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Michael R. Hoffmann

Researcher at California Institute of Technology

Publications -  522
Citations -  70877

Michael R. Hoffmann is an academic researcher from California Institute of Technology. The author has contributed to research in topics: Aqueous solution & IUCN Red List. The author has an hindex of 109, co-authored 500 publications receiving 63474 citations. Previous affiliations of Michael R. Hoffmann include Clarkson University & International Union for Conservation of Nature and Natural Resources.

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Supporting Online Material for The Status of the World's Land and Marine Mammals: Diversity, Threat, and Knowledge

Jan Schipper, +110 more
TL;DR: A comprehensive assessment of the conservation status and distribution of the world's mammals is presented, compiled by 1700+ experts, to suggest common mechanisms driving diversity and endemism across systems.
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Acidity enhances the formation of a persistent ozonide at aqueous ascorbate/ozone gas interfaces

TL;DR: Present results imply enhanced production of a persistent ozonide in airway-lining fluids acidified by preexisting pathologies or inhaled particulate matter, known to generate cytotoxic free radicals in vivo and can, therefore, transduce oxidative damage.
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Kinetics of the removal of iron pyrite from coal by microbial catalysis.

TL;DR: Results of this study show that bacterial desulfurization of coal samples which are relatively high in pyritic sulfur can be achieved within a time-frame of 8 to 12 days when pulp densities are <=20% and particle sizes are
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Photoelectrochemical Degradation of 4-Chlorocatechol at TiO2 Electrodes: Comparison between Sorption and Photoreactivity

TL;DR: In this article, the TiO_2-catalyzed photodegradation of a strongly adsorbing substrate, 4-chlorocatechol, has been investigated as a function of solution concentration and pH at illuminated polycrystalline TiO-2 electrodes operated at a constant current density.
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Chemical composition of coastal stratus clouds: dependence on droplet size and distance from the coast

TL;DR: In this article, the ionic concentrations in two size-segregated fractions of cloudwater collected during several sampling intervals suggest that there is a large difference between the average composition of the smaller droplets and that of the larger droplets.