PROTOCOL EXTENSION Preparation and implementation of optofluidic neural probes for in vivo wireless pharmacology and optogenetics Jordan G McCall1–4, Raza Qazi5, Gunchul Shin6, Shuo Li6,14, Muhammad Hamza Ikram7, Kyung-In Jang6,8, Yuhao Liu6, Ream Al-Hasani1–4, Michael R Bruchas1–4,9,13, Jae-Woong Jeong5,7,13 & John A Rogers6,10–13 1Department of Anesthesiology, Division of Basic Research, Washington University School of Medicine, St. Louis, Missouri, USA. 2Washington University Pain Center, Washington University School of Medicine, St. Louis, Missouri, USA. 3Department of Neuroscience, Washington University School of Medicine, St. Louis, Missouri, USA. 4Division of Biology and Biomedical Sciences, Washington University School of Medicine, St. Louis, Missouri, USA. 5Department of Electrical, Computer, and Energy Engineering, University of Colorado Boulder, Colorado, USA. 6Department of Materials Science and Engineering, Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA. 7Materials Science and Engineering Program, University of Colorado Boulder, Colorado, USA. 8Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Korea. 9Department of Biomedical Engineering, Washington University, St. Louis, Missouri, USA. 10Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA. 11Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA. 12Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA. 13These authors contributed equally to this work. 14Present address: Department of Materials Science and Engineering, Cornell University, New York, USA. Correspondence should be addressed to M.R.B. (
[email protected]), J.-W.J. (
[email protected]), or J.A.R.