Qubit Systems produces the only complete experimental package for measurement of nitrogen fixation in H2 producing legume symbioses – Q-Box NF1LP Nitrogen Fixation Package. The unique flow-through H2 sensor (Q-S121) measures the production rate of H2 from N2-fixing tissues, allowing in vivo measurement of nitrogenase activity in real-time. The Package contains everything required for successful experiments, including gas exchange pots for growing legume plants such as soybeans under nodule-producing conditions, all the nutrient recipes, and instructions. When combined with Qubit Gas Switching System measurements of nitrogenase activity on up to 3 plants is possible (4 channel system including reference).
Measurement of H2 evolution as a means of determining nitrogenase activity overcomes all the problems of the traditional acetylene reduction assay. The Q-Box NF1LP Nitrogen Fixation Package is perfectly safe, non-invasive, and allows changes in nitrogenase activity to be measured as they occur in growing plants.
The Nitrogen Fixation Package contains everything required to conduct numerous laboratory investigations into the physiology and biochemistry of N2 fixation in an open-flow gas exchange system. Calibration of analyzers is simple, set-up time is minimal and experiments are easy to perform.
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