Expanding the Toolbox of Upconversion Nanoparticles for In Vivo Optogenetics and Neuromodulation

Angelo Homayoun All, Xiao Zeng, Daniel Boon Loong Teh, Zhigao Yi, Ankshita Prasad, Toru Ishizuka, Nitish V Thakor, Yawo Hiromu, Xiaogang Liu

Research output: Contribution to journalReview article

Abstract

Optogenetics is an optical technique that exploits visible light for selective neuromodulation with spatio-temporal precision. Despite enormous effort, the effective stimulation of targeted neurons, which are located in deeper structures of the nervous system, by visible light, remains a technical challenge. Compared to visible light, near-infrared illumination offers a higher depth of tissue penetration owing to a lower degree of light attenuation. Herein, an overview of advances in developing new modalities for neural circuitry modulation utilizing upconversion-nanoparticle-mediated optogenetics is presented. These developments have led to minimally invasive optical stimulation and inhibition of neurons with substantially improved selectivity, sensitivity, and spatial resolution. The focus is to provide a comprehensive review of the mechanistic basis for evaluating upconversion parameters, which will be useful in designing, executing, and reporting optogenetic experiments.

Original languageEnglish (US)
Article number1803474
JournalAdvanced Materials
DOIs
StateAccepted/In press - Jan 1 2019

Fingerprint

Nanoparticles
Neurons
Neurology
Lighting
Modulation
Tissue
Infrared radiation
Experiments

Keywords

  • in vivo optogenetics
  • near-infrared light
  • noninvasive neuromodulation
  • upconversion nanoparticles

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

All, A. H., Zeng, X., Teh, D. B. L., Yi, Z., Prasad, A., Ishizuka, T., ... Liu, X. (Accepted/In press). Expanding the Toolbox of Upconversion Nanoparticles for In Vivo Optogenetics and Neuromodulation. Advanced Materials, [1803474]. https://doi.org/10.1002/adma.201803474

Expanding the Toolbox of Upconversion Nanoparticles for In Vivo Optogenetics and Neuromodulation. / All, Angelo Homayoun; Zeng, Xiao; Teh, Daniel Boon Loong; Yi, Zhigao; Prasad, Ankshita; Ishizuka, Toru; Thakor, Nitish V; Hiromu, Yawo; Liu, Xiaogang.

In: Advanced Materials, 01.01.2019.

Research output: Contribution to journalReview article

All, Angelo Homayoun ; Zeng, Xiao ; Teh, Daniel Boon Loong ; Yi, Zhigao ; Prasad, Ankshita ; Ishizuka, Toru ; Thakor, Nitish V ; Hiromu, Yawo ; Liu, Xiaogang. / Expanding the Toolbox of Upconversion Nanoparticles for In Vivo Optogenetics and Neuromodulation. In: Advanced Materials. 2019.
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