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Probes

DiffBB

The DiffBB is a broadband gradient probe optimized for very strong gradient pulses and suitable for 5 mm sample tubes. The probe offers 1H-19F, X-broadband and a lock channel as well as a wide temperature range from -100 °C to 180 °C in a standard bore design.

Standard Bore Probe for 5 mm NMR sample tubes, a max. gradient strength of 17 T/m and a wide temperature range from -100 °C to 180 °C. The DiffBB is a broadband gradient probe with the Automatic Tuning Module (ATM) for NMR diffusion investigations of a wide range of diffusivities down to 1x10-14 m2/s (T1 > 1s  and T2 > 100 ms ). The DiffBB provides a high-performance water cooled single axis gradient. Variable temperature measurements are possible in the range of -100 °C to 180 °C. Together with the ATM this allows a series of fully automatic variable temperature experiments. The broadband channel configuration enables to observe a wide range of nuclei from 1H down to 15N.

Features

  • Standard Bore Probe, also compatible to WB and SWB magnets
  • Gradient strength of up to 17 T/m, water cooled
  • Switching time < 300 µs
  • 1H-19F / X-BroadBand (31P-15N) / Lock Channel
  • Automatic Tuning Module (ATM)
  • Sample transfer via SB-BST
  • Variable Temperature Control (compatible to BSVT, BCU,…)
  • BBI or BBO configuration

Applications

Multi-Nuclear In-Situ Pulsed Gradient Spin Echo (PGSE)
NMR Observation of Ion Mobility in Ionic Liquids Used
in Battery Technology

The need to decrease greenhouse gas emissions has strongly increased the need for electric energy storage devices such as rechargeable batteries and super capacitors. Lithium ion batteries currently offer the highest energy density and are therefore of great interest.
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Polymer Weight Distribution measured by PGSE NMR

The molecular weight distribution (MWD) and the polydispersity index (PDI) are important numbers for characterizing polymers.
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A signature of non-Gaussian diffusion in porous systems

A signature of non-Gaussian diffusion in porous systems

Diffusion is ubiquitous in porous systems and NMR may provide essential information about the underlying complex microstructure non-invasively. However, the interpretation of the NMR signal and its connection to the presence of non-Gaussian footprints or several Gaussian compartments is intricate.
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Specifications

DIFFBB      
Bore     SB / WB / SWB
1H frequency range 300 – 800 MHz
rf channels 1H-19F, 31P-15N. 2H Lock
Requirements MR Diffusion / MR Microscopy accessory
ATMA     Yes    
Gradient         
Directions     z    
Gradient strength per direction 17 T/m
OD 40 mm
Rise Time (5-95%), 0-60A,120V < 300 µs
Cooling     Water    
Maximum current tested 60 A
rf coil BBO or BBI design, one coil tunable 1H-19F + 2H lock, second coil BB tunable 31P – 15N
Standard sample temperature range (5 mm) -100 °C - 180 °C
Sample diameter 5 mm

Accessories

  • Diff Software Application
  • Dynamic Center  for data processing
  • Compatible with IconNMR and Bruker Sample changers for automation

LabScape

Service & Life Cycle Support for Magnetic Resonance and Preclinical Imaging

Bruker’s commitment to provide customers with unparalleled help throughout the buying cycle, from initial inquiry to evaluation, installation, and the lifetime of the instrument is now characterized by the LabScape service concept.

LabScape Maintenance Agreements, On-Site On-Demand and Enhance Your Lab are designed to offer a new approach to maintenance and service for the modern laboratory

Contact Expert

MR microscopy & MR diffusion applications team: micdiff@bruker.com