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Benzine O, Pan Z, Calahoo C, Bockowski M, Smedskjaer MM, Schirmacher W, Wondraczek L. Vibrational disorder and densification-induced homogenization of local elasticity in silicate glasses. Sci Rep 2021; 11:24454. [PMID: 34961778 PMCID: PMC8712522 DOI: 10.1038/s41598-021-04045-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 12/14/2021] [Indexed: 11/13/2022] Open
Abstract
We report the effect of structural compaction on the statistics of elastic disorder in a silicate glass, using heterogeneous elasticity theory with the coherent potential approximation (HET-CPA) and a log-normal distribution of the spatial fluctuations of the shear modulus. The object of our study, a soda lime magnesia silicate glass, is compacted by hot-compression up to 2 GPa (corresponding to a permanent densification of ~ 5%). Using THz vibrational spectroscopic data and bulk mechanical properties as inputs, HET-CPA evaluates the degree of disorder in terms of the length-scale of elastic fluctuations and the non-affine part of the shear modulus. Permanent densification decreases the extent of non-affine elasticity, resulting in a more homogeneous distribution of strain energy, while also decreasing the correlation length of elastic heterogeneity. Complementary 29Si magic angle spinning NMR spectroscopic data provide a short-range rationale for the effect of compression on glass structure in terms of a narrowing of the Si-O-Si bond-angle and the Si-Si distance.
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Affiliation(s)
- Omar Benzine
- Otto Schott Institute of Materials Research, University of Jena, 07743, Jena, Germany
| | - Zhiwen Pan
- Otto Schott Institute of Materials Research, University of Jena, 07743, Jena, Germany
| | - Courtney Calahoo
- Otto Schott Institute of Materials Research, University of Jena, 07743, Jena, Germany
| | - Michal Bockowski
- Institute of High-Pressure Physics, Polish Academy of Sciences, 01-142, Warsaw, Poland
| | - Morten M Smedskjaer
- Department of Chemistry and Bioscience, Aalborg University, 9220, Aalborg, Denmark
| | | | - Lothar Wondraczek
- Otto Schott Institute of Materials Research, University of Jena, 07743, Jena, Germany.
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Frontzek (neé Svanidze) AV, Embs JP, Paccou L, Guinet Y, Hédoux A. Low-Frequency Dynamics of BSA Complementarily Studied by Raman and Inelastic Neutron Spectroscopy. J Phys Chem B 2017; 121:5125-5132. [DOI: 10.1021/acs.jpcb.7b01395] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anna V. Frontzek (neé Svanidze)
- Jülich
Center for Neutron Science (JCNS), Forschungszentrum Jülich GmbH, Outstation
at MLZ, Lichtenbergstraße 1, 85747 Garching, Germany
- A.F. Ioffe Physical Technical Institute, ul. Politekhnicheskaya 26, 194021 St. Petersburg, Russian Federation
| | - Jan Peter Embs
- Laboratory
for Neutron Scattering and Imaging, Paul Scherrer Institut, CH-5232 Villigen, Switzerland
| | | | - Yannick Guinet
- Université Lille Nord de France, F-59000 Lille, France
- USTL UMET UMR CNRS 8207, F-59655 Villeneuve d’Ascq, France
| | - Alain Hédoux
- Université Lille Nord de France, F-59000 Lille, France
- USTL UMET UMR CNRS 8207, F-59655 Villeneuve d’Ascq, France
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3
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Caponi S, Mattana S, Ricci M, Sagini K, Urbanelli L, Sassi P, Morresi A, Emiliani C, Dalla Serra M, Iannotta S, Musio C, Fioretto D. Raman micro-spectroscopy study of living SH-SY5Y cells adhering on different substrates. Biophys Chem 2016; 208:48-53. [DOI: 10.1016/j.bpc.2015.07.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 07/16/2015] [Accepted: 07/29/2015] [Indexed: 11/25/2022]
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Perticaroli S, Ehlers G, Jalarvo N, Katsaras J, Nickels JD. Elasticity and Inverse Temperature Transition in Elastin. J Phys Chem Lett 2015; 6:4018-4025. [PMID: 26722771 DOI: 10.1021/acs.jpclett.5b01890] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Elastin is a structural protein and biomaterial that provides elasticity and resilience to a range of tissues. This work provides insights into the elastic properties of elastin and its peculiar inverse temperature transition (ITT). These features are dependent on hydration of elastin and are driven by a similar mechanism of hydrophobic collapse to an entropically favorable state. Using neutron scattering, we quantify the changes in the geometry of molecular motions above and below the transition temperature, showing a reduction in the displacement of water-induced motions upon hydrophobic collapse at the ITT. We also measured the collective vibrations of elastin gels as a function of elongation, revealing no changes in the spectral features associated with local rigidity and secondary structure, in agreement with the entropic origin of elasticity.
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Affiliation(s)
- Stefania Perticaroli
- Joint Institute for Neutron Sciences, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
- Chemical and Materials Sciences Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
- Department of Chemistry, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - Georg Ehlers
- Quantum Condensed Matter Division, Oak Ridge National Laboratory , P.O. Box 2008, Oak Ridge, Tennessee 37831, United States
| | - Niina Jalarvo
- Jülich Centre for Neutron Science (JCNS), Forschungszentrum Jülich , D-52425 Jülich, Germany
- Chemical and Engineering Materials Division, Neutron Sciences Directorate, and JCNS Outstation at the Spallation Neutron Source (SNS), Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
| | - John Katsaras
- Joint Institute for Neutron Sciences, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
- Biology and Soft Matter Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
| | - Jonathan D Nickels
- Joint Institute for Neutron Sciences, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
- Biology and Soft Matter Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
- The Department of Physics and Astronomy, University of Tennessee, Knoxville , Knoxville, Tennessee 37996, United States
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Palombo F, Winlove CP, Edginton RS, Green E, Stone N, Caponi S, Madami M, Fioretto D. Biomechanics of fibrous proteins of the extracellular matrix studied by Brillouin scattering. J R Soc Interface 2015; 11:20140739. [PMID: 25297313 DOI: 10.1098/rsif.2014.0739] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Brillouin light scattering (BLS) spectroscopy is a technique that is able to detect thermally excited phonons within a material. The speed of propagation of these phonons can be determined from the magnitude of the Brillouin frequency shift between incident and scattered light, thereby providing a measure of the mechanical properties of the material in the gigahertz range. The mechanical properties of the extracellular matrices of biological tissues and their constituent biopolymers are important for normal tissue function and disturbances in these properties are widely implicated in disease. BLS offers the prospect of measuring mechanical properties on a microscopic scale in living tissues, thereby providing insights into structure-function relationships under normal and pathological conditions. In this study, we investigated BLS in collagen and elastin-the fibrous proteins of the extracellular matrix (ECM). Measurements were made on type I collagen in rat tail tendon, type II collagen in articular cartilage and nuchal ligament elastin. The dependence of the BLS spectrum on fibre orientation was investigated in a backscattering geometry using a reflective substrate. Two peaks, a bulk mode arising from phonon propagation along a quasi-radial direction to the fibre axis and a mode parallel to the surface, depending on sample orientation relative to the fibre axis, could be distinguished. The latter peak was fitted to a model of wave propagation through a hexagonally symmetric elastic solid, and the five components of the elasticity tensor were combined to give axial and transverse Young's, shear and bulk moduli of the fibres. These were 10.2, 8.3, 3.2 and 10.9 GPa, and 6.1, 5.3, 1.9 and 8 GPa for dehydrated type I collagen and elastin, respectively. The former values are close to those previously reported. A microfocused BLS approach was also applied providing selection of single fibres. The moduli of collagen and elastin are much higher than those measured at lower frequency using macroscopic strains, and the difference between them is much less. We therefore believe, like previous investigators, that molecular-scale viscoelastic effects are responsible for the frequency dependence of the fibre biomechanics. Combining BLS with larger-scale mechanical testing methods therefore should, in the future, provide a means of following the evolution of mechanical properties in the formation of the complex structures found in the ECM.
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Affiliation(s)
| | | | | | - Ellen Green
- School of Physics, University of Exeter, Exeter EX4 4QL, UK
| | - Nick Stone
- School of Physics, University of Exeter, Exeter EX4 4QL, UK
| | - Silvia Caponi
- Istituto Officina dei Materiali del CNR (CNR-IOM) - Unità di Perugia, c/o Dipartimento di Fisica e Geologia, Perugia I-06100, Italy
| | - Marco Madami
- Dipartimento di Fisica e Geologia, Università di Perugia, Perugia I-06100, Italy
| | - Daniele Fioretto
- Dipartimento di Fisica e Geologia, Università di Perugia, Perugia I-06100, Italy Centro di Eccellenza su Materiali Innovativi Nanostrutturati (CEMIN), Università di Perugia, Perugia I-06100, Italy
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Caponi S, Corezzi S, Mattarelli M, Fioretto D. Stress effects on the elastic properties of amorphous polymeric materials. J Chem Phys 2014; 141:214901. [DOI: 10.1063/1.4902060] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- S. Caponi
- Istituto Officina dei Materiali del CNR (CNR-IOM) - Unità di Perugia, c/o Dipartimento di Fisica e Geologia, Perugia I-06100, Italy
| | - S. Corezzi
- Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06100 Perugia, Italy
- CNR-ISC (Istituto dei Sistemi Complessi), c/o Università di Roma “LaSapienza,” Piazzale A. Moro 2, I-00185 Roma, Italy
| | - M. Mattarelli
- NiPS Laboratory, Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06100 Perugia, Italy
| | - D. Fioretto
- Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06100 Perugia, Italy
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Bevzenko D, Lubchenko V. Self-consistent elastic continuum theory of degenerate, equilibrium aperiodic solids. J Chem Phys 2014; 141:174502. [DOI: 10.1063/1.4899264] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Dmytro Bevzenko
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, USA
| | - Vassiliy Lubchenko
- Department of Chemistry, University of Houston, Houston, Texas 77204-5003, USA
- Department of Physics, University of Houston, Houston, Texas 77204-5005, USA
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Frontzek AV, Strokov SV, Embs JP, Lushnikov SG. Does a dry protein undergo a glass transition? J Phys Chem B 2014; 118:2796-802. [PMID: 24559377 DOI: 10.1021/jp4104905] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Bovine serum albumin (BSA) with extremely low hydration level 0.04, which is usually defined as dry, has been investigated in the temperature range between 200 and 340 K by incoherent inelastic neutron scattering using the neutron time-of-flight spectrometer FOCUS (PSI, Switzerland). Anomalous temperature behavior has been revealed for relaxational and low-frequency vibrational dynamics of BSA in the vicinity of 250 K. The mean-square atomic displacement has been shown to exhibit a change in the slope of temperature dependence near the same temperature. The presented results point out that the glass-like transition occurs in the dry protein.
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Affiliation(s)
- Anna V Frontzek
- A.F. Ioffe Physical Technical Institute , ul. Politekhnicheskaya 26, 194032 Saint-Petersburg, Russian Federation
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