Results 31 to 40 of about 58,830 (175)
Enzimas imobilizadas em crisotila e organogel: aplicação na resolução de acidos racemicos [PDF]
, 1998 Tese (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.Neste trabalho dois suportes diferentes foram avaliados para a imobilização de enzimas: o organo-gel contendo lipase de Chromobacterium viscosum (CVL), e a
Jesus, Paulo Cesar de
core
Medicina Veterinária, 2020 O objetivo do estudo foi determinar o perfil bioquímico e proteinograma do soro lácteo de cabras e vacas nos primeiros 30 dias após o parto. Foram coletadas amostras de secreção láctea de 10 cabras da raça Saanen e de 10 vacas da raça Holandesa, recém ...
Paola Fernanda Junqueira Baroza +4 more
doaj
Partial characterization of the venom of the Peruvian rattlesnake Crotalus durissus terrificus
Revista Peruana de Biología, 2014 The venom of the rattlesnake Crotalus durissus terrificus from the region of Sandia, Puno, has been investigated for its protein content and some enzymatic activities, using for it the whole venom as well as the fractions obtained by gel filtration ...
César Remuzgo +3 more
doaj +1 more source
Chemistry &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
Búsqueda de actividad inhibitoria de tripsina y elastasa en extractos de vegetales autóctonos
Innotec, 2014 Se estudió la capacidad inhibitoria para tripsina y elastasa de extractos de vegetales autóctonos: flores de Achyrocline satureioidehojas (marcela), hojas de Baccharis trimera (carqueja), frutos de Eugenia uniflora (pitanga) y frutos Schinus molle ...
Ana Laura Macció Betancurt +2 more
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Convergent losses of arbuscular mycorrhizal symbiosis in carnivorous plants
New Phytologist, Volume 248, Issue 4, Page 2040-2051, November 2025.Summary Most land plants form the ancient arbuscular mycorrhizal (AM) symbiosis, while carnivory is a younger trait that evolved in several angiosperm orders. The two biotic interactions similarly help plants acquire mineral nutrients, raising the question of whether they can coexist.
Héctor Montero +2 more
wiley +1 more source
Anais da Academia Brasileira de Ciências, 2016 Metabolic adjustments were studied in channel catfish Ictalurus punctatus exposed to 1.5 mg L-1 of phe nol (10% LC50) for four days and recovered for seven days.
Fernanda D. Moraes +5 more
doaj +1 more source
A construção histórica do conceito de enzima e sua abordagem em livros didáticos de biologia
História, Ciências, Saúde: Manguinhos, 2021 Resumo O uso de história e filosofia da ciência no ensino-aprendizagem é comumente negligenciado, linear e/ou descontextualizado nos livros didáticos. Isso aconteceria com a história do conceito de enzimas?
Paulo Newton Tonolli +2 more
doaj +1 more source
Food Risk Assess Europe, Volume 3, Issue 4, October 2025.Summary Delta‐9‐tetrahydrocannabinol (Δ9‐THC) is a naturally occurring psychoactive compound derived from the hemp plant Cannabis sativa. In 2015, EFSA established an acute reference dose (ARfD) of 1 μg/kg body weight (bw) for Δ9‐THC and assessed acute dietary exposure from milk and dairy products.
Danijela Stražanac +9 more
wiley +1 more source
Food Risk Assess Europe, Volume 3, Issue 4, October 2025.Summary Cannabis sativa L. is one of the oldest cultivated plants on the planet. It was initially used by humans as a source of roughage for animals and as a textile fiber; over time, it has been used as a source of food and medicine. The plant contains bioactive compounds called cannabinoids. The best‐known cannabinoids occurring in Cannabis sativa L.
Martina Jurković +2 more
wiley +1 more source