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Mostrando ítems 1501-1510 de 1672
Dr. Clodomiro Picado Twight (1887-1944)
(2010)
Semblanza de Clodomiro Picado Twight, quien jugó un papel central en el desarrollo inicial de varias ramas de la ciencia en Costa Rica. Su formación académica se inició en el Colegio San Luis Gonzaga, en Cartago, donde ...
Bacterial communities in residential wastewater treatment plants are physiologically adapted to high concentrations of quaternary ammonium compounds
(2023-08-28)
Benzalkonium chloride (BAC) is a quaternary ammonium compound (QAC) widely used
as the active ingredient of disinfectants. Its excessive discharge into wastewater is
constant and in high concentrations, likely affecting ...
ClC-1 Chloride channel: Inputs on the structure–function relationship of myotonia congenita-causing mutations
(2023)
Myotonia congenita is a hereditary muscle disease mainly characterized by muscle hyperexcitability, which leads to a sustained burst of discharges that correlates with the magnitude and
duration of involuntary aftercontractions, ...
Histopathological and biochemical alterations induced by intramuscular injection of Bothrops asper (terciopelo) venom in mice
(1989)
The local and systemic pathological changes induced by an i.m. injection of 100 micrograms of Bothrops asper venom in mice were studied histologically and by following the changes in serum levels of enzymes, proteins, ATP ...
Unveiling the nature of black mamba (Dendroaspis polylepis) venom through venomics and antivenom immunoprofiling: identification of key toxin targets for antivenom development.
(2015-04-24)
The venom proteome of the black mamba, Dendroaspis polylepis, from Eastern Africa, was, for the first time, characterized. Forty- different proteins and one nucleoside were identified or assigned to protein families. The ...
Infant Mortality in Costa Rica: Explaining the Recent Decline
(1986)
Costa Rica has undergone a dramatic reduction in its infant mortality rate from 68 per 1,000 live
births in 1970 to 20 per 1,000 in 1980. In the present study, changes during this century,
mortality differentials, and ...
Estudio de Puriscal V: Infección entérica en niños menores de dos años
(Revista Hospital Nacional de Ninos de Costa Rica 17(1y2):57-70, 1982)
The pretence of enteric pathogens was studied in 279 diarrheic and 198 nondiarrheic
children in a rural area of Costa Rica whose childhood population are
the object of a prospective multidisciplinary study. Cases end ...
Mouse determinant lethal and bone marrow micronucleus studies on methyl vinyl sulfone and divinyl sulfone
(1991)
Methyl vinyl sulfone and divinyl sulfone were tested for the induction of dominant lethal mutations and micronucleated bone-marrow erythrocytes in male mice. These chemicals were chosen for study because of their similarities ...
Micronúcleos y otras anormalidades nucleares en el epitelio oral de mujeres expuestas ocupacionalmente a plaguicidas
Micronuclei and other nuclear abnormalities in the oral epithelium of female workers exposed to pesticides
(Revista de Biología Tropical 52(3) p. 611 -621, 2004-12-15)
In order to study if banana fields labour exposure to pesticides produces some kind of DNA damage,
we determine the presence of micronuclei in epithelial oral cells in working women in Guapiles and
Siquirres, Costa Rica, ...
Antibody-mediated neutralization and binding-reversal studies on α-neurotoxins from micrurus nigrocinctus nigrocinctus (coral snake) venom
(1996-03)
An ELISA based, non-radioactive acetylcholine receptor (AchR) binding assay was used to detect the alpha-neurotoxins present in Micrurus nigrocinctus nigrocinctus venom. Sera from horses hyperimmunized against M. nigrocinctus ...