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Itens para a visualização no momento 32-51 of 84

    • Fatores que influenciam o balanço comercial de produtos fitossanitáros no Brasil 

      Gaban, Felipe Borghi (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/01/2024)
      Brazil is the second-largest consumer of agricultural pesticides in the world, only behind the United States. It is considered one of the major powers in the agricultural sector, with extensive areas dedicated to farming. ...

    • Fotocatálises e metodologias sintéticas via formação de complexos Doador-Aceptor de Elétrons (EDA) 

      Villela, Lucas Facuri (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 12/01/2021)
      Chemical transformations promoted by the irradiation of light have aroused the interest of the synthetic community since the beginning of the 20th century. However, due to the lack of appropriate technologies to perform ...

    • Um guia inicial para a eletrossíntese orgânica e seus conceitos básicos 

      Simoso, Guilherme Batista (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 06/09/2024)
      With the growth of industrial activities, in the 1940s, the debate and awareness about ecological issues began to emerge. In response, organizations started to alter their traditional production methodologies, adopting ...

    • Introdução ao planejamento de experimentos (Design of Experiments, DoE): conceitos básicos e aplicações 

      Hilário, Felipe Ferri (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/06/2021)
      Experiment design is a technique of experimental planning and data treatment that aims to properly visualize how the variables of an experiment affect the response. Through this technique it is possible to predict what ...

    • Linguagem R aplicada ao planejamento fatorial em química 

      Tobias Júnior, Neri Godoy (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/09/2022)
      The present work aimed to adapt the fabi_efeito and regression2 scripts from Octave/Matlab to the R language and apply them in the context of factorial design in chemistry using some examples, as well as using existing ...

    • Logística verde no transporte de carga no Brasil 

      Vieira, Letícia Borges (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/09/2024)
      The effects of climate change are being felt around the world. Caused by the emission of polluting gases into the atmosphere from anthropogenic activities such as the burning of fuels in transportation, industry, power ...

    • Machine learning em química orgânica 

      Chiavegatti Neto, Attilio (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/06/2020)
      The search for intelligent computational systems capable of solving problems that are traditionally reserved for the human mind are a long-standing crusade. Several attempts to solve problems such as structural identification ...

    • Máscaras e respiradores: uma revisão sobre suas características e seus impactos ambientais, e a influência da pandemia de COVID-19 

      Rocha, Thais Helena dos Santos (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/09/2021)
      The COVID-19 pandemic brought an unprecedented use of masks and respirators for the healthcare workers and population. World Health Organization estimated the monthly needs of 129 billion masks. In order to prevent the ...

    • Medicamentos genéricos e o perfil de dissolução comparativo 

      Santos Filho, Ivan José dos (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/05/2024)
      This study investigates the relevance of comparative dissolution profile in the evalu-ation of generic drugs in Brazil, focusing on ensuring therapeutic equivalence with their reference drugs. Initially, the regulatory ...

    • Membrana celulares modelo: uma revisão teórica 

      Paixão, Rafaela Ribeiro (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/08/2024)
      Knowledge about the cell membrane is extremely important as it is what divides the boundaries of the cell, separating the extracellular environment from the intracellular environment, and is responsible for the transport ...

    • Membrana de celulose bacteriana regenerada aplicada em embalagens de alimentos 

      Generoso, Amanda Lyane (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/12/2021)
      Traditional food packaging has the function of protecting and conserving as much as possible the packaged food against spoilage caused by damage environmental conditions, acting as an inert barrier, enabling its handling, ...

    • Membranas baseadas em látex de borracha natural e suas aplicações 

      Savarez, Thaiany (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/12/2021)
      The rubber tree (Hevea brasiliensis) is a native tree from Amazon, region of Brazil. It is responsible for the production of raw materials known as latex and natural rubber, products of great economic importance worldwide. ...

    • Métodos analíticos associados ao controle de qualidade de suco de laranja natural 

      Avi, Dayane Cristina de Freitas (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/03/2023)
      Over the years, food agencies, governments and the population itself have sought to consume and guarantee increasingly safe and nutritious food, which is guaranteed by law and which meets the requirements of certifications. ...

    • Microscopia eletrônica de varredura: aspectos instrumentais 

      Santos, Maria Júlia dos (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/01/2024)
      Scanning electron microscopy (SEM) arose from the need to characterize materials on the nanometer scale, considering that until then, optical microscopes could only achieve resolutions of the order of micrometers. Since ...

    • Modificação superficial de fosfatos de terras raras com funcionalização de ligantes orgânicos para aumento de eficiência luminescente na região do visível 

      Lopes, André Luis (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/09/2022)
      Introduction: Seeking a greater understanding of the interaction of light with matter, in order to develop new materials that present desirable properties and characteristics, this work sought to associate the unique ...

    • Nanopartículas metálicas: síntese em solventes eutéticos profundos e suas aplicações em eletroanalítica 

      Longatto, Gustavo Patelli (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/01/2024)
      In the field of nanotechnology, metallic nanoparticles stand out for their unique properties in relation to materials of similar composition but on micro or macrometric scales. Several studies have explored synthesis methods ...

    • Nitrosaminas em insumos farmacêuticos ativos 

      Rossoni, Carolina (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/01/2024)
      Since 1972, N-nitrosamines have been the subject of study in medication composition. However, in July 2018, the presence of the N-nitrosamine NDMA was identified in Valsartan, leading to the recall of this medication. ...

    • Oxidação foto-eletroquímica como rota alternativa para a produção de derivados da biomassa 

      Moreti, Lauren dos Santos (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/06/2021)
      The need of fossil fuel replacement as energy source is urgent. Once the solar light has high incidence on Earth, it can be used as an alternative energy source to be directly converted into electric energy or to be stored ...

    • Um panorama sobre a gestão e gerenciamento de resíduos químicos em algumas Universidades Brasileiras 

      Carvalho, Lorys (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2023)
      The theme, chemical residues, has been much discussed in recent years, mainly due to the environmental issue, causing several institutions moving to solve problems with their passive and active residues, which in large ...

    • Polímeros termorresponsivos: principais características do hidrogel e aplicações biomédicas 

      Arioli, Guilherme Augusto (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/09/2022)
      The need to improve efficiency in drug administration has resulted in incentives in scientific research for the development of new materials with biomedical applications that can act in vivo, allowing the release of drugs ...