Výsledky vyhledávání - "William F, Falco"

Akademický článek

Effects of copper oxide nanoparticles on germination of Sesbania virgata (FABACEAE) plants

Autor: ELIENE S. DOS SANTOS, DANIELA E. GRACIANO, WILLIAM F. FALCO, ANDERSON R. LIMA CAIRES, EDUARDO J. DE ARRUDA

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 93, Iss 3 (2021)

Abstract Nanotechnology is a field that, over the years, has been growing in several research areas, such as medicine, agriculture and cosmetics, among others. As a result, there is a continuous increase in the production, use and disposal of these m

Externí odkaz: https://doaj.org/article/affe271ff4a94ab881d65b71ee8c165b

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How does aquatic macrophyte Salvinia auriculata respond to nanoceria upon an increased CO2 source? A Fourier transform-infrared photoacoustic spectroscopy and chlorophyll a fluorescence study

Autor: Daniela E. Graciano, Luis Humberto da Cunha Andrade, Sandro Marcio Lima, William F. Falco, Montcharles da Silva Pontes, Anderson R.L. Caires, Etenaldo Felipe Santiago, Renato Grillo

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Made available in DSpace on 2019-10-06T16:31:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-09-30 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a431ad9852e0068e37f66fe6c5be71bf
https://doi.org/10.1016/j.ecoenv.2019.05.041

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Phytotoxicity of silver nanoparticles on Vicia faba: Evaluation of particle size effects on photosynthetic performance and leaf gas exchange

Autor: Ian Colbeck, Marisa D. Scherer, Tracy Lawson, Samuel L. Oliveira, Anderson R.L. Caires, William F. Falco, Heberton Wender

Publikováno v: The Science of the total environment. 701

Nanotechnology is an emerging field in science and engineering, which presents significant impacts on the economy, society and the environment. The nanomaterials’ (NMs) production, use, and disposal is inevitably leading to their release into the e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d920ff1e1133659fb29e7785b628220
https://pubmed.ncbi.nlm.nih.gov/31704404

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How does aquatic macrophyte Salvinia auriculata respond to nanoceria upon an increased CO

Autor: Montcharles S, Pontes, Renato, Grillo, Daniela E, Graciano, William F, Falco, Sandro M, Lima, Anderson R L, Caires, Luís H C, Andrade, Etenaldo F, Santiago

Publikováno v: Ecotoxicology and environmental safety. 180

With the continued increase of technological uses of cerium oxide nanoparticles (CeO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::4768a1e5649eac482a84ca865979d2c0
https://pubmed.ncbi.nlm.nih.gov/31128550

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Quenching of chlorophyll fluorescence induced by silver nanoparticles

Autor: A.V. Mezacasa, A.M. Queiroz, Daniela E. Graciano, Anderson R.L. Caires, Ian Colbeck, William F. Falco, F.E.G. Guimarães, Samuel L. Oliveira, Tracy Lawson, Jean-Claude M’Peko

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The interaction between chlorophyll (Chl) and silver nanoparticles (AgNPs) was evaluated by analyzing the optical behavior of Chl molecules surrounded by different concentrations of AgNPs (10, 60, and 100 nm of diameter). UV–Vis absorption, steady

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28b44b1d105882b3b2550e16affd9045
https://doi.org/10.1016/j.saa.2016.05.033

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ZnO nanoparticles impact on the photosynthetic activity of Vicia faba: Effect of particle size and concentration

Autor: Gleison A. Casagrande, Ian Colbeck, Giovanna Machado, Anderson R.L. Caires, William F. Falco, Danielle P. Pedruzzi, Leandro O. Araujo, Samuel L. Oliveira, Tracy Lawson

Publikováno v: NanoImpact. 19:100246

The present study evaluated the impact of ZnONPs on the photosynthetic activity of Vicia faba plants. Time evolution of chlorophyll a fluorescence parameters (Fv/Fm, NPQ, Fq′/Fm′, Fq′/Fv′, and Fv′/Fm′), leaf temperature, and stomatal cond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35c7b6dc80853e51e3c3a6099bdd1f51
https://doi.org/10.1016/j.impact.2020.100246

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Cytotoxic and genotoxic effects of silver nanoparticles on meristematic cells of Allium cepa roots: A close analysis of particle size dependence

Autor: Giovanna Machado, Alexeia Barufatti Grisolia, Luis Humberto da Cunha Andrade, Samuel L. Oliveira, Sandro Marcio Lima, Heberton Wender, Valter Aragão do Nascimento, Marisa D. Scherer, Daniel A. Gonçalves, Juliana Caroline Vivian Sposito, William F. Falco, Anderson R.L. Caires

Publikováno v: The Science of the total environment. 660

The use of silver nanoparticles (AgNPs) in commercial products has increased significantly in recent years. However, findings on the toxic effects of the AgNPs are still limited. This paper reports an investigation on the cytotoxic and genotoxic pote

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9d4f2bfc4435e8f784b19c2a1c50320
https://pubmed.ncbi.nlm.nih.gov/30640113

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Interaction between chlorophyll and silver nanoparticles: A close analysis of chlorophyll fluorescence quenching

Autor: F.E.G. Guimarães, Samuel L. Oliveira, Joelson Fernandes, Jean-Claude M’Peko, Ian Colbeck, E. A. Falcão, Anderson R.L. Caires, A.M. Queiroz, E. R. Botero, William F. Falco

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Silver nanoparticles (Ag NPs) are among the most widely produced and used nanomaterial due to their antimicrobial and antibacterial properties, allowing a wide range of commercial applications. Thereby, the increasing use of Ag NPs should inevitably

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69b8e25c3c42a1ca9b4b9ff0201b8828
https://doi.org/10.1016/j.jphotochem.2014.12.001

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Thermo-optical characterization of tellurite glasses by thermal lens, thermal relaxation calorimetry and interferometric methods

Autor: William F. Falco, R. C. de Oliveira, E. A. Falcao, E. S. Bannwart, João Carlos Silos Moraes, Antonio M. Bento, Luis Humberto da Cunha Andrade, E. B. Araujo, Nelson G. C. Astrath, Sandro Marcio Lima, Mauro Luciano Baesso, K. Yukimitu, A. Steimacher, A.N. Medina

Publikováno v: Journal of Non-Crystalline Solids. 352:3603-3607

In this work the thermal lens, thermal relaxation calorimetry and interferometric methods are applied to investigate the thermo-optical properties of tellurite glasses (in mol%: 80TeO 2 –20 Li 2 O(TeLi), 80TeO 2 –15Li 2 O–5TiO 2 (TeLiTi-5) and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39abcbd82e7f5d937caa26b5872c775f
https://doi.org/10.1016/j.jnoncrysol.2006.02.116

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In vivo observation of chlorophyll fluorescence quenching induced by gold nanoparticles

Autor: Etenaldo Felipe Santiago, Vanderlei Salvador Bagnato, E. R. Botero, William F. Falco, E. A. Falcão, Anderson R.L. Caires

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

To our knowledge, the present work reports the first in vivo observation of chlorophyll a fluorescence quenching induced by gold nanoparticles. Laser-induced fluorescence spectroscopy was used to collect in vivo chlorophyll a fluorescence, using a po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dc776737792487e0d18d910aaad6ff8

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