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Gémeas homozigóticas com escolioses “em espelho”

Estudos populacionais recentes caracterizam a escoliose idiopática como uma doença relacionada com um único gene, seguindo o padrão da genética mendeliana, incluindo penetrância e heterogeneidade variada. Outros factores foram considerados: aumento da melatonina e diminuição da calmodulina, alterações do tecido conjuntivo, predisposição neurofisiológica. Apresentam-se duas gémeas homozigóticas adolescentes, com...

Enxertos e substitutos ósseos em cirurgia ortopédica reconstrutiva nos animais ...

We present here an overview of the scientific literature concerning the clinical application of autografts and allografts of the skeletal tissues and of the natural and synthetic bone graft substitutes available in small animal orthopedic surgery for resolution of congenital, traumatic and tumoral etiology situations or for reconstructive artroplastic surgeries. This article focuses the terminology, definitions...

Synthesis of (2'r,4a'r,8a's)-8'-(Benzylamino)-2'-Phenyldihydro-4'h-Spiro[Diazir...

Enantiospecific 1,3-Dipolar Cycloadditions between Azadienophiles and 2-Phenyl-...

Antimicrobial activity of propolis nanoparticles against some common meat conta...

Raw meat is a highly perishable product that requires a great amount of care, from its handling to the conservation conditions at low temperatures. The reduction of microbial proliferation in meat is necessary to achieve an increase of shelf life, food safety, while maintaining product features. For this reason, a technology based on natural antimicrobial agent may offer a potential alternative to protect and ...

Redes sociais e empreendedorismo em biotecnologia. O processo de aglomeração em...

Este artigo aborda a aglomeração de novas empresas de biotecnologia em torno de núcleos de produção de conhecimento, centrando-se no papel das redes sociais no acesso ao conhecimento científico e tecnológico. A abordagem toma em consideração o impacto de várias formas de proximidade – geográfica, social, cognitiva e organizacional – no desenvolvimento de relações chave e na sua utiliza-ção para obter conhecimen...

A psychometric validation study of the positivity self-test in Portuguese organ...

The aim of this study was to assess the psychometric validation of the Positivity Self-Test (PS-T, Fredrickson 2009) in Portuguese organizational context with a total of 629 participants. The Broaden-and- Build Theory considers Positive Emotions as markers of flourishing, of optimal well-being (Fredrickson, 1998, 2001). The ratio of positivity based in PS-T, allows us to know how much persons experience positiv...

Temporal dynamics of pain smile

In temporal dynamics of facial expressions it has been suggested that fake and genuine expressions may be distinguished mostly through differences in their temporal pattern. Smiles with onsets and offsets longer and apex of brief duration are considered genuine smiles. Smiles with onsets and offsets more briefer and long apex duration are considered faked smiles. Using video recordings of facial pain expression...

Pain elicited by the Cold Pressor Test: A gender-comparative FACS coding study ...

Evolutionary theories of pain have conjectured a better ability of males to control their facial expressions of pain, and of females to express and communicate emotions through the face. The present study involved 24 participants (12 men; 12 women). Pain was induced via the Cold Pressor Test (CPT), and three expressive contexts (spontaneous, faked an inhibited) were created through instructions. Elicited pain e...

Smile types, empathy and perceptions of social interaction

Smiles have been related to affective states (either positive or negative) and to communicative and interactive processes. The present study aims to evaluate the perception of 16 types of smiles as regards empathy and potential for social interaction, with a view at establishing the meaning accorded by decoders to differently FACS coded smiles. A smile data base collected in a clinical context was FACS coded an...