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A versatile chamber for simultaneous measurements of oxygen exchange and fluorescence in filamentous and thallous algae as well as higher plants

A versatile chamber for simultaneous measurements of oxygen exchange and fluorescence in filamentous and thallous algae as well as higher plants

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KÜPPER, Hendrik, Ivan SETLIK, Milan HLASEK, 2004. A versatile chamber for simultaneous measurements of oxygen exchange and fluorescence in filamentous and thallous algae as well as higher plants. In: Photosynthetica. 42(4), pp. 579-583. ISSN 0300-3604

@article{Kupper2004versa-15527, title={A versatile chamber for simultaneous measurements of oxygen exchange and fluorescence in filamentous and thallous algae as well as higher plants}, year={2004}, doi={10.1007/S11099-005-0016-z}, number={4}, volume={42}, issn={0300-3604}, journal={Photosynthetica}, pages={579--583}, author={Küpper, Hendrik and Setlik, Ivan and Hlasek, Milan} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/15527"> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/15527"/> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:contributor>Hlasek, Milan</dc:contributor> <dc:contributor>Setlik, Ivan</dc:contributor> <dc:rights>deposit-license</dc:rights> <dcterms:bibliographicCitation>Publ. in: Photosynthetica ; 42 (2004), 4. - S. 579-583</dcterms:bibliographicCitation> <dcterms:abstract xml:lang="eng">A new chamber was developed for a simultaneous measurement of fluorescence kinetics and oxygen exchange in filamentous and thallous algae as well as in small leaves of water plants. Algal filaments or thalli are kept by a stainless grid close to the bottom window of the chamber in the sample compartment. The grid separates the object from the electrode compartment with the oxygen electrode at the top. This compartment accommodates, in addition, a magnetic stirrer that provides efficient circulation of the medium between the sample and the electrode. This magnetic bar spins on a fixed axis and is driven by an electronically commutated magnetic field produced by four coils which are arranged around the chamber. This design yields a very favourable signal to noise ratio in the oxygen electrode records. Consequently, measurements can be performed even of algae with very low photosynthetic rates such as marine low-light red algae or algae under severe stress. For irradiation of the samples and for fluorescence measurements a fibre optic light guide is used facing the window of the chamber. The four branches of a commercially available light guide serve the following purposes: collection of sample fluorescence and supply of measuring, actinic, and saturating light, respectively.</dcterms:abstract> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-12-16T07:51:33Z</dc:date> <dc:contributor>Küpper, Hendrik</dc:contributor> <dc:language>eng</dc:language> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-12-16T07:51:33Z</dcterms:available> <dc:creator>Setlik, Ivan</dc:creator> <dc:creator>Hlasek, Milan</dc:creator> <dcterms:issued>2004</dcterms:issued> <dc:creator>Küpper, Hendrik</dc:creator> <dcterms:title>A versatile chamber for simultaneous measurements of oxygen exchange and fluorescence in filamentous and thallous algae as well as higher plants</dcterms:title> </rdf:Description> </rdf:RDF>

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