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Shop Ronawk's E-Blocks

The E-Block is ideal for the production of Extra Cellular By-Products (protein, exosomes, extra cellular vesicles, etc.).

E-Blocks are already treated for cell adherence and growth, and DO NOT REQUIRE ANY COATING.

The E-Block is an important member of the Bio-Block Universe.  Bio-Blocks create micro-environments designed to make life easier and more consistent for any lab that is growing mammalian cell cultures.

Key Benefits:

1) E-Blocks eliminate subcultures, which eliminates the “start-stop” interruptions when growing cells.  This means cells can grow continuously while maintaining more consistent phenotypes and a lower risk of senescence
2) The cell mg/mL production is on par with or surpasses all other environments
3) This substrate allows for easier production and nearly eliminates contamination
4) Since it is expandable, the size of the culture and application are only limited by imagination
5) Due to the nature of these platforms, cultures can be extended indefinitely
6) This bioactive E-Block is treated for cell adherence and growth
7) Cell viability is consistently over 90%

The Spatulas are a great accessory to work with any block.  They can be autoclaved or ethanol washed.


  • Eliminate subcultures with E-Block
  • Expandable – Connect E-Blocks together to create more surface area
  • E-Blocks can be seeded with 100K to 1M cells. The more cells you seed, the more cells you will produce
  • E-Blocks can be imaged directly using light microscopy
  • E-Blocks enable cells to maintain more consistent phenotypes over traditional cultures
  • E-Blocks promote cellular activity and reduce senescence

E-Block Protocol: Click Here

E-Block Safety Data Sheet: Click Here

Learn More About Bio-Blocks

A Bio-Block™ Tour As Seen Through An Inverted Scope

Seeding E-Blocks™ from Ronawk with Cells

Which Ronawk Bio-Blocks™ is Right for You?

See more videos like these on our YouTube channel.

Questions About Customized Bio-Blocks or specific applications?

Contact us for questions about other options with our Bio-Block technology.