Benedito B. Farias FilhoI,*; Maria Conceição S. M. LageII; Ana Luisa M. L. do NascimentoII; Iasmin Maria R. de S. VieiraII; Danyel Douglas M. de AlmeidaII; Wilkins O. de BarrosI
Approaches to analytical techniques employed for the study of rock art are discussed in this review.
Geovana de Melo MendesI,#; Paulo Felipe Neves EstrelaI,#; Marcio Neres de Souza JuniorI; Núbia Natália de BritoI; Andréa Fernandes ArrudaI; Matheus Ribeiro AugustoII; Ieda Carolina Mantovani ClaroII; Adriana Feliciano Alves DuranII; Aline Diniz CabralII; Rodrigo de Freitas BuenoII; Gabriela Rodrigues Mendes DuarteI,*
The study aimed to monitor SARS-CoV-2 RNA in wastewater in Goiânia to estimate the viral prevalence in the population and anticipate clinical cases.
Danielle Affonso SampaioI,*; Alfredo José dos Santos JuniorII; Ananias Francisco Dias JúniorII; Roberto Carlos Costa LelisI
Residues from the seeds of Brazilian pine (A. angustifolia) were submitted to the pyrolysis process. The charcoal obtained for seed residues had desirable energetic properties; such as higher fixed carbon and energy density, and its use is promising for bioenergy in the Atlantic Forest.
Joselena Mendonça FerreiraI; Giuseppina NegriII,*; Maria Luiza Faria SalatinoII; Dejair MessageIII; Antonio SalatinoII
Chromatography profile of ethanolic extract from geopropolis of M. subnitida collected inside of the nest, at UV - 300. (-)-ESI-MS/MS spectra of 1-O-Coumaroyl-di-O-galloyl hexose and 1-O-Coumaroyl-2-O-galloyl hexose.
Bruna Ramos de Souza GomesI; Rebeca dos Santos FrançaII; Alex Souza MoraesI; Giovana Anceski BataglionII; Jandyson Machado SantosI,*
The present study carried out a comprehensive characterization of sediments from the Capibaribe River using classical and sterol analyses in order to verify the level of environmental contamination.
Xiaoshuang Song; Yanling Hao*; Qiqi Gao; Long Cheng
The adsorbent MZF/P was prepared by a facile method and it exhibited relatively efficient phosphate adsorption performance, was easy to regenerate and could be effectively reused.
Marianella ZegarraI; Ana Aguilar-GalvezI; Rosana ChirinosI; Diego García-RíosII; Marienela CalsinIII; Romina PedreschiII; David CamposI,*
Phenolic antioxidants obtained from muña Inca leaves mitigate acrylamide formation in potato chips. The highest levels of mitigation (67.4%) were obtained with vacuum impregnation.
Norberto MonteiroI,*; Vitória MonteiroII; Lorena LimaII; Anna KarollineII; Richele MachadoII
Inhibitory effect of the punicalagin anomers against SARS-COV-2 main protease (Mpro).
Stefano DugheriI,*; Giovanni CappelliII; Jacopo CeccarelliII; Niccolò FanfaniIII; Lucia TrevisaniII; Donato SquillaciII; Elisabetta BucalettiII; Riccardo GoriIV; Nicola MucciII; Giulio ArcangeliII
This work proposes an innovative fully-automated application of headspace solid-phase microextraction (SPME) with on-fiber derivatization for the analysis of airborne FA emitted from liquid solutions or solid manufacts, in static mode, via gas chromatography-mass spectrometry.
Yasin YakarI,*; Kerim KaradağII
The adulteration of olive oils can be detected with machine learning algorithms.
Márcia Miguel Castro Ferreira*
Three methods for pattern recognition, used as exploratory data analysis, are revisited: PCA, Fisher's canonical variate analysis and ANOVA-PCA. The mathematical bases of the three methods are discussed as well as examples are presented.
Isabela Ritter OttI; Mariane TegnerII; Fernando Engel GerbaseII,III; Octaviano Pereira Zago SagriloIII; Rafael LindenI,II; Marina Venzon AntunesI,II,*
We present a UPLC-MS/MS method for the quantification of the ethanol metabolites ethyl-glucuronide (EtG) and ethyl-sulfate (EtS) in blood samples. EtG and EtS blood levels from trauma patients with positive alcoholaemia were 0.25 to 14.11 µg ml-1 and 0.13 to 5.53 µg mL-1.
Luis F. Aiquipa MorenoI; Alexander G. Guillén VasquezI; Elizabeth C. PastranaI,II,*; Roxana Y. PastranaI,#
Low-cost 3D printed centrifuge.
Edgar E. VargasI,*; Gina J. LeónII; Leonardo F. MartínezIII
The research highligths the importance of warking argumentative processes at different levels of academic training, with the purpose of developing structured arguments as proposes by Toulmin.
Ricardo S. Baltieri; Marco A. Cebim; Amadeu M. Bego*
The Graphical Abstract shows different types of covalent bond representations and conceptions, since atoms that are happy to share the electrons, through electrons like dots and lines, and using a map of charge density.
Lucas Matheus Alves Gontijo; Clóves Gonçalves Rodrigues*
Energy density versus frequency for three temperature values. The dashed curve was obtained using the Rayleigh-Jeans equation for a temperature of 2000 K.
Germano Veras*; Vitor D. Alves; Hilthon A. Ramos; Mirelly Gomes; Lêda Figueiredo; Emilly V. S. Matias
Cientometry of the chemometrics in Brazil: scientific production, human resource development and maturity stage of the area.
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