Biography

Prof Walker holds the Bernal Chair in Pharmaceutical Powder Engineering at UL and is a Visiting Research Professor at QUB. His interersts are in pharmaceutical engineering, process engineering and mathematical aspects for materials processing.

Prof Walker is Co-Director of SSPC the SFI research centre for pharmaceuticals
Prof Walker is Academic Lead of EI funded Pharmaceutical Manufacturing Technology Centre (PMTC)
Prof Walker is Academic Lead of EI funded Dairy Processing Technology Centre (DPTC)
Prof Walker is Project Lead of SFI Funded Centre for Smart Manufacturing (CONFIRM)
Prof Walker is Director of H2020 MSCA Co-Fund PROCESS

He has been awarded >35,000,000 Euro as Principal Investigator on >35 research projects on process engineering and advanced manufacturing from EU H2020, UK government, EPSRC, Irish Government, UK Charities and Industrial sources.His research team currently consists of 22 Post-docs and 12 research students focusing on engineering aspects of pharmaceutical manufacturing.




Research Interests

Prof Walker holds the Bernal Chair in Pharmaceutical Powder Engineering at UL and is a Visiting Research Professor at Queen's University Belfast (UK).

Prof Walker is Co-Director of SFI funded Synthesis and Solid State Pharmaceutical Centre (SSPC)

He currently holds the following awards:
PI and Academic Sponsor for Enterprise Ireland, Pharmaceutical Manufacturing Technology Centre (PMTC);
PI on SFI Infrastructure Programme;
PI on SFI Investigators Programme;
Strand Leader and Co-PI on SFI Centres Programme Synthesis and Solid State Pharmaceutical Centre (SSPC);
Pillar Leader and Co-PI for Enterprise Ireland, Dairy Process Technology Centre (DPTC).
Project leader on SFI funded SSPC Spoke "Momentum"
Project leader on NSF-SFI Centre to Centre Project on Nano-pharmaceutical manufacturing
Project leader in EI Biopharma IPP Collaboration
Project Leader in SFI Centres Programme "CONFIRM"
Project Leader in H2020 - MSCA - COFUND - 2017 "PROCESS"

Professor Walker h
as been awarded>€26,000,000 as Principal Investigator on >35 research projects associated with advanced manufacturing from EU, UK government, EPSRC, Irish Government, UK Charities and Industrial sources.

His research team currently consists of 22 Post-docs and 12 research students focusing on engineering acepcts of pharmaceutical manufacturing.

He is a member of the editorial advisory board for 5 major international journals and is Associate Editor for Chemical Engineering Journal and Chemical Engineering Research and Design. He has >165 international journal publications (h-index = 33, >4700 citations, Scopus).

Prof Walker has 5 patents and is Scientfic Director of two university spin out companies "ADFerTech" from Queen's University Belfast (www.adfertech.com) and "Innovative Particle Processing, iP2" from University of Limerick.









Professional Activities

Award

  • 2009 - Royal Academy of Engineering Leverhulme Trust Senior Research Fellow
  • 2001 - Royal Academy of Engineering ExxonMobil Fellow

Association

  • Chartered Engineer CEng, Engineering Council
  • Fellow, IChemE

Books

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Book Chapters

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Edited Books

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Peer Reviewed Journals

Multi-dimensional population balance modelling of pharmaceutical formulations for continuous twin-screw wet granulation: Determination of liquid distribution

Prof. Gavin Walker
2019
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Artificial neural network modelling of continuous wet granulation using a twin-screw extruder

Prof. Gavin Walker
2017
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Investigation of polymorphic transitions of piracetam induced during wet granulation

Prof. Gavin Walker
2017
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Valvejet Technology for the Production of a Personalised Fixed Dose Combination of Ramipril and Glimepiride: an Investigative Study on the Stability of Ramipril

Prof. Gavin Walker
2018
NEW YORK
SPRINGER/PLENUM PUBLISHERS
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Moisture and temperature dependence of the dielectric properties of pharmaceutical powders

Prof. Gavin Walker
2013
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Experimental design and batch experiments for optimization of Cr(VI) removal from aqueous solutions by hydrous cerium oxide nanoparticles

Prof. Gavin Walker
2014
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Fermentable sugars recovery from lignocellulosic waste-newspaper by catalytic hydrolysis

Prof. Gavin Walker
2013
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Activated lignin-chitosan extruded blends for efficient adsorption of methylene blue

Prof. Gavin Walker
2017
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Mechanistic modelling of industrial-scale roller compactor 'Freund TF-MINI model'

Prof. Gavin Walker
2017
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Studies into the effect of temperature on the impact of model particles in co-melt granulation

Prof. Gavin Walker
2016
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Removal of ortho-phosphate from aqueous solution by adsorption onto dolomite

Prof. Gavin Walker
2014
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Controlling Polymorphism of Carbamazepine Nanoparticles in a Continuous Supercritical-CO<inf>2</inf>-Assisted Spray Drying Process

Prof. Gavin Walker
2019
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Optimisation of a two-liquid component pre-filled acrylic bone cement system: a design of experiments approach to optimise cement final properties

Prof. Gavin Walker
2014
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Efficient removal of anionic and cationic dyes from aqueous systems using spent Yerba Mate "Ilex paraguariensis"

Prof. Gavin Walker
2018
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Particle engineering of excipients: A mechanistic investigation into the compaction properties of lignin and [co]-spray dried lignin

Prof. Gavin Walker
Dr. Emmet O'Reilly
2019
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Predicting optimal wet granulation parameters for extrusion-spheronisation of pharmaceutical pellets using a mixer torque rheometer

Prof. Gavin Walker
2017
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Production of porous aluminium and iron sulphated oxyhydroxides using industrial grade coagulants for optimised arsenic removal from groundwater

Prof. Gavin Walker
2015
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Effect of lignin on the release rate of acetylsalicylic acid tablets

Prof. Gavin Walker
2019
AMSTERDAM
ELSEVIER SCIENCE BV
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Analysis of friction factor reduction in turbulent water flow using a superhydrophobic coating

Prof. Gavin Walker
2016
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Experimental design and batch experiments for optimization of Cr(VI) removal from aqueous solutions by hydrous cerium oxide nanoparticles

Prof. Gavin Walker
2013
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BaTiO3/TiO2 composite-assisted photocatalytic degradation for removal of acetaminophen from synthetic wastewater under UV-vis irradiation

Prof. Gavin Walker
2018
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Arsenic(III,V) adsorption onto charred dolomite: Charring optimization and batch studies

Prof. Gavin Walker
2015
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The variability in nutrient composition of Anaerobic Digestate granules produced from high shear granulation

Prof. Gavin Walker
2013
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High shear granulation of binary mixtures: Effect of powder composition on granule properties

Prof. Gavin Walker
2015
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Dilute phosphoric acid-catalysed hydrolysis of municipal bio-waste wood shavings using autoclave parr reactor system

Prof. Gavin Walker
2012
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A New 1:1 Drug-Drug Cocrystal of Theophylline and Aspirin: Discovery, Characterization, and Construction of Ternary Phase Diagrams

Prof. Gavin Walker
2018
WASHINGTON
AMER CHEMICAL SOC
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Effect of impeller design on homogeneity, size and strength of pharmaceutical granules produced by high-shear wet granulation

Prof. Gavin Walker
2015
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Hydrothermal synthesis of coccolith rich chalk to hydroxyapatite

Prof. Gavin Walker
2012
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Systematic development of a high dosage formulation to enable direct compression of a poorly flowing API: A case study

Dr. Kevin Moroney
Prof. Gavin Walker
2019
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Low temperature fused deposition modeling (FDM) 3D printing of thermolabile drugs

Prof. Gavin Walker
2018
AMSTERDAM
ELSEVIER SCIENCE BV
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Predicting optimal wet granulation parameters for extrusion-spheronisation of pharmaceutical pellets using a mixer torque rheometer

Prof. Gavin Walker
2017
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NOx removal efficiency and N-2 selectivity during selective catalytic reduction processes over Al2O3 supported highly cross-linked polyethylene catalysts

Prof. Gavin Walker
2014
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Quantum chemical calculations and molecular modeling for methylene blue removal from water by a lignin-chitosan blend

Prof. Gavin Walker
2018
AMSTERDAM
ELSEVIER SCIENCE BV
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Retention of toxic chromium from aqueous phase by H3PO4-activated lignin: Effect of salts and desorption studies

Prof. Gavin Walker
2012
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Dye adsorption onto mesoporous materials: PH influence, kinetics and equilibrium in buffered and saline media

Prof. Gavin Walker
2014
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An investigation of the inter-molecular interaction, solid-state properties and dissolution properties of mixed copovidone hot-melt extruded solid dispersions

Prof. Gavin Walker
2019
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Preliminary investigation of mixed adsorbents for the removal of copper and methylene blue from aqueous solutions

Prof. Gavin Walker
2014
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The variability in nutrient composition of Anaerobic Digestate granules produced from high shear granulation

Prof. Gavin Walker
2013
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Optimisation of high shear granulation of multicomponent fertiliser using response surface methodology

Prof. Gavin Walker
2013
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Characterization and utilization of fly ash of heavy fuel oil generated in power stations

Prof. Gavin Walker
2014
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Creating Cocrystals: A Review of Pharmaceutical Cocrystal Preparation Routes and Applications

Prof. Gavin Walker
Dr. Luis Padrela
2018
WASHINGTON
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Static and dynamic degradation of sintered calcium phosphate ceramics

Prof. Gavin Walker
2012
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Spray drying of pharmaceuticals and biopharmaceuticals: Critical parameters and experimental process optimization approaches.

Prof. Gavin Walker
Dr. Emmet O'Reilly
Dr. Luis Padrela
2018
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Electrospun API-loaded mixed matrix membranes for controlled release

Dr. Kevin Moroney
Prof. Gavin Walker
2017
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Downstream processing of a ternary amorphous solid dispersion: The impacts of spray drying and hot melt extrusion on powder flow, compression and dissolution

Prof. Gavin Walker
2018
AMSTERDAM
ELSEVIER SCIENCE BV
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Statistical analysis of industrial-scale roller compactor 'Freund TF-MINI model'

Prof. Gavin Walker
2016
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Removal of pharmaceutical and personal care products (PPCPs) pollutants from water by novel TiO2-Coconut Shell Powder (TCNSP) composite

Prof. Gavin Walker
2014
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Investigation of Ethylene Oxide-co-propylene Oxide for Dissolution Enhancement of Hot-Melt Extruded Solid Dispersions

Prof. Gavin Walker
2018
HOBOKEN
WILEY
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Enhanced removal of acetaminophen from synthetic wastewater using multi-walled carbon nanotubes (MWCNTs) chemically modified with NaOH, HNO3/H2SO4, ozone, and/or chitosan

Prof. Gavin Walker
2018
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ANN Analysis of a Roller Compaction Process in the Pharmaceutical Industry

Prof. Gavin Walker
2017
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Continuous twin screw wet granulation: The combined effect of process parameters on residence time, particle size, and granule morphology

Prof. Gavin Walker
2018
AMSTERDAM
ELSEVIER SCIENCE BV
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Kinetic and thermodynamics of chromium ions adsorption onto low-cost dolomite adsorbent

Prof. Gavin Walker
2012
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Developing ANN-Kriging hybrid model based on process parameters for prediction of mean residence time distribution in twin-screw wet granulation

Prof. Gavin Walker
2019
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Development of a value-added soil conditioner from high shear co-granulation of organic waste and limestone powder

Prof. Gavin Walker
2014
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Characterization and utilization of fly ash of heavy fuel oil generated in power stations

Prof. Gavin Walker
2014
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Co-crystal polymorphic control by nanodroplet and electrical confinement

Prof. Gavin Walker
Dr. Emmet O'Reilly
2019
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NOx removal efficiency and N2 selectivity during selective catalytic reduction processes over Al2O3 supported highly cross-linked polyethylene catalysts

Prof. Gavin Walker
2014
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ANN-Kriging hybrid model for predicting carbon and inorganic phosphorus recovery in hydrothermal carbonization

Dr. Witold Kwapinski
Prof. Gavin Walker
2019
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evelopment of stability-enhanced ternary solid dispersions via combinations of HPMCP and Soluplus® processed by hot melt extrusion

Prof. Gavin Walker
2017
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Statistical analysis of industrial-scale roller compactor ‘Freund TF-MINI model'

Prof. Gavin Walker
2016
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Organic synthesis by Twin Screw Extrusion (TSE): Continuous, scalable and solvent-free

Prof. Gavin Walker
2017
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Bioactive PCL matrices with a range of structural & rheological properties

Prof. Gavin Walker
2016
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Enhanced photocatalytic degradation of acetaminophen from wastewater using WO3/TiO2/SiO2 composite under UV-VIS irradiation

Prof. Gavin Walker
2017
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Hydrothermal synthesis of coccolith rich chalk to hydroxyapatite

Prof. Gavin Walker
2012
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Phosphorus adsorption onto an industrial acidified laterite by-product: equilibrium and thermodynamic investigation

Prof. Gavin Walker
2014
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Liquid marble granulation using super-hydrophobic powders

Prof. Gavin Walker
2013
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Microcrystalline cellulose, lactose and lignin blends: Process mapping of dry granulation via roll compaction

Prof. Gavin Walker
2019
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Alternative method for producing organic fertiliser from anaerobic digestion liquor and limestone powder: High Shear wet granulation

Prof. Gavin Walker
2013
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Inkjet printing of paracetamol and indomethacin using electromagnetic technology: Rheological compatibility and polymorphic selectivity

Prof. Gavin Walker
2018
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The Use of PAT and Off-line Methods for Monitoring of Roller Compacted Ribbon and Granule Properties with a View to Continuous Processing

Prof. Gavin Walker
2015
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Removal of pharmaceutical and personal care products (PPCPs) pollutants from water by novel TiO2-Coconut Shell Powder (TCNSP) composite

Prof. Gavin Walker
2014
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Batch and Continuous Systems for Zn, Cu, and Pb Metal Ions Adsorption on Spent Mushroom Compost Biochar

Dr. Witold Kwapinski
Prof. Gavin Walker
2019
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Development of stability-enhanced ternary solid dispersions via combinations of HPMCP and Soluplus (R) processed by hot melt extrusion

Prof. Gavin Walker
2017
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Effect of poly ethylene glycol on the mechanical and thermal properties of bioactive poly(epsilon-caprolactone) melt extrudates for pharmaceutical applications

Prof. Gavin Walker
2016
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Organic synthesis by Twin Screw Extrusion (TSE): continuous, scalable and solvent-free

Prof. Gavin Walker
2017
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Iron, copper and silver nanoparticles: Green synthesis using green and black tea leaves extracts and evaluation of antibacterial, antifungal and aflatoxin B-1 adsorption activity

Prof. Gavin Walker
2018
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Mechanism analysis of tartrazine biosorption onto masau stones; a low cost by-product from semi-arid regions

Prof. Gavin Walker
2017
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Surface-Activated Fibre-Like SBA-15 as Drug Carriers for Bone Diseases

Prof. Gavin Walker
2019
NEW YORK
SPRINGER
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Single, simultaneous and consecutive biosorption of Cr(VI) and Orange II onto chemically modified masau stones

Prof. Gavin Walker
2017
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Removal of arsenic from groundwater by adsorption onto an acidified laterite by-product

Prof. Gavin Walker
2013
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Regime-separated approach for population balance modelling of continuous wet granulation of pharmaceutical formulations

Prof. Gavin Walker
2018
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High-solid-content hydroxyapatite slurry for the production of bone substitute scaffolds

Prof. Gavin Walker
2015
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Preparation of controlled porosity resorcinol formaldehyde xerogels for adsorption applications

Prof. Gavin Walker
2012
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Aminopropyl-functionalized mesoporous silica SBA-15 as drug carrier for cefazolin: adsorption profiles, release studies, and mineralization potential

Prof. Gavin Walker
2019
AMSTERDAM
ELSEVIER SCIENCE BV
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Incidence of aflatoxins contamination in dry fruits and edible nuts collected from Pakistan

Prof. Gavin Walker
2017
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Removal of Carbamazepine from Water by a Novel TiO2-Coconut Shell Powder/UV Process: Composite Preparation and Photocatalytic Activity

Prof. Gavin Walker
2013
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Enhanced cell viability in hyaluronic acid coated poly(lactic-co-glycolic acid) porous scaffolds within microfluidic channels

Prof. Gavin Walker
2017
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Modelling and Fixed Bed Column Adsorption of Cr(VI) onto Orthophosphoric Acid-activated Lignin

Prof. Gavin Walker
2012
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Investigation of the Dependence of the Flory-Huggins Interaction Parameter on Temperature and Composition in a Drug-Polymer System

Prof. Gavin Walker
2018
WASHINGTON
AMER CHEMICAL SOC
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Perspectives on social capacity building for natural hazards: outlining an emerging field of research and practice in Europe

Prof. Gavin Walker
2011
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Amorphous solid dispersions of BCS class II drugs: A rational approach to solvent and polymer selection

Prof. Gavin Walker
2016
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Characterization of adsorption of aqueous arsenite and arsenate onto charred dolomite in microcolumn systems

Prof. Gavin Walker
2014
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Influence of solution chemistry on Cr(VI) reduction and complexation onto date-pits/tea-waste biomaterials

Prof. Gavin Walker
2013
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Reactive dye adsorption onto a novel mesoporous carbon

Prof. Gavin Walker
2013
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Granulated polyhalite fertilizer caking propensity

Prof. Gavin Walker
2017
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Novel comparison of kinetic models for the adsorption-coupled reduction of Cr(VI) using untreated date pit biomaterial

Prof. Gavin Walker
2014
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Optimisation of 3D-organized mesoporous silica containing iron and aluminium oxides for the removal of arsenic from groundwater

Prof. Gavin Walker
2013
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Adsorption study using optimised 3D organised mesoporous silica coated with Fe and Al oxides for specific As(III) and As(V) removal from contaminated synthetic groundwater

Prof. Gavin Walker
2014
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Properties of super-hydrophobic copper and stainless steel meshes: Applications in controllable water permeation and organic solvents/water separation

Prof. Gavin Walker
2015
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Impact of polymeric excipient on cocrystal formation via hot-melt extrusion and subsequent downstream processing

Prof. Gavin Walker
Dr. Emmet O'Reilly
2019
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Design of spray dried ternary solid dispersions comprising itraconazole, soluplus and HPMCP: Effect of constituent compositions

Prof. Gavin Walker
2017
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Spray drying ternary amorphous solid dispersions of ibuprofen - An investigation into critical formulation and processing parameters

Prof. Gavin Walker
Dr. Emmet O'Reilly
2017
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Novel Supercritical Carbon Dioxide Impregnation Technique for the Production of Amorphous Solid Drug Dispersions: A Comparison to Hot Melt Extrusion

Prof. Gavin Walker
2015
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Determination of higher heating value of petro-diesels using mid-infrared spectroscopy and chemometry

Prof. Gavin Walker
2012
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Amorphous solid dispersions of BCS class II drugs A rational approach to solvent and polymer selection

Prof. Gavin Walker
2015
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Fermentable sugars recovery from lignocellulosic waste-newspaper by catalytic hydrolysis (Part II)

Prof. Gavin Walker
2013
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Activated lignin-chitosan extruded blends for efficient adsorption of methylene blue

Prof. Gavin Walker
2017
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Phenol degradation by powdered metal ion modified titanium dioxide photocatalysts

Prof. Gavin Walker
2012
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Granulated polyhalite fertilizer caking propensity

Prof. Gavin Walker
2017
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Influence of scaffold design on 3D printed cell constructs

Prof. Gavin Walker
2018
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Application of lignin in controlled release: development of predictive model based on artificial neural network for API release

Prof. Gavin Walker
2019
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Thermo-mechanical Properties of Poly &#603;-caprolactone/poly L-lactic Acid Blends: Addition of Nalidixic Acid and Polythylene Glycol Additives

Prof. Gavin Walker
2015
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Hydrolysis characteristics and kinetics of waste hay biomass as a potential energy crop for fermentable sugars production using autoclave parr reactor system

Prof. Gavin Walker
2013
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Other Journals

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Conference Publications

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Conference Contributions

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Published Reports

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Editorials

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Book Reviews

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Other Publications

Recent advances on microbial transglutaminase and dairy application

Prof. Gavin Walker
2017
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