This video shows a micro-scale tensile test of a soft hydrogel specimen.
The specimen had an initial width of approximately 3.3 mm with a 4 mm gauge length between attachment sites. The measured elastic modulus was approximately 490 Pa. Micro-scale tensile testing is commonly used to characterize the mechanical behavior of soft biomaterials and hydrogels.
This test was performed using an earlier generation CellScale micro-scale testing system (the MicroSquisher). Current micro-scale tensile testing capabilities are available using the CellScale MicroTester.