Water admixture triggers the self-assembly of the glycyl-glycine thin film at the presence of organic vapors

Morozova, A. S.; Ziganshina, S. A.; Kudryavtseva, E.O.; Kurbatova, N.V.; Savostina, L. I.; Бухараев, А. А.; Зиганшин, Марат А.

doi:10.1016/j.colsurfa.2022.129541

Cited by 5 publications

(2 citation statements)

References 51 publications

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“…It is unfortunate that we could not obtain the pure DMSO solvate phase in order to research its desolvation process. It is possible that this was because DMSO contains an amount of water sufficient to affect the crystallization process [32,33]. Based on the MFRDS results, a better method would involve the pure solvate.…”

Section: Poor Repeatability Of Form I and Dmso Solvatementioning

confidence: 99%

Crystallization Selectivity of Ribavirin Solution and Amorphous Phase

Li,

Chen,

et al. 2023

Molecules

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Crystallization selectivity is an important principle in polymorph control. Ribavirin Form I, Form II, DMSO solvate, and amorphous ribavirin are prepared, and the short-range order similarities between these solid forms and ribavirin aqueous solution and DMSO solution are compared via mid-frequency Raman difference spectra (MFRDS). The crystallization process from amorphous ribavirin to Form I and from solution to amorphous phase is explained. Reasons for the difficulty in preparing the DMSO solvate are proposed. The rationale provided for the crystallization selectivity provides a foundation for the synthesis of metastable phases with a robust and convenient method.

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Section: Poor Repeatability Of Form I and Dmso Solvatementioning

confidence: 99%

Crystallization Selectivity of Ribavirin Solution and Amorphous Phase

Li,

Chen,

et al. 2023

Molecules

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“…The special properties of small cyclic dipeptides are related to their ability to form networks of intermolecular hydrogen bonds. These aggregates of cyclic dipeptides that form due to hydrogen bonds can lead to the formation of micro- and nanostructures, which are widely used for practically important tasks [ 4 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

The Solvation Effect of C=O Group of Cyclic Anhydrides in Solution

Rakipov

Akhmadiyarov

Petrov

et al. 2023

IJMS

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The paper reports the results of investigation intermolecular interactions between alanine and sarcosine anhydride in organic solvents. The absorption frequencies of cyclic dipeptide in solvents were measured by IR spectroscopy. The effect of Van der Waals interactions and the hydrogen bonding of solvents on absorption frequencies of the C=O group of anhydrides was discussed. The spectroscopic parameters for C=O∙∙∙H-O hydrogen bonding complexes of anhydride with methanol in aprotic and proton donor solvent are obtained. In multi-particle complexes of dipeptides with aliphatic alcohols, the hydrogen bond enhancement was between 10 and 16%, which is significantly lower than it is for amide complexes.

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