Fig. 1From: Delivery of acetamiprid to tea leaves enabled by porous silica nanoparticles: efficiency, distribution and metabolism of acetamiprid in tea plantsComparison of MSNs-C and MSNs. TEM images of A MSNs-C and B MSNs. C Infrared spectra of MSNs (a), Ace@MSNs (b) and unloaded ace (c), D nitrogen adsorption curves for adsorption curve of MSNs (squares), desorption curve of MSNs (circles), adsorption curve of Ace@MSNs (up triangles) and desorption curve of Ace@MSNs (down triangles) and (inset) pore size distribution of MSNs (squares) and Ace@MSNs (circles)Back to article page