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Cálculos básicos da química
Neste livro, os autores abordam de maneira um pouco diferente os cálculos químicos mais simples utilizados no dia a dia por profissionais diversos, bem como estudantes do Ensino Médio, de cursos técnicos e de cursos universitários introdutórios. O destaque está no fato de os cálculos serem realizados pelo Método de Análise Dimensional, que ainda é pouco utilizado em nosso país. Optou-se por esse método porque ele requer que, necessariamente, as diferentes grandezas sejam corretamente expressas. A correta operação com grandezas ("Álgebra de Grandezas") facilita o raciocínio e permite compreender melhor as etapas envolvidas em cada tipo de cálculo. Além disso, e na medida do...
Educational Contexts and Borders through a Cultural Lens
This book provides a “context” of discussion for researchers and educational experts in order to rethink the relationship between actors, practices and borders within the educational contexts. The research in educational psychology has often challenged the concept of “educational context”. According to the different theoretical frameworks, the construct of contexts, their borders and the dimensions to be taken into account have all been defined in different ways. The book offers a reflection that goes from theory to practice and backward from practice to theory. The main research questions the book addresses are how actors, i.e. teachers, parents and students, educators and professio...
Strategies in the drug discovery and development for leishmaniasis: immunomodulators, natural products, synthetic compounds, and drug repositioning
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.
Studies in Natural Products Chemistry
Natural products play an integral and ongoing role in promoting numerous aspects of scientific advancement, and many aspects of basic research programs are intimately related to natural products. With articles written by leading authorities in their respective fields of research, Studies in Natural Products Chemistry, Volume 37 presents current frontiers and future guidelines for research based on important discoveries made in the field of bioactive natural products. It is a valuable source for researchers and engineers working in natural products and medicinal chemistry. Describes the chemistry of bioactive natural products Contains contributions by leading authorities in the field A valuable source for researchers and engineers working in natural product and medicinal chemistry
Leishmaniasis
Of all the parasitic diseases, leishmaniasis is one of the most diverse, with a variety of manifestations, from relatively minor cutaneous lesions to deadly visceral infections. It is also widespread, causing human disease in the Americas, Asia, Europe and Africa. The environments in which this disease occurs range from desert to tropical jungle to urban habitats. Not surprisingly, the literature on this disease is written in a variety of languages including Portuguese, Arabic, English and French among others. This book provides a synopsis in English of much of the recent research on leishmaniasis, with a focus on the epidemiology, diagnosis and treatment of the disease as described by researchers around the world, but with a focus on the research from Brazil and the Middle East.
Natural Molecules in Neuroprotection and Neurotoxicity
Natural Molecules in Neuroprotection and Neurotoxicity brings together research in the area of natural compounds and their dual effects of neuroprotection and neurotoxicity when interacting with brain cells. This book is organized into four sections that address molecular mechanism underlying neuroprotection and neurotoxicity, neuroprotection mediated by natural molecules, neurotoxicity induced by natural compounds and nanotechnology-related strategies utilized in neuroprotection. Written by well-known researchers all over the world, chapters provide an in-depth analysis of numerous molecules, such as algae, plant and fungus-derived molecules, and comprehensively discuss their mechanisms of ...
Introdução à química experimental
Introdução à Química Experimental é um livro destinado a cursos universitários e técnicos de nível médio que incorpora novos e importantes aspectos do trabalho em laboratório, tornando a obra mais atual em consonância com princípios de boas práticas de laboratório, isto é, experimentos mais seguros e menos impactantes ambientalmente. Ao contemplar aspectos de segurança ocupacional e ambiental, os autores almejam inserir atitudes éticas na prática cotidiana dos alunos e não somente no discurso, colaborando para torná-los mais conscientes e comprometidos socialmente
The Country of Football
Brazil has done much to shape football/soccer, but how has soccer shaped Brazil? Despite the political and social importance of the beautiful game to the country, the subject has hitherto received little attention. This book presents groundbreaking work by historians and researchers from Brazil, the United States, Britain and France, who examine the political significance, in the broadest sense, of the sport in which Brazil has long been a world leader. The authors consider questions such as the relationship between soccer, the workplace and working class culture; the formation of Brazilian national identity; race relations; political and social movements; and the impact of the sport on social mobility. Contributions to the book range in time from the late nineteenth century, when the British first introduced the sport to Brazil, to the present day, as the 'country of soccer' prepares itself to host the 2014 World Cup, painting a vivid picture of the many ways in which soccer exists and functions in Brazil, both on and off the pitch.
