RSS 1.0Departamento de Física
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Temperature and Electric Field Influence on the Electrical Properties of Light-Emitting Devices Comprising PEDOT:PSS/GPTMS/Zn2SIO4:Mn Composites
Feres, Flavio H.
; Santos, Lucas Fugikawa ; Gozzi, Giovani (MRS Advances, 2018) [Trabalho apresentado em evento]
In the present study, we analyze the influence of temperature and active layer thickness on the electrical properties of electroluminescent devices comprising a polymeric conductive blend (poly(3,4 ethylenedioxythiophene ... -
Cross-linked PEDOT: PSS as an alternative for low-cost solution-processed electronic devices
Colucci, Renan; Quadros, Matheus Henrique ; Feres, Flávio Henrique ; ; de Vicente, Fábio Simões ; ; Santos, Lucas Fugikawa ; Gozzi, Giovani (Synthetic Metals, 2018) [Artigo]
A number of solution-processed electronic materials have been developed for application in printed devices, which are normally built by piling up several coated layers one on the top of the other. To achieve low-cost and ... -
Influence of spray-pyrolysis deposition parameters on the electrical properties of aluminium zinc oxides thin films
Martins, Denis E.; Gozzi, Giovani ; Santos, Lucas Fugikawa (MRS Advances, 2018) [Trabalho apresentado em evento]
In the current work, we evaluate the influence of the processing parameters on the electrical properties of aluminium zinc oxide (AZO) thin films produced by airbrush spray-pyrolysis deposition technique. Spray-deposited ... -
Ground-state energy for confined H2: a variational approach
Batael, Hugo de Oliveira; Drigo Filho, Elso (Theoretical Chemistry Accounts, 2018) [Artigo]
Ground-state energies for confined H2 molecule are computed using the variational method. The approach proposed here uses a molecular wave function of the valence bond type, written as the sum of the covalent term and the ... -
Mobile breathers in a Nonlinear model for DNA breathing
; Filho, Elso Drigo; Ruggiero, José Roberto ; (Ecletica Quimica, 2017) [Artigo]
Objectives. Analyze the DNA dynamics in PeyrardBishop-Dauxois model (PBD) with different control parameters using its energy center of the mobile breather. Materials and methods. We used the Peyrard-Bishop-Dauxois mathematical ... -
Thermodynamics of DNA with hump Morse potential
; Filho, Elso Drigo; Ruggiero, José R. ; ; (Ecletica Quimica, 2016) [Artigo]
The thermal denaturation of DNA, i.e. the separation of the two strands is a phenomenon caused by the amplitude of the vibrations of the bases, therefore it is necessary to know how such separation is generated in order ... -
Optimization of the Electrical Performance of Metal Oxide Thin-film Transistors by varying Spray Deposition Parameters
De Lima, Guilherme R.; Braga, João Paulo ; Gozzi, Giovani ; Santos, Lucas Fugikawa (MRS Advances, 2018) [Trabalho apresentado em evento]
Metal oxides like zinc oxide (ZnO) are promising materials for the active layer of thin-film transistors (TFTs) used in the drive circuit of next-generation large-area active matrix displays due to their high electronic ... -
Synthesis of Transparent Semiconducting Metal-oxides via Polymeric Precursor Route for Application in Thin-film Field-Effect Transistors
Amorim, Cleber A.; Gozzi, Giovani ; Chinaglia, Dante L. ; Dos Santos, Francisco José ; Santos, Lucas Fugikawa (MRS Advances, 2016) [Trabalho apresentado em evento]
Solution-processed zinc oxide (ZnO) thin-film transistors (TFTs) obtained via hydrolysis/pyrolysis of an organic precursor present an excellent technique to obtain high performance electronic devices with low manufacturing ... -
Strategies for exploring electrostatic and nonelectrostatic contributions to the interaction of helical antimicrobial peptides with model membranes
Alvares, D. S.; dos Santos Cabrera, M. P. ; Ruggiero Neto, J. (Advances in Biomembranes and Lipid Self-Assembly, 2016) [Artigo]
Linear antimicrobial peptides, short sequences up to 50 amino acids, rich in basic and hydrophobic residues, are able to form an amphipathic helix when adsorbed onto lipid membranes. Thanks to these characteristics they ... -
Potential Implications for Designing Drugs Against the Brown Spider Venom Phospholipase-D
; de Moraes, F�bio Rog�rio; Caruso, �caro Putinhon ; ; ; Ullah, Anwar ; da Silva, Luciane Sussuchi ; Chahine, Jorge ; Arni, Raghuvir K. ; (Journal of Cellular Biochemistry, 2017) [Artigo]
Loxoscelism refers to the clinical symptoms that develop after brown spider bites. Brown spider venoms contain several phospholipase-D isoforms, which are the main toxins responsible for both the cutaneous and systemic ... -
Approximate solution for Fokker-Planck equation
Araujo, M. T.; Drigo Filho, E. (Condensed Matter Physics, 2015) [Artigo]
In this paper, an approximate solution to a specific class of the Fokker-Planck equation is proposed. The solution is based on the relationship between the Schrödinger type equation with a partially confining and symmetrical ... -
Thermal intermittent drying of apples and its effects on energy consumption
(Drying Technology, 2018) [Artigo]This study investigated thermal intermittence in apple drying, conducted in two stages, and its effect on energy consumption, drying kinetics, color and chlorogenic acid retention. The energy consumption was measured using ... -
Chitosan derivatives targeting lipid bilayers: Synthesis, biological activity and interaction with model membranes
(Carbohydrate Polymers, 2017) [Artigo]The antimicrobial activity of chitosan and derivatives to human and plant pathogens represents a high-valued prospective market. Presently, two low molecular weight derivatives, endowed with hydrophobic and cationic character ... -
Modeling and molecular dynamics indicate that snake venom phospholipase B-like enzymes are Ntn-hydrolases
Coronado, Mônika Aparecida; da Silva Olivier, Danilo ; Eberle, Raphael Josef ; ; Arni, Raghuvir Krishnaswamy (Toxicon, 2018) [Resenha]
Phospholipase-B-like (SVPLB-like) enzymes are present in relatively small amounts in a number of venoms, however, their biological function and mechanisms of action are un-clear. A three-dimensional model of the SVPLB-like ... -
Diethylaminoethyl- chitosan as an efficient carrier for siRNA delivery: Improving the condensation process and the nanoparticles properties
de Souza, Ricchard Hallan Felix Viegas; Picola, Isadora Pfeifer Dalla ; ; Petrônio, Maicon Segalla ; ; ; Lima, Aline Margarete Furuyama ; Martins, Grazieli Olinda ; Martinez Junior, André Miguel ; de Oliveira Tiera, Vera Aparecida et al. (International Journal of Biological Macromolecules, 2018) [Artigo]
Chitosan has been indicated as a promising carrier for the preparation of small interfering RNA (siRNA) delivery systems due to its remarkable properties. However, its weak interactions with siRNA molecules makes the ... -
Cholesterol modulates curcumin partitioning and membrane effects
Leite, Natália B.; Martins, Danúbia B. ; Fazani, Vinicius E. ; Vieira, Maira R. ; dos Santos Cabrera, Marcia P. (Biochimica et Biophysica Acta - Biomembranes, 2018) [Artigo]
Curcumin, a polyphenol molecule, presents a wide range of biological activities as antioxidant, anticancer, anti-inflammatory, antimicrobial and wound healing. Although some strengths attributed to curcumin derive from ... -
Inhibition of thioredoxin A1 from Corynebacterium pseudotuberculosis by polyanions and flavonoids
Eberle, Raphael J.; Kawai, Liege A. ; de Moraes, Fabio R. ; Olivier, Danilo ; ; ; Arni, Raghuvir K. ; Coronado, Monika A. (International Journal of Biological Macromolecules, 2018) [Artigo]
In pathogens, the thioredoxin system forms part of the defense against oxidative stress and ensures the formation of the proper disulfide bonds to ensure protein function. In Corynebacterium pseudotuberculosis, the role ... -
Adhesion of like-charged lipid vesicles induced by rod-like counterions
; Souza, Tereza Pereira De; (Soft Matter, 2018) [Artigo]
Adhesion of electrically charged lipid vesicles and subsequent formation of multi-vesicle aggregates can be induced by multivalent rod-like counterions. Motivated by recent experimental observations we calculate the ... -
Insights on the antifungal activity of amphiphilic derivatives of diethylaminoethyl chitosan against Aspergillus flavus
Dias, Amanda Manchini; dos Santos Cabrera, Marcia Perez ; Lima, Aline Margarete Furuyama ; Taboga, Sebastião Roberto ; Vilamaior, Patricia Simone Leite ; Tiera, Marcio José ; de Oliveira Tiera, Vera Aparecida (Carbohydrate Polymers, 2018) [Artigo]
In this study, the antifungal activity of chitosan derivatives against A. flavus was studied to understand the contribution of the molecular mass (Mw) and of the hydrophobic and electrostatic forces to the inhibition of ... -
Investigation on the interaction between nanocarriers and functional compounds of flavonoids
Caruso, I. P.; Vilegas, W. ; Souza, F. P. ; Fossey, M. A. ; Cornélio, M. L. (Acta Horticulturae, 2018) [Artigo]
Studies have suggested that a diet rich in functional foods containing flavonoids provides benefits to human health for anti-inflammatory, antioxidant, antibacterial, and anticancer activities. These compounds are usually ...