Wireless Optogenetic Modulation of Cortical Neurons Enabled by Radioluminescent Nanoparticles
- Argonne National Lab. (ANL), Argonne, IL (United States); Fuzhou University (China)
- University of Maryland, College Park, MD (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States); Canadian Light Source Inc., Saskatoon, SK (Canada)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- University of Maryland School of Medicine, Baltimore, MD (United States)
- Uniformed Services University of the Health Sciences, Bethesda, MD (United States)
- University of Pittsburgh, PA (United States)
- Fuzhou University (China)
While offering high precision control of neural circuits, optogenetics is hampered by the necessity to implant fiber-optic waveguides in order to deliver photons to genetically engineered light-gated neurons in the brain. Unlike laser light, X-rays freely pass biological barriers. In this work, we show that radioluminescent Gd2(WO4)3:Eu nanoparticles, which absorb an external X-rays energy and then down-converter it into optical photons with wavelengths of ~610 nm, can be used for the transcranial stimulation of cortical neurons expressing red-shifted, ~590-630 nm, channelrhodopsin ReaChR, thereby promoting optogenetic neural control to the practical implementation of minimally-invasive wireless deep brain stimulation.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- National Institutes of Health (NIH); National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1774566
- Journal Information:
- ACS Nano, Journal Name: ACS Nano Journal Issue: 3 Vol. 15; ISSN 1936-0851
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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