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Hamamatsu Corp. - Earth Innovations LB 2/24

Sapphire Probes the Ocean’s Depths

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Brent D. Johnson, Senior News Editor

In vents in the seafloor of the Juan de Fuca Ridge off the coast of British Columbia and Washington state, a community of organisms thrives amid a seething cauldron of superheated chemicals at temperatures and pressures inhospitable to terrestrial life. Hyperthermophiles, microbial organisms that prefer temperatures above 80 °C, thrive in these systems. The problem with investigating these vents is finding a probe that can withstand their enormous pressures and temperature. Only thermocouples, H2, pH and sulfide electrochemical probes have been used successfully. Most studies have been...Read full article

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    Published: September 2001
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