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Trypanosoma cruzi persistence at oral inflammatory foci in chronic chagasic patients
(2011-12-13)
The persistence of Trypanosoma cruzi in seropositive individuals, previously diagnosed as chronic chagasic
patients (CCP), was detected for the first time in biopsies taken from gingival inflammatory foci processed
by ...
Supervivencia e infectividad de formas metacíclicas de Trypanosoma cruzi en alimentos experimentalmente contaminados
(2011-12-13)
Se registra el tiempo de supervivencia de formas metacíclicas de Trypanosoma cruzi,
obtenidas del tracto digestivo de Rhodnius prolixus, sobre alimentos contaminados experimentalmente. Observaciones entre 1h y 18h ...
Gas exchange in sweet pepper (Capsicum chinense Jacq) under different light conditions
(Journal of Agricultural Science, 3 (3):134-142, 2011-09)
Plants in the tropics are exposed to high radiation and consequently high temperature and evaporative demands throughout the year. Under these conditions, physiological processes and final yield may negatively affect ...
Hidrogenación de Aromáticos en la Catálisis del Complejo Ru(η5- C5H5)(Cl)(TPPDS)2 en Medio Bifásico Orgánico/Agua
(2011-08-17)
En este trabajo se presentan los resultados de la hidrogenación de compuestos aromáticos
como el tolueno, benceno y m-xileno en un sistema bifásico heptano/agua, utilizando como
precursor catalítico el complejo ...
Aqueous biphasic olefin hydroformylation catalyzed by water-soluble rhodium complexes
(2011-08-17)
Catalysis with water-soluble rhodium complexes, RhCl(CO)(TPPMS)2, [TPPMS = P(C6H5)2(C6H4SO3)] (1),
RhCl(CO)(TPPDS)2, [TPPDS = P(C6H5)(C6H4SO3)2] (2) and RhCl(CO)(TPPTS)2, [TPPTS = P(C6H4SO3)3] (3)
in hydroformylation of ...
Hydrogenation of aromatics with [Ru(g5-C5H5)Cl(TPPDS)2] in biphasic medium
(2011-08-16)
[Ru(g5-C5H5)Cl(TPPDS)2], [TPPDS=P(C6H5)(C6H4SO3
))2] in biphasic (n-heptane/water) medium hydrogenates
toluene, benzene and m-xylene (105 C, 1400 psig H2, substrate/catalyst=600:1, 4 h) and in toluene hydrogenation
gives ...
Biphasic catalysis with RuCl2(DMSO)(TPPMS)3
(2011-08-16)
A mononuclear RuCl2(DMSO)(TPPMS)3 complex (1) (TPPMS ¼ triphenylphosphine monosulfonate) has been
synthesized. Spectroscopic analysis by i.r., u.v.–vis., 1H-, 13C-, 31P-n.m.r., cyclic voltammetry, m.s. analysis and ...
Avian nectar robbers of Passiflora mixta (Pasifloraceae): Do they have a positive effect on the plant?
(Interciencia 36(8): 587-592, 2011-08-05)
The effect of nectar robbing on plant reproduction may be negative, positive or neutral. The effect was evaluated on Passiflora mixta, an Andean high-mountain species that is pollinated
by the Sword-billed Hummingbird ...