Arrange shells, filling side up, over sauce; top with remaining 1/2 cup marinara sauce, and sprinkle with remaining 1/4 cup Parmesan. Cover dish with foil; bake for 20 minutes.

Previously, poly(ε-caprolactone) (PCL) classical ring-banded spherulites with periodic twisted lamellae and nonclassical concentric ringed structures induced by rhythmic growth were obtained by ...