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EDIÇÃO ATUAL vol. 47, No. 9 e 10, 2024



Editorial Quim. Nova 2024, 47(9), e-20240076, 1

 

SUSTENTABILIDADE E QUÍMICA AMBIENTAL

Cassiana C. MontagnerI; Giovanna MachadoII; Marco Tadeu GrassiIII


http://dx.doi.org/10.21577/0100-4042.20240076

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Total access: 211

Artigo Quim. Nova 2024, 47(9), e-20240051, 1-9

 

Multiresidue and multiclass determination of Current-use Pesticides (CUPs) in water samples BY SPE and UHPLC-MS/MS

Állisson A. da S. Avellar; Gabriel A. B. Prates; Larissa da S. Alves; Osmar D. Prestes; Martha B. Adaime; Renato Zanella*


A multiresidue and multiclass method was developed for the determination of current-use pesticides (CUPs) in water samples using solid phase extraction (SPE) with polymeric sorbent and ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS).

http://dx.doi.org/10.21577/0100-4042.20240051

Publicado online: julho 2, 2024
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Quim. Nova 2024, 47(9), e-20240052, 1-8

 

Efficient and reusable materials with pyrochlore structure for removing red dye from aqueous media

Valber E. S. FirminoI; Júlia B. R. FernandesI; Marcelo J. B. SouzaII; Anne M. Garrido PedrosaI,*


Efficient and reusable adsorbents with pyrochlore structure can be synthesized by a simple route and applied to remove pollutants from aqueous media.

http://dx.doi.org/10.21577/0100-4042.20240052

Publicado online: julho 24, 2024
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Quim. Nova 2024, 47(9), e-20240053, 1-8

 

Occurrence of polybrominated diphenyl ethers (PBDEs) in surface sediments of an urban artificial lake in Brazil

Fernando F. SodréI,*; Daniel Luiz R. AnnunciaçãoII; Fernanda V. AlmeidaII


Investigation of polybrominated diphenyl ethers (PBDE) levels in Paranoá Lake sediments revealed higher concentrations attributed to effluent discharges from wastewater treatment plants and storm drainage water systems.

http://dx.doi.org/10.21577/0100-4042.20240053

Publicado online: agosto 1, 2024
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Quim. Nova 2024, 47(9), e-20240054, 1-7

 

Métricas da química analítica verde na avaliação de método ecológico para determinação de defensivos agrícolas por CLAE-DAD

Larissa P. dos SantosI; Bárbara E. A. de MagalhãesII; Walter N. L. dos SantosI,II; Luciana B. OliveiraIII; Madson de G. PereiraI; Débora de A. SantanaI,*


The use of ethanol as a mobile phase allowed good chromatographic separation with excellent evaluation by Green Analytical Chemistry metrics.

http://dx.doi.org/10.21577/0100-4042.20240054

Publicado online: agosto 12, 2024
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Quim. Nova 2024, 47(9), e-20240056, 1-10

 

Photocatalytic water splitting using the semiconductor heterojunction between MoO3-X/CDS

Felipe L. N. SousaI; Luana B. C. OliveiraI,II; Lizeth Carolina MojicaI; Leonardo J. L. MacielI; Wellington de Souza FerreiraI,II;
Denilson V. FreitasI; Marco A. S. GarciaIII; Walter M. AzevedoII; Giovanna MachadoI,*


From gamma irradiation of molybdenum oxide, reduced oxides (MoO3-x) were obtained with expansion of the absorption spectral region. With the heterojunction formation between MoO3-x and cadmium sulfide (CdS) quantum dots, better efficiencies for photocatalytic generation of hydrogen and oxygen are achieved.

http://dx.doi.org/10.21577/0100-4042.20240056

Publicado online: agosto 23, 2024
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Quim. Nova 2024, 47(9), e-20240057, 1-10

 

Validação de método analítico para quantificação dos estrógenos naturais (E1, E2 e E3) e sintético (EE2) em água superficial e material particulado em suspensão de um estuário subtropical do Atlântico Sul, Brasil

Pedro Toledo NettoI,*; Marcos Canto MachadoII; Luiz Laureno Mafra JúniorI; César C. MartinsIII


Here, we present the validation items studied and the distribution of the estrogen 17α-ethinyl estradiol in suspended particulate matter along a salinity gradient in Guaratuba Bay, South Atlantic, Brazil, during summer and winter.

http://dx.doi.org/10.21577/0100-4042.20240057

Publicado online: agosto 28, 2024
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Quim. Nova 2024, 47(9), e-20240059, 1-9

 

Emprego de dispositivos de difusão em filmes finos por gradiente de concentração (DGT) preparados com agarose, um hidrogel ambientalmente amigável, na avaliação da labilidade de cádmio, cobre e cromo em águas naturais

Karine Andréa Costa; Bruna de Fátima Pereira Schmite; Renata Martins da Silva; Vanessa Egéa dos Anjos*


Homemade diffusive gradients in thin films (DGT) devices prepared with agarose (non-toxic hydrogel) to evaluate the lability of metallic species in Cará-Cará River, Ponta Grossa, Paraná, Brazil.

http://dx.doi.org/10.21577/0100-4042.20240059

Publicado online: setembro 13, 2024
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Quim. Nova 2024, 47(9), e-20240073, 1-8

 

Efficient removal of norfloxacin from water by Fe-MOFs

Fuhua Wei; Qinhui Ren; Nannan Wang; Hongliang Chen; Yutao Zhang; Zhao Liang


The Fe-MOFs (metal-organic frameworks) were synthesized via a heat of solution method using ferrous sulfate heptahydrate metal ions and 2,5-dihydroxyterephthalic acid as the organic linker. Subsequently, these Fe-MOFs were employed for norfloxacin elimination.

http://dx.doi.org/10.21577/0100-4042.20240073

Publicado online: outubro 25, 2024
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Total access: 153

Quim. Nova 2024, 47(9), e-20240075, 1-11

 

Bioadsorventes de resíduos da agroindústria utilizados na remoção de CD(II)

Adailza Oliveira CarneiroI; Daniel Salustiano Costa NetoI; Cleia Teixeira Santos de FrancaII; Alexilda Oliveira de SouzaII;
Tereza Simonne Mascarenhas SantosI,*


Bioadsorbents prepared from agro-industrial waste were used to remove cadmium(II) with efficiency of 95.7, 92.4 and 60.2%, for BSG (guava seed bioadsorbent), BSC (yellow mombin seed bioadsorbent) and BSM (mango seed bioadsorbent), respectively.

http://dx.doi.org/10.21577/0100-4042.20240075

Publicado online: outubro 25, 2024
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Total access: 181

Quim. Nova 2024, 47(9), e-20240078, 1-6

 

Ecotoxicidade de cremes dentais dessensibilizantes e clareadores em indicadores aquático e terrestre

Maria Thais S. de MacêdoI; Gabrieli Duarte FariasI; Alexandre Almeida-JúniorII; Andressa F. B. de OliveiraIII;
Ana Maria Barros Chaves PereiraIII; Fábio C. SampaioII; Isabela A. P. FariasIV,*


Ten different toothpastes were selected. Toothpaste slurries were prepared at a ratio of 1:2, 1:3, 1:10 and 1:30 (w/w). The immobility/mortality test was carried out on Artemia salina L. The root growth test was carried out on Allium cepa L. pH of the slurries were determined.

http://dx.doi.org/10.21577/0100-4042.20240078

Publicado online: outubro 30, 2024
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Educação Quim. Nova 2024, 47(9), e-20240048, 1-4

 

Mechanochemistry applied to the synthesis of 2-phenylimidazo[1,2-α]pyridine as a teaching tool for green chemistry

José S. S. Neto; Leonardo Victor E. Guimarães; Filipe T. Coelho; Luciano M. Lião*; Felipe L. Coelho*


Green chemistry principles are introduced to undergraduate students as an experimental class applying mechanochemistry to prepare both 2-bromoacetophenone and 2-phenylimidazo[1,2-α]pyridine through manual grinding and vortex mixing.

http://dx.doi.org/10.21577/0100-4042.20240048

Publicado online: maio 9, 2024
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Quim. Nova 2024, 47(9), e-20240050, 1-12

 

Educação química para um futuro sustentável: desvendando a cinética química da pirólise do resíduo da cultura de pimenta-do-reino (Piper Nigrum L.) para a potencial produção de bio-óleo

Gyovana L. Welsing; Bruna M. Damm; Maria F. F. Lelis*; Marta A. MachadoI; Paulo R. G. Moura


Biomass is a promising raw material for energy generation and is relevant to be used in chemistry education by enabling the discussion about sustainable development goals (SDGs). For higher education, it is recommended that planning and execution be based on problematized experimental activity (PEA).

http://dx.doi.org/10.21577/0100-4042.20240050

Publicado online: julho 2, 2024
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Quim. Nova 2024, 47(9), e-20240055, 1-5

 

Síntese sustentável do ácido L-piroglutâmico: experimento integrado de síntese orgânica e estereoquímica

Fernando Alves BarrettoI; Leonardo AntonelliI; Silvio CunhaI,II,*


(S)-Pyroglutamic acid solvent-free synthesis in undergraduate experimental classes to reinforce sustainable preparation and understanding of properties of chiral compounds in the solid state.

http://dx.doi.org/10.21577/0100-4042.20240055

Publicado online: agosto 16, 2024
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Quim. Nova 2024, 47(9), e-20240058, 1-10

 

Sustentabilidade e ODS nas páginas: uma análise de conteúdo dos livros didáticos do PNLD 2021 no contexto da química

Iasmyn P. SilvaI; Kleber M. L. FerreiraII; Paula S. PintoI; Tamyris T. da CunhaII,*


Qualitative research employing Bardin's content analysis methodology: this study delves into the approach of Sustainability and Sustainable Development Goals (SDGs) in textbooks of Natural Science area, specifically within Chemistry context.

http://dx.doi.org/10.21577/0100-4042.20240058

Publicado online: setembro 10, 2024
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Total access: 204

Assuntos Gerais Quim. Nova 2024, 47(9), e-20240049, 1-6

 

Sustainability, sustainable development, sustainable chemistry, and green chemistry: parallels and interconnections

Acacio S. de Souza*; Patricia G. Ferreira; Iva S. de Jesus; Alcione S. de Carvalho; Debora O. Futuro; Vitor F. Ferreira*


Sustainability, sustainable development, sustainable chemistry and green chemistry are very close and closely interconnected topics, but they present very different concepts.

http://dx.doi.org/10.21577/0100-4042.20240049

Publicado online: junho 28, 2024
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Total access: 354

Artigo Quim. Nova 2024, 47(10), e-20240061, 1-9

 

Estudo teórico e experimental de derivados de clorinas e bacterioclorinas visando a sustentabilidade

Andrés C. A. AcevedoI; Juliana K. BilhaI; Priscila R. M. PereiraI; Paula A. J. AraujoII; Marciana P. UlianaI,II,*


Theoretical calculations are tools in predicting sustainable photosensitizing molecules, synthesized derivatives of chlorins and bacteriochlorins. The theoretical data obtained with the Gaussian 09 software using density functional theory (DFT) are similar to experimental spectroscopic data.

http://dx.doi.org/10.21577/0100-4042.20240061

Publicado online: setembro 24, 2024
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Quim. Nova 2024, 47(10), e-20240062, 1-9

 

Development of a voltammetric method for the simultaneous determination of pesticides in surface water using a composite electrode

Gleiciane Barros Ferreira da SilvaI,II; Mateus Ferreira AmaralI; Felipe Perin BezerraI; Ailton José TerezoI; Marilza CastilhoI


Graphical abstract of composite electrode as electrochemical material for the simultaneous determination of pesticides in surface water and its oxidation behavior study.

http://dx.doi.org/10.21577/0100-4042.20240062

Publicado online: setembro 27, 2024
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Quim. Nova 2024, 47(10), e-20240063, 1-7

 

Vestígios do derrame de petróleo de 2019: avaliação da presença de hpa e btex em produtos de pesca

Crislaine F. BertoldiI; Rafael G. DolattoI; Luiz F. L. de OliveiraII; Lennon F. ReisII; Maria C. CanelaII; Julyanne T. B. de MéloIII; Abinoan da S. RodriguesIII; Ana P. PaimIII; Marco T. GrassiI,*


The contamination of ocean water with oil spills can be a potential problem for food security. The study investigated the presence of polycyclic aromatic hydrocarbons (PAH) and benzene, toluene, ethylbenzene, and xylene (BTEX) in fishes from the Brazilian coast and Rio de Janeiro (RJ) had the higher contamination among the samples.

http://dx.doi.org/10.21577/0100-4042.20240063

Publicado online: setembro 27, 2024
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Total access: 227

Quim. Nova 2024, 47(10), e-20240064, 1-11

 

Uso de coagulantes no tratamento de efluente de lavanderia hospitalar: a busca por processos físico-químicos sustentáveis visando remoção de poluentes e microrganismos patogênicos

Eduarda V. S. GomesI; Iramaia A. MoraesI; Felipe C. MazzaI; Fernanda R. C. DamascenoI,II,*; Juliana O. C. BrumI,III


Physico-chemical treatment of hospital laundry wastewater using aluminum sulfate, tannin and Moringa oleifera seeds aiming for the removal of pollutants and pathogens.

http://dx.doi.org/10.21577/0100-4042.20240064

Publicado online: setembro 30, 2024
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Total access: 207

Quim. Nova 2024, 47(10), e-20240065, 1-8

 

Explorando o mecanismo de degradação enzimática do poliuretano (PU) por meio das poliuretanases esterases A e B (PueA E PueB): uma abordagem integrada de docking, Dinâmica Molecular (MD) e QM/MM

Thiago Antonio Valdez GarciaI,*; José Fernando Ruggiero BachegaII,III; Paulo Augusto NetzI,*


Representation of the stages of the study of the enzymatic degradation of polyurethane (PU): (a) docking, (b) molecular dynamics and in (c) the free energy profile of the proposed reaction mechanism.

http://dx.doi.org/10.21577/0100-4042.20240065

Publicado online: outubro 8, 2024
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Quim. Nova 2024, 47(10), e-20240068, 1-7

 

Greenhouse gas emissions from constructed wetlands for anaerobic sludge treatment: effect of seasonality, plant species type, and sludge loading - a preliminary analysis

Diogo A. P. da SilvaI; Mateus P. MatosII; José Antônio Ribeiro de AraújoI; Thiago de A. NevesI,*


The dewatered sludge from the anaerobic reactor is directed to the reservoir, and subsequently, loading of the wetlands is carried out at different application rates.

http://dx.doi.org/10.21577/0100-4042.20240068

Publicado online: outubro 17, 2024
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Total access: 138

Quim. Nova 2024, 47(10), e-20240069, 1-9

 

Aplicação da lama de beneficiamento de rochas ornamentais como catalisador no processo foto fenton para a descoloração de corante em solução aquoso

Mayra N. MouraI; Ana C. S. CamposI; Victor L. O. NevesI; Victória P. PoloniniI; Jenifer R. AlmeidaI; Luma B. MagnagoI;
Sandra A. D. FerreiraI; Fabielle C. MarquesII; Marcos B. J. G. de FreitasI e Maria F. F. LelisI,*


This article presents the photocatalyst activity of abrasive mud waste on decolorization methylene blue dye in aqueous reaction medium with H2O2 and UV light from a source lamp put at 20 cm apart.

http://dx.doi.org/10.21577/0100-4042.20240069

Publicado online: outubro 18, 2024
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Total access: 126

Quim. Nova 2024, 47(10), e-20240070, 1-10

 

Rapid degradation of malachite green dye wastewater using H2O2 under recyclable silica/magnetic nanocatalyst

Jingheng Ning*; Rui Wei; Liming Sha; Chang Sun; Qunying Zuo; Dong-er Chen; Jiaqian Wei; Qiongcan Hu


The degradation of malachite green by H2O2 was enhanced by 179-fold when catalyzed by Fe3O4@SiO2, and at the same time, the catalytic degradation of malachite green could be stabilized in a wider pH range.

http://dx.doi.org/10.21577/0100-4042.20240070

Publicado online: outubro 22, 2024
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Quim. Nova 2024, 47(10), e-20240071,

 

Determinação por espectrometria de massas do potencial de bioacumulação de contaminantes emergentes em biofilme

Luana Mayumi Takahasi MarquesI,*; Gabriela ReichertII; Rebeca de Mello CesarIII; Thais Cristine Nastally CanoI;
Júlio César Rodrigues de AzevedoI,II


The graphic abstract represents the cycle from the entry of emerging contaminants into aquatic environments, sampling and separation of compounds by liquid chromatography coupled to mass spectrometry.

http://dx.doi.org/10.21577/0100-4042.20240071

Publicado online: outubro 22, 2024
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Quim. Nova 2024, 47(10), e-20240074, 1-9

 

Preparação de biocompósito à base de amido termoplástico reforçado com fibras de eucalipto: avaliação do efeito do tamanho das fibras nas propriedades mecânicas e de sorção

Luisa B. dos Santos; Tonny A. Moreira; Cleocir J. Dalmaschio; Marta A. Machado


Thermoplastic starch-based biocomposites, derived from cassava, reinforced with eucalyptus fiber were prepared by hot compression molding. Sample reinforced with larger fibers showed improvement in mechanical properties and reduced moisture/water sorption.

http://dx.doi.org/10.21577/0100-4042.20240074

Publicado online: outubro 25, 2024
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Quim. Nova 2024, 47(10), e-20240077, 1-9

 

Green chemistry: using more sustainable techniques to estimate the water quality of the Uberaba River using orbital optical sensors

Tatiane Carvalho MaedaI; Franciele Morlin CarneiroII; José Waldir de Sousa FilhoI; Luciano Shozo ShiratsuchiIII; Geoffroy Roger Pointer MalpassI,*


This study investigated the feasibility of estimating the water quality parameters of the Uberaba River by remote sensing, a more sustainable technique, since it does not generate waste like conventional chemical analyses.

http://dx.doi.org/10.21577/0100-4042.20240077

Publicado online: outubro 28, 2024
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Revisão Quim. Nova 2024, 47(10), e-20240066, 1-9

 

Multiresidue determination of pesticides in exotic fruits: a review of the analytical strategies and residue occurrence

Rafael Bel Prestes da Silva; Júlia Antunes de Oliveira; Cleusa Fátima Zanchin; Pimpernelli Jonco dos Santos; Osmar Damian Prestes; Renato Zanella


This review aims to provide an overview of the methods for determining pesticide residues in exotic fruits, focusing on the strategies employed by these methods and the occurrence of pesticide residues.

http://dx.doi.org/10.21577/0100-4042.20240066

Publicado online: outubro 10, 2024
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Total access: 149

Quim. Nova 2024, 47(10), e-20240079, 1-12

 

Biochar from lignocellulosic biomass: a sustainable circular economy approach for removing organic and inorganic contaminants

Rayanne O. Araujo; Otorvan C. dos Anjos; Luiz K. C. de Souza; Giovana A. Bataglion*


Biochar is derived from the thermochemical conversion of lignocellulosic biomass residues. The material is activated through a combination of chemical and physical processes to achieve desirable textural properties, making it an effective adsorbent for environmental remediation of both organic and inorganic contaminants.

http://dx.doi.org/10.21577/0100-4042.20240079

Publicado online: outubro 30, 2024
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Total access: 110

Educação Quim. Nova 2024, 47(10), e-20240060, 1-8

 

Educación sostenible y salud humana en la sociedad: reflexiones sobre la influencia de la química verde pospandemia

Romina A. Arreche; Patricia G. Vázquez*


This work will focus on Sustainable Development Goals 3 and 4, respectively, which will be achieved if citizens have a sustainable education. This plays an important role in having a healthy life.

http://dx.doi.org/10.21577/0100-4042.20240060

Publicado online: setembro 18, 2024
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Total access: 164

Quim. Nova 2024, 47(10), e-20240067, 1-11

 

Abordagem da educação ambiental no ensino de química: uma análise a partir de artigos publicados na Revista Química Nova na escola (QNEsc)

Sergiana S. de Oliveira AprigioI; Maria Vitória L. NascimentoI; Leonardo B. CantanhedeI,*; Severina C. da Silva CantanhedeII;
Osiel C. da Trindade JuniorI; Douglas R. e Silva BarbosaI; Lidiane da Silva AraújoI


Teaching chemistry as a tool for sustainability based on discussions of environmental chemistry in the classroom: challenges and achievements in 27 years of disseminating research in chemical education through the journal Quimica Nova na Escola (QNESc).

http://dx.doi.org/10.21577/0100-4042.20240067

Publicado online: outubro 15, 2024
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Errata Quim. Nova 2024, 47(10), e-20240072, 1

 

Errata


http://dx.doi.org/10.21577/0100-4042.20240072

Publicado online: outubro 31, 2024
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On-line version ISSN 1678-7064 Printed version ISSN 0100-4042
Química Nova
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