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Zhao X, Jin G, Guo D, Xiao X, Nan J, Wu C. Dissolution mechanism of Fe 3O 4 scale by 1-hydroxyethane-1,1-diphosphonic acid: an ab initio molecular metadynamics study. Phys Chem Chem Phys 2023; 25:23901-23908. [PMID: 37642508 DOI: 10.1039/d3cp01736b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Using the ab initio molecular metadynamics method, the adsorption of the structure of 1-hydroxyethane-1,1-diphosphonic acid (HEDP) on the Fe3O4 surface and subsequent detachment of Fe atoms from the surface were simulated, and the dissolution mechanism by which HEDP dissolves Fe3O4 scale at room temperature while other organic acids cannot was elucidated. The adsorbed hydroxyl groups, water and HEDP on the Fe3O4 surface play a synergistic role in detaching the Fe ions, which increases the coordination number of the Fe atoms and weakens the original Fe-O bond strength. In addition, the strong coordination ability and flexible molecular structure of HEDP also facilitate dissolution of Fe3O4 scale by breaking down the chemical bonds and forming Fe-HEDP complexes. The free energy surface for the dissolution reaction shows a low barrier, and the descaling reaction is easily accomplished.
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Affiliation(s)
- Xiaoyang Zhao
- School of Geomatic and Environmental Engineering, Henan Polytechnic Institute, Nanyang 473000, P. R. China
| | - Guo Jin
- School of Automation Engineering, Henan Polytechnic Institute, Nanyang 473000, P. R. China
| | - Ding Guo
- School of Geomatic and Environmental Engineering, Henan Polytechnic Institute, Nanyang 473000, P. R. China
| | - Xin Xiao
- School of Chemistry, South China Normal University, Guangzhou 510006, P. R. China.
| | - Junmin Nan
- School of Chemistry, South China Normal University, Guangzhou 510006, P. R. China.
| | - Chen Wu
- Department of Physics, School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China.
- College of Material Science and Engineering, Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, P. R. China
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2
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Thomas S, Rajendran AR, Subramanian B. Influence of pH in the synthesis of calcium phosphate based nanostructures with enhanced bioactivity and pro-angiogenic properties. J Biomed Mater Res B Appl Biomater 2023; 111:858-871. [PMID: 36398655 DOI: 10.1002/jbm.b.35196] [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: 07/11/2022] [Revised: 10/22/2022] [Accepted: 11/06/2022] [Indexed: 11/19/2022]
Abstract
In synthetic fabrication, the process parameters decide the growth nucleation, phase translation, and the evolution of morphological facets of nanostructured materials. This work demonstrates the formation of different crystallographic phases of calcium phosphate by the influence of pH from acidic to alkaline conditions and also investigated their bone regeneration, protein adsorption, and pro-angiogenic properties. Present results illustrate that the alteration of pH is the crucial factor for the synthesis of calcium phosphate (CP) phases. The structural analysis reveals the monetite (CaHPO4 ) phase with a triclinic crystal system for pH 5, dual-phase of monetite combined with hydroxyapatite at the neutral pH 7, and pure phase of hydroxyapatite (Ca10 [PO4 ]6 OH2 ) with hexagonal structure at pH 10. Microscopic analysis portrays the cubic and rod-like morphologies by changing the pH values. FTIR and RAMAN spectroscopic analyses confirm the stretching, bending, and vibrational modes of dominant phosphate groups of different CP phases. Further, the biocompatibility of the prepared CP phases was examined by hemolysis assay, which showed less than 2% of lysis and enhanced cell viability. Moreover, the bioactivity study revealed rapid mineralization and a higher protein adsorption rate for the monetite CP phase (M-CP). Subsequently, the chick embryo angiogenesis assay elucidated 33% higher neovascularization for M-CP compared with the other two CP phases. The fabricated M-CP nanostructure constitutes a promising candidate for biomedical applications.
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Affiliation(s)
- Shalini Thomas
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, India
| | - Ajay Rakkesh Rajendran
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, India
| | - Balakumar Subramanian
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, India
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3
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Il'in AV, Khayarov KR, Anisimova KS, Islamov DR, Kuchaev ES. Phosphine‐Catalyzed α‐ and Vicinal Bis‐Addition of P(O)H Compounds to Alkynoates. ChemistrySelect 2023. [DOI: 10.1002/slct.202204002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Anton V. Il'in
- A. M. Butlerov Institute of Chemistry Kazan Federal University 29 Kremlevskaya St. Kazan 420008 Russia
| | - Khasan R. Khayarov
- A. M. Butlerov Institute of Chemistry Kazan Federal University 29 Kremlevskaya St. Kazan 420008 Russia
| | - Kristina S. Anisimova
- A. M. Butlerov Institute of Chemistry Kazan Federal University 29 Kremlevskaya St. Kazan 420008 Russia
| | - Daut R. Islamov
- Laboratory for structural analysis of biomacromolecules Kazan Scientific Center of Russian Academy of Sciences Lobachevsky str., 2/31 Kazan 420111 Russia
| | - Evgenii S. Kuchaev
- Laboratory for structural analysis of biomacromolecules Kazan Scientific Center of Russian Academy of Sciences Lobachevsky str., 2/31 Kazan 420111 Russia
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4
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Ismail AM, Butler IS, Abou El Maaty WM, Mostafa SI. Anticancer and DNA Interaction of New Zinc(II), Palladium(II), Platinum(II) and Silver(I) Complexes Based on Indol-3-Acetic Acid; Solid and Solution Studies. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2021.1892779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Amany M. Ismail
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Ian S. Butler
- Department of Chemistry, McGill University, Montreal, QC, Canada
| | | | - Sahar I. Mostafa
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
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Chu Y, Xia M, Wang F, Yan X, Dai Y, Dong L, Zhang Y. The uptake performance and microscopic mechanism of inorganic-organic phosphorus hybrid amorphous hydroxyapatite for multiple heavy metal ions. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128384] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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Zhao X, Liu B, Li J, Nan J. Ab initio molecular dynamics simulations on the adsorption of 1-hydroxyethane-1,1-diphosphonic acid on the iron (100) surface. NEW J CHEM 2022. [DOI: 10.1039/d2nj00668e] [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
Through IRI, Bader charges and ELF analysis, an electrostatic interaction network exists between HEDP and the iron (100) surface, which is responsible for the stability of the adsorption state.
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Affiliation(s)
- Xiaoyang Zhao
- School of Geomatic and Environmental Engineering, Henan Polytechnic Institute, Nanyang 473000, P. R. China
| | - Bin Liu
- School of Electronic and Information Engineering, Henan Polytechnic Institute, Nanyang 473000, P. R. China
| | - Jianhua Li
- School of Geomatic and Environmental Engineering, Henan Polytechnic Institute, Nanyang 473000, P. R. China
| | - Junmin Nan
- School of Chemistry, South China Normal University, Guangzhou 510006, P. R. China
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El Asmy HA, Butler IS, Mostafa SI. DNA interaction and anticancer evaluation of new adenine complexes in presence of N, N-donors as secondary chelate. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.128976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Omondi RO, Bellam R, Ojwach SO, Jaganyi D, Fatokun AA. Palladium(II) complexes of tridentate bis(benzazole) ligands: Structural, substitution kinetics, DNA interactions and cytotoxicity studies. J Inorg Biochem 2020; 210:111156. [DOI: 10.1016/j.jinorgbio.2020.111156] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 06/15/2020] [Accepted: 06/21/2020] [Indexed: 01/21/2023]
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Wu L, Lu X, Morrow BR, Li F, Hong L. Synthesis and Evaluation of Chitosan‐Heparin‐Minocycline Composite Membranes for Potential Antibacterial Applications. STARCH-STARKE 2020. [DOI: 10.1002/star.201900254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Linfeng Wu
- College of DentistryUniversity of Tennessee Health Science Center Memphis TN 38163 USA
| | - Xiao Lu
- College of DentistryUniversity of Tennessee Health Science Center Memphis TN 38163 USA
- Department of PsychologyUniversity of Toronto 100 St. George Street, Sidney Smith Hall Toronto ON M5S 3G3 Canada
| | - Brian R. Morrow
- College of DentistryUniversity of Tennessee Health Science Center Memphis TN 38163 USA
| | - Feng Li
- Harrison School of PharmacyAuburn University Auburn AL 36849 USA
| | - Liang Hong
- College of DentistryUniversity of Tennessee Health Science Center Memphis TN 38163 USA
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Kozachkova O, Tsaryk N, Shtokvish O, Pekhnyo V, Trachevskii V, Rozhenko A, Dyakonenko V. Interaction between 2-pyrrolidine-1-hydroxymethane-1,1-diphosphonic acid and palladium(II) in aqueous solutions. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Cipriani M, Rostán S, León I, Li ZH, Gancheff JS, Kemmerling U, Olea Azar C, Etcheverry S, Docampo R, Gambino D, Otero L. Multi-target heteroleptic palladium bisphosphonate complexes. J Biol Inorg Chem 2020; 25:509-519. [PMID: 32232584 DOI: 10.1007/s00775-020-01779-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/16/2020] [Indexed: 12/23/2022]
Abstract
Bisphosphonates are the most commonly prescribed drugs for the treatment of osteoporosis and other bone illnesses. Some of them have also shown antiparasitic activity. In search of improving the pharmacological profile of commercial bisphosphonates, our group had previously developed first row transition metal complexes with N-containing bisphosphonates (NBPs). In this work, we extended our studies to heteroleptic palladium-NBP complexes including DNA intercalating polypyridyl co-ligands (NN) with the aim of obtaining potential multi-target species. Complexes of the formula [Pd(NBP)2(NN)]·2NaCl·xH2O with NBP = alendronate (ale) or pamidronate (pam) and NN = 1,10 phenanthroline (phen) or 2,2'-bipyridine (bpy) were synthesized and fully characterized. All the obtained compounds were much more active in vitro against T. cruzi (amastigote form) than the corresponding NBP ligands. In addition, complexes were nontoxic to mammalian cells up to 50-100 µM. Compounds with phen as ligand were 15 times more active than their bpy analogous. Related to the potential mechanism of action, all complexes were potent inhibitors of two parasitic enzymes of the isoprenoid biosynthetic pathway. No correlation between the anti-T. cruzi activity and the enzymatic inhibition results was observed. On the contrary, the high antiparasitic activity of phen-containing complexes could be related to their ability to interact with DNA in an intercalative-like mode. These rationally designed compounds are good candidates for further studies and good leaders for future drug developments. Four new palladium heteroleptic complexes with N-containing commercial bisphosphonates and DNA intercalating polypyridyl co-ligands were synthesized and fully characterized. All complexes displayed high anti-T. cruzi activity which could be related to the inhibition of the parasitic farnesyl diphosphate synthase enzyme but mainly to their ability to interact DNA.
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Affiliation(s)
- Micaella Cipriani
- Química Inorgánica, Facultad de Química, UdelaR, Montevideo, Uruguay
| | - Santiago Rostán
- Química Inorgánica, Facultad de Química, UdelaR, Montevideo, Uruguay
| | - Ignacio León
- Facultad de Ciencias Exactas, Centro de Química Inorgánica (CONICET-UNLP), Universidad Nacional de La Plata, La Plata, Argentina
| | - Zhu-Hong Li
- Center for Tropical and Emerging Global Diseases and Department of Cellular Biology, University of Georgia, Athens, USA
| | - Jorge S Gancheff
- Química Inorgánica, Facultad de Química, UdelaR, Montevideo, Uruguay
| | - Ulrike Kemmerling
- Programa de Anatomía Y Biología del Desarrollo, Facultad de Medicina, ICBM, Universidad de Chile, Santiago, Chile
| | - Claudio Olea Azar
- Departamento de Química Inorgánica Y Analítica, Facultad de Ciencias Químicas Y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Susana Etcheverry
- Facultad de Ciencias Exactas, Centro de Química Inorgánica (CONICET-UNLP), Universidad Nacional de La Plata, La Plata, Argentina
| | - Roberto Docampo
- Center for Tropical and Emerging Global Diseases and Department of Cellular Biology, University of Georgia, Athens, USA
| | - Dinorah Gambino
- Química Inorgánica, Facultad de Química, UdelaR, Montevideo, Uruguay
| | - Lucía Otero
- Química Inorgánica, Facultad de Química, UdelaR, Montevideo, Uruguay.
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Dong L, Zhu S, Xia M, Chu Y, Wang F, Lei W. Molecular dynamics simulations of the binging affinity of 1-hydroxyethane-1, 1-diphosphonic acid (HEDP) with nano-hydroxyapatite and the uptake of Cu 2+ by HEDP-HAP hybrid systems. JOURNAL OF HAZARDOUS MATERIALS 2020; 383:121206. [PMID: 31539662 DOI: 10.1016/j.jhazmat.2019.121206] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/01/2019] [Accepted: 09/10/2019] [Indexed: 06/10/2023]
Abstract
The adsorption capacities of different ratios of 1-hydroxyethylidene-1, 1-diphosphonic acid (HEDP) and nano-hydroxyapatite (HAP) hybrid systems on Cu2+ were probed. The FTIR, XRD, SEM and EDS analyses showed that HEDP with Cu2+ adsorbed on the surface of HAP and a new crystal phase appeared. The content of adsorbed Cu2+ were 4.4% and 21.8% on the surface of single HAP and HEDP-HAP-0.5 hybrid system, respectively, and later was 4.94 times that of the former. Conversely, the Ca/P (mol) ratio decreased from 1.40 to 0.61, indicating more Ca2+ were replaced by Cu2+. Meanwhile, molecular dynamics (MD) simulations results showed that HEDP and water molecules both formed ordered adsorption layer with similar concentration profiles, but the former preferred to gather on the HAP surface than the latter. The electrovalence bonds between the phosphonic acid functional groups of HEDP and Ca2+ of HAP surface played the dominant role in their adsorption. The adsorption results showed that the maximum adsorption capacity of single hydroxyapatite for Cu2+ was 40.32 mg/g, while the maximum adsorption capacities reached 99.11, 171.8 and 147.27 mg/g for HEDP-HAP-0.2, HEDP-HAP-0.5 and HEDP-HAP-1.0 hybrid systems, respectively. The study illustrated that the adsorption process accorded with the pseudo-second-order kinetic and Langmuir isotherm model.
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Affiliation(s)
- Lin Dong
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Sidi Zhu
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Mingzhu Xia
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China.
| | - Yuting Chu
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Fengyun Wang
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China.
| | - Wu Lei
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China
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Synthesis, characterization and anticancer activity of new Zn(II) and MoO22+ complexes of 2-amino-4,6-mercaptotriazine. INORG CHEM COMMUN 2019. [DOI: 10.1016/j.inoche.2019.04.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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14
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Dysz K, Malik-Gajewska M, Banach J, Morzyk-Ociepa B. Palladium(II) complexes containing seven halogeno-derivatives of 7-azaindole: molecular structures, vibrational spectra, DFT calculations and in vitro cytotoxic activity. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.01.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Wu L, Chen W, Li F, Morrow BR, Garcia-Godoy F, Hong L. Sustained Release of Minocycline From Minocycline-Calcium-Dextran Sulfate Complex Microparticles for Periodontitis Treatment. J Pharm Sci 2018; 107:3134-3142. [PMID: 30201483 DOI: 10.1016/j.xphs.2018.08.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/04/2018] [Accepted: 08/29/2018] [Indexed: 01/05/2023]
Abstract
It is important to address the periodontitis-associated bacteria in the residual subgingival plaque after scaling and root planing to successfully treat periodontitis. In this study, we explored the possibility of exploiting the ion pairing/complexation of minocycline, Ca2+, and sulfate/sulfonate-bearing biopolymers to develop an intrapocket delivery system of minocycline as an adjunct to scaling and root planing. Minocycline-calcium-dextran sulfate complex microparticles were synthesized from minocycline, CaCl2, and dextran sulfate. They were characterized using Fourier-transform infrared spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. An in vitro release study was conducted to evaluate the release kinetics of minocycline from these microparticles. Agar disk diffusion assays and biofilm-grown bacteria assays were used to assess antibacterial capability. High loading efficiency (96.98% ± 0.12%) and high loading content (44.69% ± 0.03%) for minocycline were observed for these complex microparticles. Mino-Ca-DS microparticles achieved sustained release of minocycline for at least 9 days at pH 7.4 and 18 days at pH 6.4 in phosphate-buffered saline, respectively. They also demonstrated potent antimicrobial effects against Streptococcus mutans and Aggregatibacter actinomycetemcomitans in agar disk diffusion and biofilm assays. These results suggested that the ion pairing/complexation of minocycline, Ca2+, and sulfonate/sulfate-bearing biopolymers can be exploited to develop complex microparticles as local delivery systems for periodontitis treatment.
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Affiliation(s)
- Linfeng Wu
- College of Dentistry, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Wu Chen
- Harrison School of Pharmacy, Auburn University, Auburn, Alabama 36849
| | - Feng Li
- Harrison School of Pharmacy, Auburn University, Auburn, Alabama 36849.
| | - Brian R Morrow
- College of Dentistry, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Franklin Garcia-Godoy
- College of Dentistry, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Liang Hong
- College of Dentistry, University of Tennessee Health Science Center, Memphis, Tennessee 38163.
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