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Konstruktion av provladdare till singelmolekyldetektor
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2010 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
Construction of sampleloader for single moleculedetector (English)
Abstract [en]

This report describes the development of a sample loader for my diploma work at Q-linea AB in Uppsala. The sample loader will replace the process of loading fluid samples into Q-linea’s instrument for biomolecule analysis. The earlier process was done by hand and was a time consuming and inefficient task.

The work was initiated with a design phase where an overview of the system was created. The sample loader will be receiving text commands from a PC that coordinates all the subsystems like pumps and lasers on the analysis instrument. The commands will be translated by a microcontroller into the correct movement of the samples needed to load them.

Most of the work was put down into developing the software responsible for handling communications and actuation of a couple of stepper motors. Lastly a circuit board was designed and manufactured, ready to be mounted into the existing instrument.

The result was a working prototype which now is used in the daily work at Q-linea. It is subject for further development and in the future it will be shipped as a part of the finished biomolecular analysis instrument from Q-linea.


Place, publisher, year, edition, pages
Keyword [sv]
examensarbete, rapport, provladdare, elektroteknik, automation, elektronik, kretskort, programmering, inbyggda system, mikroprocessor, hårdvara, mjukvara
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:uu:diva-148404ISRN: E-2010/08-SEOAI: diva2:402085
Educational program
Bachelor Programme in Electrical Engineering
2010-09-22, Biblioteket på Signaler och System, Uppsala, 15:00 (Swedish)
Available from: 2011-06-14 Created: 2011-03-06 Last updated: 2011-06-14Bibliographically approved

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Sundvall, Eddie
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