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Isolation and partial purification of a hemolytic sphingomyelin-inhibitable fraction from the sea anemone Anthopleura nigrescens
(2014-03)
Actinoporins are highly hemolytic pore-forming proteins with a molecular mass of around 20 kDa and high affinity for sphingomyelin-containing membranes. On the crude extract of the sea anemone Anthopleura nigrescens, the ...
Strategy of bioremediation in recirculating aquaculture systems using constructed microbial mats
(Journal of Chemical, Biological and Physical Sciences, 2014-11-30)
Due to strict international standards, every day there is greater interest in developing environmentally sound treatment systems in aquaculture facilities that can remove contaminants from effluent and allows for the reuse ...
New species of Potamocoris Hungerford (Heteroptera, Potamocoridae) from Costa Rica and a key to the species
(Magnolia Press, 2014-11)
A new potamocorid species, Potamocoris sitesi NEW SPECIES, with its two wing morphs (coleopteroid and macropterous) are described from Costa Rica. Descriptions are supported with photographs and illustrations. Parameres ...
Biodeterioration and biodegradation of Roman monuments: A comparison of the current status of 18th century paintings by the Canalettos
(2014)
Worldwide there is an urgent need to monitor the conditions of monuments affected by biodeterioration and biodegradation, but no long term data exist for most of them. Here is an exception in the case of certain Roman ...
Nesting ecology of East Pacific green turtles at Playa Cabuyal, Gulf of Papagayo, Costa Rica
(2014-07)
East Pacific green turtles (Chelonia mydas), often referred to as black turtles, are smaller and exhibit a lower reproductive output than other populations of green turtles in the Atlantic, Indian and Western Pacific Oceans. ...
Productividad y rentabilidad del cultivo de camarones marinos en el Golfo de Nicoya, Costa Rica
(Universidad Nacional (Costa Rica), 2014-12)
El objetivo del presente estudio es la evaluación de la productividad y la rentabilidad económica del cultivo comercial de camarones marinos en el Golfo de Nicoya, Costa Rica. El estudio se llevó a cabo en el 2013 en fincas ...
First record of leucism in brown pelicans (Pelecanus occidentalis) in Costa Rica
(Universidad Nacional (Costa Rica), 2014-12)
Leucism in birds is rarely observed in the Pelecaniformes order and has not been recorded for the brown
pelican (Pelecanus occidentalis) in Costa Rica. We describe an observation of a leucistic brown pelican
with white ...
Efectos de El Niño y La Niña sobre el comportamiento del microfitoplancton marino y las variables fisicoquímicas durante el 2008 a 2010 en el Golfo de Nicoya, Costa Rica
(Universidad Nacional (Costa Rica), 2014-12)
El Niño 2009 fue responsable de una estación lluviosa de baja intensidad y de valores promedios anuales de temperatura del agua, sólidos totales, salinidad y oxígeno disuelto más altos. Las densidades medias de diatomeas ...
Efficacy of calcein and Coomassie Blue dyeing of shell growing-edges and micro growth-bands: Ageing juvenile of Pinctada mazatlanica(Pterioida: Pteriidae)
(Universidad de Costa Rica, 2014)
Age validation is the first step to determine shellfish species age determination. This information is vital for different inferential models used in marine ecosystem management activities. In spite that various validation ...
Mesoamerican tree squirrels evolution (Rodentia: Sciuridae): a molecular phylogenetic analysis
(Universidad de Costa Rica, 2014)
The tribe Sciurini comprehends the genera Sciurus, Syntheosiurus, Microsciurus, Tamiasciurus and
Rheinthrosciurus. The phylogenetic relationships within Sciurus have been only partially done, and the relation ship between ...