Lignans are widely occurring plant compounds and are closely related to lignin, which forms the woody component of trees and other plants. The lignans are characterized by their dimeric composition from cinnamic acids, and they are attracting increasing attention as a result of their pharmacological properties. The volume surveys the chemical, biological and clinical properties of lignans as well as providing information on their isolation, purification, identification and chemical synthesis.
An authoritative introduction to the scientific principles underlying environmental pollution, this book covers the transport, toxicity, and analysis of pollutants and discusses the major types of contaminant chemicals. Students will gain an understanding of the scientific principles of pollution at the chemical level and be able to approach the contentious issues in a rational way. Taking a pollution oriented approach, the authors discuss legislative limits, analysis of metals, oestrogenic chemicals, indoor and vehicular pollution, pesticides, dioxin-like substances, and more.
A quick reference for information on chemicals of environmental importance, this dictionary has been carefully compiled and designed to make it useful for students. About 600 substances are covered in alphabetically arranged entries: these include some 70 pesticides. Entries vary in detail depending on individual aspects, but in general they include: composition/structure; physical propertied; sources; environmentally relevant reactions and pathways; detection; and toxic effects and regulatory limits. Many entries include short case histories. Immediately relevant sources are quoted for individual entries and a bibliography of principle publications and texts for further reading is included.
Of all the characters bequeathed to us by the Hebrew Bible, none is more compelling or complex than David. Divinely blessed, musically gifted, brave, and eloquent, David's famous slaying of Goliath also confirms that he is a redoubtable man of war. Yet, when his son Absalom rebels, David is dogged by the accusation than he will lose his kingdom because he is not merely a man of war, but a man of 'bloods' - guilty of shedding innocent blood. In this book, for the first time, this language of 'innocent blood' and 'bloodguilt' is traced throughout David's story in the books of Samuel and 1 Kings. The theme emerges initially in Saul's pursuit of David and resurfaces regularly as David rises and men like Nabal, Saul, Ishbosheth, and Abner fall. Innocent blood and bloodguilt also turn out to be central to David's reign. This is seen in a surprising way in David's killing of Uriah, but also in the subsequent deaths of his sons, Amnon and Absalom, his general, Amasa, and even in David's encounters with Shimei. The problem rears its head again when the innocent blood of the Gibeonites shed by Saul comes back to haunt David's kingdom. Finally, the problem reappears when Solomon succeeds David and orchestrates the executions of Joab and Shimei, and the exile of Abiathar. Attending carefully to the text and drawing extensively on previous biblical scholarship, David J. Shepherd suggests that innocent blood is not only a pre-eminent concern of David, and his story in Samuel and 1 Kings, but also shapes the entirety of David's history.
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