1
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Shao C, Pan H, Tao J, Cho KR, Tang R, Gower LB, De Yoreo JJ. Time evolution of moduli of a polymer-induced liquid precursor (PILP) of calcium carbonate. Chem Commun (Camb) 2024; 60:3950-3953. [PMID: 38498350 DOI: 10.1039/d4cc00449c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
In situ AFM observations show that when PILP droplets contact a surface, their initial properties are either a liquid with a high interfacial tension (350 mJ m-2) or a soft gel-like material with a low modulus (less than 0.2 MPa). These findings suggest that PILP may initially be liquid-like to infiltrate collagen fibrils, enabling the production of interpenetrating composites, and/or become viscoelastic, to provide a means for moulding minerals.
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Affiliation(s)
- Changyu Shao
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, China
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, 310027, China.
- Centre for Biomaterials and Biopathways and Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.
| | - Haihua Pan
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, 310027, China.
| | - Jinhui Tao
- Physical Sciences Division, Pacific Northwest National Laboratory, WA, 99354, USA.
| | - Kang Rae Cho
- Department of Applied Chemistry, College of Engineering, Cheongju University, Cheongju 28503, Republic of Korea
| | - Ruikang Tang
- Centre for Biomaterials and Biopathways and Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.
| | - Laurie B Gower
- Department of Materials Science & Engineering, University of Florida, FL, 32611, USA
| | - James J De Yoreo
- Physical Sciences Division, Pacific Northwest National Laboratory, WA, 99354, USA.
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2
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Triunfo C, Gärtner S, Marchini C, Fermani S, Maoloni G, Goffredo S, Gomez Morales J, Cölfen H, Falini G. Recovering and Exploiting Aragonite and Calcite Single Crystals with Biologically Controlled Shapes from Mussel Shells. ACS OMEGA 2022; 7:43992-43999. [PMID: 36506210 PMCID: PMC9730488 DOI: 10.1021/acsomega.2c05386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/31/2022] [Indexed: 06/17/2023]
Abstract
Control over the shape and morphology of single crystals is a theme of great interest in fundamental science and for technological application. Many synthetic strategies to achieve this goal are inspired by biomineralization processes. Indeed, organisms are able to produce crystals with high fidelity in shape and morphology utilizing macromolecules that act as modifiers. An alternative strategy can be the recovery of crystals from biomineralization products, in this case, seashells. In particular, waste mussel shells from aquaculture are considered. They are mainly built up of single crystals of calcite fibers and aragonite tablets forming an outer and an inner layer, respectively. A simple mechanochemical treatment has been developed to separate and recover these two typologies of single crystals. The characterization of these single crystals showed peculiar properties with respect to the calcium carbonate from quarry or synthesis. We exploited these biomaterials in the water remediation field using them as substrate adsorbing dyes. We found that these substrates show a high capability of adsorption for anionic dye, such as Eosin Y, but a low capability of adsorption for cationic dyes, such as Blue Methylene. The adsorption was reversible at pH 5.6. This application represents just an example of the potential use of these biogenic single crystals. We also envision potential applications as reinforcing fillers and optical devices.
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Affiliation(s)
- Carla Triunfo
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via F. Selmi 2, 40126 Bologna, Italy
- Fano
Marine Center, The Inter-Institute Center
for Research on Marine Biodiversity, Resources and Biotechnologies, Viale Adriatico 1/N, 61032 Fano, Italy
| | - Stefanie Gärtner
- Department
of Chemistry, Physical Chemistry, University
of Konstanz, Universitätsstrasse 10, Box 714, D-78457 Konstanz, Germany
| | - Chiara Marchini
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via F. Selmi 2, 40126 Bologna, Italy
- Fano
Marine Center, The Inter-Institute Center
for Research on Marine Biodiversity, Resources and Biotechnologies, Viale Adriatico 1/N, 61032 Fano, Italy
| | - Simona Fermani
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via F. Selmi 2, 40126 Bologna, Italy
- Interdepartmental
Centre for Industrial Research Health Sciences and Technologies, University of Bologna, Via Tolara di Sopra 41/E, Ozzano dell’Emilia, 40064 Bologna, Italy
| | - Gabriele Maoloni
- Plant
Ascoli Piceno, Finproject S.p.A., Via Enrico Mattei, 1—Zona
Ind.le Campolungo, 3100 Ascoli Piceno, Italy
| | - Stefano Goffredo
- Fano
Marine Center, The Inter-Institute Center
for Research on Marine Biodiversity, Resources and Biotechnologies, Viale Adriatico 1/N, 61032 Fano, Italy
- Department
of Biological, Geological and Environmental Sciences, University of Bologna, Via Selmi 3, 40126 Bologna, Italy
| | - Jaime Gomez Morales
- Laboratorio
de Estudios Cristalográficos, Instituto
Andaluz de Ciencias de la Tierra (CSIC-UGR), Avda. Las Palmeras, No 4, 18100 Armilla (Granada), Spain
| | - Helmut Cölfen
- Department
of Chemistry, Physical Chemistry, University
of Konstanz, Universitätsstrasse 10, Box 714, D-78457 Konstanz, Germany
| | - Giuseppe Falini
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via F. Selmi 2, 40126 Bologna, Italy
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3
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Czaplicka N, Konopacka-Łyskawa D, Nowotnik A, Mielewczyk-Gryń A, Łapiński M, Bray R. Precipitation of calcium carbonate in the presence of rhamnolipids in alginate hydrogels as a model of biomineralization. Colloids Surf B Biointerfaces 2022; 218:112749. [PMID: 35932556 DOI: 10.1016/j.colsurfb.2022.112749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 10/16/2022]
Abstract
This paper reports the effects of rhamnolipids presence in the alginate hydrogel and CO32- solution, on the precipitation of CaCO3 in the Ca2+ loaded alginate hydrogel. Characteristics of the formed particles are discussed. Model conditions containing alginate hydrogel and rhamnolipids were used in order to mimic the natural environment of biomineralization in biofilms. It has been shown that rhamnolipids affect the characteristics of precipitated calcium carbonate effect of using these biosurfactants depends on their concentration as well as whether they are directly present in the hydrogel matrix or the carbonate solution surrounding the hydrogel. The greatest effect compared to the control samples was found for the rhamnolipids in the form of micelles directly present in the hydrogel with the CaCl2 cross-linked solution at concentration of 0.05 M. These conditions result in the highest increase in vaterite content, specific surface area, and pore volume. The mechanism of CaCO3 precipitation in alginate hydrogel containing rhamnolipids has been proposed.
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Affiliation(s)
- Natalia Czaplicka
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland.
| | - Donata Konopacka-Łyskawa
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Agata Nowotnik
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Aleksandra Mielewczyk-Gryń
- Institute of Nanotechnology and Materials Engineering and Advanced Materials Center, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Marcin Łapiński
- Institute of Nanotechnology and Materials Engineering and Advanced Materials Center, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Rafał Bray
- Department of Water and Wastewater Technology, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
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Elias J, Angelini T, Martindale MQ, Gower L. Assessment of Optimal Conditions for Marine Invertebrate Cell-Mediated Mineralization of Organic Matrices. Biomimetics (Basel) 2022; 7:biomimetics7030086. [PMID: 35892356 PMCID: PMC9326593 DOI: 10.3390/biomimetics7030086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/24/2022] [Accepted: 06/24/2022] [Indexed: 11/24/2022] Open
Abstract
Cellular strategies and regulation of their crystallization mechanisms are essential to the formation of biominerals, and harnessing these strategies will be important for the future creation of novel non-native biominerals that recapitulate the impressive properties biominerals possess. Harnessing these biosynthetic strategies requires an understanding of the interplay between insoluble organic matrices, mineral precursors, and soluble organic and inorganic additives. Our long-range goal is to use a sea anemone model system (Nematostella vectensis) to examine the role of intrinsically disordered proteins (IDPs) found in native biomineral systems. Here, we study how ambient temperatures (25–37 °C) and seawater solution compositions (varying NaCl and Mg ratios) will affect the infiltration of organic matrices with calcium carbonate mineral precursors generated through a polymer-induced liquid-precursor (PILP) process. Fibrillar collagen matrices were used to assess whether solution conditions were suitable for intrafibrillar mineralization, and SEM with EDS was used to analyze mineral infiltration. Conditions of temperatures 30 °C and above and with low Mg:Ca ratios were determined to be suitable conditions for calcium carbonate infiltration. The information obtained from these observations may be useful for the manipulation and study of cellular secreted IDPs in our quest to create novel biosynthetic materials.
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Affiliation(s)
- Jeremy Elias
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA;
| | - Thomas Angelini
- Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL 32611, USA;
| | - Mark Q. Martindale
- Whitney Laboratory of Marine Bioscience, University of Florida, St. Augustine, FL 32080, USA;
| | - Laurie Gower
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA;
- Correspondence:
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5
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Gower L, Elias J. Colloid assembly and transformation (CAT): The relationship of PILP to biomineralization. J Struct Biol X 2022; 6:100059. [PMID: 35036905 PMCID: PMC8749173 DOI: 10.1016/j.yjsbx.2021.100059] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/16/2021] [Accepted: 12/18/2021] [Indexed: 11/16/2022] Open
Abstract
Comparative analysis of biominerals to PILP minerals. Role of intrinsically disordered proteins in modulating biomineralization. Discussion on the viscoelastic nature of the PILP phase and biominerals. New pathway terminology proposed- Colloid Assembly & Transformation (CAT).
The field of biomineralization has undergone a revolution in the past 25 years, which paralleled the discovery by Gower of a polymer-induced liquid-precursor (PILP) mineralization process. She proposed this in vitro model system might be useful for studying the role biopolymers play in biomineralization; however, the ramifications of this pivotal discovery were slow to be recognized. This was presumably because it utilized simple polypeptide additives, and at that time it was not recognized that the charged proteins intimately associated with biominerals are often intrinsically disordered proteins (IDPs). Over the years, many enigmatic biomineral features have been emulated with this model system, too many to be mere coincidence. Yet the PILP system continues to be underacknowledged, probably because of its namesake, which indicates a “liquid precursor”, while we now know the phase appears to have viscoelastic character. Another factor is the confusing semantics that arose from the discovery of multiple “non-classical crystallization” pathways. This review suggests a more relevant terminology for the polymer-modulated reactions is “colloid assembly and transformation (CAT)”, which we believe more accurately captures the key stages involved in both biomineralization and the PILP process. The PILP model system has helped to decipher the key role that biopolymers, namely the IDPs, play in modulating biomineralization processes, which was not readily accomplished in living biological systems. Some remaining challenges in understanding the organic–inorganic interactions involved in biomineralization are discussed, which further highlight how the PILP model system may prove invaluable for studying the simple, yet complex, CAT crystallization pathway.
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Affiliation(s)
- Laurie Gower
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL, USA
| | - Jeremy Elias
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL, USA
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6
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Liquid–Solid Core-Shell Microcapsules of Calcium Carbonate Coated Emulsions and Liposomes. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10238551] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Micron-sized core-shell particles consisting of a calcium carbonate (CaCO3) mineral shell and a fluidic core were generated using a biomimetic approach, for the purpose of use as biodegradable microcapsules for release of active agents. Dinoflagellate cysts, unicellular organisms which deposit a protective hard mineral shell around their soft and fluidic cellular interior, served as our inspiration. Using the biomimetic polymer-induced liquid-precursor (PILP) mineralization process, calcium carbonate coatings were deposited on charged emulsion droplets and liposomes. Light microscopy, scanning electron microscopy, polarized light microscopy, X-ray diffraction, and confocal fluorescence microscopy were used to demonstrate that smooth CaCO3 mineral coatings can be deposited onto the high curvature surfaces of emulsions and liposomes to yield micron-sized microcapsules for the effective entrapment of both hydrophobic and hydrophilic active agents. These biodegradable and biocompatible CaCO3 microcapsules are novel systems for producing a powdered form of fluid-containing capsules for storage and transport of pharma/chemical agents. They may be used in lieu of, or in conjunction with, existing microcapsule delivery approaches, as well as providing a convenient foundation for which polymeric coatings could be further applied, allowing for more complex targeting and/or chemical-release control.
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7
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Electrophoretic and potentiometric signatures of multistage CaCO3 nucleation. J Colloid Interface Sci 2019; 544:249-256. [DOI: 10.1016/j.jcis.2019.03.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 01/20/2023]
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8
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Amorphous Phase Mediated Crystallization: Fundamentals of Biomineralization. CRYSTALS 2018. [DOI: 10.3390/cryst8010048] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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9
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Walker JM, Marzec B, Nudelman F. Solid-State Transformation of Amorphous Calcium Carbonate to Aragonite Captured by CryoTEM. Angew Chem Int Ed Engl 2017; 56:11740-11743. [PMID: 28742941 PMCID: PMC5656811 DOI: 10.1002/anie.201703158] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 06/26/2017] [Indexed: 12/26/2022]
Abstract
Early-stage reaction mechanisms for aragonite-promoting systems are relatively unknown compared to the more thermodynamically stable calcium carbonate polymorph, calcite. Using cryoTEM and SEM, the early reaction stages taking place during aragonite formation were identified in a highly supersaturated solution using an alcohol-water solvent, and an overall particle attachment growth mechanism was described for the system. In vitro evidence is provided for the solid-state transformation of amorphous calcium carbonate to aragonite, demonstrating the co-existence of both amorphous and crystalline material within the same aragonite needle. This supports non-classical formation of aragonite within both a synthetic and biological context.
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Affiliation(s)
- Jessica M. Walker
- School of ChemistryUniversity of EdinburghJoseph Black BuildingDavid Brewster RoadEdinburghEH9 3FJUK
| | - Bartosz Marzec
- School of ChemistryUniversity of EdinburghJoseph Black BuildingDavid Brewster RoadEdinburghEH9 3FJUK
| | - Fabio Nudelman
- School of ChemistryUniversity of EdinburghJoseph Black BuildingDavid Brewster RoadEdinburghEH9 3FJUK
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10
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Walker JM, Marzec B, Nudelman F. Solid-State Transformation of Amorphous Calcium Carbonate to Aragonite Captured by CryoTEM. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703158] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jessica M. Walker
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Bartosz Marzec
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Fabio Nudelman
- School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
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11
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Rodríguez-Navarro C, Ruiz-Agudo E, Harris J, Wolf SE. Nonclassical crystallization in vivo et in vitro (II): Nanogranular features in biomimetic minerals disclose a general colloid-mediated crystal growth mechanism. J Struct Biol 2016; 196:260-287. [DOI: 10.1016/j.jsb.2016.09.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 09/05/2016] [Accepted: 09/07/2016] [Indexed: 12/20/2022]
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12
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Chang EP, Roncal-Herrero T, Morgan T, Dunn KE, Rao A, Kunitake JAMR, Lui S, Bilton M, Estroff LA, Kröger R, Johnson S, Cölfen H, Evans JS. Synergistic Biomineralization Phenomena Created by a Combinatorial Nacre Protein Model System. Biochemistry 2016; 55:2401-10. [PMID: 27072850 DOI: 10.1021/acs.biochem.6b00163] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In the nacre or aragonite layer of the mollusk shell, proteomes that regulate both the early stages of nucleation and nano-to-mesoscale assembly of nacre tablets from mineral nanoparticle precursors exist. Several approaches have been developed to understand protein-associated mechanisms of nacre formation, yet we still lack insight into how protein ensembles or proteomes manage nucleation and crystal growth. To provide additional insights, we have created a proportionally defined combinatorial model consisting of two nacre-associated proteins, C-RING AP7 (shell nacre, Haliotis rufescens) and pseudo-EF hand PFMG1 (oyster pearl nacre, Pinctada fucata), whose individual in vitro mineralization functionalities are well-documented and distinct from one another. Using scanning electron microscopy, flow cell scanning transmission electron microscopy, atomic force microscopy, Ca(II) potentiometric titrations, and quartz crystal microbalance with dissipation monitoring quantitative analyses, we find that both nacre proteins are functionally active within the same mineralization environments and, at 1:1 molar ratios, synergistically create calcium carbonate mesoscale structures with ordered intracrystalline nanoporosities, extensively prolong nucleation times, and introduce an additional nucleation event. Further, these two proteins jointly create nanoscale protein aggregates or phases that under mineralization conditions further assemble into protein-mineral polymer-induced liquid precursor-like phases with enhanced ACC stabilization capabilities, and there is evidence of intermolecular interactions between AP7 and PFMG1 under these conditions. Thus, a combinatorial model system consisting of more than one defined biomineralization protein dramatically changes the outcome of the in vitro biomineralization process.
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Affiliation(s)
- Eric P Chang
- Center for Skeletal Biology, Laboratory for Chemical Physics, New York University College of Dentistry , New York, New York 10010, United States
| | | | - Tamara Morgan
- Department of Electronics, University of York , Heslington, York, United Kingdom
| | - Katherine E Dunn
- Department of Electronics, University of York , Heslington, York, United Kingdom
| | - Ashit Rao
- Department of Chemistry, Universitat Konstanz , Konstanz, Germany
| | - Jennie A M R Kunitake
- Department of Materials Science and Engineering, Cornell University , Ithaca, New York 14853-1501, United States
| | - Susan Lui
- Center for Skeletal Biology, Laboratory for Chemical Physics, New York University College of Dentistry , New York, New York 10010, United States
| | - Matthew Bilton
- Department of Physics, University of York , Heslington, York, United Kingdom
| | - Lara A Estroff
- Department of Materials Science and Engineering, Cornell University , Ithaca, New York 14853-1501, United States
| | - Roland Kröger
- Department of Physics, University of York , Heslington, York, United Kingdom
| | - Steven Johnson
- Department of Electronics, University of York , Heslington, York, United Kingdom
| | - Helmut Cölfen
- Department of Chemistry, Universitat Konstanz , Konstanz, Germany
| | - John Spencer Evans
- Center for Skeletal Biology, Laboratory for Chemical Physics, New York University College of Dentistry , New York, New York 10010, United States
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13
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Kajiyama S, Sakamoto T, Inoue M, Nishimura T, Yokoi T, Ohtsuki C, Kato T. Rapid and topotactic transformation from octacalcium phosphate to hydroxyapatite (HAP): a new approach to self-organization of free-standing thin-film HAP-based nanohybrids. CrystEngComm 2016. [DOI: 10.1039/c6ce01336h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Harris J, Mey I, Hajir M, Mondeshki M, Wolf SE. Pseudomorphic transformation of amorphous calcium carbonate films follows spherulitic growth mechanisms and can give rise to crystal lattice tilting. CrystEngComm 2015. [DOI: 10.1039/c5ce00441a] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Tuning the pseudomorphic transformation of calcium carbonate allows for the generation of crystal lattice tilting similar to that found in calcareous biominerals.
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Affiliation(s)
- Joe Harris
- Department of Materials Science and Engineering
- Chair of Glass and Ceramics (WW3)
- Friedrich-Alexander-University Erlangen-Nürnberg. Martensstrasse 5
- 91058 Erlangen, Germany
| | - I. Mey
- Institute of Organic and Biomolecular Chemistry
- Georg-August-University of Göttingen
- Tammannstrasse 2
- 37077 Göttingen, Germany
| | - M. Hajir
- Institute of Inorganic and Analytical Chemistry
- Johannes Gutenberg-University of Mainz
- , Germany
| | - M. Mondeshki
- Institute of Inorganic and Analytical Chemistry
- Johannes Gutenberg-University of Mainz
- , Germany
| | - Stephan E. Wolf
- Department of Materials Science and Engineering
- Chair of Glass and Ceramics (WW3)
- Friedrich-Alexander-University Erlangen-Nürnberg. Martensstrasse 5
- 91058 Erlangen, Germany
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15
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Willinger MG, Polleux J, Antonietti M, Cölfen H, Pinna N, Nassif N. Structural evolution of aragonite superstructures obtained in the presence of the siderophore deferoxamine. CrystEngComm 2015. [DOI: 10.1039/c5ce00186b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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16
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The effect of a novel polyolefine based amphiphilic copolymer on the mineralization of calcium carbonate. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2014.01.053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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17
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Chang EP, Russ JA, Verch A, Kröger R, Estroff LA, Evans JS. Engineering of crystal surfaces and subsurfaces by framework biomineralization protein phases. CrystEngComm 2014. [DOI: 10.1039/c4ce00934g] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A nacre protein, n16.3, forms phases that introduce textured mineral overgrowth and subsurface nanoporosities within calcite crystals.
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Affiliation(s)
- Eric P. Chang
- Laboratory for Chemical Physics
- Center for Skeletal Sciences
- New York University
- New York, USA
| | - Jennie A. Russ
- Department of Materials Science and Engineering
- Cornell University
- Ithaca, USA
| | | | | | - Lara A. Estroff
- Department of Materials Science and Engineering
- Cornell University
- Ithaca, USA
| | - John Spencer Evans
- Laboratory for Chemical Physics
- Center for Skeletal Sciences
- New York University
- New York, USA
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18
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Oleksiak MD, Rimer JD. Synthesis of zeolites in the absence of organic structure-directing agents: factors governing crystal selection and polymorphism. REV CHEM ENG 2014. [DOI: 10.1515/revce-2013-0020] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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20
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Cao H, Lin G, Yao J, Shao Z. Amphiphilic Polypeptides as a Bifunctional Template in the Mineralization of Calcium Carbonate at the Air/Water Interface. Macromol Biosci 2013; 13:650-9. [DOI: 10.1002/mabi.201200334] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Revised: 12/20/2012] [Indexed: 11/10/2022]
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21
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Evans JS. “Liquid-like” biomineralization protein assemblies: a key to the regulation of non-classical nucleation. CrystEngComm 2013. [DOI: 10.1039/c3ce40803e] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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22
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Ray JR, Lee B, Baltrusaitis J, Jun YS. Formation of iron(III) (hydr)oxides on polyaspartate- and alginate-coated substrates: effects of coating hydrophilicity and functional group. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2012; 46:13167-75. [PMID: 23153372 DOI: 10.1021/es302124g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
To better understand the transport of contaminants in aqueous environments, we need more accurate information about heterogeneous and homogeneous nucleation of iron(III) hydroxide nanoparticles in the presence of organics. We combined synchrotron-based grazing incidence small-angle X-ray scattering (GISAXS) and SAXS and other nanoparticle and substrate surface characterization techniques to observe iron(III) (hydr)oxide [10⁻⁴ M Fe(NO₃)₃ in 10 mM NaNO₃] precipitation on quartz and on polyaspartate- and alginate-coated glass substrates and in solution (pH = 3.7 ± 0.2). Polyaspartate was determined to be the most negatively charged substrate and quartz the least; however, after 2 h, total nanoparticle volume calculations--from GISAXS--indicate that positively charged precipitation on quartz is twice that of alginate and 10 times higher than on polyaspartate, implying that electrostatics do not govern iron(III) (hydr)oxide nucleation. On the basis of contact angle measurements and surface characterization, we concluded that the degree of hydrophilicity may control heterogeneous nucleation on quartz and organic-coated substrates. The arrangement of functional groups at the substrate surface (--OH and --COOH) may also contribute. These results provide new information for elucidating the effects of polymeric organic substrate coatings on the size, volume, and location of nucleating iron hydroxides, which will help predict nanoparticle interactions in natural and engineered systems.
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Affiliation(s)
- Jessica R Ray
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, USA
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Chen L, Xu WH, Zhao YG, Kang Y, Liu SH, Zhang ZY. Synthesis of vaterite and aragonite crystals using biomolecules of tomato and capsicum. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2012. [DOI: 10.1134/s003602441213016x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sarkar A, Ghosh AK, Mahapatra S. Lauric acid triggered in situ surface modification and phase selectivity of calcium carbonate: its application as an oil sorbent. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm30778b] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Jiang Y, Gower L, Volkmer D, Cölfen H. The existence region and composition of a polymer-induced liquid precursor phase for dl-glutamic acid crystals. Phys Chem Chem Phys 2012; 14:914-9. [DOI: 10.1039/c1cp21862j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Thula TT, Rodriguez DE, Lee MH, Pendi L, Podschun J, Gower LB. In vitro mineralization of dense collagen substrates: a biomimetic approach toward the development of bone-graft materials. Acta Biomater 2011; 7:3158-69. [PMID: 21550424 PMCID: PMC3261505 DOI: 10.1016/j.actbio.2011.04.014] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Revised: 04/07/2011] [Accepted: 04/12/2011] [Indexed: 11/28/2022]
Abstract
Bone is an organic-inorganic composite which has hierarchical structuring that leads to high strength and toughness. The nanostructure of bone consists of nanocrystals of hydroxyapatite embedded and aligned within the interstices of collagen fibrils. This unique nanostructure leads to exceptional properties, both mechanical and biological, making it difficult to emulate bone properties without having a bone-like nanostructured material. A primary goal of our group's work is to use biomimetic processing techniques that lead to bone-like structures. In our prior studies, we demonstrated that intrafibrillar mineralization of porous collagen sponges, leading to a bone-like nanostructure, can be achieved using a polymer-induced liquid precursor (PILP) mineralization process. The objective of this study was to investigate the use of this polymer-directed crystallization process to mineralize dense collagen substrates. To examine collagen scaffolds that truly represent the dense-packed matrix of bone, manatee bone was demineralized to isolate its collagen matrix, consisting of a dense, lamellar osteonal microstructure. This biogenic collagen scaffold was then remineralized using polyaspartate to direct the mineralization process through an amorphous precursor pathway. The various conditions investigated included polymer molecular weight, substrate dimension and mineralization time. Mineral penetration depths of up to 100 μms were achieved using this PILP process, compared to no penetration with only surface precipitates observed for the conventional crystallization process. Electron microscopy, wide-angle X-ray diffraction and thermal analysis were used to characterize the resulting hydroxyapatite/collagen composites. These studies demonstrate that the original interpenetrating bone nanostructure and osteonal microstructure could be recovered in a biogenic matrix using the PILP process.
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Affiliation(s)
- Taili T Thula
- Materials Science and Engineering Department, University of Florida, Gainesville, FL 32611-6400, USA
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Junginger M, Kita-Tokarczyk K, Schuster T, Reiche J, Schacher F, Müller AHE, Cölfen H, Taubert A. Calcium phosphate mineralization beneath a polycationic monolayer at the air-water interface. Macromol Biosci 2010; 10:1084-92. [PMID: 20718053 DOI: 10.1002/mabi.201000093] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The self-assembly of the amphiphilic block copolymer poly(n-butyl methacrylate)-block-poly[2-(dimethylamino)ethyl methacrylate] at the air-water interface has been investigated at different pH values. Similar to Rehfeldt et al. (J. Phys. Chem. B 2006, 110, 9171), the subphase pH strongly affects the monolayer properties. The formation of calcium phosphate beneath the monolayer can be tuned by the subphase pH and hence the monolayer charge. After 12 h of mineralization at pH 5, the polymer monolayers are still transparent, but transmission electron microscopy (TEM) shows that very thin calcium phosphate fibers form, which aggregate into cotton ball-like features with diameters of 20 to 50 nm. In contrast, after 12 h of mineralization at pH 8, the polymer film is very slightly turbid and TEM shows dense aggregates with sizes between 200 and 700 nm. The formation of calcium phosphate is further confirmed by Raman and energy dispersive X-ray spectroscopy. The calcium phosphate architectures can be assigned to the monolayer charge, which is high at low pH and low at high pH. The study demonstrates that the effects of polycations should not be ignored if attempting to understand the colloid chemistry of biomimetic mineralization. It also shows that basic block copolymers are useful complementary systems to the much more commonly studied acidic block copolymer templates.
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Affiliation(s)
- Mathias Junginger
- University of Potsdam, Institute of Chemistry, 14476 Potsdam, Germany
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Thula TT, Svedlund F, Rodriguez DE, Podschun J, Pendi L, Gower LB. Mimicking the Nanostructure of Bone: Comparison of Polymeric Process-Directing Agents. Polymers (Basel) 2010; 3:10-35. [PMID: 22328971 DOI: 10.3390/polym3010010] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The nanostructure of bone has been replicated using a polymer-induced liquid-precursor (PILP) mineralization process. This polymer-mediated crystallization process yields intrafibrillar mineralization of collagen with uniaxially-oriented hydroxyapatite crystals. The process-directing agent, an anionic polymer which we propose mimics the acidic non-collagenous proteins associated with bone formation, sequesters calcium and phosphate ions to form amorphous precursor droplets that can infiltrate the interstices of collagen fibrils. In search of a polymeric agent that produces the highest mineral content in the shortest time, we have studied the influence of various acidic polymers on the in vitro mineralization of collagen scaffolds via the PILP process. Among the polymers investigated were poly-L aspartic acid (PASP), poly-L-glutamic acid (PGLU), polyvinylphosphonic acid (PVPA), and polyacrylic acid (PAA). Our data indicate that PASP and the combination of PGLU/PASP formed stable mineralization solutions, and yielded nano-structured composites with the highest mineral content. Such studies contribute to our goal of preparing biomimetic bone graft substitutes with composition and structure that mimic bone.
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Affiliation(s)
- Taili T Thula
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA
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Junginger M, Bleek K, Kita-Tokarczyk K, Reiche J, Shkilnyy A, Schacher F, Müller AHE, Taubert A. Calcium phosphate growth beneath a polycationic monolayer at the air-water interface: effects of oscillating surface pressure on mineralization. NANOSCALE 2010; 2:2440-2446. [PMID: 20835481 DOI: 10.1039/c0nr00380h] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The self-assembly of the amphiphilic block copolymer poly(butadiene)-block-poly[2-(dimethylamino)ethyl methacrylate] at the air-water interface and the mineralization of the monolayers with calcium phosphate was investigated at different pH values. As expected for polyelectrolytes, the subphase pH strongly affects the monolayer properties. The focus of the current study, however, is on the effect of an oscillating (instead of a static) polymer monolayer on calcium phosphate mineralization. Monitoring of the surface pressure vs. mineralization time shows that the monolayer is quite stable if the mineralization is performed at pH 8. In contrast, the monolayer at pH 5 shows a measurable decrease of the surface pressure already after ca. 2 h of mineralization. Transmission electron microscopy reveals that mineralization at low pH under constant oscillation leads to small particles, which are arranged in circular features and larger entities with holes of ca. 200 nm. The larger features with the holes disappear as the mineralization is continued in favor of the smaller particles. These grow with time and form necklace-like architectures of spherical particles with a uniform diameter. In contrast, mineralization at pH 8 leads to very uniform particle morphologies already after 2 h. The mineralization products consist of a circular feature with a dark dot in the center. The increasing contrast of the precipitates in the electron micrographs with mineralization time indicates an increasing degree of mineralization vs. reaction time. The study therefore shows that mechanical effects on mineralization at interfaces are quite complex.
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Chervonnyi AD, Chukanov NV, Chervonnaya NA. Synthetic calcium aluminosilicate monolith: III. The nature of binder and high-temperature behavior. RUSS J INORG CHEM+ 2010. [DOI: 10.1134/s0036023610100050] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Jee SS, Thula TT, Gower LB. Development of bone-like composites via the polymer-induced liquid-precursor (PILP) process. Part 1: influence of polymer molecular weight. Acta Biomater 2010; 6:3676-86. [PMID: 20359554 DOI: 10.1016/j.actbio.2010.03.036] [Citation(s) in RCA: 121] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2009] [Revised: 03/12/2010] [Accepted: 03/24/2010] [Indexed: 12/25/2022]
Abstract
Bone is an organic-inorganic composite consisting primarily of collagen fibrils and hydroxyapatite crystals intricately interlocked to provide skeletal and metabolic functions. Non-collagenous proteins (NCPs) are also present, and although only a minor component, the NCPs are thought to play an important role in modulating the mineralization process. During secondary bone formation, an interpenetrating structure is created by intrafibrillar mineralization of the collagen matrix. Many researchers have tried to develop bone-like collagen-hydroxyapatite (HA) composites via the conventional crystallization process of nucleation and growth. While those methods have been successful in inducing heterogeneous nucleation of HA on the surface of collagen scaffolds, they have failed to produce a composite with the interpenetrating nanostructured architecture of bone. Our group has shown that intrafibrillar mineralization of type I collagen can be achieved using a polymer-induced liquid-precursor (PILP) process. In this process, acidic polypeptides are included in the mineralization solution to mimic the function of the acidic NCPs, and in vitro studies have found that acidic peptides such as polyaspartate induce a liquid-phase amorphous mineral precursor. Using this PILP process, we have been able to prepare collagen-HA composites with the fundamental nanostructure of bone, wherein HA nanocrystals are embedded within the collagen fibrils. This study shows that through further optimization a very high degree of mineralization can be achieved, with compositions matching that of bone. Synthetic collagen sponges were mineralized with calcium phosphate while analyzing various parameters of the reaction, with the focus of this report on the molecular weight of the polymeric process-directing agent. In order to determine whether intrafibrillar mineralization was achieved, an in-depth characterization of the mineralized composites was performed, including wide-angle X-ray diffraction, electron microscopy and thermogravimetric analyses. The results of this work lead us closer to the development of bone-like collagen-HA composites that could become the next generation of synthetic bone grafts.
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Gower LB, Amos FF, Khan SR. Mineralogical signatures of stone formation mechanisms. ACTA ACUST UNITED AC 2010; 38:281-92. [PMID: 20625894 DOI: 10.1007/s00240-010-0288-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Accepted: 06/24/2010] [Indexed: 10/19/2022]
Abstract
The mechanisms involved in biomineralization are modulated through interactions with organic matrix. In the case of stone formation, the role of the organic macromolecules in the complex urinary environment is not clear, but the presence of mineralogical 'signatures' suggests that some aspects of stone formation may result from a non-classical crystallization process that is induced by acidic proteins. An amorphous precursor has been detected in many biologically controlled mineralization reactions, which is thought to be regulated by non-specific interactions between soluble acidic proteins and mineral ions. Using in vitro model systems, we find that a liquid-phase amorphous mineral precursor induced by acidic polypeptides can lead to crystal textures that resemble those found in Randall's plaque and kidney stones. This polymer-induced liquid-precursor process leads to agglomerates of coalesced mineral spherules, dense-packed spherulites with concentric laminations, mineral coatings and 'cements', and collagen-associated mineralization. Through the use of in vitro model systems, the mechanisms involved in the formation of these crystallographic features may be resolved, enhancing our understanding of the potential role(s) that proteins play in stone formation.
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Affiliation(s)
- Laurie B Gower
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA.
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Gong H, Pluntke M, Marti O, Walther P, Gower L, Cölfen H, Volkmer D. Multilayered CaCO3/block-copolymer materials via amorphous precursor to crystal transformation. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2009.08.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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36
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Jiang F, Yang Y, Huang L, Chen X, Shao Z. Microspheres of calcium carbonate composite regulated by sodium polyacrylates with various ways. J Appl Polym Sci 2009. [DOI: 10.1002/app.30208] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Meldrum FC, Cölfen H. Controlling mineral morphologies and structures in biological and synthetic systems. Chem Rev 2009; 108:4332-432. [PMID: 19006397 DOI: 10.1021/cr8002856] [Citation(s) in RCA: 756] [Impact Index Per Article: 50.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Fiona C Meldrum
- School of Chemistry, Cantock's Close, University of Bristol, Bristol BS8 1TS, United Kingdom.
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Wan P, Zhao Y, Tong H, Yang Z, Zhu Z, Shen X, Hu J. The inducing effect of lecithin liposome organic template on the nucleation and crystal growth of calcium carbonate. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2009. [DOI: 10.1016/j.msec.2008.06.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Mechanism of formation of concentrically laminated spherules: implication to Randall's plaque and stone formation. ACTA ACUST UNITED AC 2008; 37:11-7. [PMID: 19066874 DOI: 10.1007/s00240-008-0169-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2008] [Accepted: 11/25/2008] [Indexed: 10/21/2022]
Abstract
We report on the formation of calcium phosphate multi-laminated spherules via a polymer-induced liquid-like precursor (PILP) process. In this non-classical crystallization route, the precipitation of liquid-like amorphous calcium phosphate (ACP) particles is promoted using anionic polypeptide additives, and these droplets coalesce to form globules that later crystallize into spherulites. During crystallization of the amorphous globules, the polymer additive, as well as the waters of hydration, is excluded ahead of the crystallization front, but some polymer becomes entrapped within diffusion-limited zones. This results in the formation of concentric laminations with layers of variable density from organic-rich inclusions. The striking resemblance of these spherules with the crystals of the Randall's plaque and other laminated stones suggests that such biological structures may form via an amorphous precursor process as well. Given the organic-rich environment present in the urinary tract, one might expect a large amount of organic materials to become entrapped within the stratified zones of a forming stone during this type of solidification and transformation process.
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Gower LB. Biomimetic model systems for investigating the amorphous precursor pathway and its role in biomineralization. Chem Rev 2008; 108:4551-627. [PMID: 19006398 PMCID: PMC3652400 DOI: 10.1021/cr800443h] [Citation(s) in RCA: 612] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Laurie B Gower
- Department of Materials Science & Engineering, University of Florida, 210A Rhines Hall, Gainesville, Florida 32611, USA.
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Sommerdijk NAJM, With GD. Biomimetic CaCO3 Mineralization using Designer Molecules and Interfaces. Chem Rev 2008; 108:4499-550. [DOI: 10.1021/cr078259o] [Citation(s) in RCA: 369] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Nico A. J. M. Sommerdijk
- Soft-matter cryoTEM Research Unit and Laboratory of Materials and Interface Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Gijsbertus de With
- Soft-matter cryoTEM Research Unit and Laboratory of Materials and Interface Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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Huang SC, Naka K, Chujo Y. A carbonate controlled-addition method for amorphous calcium carbonate spheres stabilized by poly(acrylic acid)s. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2007; 23:12086-95. [PMID: 17963412 DOI: 10.1021/la701972n] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Stable amorphous calcium carbonate (ACC) composite particle with a size-controlled monodispersed sphere was obtained by a new simple carbonate controlled-addition method by using poly(acrylic acid) (PAA) (Mw = 5000), in which an aqueous ammonium carbonate solution was added into an aqueous solution of PAA and CaCl2 with a different time period. The obtained ACC composite products consist of about 50 wt % of ACC, 30 wt % of PAA, and H2O. Average particle sizes of the ACC spheres increased from (1.8 +/- 0.4) x 102 to (5.5 +/- 1.2) x 102 nm with an increase of the complexation time of the PAA-CaCl2 solution from 3 min to 24 h, respectively. The ACC formed from the complexation time for 3 min was stable for 10 days with gentle stirring as well as 3 months under a quiescent condition in the aqueous solution. Moreover, the ACC was also stable at 400 degrees C. Stability of the amorphous phase decreased with an increase of the complexation time of the PAA-CaCl2 solution. No ACC was obtained when the lower molar mass PAAs (Mw = 1200 and 2100) were used. In the higher molar mass case (Mw = 25 000), a mixture of the amorphous phase and vaterite and calcite crystalline product was produced. The present results demonstrate that the interaction and the reaction kinetics of the PAA-Ca2+-H2O complex play an important role in the mineralization of CaCO3.
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Affiliation(s)
- Shu-Chen Huang
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto, Japan
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Lam RSK, Charnock JM, Lennie A, Meldrum FC. Synthesis-dependant structural variations in amorphous calcium carbonate. CrystEngComm 2007. [DOI: 10.1039/b710895h] [Citation(s) in RCA: 145] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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