Warsaw University of Technology 1 article published in JoVE Chemistry Synthesis and Characterization of Functionalized Metal-organic Frameworks Olga Karagiaridi1, Wojciech Bury1,2, Amy A. Sarjeant1, Joseph T. Hupp1, Omar K. Farha1,3 1Department of Chemistry, Northwestern University, 2Department of Chemistry, Warsaw University of Technology, 3Department of Chemistry, Faculty of Science, King Abdulaziz University Synthesis, activation, and characterization of intentionally designed metal-organic framework materials is challenging, especially when building blocks are incompatible or unwanted polymorphs are thermodynamically favored over desired forms. We describe how applications of solvent-assisted linker exchange, powder X-ray diffraction in capillaries and activation via supercritical CO2 drying, can address some of these challenges.