Výsledky vyhledávání - "Francisco W. B. Aquino"

Environmental risk assessment of parabens in surface water from a Brazilian river: the case of Mogi Guaçu Basin, São Paulo State, under precipitation anomalies

Autor: Natalia de Souza Pelinson, Mariangela Spadoto, Francisco W. B. Aquino, Carlos Alexandre Galinaro, Eny Maria Vieira

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

Parabens are preservatives widely used by industry since these compounds have antifungal properties, relative low cost, and stability over a wide pH range. This study aims to quantify and assess the environmental risks of methylparaben (MP), ethylpar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26af11728671c4aa0e9539fd21246950

Zobrazit plný text záznamu

In vivo and in vitro Volatile Constituents of the Flowers of Xylopia aromatica by HS‑SPME/GC-MS

Autor: João Gabriel M. Junqueira, Ana Paula Terezan, Mustapha N. Abubakar, Lincoln L. Romualdo, Lucas Gustavo da Costa, Vanessa Gisele Pasqualotto Severino, Francisco W. B. Aquino, Michelle N. G. do Nascimento, Gustavo O. S. Cunha

Publikováno v: Journal of the Brazilian Chemical Society.

Xylopia aromatica (Lam.) Mart. (Annonaceae) is a typical species from the Brazilian cerrado that presents medicinal properties. The plant is distinguished by its large white flowers which produce a pleasant fragrance. X. aromatica is characterized by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e82b1a19cbc55db5643f440e29424d54
https://doi.org/10.21577/0103-5053.20210013

Zobrazit plný text záznamu

Determination of Elemental Content in Solder Mask Samples Used in Printed Circuit Boards Using Different Spectroanalytical Techniques

Autor: Edenir Rodrigues Pereira-Filho, Francisco W. B. Aquino, Alex Virgilio, Marco Aurelio Sperança

Publikováno v: Applied Spectroscopy. 72:1205-1214

Solder masks are essential materials used in the manufacture of printed circuit boards (PCB). This material protects PCBs against several types of damage and performance failure. In this study, the capabilities of laser-induced breakdown spectroscopy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b72a6565fc91f47f5e8e422efa43405
https://doi.org/10.1177/0003702818774580

Zobrazit plný text záznamu

Direct Determination of Ca, K and Mg in Cassava Flour Samples by Laser-Induced Breakdown Spectroscopy (LIBS)

Autor: Vinicius Câmara Costa, Francisco W. B. Aquino, Alex Virgilio, Diego Victor Babos, Edenir Rodrigues Pereira-Filho, Fábio Alan Carqueija Amorim

Publikováno v: Food Analytical Methods. 11:1886-1896

This study aims to develop a method for direct determination of Ca, K, and Mg in cassava flour samples by laser-induced breakdown spectroscopy (LIBS). LIBS instrumental parameters were evaluated using factorial design with a central point. The variab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f211675fe1a2d67efd434c5f758d5a24
https://doi.org/10.1007/s12161-017-1086-9

Zobrazit plný text záznamu

Identification and classification of polymer e-waste using laser-induced breakdown spectroscopy (LIBS) and chemometric tools

Autor: Vinicius Câmara Costa, Francisco W. B. Aquino, Caio M. Paranhos, Edenir Rodrigues Pereira-Filho

Publikováno v: Polymer Testing. 59:390-395

In the recycling of polymer e-waste, there is a pressing need for rapid measurement technologies for the simple identification and classification of these materials. The goal of this work was to instantly identify e-waste polymers by laser-induced br

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c672034743911a0c0b9db10c19027de9
https://doi.org/10.1016/j.polymertesting.2017.02.017

Zobrazit plný text záznamu

Fast and direct detection of metal accumulation in marine sediments using laser-induced breakdown spectroscopy (LIBS): a case study from the Bay of Cienfuegos, Cuba†

Autor: Edenir Rodrigues Pereira-Filho, Francisco W. B. Aquino, Mario Simeón Pomares-Alfonso, Yoelvis Bolaños-Alvarez, Mirella Peña-Icart, Carlos Alonso-Hernández

Publikováno v: Analytical Methods. 9:3713-3719

Laser-induced breakdown spectroscopy (LIBS) is an emerging, multi-elemental and green technique, particularly suitable for the direct analysis of solid samples. In this study, thirty-two superficial sediments collected from Cienfuegos Bay in 2011–2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b33d1940880cbcacaf8306fd0ab9d4cf
https://doi.org/10.1039/c7ay00578d

Zobrazit plný text záznamu

Quantitative analysis of Lead Zirconate Titanate (PZT) ceramics by laser-induced breakdown spectroscopy (LIBS) in combination with multivariate calibration

Autor: Edenir Rodrigues Pereira-Filho, M. D. Durruthy-Rodríguez, Rafael Hernández-García, F. Calderón-Piñar, Margarita Edelia Villanueva-Tagle, Francisco W. B. Aquino, Mario Simeón Pomares-Alfonso

Publikováno v: Microchemical Journal. 130:21-26

In PZT (Lead Zirconate Titanate) ceramics, stoichiometric composition is closely related with physical properties and applications. Laser-induced Breakdown Spectroscopy (LIBS) have shown to be a suitable technique for analyzing many types of solid sa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::321fa1f1f20739fc6a6d17e425eeeacf
https://doi.org/10.1016/j.microc.2016.07.024

Zobrazit plný text záznamu

Application of Laser-Induced Breakdown Spectroscopy and Hyperspectral Images for Direct Evaluation of Chemical Elemental Profiles of Coprolites

Autor: Francisco W. B. Aquino, Renato Lajarim Carneiro, Marcelo Adorna Fernandes, Marco Aurelio Sperança, Alejandro López-Castillo, Edenir Rodrigues Pereira-Filho

Publikováno v: Geostandards and Geoanalytical Research. 41:273-282

This study demonstrates the application of laser-induced breakdown spectroscopy (LIBS) and hyperspectral imaging to the investigation of coprolite and fossil samples. Solid samples from the Permian (seven coprolites and one fossil), Cretaceous (one c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::524b8d3960bb8dc2135322a06d32f295
https://doi.org/10.1111/ggr.12155

Zobrazit plný text záznamu

Biosorbent, a promising material for remediation of eutrophic environments: studies in microcosm

Autor: Josilei S. Ferreira, Edenir Rodrigues Pereira-Filho, Francisco W. B. Aquino, Glaucia Pantano, Antonio A. Mozeto, Pedro Sergio Fadini

Publikováno v: Environmental Science and Pollution Research. 24:2685-2696

Eutrophication is considered a global environmental problem that causes economic and biodiversity loss. Together with excess phosphorus in some aquatic environments, there is the depletion of phosphate rock deposits, which can directly affect fertili

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29dfbde43042d8e425c1ddb8f56df63f
https://doi.org/10.1007/s11356-016-8009-y

Zobrazit plný text záznamu

Analysis of the polymeric fractions of scrap from mobile phones using laser-induced breakdown spectroscopy: Chemometric applications for better data interpretation

Autor: Francisco W. B. Aquino, Edenir Rodrigues Pereira-Filho

Publikováno v: Talanta. 134:65-73

Because of their short life span and high production and consumption rates, mobile phones are one of the contributors to WEEE (waste electrical and electronic equipment) growth in many countries. If incorrectly managed, the hazardous materials used i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd62ed4ece4c088f0543abe71d047b1b
https://doi.org/10.1016/j.talanta.2014.10.051

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání