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Fast Camera Tracks Agile Survival Artists

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Dr. Gerhard Holst, PCO AG

Biologists use high-speed imaging to study how microorganisms move. Some like it hot – for example, micro-organisms that live in the deep sea on “black smokers,” where heat rises from the interior of the earth. These archaea, or “ur-bacteria,” form a separate branch in the phylogenetic tree of life and are veritable survival artists: They become active only at temperatures of 75 °C or higher, and thrive at temperatures between 80 and 100 °C. To find the temperate zone between the 400 °C water coming from inside the earth and the cold sea water...Read full article

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    Published: February 2014
    Glossary
    adhesive
    An intermolecular substance that serves to hold materials together. Two types are used in the optical industry: one, which must be transparent and colorless, to cement lenses together; and a general-purpose adhesive for bonding prisms and other glass parts to their metallic supports.
    microscope
    An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
    adhesiveAmericasBiophotonicscamerasE. coliEuropeFeaturesfluorescent dyeGermanygluehigh speedImagingLight SourcesmicrochipsmicroorganismsmicroscopeMicroscopyorganellesoxygenpco agSensors & DetectorssiliconspectroscopyUniversity of RegensburgUrsula BuczekarchaeaReinhard WirthInstitute for Microbiologythermal microscopeMethanothermobacter thermautotrophicuspco 1600German Research InstitutPyrococcus furiosusracing fireballhalobacteriaLasers

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