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A microscale biosensor for determination of dissolved chemical species (electron donors) that can be oxidized by specific groups of micro-organisms has been developed. It consists of another casing with a tip membrane of 10-100 µm in diameter. Behind the membrane a dense mass ...
Programme: FP4-MAST 3
Record Number: 21736
Last updated on: 2001-02-22
Growth and morphological responses to a decline in salinity was determined in culture for the tetrasporophyte and gametophytes of the red alga Aglaothamnion tenuissimum. Statistically significant differences in growth and cell dimensions were found between male and female game...
Programme: FP4-MAST 3
Record Number: 30014
Last updated on: 2003-07-05
We investigated the patterns of macroalgal distribution in the Kattegat-Baltic region. Salinity played a significant role, but the influence of dispersal barriers was also significant. Furthermore, we found a strong numerical reduction of non-dominant species rather than domin...
Programme: FP4-MAST 3
Record Number: 30015
Last updated on: 2003-07-05
Widely distributed species may often be divided into cryptic level taxonomic entities, for example temperature and/or salinity ecotypes. This also applies to the reproduction of Acinetospora crinita in which the many types of reproductive patterns are related to specific strai...
Programme: FP4-MAST 3
Record Number: 30012
Last updated on: 2003-07-05
A microscale sensor for fluid velocity measurements has been developed and its properties investigated. The sensor can be made with tip diameters below 10 microns and the fluid velocity detection limit can be down to 5 microns/second. The sensor consists of a slim transducer (...
Programme: FP4-MAST 3
Record Number: 25911
Last updated on: 2001-03-01
The exploitable result is a microscale sensor for perfusion. The spatial resolution can be in the order of a few tens of microns, depending on the sensor size and perfusion rate. The sensor has not yet been applied in physiological studies, but has shown promising performance ...
Programme: FP4-MAST 3
Record Number: 25916
Last updated on: 2001-03-01
A flow velocity sensor is constructed according to the principle of a transducer surrounded by a concentric reservoir closed by a membrane, which is penetrated by the transducer. The reservoir contains a tracer that diffuses through the membrane and into the surrounding medium...
Programme: FP4-MAST 3
Record Number: 25915
Last updated on: 2001-03-01
The exploitable result is a microscale sensor for apparent diffusivity. The spatial resolution depends on the grain size of the actual system; in soft sediments and biofilms it can be below 100 microns. Different versions differing with respect to used tracer gas have been dev...
Programme: FP4-MAST 3
Record Number: 25914
Last updated on: 2001-03-01
A circular calibration set up for calibration of flow velocity sensors has been developed. The set up consists of a sensor holder connected to a precision motor. Via specialised software, the sensor can be moved in at well-defined speeds between 10 microns/second and 60 mm/sec...
Programme: FP4-MAST 3
Record Number: 25913
Last updated on: 2001-03-01
A calibration set-up for calibration of flow velocity sensors has been developed. The set-up consists of a sensor holder connected to a precision motor via a spindle. Via specialised software, the sensor can be moved at well-defined speeds between 10 microns/second and 60 mm/s...
Programme: FP4-MAST 3
Record Number: 25912
Last updated on: 2001-03-01
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List retrieved on: 2017-10-19
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