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Spectra/Por® Micro-dialysis Hollow Fibers


in vivo Dialysis of Micro-liter Volumes

Implantation of individual micro-dialysis hollow fibers are ideal for the recovery or introduction of micro-quantity biologicals or pharmaceutical materials in a localized tissue environment. After injecting sample into the lumen with a syringe, simply dip the ends of the fiber in epoxy to seal, allow to dry and then implant. 20 individual RC hollow fibers cut in 15.24 cm (6 in.) lengths available in 13 kD and 18 kD MWCO's.

Features & Benefits


Biologically inert regenerated cellulose membrane
0.2 mm lumen ID for efficient dialysis of microliter volumes
Sealable with epoxy for implantation

Hollow Fiber Specifications


2 MWCO's:13 and 18 kD
Fiber OD:216 µm
Fiber ID:200 µm
Working Volume:5 µl/fiber
Surface Area / Length:6.3 mm2/cm
Volume / Length:0.31 µl/cm
*Q-Factor:20

*Q-factor is the ration between membrane surface area and volume. The Q-factor should be as high as possible for maximum efficiency and to reduce dialysis time.

Ordering Information: click on Part No. to add to cart

Part No.DescriptionMWCOLengthQtyPrice

132294in vivo Microdialysis Hollow Fibers13 kD15.24 cm20/pkg$128order part 132294
132295in vivo Microdialysis Hollow Fibers18 kD15.24 cm20/pkg$128order part 132295

Click on any part number for pricing information or to place an order.

Use a credit card on-line and get a 10% discount! Details here.

in vivo MicroDialysis Applications:

  • Introduction of pharmaceuticals for drug discovery
  • Localized tissue toxicity studies
  • Radio-isotope metabolite studies
  • Mutagenicity experimentation
  • Inter-cerebral dialysis of transmitters (catecholamines and neuropeptides)
  • Micro-dialysis of intracellular adenosine
Findamentals of Dialysis
Chemical Compatibility
Pore Size Chart
Application Notes

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