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Toxicology: What Everyone Should Know is an essential reference for anyone looking for an entry into this fascinating field of study. This innovative book describes important discoveries in toxicology through the ages, explores their historical and sociological impacts, and shows how they still influence recent, state-of-the-art developments. In addition, the book shows how these developments are extrapolated into public and political perceptions on risks and the regulatory consequences, emphasizing environmental issues, such as manmade and natural chemicals, their interaction and impact, nutrition, and drugs. Users will find a cutting-edge approach to nutritional and combinatorial toxicology, risk evaluation modeling and the benefits of chemicals exposure (nutrition versus man-made chemicals), environmental health, and legislative frameworks to control the public's chemical exposure. This is an essential reference for those looking for an introduction to toxicology, its past, and exciting future.--
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"Discusses the adverse toxicological effects of medical devices Covers a broad range of disease topics and disease specific implants Offers contributions from experts from across several disciplines"--
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Aflatoxins are a group of highly toxic and carcinogenic substances that occur naturally and can be found in food substances. Aflatoxins are secondary metabolites of certain strains of fungi Aspergillus flavus and Aspergillus parasiticus as well as the less common Aspergillus nomius. Aflatoxins B1, B2, G1, and G2 are the most important members, which can be categorized into two groups according to chemical structure. As a result of the adverse health effects of mycotoxins, their levels have been strictly regulated, especially in food and feed samples. Therefore, their accurate identification and determination remain a herculean task due to their presence in the complex food matrix. The great public concern and the strict legislation incited the development of sensitive analytical methods that are discussed in this book.
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Medical toxicology is a sub-branch of toxicology concerned with the diagnosis, management, and prevention of poisoning and other adverse effects of drugs, cosmetics, personal care products, occupational and environmental toxicants, and biological agents. Poisoning with drugs, herbs, venoms, and toxins is a significant global public health problem. Medical toxicologists are involved in the assessment and treatment of acute or chronic poisoning, substance abuse, adverse drug reactions, drug overdoses, envenomation, industrial accidents, and other chemical exposures. As such, there is a pressing need for safe and specific antidotes, as many antidotes currently in use have a relatively low margin of safety or therapeutic index. This book focuses on poisonings with drugs, venoms, toxins, interaction in clinics, antidotes, and forensics. It provides qualified scientific knowledge on different aspects of medical toxicology, drug and substance abuse, clinical interactions between drugs and herbs, antidotes, antidote networks, and forensic toxicology.
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Thousands of arthropod species, ranging from arachnids (spiders and scorpions) to hymenopterans (ants, bees, and wasps) and myriapods (centipedes), are venomous and use their venoms for both defense and predation. These venoms are invariably harmful to humans, and some may cause serious injuries, e.g., those from scorpions, spiders, and wasps. Arthropods' venoms are also known as rich sources of biologically active compounds and have attracted the attention of toxin researchers for years. In this century, venom component analysis has progressed considerable due to the advances in analytical techniques, in particular, mass spectrometry and next-generation deep (DNA and RNA) sequencing. As such, proteomic and peptidomic analyses using LC-MS have enabled the full analysis of venom components, revealing a variety of novel peptide and protein toxins sequences and scaffolds, potentially useful as pharmacological research tools and for the development of highly selective peptide ligands and therapeutic leads, like chlorotoxin. Due to their specificity for numerous ion-channel subtypes, including voltage- and ligand-gated ion channels, arthropod neurotoxins have been investigated to dissect and treat neurodegenerative diseases and control epileptic syndromes. This Special Issue collects information on such progress, encouraging contributions on the chemical and biological characterization of venom components, not only peptides and proteins, but also small molecules, their mechanisms of action, and the development of venom-derived peptide leads.
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In a context where we are increasingly able to detect and quantify contaminants and highlight their effects on organisms, what can ecotoxicology contribute today? A better understanding of the problems linked to contaminants, which could lead to overprotective measures? Or a better understanding of the mechanisms and processes involved to better manage the ecotoxicity of substances in the environment? This book addresses the major current approaches in ecotoxicology through open questions that readers who are curious to learn more about this discipline or, more generally, who are concerned about environmental issues, may ask themselves. The answers to these questions provide an overview of the main notions of ecotoxicology and the main associated concepts, and explain the changes that have transformed the traditional approaches to this science into a more holistic approach that takes into account the complexity of real-life conditions. Focusing on ecotoxicological processes and mechanisms enables the causal relationships between the presence and ecotoxicity of contaminants to be addressed, both in terrestrial and aquatic environments. The pursuit of progress in ecotoxicological science is now a major challenge in accounting for the relationship between health and the environment (Eco-Health concept).
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