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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Comparative studies on the dispersion-enhancing mechanisms of phenylalanine and leucine in spray-dried salbutamol sulphate powder formulations. / 採用苯丙氨酸和亮氨酸增強硫酸沙丁胺醇噴霧乾燥粉末製劑的分散能力之比較研究 / Cai yong ben bing an suan he liang an suan zeng qiang liu suan sha ding an chun pen wu qan zao fen mo zhi ji de fen san neng li zhi bi jiao yan jiu

January 2010 (has links)
Chan, Ka Man Carmen. / "October 2009." / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 160-165). / Abstracts in English and Chinese. / Table of Contents --- p.I / Acknowledgements --- p.IV / Abstract --- p.V / Abstract (Chinese version) --- p.VIII / List of Figures --- p.X / List of Tables --- p.XVIII / Chapter Chapter One. --- Introduction / Chapter 1.1 --- Pulmonary drug delivery --- p.1 / Chapter 1.2 --- Inhalation drug delivery systems --- p.4 / Chapter 1.3 --- Dry powder inhalation aerosols --- p.5 / Chapter 1.3.1 --- Principle of operation of DPIs --- p.5 / Chapter 1.3.2 --- Aerodynamic diameter --- p.6 / Chapter 1.3.2.1 --- Fine particle fraction --- p.8 / Chapter 1.3.3 --- Dispersibility --- p.8 / Chapter 1.3.4 --- Factors that affect dispersibility --- p.9 / Chapter 1.3.4.1 --- Particle Size --- p.9 / Chapter 1.3.4.2 --- Particle Density and Morphology --- p.10 / Chapter 1.3.4.3 --- Interparticulate interactions一Cohesion and adhesion --- p.11 / Chapter 1.3.4.3.1 --- Surface energetics --- p.11 / Chapter 1.3.4.3.2 --- Effect of hygroscopicity and electrostatic charges --- p.12 / Chapter 1.4 --- Particle formation techniques for DPI formulation --- p.14 / Chapter 1.4.1 --- Spray-drying --- p.14 / Chapter 1.4.2 --- Surface modification --- p.16 / Chapter 1.5 --- Physical characterization --- p.17 / Chapter 1.5.1 --- Laser diffraction --- p.17 / Chapter 1.5.2 --- X-ray powder diffraction --- p.18 / Chapter 1.5.3 --- Thermal analysis --- p.19 / Chapter 1.5.4 --- Particle morphology and surface area --- p.20 / Chapter 1.5.5 --- In vitro aerosol performance --- p.21 / Chapter 1.6 --- Surface characterization --- p.21 / Chapter 1.6.1 --- X-ray photoelectric spectroscopy (XPS) --- p.21 / Chapter 1.6.2 --- Inverse gas chromatography --- p.22 / Chapter 1.7 --- Atomic force microscopy in pharmaceutical science --- p.23 / Chapter 1.7.1 --- Principle of operation --- p.24 / Chapter 1.7.1.1 --- Tapping mode --- p.27 / Chapter 1.7.1.2 --- Contact mode --- p.27 / Chapter 1.8 --- Scope of thesis --- p.29 / Chapter Chapter Two. --- Materials and Methods / Chapter 2.1 --- Materials --- p.32 / Chapter 2.2 --- Methods --- p.32 / Chapter 2.2.1 --- Optimization of spray-drying parameters --- p.32 / Chapter 2.2.2 --- Preparation of spray-dried salbutamol sulphate powders containing different concentrations of amino acid additive --- p.33 / Chapter 2.2.3 --- Physical characterization of spray-dried powders --- p.34 / Chapter 2.2.3.1 --- Particle size and size distribution --- p.34 / Chapter 2.2.3.2 --- Specific surface area --- p.35 / Chapter 2.2.3.3 --- X-ray powder diffraction --- p.35 / Chapter 2.2.3.4. --- Scanning electron microscopy --- p.36 / Chapter 2.2.3.5. --- Thermal analysis --- p.36 / Chapter 2.2.3.5.1 --- Thermogravimetric analysis (TGA) --- p.36 / Chapter 2.2.3.5.2 --- Differential scanning calorimetry (DSC) --- p.36 / Chapter 2.2.3.6 --- Water vapour sorption isotherm --- p.37 / Chapter 2.2.3.7 --- Density measurements --- p.37 / Chapter 2.2.3.8 --- In vitro particle deposition (MSLI) --- p.38 / Chapter 2.2.4 --- Surface characterization of the spray-dried powders --- p.39 / Chapter 2.2.4.1 --- X-ray photoelectric spectroscopy (XPS) --- p.39 / Chapter 2.2.4.2 --- Surface energy measurement by inverse gas chromatography (IGC) --- p.40 / Chapter 2.2.4.2.1 --- Calculation of standard free energy of adsorption --- p.41 / Chapter 2.2.4.2.2 --- Dispersive component of surface free energy and related thermodynamic parameters --- p.42 / Chapter 2.2.4.2.3 --- Specific interactions and associated acid-base properties --- p.43 / Chapter 2.2.5. --- Atomic Force Microscopy (AFM) --- p.43 / Chapter 2.2.5.1. --- Imaging --- p.43 / Chapter 2.2.5.2. --- Force measurements --- p.44 / Chapter 2.2.5.2.1 --- Adhesion force measurements --- p.44 / Chapter 2.2.5.2.2 --- Force curve data conversions --- p.44 / Chapter Chapter Three. --- "Optimal Spray-drying Conditions, Physical Characterization and Aerosol Performance of Additive-modified Spray-dried Salbutamol Sulphate particles" / Chapter 3.1 --- Optimization of spray-drying conditions --- p.46 / Chapter 3.2 --- Effect of phenylalanine on the spray-dried SS particles --- p.52 / Chapter 3.2.1. --- Phenylalanine as the additive --- p.52 / Chapter 3.2.1.1 --- In vitro aerosol performance --- p.53 / Chapter 3.2.1.2 --- Particle morphology --- p.55 / Chapter 3.2.1.3 --- Crystallinity --- p.62 / Chapter 3.2.1.4 --- Particle size distribution and specific surface area --- p.63 / Chapter 3.2.1.5 --- Density --- p.65 / Chapter 3.2.1.6 --- Thermal analysis --- p.66 / Chapter 3.2.1.7 --- Water vapour isotherm --- p.70 / Chapter 3.3 --- Effect of leucine on the spray-dried SS particles --- p.77 / Chapter 3.3.1. --- L-Leucine as the additive --- p.77 / Chapter 3.3.1.1 --- In vitro aerosol performance --- p.78 / Chapter 3.3.1.2 --- Particle morphology --- p.80 / Chapter 3.3.1.3 --- Crystallinity --- p.86 / Chapter 3.3.1.4 --- Particle size distribution and specific surface area --- p.87 / Chapter 3.3.1.5 --- Density --- p.90 / Chapter 3.3.1.6 --- Thermal analysis --- p.92 / Chapter 3.3.1.7 --- Water vapour isotherm --- p.95 / Chapter Chapter Four. --- Surface Characterization of Additive-modified Spray-dried Salbutamol Sulphate Particles / Chapter 4.1 --- X-ray photoelectric spectroscopy --- p.103 / Chapter 4.1.1 --- Phenylalanine --- p.103 / Chapter 4.1.2 --- Leucine --- p.104 / Chapter 4.2 --- Inverse gas chromatography --- p.105 / Chapter 4.2.1 --- Phenylalanine --- p.105 / Chapter 4.2.2 --- Leucine --- p.107 / Chapter 4.3 --- Atomic force microscopy --- p.109 / Chapter 4.3.1 --- Surface topography --- p.109 / Chapter 4.3.2 --- Adhesive force measurements --- p.118 / Chapter Chapter Five. --- Conclusions and Suggestions for Future Works / Chapter 5.1 --- Conclusions --- p.139 / Chapter 5.1.1 --- Physical properties --- p.139 / Chapter 5.1.2 --- Surface characteristics and aerosol performance --- p.140 / Chapter 5.2 --- Future studies --- p.142 / Appendix --- p.143 / References --- p.160

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