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Século XXI e as diversas linguagens que nos permeiam ainda não foram suficientemente discutidas em suas respectivas esferas. Nas suas atmosferas mais significativas e específicas. Em outras palavras: ainda há muitos resquícios de incompreensão face ao papel e objetivos de cada linguagem. Precisamos lembrar, acima de qualquer coisa, que cada linguagem possui suas limitações, assim como suas possibilidades. Todas as linguagens, isto é, a musical, a do cinema, a teatral e tantas outras que nos rodeiam deveriam ser consideradas sem hierarquia. Ressaltamos que todas as linguagens possuem um certo grau de débito em relação aos signos que as representam. Não existe linguagem perfeita e...
esta obra propõe que experimentações de formas cênicas contemporâneas em contextos educativos busquem manter vivas as forças dos saberes e das práticas imanentes às experiências da cultura popular – forças vitais que são costumeiramente alijadas dos ditos processos educativos, ao serem dizimadas pelos imperativos da construção de um sujeito do conhecimento obediente aos ditames da razão cartesiana, ou ainda, instrumental. Nesse sentido, os pesquisadores que aqui figuram entendem ser necessária a composição de uma ecologia dos saberes no intento de tornar inoperante o desejo de manutenção do epistemicídio que não tem cessado de vencer. No limite, a publicação anuncia a possibilidade da pesquisa científica ser entendida também como via para a criação artística – um exercício que tem sido empreendido por boa parte das pesquisas do grupo PERFORMATIVIDADES E PEDAGOGIAS.
This expansive and practical textbook contains organic chemistry experiments for teaching in the laboratory at the undergraduate level covering a range of functional group transformations and key organic reactions.The editorial team have collected contributions from around the world and standardized them for publication. Each experiment will explore a modern chemistry scenario, such as: sustainable chemistry; application in the pharmaceutical industry; catalysis and material sciences, to name a few. All the experiments will be complemented with a set of questions to challenge the students and a section for the instructors, concerning the results obtained and advice on getting the best outcome from the experiment. A section covering practical aspects with tips and advice for the instructors, together with the results obtained in the laboratory by students, has been compiled for each experiment. Targeted at professors and lecturers in chemistry, this useful text will provide up to date experiments putting the science into context for the students.
Biopolymer Membranes and Films: Health, Food, Environment, and Energy Applications presents the latest techniques for the design and preparation of biopolymer-based membranes and films, leading to a range of cutting-edge applications. The first part of the book introduces the fundamentals of biopolymers, two-dimensional systems, and the characterization of biopolymer membranes and films, considering physicochemical, mechanical and barrier properties. Subsequent sections are organized by application area, with each chapter explaining how biopolymer-based membranes or films can be developed for specific innovative uses across the health, food, environmental and energy sectors. This book is a v...
This book addresses chemical and biological aspects related to sesquiterpene lactones (STLs). Experts in different fields have been invited to contribute on this class of compound's chemistry, isolation and identification, biological activities (antibacterial, antifungal, antiviral, antitrypanosomal, antileishmanial,antiplasmodial, antiproliferative and antiinflammatory), synthesis, biosynthesis, derivatization and QSAR analysis. Taxonomic and chemotaxonomic aspects related to the Asteraceae family are also contributed. The book begins by describing the chemical characteristics of STLs, their classification in different skeleton types, synthesis, distribution in nature and their most importa...
Leishmaniases are a group of tropical diseases that affect millions of people worldwide. They are considered neglected diseases prevalent in emerging countries in Latin America, West Africa, and Southeast Asia and still occurring in Mediterranean countries. There is no human vaccine available to prevent and control the disease infection. For the last 70 years, the available chemotherapy has been constituted by first-line (pentavalent antimonials) and second-line drugs (amphotericin B, pentamidine, paramomycin, and miltefosine). Its route of administration is difficult, the treatment is long, and its efficiency varies depending on the parasite species and clinical manifestations, which results in the emergence of resistant cases. Moreover, they present high toxicity to patients, and even some less toxic formulations available, are still expensive for the poorest countries’ vulnerable populations. This often leads to abandonment and failure of treatment. The medical-scientific community is facing difficulties to overcome these issues with new suitable therapies, and the identification of new drug targets. So, it means that efforts to identify new strategies must continue.
The COVID-19 pandemic has altered almost every aspect of the world, including economics, social issues, health care, and politics. Many experts consider this phenomenon to be a "syndemic," as it is more than just an outbreak of a viral infectious disease. Almost all countries worldwide have been deeply involved in the battle since the early months of 2020. As of June 2023, almost 700 million people have been infected, with reportedly 6.9 million deaths (around 1%) recorded globally due to COVID-19. These profound changes have had an adverse impact on healthcare systems worldwide. The healthcare industry has evolved to screen, diagnose, and treat COVID-19 patients promptly and cost-effectivel...