Teste in vitro de citotoxicidade: estudo comparativo entre duas metodologias

SO Rogero, AB Lugão, TI Ikeda, ÁS Cruz - Materials Research, 2003 - SciELO Brasil
A avaliação in vitro da biocompatibilidade de diferentes tipos de biomateriais foi realizada
pelo teste de citotoxicidade em cultivo de células de tecido conectivo de camundongos …

Synthesis of a soluble pyrrole copolymer with phenetidine

XG Li, RF Chen, MR Huang, MF Zhu… - Journal of Polymer …, 2004 - Wiley Online Library
A new series of copolymers was synthesized through the oxidative polymerization of pyrrole
(PY) and o‐phenetidine (PHT) with inorganic oxidants in acidic media. The polymerization …

Polyphosphate gel/methyl orange supramolecular composites

A Galembeck, SBC Silva, JAP Silva, J Del Nero - Optical Materials, 2004 - Elsevier
The aims of this work were to investigate theoretically the optical properties of methyl orange
(MO) and the synthesis of new supramolecular composites based on the incorporation of …

Modulation of electronic properties in neutral and oxidized oligothiophenes substituted with conjugated polyaromatic hydrocarbons

TM Clarke, KC Gordon, P Wagner… - The Journal of Physical …, 2007 - ACS Publications
The structural and electronic properties of neutral and oxidized terthiophenes substituted
with polyaromatic systems have been investigated using a combination of both Raman and …

A new class of push–pull molecules for molecular electronics

A Saraiva-Souza, CP de Melo, P Peixoto, J Del Nero - Optical Materials, 2007 - Elsevier
In this work, we have found that large conjugated pyridinium betaines, molecules composed
by a donor (D) and acceptor (A) pair connected through a long conjugated chain, exhibit an …

Properties of charged defects on unidimensional polymers

JFP Leal, SJS Da Silva, ER Granhen… - Journal of …, 2011 - ingentaconnect.com
In this work is presented a theoretical investigation of the neutral and bipolaronlike ground
and excited states of molecules and polymers isoelectronic composed by Polyacetylene …

Quantum chemistry calculation of resveratrol and related stilbenes

J Del Nero, CP De Melo - Optical Materials, 2003 - Elsevier
We report a semiempirical investigation of the first excited states and of the spectroscopic
properties of resveratrol, a phytoalexin with well-known antioxidative properties, and of …

Electronic structure and optical spectroscopy of conducting electrochromic devices

J Del Nero, B Laks - Molecular modeling annual, 2001 - Springer
Interest in conductive organic polymers has considerably increased since the discovery in
1977 of the doped molecule polyacetylene. Recently, polymers of dithienopyrrole (DP) …

Investigation of the excited states of resveratrol and related molecules

J Del Nero, CP De Melo - International journal of quantum …, 2003 - Wiley Online Library
Resveratrol, a natural product derived from grapes, is a phytoalexin with antioxidative
activity. In this work we present initial results of an ongoing study of the geometry of the …

Theoretical modelling of low band-gap organic oligomers

JG Amazonas, JR Guimarães, SCS Costa… - Journal of Molecular …, 2006 - Elsevier
Two low band-gap polymers (gap energy∼ 1eV) based on carbon-bridged dithienyl
monomers have been investigated by density functional theory (B3LYP/6-31G) and …