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Pandey V, Pandey T. Understanding the bio-crystallization: An insight to therapeutic relevance. Biophys Chem 2024; 308:107216. [PMID: 38479205 DOI: 10.1016/j.bpc.2024.107216] [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] [Received: 01/29/2024] [Revised: 02/29/2024] [Accepted: 03/02/2024] [Indexed: 03/25/2024]
Abstract
In the realm of biomedical engineering and materials science, the synthesis of biomaterials plays a pivotal role in advancing therapeutic strategies for regeneration of tissues. The deliberate control of crystallization processes in biomaterial synthesis has emerged as a key avenue for tailoring the properties of these materials, enabling the design of innovative solutions for a wide array of medical applications. This review delves into the interplay between controlled crystallization and biomaterial synthesis, exploring its multifaceted applications in the therapeutic domains. The investigation encompasses a wide spectrum of matrices, ranging from small molecules to large biomolecules, highlighting their unique contributions in modulating crystallization processes. Furthermore, the review critically assesses the analytical techniques and methodologies employed to probe and characterize the depths of crystallization dynamics. Advanced imaging, spectroscopic, and computational tools are discussed in the context of unraveling the intricate mechanisms governing nucleation and crystallization processes within the organic matrix. Finally we delve in the applications of such advance material in therapeutics of hard and soft tissues.
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Affiliation(s)
- Vivek Pandey
- Department of Chemistry, School for Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, India.
| | - Tejasvi Pandey
- Department of Forensic Sciences, School for Bioengineering and Biosciences Sciences, Lovely Professional University, Phagwara, Punjab, India
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Díaz-Cuenca A, Sezanova K, Gergulova R, Rabadjieva D, Ruseva K. New Nano-Crystalline Hydroxyapatite-Polycarboxy/Sulfo Betaine Hybrid Materials: Synthesis and Characterization. Molecules 2024; 29:930. [PMID: 38474442 DOI: 10.3390/molecules29050930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024] Open
Abstract
Hybrid materials based on calcium phosphates and synthetic polymers can potentially be used for caries protection due to their similarity to hard tissues in terms of composition, structure and a number of properties. This study is focused on the biomimetic synthesis of hybrid materials consisting of hydroxiapatite and the zwitterionic polymers polysulfobetaine (PSB) and polycarboxybetaine (PCB) using controlled media conditions with a constant pH of 8.0-8.2 and Ca/P = 1.67. The results show that pH control is a dominant factor in the crystal phase formation, so nano-crystalline hydroxyapatite with a Ca/P ratio of 1.63-1.71 was observed as the mineral phase in all the materials prepared. The final polymer content measured for the synthesized hybrid materials was 48-52%. The polymer type affects the final microstructure, and the mineral particle size is thinner and smaller in the synthesis performed using PCB than using PSB. The final intermolecular interaction of the nano-crystallized hydroxyapatite was demonstrated to be stronger with PCB than with PSB as shown by our IR and Raman spectroscopy analyses. The higher remineralization potential of the PCB-containing synthesized material was demonstrated by in vitro testing using artificial saliva.
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Affiliation(s)
- Aránzazu Díaz-Cuenca
- Materials Science Institute of Seville (ICMS), Joint CSIC-University of Seville Center, 41092 Seville, Spain
| | - Kostadinka Sezanova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Rumiana Gergulova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Diana Rabadjieva
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Konstans Ruseva
- Laboratory on Structure and Properties of Polymers, Faculty of Chemistry and Pharmacy, University of Sofia, 1 James Bourchier Blvd., 1164 Sofia, Bulgaria
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Indurkar A, Kudale P, Rjabovs V, Heinmaa I, Demir Ö, Kirejevs M, Rubenis K, Chaturbhuj G, Turks M, Locs J. Small organic molecules containing amorphous calcium phosphate: synthesis, characterization and transformation. Front Bioeng Biotechnol 2024; 11:1329752. [PMID: 38283170 PMCID: PMC10811600 DOI: 10.3389/fbioe.2023.1329752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 12/13/2023] [Indexed: 01/30/2024] Open
Abstract
As the primary solid phase, amorphous calcium phosphate (ACP) is a pivotal precursor in cellular biomineralization. The intrinsic interplay between ACP and Howard factor underscores the significance of understanding their association for advancing biomimetic ACP development. While organic compounds play established roles in biomineralization, this study presents the synthesis of ACP with naturally occurring organic compounds (ascorbate, glutamate, and itaconate) ubiquitously found in mitochondria and vital for bone remodeling and healing. The developed ACP with organic compounds was meticulously characterized using XRD, FTIR, and solid-state 13C and 31P NMR. The morphological analysis revealed the characteristic spherical morphology with particle size close to 20 nm of all synthesized ACP variants. Notably, the type of organic compound strongly influences true density, specific surface area, particle size, and transformation. The in vitro analysis was performed with MC3T3-E1 cells, indicating the highest cell viability with ACP_ASC (ascorbate), followed by ACP_ITA (itaconate). The lowest cell viability was observed with 10 %w/v of ACP_GLU (glutamate); however, 1 %w/v of ACP_GLU was cytocompatible. Further, the effect of small organic molecules on the transformation of ACP to low crystalline apatite (Ap) was examined in Milli-Q® water, PBS, and α-MEM.
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Affiliation(s)
- Abhishek Indurkar
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Institute of General Chemical Engineering, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, Latvia
| | - Pawan Kudale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India
| | - Vitālijs Rjabovs
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
| | - Ivo Heinmaa
- National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
| | - Öznur Demir
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Institute of General Chemical Engineering, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, Latvia
| | - Matvejs Kirejevs
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Institute of General Chemical Engineering, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
| | - Kristaps Rubenis
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Institute of General Chemical Engineering, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, Latvia
| | - Ganesh Chaturbhuj
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India
| | - Māris Turks
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
| | - Janis Locs
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Institute of General Chemical Engineering, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, Riga, Latvia
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Indurkar A, Choudhary R, Rubenis K, Nimbalkar M, Sarakovskis A, Boccaccini AR, Locs J. Amorphous Calcium Phosphate and Amorphous Calcium Phosphate Carboxylate: Synthesis and Characterization. ACS OMEGA 2023; 8:26782-26792. [PMID: 37546623 PMCID: PMC10399191 DOI: 10.1021/acsomega.3c00796] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 06/27/2023] [Indexed: 08/08/2023]
Abstract
Amorphous calcium phosphate (ACP) is the first solid phase precipitated from a supersaturated calcium phosphate solution. Naturally, ACP is formed during the initial stages of biomineralization and stabilized by an organic compound. Carboxylic groups containing organic compounds are known to regulate the nucleation and crystallization of hydroxyapatite. Therefore, from a biomimetic point of view, the synthesis of carboxylate ions containing ACP (ACPC) is valuable. Usually, ACP is synthesized with fewer steps than ACPC. The precipitation reaction of ACP is rapid and influenced by pH, temperature, precursor concentration, stirring conditions, and reaction time. Due to phosphates triprotic nature, controlling pH in a multistep approach becomes tedious. Here, we developed a new ACP and ACPC synthesis approach and thoroughly characterized the obtained materials. Results from vibration spectroscopy, nuclear magnetic resonance (NMR), X-ray photoelectron spectroscopy (XPS), true density, specific surface area, and ion release studies have shown a difference in the physiochemical properties of the ACP and ACPC. Additionally, the effect of a carboxylic ion type on the physiochemical properties of ACPC was characterized. All of the ACPs and ACPCs were synthesized in sterile conditions, and in vitro analysis was performed using MC-3T3E1 cells, revealing the cytocompatibility of the synthesized ACPs and ACPCs, of which the ACPC synthesized with citrate showed the highest cell viability.
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Affiliation(s)
- Abhishek Indurkar
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka Street 3, LV-1007 Riga, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Kipsalas Street 6A, LV-1048 Riga, Latvia
| | - Rajan Choudhary
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka Street 3, LV-1007 Riga, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Kipsalas Street 6A, LV-1048 Riga, Latvia
| | - Kristaps Rubenis
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka Street 3, LV-1007 Riga, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Kipsalas Street 6A, LV-1048 Riga, Latvia
| | | | - Anatolijs Sarakovskis
- Institute
of Solid State Physics, University of Latvia, 8 Kengaraga Str., LV-1063 Riga, Latvia
| | - Aldo R. Boccaccini
- Institute
of Biomaterials, Department of Material Science and Engineering, University of Erlangen-Nuremberg, 91085 Erlangen, Germany
| | - Janis Locs
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka Street 3, LV-1007 Riga, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Kipsalas Street 6A, LV-1048 Riga, Latvia
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