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Journal articles on the topic 'ΒCD'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Hotarat, Wiparat, Bodee Nutho, Peter Wolschann, Thanyada Rungrotmongkol, and Supot Hannongbua. "Delivery of Alpha-Mangostin Using Cyclodextrins through a Biological Membrane: Molecular Dynamics Simulation." Molecules 25, no. 11 (2020): 2532. http://dx.doi.org/10.3390/molecules25112532.

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α-Mangostin (MGS) exhibits various pharmacological activities, including antioxidant, anticancer, antibacterial, and anti-inflammatory properties. However, its low water solubility is the major obstacle for its use in pharmaceutical applications. To increase the water solubility of MGS, complex formation with beta-cyclodextrins (βCDs), particularly with the native βCD and/or its derivative 2,6-dimethyl-β-CD (DMβCD) is a promising technique. Although there have been several reports on the adsorption of βCDs on the lipid bilayer, the release of the MGS/βCDs inclusion complex through the biologic

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2

Mahalapbutr, Wonganan, Charoenwongpaiboon, Prousoontorn, Chavasiri та Rungrotmongkol. "Enhanced Solubility and Anticancer Potential of Mansonone G By β-Cyclodextrin-Based Host-Guest Complexation: A Computational and Experimental Study". Biomolecules 9, № 10 (2019): 545. http://dx.doi.org/10.3390/biom9100545.

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Mansonone G (MG), a plant-derived compound isolated from the heartwood of Mansonia gagei, possesses a potent antitumor effect on several kinds of malignancy. However, its poor solubility limits the use for practical applications. Beta-cyclodextrin (βCD), a cyclic oligosaccharide composed of seven (1→4)-linked α-D-glucopyranose units, is capable of encapsulating a variety of poorly soluble compounds into its hydrophobic interior. In this work, we aimed to enhance the water solubility and the anticancer activity of MG by complexation with βCD and its derivatives (2,6-di-O-methyl-βCD (DMβCD) and

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3

Martin-Trasanco, Rudy, Hilda Esparza-Ponce, Pedro Ortiz та ін. "In-Situ Preparation of CdTe Quantum Dots Capped with a β-Cyclodextrin-Epichlorohydrin Polymer: Polymer Influence on the Nanocrystal’s Optical Properties". Nanomaterials 8, № 11 (2018): 948. http://dx.doi.org/10.3390/nano8110948.

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β-Cyclodextrin (βCD), the less water soluble of the cyclodextrins, has been used as a capping agent in the preparation of semiconductor nanocrystals or quantum dots (QDs). Nevertheless, no reports have been found in the use of the highly water-soluble polymer of this, prepared by the crosslinking of the βCD units with epichlorohydrin in basic medium (βCDP). This polymer, besides to overcome the low solubility of the βCD, increases the inclusion constant of the guest; two parameters that deserve its use as capping agent, instead of the native cyclodextrin. In the present manuscript, we afforded

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4

Charoenwongpaiboon, Thanapon, Amy Oo, Sutita Nasoontorn, Thanyada Rungrotmongkol, Somdej Kanokmedhakul та Panupong Mahalapbutr. "Aurisin A Complexed with 2,6-Di-O-methyl-β-cyclodextrin Enhances Aqueous Solubility, Thermal Stability, and Antiproliferative Activity against Lung Cancer Cells". International Journal of Molecular Sciences 23, № 17 (2022): 9776. http://dx.doi.org/10.3390/ijms23179776.

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Aurisin A (AA), an aristolane dimer sesquiterpene isolated from the luminescent mushroom Neonothopanus nambi, exhibits various biological and pharmacological effects. However, its poor solubility limits its use for further medicinal applications. This study aimed to improve the water solubility of AA via complexation with β-cyclodextrin (βCD) and its derivatives (2,6-di-O-methyl-βCD (DMβCD) and 2-hydroxypropyl-βCD (HPβCD). A phase solubility analysis demonstrated that the solubility of AA linearly enhanced with increasing concentrations of βCDs (ranked in the order of AA/DMβCD > AA/HPβCD &g

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5

Litwiler, Kevin S., та Frank V. Bright. "Investigation of β-Cyclodextrin Immobilized at Silica Surfaces by Fluorescence Spectroscopy". Applied Spectroscopy 46, № 1 (1992): 169–75. http://dx.doi.org/10.1366/0003702924444380.

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Steady-state and frequency-domain fluorescence spectroscopy are used to study the inclusion complexation of six anilinonaphthalene sulfonates (ANSs) with silica-immobilized beta-cyclodextrin (βCD). To fit the experimental data, we compared several modified Lorentzian lifetime distribution models. However, in all cases studied, a simple unimodal Lorentzian distribution best fit the fluorescence decay kinetics. The recovered distribution shapes did not change substantially as the surface was titrated with ANS; however, subtle trends suggest that silica-immobilized βCDs in more hydrophobic enviro

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6

Saokham, Phennapha, Kanokporn Burapapadh, Narumon Changsan та Chutima Sinsuebpol. "Preparation and Characterization of Orodispersible Films Loaded Diclofenac Sodium/β-Cyclodextrin Inclusion Complexes". Key Engineering Materials 901 (8 жовтня 2021): 86–91. http://dx.doi.org/10.4028/www.scientific.net/kem.901.86.

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Orodispersible films (ODFs) is orally pharmaceutical dosage form that rapidly disintegrates and instantly releases the drug when placed on the tongue. This study was firstly aimed to investigate physicomechanical properties of ODFs containing diclofenac sodium/β-cyclodextrin (DS/βCD) inclusion complexes prepared by solvent casting method. The influence of plasticizer, βCD and DS on hydroxypropyl metlhycellulose (HPMC) film was studied. Increasing of plasticizer concentration (e.g. PEG400 amd glycerol) resulted in decrement of disintegration time, strength and elasticity of HPMC films. When βCD

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7

Sorroza-Martínez, Kendra, Israel González-Méndez, Mireille Vonlanthen та ін. "First Class of Phosphorus Dendritic Compounds Containing β-Cyclodextrin Units in the Periphery Prepared by CuAAC". Molecules 25, № 18 (2020): 4034. http://dx.doi.org/10.3390/molecules25184034.

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A new class of phosphorus dendritic compounds (PDCs) having a cyclotriphosphazene (P3N3) core and decorated with six β-cyclodextrin (βCD) units, named P3N3-[O-C6H4-O-(CH2)n-βCD]6, where n = 3 or 4 was designed, and the synthesis was performed using copper (I) catalyzed alkyne-azide cycloaddition (CuAAC). To obtain the complete substitution of the P3N3, two linkers consisting of an aromatic ring and an aliphatic chain of two different lengths were assessed. We found that, with both linkers, the total modification of the periphery was achieved. The two new obtained dendritic compounds presented

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8

Anne, J. M., Y. H. Boon, B. Saad та ін. "β-Cyclodextrin conjugated bifunctional isocyanate linker polymer for enhanced removal of 2,4-dinitrophenol from environmental waters". Royal Society Open Science 5, № 8 (2018): 180942. http://dx.doi.org/10.1098/rsos.180942.

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In this work, we reported the synthesis, characterization and adsorption study of two β-cyclodextrin (βCD) cross-linked polymers using aromatic linker 2,4-toluene diisocyanate (2,4-TDI) and aliphatic linker 1,6-hexamethylene diisocyanate (1,6-HDI) to form insoluble βCD-TDI and βCD-HDI. The adsorption of 2,4-dinitrophenol (DNP) on both polymers as an adsorbent was studied in batch adsorption experiments. Both polymers were well characterized using various tools that include Fourier transform infrared spectroscopy, thermogravimetric analysis, Brunauer–Emmett–Teller analysis and scanning electron

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9

Ma, Xue, Bo Yang, Yulin Zhao, Hudie Xie та Xiaoshun Gong. "Host–Guest Inclusion System of Scutellarin with Polyamine-β-Cyclodextrin: Preparation, Characterisation, and Anti-cancer Activity". Australian Journal of Chemistry 68, № 6 (2015): 946. http://dx.doi.org/10.1071/ch14495.

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The inclusion complexation behaviours of scutellarin (SCU) with four polyamine-modified β-cyclodextrins (NH2-βCD, EN-βCD, DETA-βCD, and TETA-βCD; EN = ethylenediamine; DETA = diethylenetriamine; TETA = triethylenetetramine) have been investigated in both solution and solid state by photoluminescence spectroscopy, 1H and two-dimensional NMR spectroscopy, thermogravimetric analysis, X-ray diffraction, and scanning electron microscopy. The results showed that, with the increase in the number of amino groups, the hosts polyamine-modified β-cyclodextrins (NH2-βCD, EN-βCD, DETA-βCD, TETA-βCD) were a

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10

Lv, Meiwen, Xiukang Wang, Noman Walayat та ін. "Role of Ovalbumin/β-Cyclodextrin in Improving Structural and Gelling Properties of Culter alburnus Myofibrillar Proteins during Frozen Storage". Applied Sciences 11, № 24 (2021): 11815. http://dx.doi.org/10.3390/app112411815.

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This study aimed to analyze the cryoprotective effect of a ovalbumin (OVA) and β-cyclodextrin (βCD) mixture (3:1, OVA/βCD) on the structure, rheology and gelling properties of myofibrillar proteins (MPs) during 90 days of frozen storage. A mixture of OVA/βCD at different concentrations (0, 2, 4, and 6%) was added to MPs and stored at −18 °C for 90 days. The addition of OVA/βCD significantly decreased the sulfhydryl contents while it increased the surface hydrophobicity, which was closely connected with tertiary structural changes. Circular dichroism analysis showed that the addition of OVA/βCD

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11

N.Tirumalesh, and K. P. R. Chowdary*. "ENHANCEMENT OF SOLUBILITY AND DISSOLUTION RATE OF TELMISARTAN EMPLOYING β-CYCLODEXTRIN AND SOLUPLUS – A FACTORIAL STUDY". Indo American Journal of Pharmaceutical Sciences 04, № 07 (2017): 2095–99. https://doi.org/10.5281/zenodo.835832.

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Telmisartan, a widely prescribed anti hypertensive drug belongs to class IΙ under BCS and exhibit low and variable oral bioavailability due to its poor aqueous solubility. Its oral absorption is dissolution rate limited and it requires enhancement in the solubility and dissolution rate for increasing its oral bioavailability. The objective of the study is to enhance the solubility and dissolution rate of Telmisartan by cyclodextrin complexation along with Soluplus and to evaluate the individual main effects and combined (or interaction) effects of β cyclodextrin (βCD) and surfactant (Soluplus)

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12

Behbehani, Gholamreza Rezaei, та Lyla Barzegar. "Thermal Study of Lysozyme Binding with β-Cyclodextrin". Applied Mechanics and Materials 110-116 (жовтень 2011): 1966–69. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.1966.

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Effects of β-cyclodextrin, βCD, on refolding of lysozyme was investigated at pH 12 employing isothermal titration calorimetry (ITC) at 300K in 30mM Tris buffer solution. βCD was employed as an anti-aggregation agent and the heats obtained for lysozyme+βCD interactions are reported and analyzed in terms of the extended solvation model. It was indicated that there are two sets of identical and non-cooperative sites for βCD.

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13

Souza, Michele Lemos de, Juan Carlos Otero та Isabel López-Tocón. "Comparative Performance of Citrate, Borohydride, Hydroxylamine and β-Cyclodextrin Silver Sols for Detecting Ibuprofen and Caffeine Pollutants by Means of Surface-Enhanced Raman Spectroscopy". Nanomaterials 10, № 12 (2020): 2339. http://dx.doi.org/10.3390/nano10122339.

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The detection of emerging contaminants in the aquatic environment, such as ibuprofen and caffeine, was studied by means of surface-enhanced Raman spectroscopy (SERS) using Ag nanoparticles (AgNPs) synthesized with β-cyclodextrin (βCD) as a reducing agent. The effect on the SERS signal of different molar ratios of Ag+/βCD in the synthesis route and the aging process of AgNPs were investigated by using trans-cinnamic as a test molecule. The SERS effectiveness of these β-cyclodextrin colloids (Ag@βCD) was also checked and compared with that of other silver sols usually employed in SERS synthesize

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14

Sorroza-Martínez, Kendra, Ignacio González-Sánchez, Raúl Villamil-Ramos та ін. "Using Poly(amidoamine) PAMAM-βCD Dendrimer for Controlled and Prolonged Delivery of Doxorubicin as Alternative System for Cancer Treatment". Pharmaceutics 16, № 12 (2024): 1509. http://dx.doi.org/10.3390/pharmaceutics16121509.

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Background/Objectives: Doxorubicin (Dox) is an anticancer drug used in the treatment of a wide range of solid tumors; however, Dox causes systemic toxicity and irreversible cardiotoxicity. The design of a new nanosystem that allows for the control of Dox loading and delivery results is a powerful tool to control Dox release only in cancer cells. For this reason, supramolecular self-assembly was performed between a poly(amidoamine) (PAMAM) dendrimer decorated with four β-cyclodextrin (βCD) units (PAMAM-βCD) and an adamantane–hydrazone–doxorubicin (Ad-h-Dox) prodrug. Methods: The formation of in

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15

Ferreira, Elayne, Walter da Silva Júnior, Jonas de Oliveira Pinheiro та ін. "Characterization and Antiproliferative Activity of a Novel 2-Aminothiophene Derivative-β-Cyclodextrin Binary System". Molecules 23, № 12 (2018): 3130. http://dx.doi.org/10.3390/molecules23123130.

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The novel 2-aminothiophene derivative 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile (6CN) has shown potential anti-proliferative activity in human cancer cell lines. However, the poor aqueous solubility of 6CN impairs its clinical use. This work aimed to develop binary 6CN-β-cyclodextrin (βCD) systems with the purpose of increasing 6CN solubility in water and therefore, to improve its pharmacological activity. The 6CN-βCD binary systems were prepared by physical mixing, kneading and rotary evaporation methods and further characterized by FTIR, XRD, DSC, TG and SEM. In addition, mo

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16

Souza, Gredson Keiff, André Gallo, Luiza Hauser Novicki та ін. "Inclusion Complex between Local Anesthetic/2-hydroxypropyl-β-cyclodextrin in Stealth Liposome". Molecules 27, № 13 (2022): 4170. http://dx.doi.org/10.3390/molecules27134170.

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The drugs delivery system in the treatment of diseases has advantages such as reduced toxicity, increased availability of the drug, etc. Therefore, studies of the supramolecular interactions between local anesthetics (LAs) butamben (BTB) or ropivacaine (RVC) complexed with 2-hydroxypropyl-β-cyclodextrin (HP-βCD) and carried in Stealth liposomal (SL) are performed. 1H-NMR nuclear magnetic resonance (DOSY and STD) were used as the main tools. The displacements observed in the 1H-NMR presented the complexion between LAs and HP-βCD. The diffusion coefficients of free BTB and RVC were 7.70 × 10−10

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17

Puguan, John Marc C., та Hern Kim. "Poly(vinyl alcohol) Membrane with Surface Immobilized β-Cyclodextrin Synthesis via Glutaraldehyde". Advanced Materials Research 622-623 (грудень 2012): 1774–78. http://dx.doi.org/10.4028/www.scientific.net/amr.622-623.1774.

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A novel cyclodextrin (CD) grafted polyvinyl alcohol (PVA) material has been synthesized. Beta-cyclodextrin (βCD) is chemically grafted into PVA via glutaraldehyde (GA) in acidic medium (HCl). The reaction mechanism and the membrane surface grafting are confirmed by Fourier Transform Infrared Spectroscopy (FTIR), modulus of elasticity and contact angle determination. An amount of PVA and βCD are dissolved in a pH 3 HCl solution at 90oC with continuous stirring. Glutaraldehyde was slowly added into the clear solution to effect grafting and crosslinking between the PVA and βCD. It was cooled and

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18

Maugeri, Ludovica, Giorgia Fangano, Ester Butera та ін. "Emissive Pentacene-Loaded βcyclodextrin-Derived C-Nanodots Exhibit Red-Light Triggered Photothermal Effect". Pharmaceutics 17, № 5 (2025): 543. https://doi.org/10.3390/pharmaceutics17050543.

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Background: The design of multifunctional carbon based nanosystems exhibiting light-triggered hyperthermia, emission, low cytotoxicity, and drug delivery capability is of significant interest in the area of nanomaterials. In this study, we present red-emitting and photothermal carbon nanodots (Cdots-βCD/PTC) obtained by the encapsulation of hydrophobic pentacene (PTC) within Carbon nanodots (Cdots) synthesized from beta-cyclodextrin (βCD). Methods: The prepared nanostructures were investigated in terms of morphology, size, and optical properties, by absorption and emission optical spectroscopy

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19

Giastas, Petros, Konstantina Yannakopoulou та Irene M. Mavridis. "Molecular structures of the inclusion complexes β-cyclodextrin–1,2-bis(4-aminophenyl)ethane and β-cyclodextrin–4,4′-diaminobiphenyl; packing of dimeric β-cyclodextrin inclusion complexes". Acta Crystallographica Section B Structural Science 59, № 2 (2003): 287–99. http://dx.doi.org/10.1107/s010876810300257x.

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The present investigation is part of an ongoing study on the influence of the long end-functonalized guest molecules DBA and BNZ in the crystal packing of β-cyclodextrin (βCD) dimeric complexes. The title compounds are 2:2 host:guest complexes showing limited host–guest hydrogen bonding at the primary faces of the βCD dimers. Within the βCD cavity the guests exhibit mutual π...π interactions and between βCD dimers perpendicular NH...π interactions. The DBA guest molecule exhibits one extended and two bent conformations in the complex. The BNZ guest molecule is not planar inside βCD, in contras

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20

González-Méndez, Israel, Kendra Sorroza-Martínez, Ignacio González-Sánchez та ін. "Exploring the Influence of Spacers in EDTA–β-Cyclodextrin Dendrimers: Physicochemical Properties and In Vitro Biological Behavior". International Journal of Molecular Sciences 24, № 19 (2023): 14422. http://dx.doi.org/10.3390/ijms241914422.

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The synthesis of a new family of ethylenediaminetetraacetic acid (EDTA) core dimers and G0 dendrimers end-capped with two and four β-cyclodextrin (βCD) moieties was performed by click-chemistry conjugation, varying the spacers attached to the core. The structure analyses were achieved in DMSO-d6 and the self-inclusion process was studied in D2O by 1H-NMR spectroscopy for all platforms. It was demonstrated that the interaction with adamantane carboxylic acid (AdCOOH) results in a guest-induced shift of the self-inclusion effect, demonstrating the full host ability of the βCD units in these new

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21

Liu, Manshuo, Rongqiang Liao, Yulin Zhao та Bo Yang. "Host–Guest Inclusion System of Luteolin with Polyamine-β-cyclodextrin: Preparation, Characterisation, Anti-oxidant and Anti-cancer Activity". Australian Journal of Chemistry 69, № 2 (2016): 174. http://dx.doi.org/10.1071/ch15194.

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The characterisation, inclusion complexation behaviours, and binding ability of inclusion complexes of luteolin (LU) with four polyamine-modified β-cyclodextrins (NH2-βCD, EN-βCD, DETA-βCD, TETA-βCD; where EN = ethylenediamine; DETA = diethylenediamine; TETA = triethylenetetramine) were investigated in both the solid and solution forms by photoluminescence spectroscopy, 1H and 2D NMR spectroscopy, differential scanning calorimetry, X-ray diffraction, and scanning electron microscopy. The results showed that the water solubility, and the anti-oxidant activity and anti-cancer activity of LU were

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22

El Haitami, Alae, Ana-Maria Resmerita, Laura Elena Ursu, Mihai Asandulesa, Sophie Cantin, and Aurica Farcas. "Novel Insight into the Photophysical Properties and 2D Supramolecular Organization of Poly(3,4-ethylenedioxythiophene)/Permodified Cyclodextrins Polyrotaxanes at the Air–Water Interface." Materials 16, no. 13 (2023): 4757. http://dx.doi.org/10.3390/ma16134757.

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Two poly(3,4-ethylenedioxythiophene) polyrotaxanes (PEDOT∙TMe-βCD and PEDOT∙TMe-γCD) end-capped by pyrene (Py) were synthesized by oxidative polymerization of EDOT encapsulated into TMe-βCD or TMe-γCD cavities with iron (III) chloride (FeCl3) in water and chemically characterized. The effect of TMe-βCD or TMe-γCD encapsulation of PEDOT backbones on the molecular weight, thermal stability, and solubility were investigated in depth. UV–vis absorption, fluorescence (FL), phosphorescence (PH), quantum efficiencies, and lifetimes in water and acetonitrile were also explored, together with their sur

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23

Farcas, Aurica, Giulia Tregnago, Ana-Maria Resmerita, Pierre-Henri Aubert, and Franco Cacialli. "Synthesis and photophysical characteristics of polyfluorene polyrotaxanes." Beilstein Journal of Organic Chemistry 11 (December 21, 2015): 2677–88. http://dx.doi.org/10.3762/bjoc.11.288.

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Two alternating polyfluorene polyrotaxanes (3·TM-βCD and 3·TM-γCD) have been synthesized by the coupling of 2,7-dibromofluorene encapsulated into 2,3,6-tri-O-methyl-β- or γ-cyclodextrin (TM-βCD, TM-γCD) cavities with 9,9-dioctylfluorene-2,7-diboronic acid bis(1,3-propanediol) ester. Their optical, electrochemical and morphological properties have been evaluated and compared to those of the non-rotaxane counterpart 3. The influence of TM-βCD or TM-γCD encapsulation on the thermal stability, solubility in common organic solvents, film forming ability was also investigated. Polyrotaxane 3·TM-βCD

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24

N.Tirumalesh*, and Chowdary K.P.R. "FORMULATION DEVELOPMENT AND OPTIMIZATION OF TELMISARTAN TABLETS EMPLOYING βCD STARCH 1500 AND SOLUPLUS". Indo American Journal of Pharmaceutical Sciences 04, № 06 (2017): 1630–35. https://doi.org/10.5281/zenodo.821064.

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The objective of the present study is optimization of telmisartan tablet formulation employing βCD, Starch 1500, and Soluplus by 2 3 factorial design to achieve NLT 85% dissolution in 10 min. Eight telmisartan tablet formulations were prepared using selected combinations of the three factors as per 23 factorial design. Telmisartan tablets were prepared by direct compression method and were evaluated. The individual and combined effects of the three factors, βCD, Starch 1500 and Soluplus are highly significant (P < 0.01) in influencing the dissolution rate of Telmisartan tablets.Telmisartan

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Yang, Huikang, Nianhua Wang, Ruimeng Yang, Liming Zhang та Xinqing Jiang. "Folic Acid-Decorated β-Cyclodextrin-Based Poly(ε-caprolactone)-dextran Star Polymer with Disulfide Bond-Linker as Theranostic Nanoparticle for Tumor-Targeted MRI and Chemotherapy". Pharmaceutics 14, № 1 (2021): 52. http://dx.doi.org/10.3390/pharmaceutics14010052.

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β-cyclodextrin(βCD)-based star polymers have attracted much interest because of their unique structures and potential biomedical and biological applications. Herein, a well-defined folic acid (FA)-conjugated and disulfide bond-linked star polymer ((FA-Dex-SS)-βCD-(PCL)14) was synthesized via a couple reaction between βCD-based 14 arms poly(ε-caprolactone) (βCD-(PCL)14) and disulfide-containing α-alkyne dextran (alkyne-SS-Dex), and acted as theranostic nanoparticles for tumor-targeted MRI and chemotherapy. Theranostic nanoparticles were obtained by loading doxorubicin (DOX), and superparamagnet

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Ezawa, Toshinari, Yutaka Inoue, Sujimon Tunvichien, Rina Suzuki та Ikuo Kanamoto. "Changes in the Physicochemical Properties of Piperine/β-Cyclodextrin due to the Formation of Inclusion Complexes". International Journal of Medicinal Chemistry 2016 (22 лютого 2016): 1–9. http://dx.doi.org/10.1155/2016/8723139.

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Piperine (PP) is a pungent component in black pepper that possesses useful biological activities; however it is practically insoluble in water. The aim of the current study was to prepare a coground mixture (GM) of PP and β-cyclodextrin (βCD) (molar ratio of PP/βCD = 1/1) and subsequently evaluate the solubility of PP and physicochemical properties of the GM. DSC thermal behavior of the GM showed the absence of melting peak of piperine. PXRD profile of the GM exhibited halo pattern and no characteristic peaks due to PP and βCD were observed. Based on Job’s plot, the PP/βCD complex in solution

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27

Hromadová, Magdaléna, Romana Sokolová, Lubomír Pospíšil, Štěpánka Lachmanová, Nicolangelo Fanelli, and Stefania Giannarelli. "Host–Guest interaction of pesticide bifenox with cyclodextrin molecules. An electrochemical study." Collection of Czechoslovak Chemical Communications 74, no. 11-12 (2009): 1647–64. http://dx.doi.org/10.1135/cccc2009509.

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The reduction of nitroaromatic compound bifenox (methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate) was studied in aprotic solvents in the absence or presence of cyclodextrin (CD) molecules of different cavity sizes. βCD and γCD form complexes with bifenox in DMSO with the complex formation constants (5 ± 2) × 102 M–1 [βCD–bifenox] and (3 ± 1) × 102 M–1 [γCD–bifenox], respectively. Bifenox yields a relatively stable anion radical in dimethyl sulfoxide, which is further reduced at more negative potentials by an overall addition of three electrons and four protons to the corresponding phenylhydroxy

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Sierpe, Rodrigo, Orlando Donoso-González, Erika Lang та ін. "Solid-State Formation of a Potential Melphalan Delivery Nanosystem Based on β-Cyclodextrin and Silver Nanoparticles". International Journal of Molecular Sciences 24, № 4 (2023): 3990. http://dx.doi.org/10.3390/ijms24043990.

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Melphalan (Mel) is an antineoplastic widely used in cancer and other diseases. Its low solubility, rapid hydrolysis, and non-specificity limit its therapeutic performance. To overcome these disadvantages, Mel was included in β-cyclodextrin (βCD), which is a macromolecule that increases its aqueous solubility and stability, among other properties. Additionally, the βCD–Mel complex has been used as a substrate to deposit silver nanoparticles (AgNPs) through magnetron sputtering, forming the βCD–Mel–AgNPs crystalline system. Different techniques showed that the complex (stoichiometric ratio 1:1)

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Cho, Yong Ho, Tae Kyung Won, and Dong June Ahn. "Energy Transfer-Based Recognition of Membrane Cholesterol by Controlling Intradistance of Linker." Sensors 24, no. 7 (2024): 2315. http://dx.doi.org/10.3390/s24072315.

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Gold nanoparticles (AuNPs) are good candidates for donor material in energy transfer systems and can easily be functionalized with various ligands on the surface with Au–S bonding. Cyclodextrin (CD) forms inclusion complexes with fluorophores due to its unique structure for host–guest interaction. In this study, we fabricated βCD-functionalized AuNPs using different lengths of thiol ligands and recognized cholesterol to confirm the energy-transfer-based turn-on fluorescence mechanism. AuNP–βCD conjugated with various thiol ligands and quenched the fluorescein (Fl) dye, forming βCD-Fl inclusion

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30

Xing, Cheng-Yuan, Shi-Lin Zeng, Shi-Kai Qi та ін. "Poly (vinyl alcohol)/β-Cyclodextrin Composite Fiber with Good Flame Retardant and Super-Smoke Suppression Properties". Polymers 12, № 5 (2020): 1078. http://dx.doi.org/10.3390/polym12051078.

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Fibers with good flame retardant (FR) and smoke suppression performances are highly desirable for the purpose of eliminating fire hazard. This study developed a novel FR fiber by wet-spinning poly (vinyl alcohol)/β-cyclodextrin (PVA/βCD) composite fiber and crosslinking it with hexamethylene diisocyanate (HDI). βCDs showed good compatibility with PVA matrix, and the resulting PVA/CD/HDI fibers showed mechanical strength at the same level as natural cotton fiber. The PVA/CD/HDI fibers also showed excellent flame retardance (the LOI value of PVA/CD/HDI could reach 41.7%, and their peak of heat r

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Mele, Andrea, Walter Panzeri, Antonio Selva та Pierluigi Mauri. "Letter: Fast Atom Bombardment, Electrospray, Ionspray and Tandem Mass Spectrometry of 1:1 β-Cyclodextrin/5-Methoxytryptamine Hydrochloride Host—Guest Complex: Host Protonation and Fragmentation Due to Guest Deamination". European Journal of Mass Spectrometry 6, № 2 (2000): 169–74. http://dx.doi.org/10.1255/ejms.319.

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The 1:1 inclusion complex of β-cyclodextrin (βCD) with 5-methoxytryptamine (5MTA) hydrochloride was studied by mass spectrometry (MS) and tandem-MS with fast atom bombardment (FAB), electrospray (ES) and ionspray (IS) ionisation and triple quadrupole or ion trap analysers. A protonated 1:1 βCD/MTA gaseous association was always observed; the protonated species of deaminated 5MTA and of some typical βCD fragments were obtained, in addition to the expected protonated 5MTA, as tandem-MS dissociation products. A reaction pattern starting from the deamination of protonated 5MTA, as a recently descr

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Chakraborty, Goutam, Alok K. Ray, Prabhat K. Singh, and Haridas Pal. "Does the degree of substitution on the cyclodextrin hosts impact their affinity towards guest binding?" Photochemical & Photobiological Sciences 19, no. 7 (2020): 956–65. http://dx.doi.org/10.1039/d0pp00103a.

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Sorroza-Martínez, Kendra, Israel González-Méndez, Mireille Vonlanthen та ін. "Guest-Mediated Reversal of the Tumbling Process in Phosphorus-Dendritic Compounds Containing β-Cyclodextrin Units: An NMR Study". Pharmaceuticals 14, № 6 (2021): 556. http://dx.doi.org/10.3390/ph14060556.

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The conformational study of dendritic platforms containing multiple β-cyclodextrin (βCD) units in the periphery is relevant to determine the availability of βCD cavities for the formation of inclusion complexes in aqueous biological systems. In this work, we performed a detailed conformational analysis in D2O, via 1D and 2D NMR spectroscopy of a novel class of phosphorus dendritic compounds of the type P3N3-[O-C6H4-O-(CH2)n-βCD]6 (where n = 3 or 4). We unambiguously demonstrated that a functionalized glucopyranose unit of at least one βCD unit undergoes a 360° tumbling process, resulting in a

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34

Ez-zoubi, Amine, Saoussan Annemer, Soukaina El Amrani, Yassine Ez zoubi, and Abdellah Farah. "Encapsulation of Origanum compactum Essential Oil in Beta-Cyclodextrin Metal Organic Frameworks: Characterization, Optimization, and Antioxidant Activity." Journal of Food Processing and Preservation 2023 (March 29, 2023): 1–10. http://dx.doi.org/10.1155/2023/5973846.

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The study is aimed at enhancing the physicochemical and antioxidant properties of encapsulated Origanum compactum essential oil (OCEO). In this context, a Clevenger apparatus was operated in the hydrodistillation process for O. compactum extraction, and the aroma profile of essential oil was investigated using GC/MS and GC/FID. The encapsulation process was based on beta-cyclodextrin (βCD) and metal organic frameworks (K-βCD-MOFs), analyzed by several techniques. Furthermore, the response surface design allows for improved encapsulation efficiency by optimizing OCEO/K-βCD-MOFs ( w / w ) and wa

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Chulurks, Sorrawee, Kulpavee Jitapunkul, Sasimas Katanyutanon, Pisanu Toochinda та Luckhana Lawtrakul. "Stability Enhancement and Skin Permeation Application of Nicotine by Forming Inclusion Complex with β-Cyclodextrin and Methyl-β-Cyclodextrin". Scientia Pharmaceutica 89, № 4 (2021): 43. http://dx.doi.org/10.3390/scipharm89040043.

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Nicotine is widely used in pharmaceutical industries, especially for smoking cessation in the form of transdermal patches. Nicotine gel in the patches has limitations from nicotine instability and high volatility. Thus, a nicotine preservation technique is needed. In this study, a nicotine encapsulation process using methyl-β-cyclodextrin (MβCD) is investigated and compared with β-cyclodextrin (βCD) to evaluate the preservation and skin permeation of nicotine. The M06-2X/6-31G(d,p) density functional theory calculations indicate a 1:1 host–guest molar ratio for the inclusion complex of nicotin

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López Méndez, Luis José, Lucía Martínez-Mota, Julia Cassani, et al. "Antidepressant-like and Beneficial Effects of a Neoponcirin-Beta-Cyclodextrin Inclusion Complex in Mice Exposed to Prolonged Stress." International Journal of Molecular Sciences 25, no. 15 (2024): 8289. http://dx.doi.org/10.3390/ijms25158289.

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Neoponcirin causes anxiolytic-like effects in mice when administered intraperitoneally but not orally. Neoponcirin is non-water-soluble and insoluble in solvents, and in medium acid, it isomerizes, reducing its bioavailability. To improve the pharmacological properties of neoponcirin, we formed a neoponcirin complex with beta-cyclodextrin (NEO/βCD), which was characterized by FT-IR, UV-Vis, and NMR, and their solubility profile. We evaluated the antidepressant-like effects of NEO/βCD acutely administered to mice orally in the behavioral paradigms, the tail suspension (TST) and the forced swimm

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Nguyen, Hanh-Trang, Duc-Truc Pham, Christopher J. Easton та Stephen F. Lincoln. "Complexation of Crystal Violet, Pyronine B, and Rhodamine B by Linked β-Cyclodextrin Trimers". Australian Journal of Chemistry 66, № 9 (2013): 1057. http://dx.doi.org/10.1071/ch13172.

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The host-guest complexation by β-cyclodextrin (βCD), 1,3,5-N,N,N-tris-(6A-deoxy-6A-β-cyclodextrin)-benzene (βCD3bz), and 1,3,5-N,N,N-tris(6A-(2-aminoethyl)amino-6A-deoxy-6A-β-cyclodextrin)-benzene (βCDen3bz) of cationic crystal violet (CV+) and pyronine B (PB+) and zwitterionic rhodamine B (RB) in aqueous phosphate buffer at pH 7.0 and I = 0.10 mol dm–3 has been studied by UV-Vis and 1H NMR spectroscopy. The complexation constants 10–3K1 (298.2 K) are 4.68, 86.3, and 7.08 dm3 mol–1 for the 1 : 1 host-guest complexes: βCD.CV+, βCD3bz.CV+, βCDen3bz.CV+, respectively, and those for the analogous

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Quintana-Contardo, Sebastián, Orlando Donoso-González, Erika Lang та ін. "Optimizing Dacarbazine Therapy: Design of a Laser-Triggered Delivery System Based on β-Cyclodextrin and Plasmonic Gold Nanoparticles". Pharmaceutics 15, № 2 (2023): 458. http://dx.doi.org/10.3390/pharmaceutics15020458.

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Dacarbazine (DB) is an antineoplastic drug extensively used in cancer therapy. However, present limitations on its performance are related to its low solubility, instability, and non-specificity. To overcome these drawbacks, DB was included in β-cyclodextrin (βCD), which increased its aqueous solubility and stability. This new βCD@DB complex has been associated with plasmonic gold nanoparticles (AuNPs), and polyethylene glycol (PEG) has been added in the process to increase the colloidal stability and biocompatibility. Different techniques revealed that DB allows for a dynamic inclusion into β

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Anjani, Qonita Kurnia, Juan Domínguez-Robles, Emilia Utomo, et al. "Inclusion Complexes of Rifampicin with Native and Derivatized Cyclodextrins: In Silico Modeling, Formulation, and Characterization." Pharmaceuticals 15, no. 1 (2021): 20. http://dx.doi.org/10.3390/ph15010020.

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Inclusion complexation of rifampicin (RIF) with several types of cyclodextrins (βCD, hydroxypropyl-βCD, γCD, hydroxypropyl-γCD) in aqueous solutions at different pH values was investigated to assess the interactions between RIF and cyclodextrins (CDs). Molecular modeling was performed to determine the possible interactions between RIF and CDs at several pH values. The inclusion complexes were characterized by differential scanning calorimetry, Fourier transform infrared spectroscopy, powder X-ray diffractometry, and scanning electron microscopy. Moreover, this study evaluated the dissolution p

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Wang, Yinhong, Chunxiao Yin, Xiaomei Cheng, Gaoyang Li, Yang Shan та Xiangrong Zhu. "β-Cyclodextrin Inclusion Complex Containing Litsea cubeba Essential Oil: Preparation, Optimization, Physicochemical, and Antifungal Characterization". Coatings 10, № 9 (2020): 850. http://dx.doi.org/10.3390/coatings10090850.

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Litsea cubeba essential oil (LCEO), as naturally plant-derived products, possess good antimicrobial activities against many pathogens, but their high volatility and poor water solubility limit greatly the application in food industry. In this research, inclusion complex based on β-cyclodextrin (β-CD) and LCEO, was prepared by saturated aqueous solution method. An optimum condition using the response surface methodology (RSM) based on Box–Behnken design (BBD) was obtained with the inclusion time of 2 h and β-CD/LCEO ratio of 4.2 at 44 °C. Under the condition, the greatest yield of 71.71% with e

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Gu, Li-Qun, Stephen Cheley та Hagan Bayley. "Prolonged Residence Time of a Noncovalent Molecular Adapter, β-Cyclodextrin, within the Lumen of Mutant α-Hemolysin Pores". Journal of General Physiology 118, № 5 (2001): 481–94. http://dx.doi.org/10.1085/jgp.118.5.481.

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Noncovalent molecular adapters, such as cyclodextrins, act as binding sites for channel blockers when lodged in the lumen of the α-hemolysin (αHL) pore, thereby offering a basis for the detection of a variety of organic molecules with αHL as a sensor element. β-Cyclodextrin (βCD) resides in the wild-type αHL pore for several hundred microseconds. The residence time can be extended to several milliseconds by the manipulation of pH and transmembrane potential. Here, we describe mutant homoheptameric αHL pores that are capable of accommodating βCD for tens of seconds. The mutants were obtained by

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42

Palepu, Ramamurthy, and Vincent C. Reinsborough. "Surfactant–cyclodextrin interactions by conductance measurements." Canadian Journal of Chemistry 66, no. 2 (1988): 325–28. http://dx.doi.org/10.1139/v88-056.

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Conductance measurements were used to identify and to obtain association constants for the complexes formed between cyclodextrins (CD) with emphasis on β-cyclodextrin (βCD), and surfactants such as sodium dodecylsulfate (SDS) and tetradecyltrimethyl ammonium bromide. With both anionic and cationic surfactants, αCD forms predominantly a 2:1 CD/surfactant complex while with both βCD and γCD the main species is 1:1. γCD binds much less strongly with surfactants than both αCD and βCD. Cyclodextrins destroy micelles by complexing the surfactant monomers more strongly than they are bound in self-ass

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Guzmán-Oyarzo, Dina, Tanya Plaza, Gonzalo Recio-Sánchez, Dulcineia S. P. Abdalla, Luis A. Salazar та Jacobo Hernández-Montelongo. "Use of nPSi-βCD Composite Microparticles for the Controlled Release of Caffeic Acid and Pinocembrin, Two Main Polyphenolic Compounds Found in a Chilean Propolis". Pharmaceutics 11, № 6 (2019): 289. http://dx.doi.org/10.3390/pharmaceutics11060289.

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Propolis is widely recognized for its various therapeutic properties. These are attributed to its rich composition in polyphenols, which exhibit multiple biological properties (e.g., antioxidant, anti-inflammatory, anti-angiogenic). Despite its multiple benefits, oral administration of polyphenols results in low bioavailability at the action site. An alternative to face this problem is the use of biomaterials at nano-micro scale due to its high versatility as carriers and delivery systems of various drugs and biomolecules. The aim of this work is to determine if nPSi-βCD microparticles are a s

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Santos, Evelyn C. da S., Amanda Watanabe, Maria D. Vargas, Marcelo N. Tanaka, Flavio Garcia та Célia M. Ronconi. "AMF-responsive doxorubicin loaded β-cyclodextrin-decorated superparamagnetic nanoparticles". New Journal of Chemistry 42, № 1 (2018): 671–80. http://dx.doi.org/10.1039/c7nj02860a.

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An alternating magnetic field (AMF)-responsive controlled release system has been developed by the binding of mono-6-deoxy-6-(p-tolylsulfonyl)-β-cyclodextrin (βCD-Ts) onto amine-modified superparamagnetic iron oxide nanoparticles (MNP-NH<sub>2</sub>), resulting in a MNP-βCD nanocarrier.

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Farcas, Aurica, Ana-Maria Resmerita, Andreea Stefanache, Mihaela Balan та Valeria Harabagiu. "Synthesis and characterization of low-molecular-weight π-conjugated polymers covered by persilylated β-cyclodextrin". Beilstein Journal of Organic Chemistry 8 (11 вересня 2012): 1505–14. http://dx.doi.org/10.3762/bjoc.8.170.

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The paper reports the preparation of a poly[2,7-(9,9-dioctylfluorene)-alt-5,5'-bithiophene/PS-βCD] (PDOF-BTc) polyrotaxane copolymer, through a Suzuki coupling reaction between the 5,5'-dibromo-2,2'-bithiophene (BT) inclusion complex with persilylated β-cyclodextrin (PS-βCD), and 9,9-dioctylfluorene-2,7-bis(trimethylene borate) (DOF) as the blocking group. The chemical structure and the thermal and morphological properties of the resulting polyrotaxane were investigated by using NMR and FT-IR spectroscopy, TGA, DSC and AFM analysis. The encapsulation of BT inside the PS-βCD cavity results in i

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Kowalczyk, Agata, Artur Kasprzak, Magdalena Poplawska, Monika Ruzycka, Ireneusz P. Grudzinski, and Anna M. Nowicka. "Controlled Drug Release and Cytotoxicity Studies of Beta-Lapachone and Doxorubicin Loaded into Cyclodextrins Attached to a Polyethyleneimine Matrix." International Journal of Molecular Sciences 21, no. 16 (2020): 5832. http://dx.doi.org/10.3390/ijms21165832.

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This work presents a new look at the application of cyclodextrins (CD) as a drug nanocarrier. Two different cyclodextrins (αCD, βCD) were covalently conjugated to branched polyethylenimine (PEI), which was additionally functionalized with folic acid (PEI-βCD-αCD-FA). Here, we demonstrated that the combination of αCD and βCD enabled to load and control release of two anticancer drugs: doxorubicin (DOX) and beta-lapachone (beta-LP) (DOX in β-CD and beta-LP into α-CD) via host-guest inclusion. The PEI-βCD(DOX)-αCD-FA nanoconjugate was used to transport anticancer drugs into A549 lung cancer cells

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Zhou, Li, Fang, Liu, Mei, and Xie. "Preservative Effects of Gelatin Active Coating Enriched with Eugenol Emulsion on Chinese Seabass (Lateolabrax maculatus) during Superchilling (−0.9 °C) Storage." Coatings 9, no. 8 (2019): 489. http://dx.doi.org/10.3390/coatings9080489.

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This research was to evaluate the effects of gelatin (G) active coating containing eugenol/β-cyclodextrin (βCD) emulsions combined with superchilling (−0.9 °C) on physicochemical, microbiological, and organoleptic properties of Chinese seabass samples during 30 days of storage. Results showed that seabass samples dipped in G-βCD coatings containing 0.15% or 0.3% eugenol combined with superchilling could significantly lower the total volatile basic nitrogen, K value, total viable count, H2S-producing bacteria, Pseudomonas spp. and Psychrophilic counts, and free fatty acids. Further, G-βCD coati

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Di Donato, Cristina, Rosa Iacovino, Carla Isernia та ін. "Polypseudorotaxanes of Pluronic® F127 with Combinations of α- and β-Cyclodextrins for Topical Formulation of Acyclovir". Nanomaterials 10, № 4 (2020): 613. http://dx.doi.org/10.3390/nano10040613.

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Acyclovir (ACV) is one of the most used antiviral drugs for the treatment of herpes simplex virus infections and other relevant mucosal infections caused by viruses. Nevertheless, the low water solubility of ACV limits both its bioavailability and antiviral performance. The combination of block copolymer micelles and cyclodextrins (CDs) may result in polypseudorotaxanes with tunable drug solubilizing and gelling properties. However, the simultaneous addition of various CDs has barely been investigated yet. The aim of this work was to design and characterize ternary combinations of Pluronic® F1

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Nikitina, Maria, Nataliya Kochkina, Marianna Arinina, Valery Kulichikhin та Irina Terekhova. "β-Cyclodextrin Modified Hydrogels of Kappa-Carrageenan for Methotrexate Delivery". Pharmaceutics 15, № 9 (2023): 2244. http://dx.doi.org/10.3390/pharmaceutics15092244.

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This work is aimed at developing a kappa-carrageenan (kCR) gel with increased methotrexate (MTX) content. β-Cyclodextrin (βCD), which is able to inclusion complex formation with MTX, has been used to increase the drug concentration in the hydrogel. The rheological behavior of the designed gels was investigated and the influence of MTX and βCD on the viscoelastic properties of kCR gel was studied in detail. The effect of βCD and its concentration on the MTX-releasing rate from the kCR gels was examined. The properties of kappa- and iota-carrageenans loaded with MTX were compared and the differe

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Denadai, Ângelo M. L., Frederico B. De Sousa, Joel J. Passos, et al. "Self-assembled organic–inorganic magnetic hybrid adsorbent ferrite based on cyclodextrin nanoparticles." Beilstein Journal of Organic Chemistry 8 (November 1, 2012): 1867–76. http://dx.doi.org/10.3762/bjoc.8.215.

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Organic–inorganic magnetic hybrid materials (MHMs) combine a nonmagnetic and a magnetic component by means of electrostatic interactions or covalent bonds, and notable features can be achieved. Herein, we describe an application of a self-assembled material based on ferrite associated with β-cyclodextrin (Fe-Ni/Zn/βCD) at the nanoscale level. This MHM and pure ferrite (Fe-Ni/Zn) were used as an adsorbent system for Cr3+ and Cr2O7 2− ions in aqueous solutions. Prior to the adsorption studies, both ferrites were characterized in order to determine the particle size distribution, morphology and a

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