SATW - Do-it-yourself von Laborgeräten in der Bioanalytik

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Co-Development of a workshop on DIY laboratory instruments for bioanalytics, colorimetry, low-cost microcontrollers and simple DIY electronics, enzymatic assays. With a concept of "teach the teachers", we are looking into DIY lab-tools as means of a pedagogic tool for interdisciplinary thinking at the biomedical/engineering/molecular interface. Coproduced with SATW, Swiss Academy of Technical Sciences, Hackteria and FHNW, School for Lifesciences.

Unsere moderne Gesellschaft ist ohne Technologien nicht denkbar. Viele dieser Technologien werden nicht oder ungenügend verstanden. Eine eigene Urteilsbildung wird dadurch schwierig. Dies gilt auch für bioanalytische Methoden, welche heute in den unterschiedlichsten Bereichen eingesetzt werden. Es können chemische Substanzen, biologische Marker oder Gene in Lebensmitteln, der Umwelt oder in Flüssigkeiten und Geweben des menschlichen Körpers nachgewiesen werden. Die gemessenen Daten und deren Interpretation können für den einzelnen Menschen oder die Gesellschaft wichtig sein. Die Funktionsweise und Anwendungsmöglichkeiten dieser Geräte sind für Nichtspezialisten eine "black box". Wir möchten gerne das Verständnis für bioanalytische Messungen und Auswertungen nach dem Motto "bauen - messen - verstehen - reflektieren - vertrauen" verbessern. Im Rahmen dieses Projektes soll ein Workshop entwickelt und als Pilot mit interessierten Hochschuldozierenden (teach-the-teacher) durchgeführt werden.

Das Projekt wurde gefördert durch SATW, Schweizerische Akademie der Technischen Wissenschaften.


A very interesting and interdisciplinary group of participants has already come together, from various schools in Switzerland, from engineering, life science and design.


The goal of the workshop is to collaboratively develop further the educational concept of the Do-It-Yourself method for student training, document our experience and reflections as an educational guideline and hopefully co-develop an interesting summer (or winter) school concept to be held in 2015/16 in different universities.


We will have the opportunity that the output of our workshop will be published in the SATW News online publication and sent to their large network.



Weitere potentielle Teilnehmer

  • Brian Degger (AU/UK) - confirmed
  • Laura Suter-Dick, FHNW - confirmed
  • Sciotti Michelangelo, FHNW - confirmed
  • Andreas Thommen, FHNW-students - confirmed

  • Sachiko Hirosue, EPFL - confirmed, joins wed night for 2nd day
  • Thomas Vetterli, EPFL - almost confirmed, details will follow
  • Christoph Stamm, FHNW
  • Eric Kübler, FHNW
  • EPFL? Renaud? ?
  • Daniel Sciboz, HEAD - Interaction Design - no reply
  • LAPASO netzwerk? dresden? oder studi?
  • someone from the group of van der Meer, UNIL - sebatical
  • (Alexandre de Spindler, ZHAW - Bioinformatik) - no reply
  • Shintaro Miyazaki, Design (IXDM), FHNW - no time
  • Rüdiger Trojok, openbioprojects / synergenen / hackteria - no time
  • Silvio Dinardo, HLSU - no time
  • Robin Scheibler - EPFL - no time
  • 2 anderi Marcel Egli und Franziska Heinze - contacted later

Wir sollten noch weitere leute aus anderen Schulen mit dabei haben!

Sollen wir uns ausschliesslich auf deutsch sprechende teilnehmer konzentrieren?

Teach-the-Teachers Workshop

Fixed Date: 2 days 15-16. October 2014


  • Arrival and Welcome: 12h
  • Day 1: 13h - 18h - Building instruments
  • Dinner / Discussion
  • Day 2: 9h - 12h - Isolation and use of enzymes
  • Lunch
  • Day 2: 13:30 - 15h - Enzymes meet instruments
  • Day 2: 15:30 - 19h - Discussion outlook
  • (Voluntary Dinner for reflections)


Raum 229

HLS, Hochschule für Lifescience, Gründenstrasse 40, Muttenz (BL)

Site plan & directions

Overview Pilot Workshop

  • Was ist Do-it-Yourself und Open Hardware
  • Einführung in Elektronik, LED, Licht-Sensoren, Messtechnik
  • Konzepte der Bioanalytik / Photometric Analysis / Spectrophotemetry
  • Prototyping
  • Konzepte der Bioanalytik
  • Isolieren und anwenden eines Enzyms (Phosphatase aus Kartoffeln)
  • Test des DIY-Colorimeters mit Mikrokontroller - Vergleich mit dem DIY-Prototyp
  • Diskussion und Feedback zu den Lehrkonzepten
  • Ausblick

Voluntary Evening Reflection

informal discussion about the educational value of DIY and future summerschool concepts


Impressions from Workshop

Project Plan



SATW-DIY kit.jpg

more about DIY turbidity meters

Bauteile Starter Set Basic für FPGA oder Arduino Projekte mit Box P00000178 	1 Fr. 23.50
UV-LED im Transparenten Gehäuse / 5mm           P00000103   1 	Fr. 0.60
UV-LED im Transparenten Gehäuse / 3mm 	         P00000519   1 	Fr. 0.50
Kabel USB 2.0 A -> Mini 5-Pin 30cm Blau 	 P00000527   1 	Fr. 1.90
Platinenschalter 12 x 12 X 7 mm mit LED / Blau  P00000632   1 	Fr. 1.90
Lochraster-Steckplatine / Breadboard / Fullsize P00000473   1 	Fr. 11.90
SparkFun Seitenschneider 	                 TOL-08794   1 	Fr. 3.90
SparkFun Spitzzange 	                         TOL-08793   1 	Fr. 3.90
Krokodil Klemmen - Multicolored 10 Stück 	 P00000096   1 	Fr. 5.90

PLAY-ZONE GmbH Hinterbergstrasse 36 6330 Cham

Web: [1]

Zusätzliches Material aus Lab (Marc):

Coin Cell Batteries
Small Multimeters
Blue Tac 
Heissleimpistolen + Heissleim
paar kleine Schraubenzieher
ruber bands

Turbidity Meter

Laser Cut Turbidity Sensor Holder

SATW-TURBI kit.png

SATW-Kit turbidity meter

media:SATW_TURBI_kit.pdf File:SATW_bb.pdf breadboard setup <syntaxhighlight lang="c">

TrinketKeyboard example
For Trinket by Adafruit Industries
#include <TrinketKeyboard.h>
#define PIN_LED 1
#define PIN_BUTTON    0
const int analogInPin = 1;  // Analog input pin that the potentiometer is attached to
int sensorValue = 0;        // value read from the pot
void setup()
 // button pins as inputs
 pinMode(PIN_LED, OUTPUT);
 // setting input pins to high means turning on internal pull-up resistors
 digitalWrite(PIN_LED, HIGH);
 digitalWrite(PIN_BUTTON, HIGH);
 // remember, the buttons are active-low, they read LOW when they are not pressed
 // start USB stuff
void loop()
 // the poll function must be called at least once every 10 ms
 // or cause a keystroke
 // if it is not, then the computer may think that the device
 // has stopped working, and give errors

 if (digitalRead(PIN_BUTTON) == LOW)
     sensorValue = analogRead(analogInPin);            
   // type out a string using the Print class
   TrinketKeyboard.print("Sensor value ");


Beer-Lambert law

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Color and Beer

Color and Alcohol

You all know that there are different colors of beer, dark and light, but you might not know that it is an indicator of something, and an important measurement in q.c. for industrial beer production. The Degrees lovibond scale was invented by brewer Joseph WIlliams Lovibond who developed the first worlds first practical coloromiter Originally a sight only technique, it is now determined by spectroscopy at 430nm (uv/blue) the absorbance of This yellow comes as the result of a number of reactions, notably the Maillard (or browning reaction)

Pilot experiments

Recommended reading

A Low Cost Educational Atomic Force Microscope

can we even make our own DIY Atomic Force Microscope?

Videos / Interviews

A final Quote

"There is a growing realization that innovation processes do not automatically follow from the results of research, whatever their potential may be. The “linear model,” which foresees that basic research will somehow find its way to being transferred or translated into applied research, which will in turn later appear on the market in the form of commercially viable products or processes, appears as an idealized version of what happened in a given historical period, namely, after World War II. Nor can today’s innovation processes be left to entrepreneurs alone, however strong their “restlessness” (in a Schumpeterian sense) may be. The omnipresent quest for innovation, caught up as it has been in a globalized world, is a hybrid of many elements. It includes the availability of venture capital, and the creativity of determined individuals as much as the flexibility of institutions and regulatory processes".

- Helga Nowotny, The Quest for Innovation and Cultures of Technology, 2006