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Mostrando ítems 171-180 de 315
La aplicación exógena de ácidos orgánicos aumenta la tolerancia a metales pesados en plantas
(Universidad de Chile, 2022)
Los metales pesados son un grupo heterogéneo de metales y metaloides que existen de manera natural en la superficie terrestre. No existe un consenso en cuanto a la definición de metal pesado, sin embargo, se puede definir ...
Suplementacao de zinco orgânico na racão de frangos de corte alojados em cama nova ou reutilizada
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Produção AnimalSistemas de Produção Sustentáveis no Semi-árido; Caracterização, conservação e melhoramento genético, 2012-12-14)
Abstract: Several factors can affect the development of the broiler, among them we can
highlight nutrition and management. In the context nutritional, mineral supplementation is
a necessary practice because, in general, ...
Reactividad de derivados de metalaxil frente zinc(II) y cobre(II)
(Universidad Michoacana de San Nicolás de Hidalgo, 2022-05)
The present work describes the reactivity of Metalaxyl derivatives against Zinc(II) and Copper(II) salts, for the generation of coordination complexes, through mild reaction conditions, which were carried out by isolating ...
Respostas da soja a diferentes alternativas de adubação de restituição de zinco em solo de cerradoSoybean responses to different alternatives for zinc refund fertilization in cerrado soil
(UNIVERSIDADE FEDERAL DE LAVRASDCS - Departamento de Ciência do SoloUFLABRASIL, 2014)
Quenching of bathocuproine disulfonate fluorescence by Cu(I) as a basis for copper quantification
(Academic Press Inc Elsevier Science, 2002-08)
In this paper we report the up to now ignored fluorescence properties of the specific Cu(I)-chelator bathocuproine disulfonate and their application in assays of total copper and Cu(I). The method is based on the linear ...
Regulation of Zn and Fe transporters by the GPC1 gene during early wheat monocarpic senescence
(BioMed Central, 2014-02)
BACKGROUND: During wheat senescence, leaf components are degraded in a coordinated manner, releasing amino acids and micronutrients which are subsequently transported to the developing grain. We have previously shown that ...
Crystal structure and kinetic analysis of the class B3 di-zinc metallo-β-lactamase LRA-12 from an Alaskan soil metagenome
(Public Library of Science, 2017-07)
We analyzed the kinetic properties of the metagenomic class B3 β-lactamase LRA-12, and determined its crystallographic structure in order to compare it with prevalent metallo-β-lac-tamases (MBLs) associated with clinical ...
Efeito de preparações de produtos naturais (cravo da índia e tomate) e de um produto sintético na marcação de constituintes sangüineos com tecnécio-99m e na morfologia de hemácias isoladas de sangue de ratos wistar
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciências da SaúdeCiências da Saúde, 2007-08-17)
There are strong interests in the evaluation of the biological effects of natural and synthetic products. Blood constituents labeled with technetium-99m (99mTc) are used in nuclear medicine. The aim of this work was to ...
Eficiência da aplicação de resíduo biológico do branqueamento de argila como quelatizante de zinco na adubação foliar do cafeeiro (Coffea arábica L.)
(Universidade Estadual Paulista (UNESP), 2014)