Results 21 to 30 of about 6,418 (179)
Root growth of tomato seedlings intensified by humic substances from peat bogs
Peats are an important reserve of humified carbon in terrestrial ecosystems. The interest in the use of humic substances as plant growth promoters is continuously increasing. The objective of this study was to evaluate the bioactivity of alkaline soluble
Alexandre Christofaro Silva +7 more
doaj +1 more source
Óleos essenciais de manjericão e capim citronela no controle de larvas de Aedes aegypti
O objetivo deste trabalho foi avaliar o efeito larvicida do óleo essencial do manjericão (Ocimum basilicum L.)e do capim citronela (Cymbopogon nardus L.) em larvas de Aedes aegypti.
Ronice Alves Veloso +4 more
doaj +1 more source
Synthesis of CaSiO3 whiskers in alkaline salt flux for biomaterials reinforcement [PDF]
Materials reinforcement by ceramic whiskers has been employed for a long time in a variety of industrial applications. Nevertheless, the materials by which these whiskers are commonly made of (carbide and silicon nitride) do not allow their use in ...
Bertran, C. A., Motisuke, Mariana
core +1 more source
Avaliação da bioatividade e caracterização química de uma espécie de uso tópico: Juglans regia L. [PDF]
As folhas de Juglans regia L. (nogueira), são consideradas uma fonte de compostos benéficos para a saúde, sendo amplamente utilizadas na medicina tradicional.
Barros, Lillian +5 more
core +3 more sources
Humic substances isolated from soil organic matter had been used as stimulators of plant metabolism. Arabidopsis thaliana (L.) Heynh. with only five chromosomes, short cycle and size, is an important model to evaluate the physiological effects of these ...
Marihus Altoé Baldotto +3 more
doaj +1 more source
Effects of glucocorticoids on growth and bone mineralization [PDF]
OBJETIVO: Revisar os mecanismos de ações dos glicocorticoides e sua capacidade de induzir osteoporose e déficits de crescimento. FONTES DOS DADOS: A revisão bibliográfica de artigos científicos foi realizada na base de dados MEDLINE e utilizou as ...
DONATTI, Teresinha Lermen +3 more
core +2 more sources
Rock phosphates have low solubility in water, but good solubility in acid. The use of organic compounds together with these phosphorus sources applied to the basal leaf axils of pineapple can increase the solubility of this phosfate source and increase ...
Marihus Altoé Baldotto +4 more
doaj +1 more source
Plant growth promoting substances are widely used in modern agriculture. Several products in the market are humic substances isolated from different sources. The filter cake, a residue of sugar production, is a rich and renewable source of organic matter
Jader Galba Busato +4 more
doaj +1 more source
On mechanical properties and bioactivity of PVDF-BCP composites
A ceramic/polymer biocomposite with high potential for multifunctional practical applications in bone tissue engineering was synthesized by using a well-known piezoelectric polymer, polyvinylidene fluoride (PVDF), and a high bioactive biphasic calcium ...
L. M. Silva +10 more
doaj +1 more source
Micronutrient deficiencies are of great public health and socioeconomic importance. Food fortification has been widely used as a simple low-cost resource to increase mineral intake.
Angela Soares +6 more
doaj +1 more source

