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Wysokowski M, Luu RK, Arevalo S, Khare E, Stachowiak W, Niemczak M, Jesionowski T, Buehler MJ. Untapped Potential of Deep Eutectic Solvents for the Synthesis of Bioinspired Inorganic-Organic Materials. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:7878-7903. [PMID: 37840775 PMCID: PMC10568971 DOI: 10.1021/acs.chemmater.3c00847] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/02/2023] [Indexed: 10/17/2023]
Abstract
Since the discovery of deep eutectic solvents (DESs) in 2003, significant progress has been made in the field, specifically advancing aspects of their preparation and physicochemical characterization. Their low-cost and unique tailored properties are reasons for their growing importance as a sustainable medium for the resource-efficient processing and synthesis of advanced materials. In this paper, the significance of these designer solvents and their beneficial features, in particular with respect to biomimetic materials chemistry, is discussed. Finally, this article explores the unrealized potential and advantageous aspects of DESs, focusing on the development of biomineralization-inspired hybrid materials. It is anticipated that this article can stimulate new concepts and advances providing a reference for breaking down the multidisciplinary borders in the field of bioinspired materials chemistry, especially at the nexus of computation and experiment, and to develop a rigorous materials-by-design paradigm.
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Affiliation(s)
- Marcin Wysokowski
- Institute
of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, 60965 Poznan, Poland
- Laboratory
for Atomistic and Molecular Mechanics (LAMM), Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Rachel K. Luu
- Laboratory
for Atomistic and Molecular Mechanics (LAMM), Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
- Department
of Materials Science and Engineering, Massachusetts
Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Sofia Arevalo
- Laboratory
for Atomistic and Molecular Mechanics (LAMM), Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Eesha Khare
- Laboratory
for Atomistic and Molecular Mechanics (LAMM), Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
- Department
of Materials Science and Engineering, Massachusetts
Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Witold Stachowiak
- Institute
of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, 60965 Poznan, Poland
| | - Michał Niemczak
- Institute
of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, 60965 Poznan, Poland
| | - Teofil Jesionowski
- Institute
of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, 60965 Poznan, Poland
| | - Markus J. Buehler
- Laboratory
for Atomistic and Molecular Mechanics (LAMM), Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
- Center
for Computational Science and Engineering, Schwarzman College of Computing, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
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Østergaard M, Naver EB, Schüpbach D, Kaestner A, Strobl M, Brüel A, Thomsen JS, Schmidt S, Poulsen HF, Kuhn LT, Birkedal H. Correlative study of liquid in human bone by 3D neutron microscopy and lab-based X-ray μCT. Bone 2023; 175:116837. [PMID: 37419297 DOI: 10.1016/j.bone.2023.116837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/30/2023] [Accepted: 07/04/2023] [Indexed: 07/09/2023]
Abstract
Liquid plays an important role in bone that has a complex 3D hierarchical pore structure. However, liquid (water) is difficult to discern from e.g. an organic matrix by X-ray imaging. Therefore, we use a correlative approach using both high resolution X-ray and neutron imaging. Human femoral bone with liquid adsorbed into some of the pores was imaged with both the Neutron Microscope at the ICON beamline, SINQ at PSI, and by lab-based μCT using 2.7 μm voxel size. Segmentation of the two datasets showed that, even though the liquid was clearly distinguishable in the neutron data and not in the X-ray data, it remained challenging to segment it from bone due to overlaps of peaks in the gray level histograms. In consequence, segmentations from X-ray and neutron data varied significantly. To address this issue, the segmented X-ray porosities was overlaid on the neutron data, making it possible to localize the liquid in the vascular porosities of the bone sample and use the neutron attenuation to identify it as H2O. The contrast in the neutron images was lowered slightly between the bone and the liquid compared to the bone and the air. This correlative study shows that the complementary use of X-rays and neutrons is very favorable, since H2O is very distinct in the neutron data, while D2O, H2O, and organic matter can barely be distinguished from air in the X-ray data.
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Affiliation(s)
- Maja Østergaard
- Department of Chemistry and iNANO, Aarhus University, Aarhus, Denmark.
| | - Estrid Buhl Naver
- Department of Energy Conversion and Storage, Technical University of Denmark, Kongens Lyngby, Denmark.
| | - Delia Schüpbach
- Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, Villigen, Switzerland.
| | - Anders Kaestner
- Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, Villigen, Switzerland.
| | - Markus Strobl
- Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, Villigen, Switzerland; Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark.
| | - Annemarie Brüel
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.
| | | | - Søren Schmidt
- Data Management and Software Centre, European Spallation Source, Lund, Sweden.
| | | | - Luise Theil Kuhn
- Department of Energy Conversion and Storage, Technical University of Denmark, Kongens Lyngby, Denmark.
| | - Henrik Birkedal
- Department of Chemistry and iNANO, Aarhus University, Aarhus, Denmark.
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Stavri R, Tay T, Wiles CC, Di Federico E, Boughton O, Ma S, Karunaratne A, Churchwell JH, Bhattacharya R, Terrill NJ, Cobb JP, Hansen U, Abel RL. A Cross-Sectional Study of Bone Nanomechanics in Hip Fracture and Aging. Life (Basel) 2023; 13:1378. [PMID: 37374160 DOI: 10.3390/life13061378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/07/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Bone mechanics is well understood at every length scale except the nano-level. We aimed to investigate the relationship between bone nanoscale and tissue-level mechanics experimentally. We tested two hypotheses: (1) nanoscale strains were lower in hip fracture patients versus controls, and (2) nanoscale mineral and fibril strains were inversely correlated with aging and fracture. A cross-sectional sample of trabecular bone sections was prepared from the proximal femora of two human donor groups (aged 44-94 years): an aging non-fracture control group (n = 17) and a hip-fracture group (n = 20). Tissue, fibril, and mineral strain were measured simultaneously using synchrotron X-ray diffraction during tensile load to failure, then compared between groups using unpaired t-tests and correlated with age using Pearson's correlation. Controls exhibited significantly greater peak tissue, mineral, and fibril strains than the hip fracture (all p < 0.05). Age was associated with a decrease in peak tissue (p = 0.099) and mineral (p = 0.004) strain, but not fibril strain (p = 0.260). Overall, hip fracture and aging were associated with changes in the nanoscale strain that are reflected at the tissue level. Data must be interpreted within the limitations of the observational cross-sectional study design, so we propose two new hypotheses on the importance of nanomechanics. (1) Hip fracture risk is increased by low tissue strain, which can be caused by low collagen or mineral strain. (2) Age-related loss of tissue strain is dependent on the loss of mineral but not fibril strain. Novel insights into bone nano- and tissue-level mechanics could provide a platform for the development of bone health diagnostics and interventions based on failure mechanisms from the nanoscale up.
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Affiliation(s)
- Richard Stavri
- MSk Laboratory, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London W6 8PR, UK
| | - Tabitha Tay
- MSk Laboratory, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London W6 8PR, UK
| | - Crispin C Wiles
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
| | - Erica Di Federico
- Department of Bioengineering, Faculty of Engineering, Imperial College London, London SW7 2AZ, UK
| | - Oliver Boughton
- MSk Laboratory, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London W6 8PR, UK
- Department of Mechanical Engineering, Faculty of Engineering, Imperial College London, London SW7 2AZ, UK
| | - Shaocheng Ma
- Department of Mechanical Engineering, Faculty of Engineering, Imperial College London, London SW7 2AZ, UK
| | - Angelo Karunaratne
- Department of Mechanical Engineering, Faculty of Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka
| | - John H Churchwell
- Department of Medical Physics and Biomedical Engineering, University College London, London WCIE 6BT, UK
| | - Rajarshi Bhattacharya
- St. Mary's Hospital, Northwest London Major Trauma Centre, Imperial College London, London W2 1NY, UK
| | - Nicholas J Terrill
- Diamond Light Source Ltd., Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
| | - Justin P Cobb
- MSk Laboratory, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London W6 8PR, UK
| | - Ulrich Hansen
- Department of Mechanical Engineering, Faculty of Engineering, Imperial College London, London SW7 2AZ, UK
| | - Richard L Abel
- MSk Laboratory, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London W6 8PR, UK
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Grünewald TA, Johannes A, Wittig NK, Palle J, Rack A, Burghammer M, Birkedal H. Bone mineral properties and 3D orientation of human lamellar bone around cement lines and the Haversian system. IUCRJ 2023; 10:189-198. [PMID: 36786504 PMCID: PMC9980387 DOI: 10.1107/s2052252523000866] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/30/2023] [Indexed: 05/06/2023]
Abstract
Bone is a complex, biological tissue made up primarily of collagen fibrils and biomineral nanoparticles. The importance of hierarchical organization in bone was realized early on, but the actual interplay between structural features and the properties on the nanostructural and crystallographic level is still a matter of intense discussion. Bone is the only mineralized tissue that can be remodeled and, at the start of the formation of new bone during this process, a structure called a cement line is formed on which regular bone grows. Here, the orientational relationship of nanostructural and crystallographic constituents as well as the structural properties of both nanostructural and crystallographic constituents around cement lines and the Haversian system in human lamellar bone are investigated. A combination of small- and wide-angle X-ray scattering tensor tomography is employed together with diffraction tomography and synchrotron computed tomography to generate a multi-modal image of the sample. This work shows that the mineral properties vary as a function of the distance to the Haversian canal and, importantly, shows that the cement line has differing mineral properties from the surrounding lamellar bone, in particular with respect to crystallite size and degree of orientation. Cement lines make up a significant portion of the bone matrix despite their small size, hence the reported findings on an altered mineral structure, together with the spatial modulation around the Haversian canal, have implications for the formation and mechanics of bone.
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Affiliation(s)
- Tilman A. Grünewald
- The European Synchrotron, Avenue des Martyrs 71, Grenoble 38000, France
- Aix-Marseille Université, CNRS, Centrale Marseille, Institut Fresnel, Marseille 13013, France
- Correspondence e-mail: ,
| | - Andreas Johannes
- The European Synchrotron, Avenue des Martyrs 71, Grenoble 38000, France
| | - Nina K. Wittig
- Department of Chemistry and iNANO, Aarhus University, Gustav Wieds vej 14, Aarhus 8000, Denmark
| | - Jonas Palle
- Department of Chemistry and iNANO, Aarhus University, Gustav Wieds vej 14, Aarhus 8000, Denmark
| | - Alexander Rack
- The European Synchrotron, Avenue des Martyrs 71, Grenoble 38000, France
| | | | - Henrik Birkedal
- Department of Chemistry and iNANO, Aarhus University, Gustav Wieds vej 14, Aarhus 8000, Denmark
- Correspondence e-mail: ,
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