Im Imaging Striatal Dopamine wit ith a Synthetic Near-In Infrared - - PowerPoint PPT Presentation

im imaging striatal dopamine wit ith a synthetic near in
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Im Imaging Striatal Dopamine wit ith a Synthetic Near-In Infrared - - PowerPoint PPT Presentation

Im Imaging Striatal Dopamine wit ith a Synthetic Near-In Infrared Nanosensor Markita P. Landry Assistant Professor Department of Chemical and Biomolecular Engineering University of California, Berkeley landry@berkeley.edu landrylab.com


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Im Imaging Striatal Dopamine wit ith a Synthetic Near-In Infrared Nanosensor

Markita P. Landry

Assistant Professor Department of Chemical and Biomolecular Engineering University of California, Berkeley

landry@berkeley.edu landrylab.com @Landry_Lab 1

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L A N D R Y L A B

landry@berkeley.edu landrylab.com @Landry_Lab

Beyene et al. ACS Chem Neuro 2017 Beyene et al. Science Advances 2019 Jeong et al. Science Advances 2019 O’Donnell et al. Adv. Funct. Mat. 2017 DEEP-BRAIN MICROSCOPY PLANT & PLASTID TRANSFORMATION Landry et al. Nature Nano. 2017 NANOSENSORS NANO-BIO INTERACTIONS Beyene et al. Nano Letters 2018 Saleh et al. NanoImpact. 2017 Luo et al. ACS Sensors. 2017 O’Donnell et al. ACS Biochemistry. 2018 Chio et al. Nano Letters 2019 MEMBRANE INTERNALIZATION Li et al. RSC Chemical Science 2017 Zou et al. ACS Biochemistry. 2018 NEUROTRANSMITTER IMAGING

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Demirer et al. Nature Nanotechnology. 2019 Zhang et al. PNAS 2019 Demirer et al. Nature Protocols 2019

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The Brain Structure-Function Relationship

Del Bonis et al., Nano Research (2018)

Structure & Connectivity Electrical Activity Chemical Activity

Modulatory Neurotransmitters

Dopamine Serotonin Norepinephrine “Missing dimension” in neurobiology

~6% probability of dopamine release

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Blockers Antip ipsyc sychotic

  • tics

Stimulants/supplements Parkinson’s, Huntington’s Re-uptake blockers Antide idepres ressan ants ts

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Analyte Produces Selective Change in I or ʎ Analyte

Creating Molecular Recognition Sites for Neurotransmitter Dopamine

4 Zhang*, Landry*, et al. Nature Nanotechnology (2013) Landry, et al. Nature Nanotechnology (2017)

Amphiphilic Polymer Signal Transducer 1 nm ~200 nm

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0.3 mA Stim 0.3 mA Stim +NOMF

10 µm 10 µm

Dopamine Imaging Validation – Electrically-Stimulated Dopamine Release

(Dorsomedial Striatum)

ΔF/F quantification of stimulated dopamine release – single pulse electrical stimulation

Beyene et al. Science Advances (2019) With Linda Wilbrecht, UC Berkeley Psychology

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