Asymmetrical radical formation in D- and L-alanines irradiated with yttrium-90?-rays
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Radical formation in 90Y-beta-irradiated D- and L-alanines was studied using ESR. It was observed that the relative radical concentration by beta-irradiation was distinguishably (13.9-21.5%) more in D-alanine than in L-alanine. Discussion was made on the possible mechanisms for the observed results.
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Experimental attempts to validate the Vester-Ulbricht hypothesis only led to poorly conclusive results.
“From the sixties to the eighties, 212-220 many experimental attempts to show the validity of the ''V-U hypothesis'', generally by photolysis of amino acids in the presence of a number of b-emitting radionuclides or through self-irradiation of 14 C-labeled amino acids, only led to poorly conclusive results.”
From Possible chemical and physical scenarios towards biological homochirality (2022) · cites this paper as [219]
Cites
Origin and Role of Optical Isomery in Life
GARAY, A. S. (1968) · Nature · doi:10.1038/219338a0 · Cited by 126 · see citing works
Origin of asymmetry in biomolecules
GARAY, A. S., KESZTHELYI, L., DEMETER, I., & HRASKO, P. (1974) · Nature · doi:10.1038/250332a0 · Cited by 49 · see citing works
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Possible chemical and physical scenarios towards biological homochirality
Sallembien, Q., Bouteiller, L., Crassous, J., & Raynal, M. (2022) · Chemical Society Reviews · doi:10.1039/d1cs01179k · Cited by 186 · see citing works
Myrgorodska, I., Meinert, C., Martins, Z., Le Sergeant d'Hendecourt, L., & Meierhenrich, U. J. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201409354 · Cited by 68 · see citing works
- Authors
- Akaboshi, M., Noda, M., Kawai, K., Maki, H., & Kawamoto, K.
- Affiliations
- Kyoto University (JP)
- Venue
- Origins of Life
- Published
- 1979-07
- Volume
- 9
- Issue
- 3
- Pages
- 181-186
- ISSN
- 0169-6149 (ISSN-L)
- 0302-1688
- 1573-0875
- OpenAlex
- W2006347390
- Cited by
- 29
- References
- 2
- Citations by year
- 2022: 1 · 2019: 1 · 2014: 3
- FWCI
- 2.08
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Origins of Life and Evolution of Biospheres (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Electron Spin Resonance Studies
- Life Sciences › Agricultural and Biological Sciences › Food Science › Radiation Effects and Dosimetry
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
- Keywords
- D-alanine, L-alanine, beta irradiation, yttrium-90, radical formation, radiation chemistry, chiral amino acids
- MeSH terms
- Alanine, Chemistry, Cobalt Radioisotopes, Electron Spin Resonance Spectroscopy, Free Radicals, Stereoisomerism, Yttrium Radioisotopes, Chemical Phenomena
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