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Fourier-transform infrared spectroscopy spectra of (A) unprocessed berberine; and nanoparticles prepared by (B) anti-solvent precipitation with a syringe pump (APSP), and (C) evaporative precipitation of nanosuspension (EPN).
Abbreviations: % T, percentage transmission; MB, material berberine; MB EPN, berberine nanoparticles prepared by EPN method; MB APSP, berberine nanoparticles prepared by APSP method.
