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Latest revision as of 09:14, 9 December 2017

Description

Design

Demonstrate

Measurement

Applied Design

Final Results

Achievements

Protocols

Notebook

Safety

Parts

Improved Part

Part Collection

InterLab

Model

Software

Collaboration

Detector

Quake Valve

Paperstrips

Sample Processing

Silver

Gold

Engagement

Collaborations

Team members

Sponsors

Attributions

Gallery

Complete overview of all modular hardware parts in our pathogen detection system. Shown are counterclockwise and starting in in the upper left corner: The Quake valve that controls fluid flow, our sample processing device, the paper strip where a reaction mix is stored and the readout reaction takes place and finally our low-cost fluorescence detector "Lightbringer" that performs the readout measurement. Images are clickable and linked to the corresponding wiki subsection.

Hardware

The liberation of diagnostic tests from expensive lab infrastructure requires innovative ways of sample processing and measuring. We therefore developed a set of portable hardware tools with the goal of providing an automated sample-to-answer solution. The heart of our system is ‘Lightbringer’, our fluorescence detector, which is capable of measuring kinetics of biological or chemical reactions on paper. Built from 3D–printed parts and standard electronic components, it can be assembled for less than 15$, while offering a sensitivity competitive to commercial fluorescence readers. Additionally, tackling the challenge of sample pre-processing in field, we developed a portable fluidic system, featuring a temperature control unit for lysis and isothermal PCR. Conceiving a platform independent of lab infrastructure, we demonstrate the feasibility of controlling fluid flow with bike tires and air balloons. All hardware components are designed and documented with the aim of enabling the community to reproduce and extend our set of tools.