All Outputs (76)

Synthesis, characterization and evaluation of in vitro toxicity in hepatocytes of linear polyesters with varied aromatic and aliphatic co-monomers (2016)
Journal Article

Polyesters are extensively used in drug delivery because of their controllable biodegradation properties and perceived favorable cytocompatibility. However, new ester-based materials are continually being sought which can be produced from readily acc... Read More about Synthesis, characterization and evaluation of in vitro toxicity in hepatocytes of linear polyesters with varied aromatic and aliphatic co-monomers.

Block copolymer synthesis by controlled/living radical polymerisation in heterogeneous systems (2016)
Journal Article

Nanostructured soft materials open up new opportunities in material design and application, and block copolymer self-assembly is one particularly powerful phenomenon that can be exploited for their synthesis. The advent of controlled/living radical p... Read More about Block copolymer synthesis by controlled/living radical polymerisation in heterogeneous systems.

Improved particle size control for the dispersion polymerization of methyl methacrylate in supercritical carbon dioxide (2016)
Journal Article

Dispersion polymerization is a well-established method of producing polymer particles that are easily handled and processed. With careful choice of reaction conditions this technique can yield well defined, spherical particles for a wide range of app... Read More about Improved particle size control for the dispersion polymerization of methyl methacrylate in supercritical carbon dioxide.

Controlled polymerisation and purification of branched poly(lactic acid) surfactants in supercritical carbon dioxide (2016)
Journal Article

Product degradability, sustainability and low-toxicity are driving demand for the synthesis of biobased polymers and surfactants. Here we report the synthesis of novel surface active polymers using cyclic esters (D,L-lactide) and temperature sensitiv... Read More about Controlled polymerisation and purification of branched poly(lactic acid) surfactants in supercritical carbon dioxide.

Effect of supercritical CO2 on the copolymerization behavior of cyclohexene oxide/CO2 and copolymer properties with DMC/salen-Co(III) catalyst system (2016)
Journal Article

The copolymerization of cyclohexene oxide (CHO) and carbon dioxide (CO2) was carried out under supercritical CO2 (scCO2) conditions to afford poly (cyclohexene carbonate)(PCHC) in high yield. The scCO2 provided not only the C1 feedstock but also prov... Read More about Effect of supercritical CO2 on the copolymerization behavior of cyclohexene oxide/CO2 and copolymer properties with DMC/salen-Co(III) catalyst system.

A facile and green route to terpene derived acrylate and methacrylate monomers and simple free radical polymerisation to yield new renewable polymers and coatings (2016)
Journal Article

We present new acrylic monomers derived directly from abundant naturally available terpenes via a facile, green and catalytic approach. These monomers can be polymerised to create new polymers with a wide range of mechanical properties that positions... Read More about A facile and green route to terpene derived acrylate and methacrylate monomers and simple free radical polymerisation to yield new renewable polymers and coatings.

Towards sustainable polymeric nano-carriers and surfactants: facile low temperature enzymatic synthesis of bio-based amphiphilic copolymers in scCO2 (2016)
Journal Article

We demonstrate that useful bio-based amphiphilic polymers can be produced enzymatically at a mild temperature, in a solvent-free system and using renewably sourced monomers, by exploiting the unique properties of supercritical CO2 (scCO2). We present... Read More about Towards sustainable polymeric nano-carriers and surfactants: facile low temperature enzymatic synthesis of bio-based amphiphilic copolymers in scCO2.

How does dense phase CO2 influence the phase behaviour of block copolymers synthesised by dispersion polymerisation? (2015)
Journal Article

Block copolymers synthesised in supercritical CO2 dispersion undergo in situ self-assembly which can result in a range of nanostructured microparticles. However, our previous study revealed that copolymers with different block combinations possessed... Read More about How does dense phase CO2 influence the phase behaviour of block copolymers synthesised by dispersion polymerisation?.

Green process for green materials: viable low-temperature lipase-catalysed synthesis of renewable telechelics in supercritical CO2 (2015)
Journal Article

We present a novel near ambient temperature approach to telechelic renewable polyesters by exploiting the unique properties of supercritical CO2 (scCO2). Bio-based commercially available monomers have been polymerised and functional telechelic materi... Read More about Green process for green materials: viable low-temperature lipase-catalysed synthesis of renewable telechelics in supercritical CO2.

New biomaterials from renewable resources – amphiphilic block copolymers from δ-decalactone (2015)
Journal Article

High-pressure rheological analysis of CO2-induced melting point depression and viscosity reduction of poly(?-caprolactone) (2015)
Journal Article

High-pressure rheology has been used to assess the effects of supercritical carbon dioxide (scCO2) on the melting point (Tm) and viscosity of poly (?-caprolactone) (PCL) over a range of temperatures and pressures up to 300 bar over a wide range of sh... Read More about High-pressure rheological analysis of CO2-induced melting point depression and viscosity reduction of poly(?-caprolactone).

The effect of CO2 on the viscosity of polystyrene/limonene solutions (2014)
Journal Article

Facile one-spot synthesis of highly branched polycaprolactone (2014)
Journal Article

Reported is the first solvent-free (bulk) synthesis of degradable/bioresorbable, highly branched polymers via tin octanoate Sn(Oct2) catalysed controlled ring opening co-polymerisation (ROP) of mono and di-functional lactone monomers that proceed to... Read More about Facile one-spot synthesis of highly branched polycaprolactone.

Bacteria clustering by polymers induces the expression of quorum sense controlled phenotypes (2013)
Journal Article

Bacteria deploy a range of chemistries to regulate their behaviour and respond to their environment. Quorum sensing is one mean by which bacteria use chemical reactions to modulate pre-infection behaviour such as surface attachment. Polymers that can... Read More about Bacteria clustering by polymers induces the expression of quorum sense controlled phenotypes.

Interconnectivity and permeability of supercritical fluid-foamed scaffolds and the effect of their structural properties on cell distribution (2013)
Journal Article

This study aims to investigate interconnectivity and permeability of scCO2-foamed scaffolds and the influence of structural scaffold properties on cell distribution. Supercritical fluid technology was utilized to fabricated scaffolds from 37 kDa, 53... Read More about Interconnectivity and permeability of supercritical fluid-foamed scaffolds and the effect of their structural properties on cell distribution.

Uniform cell colonization of porous 3-D scaffolds achieved using radial control of surface chemistry (2011)
Journal Article

Uniform cellular distribution is a prerequisite to forming tissue within porous scaffolds, but the seeding process often results in preferential adhesion of cells at the periphery. We develop a vapour phase coating strategy which is readily applicabl... Read More about Uniform cell colonization of porous 3-D scaffolds achieved using radial control of surface chemistry.