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Title: In situ mechanical characterization of a single cell-cell adhesion interface under large strain

Abstract

A method of measuring a stress-strain curve in a cell-cell adhesion interface, the method including: providing a structure including a first movable island supported by a first beam, a second movable island supported by a second beam, and a gap therebetween connected by a pair of cells forming a junction, the pair of cells comprising a cell-cell adhesion interface having an initial length defined by a distance between nuclei of the pair of cells; moving the second movable island with a defined displacement; determining a displacement of the first movable island based on moving the second movable island; calculating a difference between the displacement of the first movable island and the defined displacement of the second movable island based on moving the second movable island; determining an applied strain in the cell-cell adhesion interface between the pair of cells based on the difference divided by the initial length of the cell-cell adhesion interface; calculating a force between the cell-cell adhesion interface of the pair of cells based on the displacement of the first movable island; calculating a stress in the cell-cell adhesion interface between the pair of cells based on the force; and determining the stress-strain curve of the cell-cellmore » adhesion interface between the pair of cells by plotting the calculated stress against the applied strain.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); NUtech Ventures, Lincoln, NE (United States)
Sponsoring Org.:
USDOE; National Institutes of Health (NIH); National Science Foundation (NSF)
OSTI Identifier:
2293996
Patent Number(s):
11846611
Application Number:
17/473,090
Assignee:
NUtech Ventures (Lincoln, NE); UT-Battelle, LLC (Oak Ridge, TN)
DOE Contract Number:  
AC05-00OR22725; P20 GM113126; P30 GM127200; 1826135
Resource Type:
Patent
Resource Relation:
Patent File Date: 09/13/2021
Country of Publication:
United States
Language:
English

Citation Formats

Yang, Ruiguo, Lavrik, Nikolay V., Esfahani, Amir Monemian, Rosenbohm, Jordan Daniel, Safa, Bahareh Tajvidi, and Minnick, Grayson. In situ mechanical characterization of a single cell-cell adhesion interface under large strain. United States: N. p., 2023. Web.
Yang, Ruiguo, Lavrik, Nikolay V., Esfahani, Amir Monemian, Rosenbohm, Jordan Daniel, Safa, Bahareh Tajvidi, & Minnick, Grayson. In situ mechanical characterization of a single cell-cell adhesion interface under large strain. United States.
Yang, Ruiguo, Lavrik, Nikolay V., Esfahani, Amir Monemian, Rosenbohm, Jordan Daniel, Safa, Bahareh Tajvidi, and Minnick, Grayson. Tue . "In situ mechanical characterization of a single cell-cell adhesion interface under large strain". United States. https://www.osti.gov/servlets/purl/2293996.
@article{osti_2293996,
title = {In situ mechanical characterization of a single cell-cell adhesion interface under large strain},
author = {Yang, Ruiguo and Lavrik, Nikolay V. and Esfahani, Amir Monemian and Rosenbohm, Jordan Daniel and Safa, Bahareh Tajvidi and Minnick, Grayson},
abstractNote = {A method of measuring a stress-strain curve in a cell-cell adhesion interface, the method including: providing a structure including a first movable island supported by a first beam, a second movable island supported by a second beam, and a gap therebetween connected by a pair of cells forming a junction, the pair of cells comprising a cell-cell adhesion interface having an initial length defined by a distance between nuclei of the pair of cells; moving the second movable island with a defined displacement; determining a displacement of the first movable island based on moving the second movable island; calculating a difference between the displacement of the first movable island and the defined displacement of the second movable island based on moving the second movable island; determining an applied strain in the cell-cell adhesion interface between the pair of cells based on the difference divided by the initial length of the cell-cell adhesion interface; calculating a force between the cell-cell adhesion interface of the pair of cells based on the displacement of the first movable island; calculating a stress in the cell-cell adhesion interface between the pair of cells based on the force; and determining the stress-strain curve of the cell-cell adhesion interface between the pair of cells by plotting the calculated stress against the applied strain.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {12}
}

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