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Estación Biológica de Doñana
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Quality and Environment
Use of animals in research
Laboratory of Molecular Ecology
Laboratory of GIS and Remote Sensing
Laboratory of Chemical Ecology
Laboratory of Aquatic Ecology
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Roblehondo Field Station
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Doñana Cork Oaks
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Impairment of mixed melanin-based pigmentation in parrots
Parrots and allies (Order Psittaciformes) have evolved an exclusive capacity to synthesize polyene pigments called psittacofulvins at feather follicles, which allows them to produce a striking...
About Impairment of mixed melanin-based pigmentation in parrots
Molecular vibration as a novel explanatory mechanism for the expression of animal colouration
Animal colouration is characterized by the concentration of pigments in integumentary structures and by the nanoscale arrangement of constitutive elements. However, the influence of molecular...
About Molecular vibration as a novel explanatory mechanism for the expression of animal colouration
Raman spectroscopy quantification of eumelanin subunits in natural unaltered pigments
Eumelanins are large polymers composed of 5,6-dihydroxyindole (DHI) and 5,6-dihydroxyindole-2-carboxylic acid (DHICA). ROS generation is higher during the synthesis of DHI than during the synthesis...
About Raman spectroscopy quantification of eumelanin subunits in natural unaltered pigments
Identification and quantification of melanin types by Raman spectroscopy
Melanins are the most prevalent pigments in animals and are involved in visual communication by producing colored traits that often evolve as intraspecific signals of quality. Identifying and...
About Identification and quantification of melanin types by Raman spectroscopy