Construction of positively-charged layered assemblies assisted by cyclodextrin complexation

Suzuki, I.; Egawa, Yuya; Mizukawa, Yosuke; Hoshi, Tomonori; Anzai, Jun Ichi

doi:10.1039/b108771c

Cited by 68 publications

(55 citation statements)

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“…This technique involves sequential adsorption of materials that can form intermolecular interactions [34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51]. The growth of the film is a bottom-up approach and allows the precise control of film composition and dimension in nanoscale.…”

Section: Fabrication Of Multilayer Polymer Coatingsmentioning

confidence: 99%

“…Advanced multilayer films with components such as synthetic linear polymers [8], polymeric microgels [9][10][11][12], biomacromolecules [13][14][15][16][17][18], particles [19][20][21], dendritic molecules [22,23], organic components [24][25][26][27][28], block copolymers [29][30][31][32], and polyelectrolyte stabilized micelles [33] have been successfully fabricated. The driving force for multilayer film fabrication is diverse, including electrostatic interaction [34,35], hydrogen-bond [36][37][38][39][40][41], coordination-bond [42][43][44], charge-transfer interactions [45], biospecific interaction (e.g., sugar-lectin interactions) [46,47], guest-host interaction [48,49], cation-dipole interaction [50,51], and the synergetic interaction of the above forces. The simple fabricating process is depicted in Figure 7…”

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confidence: 99%

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Layer‐by‐Layer Self‐Assembled Multilayer Stimuli‐Responsive Polymeric Films

Zhai

2011

Handbook of Stimuli‐Responsive Materials

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IntroductionMultilayer polymeric films fabricated through the layer-by-layer (LBL) self-assembly technique are able to integrate stimuli-responsive materials into the films through various intermolecular interactions. The ease of the fabrication process and the excellent control of the film composition and morphology, combined with the capability of coating substrates conformally, offers a wide range of multilayer films that change film properties such as permeability, wettability, color, and solubility upon external stimuli. This chapter reviews the methods of building LBL multilayer films and the approaches to control the structures of the films. These smart films provide numerous applications in controlled drug release, sensing, energy generation, and flow regulation with their unique response to external stimuli including pH and temperature change, photo irradiation, application of electrical fields, and specific molecular interactions.Stimuli-responsive coatings, also known as smart coatings, are able to change their properties upon external stimuli including temperature, pH, salt concentration, light, presence of specific molecules, and other factors. The capability of changing surface behavior in an accurate and predictable manner has generated numerous applications ranging from chemical sensing, separations, and drug delivery to various bioapplications. To name a few, smart coatings with tunable hydrophilic/hydrophobic wettability have been used in the development of microand nanofluidic devices, self-cleaning and antifog surfaces, and sensor devices [1-3]. Photochemical-responsive coatings have been applied to build a surface that releases nitric oxide [4] over nanometer length scales for photochemotherapeutic applications, and a surface that can be photoactivated for spatiotemporal control of cell adhesion during cell cultivation [5,6]. The control of the properties of these smart coatings can be achieved through the stimuli-responsive materials forming self-assembled monolayers (SAMs) and polymer films. Among various approaches to fabricate responsive polymer films, multilayered polymer films, generally referred as polyelectrolyte multilayer (PEM) films, fabricated through the LBL assembly technique, have been proven to be effective smart coatings with Handbook of Stimuli-Responsive Materials. Edited by Marek W. Urban

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Section: Fabrication Of Multilayer Polymer Coatingsmentioning

confidence: 99%

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confidence: 99%

Layer‐by‐Layer Self‐Assembled Multilayer Stimuli‐Responsive Polymeric Films

Zhai

2011

Handbook of Stimuli‐Responsive Materials

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“…On the other hand, the LbL film decomposed instantly upon adding 1 mg·mL −1 adamantane (Ad) as a result of the competitive binding of Ad to the cavity of the CB [8]. CB [8]-based LbL films are more stable than similar LbL films linked with cyclodextrin [66,67] It is known that CB [8] forms a stable 1:1:1 ternary complex with electron-rich and electron-deficient molecules, in which the ternary complex is stabilized through host-guest complexation, as well as charge transfer interactions [64]. In fact, LbL films comprising PEIs covalently modified with electron-rich indole (PEI-ID) and electron-deficient methyl viologen moieties (PEI-MV) have been prepared using CB [8] as the binder [65].…”

Section: Lbl Films On Flat Substratesmentioning

confidence: 99%

“…On the other hand, the LbL film decomposed instantly upon adding 1 mg·mL −1 adamantane (Ad) as a result of the competitive binding of Ad to the cavity of the CB [8]. CB [8]-based LbL films are more stable than similar LbL films linked with cyclodextrin [66,67] A supramolecular pseudo-polycation composed of naphthalene-bearing dextran (NpD), MV, and CB [8] has been utilized as a cationic component for the construction of LbL films with poly(acrylic Polymers 2018, 10, 130 7 of 15 acid) (PAA) through electrostatic affinity [68]. The (PAA/NpD + MV + CB [8]) n LbL films decomposed in the presence of Ad or Na 2 S 2 O 4 as a result of the competitive binding of Ad to CB [8] or a reduction of MV by Na 2 S 2 O 4 .…”

Section: Lbl Films On Flat Substratesmentioning

confidence: 99%

Host-Guest Chemistry in Layer-by-Layer Assemblies Containing Calix[n]arenes and Cucurbit[n]urils: A Review

2018

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“…Polyelectrolyte layer-by-layer (LbL) films can be prepared by an alternate and repeated deposition of polymeric materials on a solid surface through electrostatic interactions [1,2], hydrogen binding [3,4], host-guest complexation [5,6], and biological affinity [7]. A recent review has summarized biocompatible LbL films for smart materials [8].…”

Section: Introductionmentioning

confidence: 99%

pH-Dependent Release of Insulin from Layer-by-Layer-Deposited Polyelectrolyte Microcapsules

et al. 2015

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Insulin-containing microcapsules were prepared by a layer-by-layer (LbL) deposition of poly(allylamine hydrochloride) (PAH) and polyanions, such as poly(styrenesulfonate) (PSS), poly(vinyl sulfate) (PVS), and dextran sulfate (DS) on insulin-containing calcium carbonate (CaCO3) microparticles. The CaCO3 core was dissolved in diluted HCl solution to obtain insulin-containing hollow microcapsules. The microcapsules were characterized by scanning electron microscope (SEM) and atomic force microscope (AFM) images and ζ-potential. The release of insulin from the microcapsules was faster at pH 9.0 and 7.4 than in acidic solutions due to the different charge density of PAH. In addition, insulin release was suppressed when the microcapsules were constructed using PAH with a lower molecular weight, probably owing to a thicker shell of the microcapsules. The results suggested a potential use of the insulin-containing microcapsules for developing insulin delivery systems.

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Construction of positively-charged layered assemblies assisted by cyclodextrin complexation

Abstract: A beta-cyclodextrin dimer is found to be effective in preparing a layer-by-layer architecture of positively charged ferrocene-appended poly(allylamine) presumably on the basis of strong beta-cyclodextrin-ferrocene host-guest interaction.

Cited by 68 publications

References 11 publications

Layer‐by‐Layer Self‐Assembled Multilayer Stimuli‐Responsive Polymeric Films

Layer‐by‐Layer Self‐Assembled Multilayer Stimuli‐Responsive Polymeric Films

Host-Guest Chemistry in Layer-by-Layer Assemblies Containing Calix[n]arenes and Cucurbit[n]urils: A Review

pH-Dependent Release of Insulin from Layer-by-Layer-Deposited Polyelectrolyte Microcapsules

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