The coaction of tonic and phasic dopamine dynamics

Chem Commun (Camb). 2015 Feb 11;51(12):2235-8. doi: 10.1039/c4cc06165a.

Abstract

Tonic neurochemical dopamine activity underlies many brain functions; however a consensus on this important concentration has not yet been reached. In this work, we introduce in vivo fast-scan controlled-adsorption voltammetry to report tonic dopamine concentrations (90 ± 9 nM) and the dopamine diffusion coefficient (1.05 ± 0.09 × 10(-6) cm(2) s(-1)) in the mouse brain.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • 3,4-Dihydroxyphenylacetic Acid / chemistry
  • 3,4-Dihydroxyphenylacetic Acid / metabolism
  • Adsorption
  • Animals
  • Ascorbic Acid / chemistry
  • Ascorbic Acid / metabolism
  • Brain / metabolism
  • Dopamine / chemistry
  • Dopamine / metabolism*
  • Electrochemical Techniques
  • Mice
  • Monoamine Oxidase / metabolism

Substances

  • 3,4-Dihydroxyphenylacetic Acid
  • Monoamine Oxidase
  • Ascorbic Acid
  • Dopamine