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- Publications
- Influence
Análise térmica diferencial e calorimetria exploratória diferencial
- L.D.B. Machado, J. R. Matos
- Chemistry
- 2004
- 18
- 3
Biocompatibility study for PVP wound dressing obtained in different conditions
- O. Higa, S. Rogero, L.D.B. Machado, M. B. Mathor, A. Lugao
- Materials Science
- 1 August 1999
Hydrogels composed of PVP, PEG and agar, produced by simultaneous crosslinking and package sterilization by ionizing radiation, are used mainly as wound dressing. In this study, membranes prepared in… Expand
Influence of gamma radiation on properties of common Brazilian wood species used in artwork
- L. C. Severiano, Francisco Antonio Rocco Lahr, M. A. G. Bardi, A. C. Santos, L.D.B. Machado
- Environmental Science
- 1 November 2010
Woods, as other materials, are susceptible to alterations in their internal structure because of physical, chemical or biological agents. Wood can be considered a natural composite with high strength… Expand
Study of wound dressing structure and hydration/dehydration properties
- A. Lugao, L.D.B. Machado, L. F. Miranda, M. Álvarez, J. Rosiak
- Chemistry
- 1 June 1998
Hydrogels manufactured by radio-induced crosslinking and simultaneous sterilisation of hydrogels of PVP, PEG and agar, according to the Rosiak method, have many desirable properties for using as… Expand
Gamma radiation effect on structural properties of PLLA/PCL blends
- Y. Kodama, L.D.B. Machado, C. Giovedi, K. Nakayama
- Materials Science
- 1 December 2007
Abstract Poly(L-lactic acid) (PLLA) and poly(e-caprolactone) (PCL) extruded homopolymers and PLLA/PCL blends films were irradiated with gamma rays from Co-60 at doses in the range of 25–500 kGy to… Expand
A new resin for photocurable electrical insulating varnishes
- J. U. Jansen, L.D.B. Machado
- Materials Science
- 1 July 2005
Abstract A new polyester resin for photocurable electrical insulating coatings was synthesized. The resin was diluted in hexanediol diacrylate (HDDA) monomer.… Expand
Electron beam accelerators—trends in radiation processing technology for industrial and environmental applications in Latin America and the Caribbean
- W. A. P. Calvo, C. L. Duarte, +8 authors P. Rela
- Materials Science
- 1 August 2012
Abstract The radiation processing technology for industrial and environmental applications has been developed and used worldwide. In Latin America and the Caribbean and particularly in Brazil there… Expand
Crosslinking and degradation of PVP hydrogels as a function of dose and PVP concentration
- L. F. Miranda, A. Lugao, L.D.B. Machado, L. Ramanathan
- Chemistry
- 1 August 1999
Abstract Swelling was performed on dried membranes, normal ones and dried gel to unravel the role of crosslinking and degradation on polymeric structure during drying and hydration process. The… Expand
Investigation of irradiated biodegradable blends by FTIR and wide-angle X-ray diffraction
- Y. Kodama, L.D.B. Machado, C. Giovedi, N. Lima, K. Nakayama
- Chemistry
- 2009
In the present work, twin screw extruded films of PLLA and PCL biodegradable homopolymers and 50:50 (w:w) blend were irradiated with gamma rays from Co-60 and electron beam at doses in the range of… Expand
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Improvement of carbon fiber surface properties using electron beam irradiation
- E. Pino, L.D.B. Machado, C. Giovedi
- Materials Science
- 1 February 2007
Abstract Carbon fiber-reinforced advance composites have been used for structural applications, mainly on account of their mechanical properties. The main factor for a good mechanical performance of… Expand