Our laboratory maintains six nuclear magnetic resonance (NMR) spectrometers.

Bruker Avance III HD 500 (HD-500)

Bruker Avance III HD 500

The Bruker Avance III HD 500 is a 2-channel spectrometer with a shielded Ascend magnet.

 

There is one probe available:

5mm Prodigy TCI cryoprobe with z-axis gradients

  • Proton S/N: 2500:1
  • Carbon S/N: 350:1
  • Fluorine S/N: 2000:1

This instrument is running under full automation mode with a SampleXpress autosampler.

 

 
  • Limited high temperature is available.
  • Contact facility staff if non-automated experiments must be run.

The magnet sits on a Technical Manufacturing Corporation vibration table to protect it from light rail vibrations. The magnet and samplechanger were installed in 2011, and the console and Prodigy probe were installed in July 2013. It is located in 194 Kolthoff Hall.

Acknowledgement statement for Bruker 500 MHz spectrometers: Research reported in this publication was supported by the Office of the Director, National Institutes of Health, under Award Number S10OD011952. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

 
 
 

Bruker Avance III 500 (AV-500)

The Bruker Avance III 500 is a three-channel spectrometer with a shielded Ascend magnet.

Bruker Avance III 500

Two probes are available. 5mm BBFO "SmartProbe" with z-axis gradients (currently in magnet)

  • Proton S/N: 730:1
  • Carbon S/N: 250:1
  • Fluorine S/N: 550:1
  • Phosphorus S/N: 180:1

5mm TBO triple resonance PFG probe 

  • Capable of C13 detection with simultaneous H1 and F19 decoupling
  • Proton S/N: 280:1
  • Carbon S/N: 220:1
  • Fluorine S/N: 220:1
  • Phosphorus S/N: 140:1

Probe changes must be scheduled with the NMR Lab staff. Variable temperature (+/- 150C) is available. This instrument is run in manual mode, but automation is available with a SampleCase autosampler.

The console and probes were installed in December 2011, and magnet and samplechanger were installed in 2013. It is located in 196 Kolthoff Hall.

Acknowledgement statement for Bruker 500 MHz spectrometers: Research reported in this publication was supported by the Office of the Director, National Institutes of Health, under Award Number S10OD011952. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

Varian Inova 500 (VI-500)

The Varian Inova 500, originally installed in 1989 as a Varian Unity, was upgraded in 1996 with a new console, a third RF channel, PFG (pulsed field gradients), and WFG (wave form generators).

Varian Inova 500

Several probes are currently available: 

 
  • 5mm H{P-X} triple resonance, Z-axis PFG probe (usually in the magnet)
  • 5mm H{C-X} triple resonance, triple-axis PFG probe
  • 5mm H{X} indirect detection probe
  • 5mm Broadband X{H} probe
  • 10mm Lowband X{H} probe

Probe changes must be scheduled with the NMR laboratory staff.

Variable temperature (-20C to +60C) is available.

It is located in 196 Kolthoff Hall.

Bruker Avance III HD 400 (AM-400)

Bruker Avance III HD nanobay AM-400

The Bruker Avance III HD nanobay AM-400 is a 2-channel spectrometer with a shielded Ascend magnet.

A 5 mm BBO SmartProbe with z-axis gradients is in use.

  • Proton S/N: 480:1
  • Carbon S/N: 200:1
  • Fluorine S/N: 500:1
  • Phosphorus S/N: 150:1

The probe can be tuned to almost any NMR-active nucleus.

Variable temperature (+/- 150C) is available. 

It was installed in May 2015, and is located in 194 Kolthoff Hall.

Acknowledgement statement for Bruker 400 MHz spectrometers: Research reported in this publication was supported by the Office of the Vice President of Research, College of Science and Engineering, and the Department of Chemistry at the University of Minnesota.

Bruker Avance III HD 400 (AX-400)

Bruker Avance III HD nanobay AX-400

The Bruker Avance III HD nanobay AX-400 is a two-channel spectrometer with a shielded Ascend magnet and 60-slot SampleXpress autosampler.

A 5 mm BBO SmartProbe with z-axis gradients is in use.

  • Proton S/N: 480:1
  • Carbon S/N: 200:1
  • Fluorine S/N: 500:1
  • Phosphorus S/N: 150:1

It is run in full automation mode.

It was installed in May 2015, and is located 194 Kolthoff Hall.

Acknowledgement statement for Bruker 400 MHz spectrometers: Research reported in this publication was supported by the Office of the Vice President of Research, College of Science and Engineering, and the Department of Chemistry at the University of Minnesota.

Varian Inova 300 (VI-300)

Varian Inova 300

Four probes are available on the Varian Inova 300:

  • 5mm 4-Nucleus (H1, C13, F19, P31) probe (usually in magnet)
  • 5mm Broadband X{H} probe
  • 5mm H1/F19 probe
  • 10mm Broadband X{H} probe

Variable temperature (-100C to +100C) is available.

There are no gradients on this instrument.

This was installed in 1996, and the SMS autosampler was installed in March 2014. It is located 196 Kolthoff Hall.

Contact

  • Mailing address
    Nuclear Magnetic Resonance Laboratory
    Department of Chemistry
    University of Minnesota
    207 Pleasant St SE
    Minneapolis, MN 55455

    • Nuclear Magnetic Resonance Laboratory
    • 194 & 196 Kolthoff Hall, 225 Pleasant St SE
    • Letitia Yao, Ph.D., Director
    • yaoxx006@umn.edu
    • (612) 625-8374