@article{huang_li_liu_ding_2015,  title={Bifunctional Porous SiO<sub>2</sub> Complex Nanoparticles with Properties of Enzymatic Catalysis and Optical Oxygen Sensing},  volume={26},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20150164},  DOI={10.5935/0103-5053.20150164},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Huang, Jun and Li, Kun and Liu, Huichao and Ding, Liyun},  year={2015},  month={Sep},  pages={1871–1878} }