Figure 3.

FTIR absorption spectra of the samples: uncoated sample before storage in water (solid line), uncoated sample after storage in water (dashed line) and PLGA/PVA-coated sample after storage in water (dotted line). The storage was done in darkness for 2 weeks at room temperature.

Gongalsky et al. Nanoscale Research Letters 2012 7:446   doi:10.1186/1556-276X-7-446
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