6 resultados para Latex compounding,

em Aston University Research Archive


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This is a detailed and practical guide to the theory and practice of extemporaneous compounding and dispensing, and a source of reference to extemporaneous formulae. Pharmacists have been responsible for compounding medicines for centuries and there is currently a dearth of current information on the topic, yet it is still taught in schools of pharmacy and required in community and hospital departments and by "specials" manufacturers and in development of new products in industry. This is a modern, detailed and practical guide to the theory and practice of extemporaneous compounding and dispensing, which will equip readers with the knowledge required for producing extemporaneous formulations safely and effectively.

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This is a modern, detailed and practical guide to the theory and practice of extemporaneous compounding and dispensing. Fully revised and updated, this new edition will be an indispensable reference for pharmacy students and practicing pharmacists. Pharmacists have been responsible for compounding medicines for centuries. Although most modern medicines are not compounded in a local pharmacy environment, there are still occasions when it is imperative that pharmacists have this knowledge. Pharmaceutical Compounding and Dispensing provides a comprehensive guide to producing extemporaneous formulations safely and effectively.

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Responsive core-shell latex particles are used to prepare colloidosome microcapsules using thermal annealing and internal cross-linking of the shell, allowing production of the microcapsules at high concentrations. The core-shell particles are composed of a polystyrene core and a shell of poly[2-(dimethylamino)ethyl methacrylate]-b-poly[methyl methacrylate] (PDMA-b-PMMA) chains adsorbed onto the core surface, providing steric stabilisation. The PDMA component of adsorbed polymer shell confers the latex particle thermal and pH responsive characteristics, it also provides glass transitions at lower temperatures than that of the core and reactive amine groups. These features facilitate the formation of stable Pickering emulsion droplets and the immobilisation of the latex particle monolayer on these droplets to form colloidosome microcapsules. The immobilisation is achieved through thermal annealing or cross-linking of the shell at mild conditions feasible for large scale economic production. We demonstrate here that it is possible to anneal the particle monolayer on the emulsion drop surface at 75-86 ºC by using the lower glass transition temperature of the shell compared to that of the polystyrene cores (~108 ºC). The colloidosome microcapsules formed have a rigid membrane basically composed of a monolayer of particles. Chemical cross-linking has also been successfully achieved by confining a cross-linker within the disperse droplet. This approach leads to the formation of single-layered stimulus-responsive soft colloidosome membranes and provides the advantage of working at very high emulsion concentrations since inter-droplet cross-linking is thus avoided. The porosity and mechanical strength of microcapsules are also discussed here in terms of the observed structure of the latex particle monolayers forming the capsule membrane.

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This is a modern, detailed and practical guide to the theory and practice of extemporaneous compounding and dispensing. Fully revised and updated, this new edition will be an indispensable reference for pharmacy students and practicing pharmacists. Pharmacists have been responsible for compounding medicines for centuries. Although most modern medicines are not compounded in a local pharmacy environment, there are still occasions when it is imperative that pharmacists have this knowledge. Pharmaceutical Compounding and Dispensing provides a comprehensive guide to producing extemporaneous formulations safely and effectively.

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FASTtrack: Pharmaceutical Compounding and Dispensing focuses on what you really need to know in order to pass exams. Concise, bulleted information, key points, tips and an all-important self-assessment section which includes MCQs, case studies, sample essay questions and worked examples. Based on the successful textbook, Pharmaceutical Compounding and Dispensing, this FASTtrack book has been designed to assist the student compounder in understanding the key dosage forms encountered within extemporaneous dispensing. For this new second edition all the references to modern texts (for example, the BNF) have been updated, as well as labelling to reflect changes since the publication of the first edition. Some worked examples have been changed owing to the availability of pharmaceutical ingredients. Free access to online videos demonstrating various dispensing procedures is included. Are your exams coming up? Are you drowning in textbooks and lecture notes and wondering where to begin? Take the FASTtrack route to successful study for your examinations. FASTtrack provides the ultimate lecture notes and is a must-have for all pharmacy students wanting to study and test themselves for forthcoming exams.

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This is a revision guide for students giving bullet points of basic information on pharmaceutical compounding and dispensing followed by questions and answers."Fast Track" is a new series of indispensable revision guides created especially for undergraduate pharmacy students.The content of each title focuses on what pharmacy students really need to know in order to pass exams, providing concise, bulleted information, key points, tips and an all-important self-assessment section which includes MCQs, case studies, sample essay questions and worked examples."The Fast Track" series provides the ultimate lecture notes and is a must-have for all pharmacy undergraduate students wanting to revise and test themselves for forthcoming exams.Based on the successful textbook, "Pharmaceutical Compounding and Dispensing", this book has been designed to assist the student compounder in understanding the key dosage forms encountered within extemporaneous dispensing.A Fast Track website will also be live at time of publication and will include MCQs, sample online content and much more.