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Evonetix partner with LioniX International
News

Evonetix partner with LioniX International

Evonetix partner with LioniX International
News

Evonetix partner with LioniX International

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EVONETIX LTD, the Cambridge-based company pioneering an innovative approach to scalable and high-fidelity gene synthesis, and LioniX International, a leading global provider of customised microsystem solutions in scalable production volumes, will collaborate to scale up production of prototype microelectromechanical systems (MEMs) for DNA synthesis. LioniX International will use common silicon processing techniques and materials to manufacture a novel thermally addressable silicon array, which will enable Evonetix to control de novo DNA synthesis using its unique synergistic thermal control chemistry to deliver high-throughput assembly of high-fidelity gene-length DNA at scale.

LioniX International will use semiconductor microfabrication techniques to manufacture the thermally addressable silicon array, capable of independent thermal control of multiple reaction sites. Evonetix will use this array to control a synergistic synthesis chemistry, optimised to have reaction rates that are highly dependent on temperature, at each of the 10,000 miniaturised reaction sites, allowing for massive parallelism in the DNA synthesis process and therefore a very high throughput.

Dr Matthew Hayes, Chief Technology Officer at Evonetix, said: “We are excited to be working with LioniX International to develop our silicon array that will be a crucial enabler of Evonetix’s revolutionary DNA synthesis technology. Most existing technologies physically isolate the different oligonucleotides during synthesis in a well. In contrast, our array operates in a continuous flow of liquid with virtual wells made by independently controlled temperature islands. The extremely low effective volume of these virtual wells minimises reagent consumption and therefore cost, whilst the flexibility afforded by the lack of physical boundaries enables innovative synthesis and assembly processes, which are ultimately the key to our ability to synthesise long DNA fragments.”

Bi-directional heat control will ensure a continuous flow of heat within the liquid and deliver the steep temperature gradients that localise the virtual wells. This will be provided via the use of resistive heaters that pump heat into the liquid and a cooled substrate that removes heat through a thermal insulator with controlled thermal resistance.

Dr Andrew Ferguson, Head of Physics at Evonetix, said: “The key innovation in this approach is the realisation of a thermal insulator that provides a controlled, anisotropic thermal resistance. We have engineered a novel structured material that achieves this and can be manufactured by LioniX International using a modified MEMs process.”

Albert Prak, Group Leader MEMs at LioniX International, said: “We’re delighted to be working with Evonetix to develop this technology and have been able to use our MEMs and microfluidic processing expertise to realise a demanding and innovative design. We have been able to assist Evonetix with both process design and prototype manufacture.”
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