Abstract: An organ-on-a-chip with a central chamber and microchannels on both sides allows the creation of 3D tissue models of the brain, accelerating real-time studies of cellular interactions, extravasation and drug delivery. It provides a morphologically and biologically realistic microenvironment that more accurately depicts in vivo reality.
SynBBB is a microfluidic device that allows to reconstruct the complexity of the brain in vivo microenvironment by replicating histological sections of brain tissue cells that communicate with endothelial cells across the blood-brain barrier (BBB). Interactions between brain tissue cells and endothelial cells are easily observed in the SynBBB model by biochemical or electrical analysis.
SynBBB is the only permitted in vitro model of BBB:
- Precise hemodynamic shear stress in vivo
- Real-time observation of drug transport, cellular and barrier functions
- Compatibility with standard analytical instruments
- A powerful and easy-to-use protocol
In addition, the IMN2 TEER option available with this model allows you to accurately measure resistance, providing a non-invasive way to monitor tight junctions in real time.
Indeed, the formation of tight junctions between cells, such as the blood-brain barrier, can be assessed by measuring changes in electrical resistance in the intercellular cell gap.The SynVivo Cell Impedance Analyzer is used in conjunction with the SynBBB TEER device to measure electrical impedance (resistance).
To run the SynBBB assay, two kit formats are available:
| Starter Kit | Test kits |
| 10 SynBBB chips (choice of IMN2 Radial, IMN2 Linear, or IMN2 Radial-TEER co-culture chips) Accessories include tubes, clamps, needles, and syringes Pneumatic perfusion device (for perfusing tubes to remove air) Cellular Impedance Analyzer* (Required for SynBBB TEER measurements)*Included in IMN2-TEER Starter Kit only. | 10 SynBBB chips (choice of IMN2 Radial, IMN2 Linear, or IMN2 Radial-TEER co-culture chips) Accessories include tubes, clamps, needles, and syringes Pneumatic perfusion device (for perfusing tubes to remove air) Cellular Impedance Analyzer* (required for SynBBB TEER measurements) |
To order chips only, select "Chips Only" in the kit selection.
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Schematic of the equipment used to develop the BBB model. The apical chamber (outer passage) is used to culture blood vessels (endothelial cells), while the basolateral chamber (central chamber) is used to culture brain tissue cells (astrocytes, pericytes, or neurons). The porous structure enables communication between blood vessels and tissue cells. Outer Channel Width (OC), Traveling Width (T), Slit Spacing (SS), Slit Width (WS).
| IMN2 radial | IMN2 TEER | IMN2 Linear |
 |  |  |
| Outer Channel (OC): 200 µm Tissue Chamber (red): 1.8 mm diameter Slit Spacing (S S): 50 µm Slit Width (W S ): 3 µm Travel (T): 50 µm Chip Depth: 100 µm | Outer Channel (OC): 200 µm Tissue Chamber (red): 1.8 mm diameter Slit Spacing (S S): 50 µm Slit Width (W S ): 3 µm Stroke (T): 50 µm Chip Depth: 100 µm with Impedance Capability | Channel width: 200-500-200 µm Tissue chamber (red): 1.8 mm diameter Slit spacing (S S): 50 µm Slit width (W S ): 3 µm Stroke: 50 µm |
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