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

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 transdu...

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Main Authors: Alessandro Magazzù, Carlos Marcuello
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/13/6/963
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author Alessandro Magazzù
Carlos Marcuello
author_facet Alessandro Magazzù
Carlos Marcuello
author_sort Alessandro Magazzù
collection DOAJ
description 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.
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spelling doaj.art-c2252c45ea46428abdb21e048744883a2023-11-17T12:59:35ZengMDPI AGNanomaterials2079-49912023-03-0113696310.3390/nano13060963Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive ReviewAlessandro Magazzù0Carlos Marcuello1CNR-IPCF, Istituto per i Processi Chimico-Fisici, 98158 Mesina, ItalyInstituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, SpainSoft 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.https://www.mdpi.com/2079-4991/13/6/963atomic force microscopybiopolymerscellular membrane rigiditynanoindentationnanomechanicsoptical tweezers
spellingShingle Alessandro Magazzù
Carlos Marcuello
Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review
Nanomaterials
atomic force microscopy
biopolymers
cellular membrane rigidity
nanoindentation
nanomechanics
optical tweezers
title Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review
title_full Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review
title_fullStr Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review
title_full_unstemmed Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review
title_short Investigation of Soft Matter Nanomechanics by Atomic Force Microscopy and Optical Tweezers: A Comprehensive Review
title_sort investigation of soft matter nanomechanics by atomic force microscopy and optical tweezers a comprehensive review
topic atomic force microscopy
biopolymers
cellular membrane rigidity
nanoindentation
nanomechanics
optical tweezers
url https://www.mdpi.com/2079-4991/13/6/963
work_keys_str_mv AT alessandromagazzu investigationofsoftmatternanomechanicsbyatomicforcemicroscopyandopticaltweezersacomprehensivereview
AT carlosmarcuello investigationofsoftmatternanomechanicsbyatomicforcemicroscopyandopticaltweezersacomprehensivereview