Results 41 to 50 of about 14,197 (199)

Antocianinas de la pitanga como fotosensibilizadores de celdas DSSC

INNOTEC, 2022
Pigments of natural origin continue to be of interest for their application as sensitizers in cells of the DSSC type. In particular, dyes from native fruits or plants are interesting considering their affordability. In this work, purified anthocyanin extracts were obtained from pitanga fruits (Eugenia Uniflora L.) and characterized by visible ...
GONZÁLEZ STEFANNO, MICAELA, ÁLVAREZ, ERIKA, SOSA, PAOLA, VÁZQUEZ, CAMILA, CERDÁ BRESCIANO, MARÍA FERNANDA   +4 more
openaire   +3 more sources

Análise estrutural de folhas de Eugenia uniflora L. (Myrtaceae) coletadas em ambientes rural e urbano, SP, Brasil Leaf anatomy of Eugenia uniflora L. (Myrtaceae) in urban and rural environments, São Paulo State, Brazil

Acta Botânica Brasílica, 2008
Objetivou-se com este estudo verificar se plantas de Eugenia uniflora que crescem na cidade de São Paulo, diferem quanto à estrutura foliar, de exemplares encontrados em área rural, isenta de poluentes aéreos urbanos.
Edenise Segala Alves, Fernanda Tresmondi, Eduardo Luiz Longui   +2 more
doaj   +1 more source

Suitability of novel galactomannans as edible coatings for tropical fruits [PDF]

, 2009
The main objective of this work was to determine the optimal composition of edible coatings in view of their application to extend the shelf life of several tropical fruits.
Cerqueira, M. A., Lima, A. M. P., Moreira, R. A., Teixeira, J. A., Vicente, A. A.   +4 more
core   +1 more source

Pitanga - desde a Serra da Pitanga a um município paranaense: um diagnóstico socioeconômico e geográfico

Geographia Opportuno Tempore, 2014
O presente trabalho busca traçar um diagnóstico sobre as condições socioeconômicas e outros aspectos geográficos do município de Pitanga. Para tanto, se fez necessário proceder, inicialmente, aos levantamentos históricos mais importantes, pois eles permitem vislumbrar o processo de formação socioespacial municipal.
Diego da Luz Rocha, Naibi Souza Jayme, Nilson Cesar Fraga, Mateus Galvão Cavatorta   +3 more
openaire   +1 more source

Bioactivity and bioaccessibility of phenolic compounds from Brazilian fruit purees

Future Foods, 2021
In this study, the phenolic content, antioxidant capacity, antimicrobial activity and bioaccessibility in different fruit purees were evaluated. Strawberry (Fragaria ananassa Duch.), starfruit (Averrhoa carambola) and other fruits native from Brazil ...
Ana Paula Stafussa, Giselle Maria Maciel, Débora Gonçalves Bortolini, Wédisley Volpato Maroldi, Valéria Rampazzo Ribeiro, Mariana Millan Fachi, Roberto Pontarolo, Fabiane Bach, Alessandra Cristina Pedro, Charles Windson Isidoro Haminiuk   +9 more
doaj   +1 more source

Mechanical systems subjected to generalized nonholonomic constraints

, 2000
We study mechanical systems subject to constraint functions that can be dependent at some points and independent at the rest. Such systems are modelled by means of generalized codistributions.
D. Martín de diego, J. Cortés, M. Deleón, Neimark J., S. Martínez, Vershik A. M.   +5 more
core   +1 more source

3D-printed electrochemical sensor applied to the determination of nitrite: A cost-effective and portable platform for environmental and clinical monitoring

Talanta Open
Nitrite (NO2ˉ) is an essential compound present in various processes in nature, which ranges from environmental to biological systems. It is widely used in both food and chemical industry, and even in the production of medicines.
Luiz R.G. Silva, Domingos R. Santos-Neto, Jéssica S. Stefano, Daniel H. de Oliveira, Larissa S. da Silva, Heloysa S. Pittner, Cíntia L. Handa, Rodrigo A.A. Muñoz, Diego P. Rocha   +8 more
doaj   +1 more source

Projection Methods for some Constrained Systems [PDF]

, 2011
This article is concerned with a geometric tool given by a pair of projector operators defined by almost product structures on finite dimensional manifolds, polarized by a distribution of constant rank and also endowed with some geometric structures ...
Paulo, Paulo Pitanga, R. Rodrigues
core  

Gauge Theories with Lorentz-Symmetry Violation by Symplectic Projector Method

, 2005
The violation of Lorentz symmetry is studied from the point of view of a canonical formulation. We make the usual analysis on the constraints structure of the Carroll-Field-Jackiw model.
Amaral C. M., Andrianov A. A., Andrianov A. A., Baêta Scarpelli A. P., Bekaert X., Belich H., Belich H., Carroll S., Colatto L. P., Colladay D., De Andrade M. A., De Andrade M. A., Girotti H. O., H. BELICH, Henneaux M., Hong S. T., Iltan E. O., Itoh T., Leal L., Lee H. L., M. A. DE ANDRADE, M. A. SANTOS, Manssur L. R., Pitanga P., Santos M. A., Santos M. A.   +25 more
core   +1 more source

pitanga y el mangusán, tesoros gastronómicos de Colombia

Sosquua, 2019
En el desarrollo de esta investigación se busca analizar las potencialidades gastronómicas que tiene la Pitanga y el Magusán dentro de las ofertas gastronómicas nacionales. Como punto de partida se llegó a las poblaciones de la Mesa y Cáqueza. En el presente artículo se describen las principales características organolépticas, además de identificar ...
Diana González Ramírez, Angie Hernández Bolaños, Alba Muñoz Mesa, Javier Sánchez Ramos, Luis Martínez   +4 more
openaire   +2 more sources