Results 31 to 40 of about 191,187 (265)

Parâmetros ósseos de frangos de corte alimentados com rações contendo fitase e baixos níveis de fósforo disponível e proteína bruta

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Foram utilizados 504 pintos de linhagem comercial (Ag Ross 308) para frangos de corte de um dia de idade, distribuídos em 12 tratamentos com seis repetições. O delineamento experimental utilizado foi de blocos ao acaso em esquema fatorial 2x2x3, com dois
A.C.N. Vaz   +4 more
doaj   +1 more source

Enzyme kinetics, structural analysis and molecular modeling studies on a series of Schistosoma mansoni PNP inhibitors [PDF]

open access: yes, 2011
The enzyme purine nucleoside phosphorylase from Schistosoma mansoni (SmPNP) is an attractive molecular target for the development of novel drugs against schistosomiasis, a neglected tropical disease that affects about 200 million people worldwide. In the
ANDRICOPULO, Adriano Defini   +6 more
core   +1 more source

Dysregulation of the actin scavenging system and inhibition of DNase activity following severe thermal injury

open access: yesBJS (British Journal of Surgery), Volume 107, Issue 4, Page 391-401, March 2020., 2020
Circulating cell‐free DNA (cfDNA) is not found in healthy subjects but is readily detected after thermal injury and may contribute to the risk of multiple organ failure. The authors hypothesized that a postburn reduction in DNase protein/enzyme activity could contribute to the increase in cfDNA after thermal injury.
R. J. Dinsdale   +16 more
wiley   +1 more source

Diferentes relações cálcio:fósforo disponíveis e fitase em dietas de poedeiras UFSM-V: desempenho produtivo, qualidade dos ovos e tecido ósseo Different calcium relations: available phosphorus and phytase in diets of UFSM-V laying hens: productive performance, egg quality and bone tissue

open access: yesCiência Rural, 2011
O estudo teve como objetivo determinar os efeitos das diferentes relações cálcio:fósforo disponíveis (Ca:Pd) e fitase em dietas à base de milho e farelo de soja sobre a qualidade dos ovos e o desempenho produtivo de poedeiras de ovos marrons.
Alexandre Pires Rosa   +4 more
doaj   +1 more source

Propriedades enzimáticas da enzima ALS de Cyperus difformis e mecanismo de resistência da espécie ao herbicida pyrazosulfuron-ethyl Enzymatic properties of Cyperus difformis ALS enzyme and mechanism resistance of the species to pyrazosulfuron-ethyl herbicide

open access: yesCiência Rural, 2010
Cyperus difformis L. é uma planta daninha ocorrente em lavouras de arroz irrigado, que tem apresentado dificuldade de controle devido à resistência a herbicidas inibidores da enzima ALS.
Taísa Dal Magro   +5 more
doaj   +1 more source

Influência da interação fósforo disponível × fitase da dieta sobre o desempenho, os níveis plasmáticos de fósforo e os parâmetros ósseos de poedeiras comerciais Available phosphorus and phytase interaction in the diet on performance, plasma phosphorus levels and bone parameters of commercial laying hens

open access: yesRevista Brasileira de Zootecnia, 2008
Dois experimentos foram realizados para avaliar a interação fósforo disponível (Pd) × fitase (UF) da dieta sobre o desempenho, os níveis plasmáticos de fósforo e os parâmetros ósseos de poedeiras.
José Humberto Vilar da Silva   +5 more
doaj   +1 more source

Activity of fungal phytases stored in two ways in response to the period of storage at room temperature Atividade de fitases fúngicas armazenadas de duas maneiras em resposta ao período de armazenamento à temperatura ambiente

open access: yesCiência Rural, 2012
Two distinct experiments were conducted simultaneously with phytases of Aspergillus oryzae and A. niger for determining enzyme activity in response to storage period (up to 180 days at room temperature - RT).
Luciana de Paula Naves   +4 more
doaj   +1 more source

Scientific opinion on the exposure of children and adolescents in the Republic of Croatia to ochratoxin A (OTA) from food

open access: yesFood Risk Assess Europe, Volume 4, Issue 1, January 2026.
Summary Ochratoxin A (OTA) is a secondary metabolite primarily produced by moulds of the genera Aspergillus and Penicillium. It is most commonly found in foods of plant origin, such as cereals, wine, coffee, spices and various types of fruits and vegetables, green tea, pistachios, figs, raisins, grapes, wine and chestnuts, as well as beer, coffee ...
Sanja Miloš   +5 more
wiley   +1 more source

Níveis séricos de enzimas de função hepática em frangos de corte de criação industrial clinicamente saudáveis Serum levels of hepatic enzyme function in clinically healthy broiler chickens

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
The values for the main hepatic enzymes included in the profiles of screen clinical biochemistry, alanine-aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (FA), lactate desidrogenase (LDH) and gamaglutamiltransferase (GGT ...
A. Borsa   +4 more
doaj   +1 more source

Amazonian Cyanobacteria as a Source of Bioactive Compounds With Antimicrobial and Cytotoxic Properties

open access: yesChemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT Cyanobacteria are photosynthetic microorganisms known for producing diverse bioactive compounds. This study explores the bioactivity of extracts and fractions from Amazonian cyanobacteria and their pigment and phenolic compound production. A fraction from Synechococcus sp. CACIAM 05 showed cytotoxicity against hCMEC/D3 and MG‐63 cells.
Samuel Cavalcante do Amaral   +8 more
wiley   +1 more source

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