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Thalassia testudinum phosphate uptake kinetics at low in situ concentrations using a 33 P radioisotope technique
Thalassia testudinum phosphate uptake situ concentrations
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2014/4/23
A new 33
P-tracer technique was used to define low-level phosphate (Pi) uptake kinetics for a dominant tropical
seagrass, Thalassia testudinum. We established seagrass Pi uptake kinetics at hi...
Ostwald ripening and the kinetics of rain initiation
Ostwald ripening and the kinetics the kinetics
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2011/8/26
A central problem in cloud physics is understanding the kinetics of the growth of water droplets.It is believed that there exists a ‘condensation-coalescence bottleneck’ in the growth of intermediate ...
Optimization-based model of multinutrient uptake kinetics
Optimization-based model multinutrient uptake kinetics
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2014/4/22
We present a new, optimization-based model for uptake kinetics of multiple nutrients, which has the same number of parameters (two for each nutrient) as the Michaelis-Menten model. We fit this model a...
Kinetics of phosphorus in Daphnia at different food concentrations and carbon:phosphorus ratios
Kinetics of phosphorus in Daphnia different food concentrations carbon:phosphorus ratios
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2014/4/22
We examined the assimilation efficiency, excretion, and efflux of phosphorus (P) in adults and juveniles of Daphnia magna under different food levels (2-40 μg P L-1) and dietary carbon : phosphorus (C...
Parameterizing the natural fluorescence kinetics of Thalassiosira weissflogii
Parameterizing natural fluorescence kinetics Thalassiosira weissflogii
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2014/5/13
We examined variability in the natural fluorescence yield of a neritic diatom, Thalassiosira weissflogii, in continuous cultures. In this species, kinetics in natural fluorescence yield over time scal...
Effect of iron deficiency on diatom cell size and silicic acid uptake kinetics
iron deficiency diatom cell size silicic acid uptake kinetics
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2014/5/19
We studied the silicic acid uptake kinetics of the pennate diatom Cylindrotheca fusiformis grown under a wide range of iron concentrations (from Fe-limiting to Fe-sufficient conditions) to assess the ...
The continuity and intensity of ultraviolet irradiation affect the kinetics of biosynthesis, accumulation, and conversion of mycosporine-like amino acids (MAAs) in the coral Stylophora pistillata
continuity and intensity ultraviolet irradiation accumulation conversion mycosporine-like amino acids coral Stylophora pistillata
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2014/5/14
Colonies of Stylophora pistillata unexposed to ultraviolet radiation (UVR) in laboratory aquaria contained minimal amounts of mycosporine-like amino acids (MAAs). The concentration of MAAs increased r...
Kinetics of microbial Fe(III) oxide reduction in freshwater wetland sediments
Kinetics of microbial Fe(III) oxide reduction freshwater wetland sediments
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2014/5/26
The kinetics of microbial amorphous Fe(III) oxide reduction was investigated in sediments from a freshwater wetland in north central Alabama, USA. Fe(III) oxide concentrations decreased exponentially ...