Particle bounce and re-entrainment can compromise the accuracy of Aerodynamic Particle Size Distribution (APSD) measurements in cascade impactors like the NGI or ACI for Orally Inhaled and Nasal Drug Products (OINDPs). This occurs when particles bounce back into the airflow, leading to an overestimation of the Fine Particle Dose (FPD).
The NGI Cup Coater mitigates this issue by applying a tacky coating (e.g., glycerol or silicone oil) to collection surfaces, ensuring better particle adhesion. This reduces bounce and enhances data accuracy, particularly for dry powder inhalers (DPIs) and metered-dose inhalers (MDIs). By standardizing the coating process, the NGI Cup Coater improves reproducibility, making it essential for precise inhaler testing.
Produkte
Consistent cup coating is a small step with a large impact on NGI results. The NGI Cup Coater brings control and repeatability to this preparation task, helping laboratories reduce variability tied to deposition and re-entrainment.
Why Coating Consistency Matters
Key Features
Integration With NGI Workflows
Use Cases
By standardizing coating application, the NGI Cup Coater helps teams strengthen the reliability of APSD data and reduce preparation bottlenecks in busy laboratories.