This book addresses a diverse set of topics regarding phosphorus chemistry, namely phosphates and closely related chemical systems. Divided into two sections, chapters cover such topics as phosphate dynamics and phosphates in biomaterials. This volume is a useful reference for scholars and researchers and will inspire readers to make future discoveries in the field.

Mineralizing Vesicles: From Biochemical and Biophysical Properties to Their Roles in Physiology and Disease presents the state-of-the art in the properties of mineralizing EVs and their potential clinical applications. The first chapter presents foundational biochemical and biological aspects of EVs. Next, the title coves the role of EVs in bone ossification and in cardiovascular and cartilage-related diseases. Considering the unique ability of this class of EVs to form apatite minerals assigned to their special biochemical machinery, three chapters of the book then focus on the enzymes catalysing the inorganic phosphate and calcium turn-over and the dynamic properties of the vesicles' peripheral proteins. Chapters describe the role of inorganic phosphate and calcium ions and of autophagy on the biogenesis and function of mineralizing EVs. Recent studies show that the lumen of mineralizing EVs is partially filled with miRNA, and a chapter therefore considers research on the possible function of these vesicles as signalosomes. The final five chapters of the book describe practical aspects of working with mineralizing EVs, including their purification, proteomic and biophysical analyses, the use of biomimetic models and mineralizing EVs in regenerative medicine. This title presents, for the first time, a comprehensive account of mineralizing EVs and their potential clinical applications. It will be invaluable to researchers in the field. • Covers all aspects of mineralizing EVs, from their composition to their function in physiological and pathological processes, and their clinical potential• Presents mineralizing EVs systematically using clear accessible language• Describes practical aspects of working with mineralizing EVs• Integrates an account of the biochemistry and biophysics of vesicles with their functions• Takes a multidisciplinary perspective, offering an exhaustive and cutting-edge account of mineralizing EVs and human health

First published in 1944, Orban's Oral Histology and Embryology has become the classic text forsuccessive generations of dental students. While retaining the same fundamentals and lucid writing style, Orban's Oral Histology, Embryology and Physiology now in 16th edition reflects the current advances and latest curriculum offered in Indian universities. In this edition, all the chapters have been thoroughly revised and updated discussing biological aspects of oral tissues and emphasizing the clinical relevance of oral histological aspects.Salient Features• New chapters: Saliva, Mastication, Deglutition, Physiology of taste, Speech, Orofacial pain, Calciumand phosphorus metabolism and Theories of mineralization of hard tissues• New topic: Stem cells and their application in dentistry• Online audiovisual guide and Image labeling exercises for ease of understanding oral histology slides• New diagrams to explain difficult textual contentNew to this Edition• Comprehensive oral physiology in eight additional chapters• Learning objectives outlined at the beginning of each chapter for reader to know what is expectedfrom him• Recall of important content of all chapters through Mind Maps and Summary• Multiple Choice Questions in two levels of difficulty and Review exercises for self-appraisal

Here is a fascinating reader-friendly exploration of “the phosphorus enigma.” The volume attempts to answer the questions: How did phosphorus atoms, which are produced inside the inner cores of a handful of huge stars, become concentrated in relatively high proportions in the organisms composing Earth’s biosphere? And how did these phosphate derivatives manage to be included in such a great variety of organic molecules playing essential biochemical roles in all known life forms? Due to the interdisciplinary nature of the topic, the volume is arranged in three sections. The first section introduces the fundamental concepts and notions of physics, chemistry, and biology necessary for the proper understanding of the topics discussed within an astronomical framework. The author then focuses on the role of phosphorus and its compounds within the context of chemical evolution in galaxies, considering its relevance in most essential biochemical functions as well as its peculiar chemistry under different physicochemical conditions. The third section provides an overall perspective on the role of phosphorus and its compounds in current areas of research of solid state physics, materials engineering, nanotechnology or medicine.

Due to a great chemical similarity with the biological calcified tissues, many calcium orthophosphates possess remarkable biocompatibility and bioactivity. Materials scientists use this property extensively to construct artificial bone grafts that are either entirely made of or only surface-coated with the biologically relevant calcium orthophospha

Inorganic polyphosphates - polymers of orthophosphate linked by high-energy phosphoanhydride bonds - have been found in apparently all forms of life, from bacteria, yeasts and fungi to higher plants and animals. These polymers, which had been neglected for a long time, have become a fascinating area of research in the last few years. This volume summarizes the present state of knowledge about the metabolism and function of inorganic polyphosphates. In addition, the methods to study these polymers as well as the biotechnological applications of inorganic polyphosphates are described. The 15 chapters of this volume, dealing with different aspects of polyphosphate research, are written by experts in the field. This book represents a valuable source of information not only for researchers working on this subject, but also for scientists interested in fundamental aspects of cell and energy metabolism.

Strong non-ionic bases are highly advantageous as stoichiometric reagents and as catalysts in synthetic organic chemistry owing to side reactions that f- quently occur when ionic bases such as LDA or alkali metal alkoxides are employed. A second reason that non-ionic bases are frequently more useful in these applications is that such bases are often more soluble in less polar organic solvents, particularly at low temperatures. Thirdly, non-ionic bases can provide reactive naked or tightly associated deprotonated substrate anions that are s- bilized by the relatively large, poorly solvated cations formed by the protonated base. In such cations, extensive positive charge delocalization can occur. Prior to our work on pro-azaphosphatranes of type 1 (Scheme 1), the very strong n- ionic bases utilized for organic transformations were largely confined to the nitrogenous bases shown below (Scheme 2). Scheme 1 Scheme 2 4 J.G. Verkade 2 Uses of Strong Nonionic Nitrogen Bases 2. 1 Amines One of the earliest strong non-ionic bases to make its appearance was Proton Sponge and its derivatives [1] and these systems have been reviewed [2]. More recently Proton Sponge has been used in the palladium-catalyzed arylation of 2,3-dihydrofuran [3], and it also catalyzes Knoevenagel condensations of s- strates possessing activated methylene groups [4]. Recently the synthesis of the macrocyclic tetramine below (Scheme 3) was reported [5]. The encrypted nitrogens are very basic (pK,24.

Undoubtedly the chemistry of phosphorus appears more and more attractive in the sense that phosphorus presents an extraordinary versatile behaviour that allows the synthesis of a large number of different phosphorus reagents usable for applications in different fields, from biology to material science without f- getting key applications in catalysis. The full maturity of this topic of research can be explained by all the acquired knowledge over these twenty last years. Organic and inorganic chemistries of P , P and P species have been the s- in ]V v ject of thousands of publications while the chemistry of low coordinated ph- phorus derivatives experienced its hour of glory from the 1970s to the early 1990s. In parallel, interactions between phosphorus compounds and transition metals afforded many complexes, a lot of which present fascinating properties as catalysts. The interest in all these themes really is not decreasing, indeed some fas- nating areas of research are emerging or are the subject of many investigations: the medicinal chemistry of bisphosphonates, the role of phosphorus in biology, phosphorus ligands in radiopharmaceutical chemistry, phosphorus in material science, new polymers and dendrimers incorporating phosphorus, and as- metric catalysis to name but a few. Indeed researchers, benefitting from their background in basic phosphorus chemistry are developing many new fields of research.

Phosphorus chemistry is a diverse field and this volume focuses on new developments of "old themes" with different approaches and ideas, state of the art for two topics of general interest, and the emerging fields of research. This volume only describes in part the huge number of original papers on phosphorus-related topics.