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1.
Eur J Paediatr Dent ; 11(1): 27-30, 2010 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-20359278

RESUMO

AIM: The aim of this qualitative study was to investigate the perceptions of a group of mothers of children and adolescents with Down syndrome (DS) concerning the overall health and oral health of their children. METHODS: The information was collected interviewing in depth 19 mothers using an open-ended orientation form. To investigate the perceptions of the mothers was carried out a thematic content analysis. Two general themes were addressed: mothers' perceptions concerning the health of the child with DS and mothers' opinion on the impact of oral health on the life of the child with DS. RESULTS: According to the interviews, for the mothers, overall health and oral health entail specificities associated mainly with the absence of illness, the performance of daily activities, and feelings of well-being. Mothers tended to hold themselves accountable for their children's health status. Within the situations these women experience, many of the interviewees reported difficulties in caring for their children's oral health. CONCLUSION: Factors linked to financial constraints, time, and access to healthcare referral services hamper the search for specialised dental care for individuals with special needs.


Assuntos
Atitude Frente a Saúde , Síndrome de Down/psicologia , Mães/psicologia , Saúde Bucal , Atividades Cotidianas , Adolescente , Adulto , Criança , Pré-Escolar , Assistência Odontológica para a Pessoa com Deficiência , Escolaridade , Feminino , Acessibilidade aos Serviços de Saúde , Nível de Saúde , Humanos , Relações Interpessoais , Entrevistas como Assunto , Masculino , Relações Mãe-Filho , Higiene Bucal , Qualidade de Vida , Classe Social
2.
Genet Mol Res ; 8(3): 963-75, 2009 Aug 11.
Artigo em Inglês | MEDLINE | ID: mdl-19731197

RESUMO

Cocona (Solanum sessiliflorum Dunal) is a solanaceous shrub native to the Amazon region that produces an edible fruit. This species has numerous advantages, particularly a high nutritional value and productivity. However, due to irregular germination and rapid loss of seed viability, there are few plantations for production on a large scale. Development of alternative propagation strategies is essential for the production of homogeneous seedlings of genotypes with superior agronomic performance. We developed techniques for in vitro regeneration of the cocona varieties Santa Luzia and Thaís for large-scale production of healthy plantlets. Twenty days after seeding, seedling segments germinated in vitro were used as explant sources. Three successive experiments were performed: one to test the effect of the explant source and combinations of two growth regulators, auxin (indole acetic acid, IAA) and kinetin (KIN), on the morphogenetic response; another to investigate the effect of the combination of growth regulators on the morphogenetic response of hypocotyl segments, and another to evaluate how sucrose concentration affects the development of adventitious shoots. The best shoot induction was obtained using hypocotyl segments and stem apices, while rhizogenesis was greatest in leaves with a petiole. The number of adventitious shoots per explant on hypocotyl segments increased with 10 and 20 mg/L KIN, combined with 0.02 mg/L IAA in the variety Santa Luzia. Sucrose combined with these growth regulator levels increased the average number of calli; these were optimally produced when 45 g/L sucrose and 0.01 mg/L IAA + 20 mg/L KIN were applied. Only sucrose concentration influenced shoot proliferation in the two S. sessiliflorum varieties, with a maximum at 17.5 g/L.


Assuntos
Agricultura/economia , Regeneração/fisiologia , Solanum/crescimento & desenvolvimento , Técnicas de Cultura de Tecidos/métodos , Meios de Cultura , Flores/efeitos dos fármacos , Flores/crescimento & desenvolvimento , Ácidos Indolacéticos/farmacologia , Cinetina/farmacologia , Morfogênese/efeitos dos fármacos , Brotos de Planta/efeitos dos fármacos , Brotos de Planta/crescimento & desenvolvimento , Caules de Planta/efeitos dos fármacos , Caules de Planta/crescimento & desenvolvimento , Regeneração/efeitos dos fármacos , Solanum/efeitos dos fármacos , Sacarose/farmacologia
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