<p>➀ Researchers developed an affordable ABLE device to detect airborne hazards by converting particles into liquid droplets for analysis; </p><p>➁ The $200 device uses silicon spikes to capture contaminants, enabling biomarker detection with low-cost tools like paper strips and optical sensors; </p><p>➂ Applied in healthcare (e.g., neonatal ICU monitoring) and environmental checks, with plans for miniaturization and real-time robotic integration.</p>