Results 41 to 50 of about 204,168 (288)

Evaluation of Brazilian medical devices using agar diffusion cytotoxicity assay Avaliação de dispositivos médicos brasileiros utilizando o ensaio de citotoxicidade pela difusão em ágar

open access: yesRevista Brasileira de Hematologia e Hemoterapia, 2009
Over the last decades, governmental actions and mechanisms created to protect consumer rights have been linked to a growing effort to guarantee the quality and reliability of products.
Mirian N. P. Vidal   +3 more
doaj   +1 more source

Alergia ao látex [PDF]

open access: yesRevista Brasileira de Anestesiologia, 2003
JUSTIFICATIVA E OBJETIVOS: O látex, (cis 1,4 polyisoprene) está muito presente no dia-a-dia do anestesiologista. Os primeiros relatos de alergia ao látex datam de 1933. A sensibilidade ao látex na população de anestesiologistas é de 12,5% a 15,8%.
Jorge Barrios Allarcon   +3 more
doaj   +1 more source

Producción de látex híbridos acrílicos/alquídicos [PDF]

open access: yes, 2009
In this work, the production of high solids content hybrid acrylic/alkyd latexes by miniemulsion polymerization is discussed. First, the miniemulsification procedure to achieve colloidally stable hybrid nanodroplets is presented.
Asua, José M.   +5 more
core  

Smart Catheters for Diagnosis, Monitoring, and Therapy

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman   +12 more
wiley   +1 more source

Avaliação de clones de borracha natural crua por ensaios padrão e análise dinâmico-mecânica Evaluation of clones of the raw natural rubber by standard test and dynamic mechanical properties

open access: yesPolímeros, 2006
A qualidade do látex de borracha natural (Hevea brasiliensis) de diferentes clones (RRIM 600, IAN 873, GT 1, PB 235), uma mistura destes clones e uma borracha comercial foi avaliada por ensaios padrões (plasticidade Wallace, PRI, viscosidade Mooney, % de
Ana C. Dall'Antonia   +6 more
doaj   +1 more source

Recyclable and Binder‐Free EGaIn–Carbon Liquid Metal Composite: A Sustainable Approach for High‐Performance Stretchable Electronics, Thermal‐Interfacing and EMI‐Shielding

open access: yesAdvanced Materials Technologies, EarlyView.
Binder‐free EGaIn–CB composite deliver printable, recyclable liquid‐metal conductors without sintering or polymer binders. Only 1.5 wt% CB yields shear‐thinning, high‐viscosity rheology, ∼60% bulk EGaIn conductivity, robust stretchability, high thermal conductivity, and strong EMI shielding (35 → 70 dB at 100% strain).
Elahe Parvini   +4 more
wiley   +1 more source

Desenvolvimento de látices nitrílicos carboxilados Development of carboxylated nitrile latices

open access: yesPolímeros, 2008
É apresentando um estudo sobre o desenvolvimento de um processo de polimerização em emulsão de acrilonitrila, butadieno e ácido carboxílico, em escala piloto.
Ana Luzia O. Macedo   +1 more
doaj   +1 more source

Alergia al látex: opciones terapéuticas

open access: yesRevista Alergia México, 2022
La alergia al látex es un problema importante en el mundo debido a la gravedad de la sintomatología que produce y a los grupos de riesgo expuestos. La evitación completa es difícil, casi imposible, dada su ubicuidad.
Claudia Elizabeth Jiménez-Carrillo   +4 more
doaj   +1 more source

Low‐Strain Flexible Ink‐Based Sensors Enable Hyperelastic Inflation Perception Via Geometric Patterning for Balloon‐Type Robots

open access: yesAdvanced Robotics Research, EarlyView.
Integrating proprioceptive capabilities in balloon‐type robots enhances safe human–machine interactions. Traditional pressure estimates are inadequate due to nonlinear relationships. Instead, embedding stretchable sensors effectively measures deformation. This design optimizes sensor geometry to minimize damage risks.
Wenchao Yue   +6 more
wiley   +1 more source

Ulama: pasado, presente y futuro del juego de pelota mesoamericano

open access: yesAnales de Antropología, 2015
El juego de pelota mesoamericano tiene una historia de aproximadamente 3 500 años. Esta práctica era parte integral de la sociedad como lo atestiguan las cerca de 2 000 canchas que se han encontrado en el territorio que se extiende entre el suroeste de ...
Manuel Aguilar Moreno
doaj   +1 more source

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