Results 21 to 30 of about 8,388 (168)

Leishmanicidal Activity of Nine Novel Flavonoids from Delphinium staphisagria

open access: yesThe Scientific World Journal, Volume 2012, Issue 1, 2012., 2012
Objectives. To evaluate the in vitro leishmanicidal activity of nine flavonoid derivatives from Delphinium staphisagria against L. infantum and L. braziliensis. Design and Methods. The in vitro activity of compounds 1–9 was assayed on extracellular promastigote and axenic amastigote forms and on intracellular amastigote forms of the parasites ...
Inmaculada Ramírez-Macías   +7 more
wiley   +1 more source

Oviposition and Embryotoxicity of Indigofera suffruticosa on Early Development of Aedes aegypti (Diptera: Culicidae)

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2012, Issue 1, 2012., 2012
Aqueous extract of Indigofera suffruticosa leaves obtained by infusion was used to evaluate the oviposition, its effect on development of eggs and larvae, and morphological changes in larvae of Aedes aegypti. The bioassays were carried out with aqueous extract in different concentrations on eggs, larvae, and female mosquitoes, and the morphological ...
Jeymesson Raphael Cardoso Vieira   +6 more
wiley   +1 more source

Anatomia foliar de cultivares de bananeira, influenciada por mudanças no ambiente de cultivo na fase de enraizamento/alongamento in vitro

open access: yesOrnamental Horticulture, 2007
Objetivou-se estudar a anatomia foliar de plantas de bananeira submetidas a alterações no ambiente de cultivo na fase de enraizamento in vitro. 
Filipe Almendagna Rodrigues   +5 more
doaj   +1 more source

Critical Evaluation of Techniques to Detect and Measure Cell Death – Study in a Model of UV Radiation of the Leukaemic Cell Line HL60

open access: yesAnalytical Cellular Pathology, Volume 19, Issue 3-4, Page 139-151, 1999., 1999
The reliability of eight distinct methods (Giemsa staining, trypan blue exclusion, acridine orange/ethidium bromide (AO/EB) double staining for fluorescence microscopy and flow cytometry, propidium iodide (PI) staining, annexin V assay, TUNEL assay and DNA ladder) for detection and quantification of cell death (apoptosis and necrosis) was evaluated and
Marina Leite   +3 more
wiley   +1 more source

Pressão osmótica: abordagem quantitativa para um conhecido experimento

open access: yesRevista Principia, 2006
É apresentada e discutida uma abordagem quantitativa para um conhecido experimento sobre pressão osmótica utilizando-se cenouras. Um sistema experimental simples, constituído por um capilar de vidro, soluções de sacarose e cenouras em cujo interior ...
Robson Fernandes de Farias   +4 more
doaj   +1 more source

Inheritance of β-carotene and sacarose contents in melon

open access: yes, 2017
Improving the quality of melon is one of the main objectives of a breeding program. Knowledge of trait inheritance assists the researcher in the choice of breeding strategy, giving greater security in the selection process and allowing higher genotypic ...
Silva, Juliana Maria Costa da
core   +1 more source

CONGELAMENTO ULTRA-RÁPIDO DE EMBRIÕES Mus musculus COM A UTILIZAÇÃO DE SACAROSE E LACTOSE

open access: yesCiência Rural, 1992
Cento e seis mórulas de camundongos da cepa CF1 Suíço Albina, coletadas 76-78h após a administração de HCG, foram congeladas em solução de congelamento contendo glicerol 2,0M + sacarose 0,25M (Grupo S) ou Glicerol 2,0M + lactose 0,25M (Grupo L), ambas em
Mari Lourdes Bernardi   +2 more
doaj   +1 more source

A eficácia da sacarose no alívio de dor em neonatos: revisão sistemática da literatura The efficacy of sucrose for the relief of pain in neonates: a systematic review of the literature

open access: yesJornal de Pediatria, 2005
OBJETIVO: Apresentar uma revisão de estudos empíricos, publicados entre 1993 e 2004, sobre a eficácia da solução de sacarose no alívio de dor em neonatos.
Cláudia M. Gaspardo   +2 more
doaj   +1 more source

Soluções de manutenção na pós-colheita de Chrysanthemum morifolium cv. Dragon Chrysanthemum morifolium cv. Dragon postharvest maintenance solutions

open access: yesCiência e Agrotecnologia, 2010
O desenvolvimento e uso de técnicas que prolonguem a durabilidade das flores, mantendo a qualidade do produto, é imprescindível para redução de perdas pós-colheita.
Poliana Cristina Spricigo   +4 more
doaj   +1 more source

Nutrients or resin? – The relationship between resin and food foraging in stingless bees

open access: yesEcology and Evolution, Volume 14, Issue 2, February 2024.
We analyzed the role of resin intake on the foraging behavior and resource intake of tropical stingless bees in Ecuador. We show that stingless bee species with a large workforce devoted to collecting resin were overall more active, and foraged on pollen from slightly different spectra of plants, suggesting that species engaging in high resin ...
Gemma Nydia Villagómez   +6 more
wiley   +1 more source

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