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Direct measurements of steady-state kinetics of cyanobacterial N2 nitrogen uptake by membrane-leak mass spectrometry and comparisons between nitrogen fixation and acetylene reduction Algae








Direct measurements of steady-state kinetics of cyanobacterial N2 nitrogen uptake by membrane-leak mass spectrometry and comparisons between nitrogen fixation and acetylene reduction Algae



Accession: 015516767



Related references

Jensen B.B.; Cox R.P., 1983: Direct measurements of steady state kinetics of cyanobacterial nitrogen uptake by membrane leak mass spectrometry and comparisons between nitrogen fixation and acetylene reduction. A mass spectrometer with a membrane-covered inlet was used to measure N2 fixation by following changes in the concentration of dissolved N2 in a stirred suspension of the cyanobacterium Anabaena variabilis in an open system. The results showed a g...

Jensen, B.B.; Cox, R.P., 1983: Direct measurements of steady-state kinetics of cyanobacterial n(2) uptake by membrane-leak mass spectrometry and comparisons between nitrogen fixation and acetylene reduction. A mass spectrometer with a membrane-covered inlet was used to measure nitrogen fixation by following changes in the concentration of dissolved N2 in a stirred suspension of the cyanobacterium Anabaena variabilis in an open system. The results show...

Jensen B.B.; Cox R.P.; Degn H., 1981: Mass spectrometric measurements of steady state kinetics of cyanobacterial nitrogen fixation by monitoring dissolved nitrogen in an open system. FEMS Microbiology Letters 12(1): 37-40

Graham B.M.; Hamilton R.D.; Campbell N.E.R., 1980: Comparison of the nitrogen 15 uptake and acetylene reduction methods for estimating the rates of nitrogen fixation by fresh water blue green algae. The relationship of acetylene reduction to 15N uptake was investigated using blue-green algal populations in 3 lakes in the Experimental Lakes Area, northwestern Ontario [Canada]. N fixation rates, as estimated with both techniques, were compared...

Mann, F.D.; Steinke, T.D., 1993: Biological nitrogen fixation (acetylene reduction) associated with blue-green algal (cyanobacterial) communities in the Beachwood Mangrove Nature Reserve II. Seasonal variation in acetylene reduction activity. Seasonal variation in nitrogen fixation of blue-green algae associated with Avicennia marina pneumatophores and wet and dry surface sediments were investigated in the Beachwood Mangrove Nature Reserve, South Africa, by means of the acetylene reduc...

Mann, F.D.; Steinke, T.D., 1989: Biological nitrogen fixation (acetylene reduction) associated with blue-green algal (cyanobacterial) communities in the Beachwood Mangrove Nature Reserve. I. The effect of environmental factors on acetylene reduction activity. N fixation of cyanobacteria associated with Avicennia marina pneumatophores and wet and dry surface sediments was investigated in the Beachwood Mangrove Nature Reserve, South Africa, by means of the acetylene reduction technique. Studies revealed...

Mann, F.D.; Steinke, T.D., 1989: Biological nitrogen fixation acetylene reduction associated with blue green algal cyanobacterial communities in the beachwood mangrove nature reserve south africa i. the effect of environmental factors on acetylene reduction activity. Nitrogen fixation of blue-green algae (cyanobacteria) associated with Avicennia marina (Forssk.) Vierh. pneumatophores and wet and dry surface sediments was investigated in the Beachwood Mangrove Nature Reserve by means of the acetylene reduction...

Goh, K.M.; Edmeades, D.C.; Robinson, B.W., 1978: Field measurements of symbiotic nitrogen fixation in an established pasture using acetylene reduction and a nitrogen 15 method. The C2H2 reduction (A.R.) assay was investigated for quantitative measurement of symbiotic [bacterial] N2 fixation in established legume-based pastures under field conditions. It was found that the rate of C2H4 production was relatively constant f...

Knowles, R.; Brouzes, R.; O.T.ole, P., 1973: Kinetics of nitrogen fixation and acetylene reduction, and effects of oxygen and of acetylene on these processes, in a soil system. [127.5].It was concluded that C2H2 assays conducted at the ambient oxygen concentration without renewal of the nitrogen are possible and may be desirable in view of the possible oxygen inhibition induced by flushing with air or with argon plus oxy...

Knowles, R.B.ouzes, R.O.-Toole, P., 1973: Kinetics of nitrogen fixation and acetylene reduction, and effects of oxygen and of acetylene on these prodesses, in a soil system. Bulletin 7 255-262