OpenLH

Abstract

The biological prototyping revolution is in motion, and new tools are needed to empower HCI researchers, designers, makers, and bio-enthusiasts to experiment with live organisms. We present OpenLH, a liquid handling system that empowers users to conduct accurate and repetitive experiments with live biology in a sterile, open, and affordable way. OpenLH integrates a commercially available robotic arm with custom 3D printed parts, a modified pipette, and a visual block-based programming interface. The system is as accurate as commercial liquid handlers, capable of repetitive tasks in micro-scale accuracy, easy to operate, and supports multi-materials including biomaterials, microorganisms and cell cultures. We describe the system's technical implementation and two custom interfaces. We demonstrate the system's impact for the HCI community with two use cases that include experimentation with live biology in non-traditional fields: visual design using pigment-expressing E.coli, and beer brewing experiment using serial dilution in home context.

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