Výsledky vyhledávání - "Mário S. Piantavini"

Akademický článek

ELUCIDATION OF THE ELECTRONIC SPECTRUM CHANGES OF KA-Al3+ COMPLEX BY POTENTIOMETRIC TITRATION, FTIR, 13C RMN AND QUANTUM MECHANICS

Autor: Mário S. Piantavini, Alan G. Gonçalves, Ângela C. L. B. Trindade, Miguel D. Noseda, Ana L. R. Mercê, Antonio E. H. Machado, Roberto Pontarolo

Publikováno v: Química Nova, Vol 40, Iss 7, Pp 774-780

Kojic acid (KA) is an organic acid widely used in pharmaceutical industry, mainly as a skin lightening agent. Based on the ability of KA to form complexes with ions, we found the most possible kind of complex formed with cation aluminum. KA-Al3+ comp

Externí odkaz: https://doaj.org/article/f88c9fb32ed3449f8b7f6efce9450f4f

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Rapid detection of aspergillosis in immunocompromised patients using DIMS and chemometric analysis

Autor: João Cleverson Gasparetto, Francinete Ramos Campos, Mário S. Piantavini, Isabela F. Zaramella, Letícia Bonancio Cerqueira, Roberto Pontarolo, Thais Martins Guimarães de Francisco

Publikováno v: Analytical Methods. 7:6346-6351

Rapid diagnosis of aspergillosis is one of the most important aspects for disease control and treatment. The purpose of this study was to develop a metabolic fingerprint of serum from immunocompromised patients that can enable rapid detection of aspe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f269f11621b55540a4a0c48c9a9810ce
https://doi.org/10.1039/c5ay01146a

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Elucidation of the electronic spectrum changes of KA-Al3+ complex by potentiometric titration, FTIR, 13C RMN and Quantum Mechanics

Autor: Mário S. Piantavini, Alan G. Gonçalves, Ana Lucia Ramalho Mercê, Ângela C. L. B. Trindade, Miguel D. Noseda, Antonio E.H. Machado, Roberto Pontarolo

Publikováno v: Química Nova v.40 n.7 2017
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 40, Issue: 7, Pages: 774-780, Published: AUG 2017
Química Nova, Vol 40, Iss 7, Pp 774-780

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a308406d0d8f6317f08fe1abe6cbce46
https://doi.org/10.21577/0100-4042.20170059

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Simultaneous Determination of Antimalarial Agents by LC-MS/MS and Its Application to Evaluation of Fixed-Dose Tablets

Autor: Mário S. Piantavini, Raquel de Oliveira Vilhena, Roberto Pontarolo, Flávia Lada Degaut Pontes, Breno Maurício Marson

Publikováno v: Journal of the Brazilian Chemical Society, Volume: 28, Issue: 4, Pages: 615-621, Published: APR 2017
Journal of the Brazilian Chemical Society v.28 n.4 2017
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

We developed and validated a liquid chromatography tandem mass spectrometry (LC-MS/MS) method to quantify the antimalarials artesunate (ARS) and mefloquine (MFQ) in fixed-dose tablets. The detection was performed by a triple-quadrupole mass spectrome

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18d9ee8705c39f6e9a50fa5382e3a86c
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532017000400615&lng=en&tlng=en

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Utilization of carbon sources by clinical isolates of Aeromonas

Autor: Karoline C. Prediger, Cyntia M.T. Fadel-Picheth, Dayane Alberton, Mário S. Piantavini, Emanuel Maltempi de Souza, Cibelle B. Dallagassa, Sonia M. S. S. Farah, Flávia E.A. Assis, Monica Surek, Fábio O. Pedrosa

Publikováno v: Canadian journal of microbiology. 63(4)

Bacteria in the genus Aeromonas are primarily aquatic organisms; however, some species can cause diseases in humans, ranging from wound infections to septicemia, of which diarrhea is the most common condition. The ability to use a variety of carbon s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd8b3aae9e94a73f659009f86bc6342b
https://pubmed.ncbi.nlm.nih.gov/28177792

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Simultaneous spectrophotometric determination of pyrantel pamoate and febantel in pharmaceutical preparations using partial least-squares regression

Autor: Letícia Bonancio Cerqueira, Flávia Lada Degaut Pontes, Patricio Peralta-Zamora, Mário S. Piantavini, Roberto Pontarolo

Publikováno v: Journal of Analytical Chemistry. 69:948-952

The multivariate spectroscopic determination of the combination of pyrantel pamoate (PP) and febantel (FB) in pharmaceutical preparations was carried out by partial least-squares regression. The UV absorbance spectra of standard mixtures of PP and FB

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cea39e9033acaef37b8db9de053cfc38
https://doi.org/10.1134/s1061934814100104

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Chemometric quality inspection control of pyrantel pamoate, febantel and praziquantel in veterinary tablets by mid infrared spectroscopy

Autor: Flávia Lada Degaut Pontes, Dile Pontarolo Stremel, Caroline Paola Uber, Marcelo M. Sena, Mário S. Piantavini, Roberto Pontarolo

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 125:396-403

This paper describes the development and validation of a new multivariate calibration method based on diffuse reflectance mid infrared spectroscopy for direct and simultaneous determination of three veterinary pharmaceutical drugs, pyrantel pamoate,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3932622af68581f541c85ad119c3b68
https://doi.org/10.1016/j.saa.2014.01.078

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Insulin analogues versus human insulin in type 1 diabetes: direct and indirect meta-analyses of efficacy and safety

Autor: Patrícia Rodrigues Gonçalves, Cassyano Januário Correr, Mário S. Piantavini, Andréia Cristina Conegero Sanches, Rafael Venson, Mariana Martins Garcia, Roberto Pontarolo

Publikováno v: Brazilian Journal of Pharmaceutical Sciences, Vol 49, Iss 3, Pp 501-509 (2013)
Brazilian Journal of Pharmaceutical Sciences; Vol. 49 No. 3 (2013); 501-509
Brazilian Journal of Pharmaceutical Sciences; Vol. 49 Núm. 3 (2013); 501-509
Brazilian Journal of Pharmaceutical Sciences; v. 49 n. 3 (2013); 501-509
Brazilian Journal of Pharmaceutical Sciences
Universidade de São Paulo (USP)
instacron:USP
Brazilian Journal of Pharmaceutical Sciences, Volume: 49, Issue: 3, Pages: 501-509, Published: SEP 2013

All patients with Diabetes Mellitus (DM) receive insulin therapy. In this study, we evaluated the efficacy, safety and tolerability of human insulin and insulin analogues. We performed a systematic review of the literature and a meta-analysis accordi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df309e8c869b598ada314acc0cdca4e7
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502013000300011&lng=en&tlng=en

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Simultaneous quantification of artesunate and mefloquine in fixed-dose combination tablets by multivariate calibration with middle infrared spectroscopy and partial least squares regression

Autor: Raquel de Oliveira Vilhena, Mário S. Piantavini, Flávia Lada Degaut Pontes, Roberto Pontarolo, Breno Maurício Marson, Camilla Regina de Souza Madeira

Publikováno v: Malaria Journal

Background Malaria is one of the most lethal and life-threatening infectious diseases in the world, causing more than half a million deaths annually. Treatment with mefloquine and artesunate is currently recommended by the World Health Organization,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::669a8d745e7a27b9baaf3d06dd8f1631
https://doi.org/10.1186/s12936-016-1157-1

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Comparison between Ultraviolet and Infrared Spectroscopies for the Simultaneous Multivariate Determination of Pyrantel and Praziquantel

Autor: Flávia Lada Degaut Pontes, Roberto Pontarolo, Leandro X. Weiss, Mário S. Piantavini, Marcelo M. Sena

Publikováno v: Journal of the Brazilian Chemical Society, Volume: 26, Issue: 7, Pages: 1387-1395, Published: JUL 2015
Journal of the Brazilian Chemical Society v.26 n.7 2015
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

Methods based on multivariate calibration and diffuse reflectance infrared Fourier transform (DRIFT) and ultraviolet (UV) spectroscopies were developed for the simultaneous determination of two veterinary pharmaceutical drugs, pyrantel pamoate and pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6aaa12d7ba261d82443d62b89469d3dc
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532015000701387&lng=en&tlng=en

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