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Alishahi M, Aboelkheir M, Chowdhury R, Altier C, Shen H, Uyar T. Functionalization of cotton nonwoven with cyclodextrin/lawsone inclusion complex nanofibrous coating for antibacterial wound dressing. Int J Pharm 2024; 652:123815. [PMID: 38242260 DOI: 10.1016/j.ijpharm.2024.123815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 01/21/2024]
Abstract
Functionalizing cotton to induce biological activity is a viable approach for developing wound dressing. This study explores the development of cotton-based wound dressing through coating with biologically active nanofibers. Bioactive compounds like lawsone offer dual benefits of wound healing and infection prevention, however, their limited solubility and viability hinder their applications. To address this, Hydroxypropyl-beta-cyclodextrin (HP-β-CD) and Hydroxypropyl-gamma-cyclodextrin (HP-γ-CD) were employed. Inclusion complexations of CD/lawsone were achieved at 2:1 and 4:1 M ratios, followed by the fabrication of CD/lawsone nanofibrous systems via electrospinning. Phase solubility studies indicated a twofold increase in lawsone water-solubility with HP-β-CD. Electrospinning yielded smooth and uniform nanofibers with an average diameter of ∼300-700 nm. The results showed that while specific crystalline peaks of lawsone are apparent in the samples with a 2:1 M ratio, they disappeared in 4:1, indicating complete complexation. The nanofibers exhibited ∼100 % loading efficiency of lawsone and its rapid release upon dissolution. Notably, antibacterial assays demonstrated the complete elimination of Escherichia coli and Staphylococcus aureus colonies. The CD/lawsone nanofibers also showed suitable antioxidant activity ranging from 50 % to 70 %. This integrated approach effectively enhances lawsone's solubility through CD complexation and offers promise for bilayer cotton-based wound dressings.
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Affiliation(s)
- Mohsen Alishahi
- Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, United States
| | - Mahmoud Aboelkheir
- Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, United States
| | - Rimi Chowdhury
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, United States
| | - Craig Altier
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, United States
| | | | - Tamer Uyar
- Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, United States.
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Celebioglu A, Dash K, Aboelkheir M, Kilic ME, Durgun E, Uyar T. Formulation of a fast-disintegrating drug delivery system from cyclodextrin/naproxen inclusion complex nanofibrous films. RSC Med Chem 2024; 15:595-606. [PMID: 38389869 PMCID: PMC10880899 DOI: 10.1039/d3md00557g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/17/2023] [Indexed: 02/24/2024] Open
Abstract
Naproxen is a well-known non-steroidal anti-inflammatory drug (NSAID) that suffers from limited water solubility. The inclusion complexation with cyclodextrin (CD) can eliminate this drawback and the free-standing nanofibrous film (NF) generated from these inclusion complexes (ICs) can be a promising alternative formula as an orally disintegrating drug delivery system. For this, naproxen/CD IC NFs were generated using the highly water soluble hydroxypropylated derivative of βCD (HPβCD) with two different molar ratios of 1/1 and 1/2 (drug/CD). The complexation energy calculated by the modeling study demonstrated a more favorable interaction between HPβCD and naproxen for the 1/2 molar ratio than 1/1. HPβCD/naproxen IC NFs were generated with loading concentrations of ∼7-11% and without using toxic chemicals. HPβCD/naproxen IC NFs indicated a faster and enhanced release profile in aqueous medium compared to pure naproxen owing to inclusion complexation. Moreover, rapid disintegration in less than a second was achieved in an artificial saliva environment.
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Affiliation(s)
- Asli Celebioglu
- Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University Ithaca NY 14853 USA
| | - Kareena Dash
- Biological Sciences, College of Arts and Sciences, Cornell University Ithaca NY 14853 USA
| | - Mahmoud Aboelkheir
- Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University Ithaca NY 14853 USA
| | - Mehmet E Kilic
- Computational Science Research Center, Korea Institute of Science and Technology Seoul 02792 Republic of Korea
| | - Engin Durgun
- UNAM-National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology, Bilkent University Ankara 06800 Turkey
| | - Tamer Uyar
- Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University Ithaca NY 14853 USA
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Kraszni M, Balogh B, Mándity I, Horváth P. Advantages of Induced Circular Dichroism Spectroscopy for Qualitative and Quantitative Analysis of Solution-Phase Cyclodextrin Host-Guest Complexes. Int J Mol Sci 2023; 25:412. [PMID: 38203583 PMCID: PMC10779089 DOI: 10.3390/ijms25010412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
The presence of a chiral or chirally perturbed chromophore in the molecule under investigation is a fundamental requirement for the appearance of a circular dichroism (CD) spectrum. For native and for most of the substituted cyclodextrins, this condition is not applicable, because although chiral, cyclodextrins lack a chromophore group and therefore have no characteristic CD spectra over 220 nm. The reason this method can be used is that if the guest molecule has a chromophore group and this is in the right proximity to the cyclodextrin, it becomes chirally perturbed. As a result, the complex will now provide a CD signal, and this phenomenon is called induced circular dichroism (ICD). The appearance of the ICD spectrum is clear evidence of the formation of the complex, and the spectral sign and intensity is a good predictor of the structure of the complex. By varying the concentration of cyclodextrin, the ICD signal changes, resulting in a saturation curve, and from these data, the stability constant can be calculated for a 1:1 complex. This article compares ICD and NMR spectroscopic and molecular modeling results of cyclodextrin complexes of four model compounds: nimesulide, fenbufen, fenoprofen, and bifonazole. The results obtained by the different methods show good agreement, and the structures estimated from the ICD spectra are supported by NMR data and molecular modeling.
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Affiliation(s)
- Márta Kraszni
- Department of Pharmaceutical Chemistry, Semmelweis University, Hőgyes Endre utca 9, 1092 Budapest, Hungary;
| | - Balázs Balogh
- Department of Organic Chemistry, Semmelweis University, Hőgyes Endre utca 7, 1092 Budapest, Hungary; (B.B.); (I.M.)
| | - István Mándity
- Department of Organic Chemistry, Semmelweis University, Hőgyes Endre utca 7, 1092 Budapest, Hungary; (B.B.); (I.M.)
| | - Péter Horváth
- Department of Pharmaceutical Chemistry, Semmelweis University, Hőgyes Endre utca 9, 1092 Budapest, Hungary;
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Khlifi S, Yao S, Falaise C, Bauduin P, Guérineau V, Leclerc N, Haouas M, Salmi-Mani H, Roger P, Cadot E. Switchable Redox and Thermo-Responsive Supramolecular Polymers Based on Cyclodextrin-Polyoxometalate Tandem. Chemistry 2023:e202303815. [PMID: 38146753 DOI: 10.1002/chem.202303815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/17/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023]
Abstract
Supramolecular polymers built from stimuli-responsive host-guest interactions represent an attractive way of tailoring smart materials. Herein, we exploit the chaotropic effect of polyoxometalates and related host-guest properties to design unconventional polymer systems with reversible redox and thermo-responsive sol-gel transition. These supramolecular networks result from the association of cyclodextrin-based oligomers and Keggin-type POMs acting as electro-active crosslinking agents. The structure and the dynamics of such self-assembly systems have been investigated using a multiscale approach involving MALDI-TOF, viscosity measurements, cyclic voltammetry, 1 H-NMR (1D and DOSY), and Small-Angle X-ray Scattering. Our results reveal that the chaotropic effect corresponds to a powerful and efficient force that can be used to induce responsiveness in hybrid supramolecular oligomeric systems.
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Affiliation(s)
- Soumaya Khlifi
- Institut Lavoisier de Versailles, CNRS UMR 8180, UVSQ, Université Paris-Saclay, 78035, Versailles Cedex, France
| | - Sa Yao
- Institut Lavoisier de Versailles, CNRS UMR 8180, UVSQ, Université Paris-Saclay, 78035, Versailles Cedex, France
| | - Clément Falaise
- Institut Lavoisier de Versailles, CNRS UMR 8180, UVSQ, Université Paris-Saclay, 78035, Versailles Cedex, France
| | - Pierre Bauduin
- Institut de Chimie Séparative de Marcoule, CNRS UMR 5257, CEA, Université de Marcoule, ENSCM, F-30207, Bagnols sur Cèze Cedex, France
| | - Vincent Guérineau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Saclay, 91198, Gif-sur-Yvette Cedex, France
| | - Nathalie Leclerc
- Institut Lavoisier de Versailles, CNRS UMR 8180, UVSQ, Université Paris-Saclay, 78035, Versailles Cedex, France
| | - Mohamed Haouas
- Institut Lavoisier de Versailles, CNRS UMR 8180, UVSQ, Université Paris-Saclay, 78035, Versailles Cedex, France
| | - Hanene Salmi-Mani
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, 91405, Orsay Cedex, France
| | - Philippe Roger
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, 91405, Orsay Cedex, France
| | - Emmanuel Cadot
- Institut Lavoisier de Versailles, CNRS UMR 8180, UVSQ, Université Paris-Saclay, 78035, Versailles Cedex, France
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