Immune senescence is usually caused by age-related structural damage and functional changes in the body's immune system. Spleen, as the largest secondary lymphoid organ in human body, plays an importa
Smooth surface with CrN deposited on a prime-grade polished silicon wafer. The sample is UV/ozone (Ossila UV Ozone Cleaner) cleaned for 10 min. AFM scans (tapping mode in air) are performed on a Bruke