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Dridi R, Abdelkafi-Koubaa Z, Srairi-Abid N, Socha B, Zid MF. One-pot synthesis, structural investigation, antitumor activity and molecular docking approach of two decavanadate compounds. J Inorg Biochem 2024; 255:112533. [PMID: 38547784 DOI: 10.1016/j.jinorgbio.2024.112533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/05/2024] [Accepted: 03/18/2024] [Indexed: 04/16/2024]
Abstract
Two bases-decavanadates coordination compounds [(C6H13N4)2][Mg(H2O)6]2[O28V10].6H2O (1) and [(C7H11N2)4][Mg(H2O)6][O28V10].4H2O (2) have been synthesized and well characterized using vibrational spectroscopy (infrared), UV-Visible analysis and single crystal X-ray diffraction technique. The formula unit, for both compounds, is composed by the decavanadate [V10O28]6-, hydrated magnesium ion, a counter anion and free water molecules. The transition metal adopts octahedral geometries in both compound (1) and (2). The existence of a multitude of hydrogen bonding interactions for both compounds provides a stable three-dimensional supramolecular structure. Optical absorption reveals a band gap energy indicating the semi-conductive nature of the compound. In this study, the cytotoxic and the anti-proliferative activities of compounds (1) and (2) on human cancer cells (U87 and MDA-MB-231) were investigated. Both compounds demonstrated dose-dependent anti-proliferative activity on U87 and MDA-MB-231 with respective IC50 values of 0.82 and 0.31 μM and 1.4 and 1.75 μM. These data provide evidence on the potential anticancer activity of [(C6H13N4)2][Mg(H2O)6]2[O28V10].6H2O and [(C7H11N2)4][Mg(H2O)2][O28V10].4H2O. Molecular docking of the compounds was also examined. Molecular docking studies were performed for both compounds against four target receptors and revealed better binding affinity with these targets in comparison to Cisplatin. Moreover, molecular docking investigations suggest that these compounds may function as potential inhibitors of proteins in brain and breast cells, exhibiting greater efficiency compared to Cisplatin.
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Affiliation(s)
- Rihab Dridi
- University of Tunis El Manar, Faculty of Sciences of Tunis, Laboratory of Materials, Crystal Chemistry and Applied Thermodynamics, 2092 El Manar II, Tunis, Tunisia.
| | - Zaineb Abdelkafi-Koubaa
- University of Tunis El Manar, Salah Azaiz Institute, LR21SP01, Laboratory of Personalized Medicine, Precision Medicine and Investigation in Oncology, Tunis 1006, Tunisia.; University of Tunis El Manar, Pasteur Institute of Tunis, LR20IPT01, Laboratory of Biomolecules, Venoms and Theranostic Applications, Tunis 1002, Tunisia
| | - Najet Srairi-Abid
- University of Tunis El Manar, Pasteur Institute of Tunis, LR20IPT01, Laboratory of Biomolecules, Venoms and Theranostic Applications, Tunis 1002, Tunisia
| | - Bhavesh Socha
- Department of Physics, Sardar Patel University, Gujarat, India
| | - Mohamed Faouzi Zid
- University of Tunis El Manar, Faculty of Sciences of Tunis, Laboratory of Materials, Crystal Chemistry and Applied Thermodynamics, 2092 El Manar II, Tunis, Tunisia
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2
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Gaikwad KB, Gattu KP, More CV, Pawar PP. Physical, structural and nuclear radiation shielding behavior of Ni-Cu-Zn Fe2O4 ferrite nanoparticles. Appl Radiat Isot 2024; 207:111244. [PMID: 38442644 DOI: 10.1016/j.apradiso.2024.111244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 02/15/2024] [Accepted: 02/19/2024] [Indexed: 03/07/2024]
Abstract
In this study, Ni-Cu-Zn Fe2O4 ferrite nanoparticles have successfully been synthesized utilizing the Co-precipitation technique. The primary objectives encompassed elucidating phase purity, discerning functional groups, scrutinizing surface morphology, and conducting structural analyses. To accomplish these objectives, a battery of advanced characterization techniques was employed, including power X-ray diffraction, Transmission infrared spectroscopy, UV-Visible spectrophotometer, and Scanning electron microscopy. Furthermore, the investigation was extended to the assessment of the gamma ray shielding properties exhibited by the synthesized Ni-Cu-Zn Fe2O4 nanoparticles, spanning an energy range from 122 keV to 1330 keV. This evaluation was carried out through the utilization of a NaI(Tl) detector coupled with a PC-based multichannel analyzer. The acquired data were meticulously compared with established theoretical value. The results of this study point to a viable route for using this simple, cost-effective, and low-temperature synthesis approach to create nanomaterials suited for gamma ray shielding applications, as well as broader radiation protection. This novel technique has the potential to significantly improve radiation shielding technology. Along with this fast neutron attenuation capability of this prepared ferrite samples have been studied in terms of fast neutron removal cross section.
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Affiliation(s)
- Kalidas B Gaikwad
- Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, MS, 431004, India
| | - Ketan P Gattu
- Department of Nanotechnology, Dr. Babasaheb Ambedkar Marathwada University Aurnagabad 431004, India
| | - Chaitali V More
- Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, MS, 431004, India.
| | - Pravina P Pawar
- Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, MS, 431004, India
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3
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Bao A, Li Q, Zhang X, Zheng M, Ding N, Chen C, Zhang Y, Zhu H. Proliferacorins A-M: Thirteen undescribed acorane sesquiterpenoids isolated from the fungus Fusarium proliferatum. Phytochemistry 2024; 221:114065. [PMID: 38521495 DOI: 10.1016/j.phytochem.2024.114065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 03/10/2024] [Accepted: 03/14/2024] [Indexed: 03/25/2024]
Abstract
In this study, 13 previously undescribed acorane sesquiterpenoids, namely, proliferacorins A-M, were isolated from the solid fermentation of Fusarium proliferatum. Their structures and absolute configurations were confirmed via spectroscopic analyses, quantum-chemical NMR calculations with DP4+ probability analyses, ECD calculations and comparisons, and single-crystal X-ray diffraction techniques. Proliferacorins A-E (1-5) have a 7-oxa-tricyclo[6.3.1.01,5]tridecane decorated with a rare ether bridge between C-7 and C-11, while proliferacorin F (6) possesses a 7-oxa-tricyclic[6.4.0.01,5]dodecane skeleton with an unusual ether bond between C-6 and C-11. Proliferacorins C and D (3 and 4) are a pair of isomers at the carbon bridge between C-5 and C-7, whereas proliferacorins H and I (8 and 9) are a pair of spiro carbon isomers. All isolates were tested for their cytotoxic, anti-inflammatory, and immunosuppressive activities.
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Affiliation(s)
- Alan Bao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Qin Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Xiaotian Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Meijia Zheng
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Nanjin Ding
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Chunmei Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China.
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China.
| | - Hucheng Zhu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China.
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4
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Yu S, Gillet JM. N-representable one-electron reduced density matrix reconstruction with frozen core electrons. Acta Crystallogr A Found Adv 2024; 80:S2053273324001645. [PMID: 38511634 DOI: 10.1107/s2053273324001645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/19/2024] [Indexed: 03/22/2024] Open
Abstract
Recent advances in quantum crystallography have shown that, beyond conventional charge density refinement, a one-electron reduced density matrix (1-RDM) satisfying N-representability conditions can be reconstructed using jointly experimental X-ray structure factors and directional Compton profiles (DCP) through semidefinite programming. So far, such reconstruction methods for 1-RDM, not constrained to idempotency, have been tested only on a toy model system (CO2). In this work, a new method is assessed on crystalline urea [CO(NH2)2] using static (0 K) and dynamic (50 K) artificial experimental data. An improved model, including symmetry constraints and frozen core-electron contribution, is introduced to better handle the increasing system complexity. Reconstructed 1-RDMs, deformation densities and DCP anisotropy are analysed, and it is demonstrated that the changes in the model significantly improve the reconstruction quality, even when there is insufficient information and data corruption. The robustness of the model and the strategy are thus shown to be well adapted to address the reconstruction problem from actual experimental scattering data.
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Affiliation(s)
- Sizhuo Yu
- CentraleSupélec, CNRS, Laboratoire SPMS, Université Paris-Saclay, F91190 Gif-sur-Yvette, France
| | - Jean Michel Gillet
- CentraleSupélec, CNRS, Laboratoire SPMS, Université Paris-Saclay, F91190 Gif-sur-Yvette, France
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Wright MA, Surta TW, Evans JA, Lim J, Jo H, Hawkins CJ, Bahri M, Daniels LM, Chen R, Zanella M, Chagas LG, Cookson J, Collier P, Cibin G, Chadwick AV, Dyer MS, Browning ND, Claridge JB, Hardwick LJ, Rosseinsky MJ. Accessing Mg-Ion Storage in V 2PS 10 via Combined Cationic-Anionic Redox with Selective Bond Cleavage. Angew Chem Int Ed Engl 2024; 63:e202400837. [PMID: 38446007 DOI: 10.1002/anie.202400837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/07/2024]
Abstract
Magnesium batteries attract interest as alternative energy-storage devices because of elemental abundance and potential for high energy density. Development is limited by the absence of suitable cathodes, associated with poor diffusion kinetics resulting from strong interactions between Mg2+ and the host structure. V2PS10 is reported as a positive electrode material for rechargeable magnesium batteries. Cyclable capacity of 100 mAh g-1 is achieved with fast Mg2+ diffusion of 7.2 × ${\times }$ 10-11-4 × ${\times }$ 10-14 cm2 s-1. The fast insertion mechanism results from combined cationic redox on the V site and anionic redox on the (S2)2- site; enabled by reversible cleavage of S-S bonds, identified by X-ray photoelectron and X-ray absorption spectroscopy. Detailed structural characterisation with maximum entropy method analysis, supported by density functional theory and projected density of states analysis, reveals that the sulphur species involved in anion redox are not connected to the transition metal centres, spatially separating the two redox processes. This facilitates fast and reversible Mg insertion in which the nature of the redox process depends on the cation insertion site, creating a synergy between the occupancy of specific Mg sites and the location of the electrons transferred.
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Affiliation(s)
- Matthew A Wright
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
- Stephenson Institute for Renewable Energy, University of Liverpool, L69 7ZF, Liverpool, UK
| | - T Wesley Surta
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Jae A Evans
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Jungwoo Lim
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
- Stephenson Institute for Renewable Energy, University of Liverpool, L69 7ZF, Liverpool, UK
| | - Hongil Jo
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Cara J Hawkins
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Mounib Bahri
- Albert Crewe Centre, University of Liverpool, Research Technology Building, Elisabeth Street, Pembroke Place, L69 3GE, Liverpool, UK
| | - Luke M Daniels
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Ruiyong Chen
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Marco Zanella
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Luciana G Chagas
- Johnson Matthey Technology Centre, Sonning Common, RG4 9NH, Reading, UK
| | - James Cookson
- Johnson Matthey Technology Centre, Sonning Common, RG4 9NH, Reading, UK
| | - Paul Collier
- Johnson Matthey Technology Centre, Sonning Common, RG4 9NH, Reading, UK
| | - Giannantonio Cibin
- Diamond Light Source, Harwell Science and Innovation Campus, OX11 0DE, Didcot, UK
| | - Alan V Chadwick
- School of Physical Sciences, University of Kent, CT2 7NH, Canterbury, UK
| | - Matthew S Dyer
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Nigel D Browning
- Albert Crewe Centre, University of Liverpool, Research Technology Building, Elisabeth Street, Pembroke Place, L69 3GE, Liverpool, UK
- School of Engineering, Department of Mechanical, Materials and Aerospace Engineering, University of Liverpool, L69 3GH, Liverpool, UK
| | - John B Claridge
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
| | - Laurence J Hardwick
- Department of Chemistry, University of Liverpool, L69 7ZD, Liverpool, UK
- Stephenson Institute for Renewable Energy, University of Liverpool, L69 7ZF, Liverpool, UK
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6
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Melcher J, Dierolf M, Günther B, Achterhold K, Pfeiffer D, Pfeiffer F. High-energy X-ray diffraction experiment employing a compact synchrotron X-ray source based on inverse Compton scattering. Z Med Phys 2024:S0939-3889(24)00029-1. [PMID: 38631968 DOI: 10.1016/j.zemedi.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/19/2024]
Abstract
X-ray diffraction (XRD) is an important material analysis technique with a widespread use of laboratory systems. These systems typically operate at low X-ray energies (from 5 keV to 22 keV) since they rely on the small bandwidth of K-lines like copper. The narrow bandwidth is essential for precise measurements of the crystal structure in these systems. Inverse Compton X-ray source (ICS) could pave the way to XRD at high X-ray energies in a laboratory setting since these sources provide brilliant energy-tunable and partially coherent X-rays. This study demonstrates high-energy XRD at an ICS with strongly absorbing mineralogical samples embedded in soft tissue. A quantitative comparison of the measured XRD patterns with calculations of their expected shapes validates the performance of ICSs for XRD. This analysis was performed for two types of kidney stones of different materials. Since these stones are not isolated in a human body, the influence of the surrounding soft tissue on the XRD pattern is investigated and a correction for this soft tissue contribution is introduced.
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Affiliation(s)
- Johannes Melcher
- Chair of Biomedical Physics, Physics Department, TUM School of Natural Sciences, Technical University of Munich, 85748 Garching, Germany; Munich Institute of Biomedical Engineering, Technical University of Munich, Boltzmannstr. 11, 85748 Garching, Germany.
| | - Martin Dierolf
- Chair of Biomedical Physics, Physics Department, TUM School of Natural Sciences, Technical University of Munich, 85748 Garching, Germany; Munich Institute of Biomedical Engineering, Technical University of Munich, Boltzmannstr. 11, 85748 Garching, Germany
| | - Benedikt Günther
- Chair of Biomedical Physics, Physics Department, TUM School of Natural Sciences, Technical University of Munich, 85748 Garching, Germany; Munich Institute of Biomedical Engineering, Technical University of Munich, Boltzmannstr. 11, 85748 Garching, Germany
| | - Klaus Achterhold
- Chair of Biomedical Physics, Physics Department, TUM School of Natural Sciences, Technical University of Munich, 85748 Garching, Germany; Munich Institute of Biomedical Engineering, Technical University of Munich, Boltzmannstr. 11, 85748 Garching, Germany
| | - Daniela Pfeiffer
- Department of Diagnostic and Interventional Radiology, TUM School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675 München, Germany
| | - Franz Pfeiffer
- Chair of Biomedical Physics, Physics Department, TUM School of Natural Sciences, Technical University of Munich, 85748 Garching, Germany; Munich Institute of Biomedical Engineering, Technical University of Munich, Boltzmannstr. 11, 85748 Garching, Germany; Department of Diagnostic and Interventional Radiology, TUM School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675 München, Germany; TUM Institute for Advanced Study, Technical University of Munich, Lichtenbergstraße 2a, 85748 Garching, Germany
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7
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Vokoun D, Lo YH, Heczko O, Samal S, Hu CT. Microstructure and Magnetic Properties of Fe67.6-Pd32-In0.4 (at.%) Shape Memory Melt-Spun Ribbons. Materials (Basel) 2024; 17:1674. [PMID: 38612186 PMCID: PMC11012876 DOI: 10.3390/ma17071674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/27/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024]
Abstract
Fe-~30 at.%Pd is a ferromagnetic shape memory alloy (SMA) with a reversible thermoelastic fcc-fct phase transformation. The advantage of adding a small amount of Indium to Fe-Pd SMAs is, among other things, the upward shift of the transformation temperatures, which allows us to maintain the material in the martensitic state (fct structure) at room temperature. In this work, we study the microstructure and the magnetic properties of nominally Fe67.6-Pd32-In0.4 (at.%) melt-spun ribbons. Energy-dispersive spectroscopy analysis showed a certain level of non-uniformity of Indium distribution in the as-spun ribbon. However, the attempt to homogenize the ribbon by annealing at 1273 K for 120 h resulted in an unfavoured structural change to bct martensite. Magneto strains induced by a 9 kOe magnetic field reached over 400 ppm for certain field orientations, which is around four times more than the magneto strains of near-binary Fe-Pd shape memory alloys.
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Affiliation(s)
- David Vokoun
- FZU—Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 00 Prague, Czech Republic; (O.H.); (S.S.)
| | - Yuan-Hung Lo
- Department of Materials Science and Engineering, National Tsing Hua University, 101, Sec. 2, Kuang-Fu Road, Hsinchu 300044, Taiwan
| | - Oleg Heczko
- FZU—Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 00 Prague, Czech Republic; (O.H.); (S.S.)
| | - Sneha Samal
- FZU—Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 00 Prague, Czech Republic; (O.H.); (S.S.)
| | - Chen-Ti Hu
- Department of Materials Science and Engineering, National Tsing Hua University, 101, Sec. 2, Kuang-Fu Road, Hsinchu 300044, Taiwan
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8
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Kolařík V, Rissanen K, Ward JS. Fluoro and Trifluoromethyl Benzoyl Hypoiodite Complexes with Substituted Pyridines. Chem Asian J 2024:e202400349. [PMID: 38578048 DOI: 10.1002/asia.202400349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/05/2024] [Indexed: 04/06/2024]
Abstract
Based on the prior observation of the trifluoroacetate hypoiodite, CF3C(O)OI, demonstrating the largest σ-hole of a neutral halogen bond donor, a series of mono- and bis-carbonyl hypoiodites utilising trifluoromethyl or fluorine substituents at various positions of a parent benzoyl skeleton have been synthesised. The carbonyl hypoiodite complexes were prepared via cation exchange of the silver(I) cations with iodine(I) from the respective silver(I) carboxylates and dicarboxylates as the synthetic precursors. A range of pyridinic Lewis bases of varying nucleophilicities were used to stabilise the carbonyl hypoiodites to further probe their properties. The silver(I) intermediates with these Lewis bases were also isolated for silver(I) pentafluorobenzoate, providing additional insight into the cation exchange reaction. All complexes were characterised both in solution (1H, 1H-15N HMBC, 19F) and in the solid state (SCXRD), permitting insights into the formation of the elusive pyridine-iodine(I) cation.
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Affiliation(s)
- Václav Kolařík
- Tomas Bata University in Zlin, Department of Chemistry, Department of Chemistry, Faculty of Technology, Tomas Bata University in Zlín, Vavrečkova 5669, 760 01, Zlín, CZECH REPUBLIC
| | - Kari Rissanen
- University of Jyvaskyla, Department of Chemistry, University of Jyvaskyla, Department of Chemistry, 40014, Jyväskylä, FINLAND
| | - Jas S Ward
- University of Jyväskylä: Jyvaskylan Yliopisto, Chemistry, Department of Chemistry, University of Jyvaskyla, 40014, Jyvaskyla, FINLAND
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Costantino C, Monico L, Rosi F, Vivani R, Romani A, Colocho Hurtarte LC, Villalobos-Portillo E, Sahle CJ, Huthwelker T, Dejoie C, Burghammer M, Cotte M. Non-Destructive and Non-Invasive Approaches for the Identification of Hydroxy Lead-Calcium Phosphate Solid Solutions ((Pb xCa 1-x) 5(PO 4) 3OH) in Cultural Heritage Materials. Appl Spectrosc 2024:37028241243375. [PMID: 38567433 DOI: 10.1177/00037028241243375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Lead-calcium phosphates are unusual compounds sometimes found in different kinds of cultural heritage objects. Structural and physicochemical properties of this family of materials, which fall into the hydroxypyromorphite-hydroxyapatite solid solution, or (PbxCa1-x)5(PO4)3OH, have received considerable attention during the last few decades for promising applications in different fields of environmental and material sciences, but their diagnostic implications in the cultural heritage context have been poorly explored. This paper aims to provide a clearer understanding of the relationship between compositional and structural properties of the peculiar series of (PbxCa1-x)5(PO4)3OH solid solutions and to determine key markers for their proper non-destructive and non-invasive identification in cultural heritage samples and objects. For this purpose, a systematic study of powders and paint mock-ups made up of commercial and in-house synthesized (PbxCa1-x)5(PO4)3OH compounds with a different Pb2+/Ca2+ ratio was carried out via a multi-technique approach based on scanning electron microscopy, synchrotron radiation-based X-ray techniques, i.e., X-ray powder diffraction and X-ray absorption near edge structure spectroscopy at the Ca K- and P K-edges, and vibrational spectroscopy methods, i.e., micro-Raman and Fourier transform infrared spectroscopy. The spectral modifications observed in the hydroxypyromorphite-hydroxyapatite solid solution series are discussed, by assessing the advantages and disadvantages of the proposed techniques and by providing reference data and optimized approaches for future non-destructive and non-invasive applications to study cultural heritage objects and samples.
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Affiliation(s)
- Claudio Costantino
- Centre of Excellence SMAArt and Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
- CNR-SCITEC, c/o Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Letizia Monico
- Centre of Excellence SMAArt and Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
- CNR-SCITEC, c/o Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
- AXIS Research Group, NANOlab Centre of Excellence, Department of Physics, University of Antwerp, Antwerp, Belgium
| | - Francesca Rosi
- CNR-SCITEC, c/o Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Riccardo Vivani
- Pharmaceutical Science Department, University of Perugia, Perugia, Italy
| | - Aldo Romani
- Centre of Excellence SMAArt and Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
- CNR-SCITEC, c/o Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | | | | | | | - Thomas Huthwelker
- Swiss Light Source, Paul Scherrer Institut, Villigen PSI, Switzerland
| | | | | | - Marine Cotte
- European Synchrotron Radiation Facility, Grenoble, France
- Sorbonne Université, CNRS, Laboratoire d'archéologie moléculaire et structurale, LAMS, UMR 8220, Paris, France
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10
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Meurer F, Kleemiss F, Riesinger C, Balázs G, Vuković V, Shenderovich IG, Jelsch C, Bodensteiner M. Probing the Isolobal Relation between Cp'''NiP 3 and White Phosphorus by Experimental Charge Density Analysis. Chemistry 2024; 30:e202303762. [PMID: 38277228 DOI: 10.1002/chem.202303762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/20/2023] [Accepted: 01/26/2024] [Indexed: 01/28/2024]
Abstract
An in-depth analysis of the description of bonding within Cp'''Ni-cyclo-P3 (Cp'''=1,2,4-tri-tert-butylcyclopentadienyl, [Ni]P3) employing X-ray diffraction based multipolar modeling, density functional theory (DFT) as well as an "experimental wavefunction" obtained from X-ray restrained wavefunction (XRW) fitting is presented. The results are compared to DFT calculations on white phosphorus - an isolobal analogue to [Ni]P3. A complementary bonding analysis shows insights into the reactivity of [Ni]P3. The isolobal principle is reflected in every aspect of our analysis and the employed methods seamlessly predict the differences in reactivity of [Ni]P3 and P4. Crystallographic modeling, solid-state NMR, and DFT calculations describe the dynamic behavior of the cyclo-P3 unit in the title molecule.
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Affiliation(s)
- Florian Meurer
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
| | - Florian Kleemiss
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
- Institute for Inorganic Chemistry, RWTH Aachen, Landoltweg 1a, 52074, Aachen, Germany
| | - Christoph Riesinger
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
| | - Gábor Balázs
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
| | - Vedran Vuković
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
- Cristallographie, Résonance Magnétique et Modélisations CNRS, UMR 7036, Institut Jean Barriol, CNRS, Université de Lorraine BP 70239, F54506, Vandoeuvre-lès-Nancy CEDEX, France
| | - Ilya G Shenderovich
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
| | - Christian Jelsch
- Cristallographie, Résonance Magnétique et Modélisations CNRS, UMR 7036, Institut Jean Barriol, CNRS, Université de Lorraine BP 70239, F54506, Vandoeuvre-lès-Nancy CEDEX, France
| | - Michael Bodensteiner
- Faculty for Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
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11
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Ji Q, Liu Y, Chen C, Zhang H, Wang J, Mei K. Expression, purification, characterization and crystallization of Panax quinquefolius ginsenoside glycosyltransferase Pq3-O-UGT2. Protein Expr Purif 2024; 216:106430. [PMID: 38184160 DOI: 10.1016/j.pep.2024.106430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/01/2024] [Accepted: 01/03/2024] [Indexed: 01/08/2024]
Abstract
Pq3-O-UGT2, derived from Panax quinquefolius, functions as a ginsenoside glucosyltransferase, utilizing UDP-glucose (UDPG) as the sugar donor to catalyze the glycosylation of Rh2 and F2. An essential step in comprehending its catalytic mechanism involves structural analysis. In preparation for structural analysis, we expressed Pq3-O-UGT2 in the Escherichia coli (E. coli) strain Rosetta (DE3). The recombinant Pq3-O-UGT2 was purified through Ni-NTA affinity purification, a two-step ion exchange chromatography, and subsequently size-exclusion chromatography (SEC). Notably, the purified Pq3-O-UGT2 showed substantial activity toward Rh2 and F2, catalyzing the formation of Rg3 and Rd, respectively. This activity was discernible within a pH range of 4.0-9.0 and temperature range of 30-55 °C, with optimal conditions observed at pH 7.0-8.0 and 37 °C. The catalytic efficiency of Pq3-O-UGT2 toward Rh2 and F2 was 31.43 s-1 mΜ-1 and 169.31 s-1 mΜ-1, respectively. We further crystalized Pq3-O-UGT2 in both its apo form and co-crystalized forms with UDPG, Rh2 and F2, respectively. High-quality crystals were obtained and X-ray diffraction data was collected for all co-crystalized samples. Analysis of the diffraction data revealed that the crystal of Pq3-O-UGT2 co-crystalized with UDP-Glc belonged to space group P1, while the other two crystals belonged to space group P212121. Together, this study has laid a robust foundation for subsequent structural analysis of Pq3-O-UGT2.
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Affiliation(s)
- Qiushuang Ji
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
| | - Yirong Liu
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
| | - Cheng Chen
- School of Life Sciences, Tianjin University, Tianjin, 300072, China.
| | - Huanyu Zhang
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
| | - Juan Wang
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
| | - Kunrong Mei
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
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Rusanov EB, Wörle MD, Kovalenko MV, Domasevitch KV, Rusanova JA. Attractive and repulsive forces in a crystal of [Rb(18-crown-6)][SbCl 6] under high pressure. Acta Crystallogr B Struct Sci Cryst Eng Mater 2024; 80:135-145. [PMID: 38512404 PMCID: PMC10994168 DOI: 10.1107/s2052520624001586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/17/2024] [Indexed: 03/23/2024]
Abstract
The compression behavior of [Rb(18-crown-6)][SbCl6] crystal under pressure up to 2.16 (3) GPa was investigated in a diamond anvil cell (DAC) using a mixture of pentane-isopentane (1:4) as the pressure-transmitting fluid. The compound crystallizes in trigonal space group R3 and no phase transition was observed in the indicated pressure range. The low value of pressure bulk modulus [9.1 (5) GPa] found in this crystal is a characteristic of soft materials with predominant dispersive and electrostatic interaction forces. The nonlinear relationship between unit-cell parameters under high pressure is attributed to the influence of reduced intermolecular H...Cl contacts under pressure over 0.73 GPa. It also explains the high compression efficiency of [Rb(18-crown-6)][SbCl6] crystals at relatively low pressures, resulting in a significant shift of the Rb atom to the center of the crown ether cavity. At pressures above 0.9 GPa, steric repulsion forces begin to play a remarkable role, since an increasing number of interatomic H...Cl and H...H contacts become shorter than the sum of their van der Waals (vdW) radii. Below 0.9 GPa, both unit-cell parameter dependences (P-a and P-c) exhibit hysteresis upon pressure release, demonstrating their influence on the disordered model of Rb atoms. The void reduction under pressure also demonstrates two linear sections with the inflection point at 0.9 GPa. Compression of the crystal is accompanied by a significant decrease in the volume of the voids, leading to the rapid approach of Rb atoms to the center of the crown ether cavity. For the Rb atom to penetrate into the center of the crown ether cavity in [Rb(18-crown-6)][SbCl6], it is necessary to apply a pressure of about 2.5 GPa to disrupt the balance of atomic forces in the crystal. This sample serves as a compression model demonstrating the influence of both attractive and repulsive forces on the change in unit-cell parameters under pressure.
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Affiliation(s)
- Eduard B. Rusanov
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, Zürich, 8093, Switzerland
- Department of Physicochemical Investigation, Institute of Organic Chemistry at National Academy of Sciences of Ukraine, 5 Akademik Kukhar Str., Kyiv, 02660, Ukraine
| | - Michael D. Wörle
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, Zürich, 8093, Switzerland
| | - Maksym V. Kovalenko
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, Zürich, 8093, Switzerland
| | - Kostiantyn V. Domasevitch
- Inorganic Chemistry Department, Taras Shevchenko National University of Kyiv, 12, Lva Tolstogo Str., Kyiv, 01601, Ukraine
| | - Julia A. Rusanova
- Inorganic Chemistry Department, Taras Shevchenko National University of Kyiv, 12, Lva Tolstogo Str., Kyiv, 01601, Ukraine
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13
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Konovalov O, Rein V, Saedi M, Groot IMN, Renaud G, Jankowski M. Tripling of the scattering vector range of X-ray reflectivity on liquid surfaces using a double-crystal deflector. J Appl Crystallogr 2024; 57:258-265. [PMID: 38596733 PMCID: PMC11001415 DOI: 10.1107/s1600576724000657] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 01/18/2024] [Indexed: 04/11/2024] Open
Abstract
The maximum range of perpendicular momentum transfer (q z) has been tripled for X-ray scattering from liquid surfaces when using a double-crystal deflector setup to tilt the incident X-ray beam. This is achieved by employing a higher-energy X-ray beam to access Miller indices of reflecting crystal atomic planes that are three times higher than usual. The deviation from the exact Bragg angle condition induced by misalignment between the X-ray beam axis and the main rotation axis of the double-crystal deflector is calculated, and a fast and straightforward procedure to align them is deduced. An experimental method of measuring scattering intensity along the q z direction on liquid surfaces up to q z = 7 Å-1 is presented, with liquid copper serving as a reference system for benchmarking purposes.
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Affiliation(s)
- Oleg Konovalov
- European Synchrotron Radiation Facility–ESRF, 71 Avenue des Martyrs, CS 40220, 38043 Grenoble Cedex 9, France
| | - Valentina Rein
- European Synchrotron Radiation Facility–ESRF, 71 Avenue des Martyrs, CS 40220, 38043 Grenoble Cedex 9, France
- Univ. Grenoble Alpes, CEA, IRIG/MEM/NR, 38000 Grenoble, France
| | - Mehdi Saedi
- Physics Department, Shahid Beheshti University, 1983969411 Tehran, Iran
| | - Irene M. N. Groot
- Leiden Institute of Chemistry, Leiden University, PO Box 9502, 2300 RA Leiden, The Netherlands
| | - Gilles Renaud
- Univ. Grenoble Alpes, CEA, IRIG/MEM/NR, 38000 Grenoble, France
| | - Maciej Jankowski
- European Synchrotron Radiation Facility–ESRF, 71 Avenue des Martyrs, CS 40220, 38043 Grenoble Cedex 9, France
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Yadav M, Maurya AK, Behera K, Chiu FC, Rhee KY. Physical properties of cellulose nanocrystal/magnesium oxide/chitosan transparent composite films for packaging applications. Int J Biol Macromol 2024; 264:130560. [PMID: 38431019 DOI: 10.1016/j.ijbiomac.2024.130560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/24/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
Hitherto unreported hybrid nanofillers (CNC:MgO) reinforced chitosan (CTS) based composite (CNC:MgO)/CTS films were synthesized using a solution-casting blend technique and synergistic effect of hybrid nanofiller in terms of properties enhancement were investigated. Optical microscopy, transmission electron microscopy (TEM), X-ray diffraction (XRD) technique, fourier-transform infrared spectroscopy (FTIR), and field emission scanning electron microscopy (FESEM) were used to characterize the films. The hybrid nanofiller considerably changed the transparency and color of the CTS films. The tensile strengths of (3 wt%) CNC/CTS, (3 wt%) MgO/CTS, (1:1)(CNC:MgO)/CTS, (1:2)(CNC:MgO)/CTS and (2:1)(CNC:MgO)/CTS films were 27.49 %, 35.60 %, 91.62 %, 38.22 %, and 29.32 % higher than pristine CTS films respectively, while the water vapor permeation were 28.21 %, 30.77 %, 34.62 %, 38.46 %, and 37.44 % lower than pristine CTS film, respectively. Moreover, the CTS composite films exhibited an improvement in overall water barrier properties after incorporating hybrid nanofillers. Our observations suggest that chitosan-based hybrid nanofiller composite films are a good replacement for plastic-based packaging materials within the food industry.
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Affiliation(s)
- Mithilesh Yadav
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 333, Taiwan; Department of Chemistry, Prof. Rajendra Singh (Rajju Bhaiya) institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur, U.P. 222003, India.
| | - Anil Kumar Maurya
- Department of Chemistry, Prof. Rajendra Singh (Rajju Bhaiya) institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur, U.P. 222003, India
| | - Kartik Behera
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 333, Taiwan
| | - Fang-Chyou Chiu
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 333, Taiwan; Department of General Dentistry, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
| | - K Y Rhee
- Department of Mechanical Engineering, College of Engineering, Kyung Hee University, 446-701 Yongin, Republic of Korea.
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Liang Y, Zhao H, Wang Q, Chen X, Li Q, Sun W, Chen C, Zhu H, Zhang Y. Penigrines A-E: Five undescribed azepine-indole alkaloids from Penicillium griseofulvum. Phytochemistry 2024; 220:114012. [PMID: 38311151 DOI: 10.1016/j.phytochem.2024.114012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/30/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
Penigrines A-E (1-5), five undescribed azepine-indole alkaloids, were isolated from the fungus Penicillium griseofulvum. Their structures with absolute configurations were determined by NMR, HRESIMS, ECD calculation, and X-ray diffraction experiments. Penigrine C (3) possesses an undescribed 6-oxa-8-azabicyclo[3.2.2]nonane-7,9-dione moiety that fused to an indole core, and penigrines D and E (4 and 5) are a pair of epimers. The plausible biosynthetic pathways of 1-5 are proposed. Penigrine A (1) shows the potential for heart failure treatment.
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Affiliation(s)
- Yu Liang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Huimin Zhao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Qiwei Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Xuanni Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Qin Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Weiguang Sun
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Chunmei Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China.
| | - Hucheng Zhu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China.
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China.
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Bryant SJ, Garvey CJ, Darwish TA, Georgii R, Bryant G. Molecular interactions with bilayer membrane stacks using neutron and X-ray diffraction. Adv Colloid Interface Sci 2024; 326:103134. [PMID: 38518550 DOI: 10.1016/j.cis.2024.103134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 03/24/2024]
Abstract
Lamellar unit cell reconstruction from neutron and X-ray diffraction data provides information about the disposition and position of molecules and molecular segments with respect to the bilayer. When supplemented with the judicious use of molecular deuteration, the technique probes the molecular interactions and conformations within the bilayer membrane and the water layer which constitute the crystallographic unit cell. The perspective is model independent, and potentially, with a higher degree of resolution than is available with other techniques. In the case of neutron diffraction the measurement consists of carefully normalised diffracted intensity under conditions of contrast variation of the water layer. The subsequent Fourier reconstruction of the unit cell is made using the phase information from variation of peak intensities with contrast. Although the phase problem is not as easily solved for the corresponding X-ray measurements, an intuitive approach can often suffice. Here we discuss the two complimentary techniques as probes of scattering length density profiles of a bilayer, and how such a perspective provides information about the location and orientation of molecules within or between lipid bilayers. Within the basic paradigm of lamellar phases this method has provided, for example, detailed insights into the location and interaction of cryoprotectants and stress proteins, of the mechanisms of actions of viral proteins, antimicrobial compounds and drugs, and the underlying structure of the stratum corneum. In this paper we review these techniques and provide examples of the systems that have been examined. We finish with a future outlook on the use of these techniques to improve our understanding of the interactions of membranes with biomolecules.
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Affiliation(s)
- Saffron J Bryant
- School of Science, College of STEM, RMIT University, Melbourne, Australia
| | - Christopher J Garvey
- Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Lichtenbergstraße 1, 85748 Garching, Germany
| | - Tamim A Darwish
- National Deuteration Facility, Australian Nuclear Science and Technology Organization, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia; Faculty of Science and Technology, University of Canberra, ACT 2617, Australia
| | - Robert Georgii
- Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Lichtenbergstraße 1, 85748 Garching, Germany
| | - Gary Bryant
- School of Science, College of STEM, RMIT University, Melbourne, Australia.
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17
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Gude Z, Kapadia AJ, Greenberg JA. Resolution analysis of a volumetric coded aperture X-ray diffraction imaging system. J Xray Sci Technol 2024:XST230244. [PMID: 38578873 DOI: 10.3233/xst-230244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
BACKGROUND A coded aperture X-ray diffraction (XRD) imaging system can measure the X-ray diffraction form factor from an object in three dimensions -X, Y and Z (depth), broadening the potential application of this technology. However, to optimize XRD systems for specific applications, it is critical to understand how to predict and quantify system performance for each use case. OBJECTIVE The purpose of this work is to present and validate 3D spatial resolution models for XRD imaging systems with a detector-side coded aperture. METHODS A fan beam coded aperture XRD system was used to scan 3D printed resolution phantoms placed at various locations throughout the system's field of view. The multiplexed scatter data were reconstructed using a model-based iterative reconstruction algorithm, and the resulting volumetric images were evaluated using multiple resolution criteria to compare against the known phantom resolution. We considered the full width at half max and Sparrow criterion as measures of the resolution and compared our results against analytical resolution models from the literature as well as a new theory for predicting the system resolution based on geometric arguments. RESULTS We show that our experimental measurements are bounded by the multitude of theoretical resolution predictions, which accurately predict the observed trends and order of magnitude of the spatial and form factor resolutions. However, we find that the expected and observed resolution can vary by approximately a factor of two depending on the choice of metric and model considered. We observe depth resolutions of 7-16 mm and transverse resolutions of 0.6-2 mm for objects throughout the field of view. Furthermore, we observe tradeoffs between the spatial resolution and XRD form factor resolution as a function of sample location. CONCLUSION The theories evaluated in this study provide a useful framework for estimating the 3D spatial resolution of a detector side coded aperture XRD imaging system. The assumptions and simplifications required by these theories can impact the overall accuracy of describing a particular system, but they also can add to the generalizability of their predictions. Furthermore, understanding the implications of the assumptions behind each theory can help predict performance, as shown by our data's placement between the conservative and idealized theories, and better guide future systems for optimized designs.
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Affiliation(s)
- Zachary Gude
- Duke University Medical Physics Program, Duke University, Durham, NC, USA
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Katada H, Inokoshi M, Kamijo S, Liu H, Xu K, Kawashita M, Yokoi T, Shimabukuro M, Minakuchi S. Effects of multiple firings on the translucency, crystalline phase, and mechanical strength of highly translucent zirconia. Dent Mater J 2024; 43:294-302. [PMID: 38432949 DOI: 10.4012/dmj.2023-255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
This study aimed to clarify the effects of multiple firings on the translucency, crystal structure, and mechanical strength of highly translucent zirconia. Four types of highly translucent zirconia (LAVA Esthetic, LAVA Plus, KATANA Zirconia STML, and KATANA Zirconia HTML) were fired three times at three different temperatures, and the translucency, crystal structure, and flexural strength were evaluated before and after firing. The translucency was statistically compared using repeated-measures analysis of variance; the zirconia phase composition was assessed using X-ray diffraction followed by Rietveld analysis; and the biaxial flexural strength was assessed using Weibull analysis. The translucency of LAVA Esthetic and KATANA Zirconia HTML decreased significantly after firing, and the crystal composition of LAVA Plus and KATANA Zirconia HTML changed after multiple firings, whereas multiple firings did not affect the biaxial flexural strength of any samples. Thus, multiple firings may affect the optical properties of highly translucent zirconia.
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Affiliation(s)
- Haruko Katada
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
| | - Masanao Inokoshi
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
| | - Singo Kamijo
- Basic Oral Health Engineering, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
| | - Hengyi Liu
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
| | - Kaiqi Xu
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
| | - Masakazu Kawashita
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Taishi Yokoi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Masaya Shimabukuro
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
| | - Shunsuke Minakuchi
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
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Onuma H, Inokoshi M, Xu K, Minakuchi S. Fracture strength of porcelain veneer on surface-treated zirconia. Dent Mater J 2024; 43:263-268. [PMID: 38382941 DOI: 10.4012/dmj.2023-139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
In this study, we investigated the effects of surface treatment on the fracture strength of porcelain-veneered zirconia. Highly translucent 4 mol% yttria-stabilized zirconia disks (KATANA HT, Kuraray Noritake Dental) were divided into three surface-treatment groups: 1)as-sintered, 2) alumina sandblasted, and 3) ground. Crystallographic and surface-roughness analyses were conducted for each group. Veneering ceramics (Cerabien ZR, Kuraray Noritake Dental) were applied to the zirconia surfaces. The fracture strengths of the porcelain-veneered zirconia disks were measured using biaxial flexural-strength tests. Crystallographic analysis revealed that grinding and sandblasting increased the fractions of the monoclinic and rhombohedral zirconia phases. The ground specimens had a higher surface roughness than the sandblasted specimens. Weibull analysis showed no significant differences in biaxial flexural strength among the three groups. The results suggest that these surface treatments do not affect the fracture strength of porcelain-veneered zirconia.
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Affiliation(s)
- Hiraku Onuma
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
- Department of Prosthodontics, Texas A&M University College of Dentistry
| | - Masanao Inokoshi
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Kaiqi Xu
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
| | - Shunsuke Minakuchi
- Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
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Goerigk FC, Locke RJC, Schleid T. Synthesis under high pressure: crystal structure and properties of cubic Dy 36O 11F 50[AsO 3] 12 ∙ H 2O. Front Chem 2024; 12:1354690. [PMID: 38595703 PMCID: PMC11002080 DOI: 10.3389/fchem.2024.1354690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 01/29/2024] [Indexed: 04/11/2024] Open
Abstract
The multi-anionic compound with the composition Dy36O11F50[AsO3]12 ∙ H2O, which can be described in the non-centrosymmetric cubic space group F 4 ¯ 3 c, already shows an unusually large unit cell with an axis of a = 2587.59(14) pm. Its crystal structure exhibits isolated ψ1-tetrahedral [AsO3]3- anions, but both the coordination numbers and the linking schemes of the Dy3+-centered polyhedra differ significantly from the mostly layered structures described so far in literature. (Dy1)3+ is sevenfold coordinated by oxygen atoms and F- anions, forming a capped trigonal prism [(Dy1)O4.333F2.667]8.333-, and the remaining two cations (Dy2)3+ and (Dy3)3+ both reside in an eightfold coordination of anions. In both cases they form slightly distorted square antiprisms, which have the compositions of [(Dy2)O3.667F4.333]8.667- and [(Dy3)O4.667F3.333]9.667-, respectively. Some of the oxygen atoms are not part of ψ1-[AsO3]3- tetrahedra, but occur as O2- anions and one of these even shares a common crystallographic position with fluoride (F-). It is also worth mentioning that the single crystals were obtained as comparatively large cubes with an edge length of several 100 µm providing very good data with regard to single-crystal X-ray diffraction. To verify the simultaneous presence of oxygen and fluorine, electron-beam microprobe analysis was carried out, and a single-crystal Raman spectrum ruled out the presence of hydroxide anions or protonated [AsO3]3- groups, but proved the interstitial crystal-water molecules, which could not be determined precisely by the crystal-structure refinement.
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Affiliation(s)
| | | | - Thomas Schleid
- Faculty of Chemistry, Institute for Inorganic Chemistry, University of Stuttgart, Stuttgart, Germany
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Gangwar K, Ramulu M. Residual Stress Measurement Using X-ray Diffraction in Friction Stir-Welded Dissimilar Titanium Alloys. Materials (Basel) 2024; 17:1482. [PMID: 38611997 PMCID: PMC11012552 DOI: 10.3390/ma17071482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024]
Abstract
Surface residual stresses in welded specimens significantly influence properties such as fatigue resistance, fracture toughness, and the superplasticity of joints. In this study, we employed friction stir welding, a well-established joining method, to weld dissimilar titanium alloys. By combining two distinct titanium alloys, we aimed to harness their unique properties when subjected to cyclic loading, impact, or superplastic forming processes. Utilizing X-ray diffraction, macroscopic surface stresses were assessed in dissimilar titanium alloys (Ti-6242 standard grain (SG) and Ti-54M) welded via friction stir welding, assuming a linear lattice distortion. The study accounted for misalignment, significant distortion, and grain refinement in the stir zone. Macroscopic surface residual stresses were quantified on the weld surface and at a depth of 1.5 mm beneath it within a square cross-section (1 × 1 mm2) by oscillating the specimen in the (X-Y) direction. The sin2φ method, implemented through the LEPTOS® (v7.8) software, was employed for residual stress measurement. The analysis of the results was conducted with respect to different rotation and traverse speeds. It was noted that at the center (CEN) of the weld, commonly referred to as the weld nugget, approximately 50 MPa of tensile stress was observed under the lowest values of both tool rotation speed and traverse speed. Tensile residual stresses were evident at the boundaries and within the stir zone. No discernible pattern was observed at the specified locations. Notably, the resultant values of residual stress, influenced by rotation and traverse speeds, exhibited asymmetry.
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Affiliation(s)
- Kapil Gangwar
- Mechanical Engineering, School of Engineering, Wentworth Institute of Technology, Boston, MA 02115, USA
| | - M. Ramulu
- Department of Mechanical Engineering, University of Washington, Seattle, WA 98115, USA
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22
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Kleinheider J, Schrimpf T, Scheel R, Mairath T, Hermann A, Knepper K, Strohmann C. Tuning Reactivities of tert-Butyllithium by the Addition of Stoichiometric Amounts of Tetrahydrofuran. Chemistry 2024; 30:e202304226. [PMID: 38189898 DOI: 10.1002/chem.202304226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 01/09/2024]
Abstract
In alkyllithium chemistry the highest reactivity has historically been linked to the smallest degree of aggregation possible. Since tert-butyllithium is known to form a monomer in tetrahydrofuran solution, using just stoichiometric amounts of the lewis base to selectively form a dimeric species seemed irrational. In this study, we showed a considerable increase of the reactivity of t-BuLi when using stoichiometric amounts of THF in the non-polar solvent n-pentane in order to enable the deprotonation of simple methyl silanes and other low C-H-acidic substrates. In this context, we were able to obtain the corresponding aggregates of t-BuLi with the ligand THF in suspension and as crystalline solids and investigate them by single crystal X-ray structural analysis, in situ FTIR spectroscopy and quantum chemical calculations. Furthermore, we were able to explain the enhanced reactivity of t-BuLi with stoichiometric amounts of THF on the basis of structural features of the bridged dimer obtained under these conditions. With these findings, we present a new target in the aggregation of alkyllithium reagents: the selectively formed "frustrated" aggregates!
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Affiliation(s)
- Johannes Kleinheider
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Tobias Schrimpf
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Rebecca Scheel
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Tristan Mairath
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Andreas Hermann
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Kathrin Knepper
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
| | - Carsten Strohmann
- Inorganic Chemistry, TU Dortmund University, Otto-Hahn-Str. 6, 44227, Dortmund, Germany
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Endrass S, Klapötke T, Lommel M, Stierstorfer J, Weidemann M, Werner M. 1- and 2-Tetrazolylacetonitrile as Versatile Ligands for Laser Ignitable Energetic Coordination Compounds. Chempluschem 2024:e202400031. [PMID: 38436519 DOI: 10.1002/cplu.202400031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 01/30/2024] [Accepted: 03/04/2024] [Indexed: 03/05/2024]
Abstract
1- and 2-Tetrazolylacetonitrile (1- and 2-TAN) have been synthesized by the reaction of chloroacetonitrile with 1H-Tetrazole under basic conditions. They further were reacted with sodium azide in the presence of zinc(II) chloride to form 5-((1H-tetrazol-1-yl)methyl)-1H-tetrazole (1-HTMT) and 5-((2H-tetrazol-2-yl)methyl)-1H-tetrazole (2-HTMT). The nitrogen-rich compounds have been applied as ligands for Energetic Coordination Compounds (ECCs) and show interesting coordinative behavior due to different bridging modes. The structural variability of the compounds has been proved by low-temperature X-ray analysis. The ECCs were analyzed for their sensitivities to provide information about the safety of handling and their capability to serve as primary explosives in detonator setups to replace the commonly used lead styphnate and azide. All colored ECCs were evaluated for their ignitability by a laser diode in translucent polycarbonate primer caps. In addition, the spin-crossover characteristics of [Fe(1-TAN)6](ClO4)2 were highlighted by the measurement of the temperature-dependent susceptibility curve.
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Affiliation(s)
- Simon Endrass
- LMU Munich, Chemistry, Butenandtstr. 5-13, 81377, München, GERMANY
| | - Thomas Klapötke
- LMU Munich, Chemistry, Butenandtstr. 5-13, 81377, München, GERMANY
| | - Marcus Lommel
- LMU Munich, Chemistry, Butenandtstr. 5-13, München, 81377, München, GERMANY
| | - Joerg Stierstorfer
- Ludwig Maximilians Universität München, Chemistry and Biochemistry, Butenandtstr. 5-13, Haus D, 81377, München, GERMANY
| | - Martin Weidemann
- LMU Munich, Chemistry, Butenandtstr. 5-13, 81377, München, GERMANY
| | - Melanie Werner
- LMU Munich, Chemistry, Butenandtstr. 5-13, 81377, München, GERMANY
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24
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Salliot F, Borbély A, Sornin D, Logé R, Spartacus G, Leguy H, Baudin T, de Carlan Y. Dislocation Hardening in a New Manufacturing Route of Ferritic Oxide Dispersion-Strengthened Fe-14Cr Cladding Tube. Materials (Basel) 2024; 17:1146. [PMID: 38473616 DOI: 10.3390/ma17051146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024]
Abstract
The microstructure evolution associated with the cold forming sequence of an Fe-14Cr-1W-0.3Ti-0.3Y2O3 grade ferritic stainless steel strengthened by dispersion of nano oxides (ODS) was investigated. The material, initially hot extruded at 1100 °C and then shaped into cladding tube geometry via HPTR cold pilgering, shows a high microstructure stability that affects stress release heat treatment efficiency. Each step of the process was analyzed to better understand the microstructure stability of the material. Despite high levels of stored energy, heat treatments, up to 1350 °C, do not allow for recrystallization of the material. The Vickers hardness shows significant variations along the manufacturing steps. Thanks to a combination of EBSD and X-ray diffraction measurements, this study gives a new insight into the contribution of statistically stored dislocation (SSD) recovery on the hardness evolution during an ODS steel cold forming sequence. SSD density, close to 4.1015 m-2 after cold rolling, drops by only an order of magnitude during heat treatment, while geometrically necessary dislocation (GND) density, close to 1.1015 m-2, remains stable. Hardness decrease during heat treatments appears to be controlled only by the evolution of SSD.
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Affiliation(s)
- Freddy Salliot
- Université Paris-Saclay, CEA, Service de Recherche en Matériaux et Procédés Avancés, 91191 Gif-sur-Yvette, France
| | - András Borbély
- Mines Saint-Etienne, Univ. Lyon, CNRS, UMR 5307 LGF, Centre SMS, F-42023 Saint-Etienne, France
| | - Denis Sornin
- Université Paris-Saclay, CEA, Service de Recherche en Matériaux et Procédés Avancés, 91191 Gif-sur-Yvette, France
| | - Roland Logé
- Thermomechanical Metallurgy Laboratory (LMTM)-PX Group Chair, École Polytechnique Fédérale de Lausanne (EPFL), CH-2002 Neuchâtel, Switzerland
| | - Gabriel Spartacus
- Department of Materials Science and Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Hadrien Leguy
- Université Paris-Saclay, CEA, Service de Recherche en Matériaux et Procédés Avancés, 91191 Gif-sur-Yvette, France
| | - Thierry Baudin
- Université Paris-Saclay, CNRS, Institut de Chimie Moléculaire et des Matériaux d'Orsay, 91405 Orsay, France
| | - Yann de Carlan
- Université Paris-Saclay, CEA, Service de Recherche en Matériaux et Procédés Avancés, 91191 Gif-sur-Yvette, France
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25
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Okayama A, Hoshino T, Wada K, Takahashi H. Comparison of structural effects of cholesterol, lanosterol, and oxysterol on phospholipid (POPC) bilayers. Chem Phys Lipids 2024; 259:105376. [PMID: 38325710 DOI: 10.1016/j.chemphyslip.2024.105376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/26/2023] [Accepted: 01/31/2024] [Indexed: 02/09/2024]
Abstract
Membrane sterols contribute to the function of biomembranes by regulating the physical properties of the lipid bilayers. Cholesterol, a typical mammalian sterol, is biosynthesized by oxidation of lanosterol. From a molecular evolutionary perspective, lanosterol is considered the ancestral molecule of cholesterol. Here, we studied whether cholesterol is superior to lanosterol in regulating the physical properties of the lipid bilayer in terms of the structural effect on model biomembranes composed of a phospholipid. For comparison, oxysterol, which is formed by oxidation of cholesterol, was also studied. The phospholipid used was 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), which is abundantly found in mammalian biomembranes, and 7β-hydroxycholesterol, which is highly cytotoxic, was used as the oxysterol. The apparent molecular volume was calculated from the mass density determined by the flotation method using H2O and D2O, and the bilayer thickness was determined by reconstructing the electron density distribution from X-ray diffraction data of the POPC/sterol mixtures at a sterol concentration of 30 mol%. The apparent occupied area at the bilayer surface was calculated from the above two structural data. The cholesterol system had the thickest bilayer thickness and the smallest occupied area of the three sterols studied here. This indicates that the POPC/cholesterol bilayer has a better barrier property than the other two systems. Compared to cholesterol, the effects of lanosterol and 7β-hydroxycholesterol on lipid bilayer properties can be interpreted as suboptimal for the function of mammalian biomembranes.
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Affiliation(s)
- Ayumi Okayama
- Division of Pure and Applied Science, Faculty of Science and Technology, Gunma University, 4-2 Aramaki, Maebashi, Gunma 371-8510, Japan
| | - Tatsuya Hoshino
- Division of Pure and Applied Science, Faculty of Science and Technology, Gunma University, 4-2 Aramaki, Maebashi, Gunma 371-8510, Japan
| | - Kohei Wada
- Division of Pure and Applied Science, Faculty of Science and Technology, Gunma University, 4-2 Aramaki, Maebashi, Gunma 371-8510, Japan
| | - Hiroshi Takahashi
- Division of Pure and Applied Science, Faculty of Science and Technology, Gunma University, 4-2 Aramaki, Maebashi, Gunma 371-8510, Japan.
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26
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Kawaguchi-Imada S, Sinmyo R, Ohta K, Kawaguchi S, Kobayashi T. Submillisecond in situ X-ray diffraction measurement system with changing temperature and pressure using diamond anvil cells at BL10XU/SPring-8. J Synchrotron Radiat 2024; 31:343-354. [PMID: 38372672 PMCID: PMC10914164 DOI: 10.1107/s1600577523010974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/21/2023] [Indexed: 02/20/2024]
Abstract
Recently, there has been a high demand for elucidating kinetics and visualizing reaction processes under extreme dynamic conditions, such as chemical reactions under meteorite impact conditions, structural changes under nonequilibrium conditions, and in situ observations of dynamic changes. To accelerate material science studies and Earth science fields under dynamic conditions, a submillisecond in situ X-ray diffraction measurement system has been developed using a diamond anvil cell to observe reaction processes under rapidly changing pressure and temperature conditions replicating extreme dynamic conditions. The development and measurements were performed at the high-pressure beamline BL10XU/SPring-8 by synchronizing a high-speed hybrid pixel array detector, laser heating and temperature measurement system, and gas-pressure control system that enables remote and rapid pressure changes using the diamond anvil cell. The synchronized system enabled momentary heating and rapid cooling experiments up to 5000 K via laser heating as well as the visualization of structural changes in high-pressure samples under extreme dynamic conditions during high-speed pressure changes.
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Affiliation(s)
- Saori Kawaguchi-Imada
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
| | - Ryosuke Sinmyo
- Department of Physics, School of Science and Technology, Meiji University, 1-1-1 Higashi Mita, Tama-ku, Kawasaki, Kanagawa 214-8571, Japan
| | - Kenji Ohta
- Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro, Tokyo 152-8551, Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
| | - Toshiyuki Kobayashi
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
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27
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Krause L, Gjørup FH, Jørgensen MRV. xrdPlanner: exploring area detector geometries for powder diffraction and total scattering experiments. J Synchrotron Radiat 2024; 31:394-398. [PMID: 38306298 PMCID: PMC10914179 DOI: 10.1107/s1600577523011086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/27/2023] [Indexed: 02/04/2024]
Abstract
xrdPlanner is a software package designed to aid in the planning and preparation of powder X-ray diffraction and total scattering beam times at synchrotron facilities. Many modern beamlines provide a flexible experimental setup and may have several different detectors available. In combination with a range of available X-ray energies, it often makes it difficult for the user to explore the available parameter space relevant for a given experiment prior to the scheduled beam time. xrdPlanner was developed to provide a fast and straightforward tool that allows users to visualize the accessible part of reciprocal space of their experiment at a given combination of photon energy and detector geometry. To plan and communicate the necessary geometry not only saves time but also helps the beamline staff to prepare and accommodate for an experiment. The program is tailored toward powder X-ray diffraction and total scattering experiments but may also be useful for other experiments that rely on an area detector and for which detector placement and achievable momentum-transfer range are important experimental parameters.
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Affiliation(s)
- Lennard Krause
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
- MAX IV Laboratory, Lund University, Fotongatan 2, 225 94 Lund, Sweden
| | - Frederik Holm Gjørup
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
- MAX IV Laboratory, Lund University, Fotongatan 2, 225 94 Lund, Sweden
- iNANO, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - Mads Ry Vogel Jørgensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
- MAX IV Laboratory, Lund University, Fotongatan 2, 225 94 Lund, Sweden
- iNANO, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
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28
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Sakkal M, Arafat M, Yuvaraju P, Beiram R, AbuRuz S. Preparation and Characterization of Theophylline Controlled Release Matrix System Incorporating Poloxamer 407, Stearyl Alcohol, and Hydroxypropyl Methylcellulose: A Novel Formulation and Development Study. Polymers (Basel) 2024; 16:643. [PMID: 38475326 DOI: 10.3390/polym16050643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/13/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Theophylline (THN), a bronchodilator with potential applications in emerging conditions like COVID-19, requires a controlled-release delivery system due to its narrow therapeutic range and short half-life. This need is particularly crucial as some existing formulations demonstrate impaired functionality. This study aims to develop a new 12-h controlled-release matrix system (CRMS) in the form of a capsule to optimize dosing intervals. METHODS CRMSs were developed using varying proportions of poloxamer 407 (P-407), stearyl alcohol (STA), and hydroxypropyl methylcellulose (HPMC) through the fusion technique. Their in vitro dissolution profiles were then compared with an FDA-approved THN drug across different pH media. The candidate formulation underwent characterization using X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, differential scanning calorimetry, and thermogravimetric analysis. Additionally, a comprehensive stability study was conducted. RESULTS In vitro studies showed that adjusting the concentrations of excipients effectively controlled drug release. Notably, the CRMS formulation 15 (CRMS-F15), which was composed of 30% P-407, 30% STA, and 10% HPMC, closely matched the 12 h controlled-release profile of an FDA-approved drug across various pH media. Characterization techniques verified the successful dispersion of the drug within the matrix. Furthermore, CRMS-F15 maintained a consistent controlled drug release and demonstrated stability under a range of storage conditions. CONCLUSIONS The newly developed CRMS-F15 achieved a 12 h controlled release, comparable to its FDA-approved counterpart.
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Affiliation(s)
- Molham Sakkal
- College of Pharmacy, Al Ain University, Al Ain P.O. Box 64141, United Arab Emirates
| | - Mosab Arafat
- College of Pharmacy, Al Ain University, Al Ain P.O. Box 64141, United Arab Emirates
| | - Priya Yuvaraju
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Rami Beiram
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Salahdein AbuRuz
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
- Department of Biopharmaceutics and Clinical Pharmacy, School of Pharmacy, The University of Jordan, Amman 11942, Jordan
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29
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Sakr AH, Nassif MS, El-Korashy DI. Amelogenin-inspired peptide, calcium phosphate solution, fluoride and their synergistic effect on enamel biomimetic remineralization: an in vitro pH-cycling model. BMC Oral Health 2024; 24:279. [PMID: 38413983 PMCID: PMC10898002 DOI: 10.1186/s12903-024-04008-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 02/09/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND Several methods were introduced for enamel biomimetic remineralization that utilize a biomimetic analogue to interact and absorb bioavailable calcium and phosphate ions and induce crystal nucleation on demineralized enamel. Amelogenin is the most predominant enamel matrix protein that is involved in enamel biomineralization. It plays a major role in developing the enamel's hierarchical microstructure. Therefore, this study was conducted to evaluate the ability of an amelogenin-inspired peptide to promote the remineralization potential of fluoride and a supersaturated calcium phosphate solution in treating artificially induced enamel carious lesions under pH-cycling regimen. METHODS Fifty enamel slices were prepared with a window (4*4 mm2 ) on the surface. Five samples were set as control healthy enamel and 45 samples were subjected to demineralization for 3 days. Another 5 samples were set as control demineralized enamel and 40 enamel samples were assigned into 8 experimental groups (n=5) (P/I, P/II, P/III, P/AS, NP/I, NP/II, NP/III and NP/AS) according to peptide treatment (peptide P or non-peptide NP) and remineralizing solution used (I; calcium phosphate solution, II; calcium phosphate fluoride solution, III; fluoride solution and AS; artificial saliva). Samples were then subjected to demineralization/remineralization cycles for 9 days. Samples in all experimental groups were evaluated using Raman spectroscopy for mineral content recovery percentage, microhardness and nanoindentation as healthy, demineralized enamel and after pH-cycling. Data were statistically analysed using two-way repeated measures Anova followed by Bonferroni-corrected post hoc test for pairwise multiple comparisons between groups. Statistical significance was set at p= 0.05. Additionally, XRD, FESEM and EDXS were used for crystal orientation, surface morphology and elemental analysis after pH-cycling. RESULTS Nanocrystals clumped in a directional manner were detected in peptide-treated groups. P/II showed the highest significant mean values in mineral content recovery (63.31%), microhardness (268.81±6.52 VHN), elastic modulus (88.74±2.71 GPa), nanohardness (3.08±0.59 GPa) and the best crystal orientation with I002/I300 (1.87±0.08). CONCLUSION Despite pH changes, the tested peptide was capable of remineralizing enamel with ordered crystals. Moreover, the supplementary use of calcium phosphate fluoride solution with peptide granted an enhancement in enamel mechanical properties after remineralization.
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Affiliation(s)
- Aliaa H Sakr
- Dental Biomaterials, Biomaterials Department, Faculty of Dentistry, Ain-Shams University, Organization of African unity street, El-Qobba Bridge, El-Weili, Cairo, Egypt.
| | - Mohammed Salah Nassif
- Dental Biomaterials, Biomaterials Department, Faculty of Dentistry, Ain-Shams University, Organization of African unity street, El-Qobba Bridge, El-Weili, Cairo, Egypt
| | - Dalia I El-Korashy
- Dental Biomaterials, Biomaterials Department, Faculty of Dentistry, Ain-Shams University, Organization of African unity street, El-Qobba Bridge, El-Weili, Cairo, Egypt
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30
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Virmani A, Jessen C, Kornath AJ. Synthesis and Structure of the Small Superelectrophile [C 2 (OH) 2 Me 2 ] 2. Chemistry 2024:e202400354. [PMID: 38373034 DOI: 10.1002/chem.202400354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 02/17/2024] [Accepted: 02/18/2024] [Indexed: 02/20/2024]
Abstract
The acid-activation of 1,2-dicarbonyl compounds plays a key role in a variety of electrophilic reactions, some of which are only accessible in superacidic media when a superelectrophilic dication is formed. To obtain structural and electronic information about these elusive species, the vicinal dication [C2 (OH)2 Me2 ]2+ is synthesized and characterized by Raman spectroscopy and X-ray diffraction. Since this superelectrophile could not be stabilized in convenient superacids, the usage of liquid SO2 turned out to be crucial. The experimental data are discussed together with quantum-chemical calculations on the B3LYP/aug-cc-pVTZ level of theory. Natural Bond Orbital (NBO) analyses quantify the superelectrophilic interactions found in the solid state.
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Affiliation(s)
- Alan Virmani
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, D-81377, München
| | - Christoph Jessen
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, D-81377, München
| | - Andreas J Kornath
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, D-81377, München
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31
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Khan MI, Bashir N, Pandith S, Shah M, Reshi Z, Shahzad A. Rhubarb: A novel model plant to study the conundrum of calcium oxalate synthesis. Food Chem 2024; 434:137458. [PMID: 37722335 DOI: 10.1016/j.foodchem.2023.137458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/01/2023] [Accepted: 09/10/2023] [Indexed: 09/20/2023]
Abstract
The study investigated calcium oxalate (CaOx) crystal composition, accumulation, synthesis, and degradation in five rhubarb species from the North-Western Indian Himalayas. Techniques like optical and scanning electron microscopy (SEM), SEM-energy-dispersive X-ray spectroscopy (SEM-EDS), inductively coupled plasma-optical emission spectrometry (ICP-OES), X-ray diffraction spectroscopy (XRD), and real-time (qRT-PCR) expression analysis of strategic genes were used to understand the processes of oxalate synthesis and precipitation. Results showed crystals tend to accumulate around vascular bundles in all species, irrespective of size, indicating a consistent pattern. Crystal synthesis and accumulation were stress-driven, linked to substrate composition, and in planta soluble oxalate and calcium levels, paralleling oxalate precursors. Based on their availability, CaOx crystals precipitated heavy metals mostly associated with its weddellite form. Crystal content correlated positively with mRNA levels of calcium/oxalate/ascorbate-related and stress-responsive genes, and negatively with oxalate oxidation/decarboxylation genes. CaOx crystals were suggested as potential biominerals for addressing heavy metal stress in agriculture.
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Affiliation(s)
- Mohd-Ishfaq Khan
- Department of Botany, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir 190006, India; Plant Biotechnology Section, Department of Botany, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India
| | - Nargis Bashir
- Department of Botany, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir 190006, India
| | - Shahzad Pandith
- Department of Botany, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir 190006, India.
| | - Manzoor Shah
- Department of Botany, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir 190006, India
| | - Zafar Reshi
- Department of Botany, University of Kashmir, Hazratbal, Srinagar, Jammu and Kashmir 190006, India
| | - Anwar Shahzad
- Plant Biotechnology Section, Department of Botany, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India
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Kawsar M, Hossain MS, Bahadur NM, Ahmed S. Synthesis of nano-crystallite hydroxyapatites in different media and a comparative study for estimation of crystallite size using Scherrer method, Halder-Wagner method size-strain plot, and Williamson-Hall model. Heliyon 2024; 10:e25347. [PMID: 38327405 PMCID: PMC10847954 DOI: 10.1016/j.heliyon.2024.e25347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/10/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024] Open
Abstract
Hydroxyapatite (HAp) [Ca10(PO4)6(OH)2] is remarkably similar to the hard tissue of the human body and the uses of this material in various fields in addition to the medical sector are increasing day by day. In this research, mustered oil, soybean oil, as well as coconut oil were employed as liquid media for synthesizing nanocrystalline HAp using a wet chemical precipitation approach. The X-ray diffraction (XRD) study verified the crystalline phase of the HAp in all the indicated media and discovered similarities with the standard database. Several prominent models such as the Scherrer's Method (SM), Halder-Wagner Method (HWM), linear straight-line method (LSLM), Williamson-Hall Method (W-M), Monshi Scherrer Method (MSM), Size-Strain Plot Method (SSPM), Sahadat-Scherrer Method (S-S) were applied for the determination of crystallite size. The stress, strain, and energy density were also computed from the above models. All the models, without the Linear straight-line technique of Scherrer's equation, resulted in an appropriate value of crystallite size for synthesized products. The calculated crystallite sizes were 6.5 nm for HAp in master oil using Halder-Wagner Method, and 143 nm for HAp in coconut oil using the Scherrer equation which were the lowest and the largest, respectively.
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Affiliation(s)
- Md. Kawsar
- Glass Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka-1205, Bangladesh
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Md. Sahadat Hossain
- Glass Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka-1205, Bangladesh
| | - Newaz Mohammed Bahadur
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Samina Ahmed
- Glass Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka-1205, Bangladesh
- BCSIR Dhaka Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka-1205, Bangladesh
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Lo Presti F, Pellegrino AL, Micard Q, Condorelli GG, Margueron S, Bartasyte A, Malandrino G. LiNbO 3 Thin Films through a Sol-Gel/Spin-Coating Approach Using a Novel Heterobimetallic Lithium-Niobium Precursor. Nanomaterials (Basel) 2024; 14:345. [PMID: 38392718 PMCID: PMC10892834 DOI: 10.3390/nano14040345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
Lithium niobate is a lead-free material which has attracted considerable attention due to its excellent optical, piezoelectric, and ferroelectric properties. This research is devoted to the synthesis through an innovative sol-gel/spin-coating approach of polycrystalline LiNbO3 films on Si substrates. A novel single-source hetero-bimetallic precursor containing lithium and niobium was synthesized and applied to the sol-gel synthesis. The structural, compositional, and thermal characteristics of the precursor have been tested through attenuated total reflection, X-ray photoelectron spectroscopy, thermogravimetric analysis, and differential scanning calorimetry. The LiNbO3 films have been characterized from a structural point of view with combined X-ray diffraction and Raman spectroscopy. Field-emission scanning electron microscopy, energy dispersive X-ray analysis, and X-ray photoelectron spectroscopy have been used to study the morphological and compositional properties of the deposited films.
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Affiliation(s)
- Francesca Lo Presti
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, and INSTM UdR Catania, Viale Andrea Doria 6, I-95125 Catania, Italy; (F.L.P.); (A.L.P.); (G.G.C.)
| | - Anna Lucia Pellegrino
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, and INSTM UdR Catania, Viale Andrea Doria 6, I-95125 Catania, Italy; (F.L.P.); (A.L.P.); (G.G.C.)
| | - Quentin Micard
- FEMTO-ST Institute, University of Franche-Comté, ENSMM CNRS UMR 6174, 26 Rue de l’Epitaphe, F-25030 Besançon, France (S.M.); (A.B.)
| | - Guglielmo Guido Condorelli
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, and INSTM UdR Catania, Viale Andrea Doria 6, I-95125 Catania, Italy; (F.L.P.); (A.L.P.); (G.G.C.)
| | - Samuel Margueron
- FEMTO-ST Institute, University of Franche-Comté, ENSMM CNRS UMR 6174, 26 Rue de l’Epitaphe, F-25030 Besançon, France (S.M.); (A.B.)
| | - Ausrine Bartasyte
- FEMTO-ST Institute, University of Franche-Comté, ENSMM CNRS UMR 6174, 26 Rue de l’Epitaphe, F-25030 Besançon, France (S.M.); (A.B.)
- Institut Universitaire de France, 1 rue Descartes, F-75231 Paris, France
| | - Graziella Malandrino
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, and INSTM UdR Catania, Viale Andrea Doria 6, I-95125 Catania, Italy; (F.L.P.); (A.L.P.); (G.G.C.)
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Luo D, Zou JW, Wang JH, Tian H, Xie HY, Zhu TX, Zhu HH, Deng LM, Fan CL, Wang H, Wang GC, Zhang YB. Undescribed matrine-type alkaloids from Sophora alopecuroides with anti-inflammatory activity. Phytochemistry 2024; 218:113954. [PMID: 38104747 DOI: 10.1016/j.phytochem.2023.113954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
A phytochemical investigation on the alkaloid fractions of Sophora alopecuroides L. led to the production of 11 undescribed matrine-type alkaloids, sophaloseedlines I-S (1-11), 12 known analogs (12-23), and an unexpected artificial matrine-derived Al(III) complex (24). The corresponding structures were elucidated by the interpretation of spectroscopic analyses, quantum chemical calculation, and six instances (1-4, 18, and 24), verified by X-ray crystallography. The biological activities screening demonstrated that none of the isolates exhibited cytotoxicity against four human cancer cell lines (HepG2, A549, THP-1, and MCF-7) and respiratory syncytial virus (RSV) at 50 μM, while moderate anti-inflammatory activity with IC50 value from 15.6 to 47.8 μM was observed. The key structure-activity relationships of those matrine-type alkaloids for anti-inflammatory effects have been summarized. In addition, the most potent 7-epi-sophoramine (19) and aluminum sophaloseedline T (24) could effectively inhibit the release of pro-inflammatory factors (TNF-α, IL-6, and IL-1β), as well as the expression of iNOS and COX-2 proteins.
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Affiliation(s)
- Ding Luo
- Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, PR China; Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, and Guangdong Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Jia-Wen Zou
- Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China
| | - Jing-Hao Wang
- Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, PR China
| | - He Tian
- Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, PR China
| | - Hua-Yan Xie
- Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, PR China
| | - Tian-Xi Zhu
- Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China
| | - Hui-Hui Zhu
- Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China
| | - Lu-Ming Deng
- Marine Biomedical Research Institution, Guangdong Medical University, Zhanjiang, 524023, PR China
| | - Chun-Lin Fan
- Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China
| | - Hao Wang
- Department of Anesthesiology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, PR China.
| | - Guo-Cai Wang
- Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China.
| | - Yu-Bo Zhang
- Institute of Traditional Chinese Medicine & Natural Products, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, PR China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, and Guangdong Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, PR China.
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Hiraishi N, Gondo T, Shimada Y, Hayashi F. Effect of borate, fluoride and strontium ions on biomimetic nucleation of calcium phosphate studied using solid-state nuclear magnetic resonance and X-ray diffraction. Dent Mater 2024; 40:210-218. [PMID: 37977993 DOI: 10.1016/j.dental.2023.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 10/31/2023] [Accepted: 11/04/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVES Apatite minerals can have various anions and cations in their crystal structure in addition to phosphate ion (PO₄³⁻) and calcium ion (Ca2+). The aim of this study is to investigate effects of the borate, fluoride and strontium ions on biomimetic nucleation of calcium phosphate. METHODS Nano-crystalline hydroxyapatite (H-Ap) was obtained from a supersaturated buffered solution containing 4.12 mM HPO42- and 5.88 mM Ca2+ (H-Ap). Four additives were used in solid solution methods: (i) 0.588 mM F- (F-Ap), (ii) 5.88 mM Sr2+ (Sr-Ap), (iii) 4.12 mM BO33- (BO3-Ap), and (iv) a surface pre-reacted glass ionomer (S-PRG) filler eluate that contained 0.17 mM Sr2+, 0.588 mM F-, 11.1 mM BO33-- (SPRG-Ap). Apatite crystallization was investigated using a solid-state magic-angle spinning NMR spectroscopy and X-ray diffraction (XRD) with the Rietveld analysis. RESULTS A 2D 1H-31P heteronuclear-correlation NMR showed F- ion incorporation in the apatite structure of the F-Ap and SPRG-Ap. The peaks on the 31P axis of the F-Ap, Sr-Ap, and BO3-Ap were different from that of the H-Ap, and the full width at half maximum increased in the following order: H-Ap∼F-Ap∼BO3-Ap< SPRG-Ap< Sr-Ap, suggesting the incorporation of the F-, Sr2+ and BO33-. The incorporation of F and BO3 was further confirmed by 19F and 11B NMR. The XRD revealed that Sr2+ was preferentially incorporated into the CaII site. SIGNIFICANCE The F-, Sr2+ and BO33-ions might be involved in modifying the crystallization of apatite precipitation, producing a variety of apatite. S-PRG filler that release these ions may have an effect on remineralization, i.e., the reformation of apatite lost due to caries.
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Affiliation(s)
- Noriko Hiraishi
- Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
| | - Tadamu Gondo
- Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasushi Shimada
- Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Fumiaki Hayashi
- NMR Operation Team, Laboratory for Advanced NMR Application and Development, RIKEN Center for Biosystems Dynamics Research, Yokohama, Japan
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Yang K, Yang Y, Yao Z, Cheng S, Cui X, Wang X, Han Y, Yi F, Mo G. High-pressure study of a 3d-4f heterometallic CuEu-organic skeleton. Acta Crystallogr C Struct Chem 2024; 80:49-55. [PMID: 38318692 DOI: 10.1107/s205322962400010x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/03/2024] [Indexed: 02/07/2024] Open
Abstract
We prepared a 3d-4f heterobimetallic CuEu-organic framework NBU-8 with a density of 1921 kg m-3 belonging to the family of dense packing materials (dense metal-organic frameworks or MOFs). This MOF material was prepared from 4-(pyrimidin-5-yl)benzoic acid (HPBA) with a bifunctional ligand site as a tripodal ligand and Cu2+ and Eu3+ as the metal centres; the molecular formula is Cu3Eu2(PBA)6(NO3)6·H2O. This material is a very promising dimethylformamide (DMF) molecular chemical sensor. Systematic high-pressure studies of NBU-8 were carried out by powder X-ray diffraction, high-pressure X-ray diffraction and molecular dynamics simulation. The high-pressure experiment shows that the (006) diffraction peak of the crystal structure moves toward a low angle with increasing pressure, accompanied by the phenomenon that the d-spacing increases, and as the pressure increases, the (10-2) diffraction peak moves to a higher angle, the amplitude of the d-spacing is significantly reduced and finally merges with the (006) diffraction peak into one peak. The amplitude of the d-spacing is significantly reduced, indicating that NBU-8 compresses and deforms along the a-axis direction when subjected to uniform pressure. This is caused by tilting of the ligands to become more vertical along the c direction, leading to its expansion. This allows greater contraction along the a direction. We also carried out a Rietveld structure refinement and a Birch-Murnaghan solid-state equation fitting for the high-pressure experimental results. We calculated the bulk modulus of the material to be 45.68 GPa, which is consistent with the calculated results. The framework is among the most rigid MOFs reported to date, exceeding that of Cu-BTC. Molecular dynamics simulations estimated that the mechanical energy absorbed by the system when pressurized to 5.128 GPa was 249.261 kcal mol-1. The present work will provide fresh ideas for the study of mechanical energy in other materials.
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Affiliation(s)
- Ke Yang
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Yuting Yang
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Ziqin Yao
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Sisi Cheng
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Xue Cui
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Xingyi Wang
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Yi Han
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum-Beijing, Beijing 102249, People's Republic of China
| | - Feiyan Yi
- State Key Laboratory Base of Novel Functional Materials and Preparation Science, School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China
| | - Guang Mo
- Institute of High Energy Physics Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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Guerfi Z, Kribaa OK, Djouama H. Chemical-physical behavior of Hydroxyapatite: A modeling approach. J Mech Behav Biomed Mater 2024; 150:106229. [PMID: 38000164 DOI: 10.1016/j.jmbbm.2023.106229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/03/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023]
Abstract
Hydroxyapatite (HAp) is a ceramic composed of calcium phosphate, frequently employed as a bone substitute material due to its biocompatibility and bioactivity. Over the past century, there has been substantial attention in fields such as orthopedics and plastic surgery. Remarkably, synthetic HAp exhibits properties akin to those found in natural bone and teeth. Computational theoretical chemistry focuses on numerically computing molecular electronic structures and interactions. As chemistry education evolves, it's imperative to acknowledge the increasing significance of computational tools in research. Density Functional Theory (DFT) stands out as the most widely adopted method in contemporary computational chemistry. In this study, we synthesized Hydroxyapatite (HAp) via the double decomposition method using synthetic sources. The synthesized materials underwent thorough characterization, including X-ray Diffraction (XRD), UV-visible spectroscopy, and Fourier Transform Infrared (FTIR) spectroscopy under various conditions. Additionally, we performed quantum mechanical computations on the HAp molecule using density functional theory. Our results were then compared with experimental data. Our experimental findings highlight the successful synthesis of HAp, particularly under specific temperature conditions. Moreover, the quantum chemistry calculations exhibited excellent agreement with the experimental results, especially in terms of spectroscopic characterizations.
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Affiliation(s)
- Ziad Guerfi
- "LCA" Applied Chemistry Laboratory, Mohamed Khider Biskra University, Biskra, Algeria
| | - Oum Keltoum Kribaa
- "LCA" Applied Chemistry Laboratory, Mohamed Khider Biskra University, Biskra, Algeria.
| | - Hanane Djouama
- "LCA" Applied Chemistry Laboratory, Mohamed Khider Biskra University, Biskra, Algeria
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Kirichkov MV, Polyakov VA, Shende SS, Minkina TM, Nevidomskaya DG, Wong MH, Bauer TV, Shuvaeva VA, Mandzhieva SS, Tsitsuashvili VS. Application of X-ray based modern instrumental techniques to determine the heavy metals in soils, minerals and organic media. Chemosphere 2024; 349:140782. [PMID: 38013028 DOI: 10.1016/j.chemosphere.2023.140782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 11/19/2023] [Accepted: 11/20/2023] [Indexed: 11/29/2023]
Abstract
To evaluate the environmental concerns associated with heavy metals (HMs) during their translocations in food chains, it is crucial to gather data on the types of HMs present in soils in order to ascertain their toxicity and potential to migrate. An overview of the findings from several physical techniques used to determine and identify the HMs, sediments, individual minerals, and organic components in contaminated agricultural and industrial soils, is provided in this review article. These studies cover a variety of X-ray-based analytical techniques, including most widely used ones like X-ray absorption near edge structure, extended X-ray absorption fine structure, X-ray diffraction, and less popular ones X-ray fluorescence, etc. When compared to techniques that rely on laboratory radiation sources, synchrotron radiation offers more precision and efficiency. These methods could pinpoint the primary mechanisms influencing the soil's ability to transport contaminants and track their subsequent migration up the food chain.
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Affiliation(s)
| | | | | | | | | | - Ming Hung Wong
- Southern Federal University, Rostov-on-Don, 344090, Russia; Consortium on Health, Environment, Education, and Research (CHEER), The Education University of Hong Kong, Hong Kong, China
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Qí X, Malmos KG, van den Berg FWJ, Grumsen FB, Bakalis S. Crystal size, a key character of lactose crystallization affecting microstructure, surface chemistry and reconstitution of milk powder. Food Res Int 2024; 177:113872. [PMID: 38225141 DOI: 10.1016/j.foodres.2023.113872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 01/17/2024]
Abstract
Lactose crystallization during storage deteriorates reconstitution performance of milk powders, but the relationship between lactose crystallization and reconstitution is inexplicit. The objective of this study is to characterize crystalline lactose in the context of formulation and elucidate the complex relationship between lactose crystallization and powder functionality. Lactose in Skim Milk Powder (SMP), Whole Milk Powder (WMP) and Fat-Filled Milk Powder (FFMP) stored under 23 %, 53 % and 75 % Relative Humidity (RH) at 25 ℃ for four months was compared. Lactose, surface chemistry and microstructure of FFMP stored at 25 ℃ and 40 ℃ at 23 % to 75 % RH for four months were also analyzed and interpreted. At the same RH, FFMP crystallized in the same pattern as WMP. At 53 % RH, FFMP and WMP differentiated from SMP in terms of lactose morphology as well as the ratio between anhydrous α-lactose and anhydrous β-lactose. Lactose remained amorphous at 23 % RH, crystallized predominantly to α/β-lactose (1:4) at 40 to 58 % RH and to α-lactose monohydrate at 75 % RH. The crystallinity index was similar for all powders containing crystalline lactose. The estimated crystallite size increased from approx. 0.1 to 20 µm with increasing RH and temperature. When amorphous lactose crystallized into crystals below approx. 0.1 µm at 25 °C and 43 % RH, the microstructure and surface lipid were comparable to that of the reference powder. This powder reconstituted into a stable suspension system comparable to that of reference (well performing) powders. These results demonstrate that crystallite size is the key property linking lactose crystallization and reconstitution. Our finding thus indicates limiting crystallite size is important for maintaining desired product quality.
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Affiliation(s)
- Xiàowěi Qí
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark.
| | - Kirsten Gade Malmos
- Arla Innovation Center, Arla Foods amba, Agro Food Park 19, 8200 Aarhus N, Denmark
| | - Frans W J van den Berg
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Flemming Bjerg Grumsen
- Department of Civil and Mechanical Engineering, Technical University of Denmark, DTU Building 425, 2800 Lyngby, Denmark
| | - Serafim Bakalis
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark.
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Lu Y, Wang L, Dal Piva AMDO, Tribst JPM, Čokić SM, Zhang F, Werner A, Kleverlaan CJ, Feilzer AJ. Effect of printing layer orientation and polishing on the fatigue strength of 3D-printed dental zirconia. Dent Mater 2024; 40:190-197. [PMID: 37977991 DOI: 10.1016/j.dental.2023.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/23/2023] [Accepted: 11/04/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVE The aim of the study was to evaluate the influence of surface polishing and printing layer orientation on the fatigue behaviour of 3 mol% yttria-stabilized zirconia (3Y-TZP) by stereolithography (SLA) in comparison with subtractive manufacturing. MATERIALS AND METHODS 60 experimental zirconia bar-shaped specimens were 3D-printed (P) via SLA, and 30 specimens were milled (M) from commercial zirconia block (Lava™ Frame, 3 M ESPE AG). All specimens had the same dimensions (1 mm × 1 mm x 12 mm) after sintering. The 3D-printed specimens were randomly divided according to printing orientations: parallel or perpendicular to the tensile surface in the fatigue test. The specimens were subsequently submitted to two surface finishing protocols (n = 15/gr): unpolished or polished. Their phase compositions were analysed by X-ray diffraction. The fatigue behaviour was evaluated by a stepwise approach. RESULTS The milled and both 3D-printed groups showed similar phase compositions for the as-sintered condition. Considerable amounts of rhombohedral phase were detected after polishing. Milled unpolished samples presented significantly higher fatigue strength than 3D-printed unpolished samples. Polishing did not improve the fatigue strength for milled zirconia but was advantageous for the 3D-printed specimens. 3D-printed specimens with parallel printing-layer orientation were significantly stronger than specimens with perpendicular layers regardless of surface finishing. CONCLUSION The manufacturing techniques had a significant influence on the fatigue strength of 3Y-TZP, but not on the phase compositions of the surface. The polishing protocol showed different effects on 3Y-TZP fatigue strength and induced phase transition of the 3Y-TZP from Tetragonal to Rhombohedral. The best fatigue strength was achieved through milling using an unpolished surface and SLA-printed layers that were parallel to the tensile surface, followed by polishing.
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Affiliation(s)
- Yuqing Lu
- Department of Dental Materials Science, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, the Netherlands
| | - Li Wang
- Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, School of Mechanical Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China; Institute of Advanced Technology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Amanda Maria de Oliveira Dal Piva
- Department of Dental Materials Science, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, the Netherlands
| | - João Paulo Mendes Tribst
- Department of Reconstructive Oral Care, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Amsterdam, the Netherlands.
| | - Stevan M Čokić
- KU Leuven (University of Leuven), Department of Oral Health Sciences, BIOMAT & University Hospitals Leuven (UZ Leuven), Dentistry, Leuven, Belgium
| | - Fei Zhang
- KU Leuven (University of Leuven), Department of Oral Health Sciences, BIOMAT & University Hospitals Leuven (UZ Leuven), Dentistry, Leuven, Belgium; KU Leuven, Department of Materials Engineering, Kasteelpark Arenberg 44, B-3001 Leuven, Belgium
| | - Arie Werner
- Department of Dental Materials Science, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, the Netherlands
| | - Cornelis J Kleverlaan
- Department of Dental Materials Science, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, the Netherlands
| | - Albert J Feilzer
- Department of Dental Materials Science, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, the Netherlands; Department of Reconstructive Oral Care, Academic Center for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Amsterdam, the Netherlands
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Kleemiss F, Peyerimhoff N, Bodensteiner M. Refinement of X-ray and electron diffraction crystal structures using analytical Fourier transforms of Slater-type atomic wavefunctions in Olex2. J Appl Crystallogr 2024; 57:161-174. [PMID: 38322726 PMCID: PMC10840308 DOI: 10.1107/s1600576723010981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 12/21/2023] [Indexed: 02/08/2024] Open
Abstract
An implementation of Slater-type spherical scattering factors for X-ray and electron diffraction for elements in the range Z = 1-103 is presented within the software Olex2. Both high- and low-angle Fourier behaviour of atomic electron density and electrostatic potential can thus be addressed, in contrast to the limited flexibility of the four Gaussian plus constant descriptions which are currently the most widely used method for calculating atomic scattering factors during refinement. The implementation presented here accommodates the increasing complexity of the electronic structure of heavier elements by using complete atomic wavefunctions without any interpolation between precalculated tables or intermediate fitting functions. Atomic wavefunctions for singly charged ions are implemented and made accessible, and these show drastic changes in electron diffraction scattering factors compared with the neutral atom. A comparison between the two different spherical models of neutral atoms is presented as an example for four different kinds of X-ray and two electron diffraction structures, and comparisons of refinement results using the existing diffraction data are discussed. A systematic but slight improvement in R values and residual densities can be observed when using the new scattering factors, and this is discussed relative to effects on the atomic displacement parameters and atomic positions, which are prominent near the heavier elements in a structure.
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Affiliation(s)
- Florian Kleemiss
- Institut für Anorganische Chemie, RWTH Aachen University, Landoltweg 1a, 52074 Aachen, Germany
- Universität Regensburg, Universitätsstraße 31, 93053 Regensburg, Germany
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Sfikas AK, Lekatou AG, Emmanouilidou S, Tsirka K. Corrosion Behavior of As-Cast and Heat-Treated Al-Co Alloys in 3.5 wt% NaCl. Materials (Basel) 2024; 17:655. [PMID: 38591531 PMCID: PMC10856006 DOI: 10.3390/ma17030655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 04/10/2024]
Abstract
The present work evaluates the effect of Co content on the microstructure and corrosion performance of Al-Co alloys of various compositions (2-32 wt% Co), fabricated by flux-assisted stir casting. A preliminary investigation on the effect of heat treatment (600 °C, up to 72 h) on the microstructure and corrosion behavior of Al-20 wt% Co and Al-32 wt% Co was also conducted. The Al- (2-10) wt% Co alloys were composed of acicular Al9Co2 particles uniformly dispersed in an Al matrix. The Al-20 wt% Co and Al-32 wt% Co alloys additionally contained Al13Co4 blades enveloped in Al9Co2 wedges. Heat treatment of Al-20 wt% Co and Al-32 wt% Co led to a significant reduction in the volume fraction of Al13Co4 and a decrease in hardness. Al-Co alloys with high Co content (10-32 wt% Co) exhibited greater resistance to localized corrosion in 3.5 wt% NaCl, but lower resistance to general corrosion compared to the (0-5 wt% Co) alloys. Heat treatment led to a slight increase in the corrosion resistance of the Al-Co alloys. The microstructure of the produced alloys was analyzed and correlated with the corrosion performance. Finally, corrosion mechanisms were formulated.
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Affiliation(s)
- Athanasios K. Sfikas
- Laboratory of Applied Metallurgy, Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece; (A.K.S.); (S.E.)
| | - Angeliki G. Lekatou
- Laboratory of Applied Metallurgy, Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece; (A.K.S.); (S.E.)
- Institute of Materials Science and Computing, University Research Centre of Ioannina (URCI), 45110 Ioannina, Greece
| | - Sevasti Emmanouilidou
- Laboratory of Applied Metallurgy, Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece; (A.K.S.); (S.E.)
| | - Kyriaki Tsirka
- Composites and Smart Materials Laboratory, Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece;
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Urbańska M, Zając M, Perkowski P, Deptuch A. The Influence of the Molecular Structure of Compounds on Their Properties and the Occurrence of Chiral Smectic Phases. Materials (Basel) 2024; 17:618. [PMID: 38591460 PMCID: PMC10856103 DOI: 10.3390/ma17030618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 04/10/2024]
Abstract
We have designed new chiral smectic mesogens with the -CH2O group near the chiral center. We synthesized two unique rod-like compounds. We determined the mesomorphic properties of these mesogens and confirmed the phase identification using dielectric spectroscopy. Depending on the length of the oligomethylene spacer (i.e., the number of methylene groups) in the achiral part of the molecules, the studied materials show different phase sequences. Moreover, the temperature ranges of the observed smectic phases are different. It can be seen that as the length of the alkyl chain increases, the liquid crystalline material shows more mesophases. Additionally, its clearing (isotropization) temperature increases. The studied compounds are compared with the structurally similar smectogens previously synthesized. The helical pitch measurements were performed using the selective reflection method. These materials can be useful and effective as chiral components and dopants in smectic mixtures targeted for optoelectronics and photonics.
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Affiliation(s)
- Magdalena Urbańska
- Institute of Chemistry, Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland;
| | - Monika Zając
- Institute of Chemistry, Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland;
| | - Paweł Perkowski
- Institute of Applied Physics, Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland;
| | - Aleksandra Deptuch
- Institute of Nuclear Physics Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland;
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Lee JH, Bae JG, Kim MS, Heo JY, Lee HJ, Lee JH. Effect of the Interaction between Transition Metal Redox Center and Cyanide Ligand on Structural Evolution in Prussian White Cathodes. ACS Nano 2024; 18:1995-2005. [PMID: 38214304 DOI: 10.1021/acsnano.3c08271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Transition metal (TM) based Prussian whites, comprising a cyanide anion ((C≡N)-) and TM cations in an alternative manner, have been widely adopted as cathode materials for rechargeable batteries. Prussian whites are characterized by the TM electronic states that exclusively adopt low spin (LS) toward the C atom and high spin (HS) toward the N atom through the hybridized covalent bonding in the TM─C≡N─TM unit with the average oxidation states of the TM ions being 2+, considerably affecting the phase transition behavior upon the release and storage of carrier ions; however, there have been only a few studies on their associated features. Herein, Prussian whites with different HS TM ions were synthesized via coprecipitation and the phase transition behavior controlled by the π electron interaction between the cyanide anions and TM ions during battery operations was investigated. In situ X-ray characterizations reveal that the combined effect of π backdonation in the LS Fe-C unit and π donation in the HS TM-N unit effectively controls the bond length of the TM─C≡N─TM building unit, thus markedly influencing the lattice volume of a series of Prussian white cathodes during the charge/discharge process. This study presents a comprehensive understanding of the structure-property relationship of the Prussian white cathodes involving π electron interactions during battery operations.
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Affiliation(s)
- Ju-Hyeon Lee
- School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
- KNU Advanced Material Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jin-Gyu Bae
- School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
- KNU Advanced Material Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Min Sung Kim
- School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
- KNU Advanced Material Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jeong Yeon Heo
- School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
- KNU Advanced Material Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Hyeon Jeong Lee
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Ji Hoon Lee
- School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
- KNU Advanced Material Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
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45
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Wang J, An S, Ren J. Regulating Microstructure and Macroscopic Properties in Saturated Salt Solutions Containing Disordered Anions and Cations by Magnetic Field. Molecules 2024; 29:543. [PMID: 38276621 PMCID: PMC10819030 DOI: 10.3390/molecules29020543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/20/2024] [Accepted: 01/20/2024] [Indexed: 01/27/2024] Open
Abstract
Saturated aqueous salt solutions have diverse applications in food production, mineral processing, pharmaceuticals, and environmental monitoring. However, the random and disordered arrangement of ions in these solutions poses limitations across different fields. In this study, we employ magnetic fields to regulate the disordered arrangement by a comprehensive methodology combining contact angle measurement, Raman spectroscopy, X-ray diffraction, and molecular dynamics simulations on saturated KCl solutions. Our findings reveal that weak magnetic fields impede the formation of K-Cl contact pairs and disrupt hydrogen bond networks, particularly DDAA and free OH types. However, they facilitate the interaction between water molecules and ions, leading to an increase in the number of K-O and Cl-H contact pairs, along with an expansion in ion hydration radius. These changes affect macroscopic properties, including the interaction with solid substrates and potential solubility increases. Our experimental and simulation results mutually validate each other, contributing to a theoretical framework for studying magnetic field-material interactions.
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Affiliation(s)
- Jihong Wang
- School of Physics and School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shasha An
- Department of Elementary Education, Hebei Normal University, Shijiazhuang 050024, China;
| | - Junchao Ren
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
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Girolami M, Bosi M, Pettinato S, Ferrari C, Lolli R, Seravalli L, Serpente V, Mastellone M, Trucchi DM, Fornari R. Structural and Photoelectronic Properties of κ-Ga 2O 3 Thin Films Grown on Polycrystalline Diamond Substrates. Materials (Basel) 2024; 17:519. [PMID: 38276458 PMCID: PMC10820879 DOI: 10.3390/ma17020519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/10/2024] [Accepted: 01/20/2024] [Indexed: 01/27/2024]
Abstract
Orthorhombic κ-Ga2O3 thin films were grown for the first time on polycrystalline diamond free-standing substrates by metal-organic vapor phase epitaxy at a temperature of 650 °C. Structural, morphological, electrical, and photoelectronic properties of the obtained heterostructures were evaluated by optical microscopy, X-ray diffraction, current-voltage measurements, and spectral photoconductivity, respectively. Results show that a very slow cooling, performed at low pressure (100 mbar) under a controlled He flow soon after the growth process, is mandatory to improve the quality of the κ-Ga2O3 epitaxial thin film, ensuring a good adhesion to the diamond substrate, an optimal morphology, and a lower density of electrically active defects. This paves the way for the future development of novel hybrid architectures for UV and ionizing radiation detection, exploiting the unique features of gallium oxide and diamond as wide-bandgap semiconductors.
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Affiliation(s)
- Marco Girolami
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM–CNR), Sede Secondaria di Montelibretti, DiaTHEMA Lab, Strada Provinciale 35D, 9, 00010 Roma, Italy; (S.P.); (V.S.); (D.M.T.)
| | - Matteo Bosi
- Istituto dei Materiali per l’Elettronica e il Magnetismo, Consiglio Nazionale delle Ricerche (IMEM–CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy; (M.B.); (C.F.); (R.L.); (L.S.); (R.F.)
| | - Sara Pettinato
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM–CNR), Sede Secondaria di Montelibretti, DiaTHEMA Lab, Strada Provinciale 35D, 9, 00010 Roma, Italy; (S.P.); (V.S.); (D.M.T.)
- Faculty of Engineering, Università degli Studi Niccolò Cusano, Via Don Carlo Gnocchi 3, 00166 Roma, Italy
| | - Claudio Ferrari
- Istituto dei Materiali per l’Elettronica e il Magnetismo, Consiglio Nazionale delle Ricerche (IMEM–CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy; (M.B.); (C.F.); (R.L.); (L.S.); (R.F.)
| | - Riccardo Lolli
- Istituto dei Materiali per l’Elettronica e il Magnetismo, Consiglio Nazionale delle Ricerche (IMEM–CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy; (M.B.); (C.F.); (R.L.); (L.S.); (R.F.)
- Department of Physics and Earth Science, Università di Ferrara, Via Saragat 1, 44122 Ferrara, Italy
| | - Luca Seravalli
- Istituto dei Materiali per l’Elettronica e il Magnetismo, Consiglio Nazionale delle Ricerche (IMEM–CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy; (M.B.); (C.F.); (R.L.); (L.S.); (R.F.)
| | - Valerio Serpente
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM–CNR), Sede Secondaria di Montelibretti, DiaTHEMA Lab, Strada Provinciale 35D, 9, 00010 Roma, Italy; (S.P.); (V.S.); (D.M.T.)
| | - Matteo Mastellone
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM–CNR), Sede Secondaria di Montelibretti, DiaTHEMA Lab, Strada Provinciale 35D, 9, 00010 Roma, Italy; (S.P.); (V.S.); (D.M.T.)
| | - Daniele M. Trucchi
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM–CNR), Sede Secondaria di Montelibretti, DiaTHEMA Lab, Strada Provinciale 35D, 9, 00010 Roma, Italy; (S.P.); (V.S.); (D.M.T.)
| | - Roberto Fornari
- Istituto dei Materiali per l’Elettronica e il Magnetismo, Consiglio Nazionale delle Ricerche (IMEM–CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy; (M.B.); (C.F.); (R.L.); (L.S.); (R.F.)
- Department of Mathematical, Physical and Computer Sciences, Università di Parma, Parco Area delle Scienze 7/A, 43124 Parma, Italy
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Xu W, Yu J, Wang H. The Influence of Manganese Slag on the Properties of Ultra-High-Performance Concrete. Materials (Basel) 2024; 17:497. [PMID: 38276436 DOI: 10.3390/ma17020497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/03/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024]
Abstract
Manganese slag (MS) is a kind of chemical waste, which may pollute the environment if conventional handling methods (stacking and landfill) are applied. Ultra-high-performance concrete (UHPC)-with considerably high compactness and strength-can be used not only as a special concrete material, but also to solidify the toxic substances in solid waste. This study proposes the addition of MS to UHPC, where the mass ratio of MS varies from 0% to 40% in the total mass of MS and silica fume. The effects of MS on the fluidity, plastic viscosity, and yield shear stress are investigated, and the flexural strength, compressive strength, and dry shrinkage rate of UHPC with MS are measured. X-ray diffraction (XRD) spectrum and energy spectrum analysis (EDS) diagrams are obtained to analyze the performance mechanism of the UHPC. A rheological study confirms that the slump flow increases with the increasing rate of 0-14.3%, while the yield shear stress and plastic viscosity decrease with the rates of 0-29.6% and 0-22.2%, respectively. The initial setting time increases with the mass ratio of MS by 0-14.3%, and MS has a positive effect on the flexural and compressive strengths of UHPC. In the early curing stage (less than 14 days), the increasing rate in the specimens increases with the curing age; meanwhile, when the curing age reaches 14 days or higher, the increasing rate decreases with increasing curing age. The compactness of UHPC is increased by adding MS. Furthermore, MS can increase the elements of Al and decrease crystals of Ca(OH)2 and calcium silicate hydrate in UHPC.
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Affiliation(s)
- Wenyu Xu
- School of Intelligent Manufacturing, Nanjing University of Science and Technology Zijin College, Nanjing 210023, China
| | - Jia Yu
- School of Intelligent Manufacturing, Nanjing University of Science and Technology Zijin College, Nanjing 210023, China
| | - Hui Wang
- School of Civil Engineering and Geographic Environment, Ningbo University, Ningbo 315000, China
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48
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Wong KY, Thoo YY, Tan CP, Siow LF. Effect of alternative sweetener and carbohydrate polymer mixtures on the physical properties, melting and crystallization behaviour of dark compound chocolate. Food Chem 2024; 431:137118. [PMID: 37586229 DOI: 10.1016/j.foodchem.2023.137118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 08/18/2023]
Abstract
This study aims to evaluate the effect of sucrose replacer mixtures (erythritol, mannitol, or tagatose in combination with inulin or polydextrose) on the crystal morphology, particle size distribution, rheology, melting properties, and fat polymorphism of dark compound chocolate. The result showed that the replacer mixture's hygroscopicity, particle size, and sugar crystal shape might significantly impact dark compound chocolate's rheological and textural properties but had no substantial impact on the melting properties and fat crystallization. Mannitol-containing samples exhibited the highest rheological value, likely related to their high moisture content, small particle size, and elongated crystal shape. Due to the similar specific surface area and comparable D90 value, the sample containing erythritol-polydextrose mixture resulted in a similar (P ≥ 0.05) Casson yield value (46.184 ± 2.45 Pa) compared to the sample containing sucrose (38.348 ± 1.68 Pa). It could be a potential sucrose replacer in the dark compound chocolate.
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Affiliation(s)
- Keat Yi Wong
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia
| | - Yin Yin Thoo
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia
| | - Chin Ping Tan
- Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Lee Fong Siow
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia.
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Habib ML, Disha SA, Sahadat Hossain M, Uddin MN, Ahmed S. Enhancement of antimicrobial properties by metals doping in nano-crystalline hydroxyapatite for efficient biomedical applications. Heliyon 2024; 10:e23845. [PMID: 38192860 PMCID: PMC10772636 DOI: 10.1016/j.heliyon.2023.e23845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/01/2023] [Accepted: 12/13/2023] [Indexed: 01/10/2024] Open
Abstract
In this study, we have introduced a method for the synthesis of various metal-doped nano-crystalline hydroxyapatites (HAp) using a standard wet chemical precipitation technique. Both divalent (Ni and Zn) and trivalent (Al and Fe) metals were selected for the doping process. Additional research work was also conducted to assess the antimicrobial efficacy of these doped-HAps against a range of gram-positive and gram-negative microorganisms. All the synthesized metal-doped hydroxyapatite (HAp) exhibited notable antibacterial characteristics against gram-negative bacterial strains, namely Escherichia coli (E. coli) and Salmonella typhi (S. typhi), outperforming the pure HAp. The inhibition zone observed for the metal-doped HAp ranged from 14 to 16 mm. The Fe ion displayed a notable inhibitory zone measuring 16 mm, proving to be the most expansive among all tested ions against both E. coli and S. typhi bacterial strains. The Zn-HAp exhibited a comparable inhibitory zone size of 14 mm against both S. typhi and E. coli. Additional characterization methods, such as X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, and Scanning electron microscopy (SEM), were used to validate the structural properties of the synthesized metal-doped hydroxyapatite (HAp) samples. The biocompatibility assessment of metal-doped hydroxyapatite (HAp) samples was carried out by haemolysis tests, which revealed that all synthesized hydroxyapatite (HAp) samples have the potential to serve as reliable biomaterials.
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Affiliation(s)
- Md. Lawshan Habib
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj-8100, Bangladesh
| | - Sanjana Afrin Disha
- Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj-8100, Bangladesh
- Institute of Glass and Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka-1205, Bangladesh
| | - Md. Sahadat Hossain
- Institute of Glass and Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka-1205, Bangladesh
| | - Md. Najem Uddin
- BCSIR Dhaka Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka-1205, Bangladesh
| | - Samina Ahmed
- Institute of Glass and Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka-1205, Bangladesh
- BCSIR Dhaka Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka-1205, Bangladesh
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50
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Abid HR, Azhar MR, Iglauer S, Rada ZH, Al-Yaseri A, Keshavarz A. Physiochemical characterization of metal organic framework materials: A mini review. Heliyon 2024; 10:e23840. [PMID: 38192763 PMCID: PMC10772179 DOI: 10.1016/j.heliyon.2023.e23840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/30/2023] [Accepted: 12/13/2023] [Indexed: 01/10/2024] Open
Abstract
Metal-organic frameworks (MOFs) are promising materials offering exceptional performance across a myriad of applications, attributable to their remarkable physicochemical properties such as regular porosity, crystalline structure, and tailored functional groups. Despite their potential, there is a lack of dedicated reviews that focus on key physicochemical characterizations of MOFs for the beginners and new researchers in the field. This review is written based on our expertise in the synthesis and characterization of MOFs, specifically to provide a right direction for the researcher who is a beginner in this area. In this way, experimental errors can be reduced, and wastage of time and chemicals can be avoided when new researchers conduct a study. In this article, this topic is critically analyzed, and findings and conclusions are presented. We reviewed three well-known XRD techniques, including PXRD, single crystal XRD, and SAXS, which were used for XRD analysis depending on the crystal size and the quality of crystal morphology. The TGA profile was an effective factor for evaluating the quality of the activation process and for ensuring the successful investigation for other characterizations. The BET and pore size were significantly affected by the activation process and selective benzene chain cross-linkers. FTIR is a prominent method that is used to investigate the functional groups on pore surfaces, and this method is successfully used to evaluate the activation process, characterize functionalized MOFs, and estimate their applications. The most significant methods of characterization include the X-ray diffraction, which is utilized for structural identification, and thermogravimetric analysis (TGA), which is used for exploring thermal decomposition. It is important to note that the thermal stability of MOFs is influenced by two main factors: the metal-ligand interaction and the type of functional groups attached to the organic ligand. The textural properties of the MOFs, on the other hand, can be scrutinized through nitrogen adsorption-desorption isotherms experiments at 77 K. However, for smaller pore size, the Argon adsorption-desorption isotherm at 87.3 K is preferred. Furthermore, the CO2 adsorption isotherm at 273 K can be used to measure ultra-micropore sizes and sizes lower than these, which cannot be measured by using the N2 adsorption-desorption isotherm at 77 K. The highest BET was observed in high-valence MOFs that are constructed based on the metal-oxo cluster, which has an excellent ability to control their textural properties. It was found that the synthesis procedure (including the choice of solvent, cross-linker, secondary metal, surface functional groups, and temperature), activation method, and pressure significantly impact the surface area of the MOF and, by extension, its structural integrity. Additionally, Fourier-transform infrared spectroscopy plays a crucial role in identifying active MOF functional groups. Understanding these physicochemical properties and utilizing relevant characterization techniques will enable more precise MOF selection for specific applications.
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Affiliation(s)
- Hussein Rasool Abid
- Energy and Resource Discipline, School of Engineering, Edith Cowan University, Joondalup, WA 6027, Australia
- Environmental Health Department, Applied Medical Sciences, University of Kerbala, Karbala 56001, Iraq
| | - Muhammad Rizwan Azhar
- Chemical Engineering Discipline, School of Engineering, Edith Cowan University, Joondalup, WA
| | - Stefan Iglauer
- Energy and Resource Discipline, School of Engineering, Edith Cowan University, Joondalup, WA 6027, Australia
| | - Zana Hassan Rada
- Energy and Resource Discipline, School of Engineering, Edith Cowan University, Joondalup, WA 6027, Australia
| | - Ahmed Al-Yaseri
- College of Petroleum Engineering and Geoscience, King Fahd University of Petroleum and Minerals, Saudi Arabia
| | - Alireza Keshavarz
- Energy and Resource Discipline, School of Engineering, Edith Cowan University, Joondalup, WA 6027, Australia
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