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Solution-Mediated Polymorphic Transformation of L-Carnosine from Form II to Form I. CRYSTALS 2022. [DOI: 10.3390/cryst12071014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this study, L-carnosine was chosen as the model compound to systematically study solution-mediated polymorphic transformation by online experiment and theoretical simulation. Form II, a new polymorph of L-carnosine, was developed using an antisolvent crystallization method. The properties of form I and form II L-carnosine were characterized by powder X-ray diffraction, polarizing microscope, thermal analysis, and Raman spectroscopy. In order to explore the relative stability, the solubility of L-carnosine form I and form II in a (water + DMAC) binary solvent mixture was determined by a dynamic method. During the solution-mediated polymorphic transformation process of L-carnosine in different solvents, Raman spectroscopy was employed to detect the solid-phase composition of suspension in situ, and the gravimetric method was used to measure the liquid concentration. In addition, the effect of the solvent on the transformation process was evaluated and analyzed. Finally, a mathematical model of dissolution–precipitation was established to simulate the kinetics of the polymorphic transformation process based on the experimental data. Taking the simulation results and the experimental data into consideration, the controlling step of solution-mediated polymorphic transformation was discussed.
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2
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Theoretical Model and Experimental Investigations on Solution-Mediated Polymorphic Transformation of Theophylline: From Polymorph I to Polymorph II. CRYSTALS 2019. [DOI: 10.3390/cryst9050260] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In this work, theophylline was selected as the model compound to study and simulate the solution-mediated polymorphic transformation. The polymorph I and polymorph II of theophylline were prepared and fully characterized. Raman and UV spectra methods were carried out to observe the phase transformation of theophylline from polymorph I to polymorph II at different temperatures. The theoretical models, including dissolution model, nucleation model, and growth model, were established to describe and simulate the transformation processes. By combination of experiments and simulations, the controlling steps of the transformation processes were discussed. The effects of temperature and/or solvent on the transformation processes were evaluated. This work can shed light on the polymorphic transformation processes.
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Macaringue EGJ, Wu S, Liu S, Xu S, Gong J. Influence of the Solvent Content on the Phase Transformation of Sulfadiazine
N
‐Methyl Pyrrolidone Solvate. Chem Eng Technol 2019. [DOI: 10.1002/ceat.201800738] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Estevao G. J. Macaringue
- Tianjin UniversityState Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology 300072 Tianjin China
| | - Songgu Wu
- Tianjin UniversityState Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology 300072 Tianjin China
- Tianjin UniversityThe Collaborative Innovation Center of Chemical Science and Engineering of Tianjin 300072 Tianjin China
| | - Shiyuan Liu
- Tianjin UniversityState Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology 300072 Tianjin China
- Tianjin UniversityThe Collaborative Innovation Center of Chemical Science and Engineering of Tianjin 300072 Tianjin China
| | - Shijie Xu
- Tianjin UniversityState Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology 300072 Tianjin China
- Tianjin UniversityThe Collaborative Innovation Center of Chemical Science and Engineering of Tianjin 300072 Tianjin China
| | - Junbo Gong
- Tianjin UniversityState Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology 300072 Tianjin China
- Tianjin UniversityThe Collaborative Innovation Center of Chemical Science and Engineering of Tianjin 300072 Tianjin China
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4
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Chen L, Zhou L, Zhang X, Yang Y, Zhang S, Yang W, Xie C, Hou B, Bao Y, Yin Q. Crystal Structure Characterization, Independent Gradient Model Analysis, and Gas-Phase-Mediated Transformation of Nicosulfuron DMF Solvate and Hydrate. CRYSTAL RESEARCH AND TECHNOLOGY 2019. [DOI: 10.1002/crat.201800244] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Liang Chen
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Ling Zhou
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Xia Zhang
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Yongfan Yang
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Shihao Zhang
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Wenchao Yang
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Chuang Xie
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 P. R. China
| | - Baohong Hou
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 P. R. China
| | - Ying Bao
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 P. R. China
| | - Qiuxiang Yin
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 P. R. China
- Key Laboratory of Modern Drug Delivery and High Efficiency; Tianjin University; Tianjin 300072 P. R. China
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Wei N, Jia L, Shang Z, Gong J, Wu S, Wang J, Tang W. Polymorphism of levofloxacin: structure, properties and phase transformation. CrystEngComm 2019. [DOI: 10.1039/c9ce00847k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The landscape of solid-state crystal forms of levofloxacin is further expanded with one solved anhydrous α form and three newly discovered solvates including n-propanol solvate, ethylene glycol solvate and acetic acid solvate.
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Affiliation(s)
- Ning Wei
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Lina Jia
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Zeren Shang
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Junbo Gong
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Songgu Wu
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Jingkang Wang
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Weiwei Tang
- State Key Laboratory of Chemical Engineering
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
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Zhang X, Wang C, Zhou L, Yang W, Zhou L, Bao Y, Zhang M, Hou B, Xu Z, Yin Q. Effects of Hydrogen Bond Acceptor Ability of Solvents on Molecular Self-Assembly of Sulfadiazine Solvates. J Pharm Sci 2018; 107:2823-2828. [PMID: 30005983 DOI: 10.1016/j.xphs.2018.06.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 06/12/2018] [Accepted: 06/29/2018] [Indexed: 11/28/2022]
Abstract
The solvate formation of sulfadiazine (SDZ) was systematically studied in the 4 selected solvents with the aids of experiment and simulation methods. The intermolecular interactions between solute and solvent molecules in different solid states were analyzed and compared through their single crystal structures, and the solution behavior of SDZ was discussed using molecular dynamics simulations. The results indicated that SDZ was easy to form solvates with the solvents having strong hydrogen bond acceptor ability, which determined the formation of hydrogen bonding synthon. Furthermore, the SDZ molecules conformation and packing were compared in various crystal structures. In addition, the desolvation processes of SDZ solvates were studied to investigate the role of solvent in different solvate structures.
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Affiliation(s)
- Xia Zhang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Chang Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Ling Zhou
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Wenchao Yang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Lina Zhou
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China; Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin 300072, People's Republic of China
| | - Ying Bao
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China; Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin 300072, People's Republic of China
| | - Meijing Zhang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China; Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin 300072, People's Republic of China
| | - Baohong Hou
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China; Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin 300072, People's Republic of China
| | - Zhao Xu
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China; Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin 300072, People's Republic of China
| | - Qiuxiang Yin
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, People's Republic of China; Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin 300072, People's Republic of China.
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