Doane University

2 ARTICLES PUBLISHED IN JoVE

Chemistry

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Dylan Richmond¹, Mason McCormick², Thilini K. Ekanayaka³, Jacob D. Teeter², Benjamin L. Swanson¹, Nicole Benker³, Guanhua Hao³, Sharmin Sikich⁴, Axel Enders⁵, Alexander Sinitskii², Carolina C. Ilie¹, Peter A. Dowben³, Andrew J. Yost³

¹Department of Physics, State University of New York-Oswego, ²Department of Chemistry, University of Nebraska-Lincoln, ³Department of Physics, University of Nebraska-Lincoln, ⁴Department of Chemistry, Doane University, ⁵Physikalisches Institut, Universität Bayreuth

A protocol for synthesizing inorganic-lead-halide hybrid perovskite quantum dot inks for inkjet printing and the protocol for preparing and printing the quantum dot inks in an inkjet printer with post characterization techniques are presented.

Bioengineering

Live Cell Analysis of Shear Stress on Pseudomonas aeruginosa Using an Automated Higher-Throughput Microfluidic System

Arin L. Sutlief^*1, Helena Valquier-Flynn¹, Christina Wilson¹, Marco Perez¹, Hunter Kleinschmidt², Brett J. Schofield², Elizabeth Delmain³, Andrea E. Holmes¹, Christopher D. Wentworth^*4

¹Department of Chemistry, Doane University, ²Department of Biology, Doane University, ³Department of Pathology and Microbiology, University of Nebraska Medical Center, ⁴Department of Physics and Engineering, Doane University

Here, we describe the use of a higher-throughput microfluidic bioreactor coupled with a fluorescent microscope for the analysis of shear stress effects on Pseudomonas aeruginosa biofilms expressing green fluorescent proteins, including instrument set up, the determination of biofilm coverage, growth rate, and morphological properties.