Results 31 to 40 of about 278 (158)

The influence of light intensity on anatomical structure and pigment contents of Tradescantia pallida (Rose) Hunt. cv. purpurea Boom (Commelinaceae) leaves

Brazilian Archives of Biology and Technology, 2003
The aim of this work was to study the effects of five different light intensities on the anatomical structure and on the pigment contents in leaves of Tradescantia pallida cv. purpurea.
Élder Antonio Sousa Paiva, Rosy Mary dos Santos Isaias, Fernando Henrique Aguiar Vale, Cristina Generosa de Senna Queiroz   +3 more
doaj   +1 more source

Dades de plantes al·lòctones per a l’est de la península Ibèrica

Collectanea Botanica, 2019
Con las observaciones de los últimos años en el este de la península ibérica (concretamente en Cataluña, País Valenciano y la provincia de Teruel), se aportan un conjunto de datos corológicos de 41 plantas alóctonas naturalizadas u ocasionales.
R. Senar, S. Cardero
doaj   +1 more source

Biomonitoring of the air with Tradescantia pallida (Rose) D. R. Hunt var purpurea Boom (Commelinaceae)

Revista Ambiente & Água, 2012
The population growth and the comfort generated by progress have greatly contributed with the increase in the air pollution, making the air in several urban centers polluted by substances that are harmful to human being.
Agnes Barbério, Mateus Cabral Vasconcellos Teixeira   +1 more
doaj   +1 more source

Ability of Allium cepa L. root tips and Tradescantia pallida var. purpurea in N-nitrosodiethylamine genotoxicity and mutagenicity evaluation

Anais da Academia Brasileira de Ciências, 2010
N-nitroso compounds, such as N-nitrosodiethylamine (NDEA), can be formed by the reaction of secundary amines with nitrosating agents, and are suspected to be involved in tumors in humans.
Claudia R. de Rainho, Andréa Kaezer, Claudia A.F. Aiub, Israel Felzenszwalb   +3 more
doaj   +1 more source

Genotoxic evaluation of the River Paranaíba hydrographic basin in Monte Carmelo, MG, Brazil, by the Tradescantia micronucleus

Genetics and Molecular Biology, 2015
Pollutants have adverse effects on human health and on other organisms that inhabit or use water resources. The aim of the present study was to assess the environmental quality of three watercourses in Monte Carmelo, MG, Brazil, using the micronucleus ...
Carlos F. Campos, Boscolli B. Pereira, Edimar O. de Campos-Junior, Eduardo F. Sousa, Henrique N. Souto, Sandra Morelli   +5 more
doaj   +1 more source

Fluorescence Quantum Yields and Lifetimes of Aqueous Natural Dye Extracted from Tradescantia pallida purpurea at Different Hydrogen Potentials

Photochem, 2023
In this work, we monitored the fluorescence quantum efficiency (η) and the fluorescence lifetime (τ) of natural dye extracts from the leaves of Tradescantia pallida purpurea. The natural dye was extracted from leaves in aqueous solutions as a function of
Sthanley R. De Lima, Larissa R. Lourenço, Marina Thomaz, Djalmir N. Messias, Acácio A. Andrade, Viviane Pilla   +5 more
doaj   +1 more source

Allium cepa and Tradescantia pallida bioassays to evaluate effects of the insecticide imidacloprid

Chemosphere, 2015
The indiscriminate use of pesticides has become a serious environmental concern. Of them, imidacloprid (IMI) is one of the most widely used worldwide. In 2010 in Brazil, 1.934 tonnes of IMI were sold and mainly used for sugarcane crops. Several studies have examined the toxicity of IMI as well as its possible ecological effects.
Rodriguez, Yadira Ansoar, Christofoletti, Cintya Ap., Pedro, Janaina, Bueno, Odair Correa, Malaspina, Osmar, Costa Ferreira, Rafael Alexandre, Fontanetti, Carmem S.   +6 more
openaire   +3 more sources

Efetividade do ensaio Trad-MCN para avaliação de contaminantes atmosféricos em regiões brasileiras

Revista Ambiente & Água, 2017
A planta Tradescantia pallida (Rose) D.R. Hunt var. purpurea tem sido utilizada em diversos modelos experimentais para detecção de danos morfofisiológicos e genéticos, por ser uma planta sensível a poluentes atmosféricos.
Juliana Caroline Vivian Sposito, Luiza Flávia Veiga Francisco, Alexeia Barufatti Grisolia   +2 more
doaj   +1 more source

Avaliação da atividade antimicrobiana da planta Tradescantia pallida Munt (Taboquinha Roxa)

Revista Brasileira de Plantas Medicinais, 2015
RESUMO O objetivo deste estudo foi pesquisar o efeito antimicrobiano in vitro do extrato hidroalcóolico das folhas Tradescantia pallida Munt conhecida como Taboquinha roxa.
A.M.A.P SILVA, A.M SILVA, R.D. MASSON, N.C. COSTA, E.E. RIBEIRO   +4 more
doaj   +1 more source

IUCN Red List Regional Assessment of the Flora of Niue Utilising Indigenous Local Knowledge and Botanical Information

Journal of the Royal Society of New Zealand, Volume 56, Issue 2, April 2026.
A regional assessment of the indigenous vascular plants of Niue is presented using the IUCN Red List criteria. The assessment was undertaken during a community workshop that drew on the indigenous local knowledge and scientific information. The assessment comprised 197 named taxa and 8 indeterminate entities, with 4 (2.0%) taxa assessed as Extinct and ...
Peter B. Heenan, Huggard E. Tongatule, Workshop Panel   +2 more
wiley   +1 more source