Relevant bibliographies by topics / Caffeine cocrystals

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Caffeine cocrystals'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Caffeine cocrystals"

1

Mukherjee, Arijit, Robin D. Rogers, and A. S. Myerson. "Cocrystal formation by ionic liquid-assisted grinding: case study with cocrystals of caffeine." CrystEngComm 20, no. 27 (2018): 3817–21. http://dx.doi.org/10.1039/c8ce00859k.

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2

Xia, Yanming, Yuanfeng Wei, Hui Chen, Shuai Qian, Jianjun Zhang, and Yuan Gao. "Competitive cocrystallization and its application in the separation of flavonoids." IUCrJ 8, no. 2 (2021): 195–207. http://dx.doi.org/10.1107/s2052252520015997.

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Recently, cocrystallization has been widely employed to tailor physicochemical properties of drugs in the pharmaceutical field. In this study, cocrystallization was applied to separate natural compounds with similar structures. Three flavonoids [baicalein (BAI), quercetin (QUE) and myricetin (MYR)] were used as model compounds. The coformer caffeine (CAF) could form cocrystals with all three flavonoids, namely BAI–CAF (cocrystal 1), QUE–CAF (cocrystal 2) and MYR–CAF (cocrystal 3). After adding CAF to methanol solution containing MYR and QUE (or QUE and BAI), cocrystal 3 (or cocrystal 2) prefer
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3

Smit, Jared P., and Eric J. Hagen. "Polymorphism in Caffeine Citric Acid Cocrystals." Journal of Chemical Crystallography 45, no. 3 (2015): 128–33. http://dx.doi.org/10.1007/s10870-015-0573-3.

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4

Jetti, R. K. R., U. J. Griesser, S. Krivovichev, V. Kahlenberg, D. Bläser, and R. Boese. "Supramolecular synthesis of caffeine solvates and cocrystals." Acta Crystallographica Section A Foundations of Crystallography 61, a1 (2005): c286. http://dx.doi.org/10.1107/s0108767305087799.

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5

Budziak, Arczewska, and Kamiński. "Formation of Prenylated Chalcone Xanthohumol Cocrystals: Single Crystal X-Ray Diffraction, Vibrational Spectroscopic Study Coupled with Multivariate Analysis." Molecules 24, no. 23 (2019): 4245. http://dx.doi.org/10.3390/molecules24234245.

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Four novel xanthohumol (XN) cocrystals with pharmaceutically acceptable coformers, such as nicotinamide (NIC), glutarimide (GA), acetamide (AC), and caffeine (CF) in the 1:1 stoichiometry were obtained by the slow evaporation solution growth technique. The structure of the cocrystals was determined by single crystal X-ray diffraction. The analysis of packing and interactions in the crystal lattice revealed that molecules in the target cocrystals were packed into almost flat layers, formed by the O–HO, O–HN, and N–HO-type contacts between the xanthohumol and coformer molecules. The results prov
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Wang, Feng-Yuan, Qi Zhang, Zaiyong Zhang, Xiaoyi Gong, Jian-Rong Wang, and Xuefeng Mei. "Solid-state characterization and solubility enhancement of apremilast drug–drug cocrystals." CrystEngComm 20, no. 39 (2018): 5945–48. http://dx.doi.org/10.1039/c8ce00689j.

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Liu, Lili, Chenguang Wang, Jiangnan Dun, Albert H. L. Chow, and Changquan Calvin Sun. "Lack of dependence of mechanical properties of baicalein cocrystals on those of the constituent components." CrystEngComm 20, no. 37 (2018): 5486–89. http://dx.doi.org/10.1039/c8ce00787j.

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8

Verdugo-Escamilla, Cristóbal, Carolina Alarcón-Payer, Antonio Frontera, et al. "Interconvertible Hydrochlorothiazide–Caffeine Multicomponent Pharmaceutical Materials: A Solvent Issue." Crystals 10, no. 12 (2020): 1088. http://dx.doi.org/10.3390/cryst10121088.

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The design of new multicomponent pharmaceutical materials that involve different active pharmaceutical ingredients (APIs), e.g., drug-drug cocrystals, is a novel and interesting approach to address new therapeutic challenges. In this work, the hydrochlorothiazide-caffeine (HCT–CAF) codrug and its methanol solvate have been synthesized by mechanochemical methods and thoroughly characterized in the solid state by powder and single crystal X-ray diffraction, respectively, as well as differential scanning calorimetry, thermogravimetric analyses and infrared spectroscopy. In addition, solubility an
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Aitipamula, Srinivasulu, Joseph Cadden, and Pui Shan Chow. "Cocrystals of zonisamide: physicochemical characterization and sustained release solid forms." CrystEngComm 20, no. 21 (2018): 2923–31. http://dx.doi.org/10.1039/c8ce00084k.

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A multi-API cocrystal containing two anti-obesity drugs, zonisamide and caffeine, was found to be promising for the development of a sustained release fixed-dose combination drug for the treatment of obesity.
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10

Leyssens, T., N. Tumanova, K. Robeyns, N. Candoni, and S. Veesler. "Solution cocrystallization, an effective tool to explore the variety of cocrystal systems: caffeine/dicarboxylic acid cocrystals." CrystEngComm 16, no. 41 (2014): 9603–11. http://dx.doi.org/10.1039/c4ce01495b.

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Dissertations / Theses on the topic "Caffeine cocrystals"

1

Mukherjee, Sreya. "Crystal Engineering of Pharmaceutical Cocrystals." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3258.

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Pharmaceutical cocrystals use principles of crystal engineering for the design of crystalline forms of drugs and can improve their solubility, bioavailability, stability and other important properties without changing the efficacy of the drug. Herein reported are pharmaceutical cocrystals of two API's, caffeine and Pentoxifylline. Research has indicated that caffeine has the ability to reverse AB; plaque deposition in the brain (believed to be the primary cause of Alzheimer's pathogenesis) and thus revert memory and improve cognitive impairment. But owing to the fast absorption rate and short
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2

Alsirawan, M. B., X. Lai, R. Prohens, et al. "Solid-State Competitive Destabilization of Caffeine Malonic Acid cocrystal: Mechanistic and Kinetic Investigation." American Chemical Society, 2020. http://hdl.handle.net/10454/18305.

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Yes<br>The main objective of this research is to investigate solid-state destabilization mechanism and kinetics of the model cocrystal caffeine : malonic acid (CA:MO) in presence of oxalic acid (OX) as a structural competitor. Competitive destabilization of CA:MO and subsequent formation of CA:OX takes place at temperatures significantly below its melting point. Destabilization mechanism was found to be mediated by sublimation of both CA:MO and OX. During CA:MO destabilization, free CA could not be detected and direct transformation to CA:OX cocrystal was observed. The destabilization kinetics
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3

Mishra, M. K., K. Mishra, Aditya N. Narayan, C. M. Reddy, and Venu R. Vangala. "Structural Basis for Mechanical Anisotropy in Polymorphs of Caffeine-Glutaric Acid Cocrystal." American Chemical Society, 2020. http://hdl.handle.net/10454/18037.

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Yes<br>Insights into structure–mechanical property correlations in molecular and multicomponent crystals have recently attracted significant attention owing to their practical applications in the pharmaceutical and specialty fine chemicals manufacturing. In this contribution, we systematically examine the mechanical properties of dimorphic forms, Forms I and II of 1:1 caffeine-glutaric acid cocrystal on multiple faces using nanoindentation to fully understand their mechanical anisotropy and mechanical stability under applied load. Higher hardness, H, and elastic modulus, E, of stable Form II h
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Alsirawan, M. H. D. Bashir, Venu R. Vangala, John Kendrick, Frank J. J. Leusen, and Anant R. Paradkar. "Coformer Replacement as an Indicator for Thermodynamic Instability of Cocrystals: Competitive Transformation of Caffeine:Dicarboxylic Acid." 2016. http://hdl.handle.net/10454/8401.

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yes<br>The thermodynamic stability of caffeine (CA) cocrystals with dicarboxylic acids (DAs) as coformers was investigated in the presence of a range of structurally related dicarboxylic acids (SRDs). Two experimental conditions (slurry and dry-grinding) were studied for mixing the cocrystal and the SRD additive. The additives oxalic, malonic and glutaric acid led to the replacement of the acid coformer for certain cocrystals. Interestingly, a change in stoichiometry was observed for the CA:maleic acid system. A stability order among the cocrystals was established depending on their tendency t
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5

Aher, Suyog, Ravindra S. Dhumal, K. R. Mahadik, J. Ketolainen, and Anant R. Paradkar. "Effect of cocrystallization techniques on compressional properties of caffeine/oxalic acid 2:1 cocrystal." 2013. http://hdl.handle.net/10454/10107.

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No<br>Caffeine/oxalic acid 2:1 cocrystal exhibited superior stability to humidity over caffeine, but compressional behavior is not studied yet. To compare compressional properties of caffeine/oxalic acid 2:1 cocrystal obtained by different cocrystallization techniques. Cocrystal was obtained by solvent precipitation and ultrasound assisted solution cocrystallization (USSC) and characterized by X-ray powder diffraction and scanning electron microscopy. Compaction study was carried out at different compaction forces. Compact crushing strength, thickness and elastic recovery were determined. Comp
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6

Chow, P. S., G. Lau, W. K. Ng, and Venu R. Vangala. "Stability of Pharmaceutical Cocrystal During Milling: A Case Study of 1:1 Caffeine-Glutaric Acid." 2017. http://hdl.handle.net/10454/12360.

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yes<br>Despite the rising interest in pharmaceutical cocrystals in the past decade, there is a lack of research in the solid processing of cocrystals downstream to crystallization. Mechanical stress induced by unit operations such as milling could affect the integrity of the material. The purpose of this study is to investigate the effect of milling on pharmaceutical cocrystal and compare the performance of ball mill and jet mill, using caffeine-glutaric acid (1:1) cocrystal as the model compound. Our results show that ball milling induced polymorphic transformation from the stable Form II
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7

Ketkar, S. S., Sudhir K. Pagire, N. R. Goud, K. R. Mahadik, A. Nangia, and Anant R. Paradkar. "Tracing the architecture of caffeic acid phenethyl ester cocrystals: studies on crystal structure, solubility, and bioavailability implications." 2016. http://hdl.handle.net/10454/8911.

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Yes<br>Caffeic acid phenethyl ester (CAPE) is a polyphenolic active compound present in popular apiproduct, ‘propolis’ obtained from beehives. Though it has broad therapeutic capability, the bioavailability of CAPE is limited due to poor solubility. In this study, we report novel cocrystals of CAPE engineered using coformers such as caffeine (CAF), isonicotinamide (INIC), nicotinamide (NIC) with enhanced solubility and bioavailability of CAPE. The cocrystals were prepared by microwave-assisted cocrystallization and characterized using PXRD, DSC and Raman spectroscopy. PXRD and DSC confirm the
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