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This study aims to investigate the solubility of composites comprised of a degradable polymeric hydrogel and particles of a Ga-containing glass series, and relate this solubility information to the viability of MC-3T3 osteoblasts. Composites released a maximum of 4.7 mg/L of Ga after 30 days, and these extracts did not inhibit osteoblast viability.
Several examples of terahertz (THz) spectroscopic measurement results carried out for dielectric solids are reviewed, including THz time-domain spectra of polyamide-6 composites with nm-sized clay fillers obtained by the authors. For polyamide nanocomposites, it has become clear that the dielectric loss factor shows two peaks at around 1.9 THz and 2.7 to 3.1 THz. By referring to X-ray diffraction...
Visible and near infrared spectroscopy (Vis/NIR) combined with chemometric methods was employed to classify rice wines with different ages. Spectra of 240 wine samples (80 for each year) were collected in the Vis/NIR region (325-1075nm) in the spectroradiometer in transmission mode. Partial least squares (PLS) analysis was applied to extract the principal components (PCs) as new eigenvectors to represent...
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