Ionophore
Mostrando 1-12 de 923 artigos, teses e dissertações.
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1. Gene Deletion Leads to Improved Valinomycin Production by Streptomyces sp. CBMAI 2042
The genus Streptomyces represents one of the largest producers of molecules with antibiotic activity. The whole genome sequencing of the endophytic microorganism Streptomyces sp. CBMAI 2042 revealed 35 gene clusters encoding for secondary metabolism including 3 non-ribosomal peptide synthetases (NRPS) and 7 NRPS-hybrids. Combining genome mining and cultivati
J. Braz. Chem. Soc.. Publicado em: 2019-03
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2. A Novel Sensitive Bulk Optode Based on 5-Br Salophen as an Ionophore for Determination of Zinc Ion in Real Samples
An optical sensing film was fabricated for sensitive determination of zinc ion in aqueous solutions. The optical sensor was prepared by synthesized ionophore, 5-Br salophen, dioctyl sebacate (DOS) as a plasticizer, sodium tetraphenyl borate (NaTPB) as a lipophilic anionic additive in a poly(vinyl chloride) membrane. The optode response is based on the cation
J. Braz. Chem. Soc.. Publicado em: 2018-03
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3. Construction of a New Aluminum(III) Cation Selective Electrode Based on 12-Crown-4 as an Ionophore
This article describes the fabrication of a novel and selective polyvinylchloride (PVC) membrane potentiometric sensor for Al3+ cation based on 12-crown-4 (12C4) as an ionophore. The electrode was prepared by coating the surface of a graphite rod by a membrane containing PVC as a plastic matrix, dibutylphthalate (DBP) as plasticizer, 12C4 as an ionophore and
J. Braz. Chem. Soc.. Publicado em: 2015-05
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4. Combined use of ionophore and virginiamycin for finishing Nellore steers fed high concentrate diets
Zebu cattle fed high concentrate diets may present inconsistent performance due to the occurrence of metabolic disorders, like acidosis. The isolated use of ionophores and virginiamycin in high grain diets can improve animal performance and reduce the incidence of such disorders, but recent studies suggested that their combination may have an additive effect
Sci. agric. (Piracicaba, Braz.). Publicado em: 2013-08
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5. Monitoring of praseodymium(III) ions in aqueous solutions, soil and sediment samples by a PVC membrane sensor based on a furan-triazole derivative
A furan-triazole derivative has been explored as an ionophore for preparation of a highly selective Pr(III) membrane sensor. The proposed sensor exhibits a Nernstian response for Pr(III) activity over a wide concentration range with a detection limit of 5.2×10-8 M. Its response is independent of pH of the solution in the range 3.0-8.8 and offers the advanta
Quím. Nova. Publicado em: 2012
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6. The protective effect of cilostazol on isolated rabbit femoral arteries under conditions of ischemia and reperfusion: the role of the nitric oxide pathway
OBJECTIVES: The clinical significance of ischemia/reperfusion of the lower extremities demands further investigation to enable the development of more effective therapeutic alternatives. This study investigated the changes in the vascular reactivity of the rabbit femoral artery and nitric oxide metabolites under partial ischemia/ reperfusion conditions follo
Clinics. Publicado em: 2012
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7. Species distribution and antimicrobial susceptibility of enterococci isolated from broilers infected experimentally with Eimeria spp and fed with diets containing different supplements
Resistant bacteria in animal can be spread to environment and to humans. Poultry feed and infections caused by Eimeria spp. are important factors in determining the intestinal microbial communities. The aim of this study was to verify the prevalence of species and antimicrobial susceptibility of Enterococcus isolated from broilers fed with different suppleme
Brazilian Journal of Microbiology. Publicado em: 2011-06
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8. Decoquinate, Lasalocid and Monensin for starter feeds and the performance of Holstein calves to 20 weeks of age.
2002
Scientia Agricola. Publicado em: 2011
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9. Parâmetros sanguíneos de bezerras leiteiras alimentadas com milho processado e monensina, pré e pós desmama precoce.
2002
REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA. Publicado em: 2011
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10. Alterações em parâmetros ruminais de bezerros alimentados com milho processado (Floculado VS. Laminado a vapor) e Monensina.
2002
REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA. Publicado em: 2011
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11. Peritoneal fluid modulates the sperm acrosomal exocytosis induced by N-acetylglucosaminyl neolycoprotein
The effect of peritoneal fluid (PF) on the human sperm acrosome reaction (AR) was tested. Sperm was pre-incubated with PF and the AR was induced by calcium ionophore A23187 and a neoglycoprotein bearing N-acetylglycosamine residues (NGP). The AR induced by calcium ionophore was inhibited 40% by PF from controls (PFc) and 50% by PF from the endometriosis (PFe
Publicado em: 2010
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12. Combined use of ionophore and virginiamycin in confined Nellore steers fed high concentrate diets / Uso combinado de ionóforo e virginiamicina em novilhos Nelore confinados com dietas de alto concentrado
Zebu cattle fed high concentrate diets may present metabolic disorders, such as ruminal acidosis and liver abscesses. Also these animals display inconsistent performances in high starch diets. The use of feed additives such as ionophores and virginiamycin has been thoroughly investigated and the results are very consistent, with improvements in performance,
Publicado em: 2008