DIY NanoDrop

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Attempt to build DIY Microvolume Spectrophotometers or Fluorospectrometers to quantitate micro-volumes of sample. The NanoDrop products are very popular in scientific labs. The measurement principle of holding a drop between two points - the light source and the sensor - allows to measure samples as small as 0.5µL up to 2µL micro volume without a cuvette. The basically simple principle should be perfect for DIY lab equipment.
To start simple, two approaches are tested, one using an LED and a photo sensor. The second, more advanced, using a DIY spectrometer.