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Author : Margaret R. Christoffersen
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (962 download)
Download or read book Kinetics of Dissolution of Calcium Hydroxyapatite written by Margaret R. Christoffersen and published by . This book was released on 1984 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jørgen Christoffersen
Publisher :
ISBN 13 : 9788798161608
Total Pages : 62 pages
Book Rating : 4.1/5 (616 download)
Download or read book The Kinetics of Dissolution of Calcium Hydroxyapatite written by Jørgen Christoffersen and published by . This book was released on 1984 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (962 download)
Download or read book Kinetics of Dissolution of Calcium Hydroxyapatite written by and published by . This book was released on 1983 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : WING-KEE PHILIP CHO
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.3/5 (91 download)
Download or read book POWDER HYDROXYAPATITE DISSOLUTION KINETICS AND A STUDY OF EFFECTS OF DODECYLAMINE AND FLUORIDE. written by WING-KEE PHILIP CHO and published by . This book was released on 1983 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: wide ranges of partial saturation and calcium/phosphate ratios in the solution.
Author : Dwarika N. Misra
Publisher : Springer Science & Business Media
ISBN 13 : 1475790120
Total Pages : 182 pages
Book Rating : 4.4/5 (757 download)
Download or read book Adsorption on and Surface Chemistry of Hydroxyapatite written by Dwarika N. Misra and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydroxyapatite is the structural prototype of the main inorganic constituent of bone and teeth and, together with fluorapatite, is also one of the principal minerals in commercial phosphate ores. The adsorption characteristics and surface chemistry of hydroxyapatite are important in understanding the growth, dissolution and adhesion mechanisms of bone and tooth tissues and in elucidating the factors in mineral beneficiation such as floation and flocculation. This volume essentially documents the proceedings of the symposium on the same topic held at the American Chemical Society Meeting in Kansas City, MO, September 12-17, 1982. It includes a few papers which were not presented at the symposium but does not comprise the entire program. This volume provides, on a limited scale, a multidisciplinary overview of current work in the field of adsorptive behavior and surface chemistry of hydroxyapatite and includes certain review articles. There are two papers each on adsorption, adsorption and its effects on crystal growth or dissolution kinetics, effects of electrochemical parameters on solubility and adsorption, and newer physical methods (exoemission and high-resolution NMR) of examining hydroxyapatite surface. There is one paper each on structure modelling of apatite surface based on octacalcium phosphate interface and on biodegradation of sintered hydroxyapatite.
Author : MAW-SHENG WU
Publisher :
ISBN 13 :
Total Pages : 117 pages
Book Rating : 4.:/5 (682 download)
Download or read book KINETICS OF HYDROXYAPATITE DISSOLUTION AND INFLUENCES OF FOREIGN IONS UNDER SINK CONDITIONS.. written by MAW-SHENG WU and published by . This book was released on 1976 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marie Lo Re
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (254 download)
Download or read book The Crystallization and Dissolution Kinetics of Hydroxyapatite Using the Constant Composition Method written by Marie Lo Re and published by . This book was released on 1990 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : JEFFREY LEWIS FOX
Publisher :
ISBN 13 :
Total Pages : 403 pages
Book Rating : 4.:/5 (682 download)
Download or read book DIFFUSION CONTROLLED PROCESSES IN COMPLEX CHEMICAL SYSTEMS: DISSOLUTION KINETICS OF HYDROXYAPATITE. (VOLUMES I AND II). written by JEFFREY LEWIS FOX and published by . This book was released on 1977 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jørgen Christoffersen
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (962 download)
Download or read book Dissolution of Calcium Hydroxyapatite written by Jørgen Christoffersen and published by . This book was released on 1981 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.C. Elliott
Publisher : Elsevier
ISBN 13 : 148329031X
Total Pages : 404 pages
Book Rating : 4.4/5 (832 download)
Download or read book Structure and Chemistry of the Apatites and Other Calcium Orthophosphates written by J.C. Elliott and published by Elsevier. This book was released on 2013-10-22 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The apatites and related calcium phosphates have been of considerable interest to biologists, mineralogists, and inorganic and industrial chemists for many years. This book contains a detailed description of the structures and structural interrelationships of the calcium orthophosphates, including the apatites. Their preparation, crystal growth and dissolution, chemical reactions including thermal decomposition, IR, Raman and NMR spectra and various physical properties are discussed. Apatites other than those containing calcium and phosphorus are included. Synthetic, mineral and biological carbonate apatites are also considered. A wide, but critical coverage of the literature is given, which includes a substantial amount not written in English. Research from many disciplines is included which results in a comprehensive compilation of recent work.
Author : Hanadi Saud Lingawi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (835 download)
Download or read book Effect of Divalent Metal Cations on Hydroxyapatite Dissolution Kinetics Relevant to Dental Caries and Erosion written by Hanadi Saud Lingawi and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years there has been an increasing awareness of the influence of various trace elements on reducing the progression of dental caries and of erosion. However, there are few clinical and even fewer in-vitro studies of the cariostatic effect of some trace elements on the progression of dental caries. Further, there is currently no consensus on the underlying physico-chemical mechanism on the influence of trace elements on these processes. The aim of this study was to investigate the effect of three divalent cations; zinc (Zn2+), strontium (Sr2+) and copper (Cu2+), on the physical-chemistry influencing hydroxyapatite (HAp) dissolution kinetics, using scanning microradiography (SMR), under simulated cariogenic and erosive conditions relevant to the oral environment. Compressed and sintered porous HAp discs were used as model systems for dental enamel. These discs were exposed to demineralising solutions containing a range of concentrations of Zn2+, Sr2+ and Cu2+, and either 0.1% acetic acid at pH 4.0 resembling dental caries, or 0.3% citric acid at pH 2.8 resembling erosion conditions. SMR is a development of the photographic microradiography technique of mineral quantification by means of X-ray absorption, but allows real-time quantification measurement of the rate of HAp mineral loss (RDHAp). Sequential SMR experiments during which the HAp disc was exposed to demineralising solution, containing each cation in either increasing or decreasing concentration order (separated by 30 minutes of washing with de-ionised water) allowed evaluation of the persistence of the influence of the divalent cations being investigated. The results showed that all three divalent cations decreased RDHAp significantly under both investigated conditions but via two different mechanisms. It was proposed that Zn2+ and Cu2+ decrease the RDHAp through a surface controlled mechanism whereas Sr2+ decreases the RDHAp through a solid phase change. This information will be useful as part of the development of therapeutic products which include these ions for the prevention of dental caries and erosion.
Author : G. T. Hefter
Publisher : John Wiley & Sons
ISBN 13 : 0470864273
Total Pages : 658 pages
Book Rating : 4.4/5 (78 download)
Download or read book The Experimental Determination of Solubilities written by G. T. Hefter and published by John Wiley & Sons. This book was released on 2003-11-14 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: * Guidelines are provided on the reliability of various methods, as well as information for selecting the appropriate technique. * Unique coverage of the whole range of solubility measurements. * Very useful for investigators interested in embarking upon solubility measurements.
Author : Paul W. Brown
Publisher : CRC Press
ISBN 13 : 1351439499
Total Pages : 368 pages
Book Rating : 4.3/5 (514 download)
Download or read book Hydroxyapatite and Related Materials written by Paul W. Brown and published by CRC Press. This book was released on 2017-12-14 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Audience Applied biomathematicians, orthopedists, clinical orthopedists.
Author : MAHDI BAKIR FAWZI
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (682 download)
Download or read book KINETICS AND MECHANISM OF HYDROXYAPATITE DISSOLUTION IN PARTIALLY SATURATED ACIDIC BUFFERS.. written by MAHDI BAKIR FAWZI and published by . This book was released on 1975 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Z. Amjad
Publisher : Springer Science & Business Media
ISBN 13 : 1489914005
Total Pages : 356 pages
Book Rating : 4.4/5 (899 download)
Download or read book Mineral Scale Formation and Inhibition written by Z. Amjad and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book documents the proceedings of the symposium, "Mineral Scale Formation and Inhibition," held at the American Chemical Society Annual Meeting August 21 to 26, 1994, in Washington, D. C. The symposium, sponsored by the Division of Colloid and Surface Chemistry, was held in honor of Professor George H. Nancollas for his pioneering work in the field of crystal growth from solution. A total of 30 papers were presented by a wide spectrum of scientists. This book also includes papers that were not presented but were in the symposium program. The separation of a solid by crystallization is one of the oldest and perhaps the most frequently used operations in chemistry. Because of its widespread applicability, in recent years there has been considerable interest exhibited by academic and industrial scientists in understanding the mechanisms of crystallization of sparingly soluble salts. The salt systems of great interest in industrial water treatment area (i. e. , cooling and boiler) include carbon ates, sulfates, phosphates, and phosphonates of alkaline earth metals. Although not as common as calcium carbonate and calcium sulfate, barium and strontium sulfates have long plagued oil field and gas production operations. The build-up of these sparingly soluble salts on equipment surfaces results in lower heat transfer efficiency, increased corrosion rates, increased pumping costs, etc. In the laundry application, insoluble calcium carbonate tends to accumulate on washed fabrics and washing equipment parts, resulting in undesirable fabric-encrustation or scaling.
Author : F.C.M. Driessens
Publisher : CRC Press
ISBN 13 : 9780849352805
Total Pages : 448 pages
Book Rating : 4.3/5 (528 download)
Download or read book Biominerals written by F.C.M. Driessens and published by CRC Press. This book was released on 1990-09-26 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive analysis of biominerals, in particular phosphates and carbonates of calcium. The book begins with a discussion of the theories of solid state chemistry and thermodynamics of ionic solid solutions and applies these theories to show how physiological constituents like sodium, magnesium, carbonate, chloride, fluoride, lead, or strontium influence the formation, stability, and solubility of calcium phosphates. The results of this discussion are then applied to a critical evaluation of data regarding minerals in bone, dentin, and tooth enamel, their formation during growth and turn-over, their stability under physiological conditions and their breakdown under pathological conditions. These principles are also applied to pathological calcifications such as renal calculi, arterial wall calcifications, chondrocalcinosis, dental calculus and salivary stones. A similar approach is used as the authors discuss carbonations such as calcite, dolomite, and aragonite. The book also includes an extensive analysis of the advantageous effects of magnesium supplementation. The wealth of knowledge in this extensive treatise of biominerals is valuable to medical, dental and ecological biologists, as well as scientists and clinicians in the fields of osteoporosis, bone diseases, caries, renal stone disease, parodontology and nutrition.
Author : Petr Ptáček
Publisher : BoD – Books on Demand
ISBN 13 : 9535122657
Total Pages : 516 pages
Book Rating : 4.5/5 (351 download)
Download or read book Apatites and their Synthetic Analogues written by Petr Ptáček and published by BoD – Books on Demand. This book was released on 2016-04-13 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apatite-type minerals and their synthetic analogues are of interest of many industrial branches and scientific disciplines including material sciences, chemical industry, agriculture, geology, medicine and dentistry. This book provides a basic overview of general knowledges of this topic in order to provide the comprehensive survey from a scientific and technological perspective. The book is divided into 10 chapters, which are devoted to the structure and properties of minerals from the supergroup of apatite, experimental techniques of preparation and characterization of synthetic analogues of apatite minerals, substitution in the structure of apatite as well as utilization of these materials in wide range of common and special advanced applications in industry, material sciences and research. Additionally, the phosphate rocks, their classification, geological role, mining and beneficiation of phosphate ore, production of elemental phosphorus, phosphoric acid and fertilizers are also described. Although this book is meant for chemist, material scientist and research engineers, the individual chapters contain theoretical background, historical aspects as well as examples of synthetic and analytical methods which may be also interesting for students and non-expert readers as well.
