Montana Technological University 2 articles published in JoVE Chemistry Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper Blaine Berrington1,2, Katelyn Alley1,4, Kristopher Bosch1,3, Kelli Thomas1,2, Katie Hailer4, Dario Prieto-Centurion1,5 1Applied Surface Science Laboratory, Montana Technological University, 2Department of Metallurgy and Materials Science, Montana Technological University, 3Department of Environmental Engineering, Montana Technological University, 4Department of Chemistry and Geochemistry, Montana Technological University, 5Department of Mechanical Engineering, Montana Technological University This study describes a method to expand chitin into a foam by chemical techniques that require no specialized equipment. Engineering Bacterial Cellulose Spheres that Encapsulate Solid Materials Laurel A. Bitterman1, Adolfo Martinez2, Catherine Mulholland1, Tyler Somerville3, Dario Prieto-Centurion4, Katherine R. Zodrow1 1Department of Environmental Engineering, Montana Technological University, 2Department of Petroleum Engineering, Montana Technological University, 3Department of Metallurgical & Materials Engineering, Montana Technological University, 4Department of Mechanical Engineering, Montana Technological University This protocol presents an easy, inexpensive method of forming bacterial cellulose (BC) spheres. This biomaterial can function as an encapsulation medium for solid materials, including biochar, polymer spheres, and mine waste.