All Outputs (21)

Evaluating the effects of processing parameters on budesonide nanocrystals prepared by nanomilling (2022)
Journal Article

The aim of this study was to optimise processing parameters in the preparation ofbudesonide nanocrystals by a miniature media milling process performed at labscale. Using Polysorbate 80 as the surfactant choice of stabilizer, the effectof milling bea... Read More about Evaluating the effects of processing parameters on budesonide nanocrystals prepared by nanomilling.

Effect of Excipients on Salt Disproportionation during Dissolution: A Novel Application of In Situ Raman Imaging (2021)
Journal Article

We have employed a bespoke setup combining confocal Raman microscopy and an ultraviolet–visible (UV–Vis) spectroscopy flow cell to investigate the effect of excipients on the disproportionation kinetics of Pioglitazone HCl (PioHCl) in tablets during... Read More about Effect of Excipients on Salt Disproportionation during Dissolution: A Novel Application of In Situ Raman Imaging.

Application of biorelevant saliva-based dissolution for optimisation of orally disintegrating formulations of felodipine (2018)
Journal Article

The oral cavity is of great importance to the performance of orally retained formulations, including: orally disintegrating tablets, taste-masked formulations, and buccal/sublingual delivery systems. With regards to in vitro dissolution assessment of... Read More about Application of biorelevant saliva-based dissolution for optimisation of orally disintegrating formulations of felodipine.

In Silico Screening for Solid Dispersions: The Trouble with Solubility Parameters and χFH (2018)
Journal Article

© Copyright 2018 American Chemical Society. The problem of predicting small molecule-polymer compatibility is relevant to many areas of chemistry and pharmaceutical science but particularly drug delivery. Computational methods based on Hildebrand and... Read More about In Silico Screening for Solid Dispersions: The Trouble with Solubility Parameters and χFH.

High-Throughput Miniaturized Screening of Nanoparticle Formation via Inkjet Printing (2018)
Journal Article

The self‐assembly of specific polymers into well‐defined nanoparticles (NPs) is of great interest to the pharmaceutical industry as the resultant materials can act as drug delivery vehicles. In this work, a high‐throughput method to screen the abilit... Read More about High-Throughput Miniaturized Screening of Nanoparticle Formation via Inkjet Printing.

Water solubility enhancement of pyrazolo[3,4-d]pyrimidine derivatives via miniaturized polymer-drug microarrays (2018)
Journal Article

A miniaturized assay was optimized to evaluate the enhanced apparent water solubility of pyrazolo[3,4-d]pyrimidine derivatives used extensively as anticancer drug scaffolds. The applied amount of drugs used in the reported strategy ranged from 5-10 ?... Read More about Water solubility enhancement of pyrazolo[3,4-d]pyrimidine derivatives via miniaturized polymer-drug microarrays.

Rapid nano-gram scale screening method of micro-arrays to evaluate drug-polymer blends using high-throughput printing technology (2017)
Journal Article

A miniaturized, high-throughput assay was optimized to screen polymer-drug solid dispersions using a 2-D Ink-jet printer. By simply printing nanoliter amounts of polymer and drug solutions onto an inert surface, drug:polymer micro-dots of tunable com... Read More about Rapid nano-gram scale screening method of micro-arrays to evaluate drug-polymer blends using high-throughput printing technology.

New N-acyl amino acid-functionalized biodegradable polyesters for pharmaceutical and biomedical applications (2016)
Journal Article

A novel class of biodegradable polyesters has been generated by coupling poly(glycerol adipate) with N-acyl aromatic amino acids. This new set of polymers from this highly versatile polymeric platform may offer unprecedented new opportunities to prod... Read More about New N-acyl amino acid-functionalized biodegradable polyesters for pharmaceutical and biomedical applications.

Properties of acyl modified poly(glycerol-adipate) comb-like polymers and their self-assembly into nanoparticles (2016)
Journal Article

There is an increasing need to develop bio-compatible polymers with an increased range of different physicochemical properties. Poly(glycerol-adipate) (PGA) is a biocompatible, biodegradable amphiphilic polyester routinely produced from divinyl adipa... Read More about Properties of acyl modified poly(glycerol-adipate) comb-like polymers and their self-assembly into nanoparticles.

Indomethacin-Kollidon VA64 Extrudates: A Mechanistic Study of pH-Dependent Controlled Release (2016)
Journal Article

© 2016 American Chemical Society. Because of its weakly acidic nature (pKa of 4.5), indomethacin presents an aqueous solubility that significantly increases when changing from acidic to neutral/alkaline pH (1.5 μg/mL at pH 1.2 and 105.2 μg/mL at pH 7... Read More about Indomethacin-Kollidon VA64 Extrudates: A Mechanistic Study of pH-Dependent Controlled Release.

Variation in structure and properties of poly(glycerol adipate) via control of chain branching during enzymatic synthesis (2016)
Journal Article

Poly (glycerol adipate) (PGA) can be produced from divinyl adipate and unprotected glycerol by an enzymatic route to generate a polymer with relatively low molar mass (12 kDa). PGA bears a pendant hydroxyl group which imparts a hydrophilic character... Read More about Variation in structure and properties of poly(glycerol adipate) via control of chain branching during enzymatic synthesis.

3D printing of tablets containing multiple drugs with defined release profiles (2015)
Journal Article

3D printing of five-in-one dose combination polypill with defined immediate and sustained release profiles (2015)
Journal Article

We have used three dimensional (3D) extrusion printing to manufacture a multi-active solid dosage form or so called polypill. This contains five compartmentalised drugs with two independently controlled and well-defined release profiles. This polypil... Read More about 3D printing of five-in-one dose combination polypill with defined immediate and sustained release profiles.

Investigating the dissolution performance of amorphous solid dispersions using magnetic resonance imaging and proton NMR (2015)
Journal Article

Insights into the influence of the cooling profile on the reconstitution times of amorphous lyophilized protein formulations (2015)
Journal Article

Lyophilized protein formulations must be reconstituted back into solution prior to patient administration and in this regard long reconstitution times are not ideal. The factors that govern reconstitution time remain poorly understood. The aim of thi... Read More about Insights into the influence of the cooling profile on the reconstitution times of amorphous lyophilized protein formulations.

The influence of polymer content on early gel-layer formation in HPMC matrices: the use of CLSM visualisation to identify the percolation threshold (2015)
Journal Article

Monitoring the Dissolution Mechanisms of Amorphous Bicalutamide Solid Dispersions via Real-Time Raman Mapping (2015)
Journal Article

Real-time in situ Raman mapping has been employed to monitor, during dissolution, the crystallization transitions of amorphous bicalutamide formulated as a molecular dispersion in a copovidone VA64 matrix. The dissolution performance was also investi... Read More about Monitoring the Dissolution Mechanisms of Amorphous Bicalutamide Solid Dispersions via Real-Time Raman Mapping.

High throughput screening for biomaterials discovery (2014)
Journal Article

Using microarray technologies thousands of biomedical materials can be screened in a rapid, parallel and cost effective fashion to identify the optimum candidate that fulfils a specific biomedical application. High throughput surface characterization... Read More about High throughput screening for biomaterials discovery.

Real time Raman imaging to understand dissolution performance of amorphous solid dispersions (2014)
Journal Article

We have employed for the first time Raman spectroscopic imaging along with multi-variate curve resolution (MCR) analysis to investigate in real time and in-situ the dissolution mechanisms that underpin amorphous solid dispersions, with data being col... Read More about Real time Raman imaging to understand dissolution performance of amorphous solid dispersions.

Desktop 3D printing of controlled release pharmaceutical bilayer tablets (2013)
Journal Article

Three dimensional (3D) printing was used as a novel medicine formulation technique for production of viable tablets capable of satisfying regulatory tests and matching the release of standard commercial tablets. Hydroxypropyl methylcellulose (HPMC 22... Read More about Desktop 3D printing of controlled release pharmaceutical bilayer tablets.