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Sandei I, Gaule T, Batchelor M, Paci E, Kim YY, Kulak AN, Tomlinson DC, Meldrum FC. Phage display identifies Affimer proteins that direct calcium carbonate polymorph formation. Biomater Sci 2024. [PMID: 39206560 PMCID: PMC11358866 DOI: 10.1039/d4bm00165f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 07/24/2024] [Indexed: 09/04/2024]
Abstract
A key factor in biomineralization is the use of organic molecules to direct the formation of inorganic materials. However, identification of molecules that can selectively produce the calcium carbonate polymorphs calcite or aragonite has proven extremely challenging. Here, we use a phage display approach to identify proteins - rather than the short peptides typically identified using this method - that can direct calcium carbonate formation. A 1.3 × 1010 library of Affimer proteins was displayed on modified M13 phage, where an Affimer is a ≈13 kDa protein scaffold that displays two variable regions of 9-13 residues. The phage displaying the Affimer library were then screened in binding assays against calcite and aragonite at pH 7.4, and four different strongly-binding proteins were identified. The two aragonite-binding proteins generated aragonite when calcium and magnesium ions were present at a 1 : 1 ratio, while the calcite-binding proteins produce magnesium-calcite under the same conditions. Calcite alone formed in the presence of all four proteins in the absence of magnesium ions. In combination with molecular dynamics simulations to evaluate the conformations of the proteins in solution, this work demonstrates the importance of conformation in polymorph control, and highlights the importance of magnesium ions, which are abundant in seawater, to reduce the energetic barriers associated with aragonite formation.
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Affiliation(s)
- Ilaria Sandei
- School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK.
| | - Thembaninkosi Gaule
- School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK.
- School of Molecular and Cellular Biology and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Matthew Batchelor
- School of Molecular and Cellular Biology and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Emanuele Paci
- School of Molecular and Cellular Biology and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Yi-Yeoun Kim
- School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK.
| | | | - Darren C Tomlinson
- School of Molecular and Cellular Biology and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Fiona C Meldrum
- School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK.
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2
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Tomioka D, Jung SA, Pich A, Matsusaki M. Fabrication of oxygen-releasing dextran microgels by droplet-based microfluidic method. RSC Adv 2024; 14:26544-26555. [PMID: 39175690 PMCID: PMC11339778 DOI: 10.1039/d4ra04356a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Accepted: 08/14/2024] [Indexed: 08/24/2024] Open
Abstract
In the tissue engineering field, the supply of oxygen to three-dimensional (3D) tissues is an important aspect to avoid necrosis due to hypoxia. Although oxygen-releasing bulk materials containing calcium peroxide (CaO2, CP) have attracted much attention, micrometer-sized oxygen-releasing soft materials would be advantageous because of their highly controllable structures, which can be applied for cell scaffolds, injectable materials, and bioink components in 3D bioprinting. In this study, oxygen-releasing microgels were fabricated via a droplet-based microfluidic system. Homogeneous, monodisperse and stable oxygen-releasing microgels were obtained by photo-crosslinking of droplets composed of biocompatible dextran modified with methacrylate groups and CP nanoparticles as an oxygen source. We also used our microfluidic system for the in situ amorphous calcium carbonate (CaCO3, ACC) formation on the surface of CP nanoparticles to achieve the controlled release of oxygen from the microgel. Oxygen release from an ACC-CP microgel in a neutral cell culture medium was suppressed because incorporation of CP in the ACC suppressed the reaction with water. Strikingly, stimuli to dissolve ACC such as a weak acidic conditions triggered the oxygen release from microgels loaded with ACC-CP, as the dissolution of CaCO3 allows CP to react. Taken together, applications of this new class of biomaterials for tissue engineering are greatly anticipated. In addition, the developed microfluidic system can be used for a variety of oxygen-releasing microgels by changing the substrates of the hydrogel network.
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Affiliation(s)
- Daisuke Tomioka
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Shannon Anna Jung
- DWI-Leibniz Institute for Interactive Materials, RWTH Aachen University Forckenbeckstraße 50 52074 Aachen Germany
- Institute for Technical and Macromolecular Chemistry, RWTH Aachen University Worringerweg 2 52074 Aachen Germany
| | - Andrij Pich
- DWI-Leibniz Institute for Interactive Materials, RWTH Aachen University Forckenbeckstraße 50 52074 Aachen Germany
- Institute for Technical and Macromolecular Chemistry, RWTH Aachen University Worringerweg 2 52074 Aachen Germany
| | - Michiya Matsusaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
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Caliskan HB, Ustok FI. Implications of intracrystalline OC17 on the protection of lattice incorporated proteins. SOFT MATTER 2024; 20:4886-4894. [PMID: 38860646 DOI: 10.1039/d4sm00371c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Biogenic CaCO3 formation is regulated by crystallization proteins during crystal growth. Interactions of proteins with nascent mineral surfaces trigger proteins to be incorporated into the crystal lattice. As a result of incorporation, these intracrystalline proteins are protected in the lattice, an example of which is ancient eggshell proteins that have persisted in CaCO3 for thousands of years even under harsh environmental conditions. OC17 is an eggshell protein known to interact with CaCO3 during eggshell formation during which OC17 becomes incorporated into the lattice. Understanding protein incorporation into CaCO3 could offer insights into protein stability inside crystals. Here, we study the protection of OC17 in the CaCO3 lattice. Using thermogravimetric analysis we show that the effect of temperature on intracrystalline proteins of eggshells is negligible below 250 °C. Next, we show that lattice incorporation protects the OC17 structure despite a heat-treatment step that is shown to denature the protein. Because incorporated proteins need to be released from crystals, we verify metal chelation as a safe crystal dissolution method to avoid protein denaturation during reconstitution. Finally, we optimize the recombinant expression of OC17 which could allow engineering OC17 for engineered intracrystalline entrapment studies.
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Affiliation(s)
- Huseyin Burak Caliskan
- University of Cambridge, Department of Engineering, Trumpington Street, CB2 1PZ Cambridge, UK.
- University of Cambridge, The Nanoscience Centre, 11 JJ Thomson Avenue, CB3 0FF Cambridge, UK
| | - Fatma Isik Ustok
- University of Cambridge, Cambridge Institute for Medical Research, Department of Haematology, The Keith Peters Building, Hills Road, CB2 0XY Cambridge, UK
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Ruiz-Agudo C, Cölfen H. Exploring the Potential of Nonclassical Crystallization Pathways to Advance Cementitious Materials. Chem Rev 2024; 124:7538-7618. [PMID: 38874016 PMCID: PMC11212030 DOI: 10.1021/acs.chemrev.3c00259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
Understanding the crystallization of cement-binding phases, from basic units to macroscopic structures, can enhance cement performance, reduce clinker use, and lower CO2 emissions in the construction sector. This review examines the crystallization pathways of C-S-H (the main phase in PC cement) and other alternative binding phases, particularly as cement formulations evolve toward increasing SCMs and alternative binders as clinker replacements. We adopt a nonclassical crystallization perspective, which recognizes the existence of critical intermediate steps between ions in solution and the final crystalline phases, such as solute ion associates, dense liquid phases, amorphous intermediates, and nanoparticles. These multistep pathways uncover innovative strategies for controlling the crystallization of binding phases through additive use, potentially leading to highly optimized cement matrices. An outstanding example of additive-controlled crystallization in cementitious materials is the synthetically produced mesocrystalline C-S-H, renowned for its remarkable flexural strength. This highly ordered microstructure, which intercalates soft matter between inorganic and brittle C-S-H, was obtained by controlling the assembly of individual C-S-H subunits. While large-scale production of cementitious materials by a bottom-up self-assembly method is not yet feasible, the fundamental insights into the crystallization mechanism of cement binding phases presented here provide a foundation for developing advanced cement-based materials.
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Affiliation(s)
- Cristina Ruiz-Agudo
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany
| | - Helmut Cölfen
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany
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5
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Nguyen TTM, Hazoor S, Vuong T, Kydd L, Shortt I, Foss FW, La Plante E. Synthesis of Metastable Calcium Carbonate Using Long-Chain Bisphosphonate Molecules. ACS APPLIED MATERIALS & INTERFACES 2024; 16:30567-30579. [PMID: 38830119 DOI: 10.1021/acsami.4c04218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Cementation in construction materials primarily relies on the aqueous precipitation of minerals such as carbonates and silicates. The kinetics of nucleation and growth play a critical role in the development of strength and durability, yet our understanding of the kinetic controls governing phase formation and porosity reduction in cements remains limited. In this study, we synthesized bisphosphonate molecules with varying alkyl chain lengths and functional groups to investigate their impact on calcium carbonate precipitation. Through conductivity measurements, infrared spectroscopy, and thermogravimetric analysis, we uncovered the selective formation of polymorphs and the specific incorporation of these molecules within the carbonate matrix. Further, in situ atomic force microscopy revealed that these molecules influenced the morphology of the precipitates, indicating a possible effect on the ionic organization through sorption mechanisms. Interestingly, amorphous calcium carbonate (ACC), when formed in the presence of bisphosphonates, showed metastability for at least seven months without inhibiting further calcium carbonate precipitation. Our research sheds light on the diverse mechanisms by which organic additives can modify mineral nucleation and growth, offering valuable insights for the control and enhancement of carbonate-based cementation processes.
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Affiliation(s)
- Trinh Thao My Nguyen
- Department of Materials Science and Engineering, University of California, Davis, Davis, California 95616, United States
| | - Shan Hazoor
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Thanh Vuong
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - LeMaur Kydd
- Department of Mathematics, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Ian Shortt
- Department of Materials Science and Engineering, University of California, Davis, Davis, California 95616, United States
- Department of Materials Science and Engineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Frank W Foss
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Erika La Plante
- Department of Materials Science and Engineering, University of California, Davis, Davis, California 95616, United States
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Liu JH, Huang C, Wu H, Long Y, Tang X, Li H, Shen J, Zhou B, Zhang Y, Xu Z, Fan J, Zeng XC, Lu J, Li YY. From salt water to bioceramics: Mimic nature through pressure-controlled hydration and crystallization. SCIENCE ADVANCES 2024; 10:eadk5047. [PMID: 38416835 PMCID: PMC10901369 DOI: 10.1126/sciadv.adk5047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/24/2024] [Indexed: 03/01/2024]
Abstract
Modern synthetic technology generally invokes high temperatures to control the hydration level of ceramics, but even the state-of-the-art technology can still only control the overall hydration content. Magically, natural organisms can produce bioceramics with tailorable hydration profiles and crystallization traits solely from amorphous precursors under physiological conditions. To mimic the biomineralization tactic, here, we report pressure-controlled hydration and crystallization in fabricated ceramics, solely from the amorphous precursors of purely inorganic gels (PIGs) synthesized from biocompatible aqueous solutions with most common ions in organisms (Ca2+, Mg2+, CO32-, and PO43-). Transparent ceramic tablets are directly produced by compressing the PIGs under mild pressure, while the pressure regulates the hydration characteristics and the subsequent crystallization behaviors of the synthesized ceramics. Among the various hydration species, the moderately bound and ordered water appears to be a key in regulating the crystallization rate. This nature-inspired study offers deeper insights into the magic behind biomineralization.
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Affiliation(s)
- Jia-Hua Liu
- CityU-Shenzhen Futian Research Institute, Shenzhen 518045, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Centre, City University of Hong Kong, Hong Kong, China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong, China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Changxiong Huang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Haikun Wu
- Hong Kong Branch of National Precious Metals Material Engineering Research Centre, City University of Hong Kong, Hong Kong, China
| | - Yunchen Long
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Xinxue Tang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Hongkun Li
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Junda Shen
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Binbin Zhou
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yibo Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Zhengtao Xu
- Institute of Materials Research and Engineering (IMRE), Agency of Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138637, Singapore
| | - Jun Fan
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Xiao Cheng Zeng
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
| | - Jian Lu
- CityU-Shenzhen Futian Research Institute, Shenzhen 518045, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Centre, City University of Hong Kong, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute and Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, China
| | - Yang Yang Li
- CityU-Shenzhen Futian Research Institute, Shenzhen 518045, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Centre, City University of Hong Kong, Hong Kong, China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong, China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute and Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, China
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7
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Clarà Saracho A, Marek EJ. Uncovering the Dynamics of Urease and Carbonic Anhydrase Genes in Ureolysis, Carbon Dioxide Hydration, and Calcium Carbonate Precipitation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:1199-1210. [PMID: 38173390 DOI: 10.1021/acs.est.3c06617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
The hydration of CO2 suffers from kinetic inefficiencies that make its natural trapping impractically sluggish. However, CO2-fixing carbonic anhydrases (CAs) remarkably accelerate its equilibration by 6 orders of magnitude and are, therefore, "ideal" catalysts. Notably, CA has been detected in ureolytic bacteria, suggesting its potential involvement in microbially induced carbonate precipitation (MICP), yet the dynamics of the urease (Ur) and CA genes remain poorly understood. Here, through the use of the ureolytic bacteriumSporosarcina pasteurii, we investigate the differing role of Ur and CA in ureolysis, CO2 hydration, and CaCO3 precipitation with increasing CO2(g) concentrations. We show that Ur gene up-regulation coincides with an increase in [HCO3-] following the hydration of CO2 to HCO3- by CA. Hence, CA physiologically promotes buffering, which enhances solubility trapping and affects the phase of the CaCO3 mineral formed. Understanding the role of CO2 hydration on the performance of ureolysis and CaCO3 precipitation provides essential new insights, required for the development of next-generation biocatalyzed CO2 trapping technologies.
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Affiliation(s)
- Alexandra Clarà Saracho
- Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, 301 E Dean Keeton St C1700, Austin, Texas 78712, United States
| | - Ewa J Marek
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, United Kingdom
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8
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Nicholas TC, Stones AE, Patel A, Michel FM, Reeder RJ, Aarts DGAL, Deringer VL, Goodwin AL. Geometrically frustrated interactions drive structural complexity in amorphous calcium carbonate. Nat Chem 2024; 16:36-41. [PMID: 37749235 PMCID: PMC10774122 DOI: 10.1038/s41557-023-01339-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 08/24/2023] [Indexed: 09/27/2023]
Abstract
Amorphous calcium carbonate is an important precursor for biomineralization in marine organisms. Key outstanding problems include understanding the structure of amorphous calcium carbonate and rationalizing its metastability as an amorphous phase. Here we report high-quality atomistic models of amorphous calcium carbonate generated using state-of-the-art interatomic potentials to help guide fits to X-ray total scattering data. Exploiting a recently developed inversion approach, we extract from these models the effective Ca⋯Ca interaction potential governing the structure. This potential contains minima at two competing distances, corresponding to the two different ways that carbonate ions bridge Ca2+-ion pairs. We reveal an unexpected mapping to the Lennard-Jones-Gauss model normally studied in the context of computational soft matter. The empirical model parameters for amorphous calcium carbonate take values known to promote structural complexity. We thus show that both the complex structure and its resilience to crystallization are actually encoded in the geometrically frustrated effective interactions between Ca2+ ions.
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Affiliation(s)
- Thomas C Nicholas
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Adam Edward Stones
- Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Adam Patel
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - F Marc Michel
- Department of Geosciences, Virginia Tech, Blacksburg, VA, USA
| | - Richard J Reeder
- Department of Geosciences, Stony Brook University, Stony Brook, NY, USA
| | - Dirk G A L Aarts
- Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Volker L Deringer
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK.
| | - Andrew L Goodwin
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK.
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9
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Gao X, Wang Z, Yang H, Huang C. Rapid Intrafibrillar Mineralization Strategy Enhances Adhesive-Dentin Interface. J Dent Res 2024; 103:42-50. [PMID: 37990799 DOI: 10.1177/00220345231205492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023] Open
Abstract
Biomimetic mineralization of dentin collagen appears to be a promising strategy to optimize dentin bonding durability. However, traditional postbonding mineralization strategies based on Ca/P ion release still have some drawbacks, such as being time-consuming, having a spatiotemporal mismatch, and having limited intrafibrillar minerals. To tackle these problems, a prebonding rapid intrafibrillar mineralization strategy was developed in the present study. Specifically, polyacrylic acid-stabilized amorphous calcium fluoride (PAA-ACF) was found to induce rapid intrafibrillar mineralization of the single-layer collagen model and dentin collagen at just 1 min and 10 min, as identified by transmission electron microscopy, scanning electron microscopy, and atomic force microscopy. This strategy has also been identified to strengthen the mechanical properties of demineralized dentin within a clinically acceptable timeframe. Significantly, the bonding strength of the PAA-ACF-treated groups outperformed the control group irrespective of aging modes. In addition, the endogenous matrix metalloproteinases as well as exogenous bacterial erosion were inhibited, thus reducing the degradation of dentin collagen. High-quality integration of the hybrid layer and the underlying dentin was also demonstrated. On the basis of the present results, the concept of "prebonding rapid intrafibrillar mineralization" was proposed. This user-friendly scheme introduced PAA-ACF-based intrafibrillar mineralization into dentin bonding for the first time. As multifunctional primers, PAA-ACF precursors have the potential to shed new light on prolonging the service life of adhesive restorations, with promising significance.
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Affiliation(s)
- X Gao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Z Wang
- Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, Hubei, China
| | - H Yang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - C Huang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
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10
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Mahmoud MS, Al-Aufi R, Al-Saidi A, Al-Samahi S, Al-Bulushi R, Rajan G, Abdelmouleh M, Jedidi I. Effect of compression molding of CaCO 3 powder on the kinetics of CO 2 capture towards sustainable CO 2 capture and sequestration cycle. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:110981-110994. [PMID: 37798519 DOI: 10.1007/s11356-023-30094-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
Reducing CO2 emissions from industrial sectors and motor vehicles is currently receiving much attention. There are different strategies for CO2 capture, one of which is using calcium oxide (CaO). In our proposed carbon dioxide cycle, limestone is first calcined to get CaO, which is then used to capture CO2 by converting it to CaCO3. Next, the released CO2 could be converted to different organic matter by different sequestration techniques. For this purpose, CaCO3 discs have been prepared by compression molding to investigate the effect of sintering temperature on the mechanical and chemical properties of CaO carbonation reaction. The aim of this work is to fill the knowledge gap for the effect of the contact profile between CO2 gas and CaO disc, particularly the effect of reducing the void fraction of CaO on the rate of carbonation reaction. It was found that the flexural strength of the CaO discs was influenced by several factors, such as the calcination temperature, duration of calcination, and pressing pressure. The carbonation step indicated that both CO2 and H2O are reacting with CaO simultaneously and progressively, with the progressive reaction of H2O and CO2 being a favorable route. The carbonation process happens as a surface reaction-controlled process followed by a slower internal diffusion-controlled process. Additionally, a kinetic study of the competing reactions indicated that two factors are controlling the process: diffusion of gases through the pores and then the reaction rate. Furthermore, our data showed that the CO2 uptake rate was 1352.34 mg/g CaO, indicating that 566.34 mg of CO2 was adsorbed inside the pores of the CaO disc. Based on these results, we propose a new mechanism of the sequence of the competing reactions. In summary, the CaO discs revealed a significant removal of CO2 from stack gases, which will be suitable for removing CO2 from exhaust gases generated by industrial processes and other sources of emissions such as vehicles and ships.
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Affiliation(s)
- Mohamed S Mahmoud
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman.
- Faculty of Engineering, Chemical Engineering Department, Minia University, El Minia, 61516, Egypt.
| | - Rahma Al-Aufi
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman
| | - Awsaf Al-Saidi
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman
| | - Siham Al-Samahi
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman
| | - Rawan Al-Bulushi
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman
| | - Govinda Rajan
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman
| | - Makki Abdelmouleh
- Laboratory of Materials Science and Environment (LMSE), Faculty of Science of Sfax, University of Sfax, 4,5 Km SoukraBlvd, 3018, Sfax, Tunisia
| | - Ilyes Jedidi
- Department of Engineering, College of Engineering and Technology, University of Technology and Applied Sciences, Suhar, 311, Sultanate of Oman
- Laboratory of Materials Science and Environment (LMSE), Faculty of Science of Sfax, University of Sfax, 4,5 Km SoukraBlvd, 3018, Sfax, Tunisia
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11
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Debnath A, Hazra C, Sen R. Insight into biomolecular interaction-based non-classical crystallization of bacterial biocement. Appl Microbiol Biotechnol 2023; 107:6683-6701. [PMID: 37668700 DOI: 10.1007/s00253-023-12736-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/03/2023] [Accepted: 08/20/2023] [Indexed: 09/06/2023]
Abstract
In an attempt to draw a correlation between calcium carbonate (CaCO3) precipitation and biomacromolecules such as extracellular polymeric substances and enzyme activity in biomineralizing microbe, this report aims to elucidate the ureolytic and ammonification route in Paenibacillus alkaliterrae to explore the possible role of organic biomolecule(s) present on cell surface in mediating nucleation and crystallization of biogenic CaCO3. After 168 h of biomineralization in ureolysis and ammonification, 2.2 g/l and 0.87 g/l of CaCO3 precipitates were obtained, respectively. The highest carbonic anhydrase activity (31.8 µmoles/min/ml) was evidenced in ammonification as opposed to ureolysis (24.8 µmoles/min/ml). Highest urease activity reached up to 9.26 µmoles/min/ml in ureolytic pathway. Extracellular polymeric substances such as polysaccharides and proteins were found to have a vital role not only in the nucleation and crystal growth but also in addition direct polymorphic fate of CaCO3 nanoparticles. EPS production was higher during ammonification (3.1 mg/ml) than in ureolysis (0.72 mg/ml). CaCO3 nanoparticle-associated proteins were found to be 0.82 mg/ml in ureolysis and 0.56 mg/ml in ammonification. After 30 days of biomineralization, all the polymorphic forms stabilized to calcite in ureolysis but in ammonification vaterite predominated. In our study, we showed that organic template-mediated prokaryotic biomineralization follows the non-classical nucleation and varying proportions of these organic components causes selective polymorphism of CaCO3 nanoparticles. Overall, the findings are expected to further the fundamental understanding of enzymes, EPS-driven non-classical nucleation of CaCO3, and we foresee the design of fit-for-purpose futuristic biominerals arising from such renewed understanding of biomineralization. KEY POINTS: • Organic-inorganic interface of cell surface promote crystallization of biominerals • Carbohydrate and proteins in the interface results selective polymorphism of CaCO3 • Calcite stabilized at 30 days in ureolysis, vaterite-calcite mix in ammonification.
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Affiliation(s)
- Ankita Debnath
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
| | - Chinmay Hazra
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
| | - Ramkrishna Sen
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India.
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12
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Yan Z, Jiang Y, Yin K, Wang L, Pan T. Enhancement of Hydration Activity and Microstructure Analysis of γ-C 2S. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6762. [PMID: 37895744 PMCID: PMC10608592 DOI: 10.3390/ma16206762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/14/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023]
Abstract
This paper investigated the combined effect of chemical activators and nano-SiO2 on the hydration reaction and the microstructure of γ-C2S. The hydration reaction of γ-C2S slurry activated with chemical activators (NaHCO3, NaOH, K2CO3, and KOH at 1 mol/L) was enhanced by 1% nano-SiO2. The hydrate reaction rate was determined by isothermal calorimetry, and the hydrated samples were characterized by XRD, TGA/DTG, SEM-EDS, and 29Si MAS/NMR. The results revealed a substantial enhancement in the hydration activity of γ-C2S due to the presence of the alkaline activator. Furthermore, nano-SiO2 did not alter the composition of γ-C2S hydration products, instead providing nucleation sites for the growth of hydration products. Incorporating nano-SiO2 promoted the formation of C-(R)-S-H gel with a low calcium-to-silica ratio and increased its polymerization levels, resulting in more favorable structures. Among all the activators used in this study, potassium salts had a better activation effect than sodium salts. After 28 days of curing, the degree of hydration reaction in the KC+Si group was 48% and about 37% for the NHC+Si group. Whereas, the KH+Si and NH+Si groups only reached approximately 20% after the same hydration duration.
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Affiliation(s)
- Ziyue Yan
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China; (Z.Y.); (K.Y.); (L.W.)
| | - Yaqing Jiang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China; (Z.Y.); (K.Y.); (L.W.)
| | - Kangting Yin
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China; (Z.Y.); (K.Y.); (L.W.)
| | - Limeng Wang
- College of Mechanics and Materials, Hohai University, Nanjing 210098, China; (Z.Y.); (K.Y.); (L.W.)
| | - Tinghong Pan
- Key Laboratory of Disaster Reduction in Civil Engineering, Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming 650500, China
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13
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Hur S, Méthivier C, Wilson A, Salmain M, Boujday S, Miserez A. Biomineralization in Barnacle Base Plate in Association with Adhesive Cement Protein. ACS APPLIED BIO MATERIALS 2023; 6:3423-3432. [PMID: 37078387 DOI: 10.1021/acsabm.3c00117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2023]
Abstract
Barnacles strongly attach to various underwater substrates by depositing and curing a proteinaceous cement that forms a permanent adhesive layer. The protein MrCP20 present within the calcareous base plate of the acorn barnacle Megabalanus rosa (M. rosa) was investigated for its role in regulating biomineralization and growth of the barnacle base plate, as well as the influence of the mineral on the protein structure and corresponding functional role. Calcium carbonate (CaCO3) growth on gold surfaces modified by 11-mercaptoundecanoic acid (MUA/Au) with or without the protein was followed using quartz crystal microbalance with dissipation monitoring (QCM-D), and the grown crystal polymorph was identified by Raman spectroscopy. It is found that MrCP20 either in solution or on the surface affects the kinetics of nucleation and growth of crystals and stabilizes the metastable vaterite polymorph of CaCO3. A comparative study of mass uptake calculated by applying the Sauerbrey equation to the QCM-D data and quantitative X-ray photoelectron spectroscopy determined that the final surface density of the crystals as well as the crystallization kinetics are influenced by MrCP20. In addition, polarization modulation infrared reflection-absorption spectroscopy of MrCP20 established that, during crystal growth, the content of β-sheet structures in MrCP20 increases, in line with the formation of amyloid-like fibrils. The results provide insights into the molecular mechanisms by which MrCP20 regulates the biomineralization of the barnacle base plate, while favoring fibril formation, which is advantageous for other functional roles such as adhesion and cohesion.
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Affiliation(s)
- Sunyoung Hur
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, LRS, 4 place Jussieu, 75005 Paris, France
- Biological and Biomimetic Material Laboratory (BBML), Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University (NTU), 50 Nanyang Avenue, Singapore, 637553
| | - Christophe Méthivier
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, LRS, 4 place Jussieu, 75005 Paris, France
| | - Axel Wilson
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, LRS, 4 place Jussieu, 75005 Paris, France
| | - Michèle Salmain
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, 75005 Paris, France
| | - Souhir Boujday
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, LRS, 4 place Jussieu, 75005 Paris, France
| | - Ali Miserez
- Biological and Biomimetic Material Laboratory (BBML), Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University (NTU), 50 Nanyang Avenue, Singapore, 637553
- School of Biological Sciences, NTU, 60 Nanyang Drive, Singapore, 637551
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14
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Tokpatayeva R, Olek J, Sahu S. Resistance of Pastes from Carbonated, Low-Lime Calcium Silica Cements to External Sulfate Attack. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4276. [PMID: 37374460 DOI: 10.3390/ma16124276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/28/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023]
Abstract
This paper presents the results of a study on the evaluation of resistance of pastes from carbonated, low-lime calcium silica cements to external sulfate attack. The extent of chemical interaction between sulfate solutions and paste powders was assessed by quantifying the amount of species that leached out from carbonated pastes using ICP-OES and IC techniques. In addition, the loss of carbonates from the carbonated pastes exposed to sulfate solutions and the corresponding amounts of gypsum formed were also monitored by using the TGA and QXRD techniques. The changes in the structure of silica gels were evaluated using FTIR analysis. The results of this study revealed that the level of resistance of carbonated, low-lime calcium silicates to external sulfate attack was affected by the degree of crystallinity of calcium carbonate, the type of calcium silicate, and the type of cation present in the sulfate solution.
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Affiliation(s)
- Raikhan Tokpatayeva
- Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Jan Olek
- Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA
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15
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Mandera S, Coronado I, Fernández-Díaz L, Mazur M, Cruz JA, Januszewicz B, Fernández-Martínez E, Cózar P, Stolarski J. Earthworm granules: A model of non-classical biogenic calcium carbonate phase transformations. Acta Biomater 2023; 162:149-163. [PMID: 37001839 DOI: 10.1016/j.actbio.2023.03.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 03/31/2023]
Abstract
Different non-classical crystallization mechanisms have been invoked to explain structural and compositional properties of biocrystals. The identification of precursor amorphous nanoparticle aggregation as an onset process in the formation of numerous biominerals (crystallization via particle attachment) constituted a most important breakthrough for understanding biologically mediated mineralization. A comprehensive understanding about how the attached amorphous particles transform into more stable, crystalline grains has yet to be elucidated. Here, we document structural, biogeochemical, and crystallographic aspects of the formation as well as the further phase transformations of the amorphous calcium carbonate particles formed by cultured specimens of earthworm Lumbricus terrestris. In-situ observations evidence the formation of proto-vaterite after dehydration of earthworm-produced ACC, which is subsequently followed by proto-vaterite transformation into calcite through nanoparticle attachment within the organic framework. In culture medium spiked with trace amounts of Mn2+, the cauliflower-like proto-vaterite structures become longer-lived than in the absence of Mn2+. We propose that the formation of calcite crystals takes place through a non-classical recrystallization path that involves migration of proto-vaterite nanoparticles to the crystallization site, and then, their transformation into calcite via a dissolution-recrystallization reaction. The latter is complemented by ion-by-ion crystal growth and associated with impurity release. These observations are integrated into a new model of the biocrystallization of earthworm-produced carbonate granules which highlights the sensibility of this process to environmental chemical changes, its potential impact on the bioavailability of contaminants as well as the threat that chemical pollution poses to the normal development of its early stages. STATEMENT OF SIGNIFICANCE: Understanding the mechanisms of nucleation, stabilization and aggregation of amorphous calcium carbonate (ACC) and factors controlling its further transformation into crystalline phases is fundamental for elucidation of biogenic mineralization. Some species of earthworms are natural workbench to understand the biogenic ACC, stabilization and the transformation mechanisms, because they create millimeter-sized calcareous granules from amorphous calcium carbonate, which crystallize to a more stable mineral phase (mostly calcite). This study undergoes into the mechanisms of ACC stabilization by the incorporation of trace elements, as manganese, and the ulterior precipitation of calcareous granules by a coupled process of amorphous particle attachment and ion-by-ion growth. The study points to sensibility of this process to environmental chemical changes.
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16
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Prange MP, Mergelsberg ST, Kerisit SN. Structural water in amorphous carbonate minerals: ab initio molecular dynamics simulations of X-ray pair distribution experiments. Phys Chem Chem Phys 2023; 25:6768-6779. [PMID: 36789518 DOI: 10.1039/d2cp04881g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Water is known to play a controlling role in directing mineralization pathways and stabilizing metastable amorphous intermediates in hydrous carbonate mineral MCO3·nH2O systems, where M2+ is a divalent metal cation. Despite this recognition, the nature of the controls on crystallization is poorly understood, largely owing to the difficulty in characterizing the dynamically disordered structures of amorphous intermediates at the atomic scale. Here, we present a series of atomistic models, derived from ab initio molecular dynamics simulation, across a range of experimentally relevant cations (M = Ca, Mg, Sr) and hydration levels (0 ≤ n ≤ 2). Theoretical simulations of the dependence of the X-ray pair distribution function on the hydration level n show good agreement with available experimental data and thus provide further evidence for a lack of significant nanoscale structure in amorphous carbonates. Upon dehydration, the metal coordination number does not change significantly, but the relative extent of water dissociation increases, indicating that a thermodynamic driving force exists for water dissociation to accompany dehydration. Mg strongly favors monodentate conformation of carbonate ligands and shows a marked preference to exchange monodentate carbonate O for water O upon hydration, whereas Ca and Sr exchange mono- and bidentate carbonate ligands with comparable frequency. Water forms an extensive hydrogen bond network among both water and carbonate groups that exhibits frequent proton transfers for all three cations considered suggesting that proton mobility is likely predominantly due to water dissociation and proton transfer reactions rather than molecular water diffusion.
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Affiliation(s)
- Micah P Prange
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, 99352, USA.
| | - Sebastian T Mergelsberg
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, 99352, USA.
| | - Sebastien N Kerisit
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, 99352, USA.
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17
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Hua L, Shuai L, Ze-Xiang L, Xi L, Hai-Nong S, Cheng-Rong Q, Zhi-Wei W, Shuang-Fei W, Jian Z. Retardation of sludge calcification by blocking the transportation of Ca2+ into anaerobic granular sludge. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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18
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Mechanochemical activation for improving the direct mineral carbonation efficiency and capacity of a timber biomass ash. J CO2 UTIL 2023. [DOI: 10.1016/j.jcou.2022.102367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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19
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Sugawara S, Fujiya W, Kagi H, Yamaguchi A, Hashizume K. Heat-Induced Dolomitization of Amorphous Calcium Magnesium Carbonate in a CO 2-Filled Closed System. ACS OMEGA 2022; 7:44670-44676. [PMID: 36530237 PMCID: PMC9753508 DOI: 10.1021/acsomega.2c03258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 11/09/2022] [Indexed: 06/17/2023]
Abstract
We report a method to synthesize dolomite [CaMg(CO3)2] from amorphous calcium magnesium carbonate (ACMC) via solid-state transformation. When ACMC is heated in air, it does not crystallize into dolomite but decomposes into Mg calcite, magnesium oxide, and CO2. Hence, we heated ACMC in a closed system filled with CO2 gas (pCO2 >1.2 bar at 420 °C) and produced submicron-sized dolomite. Single-phase dolomite was obtained after dissolving impurities in the run products, such as northupite [Na3Mg(CO3)2Cl] and eitelite [Na2Mg(CO3)2], in water. Also, we investigated the crystallization process of dolomite by changing the heating temperature and heating time. Despite crystallization by solid-state transformation, the heated samples crystallized to dolomite via Ca-rich protodolomite with no ordering reflection of X-ray diffraction as previously observed for hydrothermal synthesis. The results demonstrated that this crystallization pathway is kinetically favored even in solid-state transformation and that the Ca-rich protodolomite phase preferentially crystallizes during heating, leading to phase separation from the amorphous phase. Therefore, the crystallization process via protodolomite as a precursor is a common mechanism in dolomite crystallization, suggesting the presence of kinetic barriers other than hydration of cations.
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Affiliation(s)
- Shingo Sugawara
- Faculty
of Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Wataru Fujiya
- Faculty
of Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Hiroyuki Kagi
- Geochemical
Research Center, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan
| | - Akira Yamaguchi
- National
Institute of Polar Research, 10-3 Midori-cho, Tachikawa, Tokyo 190-8518, Japan
| | - Ko Hashizume
- Faculty
of Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
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20
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Clark SM, Grigorova V, Colas B, Darwish TA, Wood K, Neuefeind J, Jacob DE. The Kinetics of Aragonite Formation from Solution via Amorphous Calcium Carbonate. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12234151. [PMID: 36500773 PMCID: PMC9739954 DOI: 10.3390/nano12234151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 05/05/2023]
Abstract
Magnesium doped Amorphous Calcium Carbonate was synthesised from precursor solutions containing varying amounts of calcium, magnesium, H2O and D2O. The Mg/Ca ratio in the resultant Amorphous Calcium Carbonate was found to vary linearly with the Mg/Ca ratio in the precursor solution. All samples crystallised as aragonite. No Mg was found in the final aragonite crystals. Changes in the Mg to Ca ratio were found to only marginally effect nucleation rates but strongly effect crystal growth rates. These results are consistent with a dissolution-reprecipitation model for aragonite formation via an Amorphous Calcium Carbonate intermediate.
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Affiliation(s)
- Simon M. Clark
- School of Engineering, Faculty of Science and Engineering, Macquarie University, North Macquarie Park, Shellharbour, NSW 2109, Australia
- Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, Sydney, NSW 2232, Australia
- Correspondence:
| | - Vili Grigorova
- School of Engineering, Faculty of Science and Engineering, Macquarie University, North Macquarie Park, Shellharbour, NSW 2109, Australia
| | - Bruno Colas
- School of Engineering, Faculty of Science and Engineering, Macquarie University, North Macquarie Park, Shellharbour, NSW 2109, Australia
- Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, Sydney, NSW 2232, Australia
| | - Tamim A. Darwish
- National Deuteration Facility, Australian Nuclear Science and Technology Organisation, Kirrawee DC, Sydney, NSW 2232, Australia
| | - Kathleen Wood
- Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, Sydney, NSW 2232, Australia
| | - Joerg Neuefeind
- Spallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Dorrit E. Jacob
- Research School of Earth Sciences, The Australian National University, Canberra, ACT 2600, Australia
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21
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Structure of an amorphous calcium carbonate phase involved in the formation of Pinctada margaritifera shells. Proc Natl Acad Sci U S A 2022; 119:e2212616119. [PMID: 36322756 PMCID: PMC9659418 DOI: 10.1073/pnas.2212616119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Some mollusc shells are formed from an amorphous calcium carbonate (ACC) compound, which further transforms into a crystalline material. The transformation mechanism is not fully understood but is however crucial to develop bioinspired synthetic biomineralization strategies or accurate marine biomineral proxies for geoscience. The difficulty arises from the simultaneous presence of crystalline and amorphous compounds in the shell, which complicates the selective experimental characterization of the amorphous fraction. Here, we use nanobeam X-ray total scattering together with an approach to separate crystalline and amorphous scattering contributions to obtain the spatially resolved atomic pair distribution function (PDF). We resolve three distinct amorphous calcium carbonate compounds, present in the shell of Pinctada margaritifera and attributed to: interprismatic periostracum, young mineralizing units, and mature mineralizing units. From this, we extract accurate bond parameters by reverse Monte Carlo (RMC) modeling of the PDF. This shows that the three amorphous compounds differ mostly in their Ca-O nearest-neighbor atom pair distance. Further characterization with conventional spectroscopic techniques unveils the presence of Mg in the shell and shows Mg-calcite in the final, crystallized shell. In line with recent literature, we propose that the amorphous-to-crystal transition is mediated by the presence of Mg. The transition occurs through the decomposition of the initial Mg-rich precursor into a second Mg-poor ACC compound before forming a crystal.
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22
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Machado Neubauer T, Santos Serpa F, Franceschi E, Dariva C, Sayer C, Hermes de Araújo PH, Barbosa Castro B, Aldeia W, da Costa C. Crystallization of Calcium Carbonate: Modeling Thermodynamic Equilibrium, Pathway, Nucleation, Growth, Agglomeration, and Dissolution Kinetics with the Presence of Mg 2+, Ba 2+, and Sr 2+. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thiago Machado Neubauer
- Department of Chemical and Food Engineering/CTC, Federal University of Santa Catarina, P.O. Box 476, Florianópolis, SC CEP 88040-970, Brazil
| | - Fabiane Santos Serpa
- Center for Study on Colloidal Systems (NUESC)/Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, SE CEP 49032-490, Brazil
| | - Elton Franceschi
- Center for Study on Colloidal Systems (NUESC)/Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, SE CEP 49032-490, Brazil
| | - Claudio Dariva
- Center for Study on Colloidal Systems (NUESC)/Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, SE CEP 49032-490, Brazil
| | - Claudia Sayer
- Department of Chemical and Food Engineering/CTC, Federal University of Santa Catarina, P.O. Box 476, Florianópolis, SC CEP 88040-970, Brazil
| | - Pedro Henrique Hermes de Araújo
- Department of Chemical and Food Engineering/CTC, Federal University of Santa Catarina, P.O. Box 476, Florianópolis, SC CEP 88040-970, Brazil
| | - Bruno Barbosa Castro
- Leopoldo Américo Miguez de Mello Research and Development Center (CENPES)/Petróleo Brasileiro S/A (PETROBRAS), Av. Horácio Macedo, 950, Ilha do Fundão, Rio de Janeiro, RJ CEP 21941-915, Brazil
| | - Wagner Aldeia
- Institute of Technological Research-IPT, Av. Prof. Almeida Prado, 532 - Butantã, São Paulo, SP CEP 05508-901, Brazil
| | - Cristiane da Costa
- Department of Chemical and Food Engineering/CTC, Federal University of Santa Catarina, P.O. Box 476, Florianópolis, SC CEP 88040-970, Brazil
- Department of Textile Engineering/CTE, Federal University of Santa Catarina, Rua João Pessoa, 2514, Blumenau, SC CEP 89036-004, Brazil
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23
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Molecular-scale mechanisms of CO2 mineralization in nanoscale interfacial water films. Nat Rev Chem 2022; 6:598-613. [PMID: 37117714 DOI: 10.1038/s41570-022-00418-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2022] [Indexed: 01/02/2023]
Abstract
The calamitous impacts of unabated carbon emission from fossil-fuel-burning energy infrastructure call for accelerated development of large-scale CO2 capture, utilization and storage technologies that are underpinned by a fundamental understanding of the chemical processes at a molecular level. In the subsurface, rocks rich in divalent metals can react with CO2, permanently sequestering it in the form of stable metal carbonate minerals, with the CO2-H2O composition of the post-injection pore fluid acting as a primary control variable. In this Review, we discuss mechanistic reaction pathways for aqueous-mediated carbonation with carbon mineralization occurring in nanoscale adsorbed water films. In the extreme of pores filled with a CO2-dominant fluid, carbonation reactions are confined to angstrom to nanometre-thick water films coating mineral surfaces, which enable metal cation release, transport, nucleation and crystallization of metal carbonate minerals. Although seemingly counterintuitive, laboratory studies have demonstrated facile carbonation rates in these low-water environments, for which a better mechanistic understanding has come to light in recent years. The overarching objective of this Review is to delineate the unique underlying molecular-scale reaction mechanisms that govern CO2 mineralization in these reactive and dynamic quasi-2D interfaces. We highlight the importance of understanding unique properties in thin water films, such as how water dielectric properties, and consequently ion solvation and hydration behaviour, can change under nanoconfinement. We conclude by identifying important frontiers for future work and opportunities to exploit these fundamental chemical insights for decarbonization technologies in the twenty-first century.
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24
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Highly hydrated paramagnetic amorphous calcium carbonate nanoclusters as an MRI contrast agent. Nat Commun 2022; 13:5088. [PMID: 36038532 PMCID: PMC9424530 DOI: 10.1038/s41467-022-32615-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/08/2022] [Indexed: 11/08/2022] Open
Abstract
Amorphous calcium carbonate plays a key role as transient precursor in the early stages of biogenic calcium carbonate formation in nature. However, due to its instability in aqueous solution, there is still rare success to utilize amorphous calcium carbonate in biomedicine. Here, we report the mutual effect between paramagnetic gadolinium ions and amorphous calcium carbonate, resulting in ultrafine paramagnetic amorphous carbonate nanoclusters in the presence of both gadolinium occluded highly hydrated carbonate-like environment and poly(acrylic acid). Gadolinium is confirmed to enhance the water content in amorphous calcium carbonate, and the high water content of amorphous carbonate nanoclusters contributes to the much enhanced magnetic resonance imaging contrast efficiency compared with commercially available gadolinium-based contrast agents. Furthermore, the enhanced T1 weighted magnetic resonance imaging performance and biocompatibility of amorphous carbonate nanoclusters are further evaluated in various animals including rat, rabbit and beagle dog, in combination with promising safety in vivo. Overall, exceptionally facile mass-productive amorphous carbonate nanoclusters exhibit superb imaging performance and impressive stability, which provides a promising strategy to design magnetic resonance contrast agent. Sensitive, biocompatible and stable contrast agents for MRI are in demand. Here, the authors combine gadolinium ions with amorphous calcium carbonate to make stable paramagnetic amorphous carbonate nanoclusters with high MRI contrast and significantly improved biocompatibility over commercial gadolinium-based agents.
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25
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Niu YQ, Liu JH, Aymonier C, Fermani S, Kralj D, Falini G, Zhou CH. Calcium carbonate: controlled synthesis, surface functionalization, and nanostructured materials. Chem Soc Rev 2022; 51:7883-7943. [PMID: 35993776 DOI: 10.1039/d1cs00519g] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Calcium carbonate (CaCO3) is an important inorganic mineral in biological and geological systems. Traditionally, it is widely used in plastics, papermaking, ink, building materials, textiles, cosmetics, and food. Over the last decade, there has been rapid development in the controlled synthesis and surface modification of CaCO3, the stabilization of amorphous CaCO3 (ACC), and CaCO3-based nanostructured materials. In this review, the controlled synthesis of CaCO3 is first examined, including Ca2+-CO32- systems, solid-liquid-gas carbonation, water-in-oil reverse emulsions, and biomineralization. Advancing insights into the nucleation and crystallization of CaCO3 have led to the development of efficient routes towards the controlled synthesis of CaCO3 with specific sizes, morphologies, and polymorphs. Recently-developed surface modification methods of CaCO3 include organic and inorganic modifications, as well as intensified surface reactions. The resultant CaCO3 can then be further engineered via template-induced biomineralization and layer-by-layer assembly into porous, hollow, or core-shell organic-inorganic nanocomposites. The introduction of CaCO3 into nanostructured materials has led to a significant improvement in the mechanical, optical, magnetic, and catalytic properties of such materials, with the resultant CaCO3-based nanostructured materials showing great potential for use in biomaterials and biomedicine, environmental remediation, and energy production and storage. The influences that the preparation conditions and additives have on ACC preparation and stabilization are also discussed. Studies indicate that ACC can be used to construct environmentally-friendly hybrid films, supramolecular hydrogels, and drug vehicles. Finally, the existing challenges and future directions of the controlled synthesis and functionalization of CaCO3 and its expanding applications are highlighted.
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Affiliation(s)
- Yu-Qin Niu
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China. .,Qing Yang Institute for Industrial Minerals, You Hua, Qing Yang, Chi Zhou 242804, China
| | - Jia-Hui Liu
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China. .,Qing Yang Institute for Industrial Minerals, You Hua, Qing Yang, Chi Zhou 242804, China
| | - Cyril Aymonier
- Univ Bordeaux, ICMCB, Bordeaux INP, UMR 5026, CNRS, F-33600 Pessac, France
| | - Simona Fermani
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, I-40126 Bologna, Italy. .,Interdepartmental Centre for Industrial Research Health Sciences & Technologies, University of Bologna, 40064 Bologna, Italy
| | - Damir Kralj
- Laboratory for Precipitation Processes, Ruđer Bošković Institute, P. O. Box 1016, HR-10001 Zagreb, Croatia
| | - Giuseppe Falini
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, I-40126 Bologna, Italy.
| | - Chun-Hui Zhou
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China. .,Qing Yang Institute for Industrial Minerals, You Hua, Qing Yang, Chi Zhou 242804, China
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26
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Remy MT, Ding Q, Krongbaramee T, Hu J, Mora Mata AV, Haes AJ, Amendt BA, Sun H, Buchakjian MR, Hong L. Plasmid encoding miRNA-200c delivered by CaCO 3-based nanoparticles enhances rat alveolar bone formation. Nanomedicine (Lond) 2022; 17:1339-1354. [PMID: 36125080 PMCID: PMC9706369 DOI: 10.2217/nnm-2022-0151] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Aim: miRNAs have been shown to improve the restoration of craniofacial bone defects. This work aimed to enhance transfection efficiency and miR-200c-induced bone formation in alveolar bone defects via plasmid DNA encoding miR-200c delivery from CaCO3 nanoparticles. Materials & methods: The CaCO3/miR-200c delivery system was evaluated in vitro (microscopy, transfection efficiency, biocompatibility) and miR-200c-induced in vivo alveolar bone formation was assessed via micro-computed tomography and histology. Results: CaCO3 nanoparticles significantly enhanced the transfection of plasmid DNA encoding miR-200c without inflammatory effects and sustained miR-200c expression. CaCO3/miR-200c treatment in vivo significantly increased bone formation in rat alveolar bone defects. Conclusion: CaCO3 nanoparticles enhance miR-200c delivery to accelerate alveolar bone formation, thereby demonstrating the application of CaCO3/miR-200c to craniofacial bone defects.
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Affiliation(s)
- Matthew T Remy
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA,Roy J. Carver Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA 52242, USA
| | - Qiong Ding
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA
| | - Tadkamol Krongbaramee
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA,Division of Endodontics, Department of Restorative Dentistry & Periodontology, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Jue Hu
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA
| | - Andrés V Mora Mata
- Department of Chemistry, College of Liberal Arts & Sciences, University of Iowa, Iowa City, IA 52242, USA
| | - Amanda J Haes
- Department of Chemistry, College of Liberal Arts & Sciences, University of Iowa, Iowa City, IA 52242, USA
| | - Brad A Amendt
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA,Department of Anatomy & Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA,Center for Craniofacial Anomalies Research, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Hongli Sun
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA
| | - Marisa R Buchakjian
- Department of Otolaryngology–Head & Neck Surgery, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Liu Hong
- Iowa Institute for Oral Health Research, College of Dentistry, University of Iowa, Iowa City, IA 52242, USA,Center for Craniofacial Anomalies Research, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA,Author for correspondence: Tel.: +1 319 384 1756;
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27
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Page K, Stack AG, Chen SA, Wang HW. Nanopore facilitated monohydrocalcitic amorphous calcium carbonate precipitation. Phys Chem Chem Phys 2022; 24:18340-18346. [PMID: 35880670 DOI: 10.1039/d2cp00446a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Predicting the precipitation of solids is important in both natural systems and subsurface energy applications. The factors controlling reaction mechanisms, phase selection and conversion between phases are particularly important. In this contribution the precipitation and growth of an amorphous calcium carbonate species from flowing aqueous solution in a nanoporous controlled pore glass is followed in situ with differential X-ray pair distribution function analysis. It is discovered that the local atomic structure of this phase indicates monohydrocalcite-like pair-pair correlations, yet is functionally amorphous because it lacks long-range structure. The unexpected occurrence of synthetic proto-monohydrocalcite amorphous calcium carbonate, precipitated from a solution undersaturated with respect to published solubilities, suggests that nanopore confinement facilitates formation of an amorphous phase at the expense of more favorable crystalline ones. This result illustrates that confinement and interface effects are physical factors exerting control on mineral nucleation behavior in natural and geological systems.
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Affiliation(s)
- Katharine Page
- Materials Science and Engineering Department, The University of Tennessee, Knoxville, TN, 38996, USA. .,Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Andrew G Stack
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
| | - Si Athena Chen
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
| | - Hsiu-Wen Wang
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.
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28
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Zhu Y, Gao Z, Lee B, Jun YS. Process-Specific Effects of Sulfate on CaCO 3 Formation in Environmentally Relevant Systems. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:9063-9074. [PMID: 35617118 DOI: 10.1021/acs.est.1c08898] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Additives, such as ions, small molecules, and macromolecules, have been found to regulate the formation of CaCO3 and control its morphologies and properties. However, a single additive usually affects dominantly one process in CaCO3's formation and is seldom found to significantly affect multiple CaCO3 formation processes. Here, we used in situ grazing incidence X-ray techniques to observe the heterogeneous formation of CaCO3 and found that a series of formation processes (i.e., nucleation, growth, and Ostwald ripening) were modulated by sulfate. In the nucleation process, increased interfacial free energy and bulk free energy cooperatively increased the nucleation barrier and decreased nucleation rates. In the growth process, sulfate reduced the electrostatic repulsion between CaCO3 precursors and nuclei, promoting CaCO3 growth. This influence on the growth counteracted the inhibition effect in the nucleation process, causing a nearly 100% increase in the volume of heterogeneously formed CaCO3. Meanwhile, adsorbed sulfate on CaCO3 nuclei may poison the surface of smaller CaCO3 nuclei, inhibiting Ostwald ripening. These revealed sulfate's active roles in controlling CaCO3 formation advance our understanding of sulfate-incorporated biomineralization and scaling phenomena in natural and engineered aquatic environments.
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Affiliation(s)
- Yaguang Zhu
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Zhenwei Gao
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Byeongdu Lee
- X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Young-Shin Jun
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
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29
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Schodder PI, Gindele MB, Ott A, Rückel M, Ettl R, Boyko V, Kellermeier M. Probing the effects of polymers on the early stages of calcium carbonate formation by stoichiometric co-titration. Phys Chem Chem Phys 2022; 24:9978-9989. [PMID: 35319032 DOI: 10.1039/d1cp05606a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Potentiometric titrations are a powerful tool to study the early stages of the precipitation of minerals such as calcium carbonate and were used among others for the discovery and characterisation of key precursors like prenucleation clusters. Here we present a modified procedure for conducting such titration experiments, in which the reactants (i.e. calcium and (bi)carbonate ions) are added simultaneously in stoichiometric amounts, while both the amount of free calcium and the optical transmission of the solution are monitored online. Complementarily, the species occurring at distinct stages of the crystallisation process were studied using cryogenic transmission electron microscopy. This novel routine was applied to investigate CaCO3 nucleation in the absence and presence of polymeric additives with different chemical functionalities. The obtained results provide new insights into the critical steps underlying nucleation and subsequent ripening, such as the role of liquid mineral-rich phases and their transformation into solid particles. The studied polymers proved to interfere at multiple stages along the complex mineralisation pathway of calcium carbonate, with both the degree and mode of interaction depending on the chosen polymer chemistry. In this way, the methodology developed in this work allows the mechanisms of antiscalants - or crystallisation modifiers in general - to be elucidated at an advanced level of detail.
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Affiliation(s)
- Philipp I Schodder
- Material Physics, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany. .,Department of Materials Science and Engineering, Institute of Glass and Ceramics, Friedrich-Alexander-University of Erlangen-Nuremberg (FAU), Martensstrasse 5, D-91058 Erlangen, Germany
| | - Maxim B Gindele
- Material Physics, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany. .,Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, D-30167 Hannover, Germany
| | - Andreas Ott
- Material Physics, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany.
| | - Markus Rückel
- Material Physics, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany.
| | - Roland Ettl
- Care Chemicals, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany
| | - Volodymyr Boyko
- Formulation Platform, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany
| | - Matthias Kellermeier
- Material Physics, BASF SE, Carl-Bosch-Strasse 38, D-67056 Ludwigshafen, Germany.
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30
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Parmar D, Niu Z, Liang Y, Dai H, Rimer JD. Manipulation of amorphous precursors to enhance zeolite nucleation. Faraday Discuss 2022; 235:322-342. [PMID: 35411361 DOI: 10.1039/d1fd00096a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Crystallization in media comprised of amorphous precursors is becoming a more common phenomenon for numerous synthetic, biological, and natural materials that grow by a combination of classical and nonclassical pathways. Amorphous phases can exhibit a wide range of physicochemical properties that may evolve during the course of nucleation and crystal growth. This creates challenges for establishing causal relationships between amorphous precursor properties and their effect(s) on the selection of mechanistic pathways of crystallization and ultimately the properties of the crystalline product. In this study, we examine ways to manipulate the composition and colloidal stability of amorphous (alumino)silicate precursors that are prevalent in nanoporous zeolite syntheses. Changes in the amorphous precursor properties are evaluated on the basis of their ability to enhance rates of crystal formation. Here, we use fumed silica as the primary silicon source and examine the effects of infusing the source or growth medium with additional alkali metal, which serves as an inorganic structure-directing agent to facilitate the formation of porous crystal structures. We also assess the impact of adding a polymer additive, which reduces the colloidal stability of precursors, wherein we posit that the confined pockets of solution within the interstitial spaces of the precursor aggregates play an important role in regulating the rate of zeolite crystallization. Three commercially relevant zeolites (mordenite, SSZ-13, and ZSM-5) were selected for this study based on their diverse frameworks and methods of preparation. Our findings reveal that alkali infusion significantly reduces the crystallization times for mordenite and SSZ-13, but has little impact on ZSM-5 synthesis. Conversely, we find that polymer addition markedly enhanced the rates of crystallization among all three zeolites, suggesting that this method may be a general approach to reduce zeolite synthesis times. Given the relatively high costs associated with commercial zeolite production, identifying new methods to improve the efficiency of hydrothermal syntheses can have significant practical implications beyond the fundamental benefits of developing new routes to tailor nonclassical crystallization.
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Affiliation(s)
- Deependra Parmar
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, 77204, USA.
| | - Zhiyin Niu
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, 77204, USA.
| | - Yu Liang
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, 77204, USA.
| | - Heng Dai
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, 77204, USA.
| | - Jeffrey D Rimer
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, 77204, USA.
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31
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King M, Avaro JT, Peter C, Hauser K, Gebauer D. Solvent-mediated isotope effects strongly influence the early stages of calcium carbonate formation: exploring D 2O vs. H 2O in a combined computational and experimental approach. Faraday Discuss 2022; 235:36-55. [PMID: 35388817 DOI: 10.1039/d1fd00078k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In experimental studies, heavy water (D2O) is employed, e.g., so as to shift the spectroscopic solvent background, but any potential effects of this solvent exchange on reaction pathways are often neglected. While the important role of light water (H2O) during the early stages of calcium carbonate formation has been realized, studies into the actual effects of aqueous solvent exchanges are scarce. Here, we present a combined computational and experimental approach to start to fill this gap. We extended a suitable force field for molecular dynamics (MD) simulations. Experimentally, we utilised advanced titration assays and time-resolved attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy. We find distinct effects in various mixtures of the two aqueous solvents, and in pure H2O or D2O. Disagreements between the computational results and experimental data regarding the stabilities of ion associates might be due to the unexplored role of HDO, or an unprobed complex phase behaviour of the solvent mixtures in the simulations. Altogether, however, our data suggest that calcium carbonate formation might proceed "more classically" in D2O. Also, there are indications for the formation of new structures in amorphous and crystalline calcium carbonates. There is huge potential towards further improving the understanding of mineralization mechanisms by studying solvent-mediated isotope effects, also beyond calcium carbonate. Last, it must be appreciated that H2O and D2O have significant, distinct effects on mineralization mechanisms, and that care has to be taken when experimental data from D2O studies are used, e.g., for the development of H2O-based computer models.
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Affiliation(s)
- Michael King
- Department of Chemistry, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany
| | - Jonathan T Avaro
- Department of Chemistry, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany.,Empa, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Christine Peter
- Department of Chemistry, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany
| | - Karin Hauser
- Department of Chemistry, University of Konstanz, Universitätsstr. 10, 78457 Konstanz, Germany
| | - Denis Gebauer
- Institute of Inorganic Chemistry, Leibniz University of Hannover, Callinstr. 9, 30167 Hannover, Germany.
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32
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33
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Precipitation of Calcium Phosphates and Calcium Carbonates in the Presence of Differently Charged Liposomes. MINERALS 2022. [DOI: 10.3390/min12020208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Liposomes (lipid vesicles) are often considered to be a versatile tool for the synthesis of advanced materials, as they allow various control mechanisms to tune the materials’ properties. Among diverse materials, the synthesis of calcium phosphates (CaPs) and calcium carbonates (CaCO3) using liposomes has attracted particular attention in the development of novel (bio)materials and biomineralization research. However, the preparation of materials using liposomes has not yet been fully exploited. Most of the liposomes used have been anionic and/or zwitterionic, while data on the influence of cationic liposomes are limited. Therefore, the aim of this study was to investigate and compare the influence of differently charged liposomes on CaPs and CaCO3 formation. Zwitterionic 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC), negatively charged 1,2-dimyristoyl-sn-glycero-3-phospho-L-serine (DMPS), and positively charged 1,2-dioleoyl-sn-glycero-3-ethylphosphocholine (EPC) lipids were used to prepare the respective liposomes. The presence of liposomes during the spontaneous precipitation of CaPs and CaCO3 affected both the precipitation and transformation kinetics, as well as the morphology of the precipitates formed. The most prominent effect was noted for both materials in the presence of DMPS liposomes, as (nano) shell structures were formed in both cases. The obtained results indicate possible strategies to fine-tune the precipitation process of CaPs and CaCO3, which may be of interest for the production of novel materials.
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34
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Schmidt C, Stifler CA, Luffey EL, Fordyce BI, Ahmed A, Barreiro Pujol G, Breit CP, Davison SS, Klaus CN, Koehler IJ, LeCloux IM, Matute Diaz C, Nguyen CM, Quach V, Sengkhammee JS, Walch EJ, Xiong MM, Tambutté E, Tambutté S, Mass T, Gilbert PUPA. Faster Crystallization during Coral Skeleton Formation Correlates with Resilience to Ocean Acidification. J Am Chem Soc 2022; 144:1332-1341. [PMID: 35037457 PMCID: PMC8796227 DOI: 10.1021/jacs.1c11434] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Indexed: 01/18/2023]
Abstract
The mature skeletons of hard corals, termed stony or scleractinian corals, are made of aragonite (CaCO3). During their formation, particles attaching to the skeleton's growing surface are calcium carbonate, transiently amorphous. Here we show that amorphous particles are observed frequently and reproducibly just outside the skeleton, where a calicoblastic cell layer envelops and deposits the forming skeleton. The observation of particles in these locations, therefore, is consistent with nucleation and growth of particles in intracellular vesicles. The observed extraskeletal particles range in size between 0.2 and 1.0 μm and contain more of the amorphous precursor phases than the skeleton surface or bulk, where they gradually crystallize to aragonite. This observation was repeated in three diverse genera of corals, Acropora sp., Stylophora pistillata─differently sensitive to ocean acidification (OA)─and Turbinaria peltata, demonstrating that intracellular particles are a major source of material during the additive manufacturing of coral skeletons. Thus, particles are formed away from seawater, in a presumed intracellular calcifying fluid (ICF) in closed vesicles and not, as previously assumed, in the extracellular calcifying fluid (ECF), which, unlike ICF, is partly open to seawater. After particle attachment, the growing skeleton surface remains exposed to ECF, and, remarkably, its crystallization rate varies significantly across genera. The skeleton surface layers containing amorphous pixels vary in thickness across genera: ∼2.1 μm in Acropora, 1.1 μm in Stylophora, and 0.9 μm in Turbinaria. Thus, the slow-crystallizing Acropora skeleton surface remains amorphous and soluble longer, including overnight, when the pH in the ECF drops. Increased skeleton surface solubility is consistent with Acropora's vulnerability to OA, whereas the Stylophora skeleton surface layer crystallizes faster, consistent with Stylophora's resilience to OA. Turbinaria, whose response to OA has not yet been tested, is expected to be even more resilient than Stylophora, based on the present data.
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Affiliation(s)
- Connor
A. Schmidt
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Cayla A. Stifler
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Emily L. Luffey
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Benjamin I. Fordyce
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Asiya Ahmed
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | | | - Carolyn P. Breit
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Sydney S. Davison
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Connor N. Klaus
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Isaac J. Koehler
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Isabelle M. LeCloux
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Celeo Matute Diaz
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Catherine M. Nguyen
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Virginia Quach
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Jaden S. Sengkhammee
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Evan J. Walch
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Max M. Xiong
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Eric Tambutté
- Department
of Marine Biology, Centre Scientifique de
Monaco, 98000 Monaco, Principality of
Monaco
| | - Sylvie Tambutté
- Department
of Marine Biology, Centre Scientifique de
Monaco, 98000 Monaco, Principality of
Monaco
| | - Tali Mass
- Marine
Biology Department, University of Haifa, Mt. Carmel, Haifa 31905, Israel
| | - Pupa U. P. A. Gilbert
- Department
of Physics, University of Wisconsin, Madison, Wisconsin 53706, United States
- Chemical
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Departments
of Chemistry, Materials Science and Engineering, and Geoscience, University of Wisconsin, Madison, Wisconsin 53706, United States
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35
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Huang W, Wang Q, Chi W, Cai M, Wang R, Fu Z, Xie JJ, Zou Z. Multiple Crystallization Pathways of Amorphous Calcium Carbonate in the Presence of Poly(Aspartic acid) with a Chain Length of 30. CrystEngComm 2022. [DOI: 10.1039/d2ce00328g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The crystallization pathways of amorphous calcium carbonate (ACC) have attracted tremendous interests because of the importance of ACC in biomineralization. Here, by using poly(Aspartic acid) with a chain length of...
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36
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Katsman A, Polishchuk I, Pokroy B. On the mechanism of calcium carbonate polymorph selection via confinement. Faraday Discuss 2022; 235:433-445. [DOI: 10.1039/d1fd00111f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Organisms deposit various biominerals in the course of their biomineralisation. The most abundant of these is calcium carbonate, which manifests itself in several polymorphs. While organisms possess the ability to...
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37
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Wang Q, Zou Z, Wang H, Wang W, Fu Z. Pressure-induced crystallization and densification of amorphized calcium carbonate hexahydrate controlled by interfacial water. J Colloid Interface Sci 2021; 611:346-355. [PMID: 34959008 DOI: 10.1016/j.jcis.2021.12.095] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/09/2021] [Accepted: 12/14/2021] [Indexed: 12/14/2022]
Abstract
Amorphous calcium carbonate (ACC) is widely known as a metastable precursor in the formation of crystalline calcium carbonate biominerals. However, the exact role of water during the crystallization of ACC remains elusive. Here, a novel ACC with high specific surface area and nanopores is synthesized by solvent-induced dehydration and amorphization of crystalline calcium carbonate hexahydrate (ikaite), denoted as I-ACC. Comparing I-ACC and typical spherical ACC (S-ACC) nanoparticles, it reveals that the crystallization pathways of ACC under heating or pressure are not dictated by the total amount of water in ACC as reported, but rather the interfacial water that is released from ACC bulk and adsorbed on the surface of the particles. We show that the crystallization pathways of I-ACC to calcite single crystal with high specific surface area or vaterite can be easily controlled by tuning the release of water during heating. In addition, densely packed pure vaterite can be obtained via pressured-induced transformation of I-ACC at room temperature, which is otherwise difficult to form using S-ACC. These insights contribute to the understanding of the biological control of mineral formation via amorphous precursors and offer new opportunities to bioprocess inspired fabrication of strong bulk material at room temperature.
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Affiliation(s)
- Qihang Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Zhaoyong Zou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
| | - Hao Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Weimin Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Zhengyi Fu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
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38
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Dorozhkin SV. Synthetic amorphous calcium phosphates (ACPs): preparation, structure, properties, and biomedical applications. Biomater Sci 2021; 9:7748-7798. [PMID: 34755730 DOI: 10.1039/d1bm01239h] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Amorphous calcium phosphates (ACPs) represent a metastable amorphous state of other calcium orthophosphates (abbreviated as CaPO4) possessing variable compositional but rather identical glass-like physical properties, in which there are neither translational nor orientational long-range orders of the atomic positions. In nature, ACPs of a biological origin are found in the calcified tissues of mammals, some parts of primitive organisms, as well as in the mammalian milk. Manmade ACPs can be synthesized in a laboratory by various methods including wet-chemical precipitation, in which they are the first solid phases, precipitated after a rapid mixing of aqueous solutions containing dissolved ions of Ca2+ and PO43- in sufficient amounts. Due to the amorphous nature, all types of synthetic ACPs appear to be thermodynamically unstable and, unless stored in dry conditions or doped by stabilizers, they tend to transform spontaneously to crystalline CaPO4, mainly to ones with an apatitic structure. This intrinsic metastability of the ACPs is of a great biological relevance. In particular, the initiating role that metastable ACPs play in matrix vesicle biomineralization raises their importance from a mere laboratory curiosity to that of a reasonable key intermediate in skeletal calcifications. In addition, synthetic ACPs appear to be very promising biomaterials both for manufacturing artificial bone grafts and for dental applications. In this review, the current knowledge on the occurrence, structural design, chemical composition, preparation, properties, and biomedical applications of the synthetic ACPs have been summarized.
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39
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Clarà Saracho A, Lucherini L, Hirsch M, Peter HM, Terzis D, Amstad E, Laloui L. Controlling the calcium carbonate microstructure of engineered living building materials. JOURNAL OF MATERIALS CHEMISTRY. A 2021; 9:24438-24451. [PMID: 34912560 PMCID: PMC8577622 DOI: 10.1039/d1ta03990c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 10/20/2021] [Indexed: 06/14/2023]
Abstract
The fabrication of responsive soft materials that enable the controlled release of microbial induced calcium carbonate (CaCO3) precipitation (MICP) would be highly desirable for the creation of living materials that can be used, for example, as self-healing construction materials. To obtain a tight control over the mechanical properties of these materials, needed for civil engineering applications, the amount, location, and structure of the forming minerals must be precisely tuned; this requires good control over the dynamic functionality of bacteria. Despite recent advances in the self-healing of concrete cracks and the understanding of the role of synthesis conditions on the CaCO3 polymorphic regulation, the degree of control over the CaCO3 remains insufficient to meet these requirements. We demonstrate that the amount and location of CaCO3 produced within a matrix, can be controlled through the concentration and location of bacteria; these parameters can be precisely tuned if bacteria are encapsulated, as we demonstrate with the soil-dwelling bacterium Sporosarcina pasteurii that is deposited within biocompatible alginate and carboxymethyl cellulose (CMC) hydrogels. Using a competitive ligand exchange mechanism that relies on the presence of yeast extract, we control the timing of the release of calcium ions that crosslink the alginate or CMC without compromising bacterial viability. With this novel use of hydrogel encapsulation of bacteria for on-demand release of MICP, we achieve control over the amount and structure of CaCO3-based composites and demonstrate that S. pasteurii can be stored for up to 3 months at an accessible storage temperature of 4 °C, which are two important factors that currently limit the applicability of MICP for the reinforcement of construction materials. These composites thus have the potential to sense, respond, and heal without the need for external intervention.
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Affiliation(s)
| | - Lorenzo Lucherini
- Laboratory of Soil Mechanics, Swiss Federal Institute of Technology Lausanne Switzerland
| | - Matteo Hirsch
- Soft Matter Laboratory, Swiss Federal Institute of Technology Lausanne Switzerland
| | - Hannes M Peter
- Stream Biofilm and Ecosystem Research Laboratory, Swiss Federal Institute of Technology Lausanne Switzerland
| | - Dimitrios Terzis
- Laboratory of Soil Mechanics, Swiss Federal Institute of Technology Lausanne Switzerland
| | - Esther Amstad
- Soft Matter Laboratory, Swiss Federal Institute of Technology Lausanne Switzerland
| | - Lyesse Laloui
- Laboratory of Soil Mechanics, Swiss Federal Institute of Technology Lausanne Switzerland
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40
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Zhu Y, Li Q, Kim D, Min Y, Lee B, Jun YS. Sulfate-Controlled Heterogeneous CaCO 3 Nucleation and Its Non-linear Interfacial Energy Evolution. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:11455-11464. [PMID: 34314155 DOI: 10.1021/acs.est.1c02865] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Unveiling the effects of an environmental abundant anion "sulfate" on the formation of calcium carbonate (CaCO3) is essential to understand the formation mechanisms of biominerals like corals and brachiopod shells, as well as the scale formation in desalination systems. However, it was experimentally challenging to elucidate the sulfate-CaCO3 interactions at the explicit first step of CaCO3 formation: nucleation. In addition, there is limited quantitative information on the precise control of nucleation kinetics. Here, heterogeneous CaCO3 nucleation is monitored in real time as a function of sulfate concentrations (0-10 mM Na2SO4) using synchrotron-based grazing incidence X-ray scattering techniques. The results showed that sulfate can be incorporated in the nuclei, resulting in a nearly 90% decrease in the CaCO3 nucleation rate, causing a 120% increase in the CaCO3 nucleus size, and inhibiting the vaterite-to-calcite phase transformation. Moreover, this work quantitatively relates sulfate concentrations to the effective interfacial energies of CaCO3 and finds a non-linear trend, suggesting that CaCO3 heterogeneous nucleation is more sensitive at a low sulfate concentration. This study can be readily extended to study other additives and obtain quantitative relationships between additive concentrations and CaCO3 interfacial energies, a key step toward achieving natural and engineered controls on CaCO3 nucleation.
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Affiliation(s)
- Yaguang Zhu
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Qingyun Li
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Doyoon Kim
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Yujia Min
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
| | - Byeongdu Lee
- X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Young-Shin Jun
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
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41
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Huang Y, Rao A, Huang S, Chang C, Drechsler M, Knaus J, Chan JCC, Raiteri P, Gale JD, Gebauer D. Aufdeckung der Rolle von Hydrogencarbonat‐Ionen bei der Bildung von Calciumcarbonat im nahezu neutralen pH‐Bereich. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yu‐Chieh Huang
- Fachbereich Chemie, Physikalische Chemie Universität Konstanz Deutschland
| | - Ashit Rao
- Physics of Complex Fluids Group and MESA+ Institute Faculty of Science and Technology University of Twente Enschede Niederlande
| | - Shing‐Jong Huang
- Department of Chemistry National Taiwan University Taipei Taiwan
| | - Chun‐Yu Chang
- Department of Chemistry National Taiwan University Taipei Taiwan
| | | | - Jennifer Knaus
- Fachbereich Chemie, Physikalische Chemie Universität Konstanz Deutschland
- stimOS GmbH Konstanz Deutschland
| | | | - Paolo Raiteri
- Curtin Institute for Computation/, The Institute for Geoscience Research (TIGeR) School of Molecular and Life Sciences Curtin University Perth Australien
| | - Julian D. Gale
- Curtin Institute for Computation/, The Institute for Geoscience Research (TIGeR) School of Molecular and Life Sciences Curtin University Perth Australien
| | - Denis Gebauer
- Institut für Anorganische Chemie Leibniz Universität Hannover Callinstraße 9 30167 Hannover Deutschland
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42
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Huang YC, Rao A, Huang SJ, Chang CY, Drechsler M, Knaus J, Chan JCC, Raiteri P, Gale JD, Gebauer D. Uncovering the Role of Bicarbonate in Calcium Carbonate Formation at Near-Neutral pH. Angew Chem Int Ed Engl 2021; 60:16707-16713. [PMID: 33973691 PMCID: PMC8362096 DOI: 10.1002/anie.202104002] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Indexed: 11/30/2022]
Abstract
Mechanistic pathways relevant to mineralization are not well‐understood fundamentally, let alone in the context of their biological and geological environments. Through quantitative analysis of ion association at near‐neutral pH, we identify the involvement of HCO3− ions in CaCO3 nucleation. Incorporation of HCO3− ions into the structure of amorphous intermediates is corroborated by solid‐state nuclear magnetic resonance spectroscopy, complemented by quantum mechanical calculations and molecular dynamics simulations. We identify the roles of HCO3− ions as being through (i) competition for ion association during the formation of ion pairs and ion clusters prior to nucleation and (ii) incorporation as a significant structural component of amorphous mineral particles. The roles of HCO3− ions as active soluble species and structural constituents in CaCO3 formation are of fundamental importance and provide a basis for a better understanding of physiological and geological mineralization.
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Affiliation(s)
- Yu-Chieh Huang
- Department of Chemistry, Physical Chemistry, University of Konstanz, Konstanz, Germany
| | - Ashit Rao
- Physics of Complex Fluids Group and MESA+ Institute, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands
| | - Shing-Jong Huang
- Department of Chemistry, National Taiwan University, Taipei, 106, Taiwan
| | - Chun-Yu Chang
- Department of Chemistry, National Taiwan University, Taipei, 106, Taiwan
| | | | - Jennifer Knaus
- Department of Chemistry, Physical Chemistry, University of Konstanz, Konstanz, Germany.,stimOS GmbH, Konstanz, Germany
| | | | - Paolo Raiteri
- Curtin Institute for Computation/, The Institute for Geoscience Research (TIGeR), School of Molecular and Life Sciences, Curtin University, Perth, Australia
| | - Julian D Gale
- Curtin Institute for Computation/, The Institute for Geoscience Research (TIGeR), School of Molecular and Life Sciences, Curtin University, Perth, Australia
| | - Denis Gebauer
- Institute of Inorganic Chemistry, Leibniz University of Hannover, Callinstraße 9, 30167, Hannover, Germany
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Pure hydroxyapatite synthesis originating from amorphous calcium carbonate. Sci Rep 2021; 11:11546. [PMID: 34078994 PMCID: PMC8173018 DOI: 10.1038/s41598-021-91064-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/20/2021] [Indexed: 11/17/2022] Open
Abstract
We report a synthesis strategy for pure hydroxyapatite (HAp) using an amorphous calcium carbonate (ACC) colloid as the starting source. Room-temperature phosphorylation and subsequent calcination produce pure HAp via intermediate amorphous calcium phosphate (ACP). The pre-calcined sample undergoes a competitive transformation from ACC to ACP and crystalline calcium carbonate. The water content, ACC concentration, Ca/P molar ratio, and pH during the phosphorylation reaction play crucial roles in the final phase of the crystalline phosphate compound. Pure HAp is formed after ACP is transformed from ACC at a low concentration (1 wt%) of ACC colloid (1.71 < Ca/P < 1.88), whereas Ca/P = 1.51 leads to pure β-tricalcium phosphate. The ACP phases are precursors for calcium phosphate compounds and may determine the final crystalline phase.
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44
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Unseeded, spontaneous nucleation of spherulitic magnesium calcite. J Colloid Interface Sci 2021; 593:359-369. [PMID: 33744544 DOI: 10.1016/j.jcis.2021.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/06/2021] [Accepted: 03/01/2021] [Indexed: 11/22/2022]
Abstract
Most of the sedimentary carbonates deposited in the marine environments are composed of calcium carbonate minerals with varying amounts of incorporated Mg2+. However, understanding how interactions of impurities with carbonate and their incorporation affect sediments behavior remains a challenge. Here, a new insight is obtained by monitoring solution composition, morphology, and electrokinetic potential of carbonate particles formed in a spontaneous unseeded batch precipitation experiment using electrochemical and scanning electron microscopy methods. The solid composition and growth rate are extracted from changes in the bulk composition and fitted to chemical affinity rate law, revealing that the precipitation pathway consists of second-order dissolution and first-order precipitation. The molecular dynamics simulations show that the lattice strain induced by randomly substituting Ca2+ by Mg2+ stabilizes spherical nanoparticles and reduces their surface area and volume. Combining kinetics and thermodynamics insight, we conclude that variation in the carbonate bulk and interfacial energies, along with the solution supersaturation, lead to the dissolution-precipitation transformation pathway from Mg-rich to Mg-poor carbonate phase that preserves spherulitic morphology. Our findings are relevant for long-standing questions of how impurities influence diagenesis of carbonate sediments and spherulitic carbonate particles' origin.
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Bwatanglang IB, Magili ST, Kaigamma I. Adsorption of phenol over bio-based silica/calcium carbonate (CS-SiO 2/CaCO 3) nanocomposite synthesized from waste eggshells and rice husks. PEERJ PHYSICAL CHEMISTRY 2021. [DOI: 10.7717/peerj-pchem.17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A bio-based Silica/Calcium Carbonate (CS–SiO2/CaCO3) nanocomposite was synthesized in this study using waste eggshells (ES) and rice husks (RH). The adsorbents (ESCaCO3, RHSiO2 and, CS-SiO2/CaCO3) characterized using XRD show crystallinity associated with the calcite and quartz phase. The FTIR of ESCaCO3 shows the CO−23 group of CaCO3, while the spectra of RHSiO2 majorly show the siloxane bonds (Si–O–Si) in addition to the asymmetric and symmetric bending mode of SiO2. The spectra for Chitosan (CS) show peaks corresponding to the C=O vibration mode of amides, C–N stretching, and C–O stretching. The CS–SiO2/CaCO3 nanocomposite shows the spectra pattern associated with ESCaCO3 and RHSiO2. The FESEM micrograph shows a near monodispersed and spherical CS–SiO2/CaCO3 nanocomposite morphology, with an average size distribution of 32.15 ± 6.20 nm. The corresponding EDX showed the representative peaks for Ca, C, Si, and O. The highest removal efficiency of phenol over the adsorbents was observed over CS–SiO2/CaCO3 nanocomposite compared to other adsorbents. Adsorbing 84–89% of phenol in 60–90 min at a pH of 5.4, and a dose of 0.15 g in 20 ml of 25 mg/L phenol concentration. The result of the kinetic model shows the adsorption processes to be best described by pseudo-second-order. The highest correlation coefficient (R2) of 0.99 was observed in CS-SiO2/CaCO3 nanocomposite, followed by RHSiO2 and ESCaCO3. The result shows the equilibrium data for all the adsorbents fitting well to the Langmuir isotherm model, and follow the trend CS-SiO2/CaCO3 > ESCaCO3 > RHSiO2. The Langmuir equation and Freundlich model in this study show a higher correlation coefficient (R2 = 0.9912 and 0.9905) for phenol adsorption onto the CS–SiO2/CaCO3 nanocomposite with a maximum adsorption capacity (qm ) of 14.06 mg/g compared to RHSiO2 (10.64 mg/g) and ESCaCO3 (10.33 mg/g). The results suggest good monolayer coverage on the adsorbent’s surface (Langmuir) and heterogeneous surfaces with available binding sites (Freundlich).
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Brownlee C, Langer G, Wheeler GL. Coccolithophore calcification: Changing paradigms in changing oceans. Acta Biomater 2021; 120:4-11. [PMID: 32763469 DOI: 10.1016/j.actbio.2020.07.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/13/2020] [Accepted: 07/26/2020] [Indexed: 11/30/2022]
Abstract
Coccolithophores represent a major component of the marine phytoplankton and contribute to the bulk of biogenic calcite formation on Earth. These unicellular protists produce minute calcite scales (coccoliths) within the cell, which are secreted to the cell surface. Individual coccoliths and their arrangements on the cell surface display a wide range of morphological variations. This review explores some of the recent evidence that points to similarities and differences in the mechanisms of calcification, focussing on the transport mechanisms that bring substrates to, and remove products from the site of calcification, together with new findings on factors that regulate coccolith morphology. We argue that better knowledge of these mechanisms and their variations is needed to inform more generally how different species of coccolithophore are likely to respond to changes in ocean chemistry. STATEMENT OF SIGNIFICANCE: Coccolithophores, minute single celled phytoplankton are the major producers of biogenic carbonate on Earth. They also represent an important component of the ocean's biota and contribute significantly to global carbon fluxes. Coccolithophores produce intricate calcite scales (coccoliths) internally that they secrete onto their external surface. This review presents some recent key findings on the mechanisms underlying the production of coccoliths. It also considers the factors that regulate the rate of production as well as the variety of shapes of individual coccoliths and their arrangements at the cell surface. Understanding these processes is needed to allow better predictions of how coccolithophores may respond to changing ocean chemistry associated with climate change.
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Affiliation(s)
- Colin Brownlee
- Marine Biological Association, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK; School of Ocean and Earth Sciences, University of Southampton, Southampton SO14 3ZH, UK.
| | - Gerald Langer
- Marine Biological Association, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
| | - Glen L Wheeler
- Marine Biological Association, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
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Wang J, Zhang Y, Chen W, Li Q, Wu Y, Jiang H, Xing D. A facile ligand-free route to calcium carbonate superstructures. NEW J CHEM 2021. [DOI: 10.1039/d1nj03362j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By capturing the inherent transition behavior, CaCO3 superstructures with well-defined morphologies and amorphous-to-vaterite polymorph nature were obtained in a large scale and ligand-free manner.
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Affiliation(s)
- Jie Wang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China
- Cancer Institute, Qingdao University, Qingdao 266071, China
| | - Yukun Zhang
- Cancer Institute, Qingdao University, Qingdao 266071, China
| | - Wujun Chen
- Cancer Institute, Qingdao University, Qingdao 266071, China
| | - Qian Li
- Cancer Institute, Qingdao University, Qingdao 266071, China
| | - Yudong Wu
- Cancer Institute, Qingdao University, Qingdao 266071, China
| | - Hongfei Jiang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China
- Cancer Institute, Qingdao University, Qingdao 266071, China
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China
- Cancer Institute, Qingdao University, Qingdao 266071, China
- School of Life Sciences, Tsinghua University, Beijing 100084, China
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48
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Milovanovic M, Unruh MT, Brandt V, Tiller JC. Forming amorphous calcium carbonate within hydrogels by enzyme-induced mineralization in the presence of N-(phosphonomethyl)glycine. J Colloid Interface Sci 2020; 579:357-368. [PMID: 32615479 DOI: 10.1016/j.jcis.2020.06.047] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/08/2020] [Accepted: 06/10/2020] [Indexed: 11/19/2022]
Abstract
Amorphous inorganic materials have a great potential in material science. Amorphous calcium carbonate (ACC) is a widely useable system, however, its stabilization often turns out to be difficult and the synthesis is mostly limited to precipitation in solution as nanoparticles. Stable ACC in bulk phases would create new composite materials. Previous work described the enzyme-induced mineralization of hydrogels with crystalline calcium carbonate by entrapping urease into a hydrogel and treating this with an aqueous mineralization solution containing urea und calcium chloride. Here, this method was modified using a variety of crystallization inhibitors attached to the hydrogel matrix or added to the surrounding mineralization solution. It was found that only N-(phosphonomethyl)glycine (PMGly) in solution completely inhibits the crystallization of ACC in the hydrogel matrix. The stability of the homogeneously precipitated ACC could be accounted to the combination of stabilizing effects of the additive and stabilization through confinement. The crystallization could be accelerated at higher temperatures up to 60 °C. Here, a combination of Mg ions and PMGly was required to stabilize ACC in the hydrogel. Variation of these two compounds can be used to control a number of different calcium carbonate morphologies within the hydrogel. While the ACC nanoparticles within the hydrogel are stable over weeks even in water, a calcite layer grows on the surface of the hydrogel, which might be used as self-hardening mechanism of a surface.
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Affiliation(s)
| | - Marvin T Unruh
- Bergische Universität Wuppertal, Gaußstr. 20, 42119 Wuppertal, Germany.
| | - Volker Brandt
- TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany.
| | - Joerg C Tiller
- TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany.
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49
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Zhang M, Ping H, Fang W, Wan F, Xie H, Zou Z, Fu Z. Particle-attachment crystallization facilitates the occlusion of micrometer-sized Escherichia coli in calcium carbonate crystals with stable fluorescence. J Mater Chem B 2020; 8:9269-9276. [PMID: 32975544 DOI: 10.1039/d0tb01978j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inspired from the occlusion of macromolecules in mineral crystals during the biomineralization process, the occlusion mechanism of functional guest species into a host matrix is gradually revealed in artificial systems. However, the guest species within calcite crystals are limited to the nanometer scale. Herein, using amorphous calcium carbonate (ACC) as a precursor and taking advantage of the crystallization of vaterite by the attachment of ACC nanoparticles, micrometer-sized modified Escherichia coli (E. coli) was incorporated into vaterite crystals. The occlusion content of bacteria within the vaterite crystal could reach up to 16 wt%. On the contrary, the occlusion of E. coli into calcite crystals, which proceeded via ion-by-ion addition growth, was only confined to the surface layer. Through modifying the surface structure or chemical composition of bacteria, the strong interaction between the surface of the bacteria and calcium carbonate has proved to be the key factor for successful occlusion. Interestingly, the genetically modified green fluorescent protein (GFP)-E. coli/vaterite composites exhibited stable fluorescence for more than six months with little attenuation and the lifetime could be more than 1.2 μs. It was demonstrated that a combination of the amorphous precursor crystallization pathway and a suitable surface structure of the foreign species can significantly enhance the occlusion efficiency of micrometer-sized species in crystals.
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Affiliation(s)
- Mengqi Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
| | - Hang Ping
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
| | - Weijian Fang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
| | - Fuqiang Wan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
| | - Hao Xie
- School of Chemistry, Chemical Engineering, and Life Science, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China
| | - Zhaoyong Zou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
| | - Zhengyi Fu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
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50
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Morris PD, McPherson IJ, Meloni GN, Unwin PR. Nanoscale kinetics of amorphous calcium carbonate precipitation in H 2O and D 2O. Phys Chem Chem Phys 2020; 22:22107-22115. [PMID: 32990693 DOI: 10.1039/d0cp03032e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Calcium carbonate (CaCO3) is one of the most well-studied and abundant natural materials on Earth. Crystallisation of CaCO3 is often observed to proceed via an amorphous calcium carbonate (ACC) phase, as a precursor to more stable crystalline polymorphs such as vaterite and calcite. Despite its importance, the kinetics of ACC formation have proved difficult to study, in part due to rapid precipitation at moderate supersaturations, and the instability of ACC with respect to all other polymorphs. However, ACC can be stabilised under confinement conditions, such as those provided by a nanopipette. This paper demonstrates electrochemical mixing of a Ca2+ salt (CaCl2) and a HCO3- salt (NaHCO3) in a nanopipette to repeatedly and reversibly precipitate nanoparticles of ACC under confined conditions, as confirmed by scanning transmission electron microscopy (STEM). Measuring the current as a function of applied potential across the end of the nanopipette and time provides millisecond-resolved measurements of the induction time for ACC precipitation. We demonstrate that under conditions of electrochemical mixing, ACC precipitation is extremely fast, and highly pH sensitive with an apparent third order dependence on CO32- concentration. Furthermore, the rate is very similar for the equivalent CO32- concentrations in D2O, suggesting that neither ion dehydration nor HCO3- deprotonation represent significant energetic barriers to the formation of ACC. Finite element method simulations of the electrochemical mixing process enable the supersaturation to be estimated for all conditions and accurately predict the location of precipitation.
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Affiliation(s)
- Peter D Morris
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK.
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