What is it about?

We demonstrate a simple and versatile nanomechanical force measuring setup with 1 nN precision in air and vacuum using a load cell of an ultra-micro balance. We validate the stability, precision, and linearity of the load cell with simple tests.

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Why is it important?

The setup is customized to measure the stress-strain response of biomaterials (silk, leaf, and flower) and capillary force in fluids.


We demonstrate nanomechanical force measurement in a high vacuum with the same precision and employ radiation pressure to calibrate the load cell for various precision measurements.

Mehra Sidhu
Indian Institute of Science Education and Research Mohali

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This page is a summary of: Time-resolved nano-Newton force spectroscopy in air and vacuum using a load cell of ultra micro-balance, Review of Scientific Instruments, April 2019, American Institute of Physics,
DOI: 10.1063/1.5086260.
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