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Preparation and implementation of optofluidic neural probes for in vivo wireless pharmacology and optogenetics
- Preparation and implementation of optofluidic neural probes for in vivo wireless pharmacology and optogenetics
- McCall, Jordan G.; Qazi, Raza; Shin, Gunchul; Li, Shuo; Ikram, Muhammad Hamza; Jang, Kyung-In; Liu, Yuhao; Al-Hasani, Ream; Bruchas, Michael R.; Jeong, Jae-Woong; Rogers, John A.
- DGIST Authors
- Jang, Kyung-In
- Issue Date
- Nature Protocols, 12(2), 219-237
- Article Type
- Behavior; Blind Mice; Brain; Circuits; Drug Delivery; Ion Channels; Light Delivery; Neurons; Remote Control; System
- This Protocol Extension describes the fabrication and technical procedures for implementing ultrathin, flexible optofluidic neural probe systems that provide targeted, wireless delivery of fluids and light into the brains of awake, freely behaving animals. As a Protocol Extension article, this article describes an adaptation of an existing Protocol that offers additional applications. This protocol serves as an extension of an existing Nature Protocol describing optoelectronic devices for studying intact neural systems. Here, we describe additional features of fabricating self-contained platforms that involve flexible microfluidic probes, pumping systems, microscale inorganic LEDs, wireless-control electronics, and power supplies. These small, flexible probes minimize tissue damage and inflammation, making long-term implantation possible. The capabilities include wireless pharmacological and optical intervention for dissecting neural circuitry during behavior. The fabrication can be completed in 1-2 weeks, and the devices can be used for 1-2 weeks of in vivo rodent experiments. To successfully carry out the protocol, researchers should have basic skill sets in photolithography and soft lithography, as well as experience with stereotaxic surgery and behavioral neuroscience practices. These fabrication processes and implementation protocols will increase access to wireless optofluidic neural probes for advanced in vivo pharmacology and optogenetics in freely moving rodents.
- NATURE PUBLISHING GROUP
- Related Researcher
Jang, Kyung In
Bio-embedded Electronics Lab
Extreme mechanics; Stand-alone electronics; Heterogeneous materials; Biocompatible interfaces
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