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SELECTBIO Conferences Innovations in Microfluidics & 3D-Printing Europe 2024

Tom Robinson's Biography

Tom Robinson, Lecturer in Chemical Engineering, University of Edinburgh

Tom Robinson received an MSci in Physics (2005), an MRes in Chemical Biology (2007) and a PhD in Chemistry/Physics (2011) from Imperial College London. During his doctoral studies he was introduced to microfluidics under the guidance of Professor Andrew de Mello. He worked as a postdoctoral fellow at ETH Zurich with Professor Petra Dittrich from 2011 to 2014 where he developed microfluidic technologies dedicated to handling and analysing lipid vesicles. In 2014 he joined the Max Planck Institute of Colloids and Interfaces in Germany as a postdoctoral fellow with Dr. Rumiana Dimova and in 2016 he became an independent group leader within the MaxSynBio research network.In 2024 he started as aLecturer in Chemical Engineering at The University of Edinburgh. His current research interests are focussed on developing microfluidics for bottom-up synthetic biology applications. His work focusses on platforms designed to both create and analyse giant unilamellar vesicles (GUVs) and their subsequent use as artificial cells. These synthetic cells are created with multiple internal membrane-bound compartments mimicking eukaryotic cell organelles. The aim is to use these multi-compartment systems to setup enzyme-mediated cascade reactions and spatial organisation of the internal structures.

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Engineering Synthetic Cells from the Bottom-Up

Monday, 25 March 2024 at 14:30

Add to Calendar ▼2024-03-25 14:30:002024-03-25 15:30:00Europe/LondonEngineering Synthetic Cells from the Bottom-UpInnovations in Microfluidics and 3D-Printing Europe 2024 in Rotterdam, The NetherlandsRotterdam, The

One of the aims of synthetic biology is the bottom-up construction of synthetic cells from non-living components. Building biomimetic cells and controlling each aspect of their design not only provides the opportunity to understand real cells and their origins, but also offers alternative routes to novel biotechnologies. Giant unilamellar vesicles (GUVs) are commonly used as scaffolds to construct synthetic cells owing to their compatibility with existing biological components, but traditional methods to form them are limited. Microfluidic-based approaches for GUV production show great potential for encapsulating large biomolecules required for mimicking life-like functions (Yandrapalli et al. Micromachines, 11, 285, 2020; Love et al. Angew Chemie, 59, 5950–5957, 2020). First, I will present a microfluidic platform that is able to produce surfactant-free pure lipid GUVs in a high-throughput manner (Yandrapalli et al. Commun Chem, 4, 100, 2021). The major advancement is that the lipid membranes are produced in the absence of block co-polymers or surfactants that can affect their biocompatibility - which is commonly overlooked. The design can produce homogenously sized GUVs with tuneable diameters from 10 to 130 µm. Encapsulation is uniform and we show that the membranes are oil-free by measuring the diffusion of lipids via FRAP measurements. Next, I will present how we modified this device to encapsulate two sub-populations of nano-sized vesicles for the purpose of establishing enzymatic cascade reactions across membrane-bound compartments, therefore mimicking eukaryotic cells (Shetty et al. ACS Nano, 15, 15656, 2021). The final synthetic cell comprises three coupled enzymatic reactions, which propagate across three separate compartments in a specific direction due to size-selective membranes pores. Not only does microfluidics provide a high degree of control over the intra-vesicular conditions such as enzyme concentrations, buffers, and the number of inner compartments, but the monodispersity of our synthetic cells allows us to directly compare the effects that compartmentalization has on the biochemical reaction rates and product yields. This work demonstrates the effectiveness of microfluidics for the bottom-up assembly of synthetic cells, and paves the way for novel biotechnologies in areas such as compound production, sensing, and drug delivery.

Add to Calendar ▼2024-03-25 00:00:002024-03-26 00:00:00Europe/LondonInnovations in Microfluidics and 3D-Printing Europe 2024Innovations in Microfluidics and 3D-Printing Europe 2024 in Rotterdam, The NetherlandsRotterdam, The