Articles with "cucurbit uril" as a keyword



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Magnetic Regulation of Thermo-Chemotherapy from a Cucurbit[7]uril-Crosslinked Hybrid Hydrogel.

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Published in 2019 at "Advanced healthcare materials"

DOI: 10.1002/adhm.201801458

Abstract: The fabrication, characterization, and therapy efficiency of a noncovalent-bonded hydrogel network, which is assembled by utilizing cucurbit[7]uril as a supramolecular linker to "stick" superparamagnetic γ-Fe2 O3 nanoparticles onto the polymer backbone of catechol-functionalized chitosan are… read more here.

Keywords: thermo chemotherapy; cucurbit; cucurbit uril; fe2 nanoparticles ... See more keywords
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Supramolecular Self‐Assembly of Cyclopentyl‐Substituted Cucurbit[n]uril with Fe3+, Fe2+, and HClO4 Based on Outer Surface Interaction

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Published in 2021 at "Crystal Research and Technology"

DOI: 10.1002/crat.202000183

Abstract: The supramolecular self‐assembly of the outer surface of cucurbit[n]uril is one of the main areas of focus in cucurbit[n]uril chemistry. The crystal structure is determined by single‐crystal X‐ray diffraction and characterized. This work focuses on… read more here.

Keywords: self assembly; supramolecular self; cucurbit uril; outer surface ... See more keywords
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Uranyl Complexes as Scaffolding or Spacers for Cucurbit[6]uril Molecules in Homo- and Heterometallic Species, Including a Novel Uranyl-Lanthanide Complex

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Published in 2017 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201700283

Abstract: Reaction of uranyl nitrate with cucurbit[6]uril (CB6) and carboxylic or sulfonic acid ligands under hydrothermal conditions and in the presence of additional metal cations (KI or CeIII) or co-solvents provided four complexes which were crystallographically… read more here.

Keywords: complexes scaffolding; uranyl complexes; scaffolding spacers; cb6 ... See more keywords
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Cucurbit[n]uril Host‐Guest Complexes of Acids, Photoacids, and Super Photoacids

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Published in 2018 at "Israel Journal of Chemistry"

DOI: 10.1002/ijch.201700096

Abstract: The supramolecular chemistry of host-guest complexes of cucurbit[n]urils (CB[n]) with acidic guests in the ground (HG+) and excited states (HG+*) are reviewed. The effects of CB[n] complexation on the guests’ pKa and/or pKa* values are… read more here.

Keywords: guest complexes; host guest; cucurbit uril; chemistry ... See more keywords
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Near-Infrared Phosphorescent Switch of Diarylethene Phenylpyridinium Derivative and Cucurbit[8]uril for Cell Imaging.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202201821

Abstract: Near-infrared (NIR) pure organic room-temperature phosphorescence (RTP) materials have received growing research interest due to their wide application in the fields of high-resolution bioimaging and luminescent materials. In this work, the authors report a macrocycle-confined… read more here.

Keywords: near infrared; diarylethene phenylpyridinium; phosphorescence; phenylpyridinium derivative ... See more keywords
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Supramolecular Interfaces and Reconfigurable Liquids Derived from Cucurbit[7]uril Surfactants.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202204182

Abstract: Nanoparticle surfactants (NPSs) offer a powerful means to stabilize the oil-water interface and construct all-liquid devices with advanced functions. However, as the nanoparticle size decreases to molecular-scale, the binding energy of the NPS to the… read more here.

Keywords: cucurbit uril; supramolecular interfaces; reconfigurable liquids; interface ... See more keywords
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Cucurbit[n]uril-based host–guest-metal ion chemistry: an emerging branch in cucurbit[n]uril chemistry

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Published in 2017 at "Journal of Inclusion Phenomena and Macrocyclic Chemistry"

DOI: 10.1007/s10847-017-0733-5

Abstract: Cucurbit[n]urils (Q[n]s), a relatively new class of macrocyclic hosts with a rigid hydrophobic cavity and two identical carbonyl-fringed portals, have attracted much attention since the first member of the Q[n]-family, cucurbit[6]uril (Q[6]), was structurally identified… read more here.

Keywords: chemistry; cucurbit uril; based host; host guest ... See more keywords
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Inclusion complexes based α,ω-imidazolium based oligosiloxane (Im-PDMS) and cucurbit[7]uril (CB[7]) in aqueous solution

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Published in 2017 at "Journal of Inclusion Phenomena and Macrocyclic Chemistry"

DOI: 10.1007/s10847-017-0770-0

Abstract: Inclusion complexes of α,ω-bisimidazolium oligosiloxane (Im-PDMS) and cucurbit[7]uril (CB[7]) in aqueous solution were studied. The binding interactions were monitored by 1H NMR. Their annular aggregate morphologies were confirmed by TEM. The aggregation behavior of free… read more here.

Keywords: inclusion; cucurbit uril; pdms cucurbit; pdms ... See more keywords
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Cucurbit[7]uril Inclusion Complexes with Benzimidazole Derivatives: A Computational Study

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Published in 2018 at "Journal of Solution Chemistry"

DOI: 10.1007/s10953-018-0812-2

Abstract: Molecular dynamics (MD) simulations were carried out to study the host–guest complexation in aqueous solution between cucurbit[7]uril (CB7) and the neutral and protonated forms of benzimidazole derivatives. Complexation occurs via encapsulation of the hydrophobic part… read more here.

Keywords: benzimidazole derivatives; cucurbit uril; study; host guest ... See more keywords
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Supramolecular hexagonal network based on a tritopic amine hydrochloride and a cucurbit[5]uril analogue

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Published in 2018 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-018-3500-3

Abstract: A planar tritopic 120° ammonium salt—1,3,5-tri(4-aminophenyl)benzene hydrochloride—was synthesized. Each of the three protonated amine moieties can bind with one of the carbonyl portals of a cucurbit[5]uril analogue (Me10TD[5]) in water, as proven by ultraviolet–visible (UV–Vis),… read more here.

Keywords: uril analogue; hydrochloride; hexagonal network; cucurbit uril ... See more keywords
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Selective recognition and determination of phenylalanine by a fluorescent probe based on cucurbit[8]uril and palmatine.

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Published in 2020 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2020.01.007

Abstract: This paper demonstrated a simple and validated fluorescence enhancing method to selectively recognize and discriminate the amino acid phenylalanine (Phe). 1H NMR spectroscopy reveal that the palmatine (PAL) can be encapsulated into the cucurbit [8]uril… read more here.

Keywords: fluorescence; cucurbit uril; phenylalanine; phe ... See more keywords