Monolayer and Multilayer Films of Cyclodextrins Substituted with Two and Three Alkyl Chains

Greenhall, M. H.; Lukes, Peter J.; Kataky, Ritu; Agbor, N.E.; Badyal, J. P. S.; Yarwood, J.; Parker, David; Petty, Michael C.

doi:10.1021/la00010a060

Cited by 38 publications

(14 citation statements)

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“…A remarkable feature of the isotherms of all the studied Janus cyclodextrins is the presence of two and even three (see Figure 3b at 28 8C and 41 8C) successive steep increases of pressure when the molecular area is reduced. Such a behavior has been already reported in the past for amphiphilic cyclodextrins [17,21,23] and for other molecules. [24] It is generally interpreted as resulting from the formation of multilayer structures.…”

Section: Discussionsupporting

confidence: 76%

Self-assembly of Janus Cyclodextrins at the Air-Water Interface and in Organic Solvents

et al. 1999

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The self-organization of various amphiphilic cyclodextrins is reported at the air ± water interface as well as in organic solvents. These rather rigid molecules expose different molecular surfaces to the external medium according to the nature of the environment, and consequently several types of association are observed. At the air ± water interface, stable mono-and multilayers are formed whose behavior can be related to the molecular structure of the amphiphilic compounds. In apolar aromatic solvents, such as benzene or toluene, dimerization occurs as shown by vapour pressure osmometry (VPO), 1 H NMR spectroscopy and 1 H 13 C heteronuclear NOE measurements. Such a feature is absent in organic solvents that compete for the formation of hydrogen bonds. The consequences of these results concerning the use of cyclodextrin derivatives as calibration standards for the determination of molecular weights are discussed.

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Section: Discussionsupporting

confidence: 76%

Self-assembly of Janus Cyclodextrins at the Air-Water Interface and in Organic Solvents

et al. 1999

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“…β-CD is a truncated cone with an internal diameter of 6.2 Å [24]. The surface of the internal cross-section of the cavity is thus around 30 Å 2 , lower than the cross-section of all lipids used in this study.…”

Section: Resultsmentioning

confidence: 90%

Study of the interaction of β-cyclodextrin with phospholipid monolayers by surface pressure measurements and fluorescence microscopy

Grauby–Heywang¹,

Turlet²

2008

Journal of Colloid and Interface Science

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“…Amphiphilic CDs have been shown to form monolayers at the air-water interface (Parot-Lopez, 1992;Greenhall et al, 1995) and micelles in water (Auze´ly-Velty et al, 2000). Different self-organized amphiphilic CDs, such as nanospheres , solid-lipid nanoparticles , liquid crystals and vesicles were prepared with varying length of hydrophobic chains for their promising properties for farmaceutical applications.…”

Section: Cyclodextrins (Cd) Are Macrocyclic Oligosaccharides Composedmentioning

confidence: 99%

Amphiphilic Cyclodextrins, Synthesis, Utilities and Application of Molecular Modeling in Their Design

Jabbari¹,

Sadeghian²

2012

Recent Advances in Novel Drug Carrier Systems

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Monolayer and Multilayer Films of Cyclodextrins Substituted with Two and Three Alkyl Chains

Cited by 38 publications

References 1 publication

Self-assembly of Janus Cyclodextrins at the Air-Water Interface and in Organic Solvents

Self-assembly of Janus Cyclodextrins at the Air-Water Interface and in Organic Solvents

Study of the interaction of β-cyclodextrin with phospholipid monolayers by surface pressure measurements and fluorescence microscopy

Amphiphilic Cyclodextrins, Synthesis, Utilities and Application of Molecular Modeling in Their Design

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