Commercial Device
Mostrando 1-12 de 99 artigos, teses e dissertações.
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1. DESENVOLVIMENTO DE ACESSÓRIO PORTÁTIL DE CONTROLE DE TEMPERATURA PARA MEDIDAS ESPECTROSCÓPICAS
Temperature is a natural phenomenon that may modify the structure of chemical compounds and hence their properties. We aimed to develop a simple portable system based on the Peltier principle for spectral characterization of compounds with temperature-dependent structure. The device was constructed and adapted to three pieces of equipment: X-ray diffractomet
Química Nova. Publicado em: 2022
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2. High-frequency devices effect in vitro: promissing approach in the treatment of acne vulgaris?
Abstract Background: Acne vulgaris is an inflammatory skin disorder leading to an impairment of quality of life and is therefore not only a cosmetic issue. Its pathogenesis is multifactorial - of particular importance is the colonization with the bacterium Propionibacterium acnes. A wide range of different treatment options exists including topical and syst
Anais Brasileiros de Dermatologia. Publicado em: 2022
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3. A new and improved electric fish finder with resources for printed circuit board fabrication
RESUMO Nós descrevemos o projeto de circuitos eletrônicos e as instrucões para a construção e uso de um detector de peixes elétricos portátil (bio-amplificador diferencial de banda-larga com acoplamento AC). Este aparelho permite a detecção e o monitoramento das descargas de órgãos elétricos gerados por peixes neotropicais da ordem Gymnotiformes
Neotrop. ichthyol.. Publicado em: 25/11/2019
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4. Desenvolvimento de sistema de baixo custo para monitoramento de integridade estrutural
RESUMO O Monitoramento da Integridade Estrutural (MIE) pode ser utilizado para avaliar as condições de integridade de uma estrutura, ou ainda para verificar modelos de comportamento da mesma. Os atuais sistemas de monitoramento aplicados em grandes estruturas, contam com inúmeros sensores, dos mais variados tipos, que formam redes de comunicação, em alg
Matéria (Rio J.). Publicado em: 25/11/2019
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5. Análisis de materiales didácticos digitales ofertados desde un portal de contenidos abiertos: el caso de Canarias
RESUMO Apresenta os resultados de análise de uma amostra dos conteúdos e materiais didáticos digitais para a Escola Primária, disponibilizados em um portal web denominado Eco Escuela 2.0, desenvolvido pela administração educacional do Governo das Ilhas Canárias, caracterizado pelo acesso e uso livre por professores. O objetivo principal é realizar a
Educ. rev.. Publicado em: 31/10/2019
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6. Sistema computadorizado para deslocamento de amostra com motor de passo utilizando o L298: aplicação na técnica de varredura-Z
Resumo Neste trabalho vamos abordar uma nova tecnologia, de baixo custo, de controle de motor de passo via computador, a qual pode ser utilizada para movimentação de amostras. Mais especificamente, desenvolvemos um sistema de controle usando o módulo eletrônico comercial L298, que evita o uso de um circuito eletrônico tradicional complexo de múltiplos
Rev. Bras. Ensino Fís.. Publicado em: 18/04/2019
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7. Releasing systems for aerospace industry based upon Shape Memory Alloys: characterization of materials for actuators
ABSTRACT Releasing and deployment maneuvers carried out during space satellites launching are usually performed by utilizing pyrotechnics loads. However, it is considered convenient to replace this technique by others not requiring explosives (Non Explosive Actuators-NEA). This is mainly due to the necessity of reducing high-shock and vibrations induced leve
Matéria (Rio J.). Publicado em: 19/07/2018
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8. Development of radiofrequency ablation device for surgical hepatocellular carcinoma treatment in agreement with Brazilian standards
Abstract Introduction Many studies have been carried out on the main causes of hepatocellular carcinoma (HCC) to identify suitable diagnosis methods and treatments to combat the disease. However, high equipment costs and the lack of hepatic-ablation technologies manufactured in Brazil encourage the design and implementation of a solution based on normative
Res. Biomed. Eng.. Publicado em: 17/05/2018
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9. Development of a low cost force platform for biomechanical parameters analysis
AbstractIntroduction: The maintenance of balance and body orientation during standing is essential to perform different activities. One of the devices used to measure balance them is the force platform. This device measures the ground reaction force (GRF) and displacement of the center of pressure (COP), both biomechanical parameters involved in human motion
Res. Biomed. Eng.. Publicado em: 12/09/2017
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10. Evaluation of disposable medical device packaging materials under ozone sterilization
Abstract Introduction Ozonization is an alternative sterilization process for heat-sensitive medical devices. However, the side effects of this process on packaging materials should be verified. Methods Four types of commercial disposable packaging for medical devices were evaluated after undergoing ozone sterilization: crepe paper sheet, non-woven fabric
Res. Biomed. Eng.. Publicado em: 2017-03
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11. Physicochemical Properties and Field Evaluation of Monolithic Wax Formulations for the Controlled Release of a Forest Pest Pheromone
This work shows the way to develop a monolithic device for the release of an active agent. Different waxes to prepare monolithic dispensers were used. Studies to characterize the release rate of the pheromone dispensers, and to determine many physicochemical properties of the active components and waxes utilized as matrices, were conducted. The advantages of
J. Braz. Chem. Soc.. Publicado em: 2017-02
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12. Efficient medical image access in diagnostic environments with limited resources
Abstract Introduction A medical application running outside the workstation environment has to deal with several constraints, such as reduced available memory and low network bandwidth. The aim of this paper is to present an approach to optimize the data flow for fast image transfer and visualization on mobile devices and remote stationary devices. Methods
Res. Biomed. Eng.. Publicado em: 12/01/2017