Mechanical Phenotyping
Mechanical Phenotyping - Related Videos
04:01
Revealing the Ferroptotic Phenotype of Medulloblastoma
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Cited by 2 •
2024
Lipid hydroperoxide content represents the most commonly used indicator of ferroptotic cell death. This article demonstrates the step-by-step flow cytometry analysis of lipid hydroperoxide content in cells upon ferroptosis induction.
12:43
On-Chip Endothelial Inflammatory Phenotyping
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Cited by 3 •
2012
Microfluidic flow chambers etched by photolithography and fabricated from PDMS are applied to probe functional outcomes associated with EC dysfunction and inflammation. In a representative experiment, the ability of differential shear stress to modulate monocytic cell adhesion to cytokine activated EC monolayers is demonstrated.
05:03
Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes
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Cited by 4 •
2023
The social threat-safety test allows a simultaneous assessment of social avoidance development as a measurement of aversive conditioned learning and social threat-safety discrimination ability, both utilized to identify stress-susceptible and stress-resilient individuals within a single group of chronically socially defeated male mice.
12:45
Mechanical Stimulation of Chondrocyte-agarose Hydrogels
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Cited by 29 •
2012
The biosynthesis of cartilaginous extracellular matrix by chondrocytes can be affected by application of mechanical stimuli. This method describes the technique of applying dynamic compressive strains to chondrocytes encapsulated in 3D constructs and the evaluation of induced changes in chondrocyte metabolism.
09:40
RNAi Screening to Identify Postembryonic Phenotypes in C. elegans
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Cited by 9 •
2012
We describe a sensitized method to identify postembryonic regulators of protein expression and localization in C. elegans using an RNAi-based genomic screen and an integrated transgene that expresses a functional, fluorescently tagged protein.
FAQs
Mechanical phenotyping turns force-response measurements into quantitative descriptors such as stiffness, viscoelasticity, adhesion, contractility, and traction force. Together, these readouts show how a sample deforms, resists deformation, interacts with its surroundings, or generates force. Comparing the resulting profiles helps connect material behavior with structural organization and functional state rather than relying on appearance alone.
Cytoskeletal organization provides a structural context for interpreting force-response data. Because measurements can be connected with cytoskeletal organization and cell state, a change in stiffness, contractility, or traction force may indicate more than a material difference. In bioengineering studies, this connection helps relate measured mechanics to cellular structure and function, including differences between biological samples.
Atomic force microscopy, microfluidic deformation assays, indentation, and tensile testing offer complementary measurement routes. The appropriate choice depends on whether the investigation emphasizes cellular or tissue behavior, biomaterial response, or a particular property such as stiffness, adhesion, or tensile behavior. Using the method that matches the target response makes comparisons more informative across cells, tissues, and engineered materials.
Comparative profiles can distinguish differences in cell state, tissue mechanics, or material behavior across biological samples. Because the measurements quantify properties such as stiffness, viscoelasticity, adhesion, contractility, and traction force, researchers can evaluate how samples respond differently to physical challenge. This supports more structured comparisons in disease studies, biomaterial development, and engineered tissue assessment.
Researchers can begin by defining the mechanical property or force response that matters, then select a compatible assay from the available approaches. Atomic force microscopy, microfluidic deformation assays, indentation, and tensile testing provide routes for examining cells, tissues, or biomaterials. Aligning the assay with the target property helps produce measurements that answer the intended bioengineering question.
Mechanical phenotyping supports disease modeling, cancer research, regenerative medicine, biomaterial design, and quality control for engineered tissues. Its measurements can also help develop more predictive in vitro models by linking observed mechanical behavior with cell state and tissue mechanics. In practice, this makes the approach useful both for studying biological differences and for evaluating engineered systems.