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Tribocorrosion behaviour of anodic treated titanium surfaces intended for dental implants
(2013-10-09)
Tribocorrosion plays an important role in the lifetime of metallic implants. Once implanted, biomaterials are subjected to micro-movements in aggressive biological fluids. Titanium is widely used as an implant material ...
Biologia: educação e imagensBiology: education and illustrations
(Centro de Estudos Educação e Sociedade - Cedes, 2004)
Accidents with biological material: an approach based on the analysis of work activities
(Univ Sao Paulo, Fac Saude Publica, 2015-10-01)
The present qualitative study was carried out in a university hospital, with the purpose of analyzing the work of nursing assistants and technicians, the numerous category among health profess als and more prone to accidents ...
Analysis of biological tissues in infant chest for the development of an equivalent radiographic phantom
(Amer Assoc Physicists Medicine Amer Inst Physics, 2012-03-01)
Purpose: The main purpose of the present study was to determine the amounts of different tissues in the chest of the newborn patient (age <= 1 year), with the aim of developing a homogeneous phantom chest equivalent. This ...
Biological substrates: Green alternatives in trace elemental preconcentration and speciation analysis
(Elsevier, 2016-06)
Biological substrates have been introduced in Analytical Chemistry to encourage the development of environment-friendly methodologies. This kind of substrates offers advantages such as low cost, very simple production and ...
Nanostructured materials based on mesoporous silica and mesoporous silica/apatite as osteogenic growth peptide carriers
(2013-10-01)
The aim of this work was the preparation of inorganic mesoporous materials from silica, calcium phosphate and a nonionic surfactant and to evaluate the incorporation and release of different concentrations of osteogenic ...
Optimization of substrate preparation for oyster mushroom (Pleurotus ostreatus) cultivation by studying different raw materials and substrate preparation conditions (composting: phases I and II)
(Springer, 2016-11-01)
In recent years, oyster mushroom ( Pleurotus ostreatus) has become one of the most cultivated mushrooms in the world, mainly in Brazil. Among many factors involved in a mushroom production, substrate preparation is the ...
Methods to evaluate and strategies to improve the biocompatibility of dental materials and operative techniques
(Elsevier B.V., 2014-07-01)
Objective. The general aim of this article is to describe the state-of-the-art of biocompatibility testing for dental materials, and present new strategies for improving operative dentistry techniques and the biocompatibility ...
Continuing education in structural biology for science teachers
(ElsevierAmsterdam, 2010-05)
The present paper sought to identify what perception teachers from Natural Science fields have on the use of instructional strategies that make use of models to represent biomolecules. The data presented are related to two ...