Low-cost, paper-based device can spot substandard medicines

Scientists have developed a simple, inexpensive paper-based device which can identify poor-quality or degraded medications within minutes.

so from now onwards, Instead of a USD 30,000 instrument, we could use a USD 1 paper card. 

Medications can be compromised in many different ways. For example, they may be bulked up with fillers, or they can degrade because they are stored improperly.