Results 51 to 60 of about 175 (165)

Características do sêmen a fresco e descongelado de garanhões da raça Nordestina

open access: yesPesquisa Veterinária Brasileira, 2015
RESUMO: Este estudo descreveu as características seminais, da membrana plasmática e do acrossoma de espermatozoide congelado/descongelado de 19 ejaculados de garanhões da raça Nordestina.
Maria Alice M. Santos   +6 more
doaj   +1 more source

Caracterización espectroscópica de enmiendas orgánicas

open access: yesAIA Avances en Investigación Agropecuaria, 2011
Las características estructurales de los ácidos húmicos (ahs) dependen, fundamentalmente, del origen y las condiciones en las cuales se desarrollan estos compuestos.
A. J. Zambrano   +3 more
doaj  

Potencial antimicrobiano e alelopático das amidas isoladas do extrato das raízes de Ottonia martiana Miq. Antimicrobial and allelopathic potential of the amides isolated from the roots of Ottonia martiana miq., piperaceae

open access: yesQuímica Nova, 2006
Two amides, piperovatine and isopiperlonguminine, were isolated from the roots of Ottonia martiana Miq., a herbaceous shrub commonly used in folk medicine in the treatment of toothache.
Miriam Machado Cunico   +8 more
doaj   +1 more source

Poliaminas na embriogênese somática em cenoura (Daucus carota L.) Polyamines in somatic embryogenesis in carrot (Daucus carota L.)

open access: yesScientia Agricola, 1995
As poliaminas, putrescina (put), espermidina (spd) e espermina (spm) são amplamente distribuídas na natureza, desempenhando importante papel em vários eventos celulares.
J. Schons, O. G. Brasil
doaj   +1 more source

[Large perianal defect due to treatment with antihemorrhoidal ointment in an immunosuppressed patient]. [PDF]

open access: yesAten Primaria, 2023
Carmona Pérez MV   +3 more
europepmc   +1 more source

Constituyentes no polares de la corteza de esenbeckia ahita y actividad antimicrobiana

open access: yesRevista Colombiana de Química, 2010
De la corteza de Esenbeckia alata (Rutaceae) se aislaron cuatro compuestos identificados como: 5-hidroxi-2-metilcromanona aislado por primera vez en vegetales (en este trabajo se completan sus datos espectroscópicos), (-)-episesamina, la amida ...
Olimpo García Beltrán   +1 more
doaj  

Estimativa por DSC das entalpias de sublimação da etilenouréia e da propilenouréia: algumas correlações empíricas envolvendo amidas e tioamidas Estimative by DSC data of the sublimation enthalpies for ethyleneurea and propyleneurea: some empirical correlations with amides and tioamides

open access: yesQuímica Nova, 1999
By using DSC data, the enthaplies of sublimation for ethyleneurea and propyleneurea, are calculated as 84 and 89 kJ mol-1 respectively. Using the vaporization enthalpy values for dimethylethyleneurea and dimethylprophyleneurea, as obtained from ...
Robson Fernandes de Farias
doaj   +1 more source

Síntese de amidas e sulfonamidas de beta-D-galactopiranosilamina e beta-lactosilamina e avaliação de suas interações com lectinas de Erythrina cristagalli e de Ricinus communis Synthesis of amides and sulfonamides of beta-D- galactopyranosylamine and beta-lactosylamine and evaluation of their interactions with the lectins from Erythrina cristagalli and Ricinus communis

open access: yesQuímica Nova, 2007
We report herein the synthesis of some beta-D-galactopyranosylamine and beta-lactosylamine amides and sulfonamides. The interactions of these compounds with lectins from the seeds of Erythrina cristagalli (LEC) and Ricinus communis (RCA120) were ...
Anna Paola Butera   +9 more
doaj   +1 more source

The role of cannabinoids in neurodevelopmental disorders of children and adolescents. [PDF]

open access: yesRev Neurol, 2022
Dias-de Freitas F   +5 more
europepmc   +1 more source

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