Airborne contamination associated with in-use airoidized beds: A descriptive study

1987 ◽  
Vol 15 (2) ◽  
pp. 75-78 ◽  
Author(s):  
Elizabeth A. Bolyard ◽  
Timothy R. Townsend ◽  
Teresa Horan
2021 ◽  
Vol 1 (1) ◽  
pp. 2-15
Author(s):  
Samuel Jônatas de Castro Lopes

Introdução: a nanotecnologia vem propiciando uma revolução tecnológica na engenharia mundial. Dentre os nanomateriais mais utilizados, os nanotubos de carbono (NTC) se destacam por suas diversas propriedades excelentes e específicas. Entretanto, as implicações a saúde de usuários que manipulam os nanotubos de carbono estão longe de serem compreendidas e cercadas de incertezas. Métodos: estudo exploratório-descritivo, baseado em uma breve contextualização acerca dos nanotubos de carbono e da nanotoxicologia, em busca de compreender as principais características morfológicas deste material, e os principais danos causados à saúde dos trabalhadores. Objetivo: propor um procedimento de segurança para manuseio de nanomateriais em laboratórios. Resultados: os laboratórios que manipulam esse tipo de tecnologia devem ser dotados de instalações específicas e possuir procedimentos operacionais que busquem controlar a exposição e a contaminação aerotransportada. Conclusão: a compatibilização da cadeia comercial e a segurança do trabalho devem ser consideradas para nanomateriais, ou seja, o diálogo entre fabricante, fornecedor, usuário final e profissionais de saúde e segurança do trabalho (SST) é de suma importância para o desenvolvimento da nanotecnologia segura.   Introduction: nanotechnology has led to a technological revolution in world engineering. Among the most used nanomaterials, carbon nanotubes (CNT) stand out for their excellent and specific properties. However, the health impacts of users who manipulate carbon nanotubes are far from being understood and surrounded by uncertainties. Methods: exploratory-descriptive study based on a brief contextualization about carbon nanotubes and nanotoxicology, in an attempt to understand the main morphological characteristics of this material, and the main damages caused to workers' health. Objective: a safety procedure for handling nanomaterials in laboratories was proposed. Results: Laboratories that handle this type of technology must be equipped with specific facilities and have operational procedures that seek to control exposure and airborne contamination. Conclusion: the compatibility of the commercial chain and work safety must be considered for nanomaterials, that is, the dialogue between manufacturer, supplier, end user and and occupational health and safety professionals is of paramount importance for the development of safe nanotechnology.


2010 ◽  
Vol 20 (2) ◽  
pp. 42-50 ◽  
Author(s):  
Laura W. Plexico ◽  
Julie E. Cleary ◽  
Ashlynn McAlpine ◽  
Allison M. Plumb

This descriptive study evaluates the speech disfluencies of 8 verbal children between 3 and 5 years of age with autism spectrum disorders (ASD). Speech samples were collected for each child during standardized interactions. Percentage and types of disfluencies observed during speech samples are discussed. Although they did not have a clinical diagnosis of stuttering, all of the young children with ASD in this study produced disfluencies. In addition to stuttering-like disfluencies and other typical disfluencies, the children with ASD also produced atypical disfluencies, which usually are not observed in children with typically developing speech or developmental stuttering. (Yairi & Ambrose, 2005).


2006 ◽  
Vol 5 (1) ◽  
pp. 158-159
Author(s):  
J GUILLAMONT ◽  
A SOLE ◽  
S GONZALEZ ◽  
A PEREZITURRIAGA ◽  
C DAVILA ◽  
...  

2006 ◽  
Author(s):  
Ilyssa E. Hollander ◽  
Nicole S. Bell ◽  
Margaret Phillips ◽  
Paul J. Amoroso ◽  
Les MacFarling

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