Figure 2: BN spheres alter cell morphology.
From: Hollow boron nitride nanospheres as boron reservoir for prostate cancer treatment

(a,b) Optical microscopy images of (a) LNCap and (b) DU145 prostate cancer cells after exposure to original culture mediums (a) and culture medium containing different samples at 5 μg ml−1 (b: BA; d: BNs-a; f: BNs-b; h: BNs-c) and 25 μg ml−1 (c: BA; e: BNs-a; g: BNs-b; i: BNs-c) for 6 days. BA at the equivalent B concentration was used as control.