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This report presents a cost analysis of Propylene Oxide (PO) production from chemical grade (CG) propylene and hydrogen peroxide. The process under analysis is similar to the hydrogen peroxide to Propylene Oxide (HPPO) process jointly developed by Evonik and Uhde. This report was developed based essentially on the following reference(s): US 20030092920, issued to Evonik Degussa GmbH in 2003 Keywords: Evonik, Degussa, Uhde, Oxidation, Epoxidation, HPPO
For the first time, the whole field of organoboronic acids is presented in one comprehensive handbook. Professor Dennis Hall, a rising star within the community, covers all aspects of this important substance class, including applications in chemistry, biology and medicine. Starting with an introduction to the structure, properties, and preparation of boronic acid derivatives, together with an overview of their reactions and applications, the book goes on to look at metal-catalyzed borylation of alkanes and arenas, coupling reactions and rhodium-catalyzed additions of boronic acids to alkenes and carbonyl compounds. There follows chapters on copper-promoted C-O and C-N cross-coupling of boronic acids, recent applications in organic synthesis, as well as alpha-haloalkylboronic esters in asymmetric synthesis. Later sections deal with cycloadditions, organoboronic acids, oxazaborolidines as asymmetric inducers, and boronic acid based receptors and sensors. The whole is rounded off with experimental procedures, making this invaluable reading for organic, catalytic and medicinal chemists, as well as those working in organometallics.
This book provides tabular and text data relating to normal and diseased tissue materials and materials used in medical devices. Comprehensive and practical for students, researchers, engineers, and practicing physicians who use implants, this book considers the materials aspects of both implantable materials and natural tissues and fluids. Examples of materials and topics covered include titanium, elastomers, degradable biomaterials, composites, scaffold materials for tissue engineering, dental implants, sterilization effects on material properties, metallic alloys, and much more. Each chapter author considers the intrinsic and interactive properties of biomaterials, as well as their appropriate applications and historical contexts. Now in an updated second edition, this book also contains two new chapters on the cornea and on vocal folds, as well as updated insights, data, and citations for several chapters.
Recognition receptors play a key role in the successful implementation of chemical and biosensors. Molecular recognition refers to non-covalent speci?c binding between molecules, one of which is typically a macromolecule or a molecular assembly, and the other is the target molecule (ligand or analyte). Biomolecular recognition is typically driven by many weak interactions such as hydrogen bo- ing, metal coordination, hydrophobic forces, van der Waals forces, pi-pi interactions and electrostatic interaction (due to permanent charges, dipoles, and quadrupoles) the polarization of charge distributions by the interaction partner leading to ind- tion and dispersion forces, and Pauli-exclusion-principle-derived inter-atomic repulsion, and a strong, “attractive” force arising largely from the entropy of the solvent and termed the hydrophobic effect. In recent years, there has been much progress in understanding the forces that drive the formation of such complexes, and how these forces are relate to the physical properties of the interacting molecules and their environment allows rational design of molecules and materials that interact in speci?c and desired ways. This book presents a signi?cant and up-to-date review of the various recognition elements, their immobilization, characterization techniques by a panel of dist- guished scientists. This work is a comprehensive approach to the recognition receptors area presenting a thorough knowledge of the subject and an effective integration of these receptors on sensor surfaces in order to appropriately convey the state-of the-art fundamentals and applications of the most innovative approaches.
This book provides a concise yet comprehensive summary of the current status of the field that guides patient management and stimulate investigative efforts. It is an easy reference for day-to-day anorectal pathology. The text reviews new testing procedures for anorectal diseases and provides new treatment options about anorectal disease both benign and malignant. All chapters are written by experts in their fields and include the most up-to-date scientific and clinical information. The text includes highly practical presentations of typical patients seen in the clinical practice of proctology in the form of case presentations with expert analysis and commentary. Example cases would include common but challenging cases such as an anal tumor, chronic anal pain and anal discharge. Anorectal Disease: Contemporary Management is a comprehensive, state-of-the-art review of this field and serves as a valuable resource for residents, clinicians, surgeons and researchers with an interest anorectal disease.
This report presents a cost analysis of Propylene Oxide (PO) production from chemical grade (CG) propylene and isobutane using a tert-butyl hydroperoxide process. The process examined is similar to Huntsman process. In this process, isobutane is oxidized to produce t-butyl hydroperoxide, which reacts with propylene to produce Propylene Oxide. t-Butanol is generated as by-product in the process. This report was developed based essentially on the following reference(s): US Patent 5349072, issued to Texaco in 1994 (assigned to Huntsman in 2011) Keywords: Propene, Methylpropane, Oxidation, Epoxidation, TBHP, tert-Butyl Alcohol, TBA, PO/TBA
Helping you keep pace with rapid developments in the field, Textile Sizing documents the rapidly changing scenario in textile processing and research in sizing. The authors analyze new fibers, spinning methods, and weaving techniques affecting textile production and studies the impact of fiber properties, yarn quality, sizing processes and materials, and chemical and mechanical phenomena on efficient textile manufacturing and development. Numerous tables dispersed throughout the text provide specific guidance on the wide range of processes involved in textile sizing. Illustrating the necessity and value of sizing techniques in the modern textile industry, this reference helps you Predict the efficiency of their sizing methods Master process controls, warping and sizing operations, and modern instrumentation techniques Analyze developments in draw warping and system sizing for reduction of operating costs Understand the importance of desizing and its effect on size recovery and environmental pollution Study the behavior of the warp during weaving and the structural differences between various yarns Textile Sizing is invaluable for physical, surface, colloid, textile, materials, polymer, plastics, and fiber chemists; industrial, manufacturing, textile, fiber, and composite engineers; and upper-level undergraduate and graduate students in these disciplines.
​The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. The chapter "Polymeric Nanoparticle-Mediated Gene Delivery for Lung Cancer Treatment" is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
This volume is devoted to atherosclerosis, hypertension, anddiabetes, three of the most important disease conditions in the worldtoday. Nutritional intervention, cholesterol lowering agents, lipidsthemselves, particularly oxidized LDL, protein modification byADP-ribose, bone marrow study, endothelial cell dysfunction, angiotensin, and the role of infection and inflammation are alldiscussed in the context of atherosclerotic cardiovascular disease.The hypertension section focuses on factors that may be responsiblefor high blood pressure, such as genetic predisposition, vascularhyperplasia and remodeling, insulin resistance, neurological aspectssuch as hypothalamic peptides. Also discussed are the possiblecontributions of the cellular function of the endothelium, nutrition, kidney dysfunction, leptin, and the brain. Novel routes of drugdelivery for treatment of hypertension is also a focus.As for diabetes, the risk factors and mechanisms responsible fordiabetic vascular and cardiac dysfunction are discussed. Lipid profilechanges and fibrinolysis in diabetic patients is detailed, along withadipogenesis, diabetic cardiomyopathy, energy metabolism in thediabetic heart, vanadate as an alternative to insulin, insulinresistance mechanisms, and neurotransmitters as targets for theprevention of cardiovascular disease and diabetes.These manuscripts were invited from scientists who presented state ofthe art lectures at the XVII World Congress of the InternationalSociety for Heart Research held in Winnipeg in July 2001.
Introduction to Fluoropolymers demystifies fluoropolymers for a wide audience of designers, engineers, sales staff and managers. This important group of high-performance polymers has applications across a wide range of market sectors, including automotive, aerospace, medical devices, high performance apparel, oil & gas, renewable energy / solar photovoltaics, electronics / semiconductor, pharmaceuticals, and chemical processing. Dr. Ebnesajjad covers the history and applications of a wide variety of materials, including expanded polytetrafluoroethylene, polyvinyl fluoride, vinylidene fluoride polymers and fluoroelastomers, just to name a few. Properties and applications are illustrated by real-world examples as diverse as waterproof clothing, vascular grafts and coatings for aircraft interiors. The different applications of fluoropolymers show the benefits of a group of materials that are highly water-repellant and flame-retardant, with unrivalled lubrication properties and a high level of biocompatibility. Health and safety and environmental aspects are also covered throughout the book. - Demystifies fluoropolymers for a broad audience of engineers in areas such as product design and manufacturing, as well as for non-engineers such as technical sales and management professionals - Explains the potential of fluoropolymers for a wide range of applications across sectors such as aerospace, energy and medical devices - Ideal for both recently qualified engineers and engineers with limited experience of fluoropolymers