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GravityTRAP™ ULA Plate 96-well, pack of 10

The InSphero GravityTRAP™ Ultra-Low Attachment (ULA) microplate represents a simple, flexible, and automation-compatible platform for the generation, long-term cultivation, observation and testing of scaffold-free 3D microtissue spheroids in 96-well format. Each plate consists of a special non-adhesively coated 96-well sterile-packaged GravityTRAP™ (Tissue Re-aggregation and Assay Plate), and lid.

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Product Number List Price Your Price Quantity
ISP-09-001 315.00 USD

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Many U-bottom ULA plates exhibit common problems such as poor spheroid formation, loss of spheroids during medium exchange, and difficulties imaging through curved plastic. GravityTrap™ ULA plates overcome these issues through the use of a SureXchange™ tapered ledge that facilitates easy medium exchange and prevents microtissue loss, an ultra-low attachment (ULA) coating to promote scaffold-free self-assembly, and a flat bottom observation chamber that enables brightfield microscopy applications and size measurements.

The GravityTRAP™ ULA Plate format is compatible with a broad variety of applications and allows for measurements with a multiwell plate reader or for visual inspection of microtissues by an inverted microscope (similar to analysis of standard 2D cultures):

  • Biochemical assays
  • Histology
  • Fluorescent and luminescent assays
  • Cellular imaging and analysis


GravityTRAP™ ULA Plates are recommended for:

  • Tumor cell lines and cell lines known to readily form spheroids
  • Low-cost screening of cell lines for spheroid formation


PerkinElmer is the exclusive distributor of InSphero GravityTRAP™ ULA plates and GravityPLUS™ Hanging Drop Systems. GravityTRAP™ and GravityPLUS™ are trademarks of InSphero.


Automation Compatible Yes
Coating Treatment ULA
Color Clear
Detection Method Confocal Imaging, High Content Imaging
Material Polystyrene
One Unit Contains 10 pack
Product Brand Name GravityTRAP
Quantity in a Package Amount 10.0 Units
Shipping Condition Ambient
Unit Size Pack of 10