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Pathak DK, Rani C, Sati A, Kumar R. Developments in Raman Spectromicroscopy for Strengthening Materials and Natural Science Research: Shaping the Future of Physical Chemistry. ACS PHYSICAL CHEMISTRY AU 2024; 4:430-438. [PMID: 39346605 PMCID: PMC11428286 DOI: 10.1021/acsphyschemau.4c00017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 10/01/2024]
Abstract
Spectroscopic techniques, especially Raman spectroscopy, cover a large subset in the teaching and research domain of physical chemistry. Raman spectroscopy, and other Raman based techniques, establishes itself as a powerful analytical tool with diverse applications across scientific, industrial, and natural science (including biology and pharmacy) fields and helps in the progress of physical chemistry. Recent advancements and future prospects in Raman spectroscopy, focusing on key areas of innovation and potential directions for research and development, have been highlighted here along with some of the challenges that need to be addressed to prepare Raman based techniques for the future. Significant progress has been made in enhancing the sensitivity, spatial resolution, and time resolution of Raman spectroscopy techniques. Raman spectroscopy has applications in all areas of research but especially in biomedical applications, where Raman spectroscopy holds a great promise for noninvasive or minimally invasive diagnosis, tissue imaging, and drug monitoring. Improvements in instrumentation and laser technologies have enabled researchers to achieve higher sensitivity levels, investigate smaller sample areas with improved spatial resolution, and capture dynamic processes with high temporal resolution. These advancements have paved the way for a deeper understanding of molecular structure, chemical composition, and dynamic behavior in various materials and biological systems. It is high time that we consider whether Raman based techniques are ready to be improved based on the strength of the current era of AI/ML and quantum technology.
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Affiliation(s)
- Devesh K Pathak
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Chanchal Rani
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Aanchal Sati
- Department of Physics, Hukum Singh Bora Govt PG College, Soban Singh Jeena University Almora, Someshwar 263637, India
| | - Rajesh Kumar
- Department of Physics, Indian Institute of Technology Indore, Simrol, Indore 453552, India
- Centre for Advanced Electronics, Indian Institute of Technology Indore, Simrol, Indore 453552, India
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2
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Urquidi O, Brazard J, LeMessurier N, Simine L, Adachi TBM. In situ optical spectroscopy of crystallization: One crystal nucleation at a time. Proc Natl Acad Sci U S A 2022; 119:e2122990119. [PMID: 35394901 PMCID: PMC9169808 DOI: 10.1073/pnas.2122990119] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/03/2022] [Indexed: 11/29/2022] Open
Abstract
While crystallization is a ubiquitous and an important process, the microscopic picture of crystal nucleation is yet to be established. Recent studies suggest that the nucleation process can be more complex than the view offered by the classical nucleation theory. Here, we implement single crystal nucleation spectroscopy (SCNS) by combining Raman microspectroscopy and optical trapping induced crystallization to spectroscopically investigate one crystal nucleation at a time. Raman spectral evolution during a single glycine crystal nucleation from water, measured by SCNS and analyzed by a nonsupervised spectral decomposition technique, uncovered the Raman spectrum of prenucleation aggregates and their critical role as an intermediate species in the dynamics. The agreement between the spectral feature of prenucleation aggregates and our simulation suggests that their structural order emerges through the dynamic formation of linear hydrogen-bonded networks. The present work provides a strong impetus for accelerating the investigation of crystal nucleation by optical spectroscopy.
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Affiliation(s)
- Oscar Urquidi
- Department of Physical Chemistry, Sciences II, University of Geneva, 1211 Geneva, Switzerland
| | - Johanna Brazard
- Department of Physical Chemistry, Sciences II, University of Geneva, 1211 Geneva, Switzerland
| | | | - Lena Simine
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
| | - Takuji B. M. Adachi
- Department of Physical Chemistry, Sciences II, University of Geneva, 1211 Geneva, Switzerland
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3
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Liao Z, Wynne K. A Metastable Amorphous Intermediate Is Responsible for Laser-Induced Nucleation of Glycine. J Am Chem Soc 2022; 144:6727-6733. [PMID: 35384650 DOI: 10.1021/jacs.1c11154] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Laser-induced crystal nucleation through optical tweezing, and in particular polymorph selection through laser polarization, promises unprecedented control over crystallization. However, in the absence of a nearby liquid-liquid critical point or miscibility gap, the origin of the required mesoscale clusters remains unclear. A number of recent studies of so-called nonclassical nucleation have suggested the presence of large amorphous clusters. Here, we show that supersaturated aqueous glycine solutions form metastable intermediate particles that are off the direct path to crystal nucleation. Laser-induced crystal nucleation only occurs when the laser "activates" one of these particles. In situ low-frequency Raman spectroscopy is used to demonstrate their amorphous or partially ordered character and transformation to various crystal polymorphs. The requirement for solution aging in many previously reported laser-induced crystal nucleation experiments strongly suggests that the presence of amorphous intermediates is a general requirement.
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Affiliation(s)
- Zhiyu Liao
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Klaas Wynne
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K
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4
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Edalati K, Taniguchi I, Floriano R, Luchessi AD. Glycine amino acid transformation under impacts by small solar system bodies, simulated via high-pressure torsion method. Sci Rep 2022; 12:5677. [PMID: 35383225 PMCID: PMC8983748 DOI: 10.1038/s41598-022-09735-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 03/28/2022] [Indexed: 11/15/2022] Open
Abstract
Impacts by small solar system bodies (meteoroids, asteroids, comets and transitional objects) are characterized by a combination of energy dynamics and chemical modification on both terrestrial and small solar system bodies. In this context, the discovery of glycine amino acid in meteorites and comets has led to a hypothesis that impacts by astronomical bodies could contribute to delivery and polymerization of amino acids in the early Earth to generate proteins as essential molecules for life. Besides the possibility of abiotic polymerization of glycine, its decomposition by impacts could generate reactive groups to form other essential organic biomolecules. In this study, the high-pressure torsion (HPT) method, as a new platform for simulation of impacts by small solar system bodies, was applied to glycine. In comparison with high-pressure shock experiments, the HPT method simultaneously introduces high pressure and deformation strain. It was found that glycine was not polymerized in the experimental condition assayed, but partially decomposed to ethanol under pressures of 1 and 6 GPa and shear strains of < 120 m/m. The detection of ethanol implies the inherent availability of remaining nitrogen-containing groups, which can incorporate to the formation of other organic molecules at the impact site. In addition, this finding highlights a possibility of the origin of ethanol previously detected in comets.
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Affiliation(s)
- Kaveh Edalati
- WPI International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Fukuoka, Japan.
| | - Ikuo Taniguchi
- WPI International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Fukuoka, Japan
| | - Ricardo Floriano
- School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
| | - Augusto Ducati Luchessi
- School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
- Institute of Biosciences, São Paulo State University (UNESP), Rio Claro, São Paulo, Brazil
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Affiliation(s)
- Elena Boldyreva
- Novosibirsk State University ul. Pirogova, 2 Novosibirsk 630090 Russian Federation
- Boreskov Institute of Catalysis Siberian Branch of Russian Academy of Sciences Lavrentieva ave., 5 Novosibirsk 630090 Russian Federation
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6
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Thompson SP, Kennedy H, Butler BM, Day SJ, Safi E, Evans A. Laboratory exploration of mineral precipitates from Europa's subsurface ocean. J Appl Crystallogr 2021; 54:1455-1479. [PMID: 34667451 PMCID: PMC8493616 DOI: 10.1107/s1600576721008554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 08/17/2021] [Indexed: 11/10/2022] Open
Abstract
The precipitation of hydrated phases from a chondrite-like Na-Mg-Ca-SO4-Cl solution is studied using in situ synchrotron X-ray powder diffraction, under rapid- (360 K h-1, T = 250-80 K, t = 3 h) and ultra-slow-freezing (0.3 K day-1, T = 273-245 K, t = 242 days) conditions. The precipitation sequence under slow cooling initially follows the predictions of equilibrium thermodynamics models. However, after ∼50 days at 245 K, the formation of the highly hydrated sulfate phase Na2Mg(SO4)2·16H2O, a relatively recent discovery in the Na2Mg(SO4)2-H2O system, was observed. Rapid freezing, on the other hand, produced an assemblage of multiple phases which formed within a very short timescale (≤4 min, ΔT = 2 K) and, although remaining present throughout, varied in their relative proportions with decreasing temperature. Mirabilite and meridianiite were the major phases, with pentahydrite, epsomite, hydrohalite, gypsum, blödite, konyaite and loweite also observed. Na2Mg(SO4)2·16H2O was again found to be present and increased in proportion relative to other phases as the temperature decreased. The results are discussed in relation to possible implications for life on Europa and application to other icy ocean worlds.
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Affiliation(s)
- Stephen P. Thompson
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, United Kingdom
| | - Hilary Kennedy
- School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey LL59 5AB, United Kingdom
| | - Benjamin M. Butler
- Environmental and Biochemical Sciences, The James Hutton Institute, Craigiebuckler, Aberdeen AB15 8QH, United Kingdom
| | - Sarah J. Day
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, United Kingdom
| | - Emmal Safi
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, United Kingdom
- Astrophysics Group, Lennard-Jones Laboratories, Keele University, Keele, Staffordshire ST5 5BG, United Kingdom
| | - Aneurin Evans
- Astrophysics Group, Lennard-Jones Laboratories, Keele University, Keele, Staffordshire ST5 5BG, United Kingdom
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Vesga MJ, McKechnie D, Mulheran PA, Johnston K, Sefcik J. Conundrum of γ glycine nucleation revisited: to stir or not to stir? CrystEngComm 2019. [DOI: 10.1039/c8ce01829d] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stirring promotes formation of the metastable α glycine polymorph, whereas stable γ glycine forms under quiescent conditions.
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Affiliation(s)
- Maria J. Vesga
- Department of Chemical and Process Engineering
- University of Strathclyde
- Glasgow
- UK
| | - David McKechnie
- Department of Chemical and Process Engineering
- University of Strathclyde
- Glasgow
- UK
- Doctoral Training Centre in Continuous Manufacturing and Advanced Crystallisation
| | - Paul A. Mulheran
- Department of Chemical and Process Engineering
- University of Strathclyde
- Glasgow
- UK
| | - Karen Johnston
- Department of Chemical and Process Engineering
- University of Strathclyde
- Glasgow
- UK
| | - Jan Sefcik
- Department of Chemical and Process Engineering
- University of Strathclyde
- Glasgow
- UK
- EPSRC Future Manufacturing Hub in Continuous Manufacturing and Advanced Crystallisation
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8
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Cerreia Vioglio P, Mollica G, Juramy M, Hughes CE, Williams PA, Ziarelli F, Viel S, Thureau P, Harris KDM. Insights into the Crystallization and Structural Evolution of Glycine Dihydrate by In Situ Solid‐State NMR Spectroscopy. Angew Chem Int Ed Engl 2018; 57:6619-6623. [DOI: 10.1002/anie.201801114] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/01/2018] [Indexed: 11/07/2022]
Affiliation(s)
| | | | | | - Colan E. Hughes
- School of ChemistryCardiff University Park Place Cardiff Wales CF10 3AT UK
| | - P. Andrew Williams
- School of ChemistryCardiff University Park Place Cardiff Wales CF10 3AT UK
| | - Fabio Ziarelli
- Aix Marseille Univ, CNRSCentrale Marseille, FSCM FR1739 Marseille France
| | - Stéphane Viel
- Aix Marseille Univ, CNRS, ICR Marseille France
- Institut Universitaire de France Paris France
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9
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Cerreia Vioglio P, Mollica G, Juramy M, Hughes CE, Williams PA, Ziarelli F, Viel S, Thureau P, Harris KDM. Insights into the Crystallization and Structural Evolution of Glycine Dihydrate by In Situ Solid‐State NMR Spectroscopy. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801114] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | | | | | - Colan E. Hughes
- School of ChemistryCardiff University Park Place Cardiff Wales CF10 3AT UK
| | - P. Andrew Williams
- School of ChemistryCardiff University Park Place Cardiff Wales CF10 3AT UK
| | - Fabio Ziarelli
- Aix Marseille Univ, CNRSCentrale Marseille, FSCM FR1739 Marseille France
| | - Stéphane Viel
- Aix Marseille Univ, CNRS, ICR Marseille France
- Institut Universitaire de France Paris France
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10
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Ogienko AG, Bogdanova EG, Trofimov NA, Myz SA, Ogienko AA, Kolesov BA, Yunoshev AS, Zubikov NV, Manakov AY, Boldyrev VV, Boldyreva EV. Large porous particles for respiratory drug delivery. Glycine-based formulations. Eur J Pharm Sci 2017; 110:148-156. [PMID: 28479348 DOI: 10.1016/j.ejps.2017.05.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 04/17/2017] [Accepted: 05/04/2017] [Indexed: 10/19/2022]
Abstract
Large porous particles are becoming increasingly popular as carriers for pulmonary drug delivery with both local and systemic applications. These particles have high geometric diameters (5-30μm) but low bulk density (~0.1g/cm3 or less) such that the aerodynamic diameter remains low (1-5μm). In this study salbutamol and budesonide serve as model inhalable drugs with poor water solubility. A novel method is proposed for the production of dry powder inhaler formulations with enhanced aerosol performance (e.g. for salbutamol-glycine formulation the fine particle fraction (FPF≤4.7μm) value is 67.0±1.3%) from substances that are poorly soluble in water. To overcome the problems related to extremely poor aqueous solubility of the APIs, not individual solvents are used for spray freeze-drying of API solutions, but organic-water mixtures, which can form clathrate hydrates at low temperatures and release APIs or their complexes as fine powders, which form large porous particles after the clathrates are removed by sublimation. Zwitterionic glycine has been used as an additive to API directly in solutions prior to spray freeze-drying, in order to prevent aggregation of powders, to enhance their dispersibility and improve air-flow properties. The clathrate-forming spray freeze-drying process in the multi-component system was optimized using low-temperature powder X-ray diffraction and thermal analysis.
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Affiliation(s)
- A G Ogienko
- Nikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk, Russia; Novosibirsk State University, Novosibirsk, Russia.
| | | | | | - S A Myz
- Institute of Solid State Chemistry and Mechanochemistry SB RAS, Novosibirsk, Russia
| | - A A Ogienko
- Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia
| | - B A Kolesov
- Nikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk, Russia; Novosibirsk State University, Novosibirsk, Russia
| | - A S Yunoshev
- Novosibirsk State University, Novosibirsk, Russia; Lavrentiev Institute of Hydrodynamics SB RAS, Novosibirsk, Russia
| | | | - A Yu Manakov
- Nikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk, Russia; Novosibirsk State University, Novosibirsk, Russia
| | - V V Boldyrev
- Novosibirsk State University, Novosibirsk, Russia; Institute of Solid State Chemistry and Mechanochemistry SB RAS, Novosibirsk, Russia
| | - E V Boldyreva
- Novosibirsk State University, Novosibirsk, Russia; Institute of Solid State Chemistry and Mechanochemistry SB RAS, Novosibirsk, Russia.
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11
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Xu W, Zhu Q, Hu CT. The Structure of Glycine Dihydrate: Implications for the Crystallization of Glycine from Solution and Its Structure in Outer Space. Angew Chem Int Ed Engl 2017; 56:2030-2034. [DOI: 10.1002/anie.201610977] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/25/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Wenqian Xu
- X-ray Science Division; Advanced Photon Source; Argonne National Laboratory; Argonne IL 60439 USA
| | - Qiang Zhu
- Department of Physics and Astronomy; High Pressure Science and Engineering Center; University of Nevada Las Vegas; Las Vegas NV 89154 USA
- Department of Geosciences; Stony Brook University; Stony Brook NY 11794 USA
| | - Chunhua Tony Hu
- Department of Chemistry; New York University; 100 Washington Square East New York NY 10003 USA
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12
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Xu W, Zhu Q, Hu CT. The Structure of Glycine Dihydrate: Implications for the Crystallization of Glycine from Solution and Its Structure in Outer Space. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610977] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Wenqian Xu
- X-ray Science Division; Advanced Photon Source; Argonne National Laboratory; Argonne IL 60439 USA
| | - Qiang Zhu
- Department of Physics and Astronomy; High Pressure Science and Engineering Center; University of Nevada Las Vegas; Las Vegas NV 89154 USA
- Department of Geosciences; Stony Brook University; Stony Brook NY 11794 USA
| | - Chunhua Tony Hu
- Department of Chemistry; New York University; 100 Washington Square East New York NY 10003 USA
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13
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Fabbiani FPA, Bergantin S, Gavezzotti A, Rizzato S, Moret M. X-ray diffraction and computational studies of the pressure-dependent tetrachloroethane solvation of diphenylanthracene. CrystEngComm 2016. [DOI: 10.1039/c6ce00055j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Michalchuk AAL, Tumanov IA, Drebushchak VA, Boldyreva EV. Advances in elucidating mechanochemical complexities via implementation of a simple organic system. Faraday Discuss 2015; 170:311-35. [PMID: 25406486 DOI: 10.1039/c3fd00150d] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mechanochemistry is becoming increasingly popular amongst both the academic and industrial communities as an alternative method for inducing physical and chemical reactions. Despite its rapidly expanding application, little is understood of its mechanisms, greatly limiting its capacity. In the present work the application of specialty devices allowed submission of the simple organic system, α-glycine + β-malonic acid, to isolated shearing and impact treatment. In doing so, unique products were observed to result from each of these major mechanical actions; shear inducing formation of the known salt, glycinium semi-malonate (GSM), and impact yielding formation of a novel phase. Correlation of these isolated treatments with a more common ball mill indicated two unique regions within the milling jar, each characterised by varying ratios of shear and impact, leading to different products being observed. It is widely accepted that, particularly when considering organic systems, mechanical treatment often acts by inducing increases in local temperature, leading to volatilisation or melting. A combination of DSC and TGA were used to investigate the role of temperature on the system in question. Invariably, heating induced formation of GSM, with evidence supporting a eutectic melt, rather than a gas-phase reaction. Shear heating alone is unable to describe formation of the novel phase obtained through impact treatment. By considering the formation and character of mechanically produced tablets, a model is described that may account for formation of this novel phase. This system and methodology for mechanochemical study offers intriguing opportunities for continued study of this widely used and exciting field.
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15
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Zakharov BA, Ogienko AG, Yunoshev AS, Ancharov AI, Boldyreva EV. Bis(paracetamol) pyridine – a new elusive paracetamol solvate: from modeling the phase diagram to successful single-crystal growth and structure–property relations. CrystEngComm 2015. [DOI: 10.1039/c5ce01213a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In addition to the synthon approach, it is equally important to consider phase diagrams when searching for practical methods of crystallising multi-component crystals, either as single crystals or as powders.
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Affiliation(s)
- Boris A. Zakharov
- Institute of Solid State Chemistry and Mechanochemistry SB RAS
- Novosibirsk, Russian Federation
- Novosibirsk State University
- Novosibirsk, Russian Federation
| | - Andrey G. Ogienko
- Novosibirsk State University
- Novosibirsk, Russian Federation
- Nikolaev Institute of Inorganic Chemistry SB RAS
- Novosibirsk, Russian Federation
| | - Alexander S. Yunoshev
- Novosibirsk State University
- Novosibirsk, Russian Federation
- Lavrentyev Institute of Hydrodynamics SB RAS
- Novosibirsk, Russian Federation
| | - Alexey I. Ancharov
- Institute of Solid State Chemistry and Mechanochemistry SB RAS
- Novosibirsk, Russian Federation
- Novosibirsk State University
- Novosibirsk, Russian Federation
- Budker Institute of Nuclear Physics SB RAS
| | - Elena V. Boldyreva
- Institute of Solid State Chemistry and Mechanochemistry SB RAS
- Novosibirsk, Russian Federation
- Novosibirsk State University
- Novosibirsk, Russian Federation
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16
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Achkasov AF, Boldyreva EV, Bukhtiyarov VI, Zapara TA, Losev EA, Moshkin MP, Ratushnyak AS, Romashchenko AV, Troitskii SY, Boldyrev VV. Effect of α- and γ-polymorphs of glycine on the intranasal delivery of manganese hydroxide nanoparticles into brain structures. DOKL BIOCHEM BIOPHYS 2014; 454:6-9. [PMID: 24633603 DOI: 10.1134/s1607672914010037] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Indexed: 11/23/2022]
Affiliation(s)
- A F Achkasov
- Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia
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17
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Kim JW, Kim J, Lee KD, Koo KK. Evaluation of nucleation rate by in-situ focused beam reflectance measurement in an unseeded batch cooling crystallization. CRYSTAL RESEARCH AND TECHNOLOGY 2013. [DOI: 10.1002/crat.201300288] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jun-Woo Kim
- Department of Chemical and Biomolecular Engineering; Sogang University; Seoul 121-742 Korea
| | - Jungwook Kim
- Department of Chemical and Biomolecular Engineering; Sogang University; Seoul 121-742 Korea
| | - Keun-Deuk Lee
- Agency for Defense Development; Daejeon 305-600 Korea
| | - Kee-Kahb Koo
- Department of Chemical and Biomolecular Engineering; Sogang University; Seoul 121-742 Korea
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18
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Okotrub K, Surovtsev N. Raman scattering evidence of hydrohalite formation on frozen yeast cells. Cryobiology 2013; 66:47-51. [DOI: 10.1016/j.cryobiol.2012.11.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 09/06/2012] [Accepted: 11/01/2012] [Indexed: 11/16/2022]
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