APTES Duality and Nanopore Seed Regulation in Homogeneous and Nanoscale-Controlled Reduction of Ag Shell on SiO2 Microparticle for Quantifiable Single Particle SERS Breadcrumbs UL Home Research Publications Year of Publication 2018 Publisher AMER CHEMICAL SOC Journal Acs Omega DOI 10.1021/acsomega.8b01247