Anni C. S. Gomes; Antonio J. Demuner*; Bryan N. S. Pinto; Elson S. Alvarenga
Norbornadiene (NBD) is versatile molecule. From 1950 to the present day, to solar energy to agrochemicals, NBD has proven to be a molecule with many applications in chemistry.
André L. SquissatoI; Augusto T. S. del ClaroI; Riad D. LourençoII; Alexandre M. FiorotoIII; Angerson N. NascimentoII,*; Rodrigo A. A. MuñozI,*
We show that commercially-available temporary adhesive tattoos, including those packaged with bubble gums, present bioaccessible elements.
Juliana Gomes PimentelI; Olga Reinert Ramos GandolfiII; Vanessa Santos SampaioI; Lizzy Ayra Alcântara VeríssimoIII; Luciano Brito RodriguesIV; Cristiane Martins VelosoV; Rafael da Costa Ilhéu FontanIV; Renata Cristina Ferreira BonomoIV,*
Short chain alcohols (B) are infinitely soluble in water (C). Adding inorganic salt (A) increases the polarity of this aqueous phase, separates the organic constituent of this phase, making it an excellent component in the extraction of organic substances, such as textile dye.
Lianne Maria M. DiasI,*; Maria Vitória R. da SilvaI; Kelson do Carmo F. FaialII; Neuton T. Vasconcelos JuniorII; Raimunda F. S. MaiaI; José Antonio S. SouzaI; Emanuel Negrão MacedoI
Determination of potentially toxic metals in slurry sampling in Solid Waste Disposal area by Inductively coupled plasma atomic emission spectrometry technique.
Eduardo Vivian MasettoI; Ana Claudia LazarotoI; Giovanna OleinikI; Fernanda Oliveira LimaI; André Lazarin GallinaII; Letiére C. SoaresI,*
Biodiesel when exposed to heat, metals, oxygen and other factors triggers the biofuel's oxidation reaction. In this work, alkyl salicylates were used to inhibit the biodiesel oxidative process by exposure to heat, copper and iron.
Mayara Q. Savioli*; José R. R. Bortoleto
The search for renewable products brings concern to the polymer's segment due difficulties to replace the synthetic raw materials. This research shows a possible solution to replacement of synthetic polyol by a natural polyol, castor oil, for the manufacturing of cured polyurethanes.
Juan R. S. BenattiI,*; Pedro J. Pérez-MartínezI; Regina M. MirandaII
Automotive vehicles are one of the main sources of PM2.5. This PM2.5 contains several trace elements, which can result from either exhaust or non-exhaust emissions. Determining the emission factors of these elements helps in the decision making aimed to improve air quality.
Patricia Santana Oliveira de Souza; Micheline Thais dos Santos; Rejane Gonçalves Monteiro; Maria Tamires Alves Espindola; Helter José Silva de Souza; Amanda Lins Bispo Monteiro; Celso de Amorim Camara; Tania Maria Sarmento Silva*
Eugenia uniflora (pitanga) flowers are rich in flavonoids and tannins.
Roseana A. R. MeirelesI; Lucas S. AbreuII; Joanda Paolla R. e SilvaI; Andreza B. S. CavalcantiI; Renata Priscila B. de MenezesI; Gabriela Cristina S. RodriguesI; Valnês S. Rodrigues JuniorIII, IV; José Iranildo M. de MeloV; Massuo Jorge KatoVI; Vicente Carlos de O. CostaI; Marcus Tullius ScottiI; Josean F. TavaresI,*
The phytochemical study of the roots of Euphorbia phosphorea Mart. (Euphorbiaceae) resulted in the isolation of ten ent-abietane diterpenes submitted to investigation of their antimycobacterial activity.
Hans R. Zamora-ObandoI; Adriana T. GodoyI; Alan G. AmaralI; Alessandra de S. MesquitaI; Bruna Eduarda S. SimõesI; Heloise O. ReisI; Isabela RochaI; Matheus DallaquaI; Mariana BaptistãoI; Milena Cristina V. FernandesI; Monica F. LimaI; Ana Valéria C. SimionatoI, II,*
Currently, clinical research uses biological models and advances in chemical analysis platforms to identify compounds (biomarkers) that better understand the disease and generate diagnostic and therapeutic advances to improve people's quality of life.
Camila FlorencioI; Ricardo Bortoletto-SantosI, II; Camila P. FavaroI, III; Mariana G. BrondiI, III; Camila C. V. VellosoI, III; Rodrigo KlaicI; Caue RibeiroI; Cristiane S. FarinasI, III,*; Luiz H. C. MattosoI
Biofertilizers/microbial inoculants are potential alternatives for sustainable agriculture and the development of new formulations is a crucial step for the success of these bioproducts.
Graciela Granados Guzmán; Blanca Alicia Alanís Garza; Rocío Castro Ríos; Noemí Waksman Minsky; Ricardo Salazar Aranda*
α-Amylase catalyzes the cleavage of the α-D-(1-4) glycosidic bond in starch to produce reducing sugars. Reducing sugars reduce the aldehyde group of 3,5-dinitrosalicylic acid (DNS) to form 3-amino-5-nitrosalicylic acid (ANSA).
Daniel Aparecido Pires; Henrique José da Silva; Lucas Alonso Rocha; Eduardo José Nassar*
Temperature effect on structure and properties of the chemical substance. Development of the accessory using Peltier principle, this system can be used to identify the degradation in function of the temperature to low cost.
Rosivaldo S. BorgesI,*; Wanda S. CostaI; Ellen P. C. GurrãoI; Luiz H. C. HolandaI; Alanna C. L. F. SousaI; Joyce K. L. ValeI; Cláudio N. AlvesII; Albérico B. F. da SilvaIII
Paracetamol is an analgesic and antipyretic related to liver toxicity. The metabolism and chemical intermediates are involved in its side effect. These mechanisms were evaluated using theoretical and experimental approaches. All results can be applied on pharmaceutical chemistry teaching.
Carlos Alberto RiosI; André Marcelo de SouzaII; Ronei Jesus PoppiI, +; Márcia Cristina BreitkreitzI,*
The mixtures of olive oil with soybean oil were prepared and digital images were collected. Based on the images and using univariate and multivariate approaches, analytical curves were constructed and these were used to predict the percentage of olive oil in commercial samples.
Giuliana C. de Souza; Luciano R. Bastos; André G. H. Barbosa*
In the graph above It is remarked that while the "real referent" and "scientific meaning" are actually independent of any particular language, the "orthographic signs", in written and spoken forms, are always language dependent.
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