and a tripeptide were formed when an aqueous solution of glycine and leucine was exposed to ultraviolet light in the presence of cyanamide.