Results 31 to 40 of about 129,048 (168)
Journal of Fish Biology, EarlyView.Abstract Ginglymostoma cirratum, commonly known as the nurse shark, is a nocturnally active benthic shark, often found in western and eastern Atlantic waters. Although this shark has been well explored in many biological aspects, few studies have thoroughly examined the morphology of its dermal denticles (or placoid scales).
Danilo P. Lima +7 more
wiley +1 more source
Molecular Evaluation of exons 8 and 22 of the SHANK3 gene in Autism Spectrum Disorders [PDF]
, 2010 Autism spectrum disorders are a group of neurodevelopmental disorders with a complex and heterogeneous etiology. Studies have shown that genetic factors play an important role in the aetiology of these diseases.
A Barbosa-Gonç +5 more
core +1 more source
Avaliação da sinérese em geléia de abacaxi por meio de análise uni e multivariada. [PDF]
, 2015 A avaliação da geléia de abacaxi visa analisar a ocorrência de sinérese através da análise uni e multivariada. A geléia de abacaxi apresenta baixo teor de pectina, portanto, adicionou-se pectinas de alta metoxilação nas seguintes concentrações 0,50%; 0 ...
AQUINO, A. D. de +3 more
core +1 more source
Journal of Fish Biology, EarlyView.Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro +2 more
wiley +1 more source
Experiências em geometria no laboratório de ensino [PDF]
, 2007 O Departamento de Matemática da Universidade de Brasília vem desenvolvendo ações significativas na formação de professores nos diversos níveis, tais como PRÓ-CIÊNCIAS 2000 (financiado pela CAPES / FAPDF), DESENVOLVIMENTO E MODERNIZAÇÃO DO ENSINO EM ...
Redolfi, Ana Maria +2 more
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Composição química e variação sazonal dos óleos voláteis das folhas de Michelia champaca L., Magnoliaceae [PDF]
, 2009 The volatile oils from leaves of Michelia champaca L. collected bimonthly during one year (four times on the fifteenth day of January, March, May, July, September, and November - 2004) were subjected to GC/FID and GC-MS analysis, from which thirteen ...
Fávero, Oriana Aparecida +2 more
core +1 more source
The Anatomical Record, Volume 309, Issue 6, Page 1451-1463, June 2026.Abstract Notosuchians were key components of western Gondwanan Cretaceous ecosystems in terrestrial predator niches and exhibited remarkable taxonomic and ecological diversity. Previous research has explored their physiology, metabolism, and histology, revealing varied growth patterns and life history strategies.
Tito Aureliano +5 more
wiley +1 more source
, 2013 Antes de desenvolver o tema ―Criar ciência‖, propriamente dito, sinto a necessidade de definir alguns termos e de enquadrar alguns conceitos. Em primeiro lugar, este capítulo dedica-se às Ciências ditas Exatas e Naturais, sejam elas de caráter ...
Veiga-Pires, C.
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New Zealand Journal of Zoology, Volume 53, Issue 2, June 2026.The study of Neotropical Apicotermitinae remains challenging due to the large number of undescribed taxa (Linnean shortfall) as well as the scarcity of distributional data (Wallacean shortfall). Despite recent efforts to reduce the first one, the second remains an even more significant challenge.
Camila C. Mellado +10 more
wiley +1 more source
Chemistry &Biodiversity, Volume 23, Issue 5, May 2026.Manganese porphyrin catalyst enables green PhI(OAc)2 oxidation of lupeol in ethyl acetate, achieving 94% conversion and the formation of eight products, including selective C20 olefin transformations and one‐pot conversion of the isopropenyl group to carboxylic acids, all without the need of C3‐OH protection step.
Leila Renan Oliveira +5 more
wiley +1 more source