Search Results - "Chaves, Andrea R"

MALDI(+) FT-ICR Mass Spectrometry (MS) Combined with Machine Learning toward Saliva-Based Diagnostic Screening for COVID-19 by de Almeida, Camila M., Motta, Larissa C., Folli, Gabriely S., Marcarini, Wena D., Costa, Camila A., Vilela, Ana C. S., Barauna, Valério G., Martin, Francis L., Singh, Maneesh N., Campos, Luciene C. G., Costa, Nádia L., Vassallo, Paula F., Chaves, Andrea R., Endringer, Denise C., Mill, José G., Filgueiras, Paulo R., Romão, Wanderson

“…Rapid identification of existing respiratory viruses in biological samples is of utmost importance in strategies to combat pandemics. Inputting MALDI FT-ICR MS…”
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LC-HRMS/MS-Based Metabolomics Approaches Applied to the Detection of Antifungal Compounds and a Metabolic Dynamic Assessment of Orchidaceae by Lima, Gesiane S, Lima, Nerilson M, Roque, Jussara V, de Aguiar, Deborah V A, Oliveira, João V A, Dos Santos, Gabriel F, Chaves, Andrea R, Vaz, Boniek G

“…The liquid chromatography-mass spectrometry (LC-MS)-based metabolomics approach is a powerful technology for discovering novel biologically active molecules…”
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Assessing the Effectiveness of Chemical Marker Extraction from Amazonian Plant Cupuassu ( Theobroma grandiflorum ) by PSI-HRMS/MS and LC-HRMS/MS by Lima, Nerilson M, Lima, Gesiane S, Dos Santos, Gabriel F, Preet, Gagan, Maciel, Lanaia I L, Andrade, Teresinha de Jesus A S, Jaspars, Marcel, Chaves, Andrea R, Vaz, Boniek G

“…Employing a combination of liquid chromatography electrospray ionization and paper spray ionization high-resolution tandem mass spectrometry, extracts from…”
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Paper Spray Tandem Mass Spectrometry Based on Molecularly Imprinted Polymer Substrate for Cocaine Analysis in Oral Fluid by Tavares, Ludmyla S., Carvalho, Thays C., Romão, Wanderson, Vaz, Boniek G., Chaves, Andréa R.

“…This study proposes a new direct and fast method of analysis employing paper spray mass spectrometry (PS-MS). The paper used in the proposed method was…”
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Electromembrane Extraction of Naphthenic Acids in Produced Water Followed by Ultra-High-Resolution Mass Spectrometry Analysis by de Araújo, Giovanna L., dos Santos, Gabriel F., Martins, Rafael O., da Silva Lima, Gesiane, Medeiros, Iris, de Carvalho, Rogério M., Simas, Rosineide C., Sgobbi, Lívia F., Chaves, Andréa R., Vaz, Boniek G.

“…Naphthenic acids comprise one of the most toxic compounds of the produced water released from offshore oil platforms. Therefore, developing and applying…”
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Microextraction in packed sorbent for analysis of antidepressants in human plasma by liquid chromatography and spectrophotometric detection by Chaves, Andréa R., Leandro, Fernanda Z., Carris, Juciene A., Queiroz, Maria Eugênia C.

“…A sensitive and reproducible method by microextraction packed sorbent and liquid chromatography with UV detection (MEPS/LC–UV) is described for the…”
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Polypyrrole monolithic extraction phase: From conventional to miniaturized sample preparation techniques by Machado, Lucas S., Soares, Francielle Q., Martins, Rafael O., Bernardo, Ricardo A., Cardoso, Alessandra T., Ruggiero, Marçal A., Rabelo, Denilson, Souza, Paulo Sérgio, Chaves, Andréa R.

“…•A new monolithic polymer was used as an extraction phase for SPE and DPX methods.•The SPE method was able to extract triazines in water samples.•The DPX…”
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Exploring salivary lipid profile changes in COVID-19 patients: Insights from mass spectrometry analysis by Bernardo, Ricardo A., Roque, Jussara V., de Oliveira Júnior, Charles I., Lima, Nerilson Marques, Machado, Lucas Santos, Duarte, Gabriela Rodrigues Mendes, Costa, Nádia L., Sorgi, Carlos A., Soares, Frederico F.L., Vaz, Boniek G., Chaves, Andréa R.

“…The most common COVID-19 testing relies on the use of nasopharyngeal swabs. However, this sampling step is very uncomfortable and is one of the biggest…”
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Naphthenic acid removal in model and real aviation kerosene mixture by Santos, Débora F., Chaves, Andréa R., Ostroski, Indianara C.

“…Bovine bone activated charcoal (CAB) was evaluated for its ability to remove n- dodecanoic carboxylic acid (ACD) in model and real mixture of aviation kerosene…”
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Novel Method for the Extraction of Cocaine from Oral Fluid by Means of Disposable Pipette Modified with Restricted Access Material by Tavares, Ludmyla, Bernardo, Ricardo, de Oliveira, Anselmo, Vaz, Boniek, Chaves, Andrea

“…This study proposes a new, efficient, and selective method for the analysis of cocaine in oral fluid. For this purpose, an extractive phase with restricted…”
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Host metabolomic responses in recurrent P. vivax malaria by Yakubu, Michael N., Mwangi, Victor I., Netto, Rebeca L. A., Alecrim, Maria G. C., Alves, Jessica R. S., Almeida, Anne C. G., Santos, Gabriel F., Lima, Gesiane S., Machado, Lucas S., Koolen, Hector H. F., Guimarães, Tiago P., Chaves, Andrea R., Vaz, Boniek G., Monteiro, Wuelton M., Costa, Fabio T. M., Lacerda, Marcus V. G., Gardinassi, Luiz G., de Melo, Gisely C.

“…Malaria is the leading parasitic disease worldwide, with P. vivax being a major challenge for its control. Several studies have indicated metabolomics as a…”
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The development of a new disposable pipette extraction phase based on polyaniline composites for the determination of levels of antidepressants in plasma samples by Chaves, Andréa R., Moura, Bruno H.F., Caris, Juciene A., Rabelo, Denilson, Queiroz, Maria Eugênia C.

“…•We synthesized a new phase for DPX based on composites of polyaniline and a macroporous styrene–divinylbenzene copolymer.•The developed composite was used as…”
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Bioanalytical LC-QTOF/MS Method for a N -phenylpiperazine Derivate (LQFM05): An Anxiolytic- and Antidepressant-like Prototype Drug Applied to Pharmacokinetic and Biodistribution Studies by Ramos, Ana Cláudia M, Rezende, Kênnia R, Teixeira, Carolina M, Fernandes, Aline R, Santos, Heloa, Machado, Rúbia Darc, Menegatti, Ricardo, Vaz, Boniek G, Chaves, Andréa R

“…The LQFM05 is a prototype drug designed for treatment of psychiatric disorders, such as schizophrenia, exhibiting anxiolytic- and antidepressant-like (12 or 24…”
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Assessing organophosphorus and carbamate pesticides in maize samples using MIP extraction and PSI-MS analyzes by Freitas, Carla, Machado, Lucas S., Pereira, Igor, da Silva, Rodolfo R., dos Santos, Gabriel F., Chaves, Andrea R., Simas, Rosineide C., Lima, Gesiane S., Vaz, Boniek G.

“…The indiscriminate utilization of agrochemicals causes environmental and animal life impacts. In this regard, methodologies have been developed to offer…”
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Immunoaffinity in-tube solid phase microextraction coupled with liquid chromatography with fluorescence detection for determination of interferon α in plasma samples by Chaves, Andréa R., Queiroz, Maria Eugênia C.

“…•A rare application of in-tube SPME for biopharmaceutical (protein) analyses was presented.•A sensitive and selective immunoaffinity in-tube SPME/LC-FD method…”
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Development and Analytical Validation of the Methodology for Vitamins in Tablets by Ultra-Performance Liquid Chromatography by d'Oliveira, Giulio D C, Chaves, Andréa R, Pérez, Caridad N

“…In the present study, we developed a reliable and robust chromatographic method for the quantification of multivitamins in tablet samples by ultra-performance…”
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Biocompatible in-tube solid phase microextraction coupled with liquid chromatography-fluorescence detection for determination of interferon α in plasma samples by Chaves, Andréa R., Silva, Bruno J.G., Lanças, Fernando M., Queiroz, Maria Eugênia C.

“…The present work demonstrates the successful application of automated biocompatible in-tube solid-phase microextraction coupled with liquid chromatography…”
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Methylprednisolone therapy induces differential metabolic trajectories in severe COVID-19 patients by Mwangi, Victor I, Netto, Rebeca L A, Borba, Mayla G S, Santos, Gabriel F, Lima, Gesiane S, Machado, Lucas S, Yakubu, Michael N, Val, Fernando F A, Sampaio, Vanderson S, Sartim, Marco A, Koolen, Hector H F, Costa, Allyson G, Toméi, Maria C M, Guimarães, Tiago P, Chaves, Andrea R, Vaz, Boniek G, Lacerda, Marcus V G, Monteiro, Wuelton M, Gardinassi, Luiz G, Melo, Gisely C

“…The SARS-CoV-2 virus infection in humans induces significant inflammatory and systemic reactions and complications of which corticosteroids like…”
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A Semi-Automated Molecularly Imprinted Polymer Solid-Phase Extraction Method for Catechin Analysis from Jaboticaba (Plinia sp.) Peel Extract Samples by UHPLC-DAD by Cardoso, Alessandra, Martins, Rafael, Machado, Lucas, Kato, Lucília, Simas, Rosineide, Cardoso, Carmen Lúcia, Chaves, Andréa

“…Jaboticaba (Plinia sp.), a nutritionally significant Brazilian fruit, is rich in phenolic compounds, such as catechin, known for its biological and…”
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Evaluation of the Mandibular Pheromones Produced by Queens of Africanized and European Honeybees under Normal Conditions and During Absconding Processes by HPLC-UV Methodology by de Almeida, Gesline, Chaves, Andréa, Queiroz, Maria Eugênia, Gramacho, Kátia, Gonçalves, Lionel

“…Pheromones are essential for colony organization in honeybees. The pheromones 9-ODA ((E)-9-oxodec-2-enoic acid) and 9-HDA ((E)-9-hydroxydec-2-enoic acid),…”
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