Particle characterization helps decode how a material behaves by measuring its size, shape, composition, surface features, and concentration. These parameters influence everything from drug release and flow to chemical stability and process efficiency.
- Size affects dissolution, dispersion, and absorption. Techniques include microscopy, laser diffraction, and DLS.
- Shape alters flow, compressibility, and surface contact. Microscopy and automated image analysis detect variations.
- Composition reveals chemical identity through spectroscopy or elemental analysis.
- Surface properties like porosity, charge, and wettability determine interaction and retention. These are assessed using BET analysis, contact angle tests, or zeta potential.
- Concentration helps track uniformity and dosage using particle counters or flow cytometry.
