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Production of nanomaterials has been constantly evolving over the last few years for manifold applications in electronic, optical and biomedical fields. As a result, exposure towards nanoparticles in the workplace environment is increasing, while respective occupational exposure limits are lacking. The Deutsche Forschungsgemeinschaft's Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK Commission) recognized the importance of a scientifically based approach to the risk assessment of nanoparticles at the workplace and in 2009 established the ad-hoc working group ?Nanoparticles'. Its task was to review the current database available for risk assessment for nanoparticles, to identify relevant endpoints of toxicological concern and to define open questions for future research. This report contains overviews on the important toxicological aspects of the nanoparticles and a summary and conclusions of the discussions that took place during the meetings of the ad hoc working group ?Nanoparticles'.
Provides a complete understanding of how our bodies respond to toxicants, and the principles used to assess the health risks of specific exposure scenarios Toxicology and Risk Assessment: A Comprehensive Introduction, Second Edition reflects recent advances in science and technology, and provides the scientific background and methodological issues to enable the reader to understand the basic principles in toxicology and to evaluate the health risks of specific exposure scenarios. Completely updated with the latest information, this book offers a concise introduction to the subject. It is divided into five sections: Principles in Toxicology, Organ Toxicology, Methods in Toxicology, Regulatory...
During the past few years, major scientific discoveries have greatly contributed to our understanding of the relationship between metals and genetics. The fields which have contrib uted to this area range from Clinical Medicine and Genetics to Biochemistry and Chemistry. The aim of this book is to bring together investigators from these diverse fields to reflect on the broad implications of direct and indirect interactions of metals and genetic components. The volume begins with a tribute to the late Karen Wetterhahn, an outstanding scien tist in the field, who will be sadly missed by her friends and colleagues because of her un timely death. The book has 28 chapters contributed by scientist...
Math coach, Kassia Omohundro Wedekind and literacy coach, Christy Hermann Thompson, have spent years comparing notes on how to build effective classroom communities across the content areas. How, they wondered, can we lay the groundwork for classroom conversations that are less teacher-directed and more conducive to student-to-student dialogue? Their answers start with Hands-Down Conversations, an innovative discourse structure in which students' ideas and voices take the lead while teachers focus on listening and facilitating. In addition to classrom stories and examples, Christy and Kassia provide 28 micro-lessons designed to help K-5 students develop and excercise their speaking and liste...
"This study explores the language of canon law, the legal order of the Roman Catholic Church. It seeks to bring the language of canon law into the law and language debate and in doing so better understand how the Roman Catholic Church communicates as a legal institution. It ex-amines the function of canon law language in ecclesiastical communications. It studies the character of canonical language, the grammar and terminology of canon law, and how it makes use of linguistic tricks and techniques to create its typical sound. It discusses the com-prehension difficulties that arise out of ambiguities in the law, out of transfer problems be-tween legal and common language, and out of canon law's...
Die zunehmende klinische Bedeutung der essentiellen Spurenelemente und Mineralstoffe war Gegenstand der 23. Tagung der Gesellschaft für Mineralstoffe und Spurenelemente e.V. in Stuttgart. Neben den Spurenelementen Antimon, Jod und Cadmium lag der Schwerpunkt auf Selen. Die Ergebnisse klinischer Studien zeigen die Anwendbarkeit zur Mortalitätsreduktion bei Sepsis, zur Reduktion von Nebenwirkungen der Strahlentherapie von Patienten mit Cervix- oder Corpus uteri-Karzinomen, zur Abnahme von Autoimmunantikörpern und Verbesserung klinischer Beschwerden bei entzündlichen Autoimmunkrankheiten der Schilddrüse wie Hashimoto- Thyreoiditis, zum Rückgang des Weichteilödems bei Patienten mit postradiogenen oder postoperativen Ödemen im Bereich der Mundhöhle. Ein lesenswertes wissenschaftliches update der Mineralstoffe und Spurenelemente, das sich durch die große Zahl der Beiträge unterschiedlicher Autoren durch Lebendigkeit und Vielfalt auszeichnet.
Discusses natural law as a traditional but highly contested source of canon law.