Brain "BR" Style Microdialysis Probes

The "BR" style microdialysis probe is BASi's most popular.

  • Concentric-style microdialysis probe.
  • Standard membrane lengths: 1 mm, 2 mm, 3 mm and 4 mm.
  • Probe membrane is polyacrylonitrile (PAN) with an OD of 320µm.
  • The cannula length is optimized to reach anywhere in the rat brain.
  • Custom membrane and cannula lengths are available.
  • If you are working with mice, see the MBR style microdialysis probes.

Don’t see what you need?  BASi can help!  Submit your request for custom probes here!”

Probes can be sterilized, but there are some limitations.  Click here for more details!


Brain "BR" Microdialysis Probes
 Item No.  Description
 MD-2200  BR-2, Brain Microdialysis Probes, 2mm membrane (3/box)
 MD-2202  BR-1 Brain Microdialysis Probes  (3/box)
 MD-2203 BR-3 Brain Microdialysis Probes (3/box)
 MD-2204  Brain Microdialysis Probes, 4mm membrane (3/box)
Brain "BR" Intracerebral  Guide Cannulae
 Item No.   Description
  MD-2250  O-ring, Intracerebral Guide Cannula and Stylet (3/box)
  MD-2251  Omega-ring, Intracerebral Guide Cannula and Stylet (3/box)
Other accessories
 Item No.   Description
 MD-1300      Dental Acrylic Cement                                                                               

Ask us about customized probes & Guides

Cannula: Coated fused silica
Probe Volume: 2.1 to 2.3 µL (BR-2 or BR-4)
Membrane: to PAN. 30KDa MWCO, 320µm OD, 1, 2, 3 or 4 mm lengths in stock. 
Custom length probes available

 Membrane  OD 320µm  ID 220µm
 Probe Cannula Diameter  OD 510µm  ID 360µm
 Probe Cannula Length  15 MM  N/A
 Probe Cannula Length
 when in BASi® guide cannula
 10 mm  N/A
 Head Diameter  OD 6.4mm N/A
 Tubing Inlet/Outlet  OD 635µm  ID 254µm