Search Results - "Egawa, Yuya"

Colorimetric Sugar Sensing Using Boronic Acid-Substituted Azobenzenes by Egawa, Yuya, Miki, Ryotaro, Seki, Toshinobu

“…In association with increasing diabetes prevalence, it is desirable to develop new glucose sensing systems with low cost, ease of use, high stability and good…”
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Multinuclear NMR Study on the Formation and Polyol-Induced Deformation Mechanisms of Wormlike Micelles Composed of Cetyltrimethylammonium Bromide and 3‑Fluorophenylboronic Acid by Miki, Ryotaro, Yamauchi, Tomoya, Kawashima, Kosuke, Egawa, Yuya, Seki, Toshinobu

“…We had previously confirmed a glucose-responsive decrease in the viscosity of cetyltrimethylammonium bromide (CTAB) and phenylboronic acid (PBA) wormlike…”
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A New Boron-Rhodamine-Containing Carboxylic Acid as a Sugar Chemosensor by Komori, Yuta, Sugimoto, Shun, Sato, Toranosuke, Okawara, Honoka, Watanabe, Ryo, Takano, Yuki, Kitaoka, Satoshi, Egawa, Yuya

“…We propose a boron-rhodamine-containing carboxylic acid (BRhoC) substance as a new sugar chemosensor. BRhoC was obtained by the Friedel-Crafts reaction of…”
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pH-Induced Interconversion between J-Aggregates and H-Aggregates of 5,10,15,20-Tetrakis(4-sulfonatophenyl)porphyrin in Polyelectrolyte Multilayer Films by Egawa, Yuya, Hayashida, Ryosuke, Anzai, Jun-ichi

“…We fabricated a layer-by-layer (LbL) film composed of 5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrin (TPPS) and poly(allylamine) (PAA) and investigated its pH…”
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Caco-2 Cell Sheet Partially Laminated with HT29-MTX Cells as a Novel In Vitro Model of Gut Epithelium Drug Permeability by Cheng, Yi, Watanabe, Chie, Ando, Yusuke, Kitaoka, Satoshi, Egawa, Yuya, Takashima, Tomoya, Matsumoto, Akihiro, Murakami, Masahiro

“…The intestinal epithelial Caco-2 cell monolayer is a well-established in vitro model useful for predicting intestinal drug absorption in humans. Coculture…”
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Sugar-Responsive Layer-by-Layer Film Composed of Phenylboronic Acid-Appended Insulin and Poly(vinyl alcohol) by Takei, Chihiro, Ohno, Yui, Seki, Tomohiro, Miki, Ryotaro, Seki, Toshinobu, Egawa, Yuya

“…Previous studies have shown that reversible chemical bond formation between phenylboronic acid (PBA) and 1,3-diol can be utilized as the driving force for the…”
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Glucose Responsive Rheological Change and Drug Release from a Novel Worm-like Micelle Gel Formed in Cetyltrimethylammonium Bromide/Phenylboronic Acid/Water System by Miki, Ryotaro, Takei, Chihiro, Ohtani, Yasushi, Kawashima, Kosuke, Yoshida, Ayaka, Kojima, Yu, Egawa, Yuya, Seki, Toshinobu, Iohara, Daisuke, Anraku, Makoto, Hirayama, Fumitoshi, Uekama, Kaneto

“…A novel glucose (Glc)-responsive gel formed by worm-like micelles (WLMs) has the potential to provide a self-regulating insulin delivery system. We have…”
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Rotaxa-polymeric-gelation of acrylamides with vinyl-β-cyclodextrin by Kobayashi, Yuki, Kojima, Yu, Miki, Ryotaro, Seki, Toshinobu, Egawa, Yuya

“…Previously, we have reported a single-step preparation method for a topological gel by copolymerizing isoprene and vinyl-modified β-cyclodextrin (V-β-CyD). In…”
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Sugar-Responsive Layer-by-Layer Film Composed of Phenylboronic Acid-Appended Insulin and Poly (vinyl alcohol) by Chihiro Takei, Yui Ohno, Tomohiro Seki, Ryotaro Miki, Toshinobu Seki, Yuya Egawa

“…Previous studies have shown that reversible chemical bond formation between phenylboronic acid (PBA) and 1,3-diol can be utilized as the driving force for the…”
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Sugar-responsive smart materials based on phenylboronic acid and cyclodextrin by Egawa, Yuya, Seki, Tomohiro, Miki, Ryotaro, Seki, Toshinobu

“…This review focuses on sugar-responsive materials based on phenylboronic acid (PBA) as a sugar-sensing motif and cyclodextrins (CyDs) as a basic skeleton of…”
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Investigation of factors that cause insulin precipitation and/or amyloid formation in insulin formulations by Ohno, Yui, Seki, Tomohiro, Kojima, Yu, Miki, Ryotaro, Egawa, Yuya, Hosoya, Osamu, Kasono, Keizo, Seki, Toshinobu

“…Multiple daily subcutaneous injections (MDSIs) are mainly used for formulating an insulin therapy for diabetic patients; however, they also cause…”
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The Use of an Artificial Skin Model to Study Transdermal Absorption of Drugs in Inflamed Skin by Oshima, Shinji, Suzuki, Chihiro, Yajima, Rina, Egawa, Yuya, Hosoya, Osamu, Juni, Kazuhiko, Seki, Toshinobu

“…Studies on drug disposition in inflamed skin are important for safe and effective application of topical drugs. Here, the absorption of flurbiprofen (FP)…”
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Sugar response of layer-by-layer films composed of poly(vinyl alcohol) and poly(amidoamine) dendrimer bearing 4-carboxyphenylboronic acid by Suwa, Keisuke, Nagasaka, Munenari, Niina, Satoshi, Egawa, Yuya, Seki, Toshinobu, Anzai, Jun-ichi

“…Multilayered thin films composed of poly(vinyl alcohol) (PVA) and 4-carboxyphenylboronic acid-modified poly(amidoamine) dendrimer (4-PBA-PAMAM) were prepared…”
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Effect of Physiological Changes in the Skin on Systemic Absorption of Tacrolimus Following Topical Application in Rats by Hazama, Yutaro, Maekawa, Toshihisa, Miki, Ryotaro, Oshima, Shinji, Egawa, Yuya, Morimoto, Kazuhiro, Seki, Toshinobu

“…Tacrolimus (TL) ointment is a topical treatment for atopic dermatitis, a disease that exhibits various skin conditions. The effect of skin pathologies on the…”
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Cell Adhesive Character of Phenylboronic Acid-Modified Insulin and Its Potential as Long-Acting Insulin by Ohno, Yui, Kawakami, Momoko, Seki, Tomohiro, Miki, Ryotaro, Seki, Toshinobu, Egawa, Yuya

“…Phenylboronic acid (PBA) derivatives have attracted substantial attention owing to their unique character of forming dynamic covalent bonds with polyol…”
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Evaluation of the Effects of Absorption Enhancers on Caco-2 Cell Monolayers by Using a Pore Permeation Model Involving Two Different Sizes by Seki, Toshinobu, Hamada, Airi, Egawa, Yuya, Yamaki, Tsutomu, Uchida, Masaki, Natsume, Hideshi, Kimura, Soichiro, Ueda, Hideo

“…We applied a parallel pore permeation model based on the Renkin molecular sieving function by using two different-sized pathways to analyze the…”
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Sugar-Sensitive Supramolecular Structures Based on Phenylboronic Acid-Modified Cyclodextrins by Nakamura, Kiminobu, Seki, Tomohiro, Egawa, Yuya, Miki, Ryotaro, Oda, Yoshiki, Yamanoi, Takashi, Seki, Toshinobu

“…Supramolecular structures were developed from phenylboronic acid-modified cyclodextrins (PBA-CyDs). The intermolecular interaction between the PBA moiety and…”
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Supramolecular Nanomachines for Sugar Responsive Insulin Release Systems by Egawa, Yuya, Seki, Toshinobu

“…Cyclodextrins (CyDs) are cyclic oligosaccharides composed of 6, 7, or 8 glucopyranoside units, named α-, β-, or γ-CD, respectively. CyDs consist of a…”
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Performance evaluation of single stage diaphragmless vertical gas gun for nitrogen and helium gas propellants by GARDINER, Peter A., EGAWA, Yuya, WATANABE, Keiko

“…The main difficulty in conducting a high velocity experiment with a projectile accelerator is predicting the projectile velocity with great accuracy. This is…”
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Fluorometric determination of inulin using 5-quinolineboronic acid and inulinase by Rikita, Takahiro, Egawa, Yuya, Seki, Toshinobu

“…Inulin is a polysaccharide composed mainly of d-fructose units and is the most reliable indicator of the glomerular filtration rate. We have proposed an inulin…”
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