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Haimhoffer Á, Vas A, Árvai G, Fenyvesi É, Jicsinszky L, Budai I, Bényei A, Regdon G, Rusznyák Á, Vasvári G, Váradi J, Bácskay I, Vecsernyés M, Fenyvesi F. Investigation of the Drug Carrier Properties of Insoluble Cyclodextrin Polymer Microspheres. Biomolecules 2022; 12:biom12070931. [PMID: 35883488 PMCID: PMC9313285 DOI: 10.3390/biom12070931] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/18/2022] [Accepted: 06/28/2022] [Indexed: 01/27/2023] Open
Abstract
The investigation of the usability of solid insoluble β-cyclodextrin polymers (βCDP) in micro-sized, controlled drug delivery systems has only recently attracted interest. Our aim was to form complexes with poorly soluble active pharmaceutical ingredients (APIs) with two types of βCDP for drug delivery applications. Solid insoluble cyclodextrin polymer of irregular shape (βCDPIS) and cyclodextrin microbeads (βCDPB) were used in the experiments. Morphology, surface area, size distribution and swelling capacity of carriers were investigated. We created complexes with two APIs, curcumin and estradiol, and applied powder X-ray diffraction, FTIR and thermal analysis (TGA/DSC) to prove the complexation. Finally, the dissolution, biocompatibility and permeation of APIs on Caco-2 cells were investigated. The size of the beads was larger than 100 µm, their shape was spherical and surfaces were smooth; while the βCDPIS particles were around 4 µm with irregular shape and surface. None of the polymers showed any cytotoxic effect on Caco-2 cells. Both carriers were able to extract curcumin and estradiol from aqueous solutions, and the dissolution test showed prolonged estradiol release. Caco-2 permeability tests were in accordance with the complexation abilities and dissolution of the complexes. This study offers useful data for further pharmaceutical applications of insoluble cyclodextrin polymers.
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Affiliation(s)
- Ádám Haimhoffer
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, H-4032 Debrecen, Hungary
- Institute of Healthcare Industry, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Alexandra Vas
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
| | - Gabriella Árvai
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
| | - Éva Fenyvesi
- Cyclolab Cyclodextrin R & D Laboratory Ltd., Illatos St. 7, H-1097 Budapest, Hungary;
| | - László Jicsinszky
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Turin, Italy;
| | - István Budai
- Faculty of Engineering, University of Debrecen, Ótemető Street 2-4, H-4028 Debrecen, Hungary;
| | - Attila Bényei
- Department of Physical Chemistry, University of Debrecen, Egyetem Sqr. 1, H-4032 Debrecen, Hungary;
| | - Géza Regdon
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary;
| | - Ágnes Rusznyák
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, H-4032 Debrecen, Hungary
- Institute of Healthcare Industry, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Gábor Vasvári
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
| | - Judit Váradi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
| | - Ildikó Bácskay
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
- Institute of Healthcare Industry, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Miklós Vecsernyés
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
| | - Ferenc Fenyvesi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary; (Á.H.); (A.V.); (G.Á.); (Á.R.); (G.V.); (J.V.); (I.B.); (M.V.)
- Correspondence:
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Shabtai IA, Mishael YG. Polycyclodextrin-Clay Composites: Regenerable Dual-Site Sorbents for Bisphenol A Removal from Treated Wastewater. ACS APPLIED MATERIALS & INTERFACES 2018; 10:27088-27097. [PMID: 30036466 DOI: 10.1021/acsami.8b09715] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The greatest challenge of wastewater treatment is the removal of trace concentrations of persistent micropollutants in the presence of the high concentration of effluent organic matter (EfOM). Micropollutant removal by sorbents is a common practice, but sorbent employment is often limited because of fouling induced by EfOM and challenging sorbent regeneration. We directly addressed these two issues by designing regenerable dual-site composite sorbents based on polymerized β-cyclodextrin, modified with a cationic group (pCD+) and adsorbed to montmorillonite (pCD+-MMT). This dual-site composite was tailored to simultaneously target an emerging micropollutant, bisphenol A (BPA), through inclusion in β-cyclodextrin cavities and target anionic EfOM compounds, through electrostatic interactions. The removal of BPA from treated wastewater by the composite was not compromised despite the high removal of EfOM. The composites outperformed many recently reported sorbents. Differences in composite performance was discussed in terms of their structures, as characterized with TGA, XRD, BET and SEM. The simultaneous filtration of BPA and EfOM from wastewater by pCD+-MMT columns was demonstrated. Furthermore, successful in-column regeneration was obtained by selectively eluting EfOM and BPA, with brine and alkaline solutions, respectively. Finally, the composites removed trace concentrations of numerous high priority micropollutants from treated wastewater more efficiently than commercial activated carbon. This study highlights the potential to design novel dual-site composites as selective and regenerable sorbents for advanced wastewater treatment.
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Affiliation(s)
- Itamar A Shabtai
- Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment , Hebrew University of Jerusalem , Rehovot 7610001 , Israel
| | - Yael G Mishael
- Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment , Hebrew University of Jerusalem , Rehovot 7610001 , Israel
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Wang D, Jia M, Wang L, Song S, Feng J, Zhang X. Chitosan and β-Cyclodextrin-epichlorohydrin Polymer Composite Film as a Plant Healthcare Material for Carbendazim-Controlled Release to Protect Rape against Sclerotinia sclerotiorum (Lib.) de Bary. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E343. [PMID: 28772703 PMCID: PMC5506932 DOI: 10.3390/ma10040343] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 03/10/2017] [Accepted: 03/22/2017] [Indexed: 11/16/2022]
Abstract
The influence of β-cyclodextrin-epichlorohydrin (β-CD-EP) polymers on the improvement of the solubility and antifungal activity of carbendazim has been investigated. Meanwhile, the potential of the chitosan and β-CD-EP composite film used as a plant healthcare material for carbendazim-controlled release to protect rape against Sclerotinia sclerotiorum (Lib.) de Bary has been evaluated. β-CD-EP-1 and 2 (β-CD content, 750 mg/g and 440 mg/g, respectively) were found to significantly improve the solubility of the guest molecule carbendazim (17.9 and 18.5 times, respectively) and the 1:1 stoichiometry of the host-guest was confirmed by the Job's plot. A slight synergism was observed for the β-CD-EP/carbendazim complex against S. sclerotiorum (Lib.) de Bary, indicating an enhancement to the bioavailability of carbendazim. The in vitro release studies revealed that β-CD-EP polymers could efficiently modulate carbendazim release behaviors, such as the release retard and rate. The in vivo efficacy experiments demonstrated that the β-CD-EP/carbendazim and chitosan composite film could significantly prolong the effective duration of carbendazim at a concentration of 100 μg/mL compared with spraying carbendazim at 500 μg/mL. Thereby, a highly useful and strategic concept in plant disease control by a plant healthcare material-the chitosan and polymeric β-CD-EP composite film-is provided, which could also serve as a concept for related plant diseases.
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Affiliation(s)
- Delong Wang
- Research and Development Center of Biorational Pesticide, Shaanxi Research Center of Biopesticide Engineering & Technology, Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Northwest A & F University, Yangling 712100, Shaanxi, China.
| | - Mingchen Jia
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.
| | - Lanying Wang
- College of Environment and Plant Protection, Hainan University, Haikou 570228, Hainan, China.
| | - Shuang Song
- Research and Development Center of Biorational Pesticide, Shaanxi Research Center of Biopesticide Engineering & Technology, Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Northwest A & F University, Yangling 712100, Shaanxi, China.
| | - Juntao Feng
- Research and Development Center of Biorational Pesticide, Shaanxi Research Center of Biopesticide Engineering & Technology, Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Northwest A & F University, Yangling 712100, Shaanxi, China.
| | - Xing Zhang
- Research and Development Center of Biorational Pesticide, Shaanxi Research Center of Biopesticide Engineering & Technology, Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Northwest A & F University, Yangling 712100, Shaanxi, China.
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Chen QY, Xiao JB, Chen XQ, Jiang XY, Yu HZ, Xu M. The Adsorption of Phenol, m-Cresol and m-Catechol on a β-Cyclodextrin Derivative-Grafted Chitosan and the Removal of Phenols from Industrial Wastewater. ADSORPT SCI TECHNOL 2016. [DOI: 10.1260/026361706780810230] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Qi Yuan Chen
- College of Chemistry and Chemical Engineering, Central South University, Hunan Changsha 410083, P. R. China
| | - Jian Bo Xiao
- College of Chemistry and Chemical Engineering, Central South University, Hunan Changsha 410083, P. R. China
| | - Xiao Qing Chen
- College of Chemistry and Chemical Engineering, Central South University, Hunan Changsha 410083, P. R. China
| | - Xin Yu Jiang
- College of Chemistry and Chemical Engineering, Central South University, Hunan Changsha 410083, P. R. China
| | - Hong Zhu Yu
- College of Chemistry and Chemical Engineering, Central South University, Hunan Changsha 410083, P. R. China
| | - Ming Xu
- Research Institute for Molecular Pharmacology and Therapeutics, Central South University, Changsha 410083, P. R. China
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York 10021, U.S.A
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