Results 51 to 60 of about 86,147 (197)
Frontiers in Marine Science, 2020 Interactions between predators and their prey are important in shaping planktonic ecosystems. However, these interactions are difficult to assess in situ at the spatial scales relevant to the organisms.
Christian Briseño-Avena +4 more
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Blue-fluorescence of NADPH as an indicator of marine primary production
, 2004 Nicotinamide Adenine Dinucleotide Phosphate (NADPH) is the primary product of photosynthesisand can therefore serve as an indicator of biomass and photosynthetic activity.
Frank Terjung +7 more
core +1 more source
Nature Communications, 2018 In the original version of this Article, the data accession https://doi.org/10.17882/42182 was omitted from the Data Availability statement. In the first paragraph of the Methods subsection entitled ‘Float data processing’, the WET Labs ECO-triplet ...
A. Mignot, R. Ferrari, H. Claustre
doaj +1 more source
A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime
, 2022 We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like ...
Rodrigues, Ricardo A. +10 more
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A Multifrequency Phase Fluorometer Using the Harmonic Content of a Mode-Locked Laser [PDF]
, 1985 A description is given of the construction and operation of a cross-correlation phase and modulation fluorometer which uses the harmonic content of a high repetition rate mode-locked laser as the excitation source.
Jameson, David M +2 more
core +1 more source
Limnological ReviewRaphidiopsis raciborskii (formerly Cylindrospermopsis raciborskii) is a bloom-forming cyanobacterium that employs the production of toxins and other secondary metabolites as a competitive and allelopathic strategy.
Camila Nader +3 more
doaj +1 more source
Gas exchange and chlorophyll a fluorescence parameters of ornamental bromeliads
Ornamental Horticulture, 2017 Gas exchange and chlorophyll a fluorescence are widely used in physiological and ecological studies; however, few studies have used these techniques with ornamental plants.
Karina Gonçalves da Silva +5 more
doaj +1 more source
Celtic Explorer Cruise 0716, 19-25 Jun 2007. Time-series observations at the PAP Observatory [PDF]
, 2007 The main objective of this very short cruise was to refurbish the PAP observatory (NE Atlantic), a long term study site at which a variety of observations have been made over the past 20 years with increasing levels of intensity and sophistication.
Lampitt, R.S.
core +1 more source
Bio-Protocol, 2018 Chlorophyll fluorescence measurements have been widely used to monitor the condition of photosynthesis. Furthermore, chlorophyll fluorescence from cyanobacteria reflects the condition of respiration, since cyanobacterial photosynthesis shares several ...
Takako Ogawa, Kintake Sonoike
doaj +1 more source
The users centered design of a new digital fluorometer [PDF]
, 2009 The fluorometer is the equipment used in chemical analysis laboratories, research institutes and nuclear fuel cycle companies. This equipment measures an unknown amount of uranium in ores, rivers, etc.
Farias, Marcos Santana +5 more
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