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Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review. | LitMetric

Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review.

Nanomaterials (Basel)

Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain.

Published: March 2023

AI Article Synopsis

  • Soft matter has various intrinsic properties, and its mechanical characteristics are essential for evaluating performance, particularly through the lens of biomechanics.
  • Biomechanical interactions play a crucial role in health and disease, influencing cellular transduction processes.
  • The review highlights how atomic force microscopy (AFM) and optical tweezers (OT) can effectively measure nanomechanical parameters, such as Young's modulus, and presents recent examples of these techniques applied to hydrogels, biopolymers, and cellular systems.

Article Abstract

Soft matter exhibits a multitude of intrinsic physico-chemical attributes. Their mechanical properties are crucial characteristics to define their performance. In this context, the rigidity of these systems under exerted load forces is covered by the field of biomechanics. Moreover, cellular transduction processes which are involved in health and disease conditions are significantly affected by exogenous biomechanical actions. In this framework, atomic force microscopy (AFM) and optical tweezers (OT) can play an important role to determine the biomechanical parameters of the investigated systems at the single-molecule level. This review aims to fully comprehend the interplay between mechanical forces and soft matter systems. In particular, we outline the capabilities of AFM and OT compared to other classical bulk techniques to determine nanomechanical parameters such as Young's modulus. We also provide some recent examples of nanomechanical measurements performed using AFM and OT in hydrogels, biopolymers and cellular systems, among others. We expect the present manuscript will aid potential readers and stakeholders to fully understand the potential applications of AFM and OT to soft matter systems.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10053849PMC
http://dx.doi.org/10.3390/nano13060963DOI Listing

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