Akira Shimoyama - Concepedia

Author

Akira Shimoyama

University of Tsukuba

Also Known As

A. Shimoyama, AKIRA SHIMOYAMA, Akira SHIMOYAMA, Akira Shimoyama, Shimoyama Akira

102

Publications

1.5K

Citations

H-Index

Concepts

All Affiliations

University of Tsukuba University of Maryland, College Park Tokyo Metropolitan University National Institute of Polar Research

About

Akira Shimoyama is an author at University of Tsukuba specializing in engineering, organic geochemistry, and geochemistry.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	18	31	973
2	Natural Sciences	8	8	224
3	Medicine	3	3	39
4	Health Sciences	1	1	17
5	Allergy	1	1	17

Akira Shimoyama

Publications

1.3K

Citations

H-Index

Page 1

	Year	Citations
Dipeptides and Diketopiperazines in the Yamato-791198 and Murchison Carbonaceous Chondrites Akira Shimoyama, Ryo Ogasawara Origins of Life and Evolution of Biospheres	2002	159
Catalytic Conversion of Fatty Acids to Petroleum-like Paraffins and their Maturation Akira Shimoyama, W. D. Johns Nature Physical Science Chemical EngineeringEngineeringFatty AcidsPetroleum ChemistryPetroleum Production	1971	119
Isotopic evidence from an Antarctic carbonaceous chondrite for two reaction pathways of extraterrestrial PAH formation Hiroshi Naraoka, Akira Shimoyama, Kaoru Harada Earth and Planetary Science Letters Isotope GeochemistryAstrochemistryAntarctic Carbonaceous ChondriteIsotopic EvidenceGeochemistry	2000	97
Amino acids in the Yamato carbonaceous chondrite from Antarctica Akira Shimoyama, Cyril Ponnamperuma, Keizô Yanai Nature Organic GeochemistryEngineeringAmino AcidsBiochemistryIsotope Geochemistry	1979	91
Analyses of carboxylic acids and hydrocarbons in Antarctic carbonaceous chondrites, Yamato-74662 and Yamato-793321. Akira Shimoyama, Hiroshi Naraoka, Masatoshi Komiya, GEOCHEMICAL JOURNAL Various Structural IsomersEngineeringChemical CompositionMarine ChemistryOrganic Chemistry	1989	61
Possible Surface Reactions on Mars: Implications for Viking Biology Results Cyril Ponnamperuma, Akira Shimoyama, M. Yamada, Science Carbon DioxideEngineeringAtmospheric PhotochemistryPossible Surface ReactionsPlanetary Geology	1977	55
AMINO ACIDS FROM THE YAMATO-791198 CARBONACEOUS CHONDRITE FROM ANTARCTICA Akira Shimoyama, Kaoru Harada, Keizô Yanai Chemistry Letters Organic GeochemistryEngineeringAmino AcidsBiochemistryIndigenous Amino Acids	1985	54
Examination of organic compounds from insoluble organic matter isolated from some Antarctic carbonaceous chondrites by heating experiments Masatoshi Komiya, Akira Shimoyama, Kaoru Harada Geochimica et Cosmochimica Acta Organic GeochemistryEngineeringMarine ChemistryOrganic ChemistryGeochemistry	1993	52
Amino acids in a carbonaceous chondrite from Antarctica R. K. Kotra, Akira Shimoyama, Cyril Ponnamperuma, Journal of Molecular Evolution Organic GeochemistryEngineeringAmino AcidsIsotope GeochemistryMarine Chemistry	1979	48
Adsorption of protein and non-protein amino acids on a clay mineral: A possible role of selection in chemical evolution Elaine Friebele, Akira Shimoyama, Cyril Ponnamperuma Journal of Molecular Evolution Clay MineralEngineeringBiochemistryNatural SciencesClays	1980	46

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