Ultra Low Force Mechanical Testing
For Soft Materials
Ultra low force mechanical testing enables precise measurement of forces at the micro-Newton scale, allowing researchers to characterize ultra soft materials, hydrogels, microtissues, thin films, and delicate biomaterials that cannot be evaluated using conventional testing systems.
What Ultra Low Force Mechanical Testing Measures
Ultra low force testing systems quantify mechanical behaviour in materials that deform under very small loads. This approach is commonly referred to as micro Newton mechanical testing, reflecting the force resolution required for ultra soft and micro-scale specimens.
Because many biological constructs generate or resist extremely small forces, ultra low force mechanical testing is essential for accurate and reproducible data.
Measurement Examples
- Micro-Newton scale force response
- Stiffness and modulus in ultra soft materials
- Nonlinear strain behaviour under minimal loading
- Micro-scale tensile and compression mechanics
- Local deformation of thin or fragile constructs
- Mechanobiology related force production in microtissues
- Force displacement behaviour at extremely low loads
These measurements are essential for understanding soft biomaterial mechanics at force scales relevant to cellular and microtissue function, as well as for materials that fail, tear, or experience unintended deformation under standard force levels.
Ultra Low Force Testing in Biomaterials Research
Research involving ultra soft biomaterials requires precise force control and sensitive load measurement. These capabilities are central to ultra soft material testing, where even minimal loading can alter structure or induce damage. Ultra low force mechanical testing enables:
Common Sample Types for Ultra Low Force Testing
- Ultra soft hydrogels (low crosslink density)
- Microtissues and spheroids
- Engineered tissue fibres
- Thin polymer or elastomer films
- Micro printed scaffolds and constructs
- Micro-scale organoid models
- ECM derived sheets and delicate membranes
- Flexible microelectrodes or microwires
How Ultra Low Force Testing Works
Ultra low force mechanical testing uses specialized sensors and actuators designed to deliver and detect extremely small forces.
Micro Newton Mechanical Testing
Beams or optical sensors capture forces too small for traditional load cells.
Low Force Tensile Testing
Small clamps, micro hooks, or fiber grips apply tension without damaging ultra soft samples. This configuration supports low force tensile testing of fibers, gels, and micro-scale constructs without grip-induced artifacts.
Low Force Compression Testing
Indenters or small platens compress microtissues or gels with precise displacement control.
High Resolution Actuation
Systems operate at fine displacement increments to capture subtle mechanical changes.
Hydrated and Temperature-Controlled Conditions
Ultra soft samples often require fluid and thermal stability to maintain physiological mechanical behaviour.
Recommended CellScale Instruments for Ultra Low Force Testing
Two CellScale systems are capable of ultra low force mechanical testing with micro-Newton sensitivity for characterizing deformation and mechanics in ultra soft biomaterials.
UniVert (w/ Eclipse Ultra Low Force Sensor)
MicroTester
Relevant Research Applications
Ultra low force mechanical testing supports:
Featured Publications Using Ultra Low Force Testing
Related Testing Methods
Ultra low force testing supports precise measurement of ultra-soft materials.
Ready to Perform Ultra Low Force Mechanical Testing?
CellScale instruments provide micro-Newton scale measurement capabilities for ultra soft biomaterials and small-scale engineered constructs.
