Application note: Identifying microparticles with Raman imaging
Microparticles can be found everywhere, from pigments in paint and titanium dioxide in sunscreen to microplastics in water.
In pharmaceutical, cosmetic or dietary products, microspheres and microcapsules often serve as carrier systems for drugs or bioactive substances. The sizes or shapes of these particles can severely influence the pharmacokinetics of the contained active ingredient.1 Qualitative and quantitative microparticle analyses are thus of growing interest for research, development and quality control in the pharma, cosmetics and food industries.
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