1
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Chen Y, Luo Z, Meng W, Liu K, Chen Q, Cai Y, Ding Z, Huang C, Zhou Z, Jiang M, Zhou L. Decoding the "Fingerprint" of Implant Materials: Insights into the Foreign Body Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310325. [PMID: 38191783 DOI: 10.1002/smll.202310325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/12/2023] [Indexed: 01/10/2024]
Abstract
Foreign body reaction (FBR) is a prevalent yet often overlooked pathological phenomenon, particularly within the field of biomedical implantation. The presence of FBR poses a heavy burden on both the medical and socioeconomic systems. This review seeks to elucidate the protein "fingerprint" of implant materials, which is generated by the physiochemical properties of the implant materials themselves. In this review, the activity of macrophages, the formation of foreign body giant cells (FBGCs), and the development of fibrosis capsules in the context of FBR are introduced. Additionally, the relationship between various implant materials and FBR is elucidated in detail, as is an overview of the existing approaches and technologies employed to alleviate FBR. Finally, the significance of implant components (metallic materials and non-metallic materials), surface CHEMISTRY (charge and wettability), and physical characteristics (topography, roughness, and stiffness) in establishing the protein "fingerprint" of implant materials is also well documented. In conclusion, this review aims to emphasize the importance of FBR on implant materials and provides the current perspectives and approaches in developing implant materials with anti-FBR properties.
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Affiliation(s)
- Yangmengfan Chen
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zeyu Luo
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Weikun Meng
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Kai Liu
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qiqing Chen
- Department of Ultrasound, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, 570311, China
| | - Yongrui Cai
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zichuan Ding
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chao Huang
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zongke Zhou
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Meng Jiang
- Emergency and Trauma Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Liqiang Zhou
- MOE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, University of Macau, Macau SAR, 999078, China
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2
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Ejarque D, Calvet T, Font-Bardia M, Pons J. Structural Landscape of α-Acetamidocinnamic Acid Cocrystals with Bipyridine-Based Coformers: Influence of Crystal Packing on Their Thermal and Photophysical Properties. CRYSTAL GROWTH & DESIGN 2024; 24:1746-1765. [PMID: 38405168 PMCID: PMC10885007 DOI: 10.1021/acs.cgd.3c01374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/27/2024]
Abstract
Controlling the supramolecular synthon outcome in systems with different functionalities has been a key factor for the design of supramolecular materials, which also affected their physicochemical properties. In this contribution, we have analyzed the structural landscape of α-acetamidocinnamic acid (HACA) aiming to find its synthon outcome from the competitivity between its acidic and amidic groups. We prepared four multicomponent forms including one dihydrate (HACA·2H2O) and three cocrystals bearing different bipyridine coformers with formulas (HACA)2(1,2-bpe) (1), (HACA)2(4,4'-azpy) (2), and (HACA)2(4,4'-bipy)3 (3) (1,2-bpe = 1,2-bis(4-pyridyl)ethylene; 4,4'-azpy = 4,4'-azopyridine; 4,4'-bipy = 4,4'-bipyridine). First, we applied a virtual screening approach to assess the feasibility of cocrystal formation. Then, we synthesized the cocrystals, via liquid-assisted grinding (LAG) (1 and 2) or solvothermal (3) techniques, and single crystals of HACA, and their four multicomponent forms were obtained showing different synthons and crystal packings. Besides, a Cambridge Structural Database (CSD) search of the cocrystals presenting bipyridine-type coformers and molecules with acid and amide functionalities was performed, and the observed synthon occurrences as well as the possibility of synthon modification by tuning the H-donor/H-acceptor propensity of the acidic and amidic groups were shown. Finally, we measured their thermal and photophysical properties, which were correlated with their structural features.
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Affiliation(s)
- Daniel Ejarque
- Departament
de Química, Universitat Autònoma
de Barcelona, 08193-Bellaterra, Barcelona, Spain
| | - Teresa Calvet
- Departament
de Mineralogia, Petrologia i Geologia Aplicada, Universitat de Barcelona, Martí i Franquès s/n, 08028 Barcelona, Spain
| | - Mercè Font-Bardia
- Unitat
de Difracció de Raig-X, Centres Científics i Tecnològics
de la Universitat de Barcelona (CCiTUB), Universitat de Barcelona, Solé i Sabarís, 1-3, 08028 Barcelona, Spain
| | - Josefina Pons
- Departament
de Química, Universitat Autònoma
de Barcelona, 08193-Bellaterra, Barcelona, Spain
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3
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Zięba S, Rusek M, Katrusiak A, Gzella A, Dubis AT, Łapiński A. Helical model of compression and thermal expansion. Sci Rep 2023; 13:17398. [PMID: 37833356 PMCID: PMC10575930 DOI: 10.1038/s41598-023-44467-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 10/09/2023] [Indexed: 10/15/2023] Open
Abstract
A negative linear temperature expansion and a negative linear compressibility were observed for imidazolium benzoate salt. Its strongly anisotropic strain induced by the temperature and pressure changes has been explained by the mechanism of H-bonded helices deformed in the structure. X-ray diffraction and vibrational spectroscopy were used to analyze interactions in the crystal. The Quantum Theory of Atoms in Molecules (QTAiM) approach was applied to analyze the hydrogen bonds and other interactions. In the salt under study, the interactions within the helix are substantially higher in energy than between helices. With decreasing temperature and increasing pressure, the value of the helix pitch increases while the value of the semi-major axis decreases, which results in the negative linear expansion and negative linear compression, respectively.
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Affiliation(s)
- Sylwia Zięba
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179, Poznan, Poland.
| | - Michalina Rusek
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Andrzej Katrusiak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Andrzej Gzella
- Department of Organic Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780, Poznan, Poland
| | - Alina T Dubis
- Faculty of Chemistry, University of Bialystok, Ciołkowskiego 1K, 15-245, Bialystok, Poland
| | - Andrzej Łapiński
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179, Poznan, Poland.
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Hall AV, Yufit DS, Zhang Y, Musa OM, Steed JW. Anisotropic thermal expansion effects in layered n-Alkyl carboxylic acid – bipyridyl cocrystals. Supramol Chem 2022. [DOI: 10.1080/10610278.2022.2117623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Amy V. Hall
- Department of Chemistry, Durham University, Durham, UK
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5
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Juneja N, Shapiro NM, Unruh DK, Bosch E, Groeneman RH, Hutchins KM. Controlling Thermal Expansion in Supramolecular Halogen-Bonded Mixed Cocrystals through Synthetic Feed and Dynamic Motion. Angew Chem Int Ed Engl 2022; 61:e202202708. [PMID: 35347837 DOI: 10.1002/anie.202202708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Indexed: 01/31/2023]
Abstract
Control over thermal expansion (TE) behaviors in solid materials is often accomplished by modifying the molecules or intermolecular interactions within the solid. Here, we use a mixed cocrystal approach and incorporate molecules with similar chemical structures, but distinct functionalities. Development of mixed cocrystals is at a nascent stage, and here we describe the first mixed cocrystals sustained by one-dimensional halogen bonds. Within each mixed cocrystal, the halogen-bond donor is fixed, while the halogen-bond acceptor site contains two molecules in a variable ratio. X-ray diffraction demonstrates isostructurality across the series, and SEM-EDS shows equal distribution of heavy atoms and similar atomic compositions across all mixed cocrystals. The acceptor molecules differ in their ability to undergo dynamic motion in the solid state. The synthetic equivalents of motion capable and incapable molecules were systematically varied to yield direct tunabililty in TE behavior.
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Affiliation(s)
- Navkiran Juneja
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Nicole M Shapiro
- Department of Biological Sciences, Webster University, St. Louis, MO 63119, USA
| | - Daniel K Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Eric Bosch
- Department of Chemistry and Biochemistry, Missouri State University, Springfield, MO 65897, USA
| | - Ryan H Groeneman
- Department of Biological Sciences, Webster University, St. Louis, MO 63119, USA
| | - Kristin M Hutchins
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
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6
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Spectroscopic Tracking of Salicylideneaniline Photocolored Crystals: An Attempt to Quantify Polymorph-Dependent Features toward Precise Structure-Function Correlation Analysis. J Phys Chem A 2022; 126:4164-4175. [PMID: 35732010 DOI: 10.1021/acs.jpca.2c01689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Three polymorphs of salicylideneaniline (SA) were prepared, and their photochromic behavior was examined using a recently developed single-crystal microscopic UV-vis spectroscopy approach. This system enabled us to acquire absorption data during the bleaching process as a function of temperature and visible light intensity. First, we demonstrated that, in contrast to the generally accepted assumption, the bleaching curves were notably influenced by the degree of photosaturation at the initial stage. By modifying our kinetic model to include the term representing the initial degree of photosaturation, we successfully obtained the kinetic parameters intrinsic to each crystal structure. Second, we further analyzed the kinetic parameters to show that the bleaching process was accelerated by visible light irradiation to a significantly higher degree than by thermal relaxation. The two bleaching-prompting effects were quantitatively compared between two photochromic polymorphs, α1 and α2; the long life of the photoproduct in α2 was attributed to efficient self-shielding from visible light irradiation enabled by its structural features. These results prompted us to reexamine the simple dualistic photochemical and thermal classification of photochromic systems and will provide a foundation for the precise structure-function analysis of crystalline materials, including SAs.
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7
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Juneja N, Shapiro NM, Unruh DK, Bosch E, Groeneman RH, Hutchins KM. Controlling Thermal Expansion in Supramolecular Halogen‐Bonded Mixed Cocrystals through Synthetic Feed and Dynamic Motion. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Navkiran Juneja
- Texas Tech University Chemistry and Biochemistry UNITED STATES
| | | | - Daniel K. Unruh
- Texas Tech University Chemistry and Biochemistry UNITED STATES
| | - Eric Bosch
- Missouri State University Chemistry and Biochemistry UNITED STATES
| | | | - Kristin M. Hutchins
- Texas Tech University Chemistry & Biochemistry 1204 Boston Ave 79409 Lubbock UNITED STATES
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8
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George GC, Unruh DK, Hutchins KM. Use of a Diels–Alder reaction to modify thermal expansion properties in charge-transfer cocrystals. CrystEngComm 2022. [DOI: 10.1039/d2ce01207c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A strategy for modifying thermal expansion properties in dichroic, charge-transfer cocrystals is described.
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Affiliation(s)
- Gary C. George
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA
| | - Daniel K. Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA
| | - Kristin M. Hutchins
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA
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9
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Ding X, Zahid E, Unruh DK, Hutchins KM. Differences in thermal expansion and motion ability for herringbone and face-to-face π-stacked solids. IUCRJ 2022; 9:31-42. [PMID: 35059207 PMCID: PMC8733877 DOI: 10.1107/s2052252521009593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/15/2021] [Indexed: 06/14/2023]
Abstract
A series of aromatic organic molecules functionalized with different halogen atoms (I/ Br), motion-capable groups (olefin, azo or imine) and molecular length were designed and synthesized. The molecules self-assemble in the solid state through halogen bonding and exhibit molecular packing sustained by either herringbone or face-to-face π-stacking, two common motifs in organic semiconductor molecules. Interestingly, dynamic pedal motion is only achieved in solids with herringbone packing. On average, solids with herringbone packing exhibit larger thermal expansion within the halogen-bonded sheets due to motion occurrence and molecular twisting, whereas molecules with face-to-face π-stacking do not undergo motion or twisting. Thermal expansion along the π-stacked direction is surprisingly similar, but slightly larger for the face-to-face π-stacked solids due to larger changes in π-stacking distances with temperature changes. The results speak to the importance of crystal packing and intermolecular interaction strength when designing aromatic-based solids for organic electronics applications.
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Affiliation(s)
- Xiaodan Ding
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Ethan Zahid
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Daniel K. Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Kristin M. Hutchins
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
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10
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Kumar S, Priyasha, Das D. Molecular tiltation and supramolecular interactions induced uniaxial NTE and biaxial PTE in bis-imidazole-based co-crystals. NEW J CHEM 2022. [DOI: 10.1039/d2nj03717c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Uniaxial NTE and biaxial PTE has been observed in bis-imidazole-based co-crystals induced by molecular tiltation and supramolecular interactions.
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Affiliation(s)
- Sunil Kumar
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi-110067, India
| | - Priyasha
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi-110067, India
| | - Dinabandhu Das
- School of Physical Sciences, Jawaharlal Nehru University, New Delhi-110067, India
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11
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Ding X, Crawford AW, Derrick WP, Unruh DK, Groeneman RH, Hutchins KM. Thermal Expansion Properties and Mechanochemical Synthesis of Stoichiometric Cocrystals Containing Tetrabromobenzene as a Hydrogen- and Halogen-Bond Donor. Chemistry 2021; 27:16329-16333. [PMID: 34555229 DOI: 10.1002/chem.202102833] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Indexed: 11/10/2022]
Abstract
The solution and mechanochemical synthesis of two cocrystals that differ in the stoichiometric ratio of the components (stoichiometric cocrystals) is reported. The components in the stoichiometric cocrystals interact through hydrogen or hydrogen/halogen bonds and differ in π-stacking arrangements. The difference in structure and noncovalent interactions affords dramatically different thermal expansion behaviors in the two cocrystals. At certain molar ratios, the cocrystals are obtained concomitantly; however, by varying the ratios, a single stoichiometric cocrystal is achieved using mechanochemistry.
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Affiliation(s)
- Xiaodan Ding
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
| | - Adam W Crawford
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
| | - William P Derrick
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
| | - Daniel K Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
| | - Ryan H Groeneman
- Department of Biological Sciences, Webster University, St. Louis, Missouri, 63119, USA
| | - Kristin M Hutchins
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
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12
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Zhou XH, Zeng Y, Tang SB, Yu ZR, Cao LM, Du ZY, He CT. Solid solutions of flexible host-guest supramolecules for tuning molecular motion and phase transitions. Chem Commun (Camb) 2021; 57:7292-7295. [PMID: 34213519 DOI: 10.1039/d1cc02061g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
By utilizing a supramolecular complex rather than an individual molecule as a deformable and elastic substitutional component, we put forward a solid-solution strategy and demonstrate an example of how two related yet non-isostructural crystalline host-guest compounds can form molecular solid solutions. Interestingly, such a strategy can effectively and continuously modulate the molecular motion and phase transition in them, as revealed by the variable-temperature/frequency dielectric responses.
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Affiliation(s)
- Xun-Hui Zhou
- Key Laboratory of Functional Small Molecules for Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
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13
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Bond AD. A survey of thermal expansion coefficients for organic molecular crystals in the Cambridge Structural Database. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2021; 77:357-364. [PMID: 34096517 PMCID: PMC8182801 DOI: 10.1107/s2052520621003309] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/29/2021] [Indexed: 06/12/2023]
Abstract
Typical ranges of thermal expansion coefficients are established for organic molecular crystals in the Cambridge Structural Database. The CSD Python API is used to extract 6201 crystal structures determined close to room temperature and at least one lower temperature down to 90 K. The data set is dominated by structure families with only two temperature points and is subject to various sources of error, including incorrect temperature reporting and missing flags for variable-pressure studies. For structure families comprising four or more temperature points in the range 90-300 K, a linear relationship between unit-cell volume and temperature is shown to be a reasonable approximation. For a selected subset of 210 structures showing an optimal linear fit, the volumetric expansion coefficient at 298 K has mean 173 p.p.m. K-1 and standard deviation 47 p.p.m. K-1. The full set of 6201 structures shows a similar distribution, which is fitted by a normal distribution with mean 161 p.p.m. K-1 and standard deviation 51 p.p.m. K-1, with excess population in the tails mainly comprising unreliable entries. The distribution of principal expansion coefficients, extracted under the assumption of a linear relationship between length and temperature, shows a positive skew and can be approximated by two half normal distributions centred on 33 p.p.m. K-1 with standard deviations 40 p.p.m. K-1 (lower side) and 56 p.p.m. K-1 (upper side). The distribution for the full structure set is comparable to that of the test subset, and the overall frequency of biaxial and uniaxial negative thermal expansion is estimated to be < 5% and ∼30%, respectively. A measure of the expansion anisotropy shows a positively skewed distribution, similar to the principal expansion coefficients themselves, and ranges based on suggested half normal distributions are shown to highlight literature cases of exceptional thermal expansion.
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Affiliation(s)
- Andrew D. Bond
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
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14
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Dharmarwardana M, Pakhira S, Welch RP, Caicedo-Narvaez C, Luzuriaga MA, Arimilli BS, McCandless GT, Fahimi B, Mendoza-Cortes JL, Gassensmith JJ. Rapidly Reversible Organic Crystalline Switch for Conversion of Heat into Mechanical Energy. J Am Chem Soc 2021; 143:5951-5957. [PMID: 33822596 DOI: 10.1021/jacs.1c01549] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Solid-state thermoelastic behavior-a sudden exertion of an expansive or contractive physical force following a temperature change and phase transition in a solid-state compound-is rare in organic crystals, few are reversible systems, and most of these are limited to a dozen or so cycles before the crystal degrades or they reverse slowly over the course of many minutes or even hours. Comparable to thermosalience, wherein crystal phase changes induce energetic jumping, thermomorphism produces physical work via consistent and near-instantaneous predictable directional force. In this work, we show a fully reversible thermomorphic actuator that is stable at room temperature for multiple years and is capable of actuation for more than 200 cycles at near-ambient temperature. Specifically, the crystals shrink to 90% of their original length instantaneously upon heating beyond 45 °C and expand back to their original length upon cooling below 35 °C. Furthermore, the phase transition occurs instantaneously, with little obvious hysteresis, allowing us to create real-time actuating thermal fuses that cycle between on and off rapidly.
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Affiliation(s)
| | - Srimanta Pakhira
- Discipline of Physics, Discipline of Metallurgy Engineering and Materials Science (MEMS) & Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore (IIT Indore), Simrol, Khandwa Road, Indore 453552, Madhya Pradesh (M.P.), India
| | | | | | | | | | | | | | - Jose L Mendoza-Cortes
- Department of Chemical & Biomedical Engineering, FAMU-FSU Joint College of Engineering, Tallahassee, Florida 32310, United States.,Department of Chemical Engineering & Materials Science, Michigan State University, East Lansing, Michigan 48824, United States
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15
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Wang SS, Li K, Ma X, Xue P. Acceptor-regulated luminescence in carbazole-based charge transfer complexes. CrystEngComm 2021. [DOI: 10.1039/d1ce00656h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A dicarbazole derivative and two acceptors could formed 1D mixed stacking columns in their charge transfer co-crystals. Moreover, the LUMO energy levels of the acceptors determine the fluorescence colors of the co-crystals.
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Affiliation(s)
- Si-Si Wang
- Department of Translational Medicine
- The First Hospital of Jilin University
- Changchun
- P. R. China
| | - Kechang Li
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
| | - Xiaohui Ma
- Department of Translational Medicine
- The First Hospital of Jilin University
- Changchun
- P. R. China
- Department of Oncology
| | - Pengchong Xue
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin
- P. R. China
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