2 edition of Interaction of cyclodextrins with poly(ethylene glycol)s and peroxide bleach activators found in the catalog.
Interaction of cyclodextrins with poly(ethylene glycol)s and peroxide bleach activators
Christopher Norman Tait
Written in English
in collaboration with Warwick International Group Ltd.
|Statement||Christopher Norman Tait.|
|Series||Theses (University of Northumbria at Newcastle)|
|Contributions||Warwick International Group Ltd.|
Polymers containing cyclodextrins (CD) covalently or supramolecularly attached are of increasing interest in recent years. For example, polymers bearing β-CD as side or terminal groups and their interaction with classical guest groups such as adamantane or azo-dyes Cited by: 2. Cyclodextrins can interact with appropriately sized drug molecules to yield an inclusion complex. These noncovalent inclusion complexes offer a variety of advantages over the noncomplexed form of.
A novel two-component physical gel based on interaction between poly(acrylic acid) and 6-deoxyamino-β-cyclodextrin. Polymer Engineering & Science , 49 (1), Cited by: Swati Pund, Amita Joshi, in Nano- and Microscale Drug Delivery Systems, Cyclodextrin Nanocarriers. Cyclodextrins are supramolecular oligosaccharides, having five or more α-d-glucopyranoside units linked by α-1,4-glycosidic bonds in a ring frequently used cyclodextrins have 6, 7, or 8 glucopyranoside units and are called α-cyclodextrin, β-cyclodextrin, or γ Missing: poly book.
We haven't found any reviews in the usual places. Selected pages. Title Page. Fluorescence studies on the interaction between pyrene-labelled poly(acrylic acid) and cyclodextrins.
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The interactions of cyclodextrins (CDs) with poly(N-acryloyl-amino acids) (pAXaa) were investigated by 1H NMR and two dimensional nuclear Overhauser effect spectroscopy (2D NOESY) to elucidate the effect of attachment of amino acid residues to the polymer by: 6.
The interactions of cyclodextrins (CDs) with poly(N-acryloyl-amino acids) (pAXaa) were investigated by 1 H NMR and two dimensional nuclear Overhauser effect spectroscopy (2D NOESY) to elucidate the effect of attachment of amino acid residues to the polymer chain.
The interaction of cyclodextrins (CDs) with poly(N-methacryloyltryptophan) (pMTrp) and with poly(N-methacryloylphenylalanine) (pMPhe) was investigated as a simple model system of macromolecular recognition of by: Interaction of cyclodextrins with side chains of water soluble polymers: A simple model for biological molecular recognition and its utilization for stimuli-responsive systems.
Akihito Hashidzume, Itsuro Tomatsu and Akira Harada Vol Is 09 AugustPages Interaction of cyclodextrins with pyrene-modified polyacrylamide in a mixed solvent of water and dimethyl sulfoxide as studied by steady-state Available via license: CC BY We have been aware of the importance of polymer side chains in the macromolecular recognition in biological systems, and thus studying in detail on the interaction of cyclodextrins (CDs) with several guest moieties attached to water-soluble polymers as model systems for the macromolecular recognition in biological systems.Cited by: Supramolecular Polymeric Materials via Cyclodextrin–Guest Interactions.
Accounts of Chemical Research47 (7), DOI: /arh. Thorbjørn Terndrup Nielsen, Véronique Wintgens, Catherine Amiel, Reinhard Wimmer and Kim Lambertsen by: Cyclodextrins, since their discovery in the late 19th century, were mainly regarded as excipients. Nevertheless, developments in cyclodextrin research have shown that some of these hosts can capture and include biomolecules, highlighting fatty acids and cholesterol, which implies that they are not inert and that their action may be used in specific medicinal g: poly book.
Herein, we present an endeavor toward exploring the lacuna underlying the host:guest chemistry of inclusion complex formation between bile salt(s) and β-cyclodextrin(s) (βCDs). An extensive thermodynamic investigation based on isothermal titration calorimetry (ITC) demonstrates a dominant contribution from exothermic enthalpy change (ΔH Cited by: In addition, cyclodextrins can for example be used to reduce gastrointestinal drug irritation, convert liquid drugs into microcrystalline or amorphous powder, and prevent drug-drug and drug-excipient interactions.
A number of books and review articles have been published on the pharmaceutical applications of Size: KB. Actually, cyclodextrins are among the most remarkable macrocyclic molecules with major theoretical and practical interest for chemistry and biology. Cyclodextrins belong to the family of cage molecules due to their structure, which is composed of a hydrophobic cavity that Cited by: 6.
In addition, cyclodextrins can be used to reduce or prevent gastrointestinal and ocular irritation, reduce or eliminate unpleasant smells or tastes, prevent drug-drug or drug-additive interactions, or to convert oils and liquid drugs into microcrystalline or amorphous powders.
Table II. Regulatory status of the natural cyclodextrins (). Yes InFile Size: KB. Abstract. Cyclodextrins are naturally occurring cyclic oligosaccharides, which are non-toxic and biodegradable.
The main feature of cyclodextrins is the ability to encapsulate lipophilic compounds, and thus many applications have been developped in various by: 1. In case of cyclodextrin-based supramolecular complexes, the cyclic molecule is natural cyclodextrins and the polymers are PVA, PEG, PTA, PBA, PPG, and so forth; moreover, when the guest moiety (drug) is attached covalently to a host molecule (cyclodextrin) in a suitable way, an intra/intermolecular complex is obtained from supramolecular Cited by: Macromolecular Recognition by Polymer‐Carrying Cyclodextrins: Interaction of a Polymer Bearing Cyclodextrin Moieties with Poly(acrylamide)s Bearing Aromatic Side Chains † Akihito Hashidzume Department of Macromolecular Science, Graduate School of Science, Osaka University, Toyonaka, Osaka ‐, JapanCited by: In the past 30 years, much attention has been directed to construction of supramolecular structures using some intermolecular interactions, such as hydrogen bonding, electrostatic interactions, and metal-ligand interactions.
In this chapter, construction of supramolecular polymers using cyclodextrins is described. α-,β- and γ-Cyclodextrins have been shown to exist as aggregates in solution bound together by a network of hydrogen bonds.
Removal of this network by ionisation of the hydroxyl groups leads to a greatly increased solubility and removal of aggregation. The presence of aggregates in solution of structure breaking solutes in which the solubility ofβ-cyclodextrin is greatly enhanced, leads to Cited by: The interactions of cyclodextrins (CDs) with poly(N-acryloyl-amino acids) (pAXaa) were investigated by 1H NMR and two dimensional nuclear Overhauser effect spectroscopy (2D NOESY) to elucidate the.
Steroids are abundant in living organisms and are responsible for various biological functions. They are good candidates for inclusion complexes formation with cyclodextrins; therefore, plenty of literature describes these complexes and their application in various fields.
There are, however, hardly any reviews summarizing this tremendous amount of information. Here, we review steroid Cited by: 2. Interaction between Fluorocarbon End-Capped Poly(ethylene oxide) and Cyclodextrins Dongsheng Liao, Sheng Dai, and Kam Chiu Tam * School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, SingaporeSingaporeCited by:.
From the overall data it was possible to conclude that in the case of interaction with γ‐CD the efficient encapsulation of two pyrene units into the cavity of the cyclodextrin molecule leads to a decrease in the number of available free monomers and an increase in the number of preformed ground‐state dimers (GSDs) of by: 7.Interaction Study of an Amorphous Solid Dispersion of Cyclosporin A in Poly-Alpha-Cyclodextrin with Model Membranes by 1 H- 2 H- 31 P-NMR and Electron Spin Resonance.
poly randomly methylated cyclodextrins, RAMEB) and published [29, 30].Cited by: 1.1. Introduction. When an excess of guest polymers is used to form inclusion compounds with host cyclodextrins (CDs), non-stoichiometric polymer–CD inclusion compounds (ICs) [(n-s) polymer–CD ICs] can result [1,2,3,4,5] and are depicted schematically in Figure unthreaded polymer chain portions in (n-s) polymer–CD ICs are then free to associate with each other and potentially : Alan E.