Zobrazeno 1 - 10
of 167
pro vyhledávání: '"Graeme A. George"'
Publikováno v:
Advanced Powder Technology. 29:3079-3086
The aim of this study is to demonstrate the role of surface charge of nicotine loaded or unloaded chitosan (CS) nanoparticles on the dispersibility from dry powder inhaler (DPI) formulations. The nanoparticles were prepared using glutaraldehyde cross
Autor:
Graeme A. George, Bronwyn Laycock, John M. Colwell, Steven E. Bottle, Emilie Gauthier, Peter J. Halley, Melissa A.L. Nikolić
Publikováno v:
Progress in Polymer Science. 71:144-189
The determination of the safe working life of polymer materials is important for their successful use in engineering, medicine and consumer-goods applications. An understanding of the physical and chemical changes to the structure of widely-used poly
Autor:
Llew Rintoul, Afrina Afrose, Graeme A. George, Abdur Rashid, Nazrul Islam, Edward T. White, Tony Howes
Publikováno v:
Journal of pharmaceutical sciences. 107(12)
This study demonstrates the preparation and characterization of ibuprofen (IBP) microparticles with some excipients by a controlled crystallization technique with improved dissolution performance. Using the optimum concentrations pluronic F127, hydro
Autor:
Llew Rintoul, Eric R. Waclawik, Nunzio Motta, Dilini Galpaya, Cheng Yan, Joseph F. S. Fernando, Graeme A. George
Publikováno v:
Polymer. 71:122-134
The influence of graphene oxide (GO) and its surface oxidized debris (OD) on the cure chemistry of an amine cured epoxy resin has been investigated by Fourier Transform Infrared Emission Spectroscopy (FT-IES) and Differential Scanning Calorimetry (DS
Publikováno v:
Polymer International. 64:654-660
A mechanistic and kinetic study of the ring-opening polymerization of ϵ-caprolactone (CL) in the presence of a poly(ethylene glycol) (PEG)/calcium hydride (CaH2) co-initiation system was conducted in the bulk over a range of polymerization temperatu
Publikováno v:
International Endodontic Journal. 48:829-838
Formaldehyde is present in most living cells and the environment. In dentistry, patients may be exposed to formaldehyde through the use of several endodontic materials (e.g. AH 26) and during formocresol pulpotomies. This review outlines how the huma
Autor:
Mohammad D. A. Muhsin, Vito Ferro, Charles W. Armitage, Kenneth W. Beagley, Nazrul Islam, Graeme A. George
Publikováno v:
Biomacromolecules. 15:3596-3607
Herein are reported the synthesis of a conjugate of chitosan with L-leucine, the preparation of nanoparticles from both chitosan and the conjugate for use in pulmonary drug delivery, and the in vitro evaluation of toxicity and inflammatory effects of
Publikováno v:
Advanced Powder Technology. 25:1240-1248
This study demonstrates a novel technique of preparing drug colloid probes to determine the adhesion force between a model drug salbutamol sulphate (SS) and the surfaces of polymer microparticles to be used as carriers for the dispersion of drug part
Publikováno v:
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V. 113
This study reports the development of nanoparticles in the form of inhalable micro-aggregates of biodegradable chitosan (CS) loaded with nicotine hydrogen tartrate (NHT) for potential pulmonary delivery of nicotine from dry powder inhaler (DPI) formu
Publikováno v:
Polymer Degradation and Stability. 98:2436-2444
This paper describes recent developments in the use of chemiluminescence (CL) and profluorescent nitroxides (PFNs) in probing the “induction period” of polymer oxidation. CL measures the instantaneous rate of reaction of hydroperoxides responsibl