Communication

Characterization of Microfluidic Gas Reactors Using Remote-Detection MRI and Parahydrogen-Induced Polarization†

  1. Dr. Vladimir V. Zhivonitko1,*,
  2. Dr. Ville-Veikko Telkki2,
  3. Prof. Igor V. Koptyug1

Article first published online: 2 JUL 2012

DOI: 10.1002/anie.201202967

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 51, Issue 32, pages 8054–8058, August 6, 2012

Additional Information

How to Cite

Zhivonitko, V. V., Telkki, V.-V. and Koptyug, I. V. (2012), Characterization of Microfluidic Gas Reactors Using Remote-Detection MRI and Parahydrogen-Induced Polarization. Angew. Chem. Int. Ed., 51: 8054–8058. doi: 10.1002/anie.201202967

Author Information

  1. 1

    Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, 3A Institutskaya St., Novosibirsk 630090 (Russia)

  2. 2

    Department of Physics, NMR Research Group, University of Oulu, P.O. Box 3000, 90014 Oulu (Finland)

*Laboratory of Magnetic Resonance Microimaging, International Tomography Center SB RAS, 3A Institutskaya St., Novosibirsk 630090 (Russia)

  1. †

    This work was supported by the Russian Government (grant 11.G34.31.0045), RFBR (11-03-93995-CSIC_a, 11-03-00248-a, 12-03-00403-a), the program of support of leading scientific schools (NSh-7643.2010.3), and the Academy of Finland (123847 and 139839). We thank Dr. J. Lounila for fruitful discussions. I.V.K. thanks Prof. C. Bianchini and Dr. P. Barbaro (ICCOM-CNR, Sesto Fiorentino, Firenze, Italy) for providing the sample of catalyst [Rh(cod)(sulfos)]/SiO2. V.V.Z. thanks I. E. Beck for providing the sample of catalyst Rh/TiO2.

Publication History

  1. Issue published online: 1 AUG 2012
  2. Article first published online: 2 JUL 2012
  3. Manuscript Revised: 18 MAY 2012
  4. Manuscript Received: 18 APR 2012

Funded by

  • Russian Government. Grant Number: 11.G34.31.0045
  • RFBR. Grant Numbers: 11-03-93995-CSIC_a, 11-03-00248-a, 12-03-00403-a
  • Academy of Finland. Grant Numbers: 123847, 139839

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Keywords:

  • heterogeneous catalysis;
  • microreactors;
  • NMR imaging;
  • remote detection;
  • sensitivity enhancement
Thumbnail image of graphical abstract

A substantial boost in sensitivity (almost 105-fold) achieved by combining remote-detection MRI and parahydrogen-induced polarization enabled microfluidic reactor imaging. Quantitative estimates of nuclear spin hyperpolarization, reaction product distribution, mass transport, and adsorption in the microfluidic reactors could thus be determined in situ. The reactors also serve as microfluidic nuclear spin polarizers.

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