• Publications
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The rise of algae in Cryogenian oceans and the emergence of animals
The transition from dominant bacterial to eukaryotic marine primary productivity was one of the most profound ecological revolutions in the Earth’s history, reorganizing the distribution of carbonExpand
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  • Open Access
Reappraisal of hydrocarbon biomarkers in Archean rocks
Significance The advent of oxygenic photosynthesis set the stage for the evolution of complex life on an oxygenated planet, but it is unknown when this transformative biochemistry emerged. TheExpand
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Cryogenian evolution of stigmasteroid biosynthesis
Biosynthesis of C29 sterols, enhancing eukaryotic temperature resistance, evolved during the global Neoproterozoic glaciations. Sedimentary hydrocarbon remnants of eukaryotic C26–C30 sterols can beExpand
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Kinetic study of the ClOO + NO reaction using cavity ring-down spectroscopy.
Cavity ring-down spectroscopy was used to study the reaction of ClOO with NO in 50-150 Torr total pressure of O2/N2 diluent at 205-243 K. A value of k(ClOO+NO) = (4.5 +/- 0.9) x 10(-11) cm3Expand
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Bisnorgammacerane traces predatory pressure and the persistent rise of algal ecosystems after Snowball Earth
Eukaryotic algae rose to ecological relevance after the Neoproterozoic Snowball Earth glaciations, but the causes for this consequential evolutionary transition remain enigmatic. Cap carbonates wereExpand
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Cyanobacterial Inhabitation on Archean Rock Surfaces in the Pilbara Craton, Western Australia.
High abundances of 7- and 6-monomethylalkanes as well as C17 n-alkane, indicative of cyanobacteria, have been discovered near the surfaces of Archean carbonate rocks of the Fortescue Group in theExpand
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The usefulness of the collagen and elastin sponge derived from salmon as an artificial dermis and scaffold for tissue engineering.
Collagen sponge is one of the medical materials that are frequently used in clinical medicine. However, the problem of prion disease harmfully affected the usage of mammals-derived medical materials.Expand
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On the Origin of Isoprenoid Biosynthesis
Abstract Isoprenoids and their derivatives represent the largest group of organic compounds in nature and are distributed universally in the three domains of life. Isoprenoids are biosynthesized fromExpand
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The Suppressive Effect of Protamine from Chum Salmon Milt on Lipid Absorption in Humans
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A kinetic study of the gas‐phase reactions of OIO with NO, NO2, and Cl2
The kinetics of iodine dioxide (OIO) reactions with nitric oxide (NO), nitrogen dioxide (NO2), and molecular chlorine (Cl2) are studied in the gas-phase by cavity ring-down spectroscopy. TheExpand
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