Microdialysis (BASI)

Microdialysis (BASI)

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IBR-4, Combination Infusion and Microdialysis Probe, 4mm membrane, 6/box

QVMD2264
IBR-4, Combination Infusion and Microdialysis Probe, 4mm membrane, 6/box


Product number     QVMD2264

  • Concentric-style microdialysis probe.
  • Standard membrane lengths: 2 mm and 4 mm.
  • Probe membrane is polyacrylonitrile (PAN) with an OD of 320µm.
  • Custom membrane and cannula lengths are available.


The “IBR” style microdialysis probe facilitates infusing a treatment directly to the area being dialyzed. Unlike when administering a treatment systemically or via retrodialysis through a microdialysis probe membrane, when this probe is used, you can both target your treatment with anatomical specificity and know exactly how much drug you have administered. This can also address solubility or molecular weight issues of retrodialysis. The infusate exits the infusion cannula at the distal tip of the microdialysis membrane just outside the membrane lumen.
  • IBR-2, 2mm membrane
  • Cannula: Coated fused silica
  • Probe Volume: 2.1 to 2.3µL
  • Infusion Cannula: Coated fused silica
  • Membrane: PAN. 30KDa MWCO, 320µm OD
  • Dimensions:
  • Membrane: OD 320µm/ID 220µm
  • Infusion Cannula Tip: OD 105µm/ID 40µm
  • Infusion Cannula Swept Volume: 0.56µL
  • Probe Cannula Diameter: OD 510µm/ID 360µm
  • Probe Cannula Length: 15 mm
  • Probe Cannula Length when in BASi® guide cannula: 10 mm
  • Head Diameter: 6.4mm
  • Tubing Inlet/Outlet: OD 635µm/ID 254µm


Use with optional intracerebral guide cannula, or mount directly on skull using acrylic cement. Commonly used for rats, hamsters, and guinea pigs. Non-metallic, can be used for NMR imaging.
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