Results 61 to 70 of about 191,187 (265)

Analysis of the immunomodulatory properties of mycobacterium cell wall fraction on the cytokine production of peripheral blood mononuclear cells of healthy dogs

open access: yesVeterinary Dermatology, Volume 35, Issue 6, Page 595-604, December 2024.
Background – Mycobacterium cell wall fraction (MCWF) is derived from nonpathogenic Mycobacterium phlei and is used as an immunomodulatory compound in clinical practice, yet its mode‐of‐action requires further research. Objective – To evaluate the host response to MCWF in canine peripheral blood mononuclear cells (PBMCs) by using enzyme‐linked ...
Robert Ward   +9 more
wiley   +1 more source

La enzima quinasa dependiente de 5´-adenosil monofosfato (ampk): perspectivas terapéuticas [PDF]

open access: yes, 2016
En este trabajo nos centraremos en el estudio de la enzima quinasa dependiente de 5´-adenosil monofosfato (AMPK). La AMPK actúa como un sensor de energía y nutrientes y regula el balance energético.
Sánchez Junco, Diana
core  

Partition of the P excreted in the faeces and urine of growing pigs, fed with diets containing different levels of Phytase enzyme [PDF]

open access: yes, 2013
This study had as purpose to evaluate the partition of P excreted in the faeces and urine of growing pigs fed with diets containing different levels of inclusion of phytase enzyme, through the use of radioisotope P-32.).
Moreira, José Aparecido   +4 more
core   +3 more sources

Ectomycorrhizal fungi and the nitrogen economy of Nothofagus in southern Patagonia

open access: yesEcology and Evolution, Volume 14, Issue 10, October 2024.
Ectomycorrhizal fungi play essential roles in nitrogen cycling and plant nutrient uptake at high latitudes. However, they have disproportionately been studied in boreal forests dominated by evergreen conifers. We characterized ectomycorrhizal associations and the nitrogen economy of co‐occurring deciduous and evergreen angiosperms from the genus ...
Camille Truong   +4 more
wiley   +1 more source

Fitase líquida em dieta extrusada para juvenis de tilápia do Nilo (Oreochromis niloticus) - DOI: 10.4025/actascianimsci.v29i4.1016

open access: yesActa Scientiarum: Animal Sciences, 2008
Este trabalho foi realizado para avaliar a utilização de fitase líquida sobre o desempenho de juvenis de tilápia do Nilo. Foram utilizados 176 peixes com peso inicial de 45,84 ± 3,31 g, alimentados com dietas sem e com 250; 500 e 1.000 unidades de fitase
Tarcila Souza de Castro Silva   +5 more
doaj   +1 more source

Implementação de um sistema em linha para medida de concentrações de biomassa e metabolitos primários [PDF]

open access: yes, 2002
Dado os inúmeros processos industriais que tem por base istemas fermentativos, é fundamental monitorizar as concentrações de biomassa e/ou dos respectivos produtos de fermentação.
Ratão, Isabel Maria Carneiro
core  

ENZIMAS VEGETAIS: EXTRAÇÃO E APLICAÇÕES BIOTECNOLÓGICAS

open access: yesInfarma - Ciências Farmacêuticas, 2017
O artigo descreve as metodologias analíticas atuais mais utilizadas na obtenção de enzimas vegetais para aplicações biotecnológicas. São relatados os métodos de isolamento e purificação parcial, que se resumem nas técnicas cromatográficas e eletroforéticas, enfatizando a importância dessas enzimas nas pesquisas em Biotecnologia, com foco nas suas ...
Rafael Souza ANTUNES   +5 more
openaire   +2 more sources

Scientific opinion on the exposure of the adult population of the Republic of Croatia to dioxins and dioxin‐like polychlorinated biphenyls from different types of food.

open access: yesFood Risk Assess Europe, Volume 2, Issue 4, October 2024.
Summary Dioxins (PCDD/F) and dioxin‐like polychlorinated biphenyls (DL‐PCB) are harmful compounds that remain in the environment and accumulate in the food chain. Polychlorinated dibenzo‐p‐dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) are mainly by‐products of industrial processes, but can also be the result of natural processes such as ...
Andrea Gross–Bošković   +5 more
wiley   +1 more source

Validation de terrain d'un test ELISA de compétition pour la détection de la péripneumonie contagieuse des bovins au Botswana [PDF]

open access: yes, 1998
Le test ELISA de compétition, récemment décrit pour détecter la présence de la péripneumonie, a été utilisé au Laboratoire national vétérinaire du Botswana à Gaborone. L'échantillonnage de sérums a compris un nombre significatif de sérums récoltés durant
Amanfu, William   +5 more
core  

Scientific opinion on marine biotoxins in shellfish in the Republic of Croatia

open access: yesFood Risk Assess Europe, Volume 2, Issue 2, April 2024.
Summary Marine biotoxins are thermostable, mostly non‐protein molecules with different chemical components. According to solubility, they are divided into water‐soluble (hydrophilic) and fat‐soluble (lipophilic). The regulations of the EU and the Republic of Croatia regarding the maximum limits (ML) in live shellfish cover several groups: azaspiracids (
Brigita Hengl   +7 more
wiley   +1 more source

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