Accepted Manuscript Silica nanospheres entrapped with ultra-small luminescent crystals for protein delivery Yangyang Li, Xiaoyi Chen, Heng Liu, Xiaozhou Mou, Zhaohui Ren, Zeeshan Ahmad, Xiang Li, Gaorong Han PII: S1385-8947(17)31220-2 DOI: http://dx.doi.org/10.1016/j.cej.2017.07.073 Reference: CEJ 17339 To appear in: Chemical Engineering Journal Received Date: 17 January 2017 Revised Date: 10 July 2017 Accepted Date: 12 July 2017 Please cite this article as: Y. Li, X. Chen, H. Liu, X. Mou, Z. Ren, Z. Ahmad, X. Li, G. Han, Silica nanospheres entrapped with ultra-small luminescent crystals for protein delivery, Chemical Engineering Journal (2017), doi: http://dx.doi.org/10.1016/j.cej.2017.07.073 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.