At each time point (five minutes intervals), photoluminescence spectra was recorded using a FluoroMax 4 (Horiba, Jobin Yvon GmbH, Unterhaching, Germany) spectrophotometer working with a continuous 450 W xenon lamp at ex / em of: 365/605, 552/636 and 495/519 nm for PLGA encapsulating DDA-GSH-AuNCs, Nile red or fluorescein, respectively
It also has a collagen-boosting effect to improve the skins natural firmness, filling fine lines and wrinkles and injecting softness into dry, thirsty, leathery skin
Whether caused by sun damage, acne scarring, hormonal changes, or aging, these spots can significantly affect ones confidence and overall complexion
Bibcode:2011ChEuJ..1710151H