Device:

• can provide an estimate of glucose solution concentrations within a range of 0-12 mmol/L (the possible range found in human blood)
• Does not rely on non-reusable parts; microscope & cover slide is cleanable and reusable
• Cost to produce: $26, plus common e-waste and recyclable material (wires, resistors, cardboard, wood)

Mobile App:

• has the ability to record inputted data and graph it over time