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Sounds in Melipona costaricensis (Apidae: Meliponini): effect of sugar concentration and nectar source distance
(Apidologie 33 (2002) 375–388, 2002)
The principal finding presented here is that Melipona costaricensis produces sounds that vary significantly
in relation to varying sugar concentrations. Several components of the sounds produced, during the
bees’stay ...
Effect of macronutrients and sucrose concentration on in vitro growth of Drosera capensis L. (Droseraceae) plants, and evaluation of six substrates for acclimatization
(2011-01)
The effect of two concentrations of the Murashige and Skoog macronutrients (full and half strength), in combination with three concentrations of sucrose (1.5, 3.0 and 4.5% w/v), was evaluated on the in vitro growth of ...
Influence of Orally Administered Antibiotics on Faecal pH and Volatile Fatty Acid Concentrations on Infants and Young Children
(1990)
Faecal specimens were collected from infants and children with common infections who presented to the Paediatrics Outpatient Department of the National Children's Hospital, San Jose, Costa Rica or to the Paediatrics Clinic, ...
Effect of tooth-bleaching on the carbonate concentration in dental enamel by Raman spectroscopy
(2017-01)
BACKGROUND:
There are not many studies evaluating the effects of surface treatments at the molecular level. The aim of this in vitro study was to analyze the concentration of carbonate molecules in dental enamel by Raman ...
Systemic cytokine response in children bitten by snakes in Costa Rica
(2001-12)
BACKGROUND:
To characterize the host response to venom from snakes of the family Viperidae in Costa Rica, we investigated the release of cytokines: IL-1, IL-6, IL-8, TNF-alpha, MIP-1beta, and RANTES in pediatric patients ...
Serum cholesterol, triglyceride, and high-density-lipoprotein concentrations in men with different dietary and exercise regimens in Puriscal, Costa Rica
(1986)
Mean serum cholesterol and triglyceride concentrations were higher for two
groups of sedentary middle-aged and elderly men than for a group of physically-active,
middle-aged farmers, all from rural Puriscal, Costa Rica. ...
Caprylic acid fractionation of hyperimmune horse plasma: description of a simple procedure for antivenom production
(1994)
A simple methodology for hyperimmune horse plasma fractionation, based on caprylic acid precipitation, is described. Optimal conditions for fractionation were studied; the method gives best results when concentrated caprylic ...
Un método para evaluar el enriquecimiento de metales en sedimentos marinos en Costa Rica
(Revista Biología Tropical 60 (2): 197-211, 2012-04-01)
A method to evaluate metal enrichment in marine sediments. In order to evaluate metal enrichment in sediments , a method is proposed and tested in Bahia Culebra and the Golfo de Nicoya, Costa Rica through the normalization ...
Concentración de inmunoglobulinas totales en calostros de vacas en explotaciones lecheras de Costa Rica
(2015)
El objetivo del presente estudio fue determinar la concentración de inmunoglobulinas (Igs) totales en el calostro producido por vacas lecheras y establecer el efecto que la raza y el número de parto pueden tener sobre dicha ...
Mercury levels in muscle tissue of four common elasmobranch species from the Pacific coast of Costa Rica, Central America
(2016-01)
Mercury (Hg) is a non-essential and toxic element that is ubiquitous in the marine environment and biomagnifies through food webs. Given the high trophic position of many elasmobranch species, it is important to quantify ...