• Publications
  • Influence
Reviewing the relevance of fluorescence in biological systems.
Fluorescence is emitted by diverse living organisms. The analysis and interpretation of these signals may give information about their physiological state, ways of communication among species and theExpand
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Atrazine and Methyl Viologen Effects on Chlorophyll-a Fluorescence Revisited-Implications in Photosystems Emission and Ecotoxicity Assessment.
In this work, we use the effect of herbicides that affect the photosynthetic chain at defined sites in the photosynthetic reaction steps to derive information about the fluorescence emission ofExpand
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Energy Transfer Among Dyes on Particulate Solids†
Abstract Absorption and fluorescence properties of methylene blue (MB), a well-known singlet molecular oxygen photosensitizer, and its mixtures with pheophorbide-a (Pheo) sorbed on microgranularExpand
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Is the flower fluorescence relevant in biocommunication?
Flower fluorescence has been previously proposed as a potential visual signal to attract pollinators. In this work, this point was addressed by quantitatively measuring the fluorescence quantum yieldExpand
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Sunlight and UVC-254 irradiation induced photodegradation of organophosphorus pesticide dichlorvos in aqueous matrices.
Dichlorvos (DDVP) is an organophosphorus pesticide that has been classified as highly hazardous chemical by the World Health organization. In this study, the fate of the pesticide DDVP in naturalExpand
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Photophysics of supported dyes: phthalocyanine on silanized silica
Aluminum tetracarboxyphthalocyanine is adsorbed onto silanized silica particles at different dye to particle ratios. Diffuse reflectance spectra are measured and the equilibrium between dye monomersExpand
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Effect of arsenic on reflectance spectra and chlorophyll fluorescence of aquatic plants.
Arsenic pollution of groundwater is a serious problem in many regions of Latin America that causes severe risks to human health. As a consequence, non-destructive monitoring methodologies, sensitiveExpand
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Modelling chlorophyll fluorescence of kiwi fruit (Actinidia deliciosa).
Kiwi fruit displays chlorophyll fluorescence. A physical model was developed to reproduce the observed original fluorescence for the whole fruit, from the emission of the different parts of the kiwiExpand
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The removal of fluoride from aqueous solution by a lateritic soil adsorption: Kinetic and equilibrium studies.
The use of natural sorbents to remove fluoride from drinking water is a promising alternative because of its low-cost and easy implementation. In this article, fluoride adsorption on a latosol soilExpand
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Biosorption of arsenic from groundwater using Vallisneria gigantea plants. Kinetics, equilibrium and photophysical considerations.
Arsenic (V) uptake from groundwater by using Vallisneria gigantea plants was studied using batch experiments. Reflectance and fluorescence of intact plants were investigated and changes inExpand
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