A*STAR, Institute of Materials Research and Engineering 3 articles published in JoVE Biology Simple and Effective Administration and Visualization of Microparticles in the Circulatory System of Small Fishes Using Kidney Injection Ekaterina Borvinskaya1,2, Anton Gurkov1,3, Ekaterina Shchapova1, Dmitry Karnaukhov1, Anton Sadovoy4, Igor Meglinski1,5, Maxim Timofeyev1 1Institute of Biology at Irkutsk State University, 2Institute of Biology at Karelian Research Centre of Russian Academy of Sciences, 3Baikal Research Centre, 4Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 5University of Oulu, Optoelectronics and Measurement Techniques Laboratory This article demonstrates the principles of a quick, minimally invasive injection of fluorescent microparticles into the circulatory system of small fishes and the in vivo visualization of the microparticles in fish blood. Chemistry Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications Xiangzhao Ai1, Linna Lyu1, Jing Mu1, Ming Hu1, Zhimin Wang1, Bengang Xing1,2 1Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, 2Institute of Materials Research & Engineering, Agency for Science, Technology and Research (A*STAR) A protocol is presented for the synthesis of core-shell lanthanide-doped upconversion nanocrystals (UCNs) and their cellular applications for channel protein regulation upon near-infrared (NIR) light illumination. Chemistry Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures Xuanwei Ong*1, Shashank Gupta*1, Wen-Ya Wu2, Sabyasachi Chakrabortty1, Yinthai Chan1,3 1Department of Chemistry, National University of Singapore, 2Materials Processing and Characterisation Department, A*STAR, Institute of Materials Research and Engineering, 3Ceramics Department, A*STAR, Institute of Materials Research and Engineering A protocol detailing how shape-anisotropic colloidal cadmium chalcogenide nanocrystals can be covalently linked via their end facets is presented here.