keynote speakers

July 22-24, 2019   |   University of Oxford, the United Kingdom

 

Keynote Speaker I

Prof. Ewa Dluska

Warsaw University of Technology, Poland

Ewa Dluska is currently a Professor at the Warsaw University of Technology, at the Faculty of Chemical and Process Engineering in Poland. She obtained her Ph.D. in Chemical Engineering from Warsaw University of Technology in 1997. In 2011 she wrote the monographical habilitation thesis and was honored by her university with a D.Sc. degree in 2012. She was awarded a research fellowship at the University of Oxford in the Institute of Biomedical Engineering on the encapsulation of stem cells (2013). She also spent a year at the Clausthal University of Technology in Germany (1993-1994) investigating aerosol filtration. Her main research covers the encapsulation process of active ingredients (drugs, living cells, nutrients) and release processes, mass transfer in dispersed systems, development and creation of multiple emulsions with bioactive agents in a Couette-Taylor Flow bioreactor for a drug/active agent delivery. She uses both experimental and theoretical/computational approaches such as modelling of drug release processes from multiple emulsions and micro/nanoparticles. She also deals with separation processes for environmental protection: organic compounds and the extraction of ions of heavy metals by emulsion liquid membranes (ELMs), and the reduction of membrane fouling by using a Couette-Taylor flow device. Chemical Reactor Engineering in the multiphase flow (gas-liquid and liquid-liquid processes in a Couette-Taylor flow) is her core discipline. She is also involved in Flue Gas Cleaning: filtration of aerosols and alternative emulsion-based fuels preparation. She has taught a wide range of chemical engineering courses including physical chemistry, mass transfer processes and simple and multiple emulsions for new technologies at undergraduate, graduate and postgraduate levels and has also written a book Macro- and nano simple and multiple emulsions in chemical and biomedical processes and environmental protection. Currently, she is a scientific supervisor of a Ph.D. student and supervised one doctor with distinction. She continues to conduct research in an interdisciplinary environment through her cooperation with the University of Warsaw, the University of Oxford, the Institute of Biochemistry and Biophysics, and the Institute of Nuclear Chemistry and Technology.

Speech Title: Multiple emulsions as a programmable micro-environment for the intensification of mass transfer in liquid-liquid systems
Abstract: This talk addresses the intensification of interphase mass transfer using multiple emulsions, the structures of which enable both selective transport of a substance from their internal drops to their external continuous phase, and the opposite process form their external phase to these drops. Two examples of processes occurring in such an environment as multiple emulsions will be discussed, namely the extraction of metal ions through a chemical reaction and the release of a drug.
Multiple emulsions are hierarchically organised liquid dispersed systems with a great potential for mass transfer in reactive and non-reactive multiphase systems in separation processes, environmental protection, pharmaceuticals, medical and biological engineering applications. They can also be used for controlled encapsulation and selective release of active substances (drugs, living cells, cosmetics, and food). Multiple emulsions can have double, triple, quadruple, quintuple, or even more complex structures. Process rate controlling by multiple emulsions is achieved through the size and physicochemical parameters of drops forming liquid-permeable membranes separating the internal droplets from the continuous external phase.
The first part will provide the concept of how to intensify the separation process of neodymium and dysprosium ions from a leach solution of neodymium-iron-boron permanent magnets or phosphogypsum. Neodymium and dysprosium belong to the rare earth elements (REEs), which are critical raw materials used in modern technologies, having a significant impact on the economic strategies, especially of highly-developed countries. The concept is based on an integrated process in a continuous Couette–Taylor Flow reactor (CTF) that combines the formation of multiple emulsions playing a role of emulsions liquid membranes (ELMs) and extraction through chemical reaction by ELMs. This alternative strategy is based on the principles of sustainable development. The use of a CTF reactor ensures a high efficiency of the separation process in a very short time, with low solvent and carrier consumption.
The second part will present an overview of the research conducted on multiple emulsions applied as selective platforms delivering chemotherapeutics in brain tumour (glioblastoma multiforme) treatment, including functionalization of drops’ surfaces with antibodies. This part includes a presentation of the results, and a discussion regarding the influence of emulsions’ drops sizes, the location of a drug within emulsion structure and composition of biomaterials on the rates of mass transfer, namely the release rates of a drug. This part includes a presentation of the results, and a discussion regarding emulsions’ drops sizes, the location of a drug within the emulsion structure and the composition of biomaterials and their influence on mass transfer, namely the release rates of a drug.

Keynote Speaker II

Prof. Ferda Mavituna

The University of Manchester, UK

Ferda Mavituna is currently a Professor of Chemical and Biochemical Engineering in the School of Chemical Engineering and Analytical Science at The University of Manchester, UK. She obtained her degree of B.Sc. in Chemical Engineering with the Distinction of High Honours and the First Prize in the Department of Chemical Engineering, Middle East Technical University (METU), in Ankara, Turkey in 1973. Her degrees of M.Sc. in Advanced Chemical Engineering and PhD in Chemical Engineering were awarded by the Victoria University of Manchester, UK in 1974 and 1979, respectively. She was chosen for the IChemE and SERC Special Award during 1978-1980 in order to write the Biochemical Engineering and Biotechnology Handbook with Professor Bernard Atkinson (Macmillan Publishers Ltd). Ferda became a lecturer in the Chemical Engineering Department of UMIST, Manchester in 1980. She was awarded the Senior CIBA-GEIGY Fellowship in 1989 for sabbatical at ETH Zurich. Her research was supported by both industrial companies, notably Albright and Wilson and Kaneka as well as the research councils. Her main research covers specialty chemicals production, such as pharmaceuticals by freely suspended and immobilised microbial, plant and animal cell cultures. In her research, Ferda uses both experimental and theoretical/computational approaches such as kinetics, mass transfer and metabolic flux balance analysis. She has also taught a wide range of chemical engineering and bioprocess engineering courses at graduate and undergraduate levels.

Oxford, UK

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