Publications

研究論文(主要なものは太字)

66) H. Izawa,* F. Yasufuku, S. Ifuku, H. Saimoto, T. Matsui, K. Morihashi, M. Sumita “Unique Photophysical Properties of 1,8-Naphthalimide Derivatives: Generation of Semi-Stable Radical Anion Species by Photo-Induced Electron Transfer from a Carboxy Group” ACS Omega, 6, 13456–13465 (2021).(Highlighted as Supplementary Cover Art)
65) H. Izawa,* Y. Toyoshima, M. Morimoto, H. Saimoto, S. Ifuku “Surface wrinkles induced on oriented chitosan films via horseradish peroxidase-catalyzed reaction and drying” Chemistry Letters, 50, 252–255 (2021).
64) H. Izawa,* H. Kajimoto, M. Morimoto, H. Saimoto, S. Ifuku “Honeycomb-like porous chitosan films prepared via phase transition of poly(N-isopropylacrylamide) during water evaporation at ambient condition” RSC Advances, 10, 19730–19735 (2020).
63) Y. F. Aklog, Shinsuke Ifuku*, H. Izawa, H. Saimoto, M. Morimoto “Effect of grinder pretreatment for easy disintegration of chitin into nanofiber” Polymer, 17, 5037–5041 (2020).
62) H. Izawa,* M. Kinai, S. Nishin, S. Ifuku, M. Morimoto, H. Saimoto* “Guanidinylation of chitooligosaccharides involving internal cyclization of the guanidino group on the reducing end and effect of guanidinylation on protein binding ability” Biomolecules, 9, 259–268 (2019).
61)H. Izawa,* Y. Miyazaki, T. Yonemura, N. Ito, Y. Okamoto, S. Ifuku, M. Morimoto, H. Saimoto* “Polysaccharide-based wrinkled surfaces induced by polyion complex skin layers upon drying” Polymer Journal, 51, 675–683 (2019).(Selected as a Featured ArticlePolymer Journal論文賞-日本ゼオン賞)
60) H. Izawa,* M. Kinai, S. Nishin, S. Ifuku, M. Morimoto, H. Saimoto* “Guanidinylated chitosan inspired by arginine-rich cell penetrating peptides” International Journal of Biological Macromolecules, 125, 901–905 (2019).
59) H. Izawa,* M. Wada, S. Nishino, M. Sumita, T. Fujita, K. Morihashi, S. Ifuku, M. Morimoto, H. Saimoto* “Discrimination of anionic polysaccharides via monomer-excimer switching and photo-induced colorimetric reaction of 1-methyl-3-(N-(1,8-naphthalimidyl)ethyl) imidazolium” Bulletin of the Chemical Society of Japan, 91, 1220–1225 (2018).
58) H. Izawa,* N. Okuda, T. Yonemura, K. Kuroda, K. Ochi, S. Ifuku, M. Morimoto, H. Saimoto, M. Noda, K. Azuma,* N. Ito* “Application of Bio-Based Wrinkled Surfaces as Cell Culture Scaffolds” Colloids and Interfaces, 2, 15–25 (2018).
57) T. Otsuka, M. Sumita, H. Izawa, K. Morihashi, “Theoretical study on photo-induced processes of 1-methyl-3-(N-(1,8-naphthalimidyl)ethyl)imidazolium halide species: an application of constrained density functional theory” Physical Chemistry Chemical Physics, 20, 3911-3917 (2018). (Selected as Back Cover)
56)H. Izawa,* Y. Dote, N. Okuda, S. Ifuku, M. Morimoto, H. Saimoto* “Wood-mimetic skins prepared using horseradish peroxidase catalysis to induce surface wrinkling of chitosan film upon drying” Carbohydrate Polymers, 173, 519–525 (2017).
55) Y. F. Aklog, T. Nagae, H. Izawa, H. Saimoto, Shinsuke Ifuku* “Effect of grinder pretreatment for easy disintegration of chitin into nanofiber” Journal of Nanoscience and Nanotechnology, 17, 5037–5041 (2017).
54) R. Koizumi, K. Azuma,* H. Izawa, M. Morimoto, K. Ochi, T. Tsuka, T. Imagawa, T. Osaki, N. Ito, Y. Okamoto, H. Saimoto, S. Ifuku* “Oral administration of surface-deacetylated chitin nanofibers and chitosan inhibit 5-fluorouracil-induced intestinal mucositis in mice” ” International Journal of Molecular Sciences, 18, 279-289 (2017).
53)H. Izawa,* N. Okuda, A. Moriyama, Y. Miyazaki, S. Ifuku, M. Morimoto, H. Saimoto* “Biobased Wrinkled Surfaces Induced by Wood Mimetic Skins Upon Drying: Effect of Mechanical Properties on Wrinkle Morphology” Langmuir, 32, 12799–12804 (2016).
52) Y. Daimon, N. Kamei, K. Kawakami,* M. Takeda-Morishita, H. Izawa, Y. Takechi-Haraya, H. Saito, H, Sakai, M. Abe, K. Ariga “Dependence of intestinal absorption profile of insulin on carrier morphology composed of β-cyclodextrin-grafted chitosan” Molecular Pharmatics, 16, 4034–4042 (2016).
51) Y. F. Aklog, T. Nagae, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “Preparation of chitin nanofibers by surface esterification of chitin with maleic anhydride and mechanical treatment” Carbohydrate Polymers, 153, 55–59 (2016).
50) T. Otsuka, M. Sumita,* H. Izawa, K. Morihashi “Intermolecular electron transfer states of 1-methyl-3-(N-(1, 8-naphthalimidyl) ethyl) imidazolium iodide obtained by constrained density functional theory” Physical Chemistry Chemical Physics, 18, 17795-17798 (2016). (Selected as Back Cover)
49)H. Izawa,* Y. Miyazaki, S. Ifuku, M. Morimoto, H. Saimoto* “Fully bio-based oligophenolic nanoparticle prepared by horseradish peroxidase-catalyzed polymerization” Chemistry Letters, 45, 631–633 (2016).
48) R. Izumi, K. Azuma, H. Izawa, M. Morimoto, M. Nagashima, T. Osaki, T. Tsuka, T. Imagawa, N. Ito, Y. Okamoto, H. Saimoto, S. Ifukua “Chitin nanofibrils suppress skin inflammation in atopicdermatitis-like skin lesions in NC/Nga mice” Carbohydrate Polymers, 146, 320–327 (2016).
47)H. Izawa,* K. Yamamoto, S. Yoshihashi, S. Ifuku, M. Morimoto, H. Saimoto “Facile preparation of cyclodextrin-grafted chitosans and their conversion into nanoparticles for anticancer drug delivery system” Polymer Journal, 48, 203-207 (2016).
46) M. Kawata, K. Azuma, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku, “Biomineralization of calcium phosphate crystals on chitin nanofiber hydrogel for bone regeneration material” Carbohydrate Polymers, 136, 964-969 (2016).
45) M. Egusa, R. Iwamoto, H. Izawa, M. Morimoto, H.,Saimoto, H. Kaminaka, S. Ifuku “Characterization of chitosan nanofiber sheets for antifungal application” International Journal of Molecular Sciences, 16, 26202-26210 (2015).
44)H. Izawa,* N. Okuda, S. Ifuku, M. Morimoto, H. Saimoto,* O. J. Rojas “Bio-based wrinkled surfaces harnessed from biological design principles of wood and peroxidase activity” ChemSusChem, 8, 3892–3896 (2015).
43) K. Azuma, R. Izumi, M. Kawata, T. Nagae, T. Osaki, Y. Murahata, T. Tsuka, T. Imagawa, N. Ito, Y. Okamoto, M. Morimoto, H. Izawa, H. Saimoto, S. Ifuku* “Effects of oral administration of chitin nanofiber on plasma metabolites and gut microorganisms” International Journal of Molecular Sciences, 16, 21931-21949 (2015).
42) K. Azuma, T. Nagae, T. Nagai, H. Izawa, M. Morimoto, Y. Murahata, T. Osaki, T. Tsuka, T. Imagawa, N. Ito, Y. Okamoto, H. Saimoto, S. Ifuku* “Effects of surface-deacetylated chitin nanofibers in an experimental model of hypercholesterolemia” International Journal of Molecular Sciences, 16, 17445-17455 (2015).
41) S. Ifuku,* T. Urakami, H. Izawa, M. Morimoto, H. Saimoto “Preparation of a protein-chitin nanofiber complex from crab shells and its application as a reinforcement filler or substrate for biomineralization” RSC Advances, 5, 64196-64201 (2015).
40) S. Ifuku,* H. Maeta, H. Izawa, M. Morimoto, H. Saimoto ‘’Preparation of Polybenzoxazole Nanofibers by a Downsizing Process” RSC Advances, 5, 35307-35310 (2015).
39) A. K. Dutta, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “A green approach to endow chitin nanofiber with fluorescence” Journal of Chitin and Chitosan Science, 3, 53-56 (2015).
38)H. Izawa,* S. Nishino, M. Sumita, K. Morihashi, S. Ifuku, M. Morimoto, H. Saimoto “A novel 1,8-Naphthalimide derivative with an open space for an anion: Unique fluorescence behaviour depending on the binding anion’s electrophilic property” Chemical Communications, 51, 8596-8599 (2015).(Selected as Back Cover)
37) Y, Takechi-Haraya, K. Tanaka, K. Tsuji, Y. Asami, H. Izawa, A. Shigenaga, A. Otaka, H. Saito, K. Kawakami* “Molecular complex composed of beta‑cyclodextrin-grafted chitosan and pH-sensitive amphipathic peptide for enhancing cellular cholesterol efflux under acidic pH” Bioconjugate chemistry, 26, 572−581 (2015).
36) R. Izumi, S. Komada, K. Ochi, L. Karasawa, T. Osaki, Y. Murahata, T. Tsuka, T. Imagawa, N. Itoh, Y. Okamoto, H. Izawa, M. Morimoto, H. Saimoto, K. Azuma, S. Ifuku* “Favorable effects of superficially deacetylated chitin nanofibrils on the wound healing process” Carbohydrate Polymers, 123, 461-467 (2015).
35) Shinsuke Ifuku,* Taishi Hori, H. Izawa, M. Morimoto, H. Saimoto “Preparation of zwitterionically charged nanocrystals by surface TEMPO-mediated oxidation and partial deacetylation of alpha-chitin” Carbohydrate Polymers, 122, 1-4 (2015).
34) K. Azuma, M. Nishihara, H. Shimizu, Y. Itou, O. Takashima, T. Osaki, N. Itoh, T. Imagawa, Y. Murahata, T. Tsuka, H. Izawa, S. Ifuku, S. Minami, H. Saimoto, Y. Okamoto, M. Morimoto* “Biological adhesive based on carboxymethyl chitin derivatives and chitin nanofibers” Biomaterials, 42, 20-29 (2015).
33) Y. F. Aklog, A. K. Dutta, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “Preparation of chitosan nanofibers from completely deacetylated chitosan powder by a downsizing process” International Journal of Biological Macromolecules, 72, 1191-1195 (2015).
32) S. Ifuku,* Y. Tsukiyama, T. Yukawa, M. Egusa, H. Kaminaka, H. Izawa, M. Morimoto, H. Saimoto “Facile preparation of silver nanoparticles immobilized on chitin nanofiber surfaces to endow antifungal activities” Carbohydrate Polymers, 117, 813-817 (2015).
31) A. K. Dutta, M. Egusa, H. Kaminaka, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “Facile preparation of surface N-halamine chitin nanofiber to endow antibacterial and antifungal activities” Carbohydrate Polymers, 115, 342-347 (2015).
30) A. K. Dutta, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “Novel preparation of chitin nanocrystals by H2SO4 and H3PO4 hydrolysis followed by high-pressure water jet treatments” Journal of Chitin and Chitosan Science, 2, 179-184 (2014).
29) S. Ifuku,* N. Suzuki, H. Izawa, M. Morimoto, H. Saimoto “Surface maleylation and naphthaloylation of chitin nanofibers for property enhancement” Reactive & Functional Polymers, 85, 121-125 (2014).
28) S. Ifuku,* H. Maeta, H. Izawa, M. Morimoto, H. Saimoto “Facile preparation of aramid nanofibers from Twaron fibers by a downsizing process” RSC Advances, 4, 40377-40380 (2014).
27) S. Ifuku,* N. Suzuki, H. Izawa, M. Morimoto, H. Saimoto “Surface phthaloylation of chitin nanofiber in aqueous media to improve solubility in aromatic solvents and give thermo-responsive and ultraviolet protection protperties” RSC Advances, 4, 19246-19250 (2014).
26) Y. Daimon,H. Izawa,* K. Kawakami*, P. Zywicki, H. Sakai, M. Abe, J. P. Hill, K. Ariga “Media-dependent morphology of supramolecular aggregates of beta-cyclodextrin-grafted chitosan and insulin through multivalent interactions”Journal of Materials Chemistry B, 2, 1802-1812 (2014).
25)H. Izawa,* S. Nishino, H. Maeda, K. Morita, S. Ifuku, M. Morimoto, H. Saimoto, J. Kadokawa "Mineralization of hydroxyapatite upon a unique xanthan gum hydrogel by an alternate soaking process" Carbohydrate Polymers, 102, 846–851 (2014).
24) M. Morimoto,* M. Takatori, T. Hayashi, D. Mori, O. Takashima, S. Yoshida, K. Sato, H. Kawamoto, J. Tamura, H. Izawa, S. Ifuku, H. Saimoto “Depolymerization of sulfated polysaccharides under hydrothermal conditions” Carbohydrate Research, 384, 56–60 (2014).
23) S. Ifuku,* A. Ikuta, M. Egusa, H. Kaminaka, H. Izawa, M. Morimoto, H. Saimoto “Preparation of high-strength transparent chitosan film reinforced with surface-deacetylated chitin nanofibers” Carbohydrate Polymers, 98, 1198-1202 (2013).
22) S. Ifuku,* K. Nakata, A. Ikuta, T. Oba, Z. Shervani, A. K. Dutta, H. Izawa, M. Morimoto, H. Saimoto “Preparation of chitin nanofiber-reinforced double-decker-shaped polysilsesquioxane film” Journal of Chitin and Chitosan Science, 1, 21-25 (2013).
21) A. K. Dutta, K. Yamada, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “Preparation of Chitin Nanofibers from Dry Chitin Powder by Star Burst System: Dependence on Number of Passes” Journal of Chitin and Chitosan Science, 1, 59-64 (2013).
20) A. K. Dutta, N. Kawamoto, G. Sugino, H. Izawa, M. Morimoto, H. Saimoto, S. Ifuku* “Simple preparation of chitosan nanofibers from dry chitosan powder by the Star Burst system” Carbohydrate Polymers, 97, 363-367 (2013).
19) Y. Kosaki,H. Izawa,* S. Ishihara*, K. Kawakami, M. Sumita, Y. Tateyama, Q. Ji, V. Krishnan, S. Hishita, J. P. Hill, A. Vinu, S. Shiratori*, K. Ariga* “Nanoporous carbon sensor with cage-in-fiber structure: highly-selective aniline adsorbent towards cancer risk management” ACS Applied Materials & Interfaces, 5, 2930-2934 (2013).
18)H. Izawa, K. Kawakami,* M. Sumita, Y. Tateyama, J. P. Hill, K. Ariga* “beta-Cyclodextrin-crosslinked alginate gel for patient-controlled drug delivery systems: regulation of host–guest interactions with mechanical stimuli” Journal of Materials Chemistry B, 1, 2155-2161 (2013). (Most read article; 3rd, 2013, March,)
17) Y. Takemoto, H. Izawa, Y. Umegatani, K. Yamamoto, A. Kubo, M. Yanase, T. Takaha, J. Kadokawa* “Synthesis of highly branched anionic alpha-glucans by thermostable phosphorylase-catalyzed alpha-glucuronylation” Carbohydrate Research, 366, 38-44 (2013).
16) Y. Umegatani, H. Izawa, M. Nawaji, K. Yamamoto, A. Kubo, M. Yanase, T. Takaha, J. Kadokawa* “Enzymatic alpha-glucuronylation of maltooligosaccharides using alpha-glucuronic acid 1-phosphate as glycosyl donor catalyzed by a thermostable phosphorylase from Aquifex aeolicus VF5” Carbohydrate Research, 350, 81-85 (2012).
15) J. Kadokawa,* H. Izawa, T. Ohta, S. Wakizono, K. Yamamoto “Photo-induced reduction reaction of methylene blue in an ionic liquid” International Journal of Organic Chemistry, 1, 158-161 (2011).
14) S. Mine, K. Prasad, H. Izawa, K. Sonoda, J. Kadokawa* “Preparation of guar gum-based functional materials using ionic liquid” Journal of Materials Chemistry, 20, 9220–9225 (2010).
13)H. Izawa, S. Wakizono, J. Kadokawa* “Fluorescence resonance-energy-transfer in systems of Rhodamine 6G with ionic liquid showing emissions by excitation at wide wavelength areas” Chemical Communications, 46, 6359-6361 (2010).
12)H. Izawa, J. Kadokawa* “Preparation and characterizations of functional ionic liquid-gel and hydrogel materials of xanthan gum” Journal of Materials Chemistry, 20, 5235-5241 (2010).
11) S. Kawazoe, H. Izawa, M. Nawaji, Y. Kaneko, J. Kadokawa* “Phosphorylase-catalyzed N-formyl--glucosaminylation of maltooligosaccharides” Carbohydrate Research, 345, 631-636 (2010).
10)H. Izawa, M. Nawaji, Y. Kaneko, J. Kadokawa* “Preparation of glycogen-based polysaccharide materials by phosphorylase-catalyzed chain-elongation of glycogen” Macromolecular Bioscience, 9, 1098-1104 (2009).
9)H. Izawa, Y. Kaneko, J. Kadokawa “Unique gel of xanthan gum with ionic liquid and its conversion into high performance hydrogel” Journal of Materials Chemistry, 19, 6969-6972 (2009).
8) S. Mine, H. Izawa, Y. Kaneko, J. Kadokawa* “Acetylation of -chitin in ionic liquids” Carbohydrate Research, 344, 2263-2265 (2009).
7) K, Prasad, H. Izawa, Y. Kaneko, J. Kadokawa* “Preparation of temperature-induced shapeable film material from guar gum-based gel with an ionic liquid” Journal of Materials Chemistry, 19, 4088-4090 (2009).
6)H. Izawa, Y. Kaneko, and J. Kadokawa* “Apparent production of enzymatically synthesized amylose in DMSO by means of calcium alginate hydrogel beads/DMSO System” Journal of Carbohydrate Chemistry, 28, 179-190 (2009).
5) M. Nawaji, H. Izawa, Y. Kaneko, J. Kadokawa* “Enzymatic alpha-glucosaminylation of maltooligosaccharides catalyzed by phosphorylase” Carbohydrate Research, 343, 2692-2696 (2008).
4) M. Nawaji, H. Izawa, Y. Kaneko, J. Kadokawa* “Enzymatic synthesis of alpha-D-xylosylated maltooligosaccharides by phosphorylase-catalyzed xylosylation” Journal of Carbohydrate Chemistry, 27, 214-222 (2008).
3) H. Kuroda,* H. Izawa “Synthesis and triethylamine-catalyzed cyclization reaction of 4-pentyne-1,3-diones system having various substituents” Chinese Journal of Chemistry, 26, 1944-1947 (2008).
2) H. Kuroda,* H. Izawa “Synthesis and acid- or base- catalyzed cyclization of various 4-pentyne-1,3-dione derivatives” Bulletin of the Chemical Society of Japan, 80, 780-782 (2007).
1) H. Kuroda,* E. Hanaki, H. Izawa, M. Kano, H. Itahashi “A convenient method for the preparation of alpha-vinylfurans by phosphine-initiated reactions of various substituted enynes bearing a carbonyl group with aldehydes” Tetrahedron, 60, 1913-1920 (2004).

総説

7) 井澤浩則 “キトサンを用いて微細構造を創製する新規アプローチの開拓”, キチン・キトサン研究, 1, 45-51 (2019).
6)H. Izawa* “Preparation of bio-based wrinkled surfaces via lignification mimetic reactions and drying: A new approach to develop surface wrinkling” Polymer Journal, 49, 759–765 (2017).(Selected as Cover)
5)H. Izawa,* Y. Haraya, K. Kawakami, “Cyclodextrin-grafted chitosans for pharmaceutical applications” Trends in Glycoscience and Glycotechnology, 29, E953–E958 (2017).
4) K. Kawakami, M. Ebara, H. Izawa, N. M. Sanchez-Ballester, J. P. Hill, K. Ariga, “Supramolecular approaches for drug development” Current Medicinal Chemistry., 19, 2388-2398 (2012).
3) K. Ariga, S. Ishihara, H. Izawa, H. Xia, J. Hill, “Operation of micro and molecular machines: a new concept with its origins in interface science” Physical Chemistry Chemical Physics, 13, 4802-4811 (2011).
2) K. Ariga, G. J. Richards, S. Ishihara, H. Izawa, J. P. Hill, “Intelligent chiral sensing based on supramolecular and interfacial concepts” Sensors, 10, 6796-6820 (2010).
1) 石原伸輔, 井澤浩則, 有賀克彦, “不斉(キラル)認識の新たな展開:界面・超分子現象によるトリック”, 表面, 48, 21-28 (2010).

記事など

6) 井澤浩則 “樹木細胞壁を模倣したスキン層が誘起するバイオベースリンクル表面” 塗装工学、Vol. 52、No 8、4-8 (2017).
5) 井澤浩則 “Hot Topic樹木細胞壁を模倣したバイオベースリンクル表面” 日本化学会 化学と工業、Vol. 70-8, 690 (2017).
4) 井澤浩則 “天然資源と酵素反応のみから調製されるバイオベースリンクル表面” 化学工業、68巻、2017年
3) 井澤浩則 ”キチンをほぐす科学の今昔” 化学と教育、64巻、184-187、2016年.
2) 井澤浩則 ”応用展開に向けた”鳥取発”キチン・キトサン研究の動向”、化学と工業、68-3, 264-265 (2015).
1) 井澤浩則、川上亘作、有賀克彦 “物理刺激で薬物を放出するゲル担体を利用した患者制御型ドラッグデリバリーシステム” Drug Delivery System、DDS学会、28 巻、92-98、2013年.

著書

2) K. Ariga, G. J. Richards, M. Akamatsu, H. Izawa, J. P. Hill, 『Supramolecular Materials Nanoarchitectonics』 in MANIPULATION OF NANOSCALE MATERIALS: AN INTRODUCTION TO NANOARCHITECTONICS, Ed. by K. Ariga, RSC book chapter (2012).
1) H. Izawa, J. Kadokawa,『Preparation of Functional Amylosic Materials by Phosphorylase-catalyzed Polymerization』 in Interfacial Researches in Fundamental and Material Science of Oligo- and Polysaccharides, Ed. by J. Kadokawa, Transworld Research Network, Trivandrum, Chapter 4 (2010).