Publications of Associate Professor Kensuke Naka

Publications of Associate Professor Kensuke Naka

1. Tumor Cell-Specific Prodrugs Using Arsonic Acid-Presenting Iron Oxide Nanoparticles with High Sensitivity
   • Minehara, H.; Narita, A.; Naka, K.; Tanaka, K.; Chujo. M.; Nagao, M.; Chujo, Y. Submitted.

1. Syntheses and properties of star- and dumbbell-shaped POSS derivatives containing isobutyl groups
   • Araki, H.; Naka, K. Polymer Journal ASAP.

1. Structural Diversity in The Coordination of 1,4-Dihydro-1,4-diarsinine as a Cyclic Ditopic Organoarsenic Ligand to Metal Ions
   • Arita, M.; Naka, K.; Morisaki, Y.; Chujo, Y. Heteroatom Chemistry ASAP.

1. Tuning of Inter-particle Distances between Imidazolium-Modified Gold Nanoparticles in Dispersive Clusters via Anion Exchange
   • Miyoshi, E.; Naka, K.; Tanaka, K.; Narita, A.; Chujo, Y. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2011, 390(1-3), 126-133.

1. Syntheses of Dumbbell-Shaped Trifluoropropyl-Substituted POSS Derivatives Linked by Simple Aliphatic Chains and Their Optical Transparent Thermoplastic Films
   • Araki, H.; Naka, K. Macromolecules 2011, 44(15), 6039-6045.

1. Arsonic Acid-Presenting Superparamagnetic Iron Oxide for pH-Responsive Aggregation under Slight Acidic Conditions
   • Minehara, H.; Naka, K.; Tanaka, K.; Narita, A.; Chujo, Y. Bioorganic & Medicinal Chemistry 2011, 19(7), 2282-2286.

1. Synthesis and Low-temperature Dehydrating Imidation Polymerization of 1,4-Dihydro-1,4-diarsininetetracarboxylic Acid Dianhydride
   • Naka, K.; Arita, M.; Shimamoto, T.; Morisaki, Y.; Chujo. Y. Polymer Journal 2011, 43(4), 358-363.

1. 1,4-Dihydro-1,4-diarsinine-Bridged Dinuclear trans-Dihaloplatinum(II) Complexes: Synthesis and Controlled Pt-Pt Interaction by Halogen Substitution Induced Conformational Change
   • Arita, M.; Naka, K.; Shimamoto, T.; Yumura, T.; Nakahashi, A.; Morisaki, Y.; Chujo, Y. Organometallics 2010, 29(21), 4992-5003.

1. A carbonate controlled-addition method for size-controlled calcium carbonate spheres by carboxylic acid-terminated poly(amidoamine) dendrimers
   • Tanaka, Y.; Naka, K. Polymer Journal 2010, 42(8), 676-683. (cover picture)

1. Synthesis of poly(vinylene-arsine)s-stabilized silver nanoparticles
   • Naka, K.; Nakahashi, A.; Bravo, M.; Chujo, Y. Applied Organometallic Chemistry 2010, 24(8), 573-575.

1. Synthesis and Characterization of Stereoisomers of 1,4-Dihydro-1,4-diarsinines
   • Arita, M.; Naka, K.; Morisaki, Y.; Nakahashi, A.; Chujo, Y. Organometallics 2009, 28(20), 6109-6113.

1. Preparation and Fluorescence Properties of Fluorophore-Labeled Avidin-Biotin System Immobilized on Fe3O4 Nanoparticles Through Functional Indolequinone Linker
   • Hirata, N.; Tanabe, K.; Narita, A.; Tanaka, K.; Naka, K.; Chujo, Y.; Nishimoto, S. Bioorganic & Medicinal Chemistry 2009, 17(11), 3775-3781.

1. Synthesis of Block Copolymers with a Pentasilane Core
   • Morisaki, Y.; Otaka, H.; Naka, K.; Chujo, Y. Macromolecular Rapid Communications 2009, 30(11), 948-953.

1. Synthesis of Helical Polymers with a Pentasilane Core
   • Morisaki, Y.; Otaka, H.; Nagai, A.; Naka, K.; Chujo, Y. Chemistry Letters, 2009, 38(5), 498-499.

1. Effect of substituent groups for formation of organic-metal hybrid nanowires by charge-transfer of tetrathiafulvalene derivatives with metal ion
   • Naka, K.; Ando, D.; Chujo, Y. Synthetic Metals, 2009, 159(9-10), 931-934.

1. Modulation of Morphology and Conductivity of the Mixed-Valence TTF Nanofibers by Coexisting Organic Acid Anions
   • Tanaka, K.; Kunita, T.; Ishiguro, F.; Naka, K.; Chujo, Y. Langmuir 2009, 25(12), 6929-6933.

1. Improving Proton Relaxivity of Dendritic MRI Contrast Agents by Rigid Silsesquioxane Core
   • Tanaka, K.; Kitamura, N.; Naka, K.; Morita, M.; Inubushi, T.; Chujo, M.; Nagao, M.; Chujo, Y. Polymer Journal, 2009, 41, 287-292.

1. Effects of Diphenyl Dichalcogenides on the Radical Polymerization of Diethynyl Disulfide Derivative
   • Nakahashi, A.; Miyoshi, E.; Naka, K.; Chujo, Y. Journal of Inorganic and Organometallic Polymers and Materials, 2009, 19(1), 55-66.

1. Facile control of silica shell layer thickness on hydrophilic iron oxide nanoparticles via reverse micelle method
   • Narita, A.; Naka, K.; Chujo, Y. Colloids and Surfaces, A: Physicochemical and Engineering Aspects, 2009, 336(1-3), 46-56.

1. Multi-Modal 19F NMR Probe Using Perfluorinated Cubic Silsesquioxane-Coated Silica Nanoparticles for Monitoring Enzymatic Activity
   • Tanaka, K.; Kitamura, N.; Naka, K.; Chujo, Y. Chemical Communications 2008, 6176-6178.

1. Biomedical applications of imidazolium cation-modified iron oxide nanoparticles
   • Naka, K.; Narita, A.; Tanaka, H.; Chujo, Y.; Morita, M.; Inubushi, T.; Nishimura, I,; Hiruta, J.; Shibayama, H.; Koga, M.; Ishibashi, S.; Seki, J.; Kizaka-Kondoh, S.; Hiraoka, M. Polymers for Advanced Technologies 2008, 19, 1421-1429.

1. Enhancement of entrapping ability of dendrimers by a cubic silsesquioxane core
   • Tanaka, K.; Inafuku, K.; Naka, K.; Chujo, Y., Organic & biomolecular chemistry 2008, 6(21), 3899-3901.

1. Bidentate coordination effect on polycondensation of amino acid esters between metal triflates and methoxy groups
   • Nemoto, T., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2008, 46 (8), 2864-2868.

1. Effect of molecular weights of poly(acrylic acid) on crystallization of calcium carbonate by the delayed addition method
   • Huang, S.-C., Naka, K., Chujo, Y. Polymer Journal 2008, 40 (2), 154-162.

1. Stabilized spherical aggregate of palladium nanoparticles prepared by reduction of palladium acetate in octa(3-aminopropyl)octasilsesquioxane as a rigid template
   • Naka, K., Sato, M., Chujo, Y. Langmuir 2008, 24 (6), 2719-2726.

1. Stoichiometric complexation of palladium(II) with 1,4-dihydro-1,4- diarsinine as a rigid symmetrical bidentate ligand
   • Naka, K., Nakahashi, A., Arita, M., Chujo, Y. Organometallics 2008, 27 (6), 1034-1036.

1. Control of self-assembling processes of polyamidoamine dendrimers and Pd nanoparticles
   • Tanaka, H., Hashimoto, T., Koizumi, S., Itoh, H., Naka, K., Chujo, Y. Macromolecules 2008, 41 (5), 1815-1824.

1. pH responsive aggregation of imidazolium cations-modified gold nanoparticles with poly(acrylic acid) in aqueous solution
   • Naka, K., Tanaka, H., Chujo, Y. Polymer Journal 2007, 39 (11), 1122-1127.

1. A carbonate controlled-addition method for amorphous calcium carbonate spheres stabilized by poly(acrylic acid)s
   • Huang, S.-C., Naka, K., Chujo, Y. Langmuir 2007, 23 (24), 12086-12095.

1. Functional polymers based on electron-donating TTF and derivatives
   • Inagi, S., Naka, K., Chujo, Y. Journal of Materials Chemistry 2007, 17 (39), 4122-4135.

1. Synthesis of optically active p-chiral and optically inactive oligophosphines
   • Morisaki, Y., Ouchi, Y., Naka, K., Chujo, Y. Chemistry - An Asian Journal 2007, 2 (9), 1166-1173.

1. Synthesis of sulfur-containing hyperbranched polymers by the bisthiolation polymerization of diethynyl disulfide derivatives
   • Nakahashi, A., Fujita, M., Miyoshi, E., Umeyama, T., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2007, 45 (16), 3580-3587.

1. Synthesis and properties of an amphiphilic dithiafulvene oligomer
   • Inagi, S., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2007, 45 (16), 3770-3775.

1. Water-soluble anionic POSS-core dendrimer: Synthesis and copper(II) complexes in aqueous solution
   • Naka, K., Fujita, M., Tanaka, K., Chujo, Y. Langmuir 2007, 23 (17), 9057-9063.

1. Synthesis of poly (vinylene-phosphine)s: Ring-collapsed radical alternating copolymerization of methyl-substituted cyclooligophosphine with acetylenic compounds
   • Naka, K., Umeyama, T., Nakahashi, A., Chujo, Y. Macromolecules 2007, 40 (14), 4854-4858.

1. Combined in situ and time-resolved SANS and SAXS studies of chemical reactions at specific sites and self-assembling processes of reaction products: reduction of palladium ions in self-assembled polyamidoamine dendrimers as a template
   • Tanaka, H., Koizumi, S., Hashimoto, T., Itoh, H., Satoh, M., Naka, K., Chujo, Y. Macromolecules 2007, 40 (12), 4327-4337.

1. Self-organized multilayer films and porous nanocomposites of gold nanoparticles with octa(3-aminopropyl)octasilsesquioxane
   • Wang, X., Naka, K., Zhu, M., Kuroda, H., Itoh, H., Chujo, Y. Journal of Inorganic and Organometallic Polymers and Materials 2007, 17 (2), 447-457.

1. Poly(dithiafulvene)s containing alkoxy groups and mesogenic moiety in the side chain: Synthesis, properties and their charge-transfer complex
   • Inagi, S., Naka, K., Chujo, Y. Polymer Bulletin 2007, 59 (1), 45-52.

1. A combined small-angle scattering study of a chemical reaction at specific sites and reaction-induced self-assembly as a problem in open non-equilibrium phenomena
   • Hashimoto, T., Tanaka, H., Koizumi, S., Naka, K., Chujo, Y. Journal of Applied Crystallography 2007, 40 (SUPPL. 1), s73-s77.

1. 1,4-dihydro-1,4-diarsinine: Facile synthesis via nonvolatile arsenic intermediates by radical reactions
   • Nakahashi, A., Naka, K., Chujo, Y. Organometallics 2007, 26 (7), 1827-1830.

1. Synthesis of organic-metal hybrid nanowires by cooperative self-organization of tetrathiafulvalene and metallic gold via charge-transfer
   • Naka, K., Ando, D., Wang, X., Chujo, Y. Langmuir 2007, 23 (6), 3450-3454.

1. Periodic terpolymerization of cyclooligoarsine, cyclooligostibine, and acetylenic compound
   • Naka, K., Nakahashi, A., Chujo, Y. Macromolecules 2007, 40 (5), 1372-1376.

1. Synthesis of optically active oligomers consisting of chiral phosphorus atoms: capture of an intermediate between a polymer and a small molecule
   • Morisaki, Y., Ouchi, Y., Naka, K., Chujo, Y. Tetrahedron Letters 2007, 48 (8), 1451-1455.

1. Layer-by-layer films based on charge transfer interaction of π-conjugated poly(dithiafulvene) and incorporation of gold nanoparticles into the films
   • Wang, X., Naka, K., Wang, C., Itoh, H., Uemura, T., Chujo, Y. Journal of Applied Polymer Science 2007, 103 (3), 1608-1615.

1. Polycondensation of activated L-valine and L-leucine esters with various lewis acids
   • Nemoto, T., Ando, D., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2007, 45 (3), 543-547.

1. Effect of iron (III) hydroxide sol as a support for oligomerization of l-phenylalanine in aqueous solution
   • Naka, K., Tampo, Y., Chujo, Y. Journal of Organometallic Chemistry 2007, 692 (1-3), 436-441.

1. Oxidative polymerization of silylthioketene dimer
   • Naka, K., Inagi, S., Chujo, Y. Macromolecular Rapid Communications 2006, 27 (24), 2113-2117.

1. Synthesis of electron-donating polymer having vinylogous TTF in the main chain
   • Inagi, S., Naka, K., Iida, D., Chujo, Y. Polymer Journal 2006, 38 (11), 1146-1151.

1. Ring-collapsed radical alternating copolymerization of phenyl-substituted cyclooligostibine and acetylenic compounds
   • Naka, K., Nakahashi, A., Chujo, Y. Macromolecules 2006, 39 (24), 8257-8262.

1. Self-assembly of functionalized gold nanoparticles with rigid and flexible multifunctional linkers
   • Li, W., Zhu, M., Wang, X., Zhou, X., Naka, K., Chujo, Y. Journal of Macromolecular Science, Part A: Pure and Applied Chemistry 2006, 43 (11), 1733-1739.

1. Self-organized nanocomposite of gold nanoparticles and π-electron organic molecules
   • Zhu, M., Wang, X., Naka, K., Zhou, X., Chujo, Y. Journal of Macromolecular Science, Part A: Pure and Applied Chemistry 2006, 43 (11), 1801-1805.

1. Delayed action of synthetic polymers for controlled mineralization of calcium carbonate
   • Naka, K. Topics in Current Chemistry 2006, 271, 119-154.

1. Formation of stable vaterite with poly(acrylic acid) by the delayed addition method
   • Naka, K., Huang, S.-C., Chujo, Y. Langmuir 2006, 22 (18), 7760-7767.

1. Polycondensation of α-amino acid esters in the presence of yttrium triflate as a Lewis acid
   • Nemoto, T., Ando, D., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 44 (16), 2006, 4731-4735.

1. Self-assembly of functionalized gold nanoparticles with rigid and flexible multifunctional linkers
   • Li, W., Zhu, M., Wang, X., Zhou, X., Naka, K., Chujo, Y. Journal of Macromolecular Science, Part B: Physics 2006, 45 B (4), 549-555.

1. Polymerization of bisdithiafulvenes with conjugated spacers using oxidative dimerization
   • Naka, K., Inagi, S., Murachi, Y., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2006, 44 (6), 2027-2033.

1. Microporous nanocomposites of Pd and Au nanoparticles via hierarchical self-assembly
   • Wang, X., Naka, K., Zhu, M., Itoh, H., Chujo, Y. Langmuir 2005, 21 (26), 12395-12398.

1. Oxidation polymerization of a charge-transfer complex of 2,6-bis(2-thienyl)-1,4-dithiafulvene with 7,7,8,8-tetracyanoquinodimethane
   • Gelover-Santiago, A., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2005, 43 (24), 6592-6598.

1. Synthesis of oligomers including eight P-chiral centers and the construction of the 12-phosphacrown-4 skeleton
   • Morisaki, Y., Ouchi, Y., Fukui, T., Naka, K., Chujo, Y. Tetrahedron Letters 2005, 46 (41), 7011-7014.

1. Synthesis of soluble electron-donating polymers containing vinylogous TTF by oxidative dimerization of 1,4-bisdithiafulvenyl-2,5-dialkoxybenzene
   • Naka, K., Inagi, S., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2005, 43 (19), 4600-4608.

1. Amphiphilic tetrathiafulvalene derivative: Charge-transfer complexation behavior in solutions
   • Naka, K., Inagi, S., Uemura, T., Chujo, Y. Bulletin of the Chemical Society of Japan 2005, 78 (3), 519-522.

1. Self-assembly of gold nanoparticles utilizing a charge-transfer interaction between carbazolyl and dinitrophenyl units
   • Naka, K., Itoh, H., Chujo, Y. Bulletin of the Chemical Society of Japan 2005, 78 (3), 501-505.

1. Synthesis of π-conjugated poly(dithiafulvene) by cycloaddition polymerization of aldothioketene from a Bis(1,2,3-thiadiazole) monomer
   • Naka, K., Gelover-Santiago, A., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42 (23), 5872-5876.

1. Self-organized wire-like aggregates of palladium nanoparticles with poly(amidoamine)dendrimer
   • Naka, K., Itoh, H., Chujo, Y. Chemistry Letters 2004, 33 (10), 1236-1237.

1. Synthesis and properties of cross-linked poly(vinylenearsine)
   • Umeyama, T., Naka, K., Bravo, M.D., Nakahashi, A., Chujo, Y. Polymer Bulletin 2004, 52 (3-4), 191-199.

1. Different shapes of spherical vaterite by photo-induced cis-trans isomerization of an azobenzene-containing polymer in a mixture of dimethyl sulfoxide and water
   • Keum, D.-K., Na, H.-S., Naka, K., Chujo, Y. Journal of Crystal Growth 2004, 270 (3-4), 655-661.

1. Preparation of gold nanoparticles protected by a cubic silsesquioxane and their monolayer formation on a glass substrate
   • Naka, K., Itoh, H., Chujo, Y. Bulletin of the Chemical Society of Japan 2004, 77 (9), 1767-1771.

1. Spontaneous ring-collapsed alternating copolymerization of a homocyclic arsenic compound and phenylacetylene
   • Umeyama, T., Naka, K., Chujo, Y. Macromolecules 2004, 37 (16), 5952-5958.

1. Synthesis of nanocomposites of metal nanoparticles utilizing miscible polymers
   • Naka, K., Itoh, H., Park, S.-Y., Chujo, Y. Polymer Bulletin 2004, 52 (2), 171-176.

1. Synthesis of poly(vinylene arsine)s through the ring-collapsed radical alternating copolymerization of an organoarsenic homocycle with aliphatic acetylenes and their properties
   • Umeyama, T., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42 (14),, 3604-3611.

1. Radical copolymerization of cyclic diarsine with vinyl monomers
   • Umeyama, T., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2004, 42 (12), 3023-3028.

1. Radical terpolymerization of organoarsenic homocycle, phenylacetylene, and vinyl or butadienyl monomers
   • Umeyama, T., Naka, K., Chujo, Y. Macromolecules 2004, 37 (10), 3623-3629.

1. Functional macromolecules with electron-donating dithiafulvene unit
   • Uemura, T., Naka, K., Chujo, Y. Advances in Polymer Science 2004, 167, 81-106.

1. Control Crystallization of Calcium Carbonate in Aqueous Solution with in-Situ Radical Polymerization of Sodium Acrylate as a Latent Inductor for Crystal Nucleation and Growth
   • Naka, K., Keum, D.-K., Tanaka, Y., Chujo, Y. Bulletin of the Chemical Society of Japan 2004, 77 (4), 827-833.

1. Synthesis of Gold Nanoparticles Modified with Ionic Liquid Based on the Imidazolium Cation
   • Itoh, H., Naka, K., Chujo, Y. Journal of the American Chemical Society 2004, 126 (10), 3026-3027.

1. Photochemical assembly of gold nanoparticles utilizing the photodimerization of thymine
   • Itoh, H., Tahara, A., Naka, K., Chujo, Y. Langmuir 2004, 20 (5), 1972-1976.

1. The sea urchin-shaped CaCO3 via template mineralization on surface-functionalized vaterite particles by tiopronin-protected gold nanoparticles
   • Keum, D.-K., Naka, K., Chujo, Y. Chemistry Letters 2004, 33 (3), 310-311.

1. Self-organized nanocomposites of functionalized gold nanoparticles with octa(3-aminopropyl)octasilsesquioxane
   • Wang, X., Naka, K., Itoh, H., Chujo, Y. Chemistry Letters 2004, 33 (3), 216-217.

1. Radical Copolymerization of Acetylenic Compounds with Phenyl-Substituted Cyclooligoarsine: Substituent Effect and Optical Properties
   • Umeyama, T., Naka, K., Nakahashi, A., Chujo, Y. Macromolecules 2004, 37 (4), 1271-1275.

1. Unique crystal morphology of hydrophobic CaCO3 composite by sodium trisilanolate in a mixture of a water-miscible organic solvent and water
   • Keum, D.-K., Naka, K., Chujo, Y. Journal of Crystal Growth 2003, 259 (4), 411-418.

1. Effect of anionic dendrimers on the crystallization of calcium carbonate in aqueous solution
   • Naka, K., Chujo, Y. Comptes Rendus Chimie 2003, 6 (8-10), 1193-1200.

1. Tetrathiafulvalene-assisted formation of silver dendritic nanostructures in acetonitrile
   • Wang, X., Itoh, H., Naka, K., Chujo, Y. Langmuir 2003, 19 (15), 6242-6246.

1. Effect of anionic polyamidoamine dendrimers on the crystallization of calcium carbonate by delayed addition method
   • Keum, D.-K., Naka, K., Chujo, Y. Bulletin of the Chemical Society of Japan 2003, 76 (8), 1687-1691.

1. Effect of gold nanoparticles as a support for the oligomerization of L-cysteine in an aqueous solution
   • Naka, K., Itoh, H., Tampo, Y., Chujo, Y. Langmuir 2003, 19 (13), 5546-5549.

1. Temperature-dependent reversible self-assembly of gold nanoparticles into spherical aggregates by molecular recognition between pyrenyl and dinitrophenyl units
   • Naka, K., Itoh, H., Chujo, Y. Langmuir 2003, 19 (13), 5496-5501.

1. Controlled polymerization of activated glycine esters by copper(II) chelate
   • Naka, K., Nemoto, T., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2003, 41 (10), 1504-1510.

1. Synthesis and properties of π-conjugated dithiafulvene oligomers by addition of a monofunctionalized compound
   • Naka, K., Gelover-Santiago, A., Uemura, T., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2003, 41 (5), 708-715.

1. Preparation of oriented ultrathin films via self-assembly based on charge transfer interaction between π-conjugated poly(dithiafulvene) and acceptor polymer
   • Wang, X., Naka, K., Itoh, H., Uemura, T., Chujo, Y. Macromolecules 2003, 36 (3), 533-535.

1. A simple in situ hydrogen bond interaction to homogeneous dispersion of gold nanoparticles in SiO2 matrix using dendrimer as template
   • Zhou, Y., Ma, C., Itoh, H., Naka, K., Chujo, Y. Chemistry Letters 2002, (12), 1170-1171.

1. Effect of anionic 4.5-generation polyamidoamine dendrimer on the formation of calcium carbonate polymorphs
   • Naka, K., Kobayashi, A., Chujo, Y. Bulletin of the Chemical Society of Japan 2002, 75 (11), 2541-2546.

1. Intramolecular charge-transfer polymers between dithiafulvene and pyridinium units: Conjugative effect through saturated polymethylene chains
   • Naka, K., Uemura, T., Chujo, Y. Bulletin of the Chemical Society of Japan 2002, 75 (12), 2673-2679.

1. Self-Organization of Spherical Aggregates of Palladium Nanoparticles with a Cubic Silsesquioxane
   • Naka, K., Itoh, H., Chujo, Y. Nano Letters 2002, 2 (11), X-1186.

1. Self-complexation of a poly-conjugated donor molecule with a cyclic acceptor
   • Naka, K., Uemura, T., Chujo, Y. Bulletin of the Chemical Society of Japan 2002, 75 (9), 2053-2057.

1. Preparation of hydrophobic CaCo3 composite particles by mineralization with sodium trisilanolate in a methanol solution
   • Keum, D.-K., Kim, K.-M., Naka, K., Chujo, Y. Journal of Materials Chemistry 2002, 12 (8), 2449-2452.

1. Preparation, optical spectroscopy, and electrochemical studies of novel π-conjugated polymer-protected stable PbS colloidal nanoparticles in a nonaqueous solution
   • Zhou, Y., Itoh, H., Uemura, T., Naka, K., Chujo, Y. Langmuir 2002, 18 (13), 5287-5292.

1. Synthesis of silver dendritic nanostructures protected by tetrathiafulvalene
   • Wang, X., Naka, K., Itoh, H., Park, S., Chujo, Y. Chemical Communications 2002, (12), 1300-1301.

1. Synthesis of poly(vinylene-arsine)s: Alternating radical copolymerization of arsenic atomic biradical equivalent and phenylacetylene
   • Naka, K., Umeyama, T., Chujo, Y. Journal of the American Chemical Society 2002, 124 (23), 6600-6603.

1. π-conjugated polymers with electroactive thioketene dimer unit
   • Naka, K., Uemura, T., Gelover-Santiago, A., Chujo, Y. Macromolecules 2002, 35 (10), 3806-3809.

1. Effect of anionic starburst dendrimers on the crystallization of CaCO3 in aqueous solution: Size control of spherical vaterite particles
   • Naka, K., Tanaka, Y., Chujo, Y. Langmuir 2002, 18 (9), 3655-3658.

1. π-conjugated poly(dithiafulvene)s and poly(diselenafulvene)s: Effects of side alkyl chains on optical, electrochemical, and conducting properties
   • Naka, K., Uemura, T., Chujo, Y. Macromolecules 2002, 35 (9), 3539-3543.

1. Synthesis and properties of oxygen-, methylene-, and alkylene-bridged poly(dithiafulvene)s
   • Marathe, S., Uemura, T., Naka, K., Chujo, Y. Journal of Polymer Science, Part A: Polymer Chemistry 2001, 39 (20), 3593-3603.

1. Preparation of π-conjugated polymer-protected gold nanoparticles in stable colloidal form
   • Zhou, Y., Itoh, H., Uemura, T., Naka, K., Chujo, Y. Chemical Communications 2001, (7), 613-614.

1. Synthesis of soluble complexan polymers in organic solvents for using as a polymer-chelate precursor to YBa2Cu3O7-x thin films
   • Naka, K., Tanaka, Y., Yamasaki, K., Ohki, A., Chujo, Y., Maeda, S. Bulletin of the Chemical Society of Japan 2001, 74 (3), 571-577.

1. Synthesis of a π-T-conjugated poly(thioketene dimer) and its electron-donating property
   • Uemura, T., Naka, K., Gelover-Santiago, A., Chujo, Y. Macromolecules 2001, 34 (3), 346-348.

1. Synthesis of palladium clusters with surface initiator for polymerization of 2-methyl-2-oxazoline
   • Itoh, H., Naka, K., Chujo, Y. Polymer Bulletin 2001, 46 (5), 357-362.

1. Control of crystal nucleation and growth of calcium carbonate by synthetic substrates
   • Naka, K., Chujo, Y. Chemistry of Materials 2001, 13 (10), 3245-3259.

1. Electron-accepting system of Si-Si bond in linear framework by combination with strong donor [1]
   • Naka, K., Uemura, T., Chujo, Y. Journal of the American Chemical Society 2001, 123 (25), 6209-6210.

1. Preparation of CaCO3/polymer composite films via interaction of anionic starburst dendrimer with poly(ethylenimine)
   • Tanaka, Y., Nemoto, T., Naka, K., Chujo, Y. Polymer Bulletin 2000, 45 (4-5), 447-450.

1. Synthesis and properties of alternating acceptor-donor π-conjugated copolymers of cyclodiborazane with dithiafulvene
   • Naka, K., Umeyama, T., Chujo, Y. Macromolecules 2000, 33 (20), 7467-7470.

1. Polymer with two different redox centers in the π-conjugated main chain: Alternate combinations of ferrocene and dithiafulvene
   • Naka, K., Uemura, T., Chujo, Y. Macromolecules 2000, 33 (19), 6965-6969.

1. Control of crystal polymorphs by a 'latent inductor': Crystallization of calcium carbonate in conjunction with in situ radical polymerization of sodium acrylate in aqueous solution
   • Naka, K., Keum, D.-K., Tanaka, Y., Chujo, Y. Chemical Communications 2000, (16), 1537-1538.

1. Synthesis and Properties of jr-Conjugated Poly(dithiafulvene)s by Cycloaddition Polymerization of Heteroaromatic Bisthioketenes
   • Naka, K., Uemura, T., Chujo, Y. Macromolecules 2000, 33 (13), 4733-4737.

1. Thermally reversible IPN organic-inorganic polymer hybrids utilizing the Diels-Alder reaction
   • Imai, Y., Itoh, H., Naka, K., Chujo, Y. Macromolecules 2000, 33 (12), 4343-4346.

1. Formation of IPN organic-inorganic polymer hybrids utilizing the photodimerization of thymine
   • Imai, Y., Ogoshi, T., Naka, K., Chujo, Y. Polymer Bulletin 2000, 45 (1), 9-16.

1. Preparation of soluble poly(azomethine)s having the β-diketonate metal complex in the main chain
   • Naka, K., Horii, E., Chujo, Y. Polymer Journal 2000, 32 (4), 316-320.

1. Linearly extended π-conjugated dithiafulvene polymer formed soluble charge-transfer complex with 7,7,8,8,-tetracyanoquinodimethane
   • Naka, K., Uemura, T., Chujo, Y. Polymer Journal 2000, 32 (5), 435-439.

1. Photochromic organic-inorganic polymer hybrids from spiropyran-modified poly(N,N-dimethylacrylamide)
   • Imai, Y., Adachi, K., Naka, K., Chujo, Y. Polymer Bulletin 2000, 44 (1), 9-15.

1. Synthesis and optical properties of soluble isoxazole-containing poly(p-phenylene)-related polymer
   • Naka, K., Horii, E., Chujo, Y. Polymer Journal 2000, 32 (1), 73-74.

1. Synthesis and characterization of new side-chain liquid crystalline polyoxazolines
   • Kim, K.-M., Imai, Y., Naka, K., Chujo, Y. Polymer Journal 2000, 32 (8), 657-664.

1. Synthesis of polymers having 1,3-cyclobutanedione unit in the main chain by cycloaddition polymerization of bisketene
   • Naka, K., Uemura, T., Chujo, Y. Polymer Bulletin 1999, 42 (4), 367-372.

1. Preparation of linear π-conjugated coordination polymers having ruthenium(II) complex in the main chain
   • Konishi, G.-I., Naka, K., Chujo, Y. Journal of Inorganic and Organometallic Polymers 1999, 9 (3), 179-188.

1. Effect of solvent polarity on enzymatic function of poly [(N-acylimino)ethylene] modified lipase
   • Naka, K., Miyamoto, M., Chujo, Y., Saegusa, T. Proceedings of the Japan Academy Series B: Physical and Biological Sciences 1999, 75 (3), 49-53.

1. Synthesis of poly(oxyethylene)-grafted palladium clusters
   • Naka, K., Yaguchi, M., Chujo, Y. Chemistry of Materials 1999, 11 (4), 849-851.

1. Synthesis of poly(N,N-dimethylcarbamoylmethylene) as a polymer homolog of N,N-dimethylacetamide
   • Oyama, T., Fukui, T., Naka, K., Chujo, Y. Polymer Bulletin 1999, 43 (2-3), 183-190.

1. Synthesis of hydroboration copolymer of TCNQ and formation of polymer charge transfer complex therefrom
   • Matsumi, N., Naka, K., Chujo, Y. Polymer Bulletin 1999, 42 (1), 33-40.

1. The effect of an anionic starburst dendrimer on the crystallization of CaCO3 in aqueous solution
   • Naka, K., Tanaka, Y., Chujo, Y., Ito, Y. Chemical Communications 1999, (19), 1931-1932.

1. Polymer homologue of DMSO: synthesis of poly(ethylene sulfoxide) by selective oxidation of poly(ethylene sulfide)
   • Oyama, T., Naka, K., Chujo, Y. Macromolecules 1999, 32 (16), 5240-5242.

1. π-conjugated poly(dithiafulvene) by cycloaddition polymerization of aldothioketene with its alkynethiol tautomer. Polymerization, optical properties, and electrochemical analysis
   • Naka, K., Uemura, T., Chujo, Y. Macromolecules 1999, 32 (14), 4641-4646.

1. Isomerization Behavior of Azobenzene Chromophores Attached to the Side Chain of Organic Polymer in Organic-Inorganic Polymer Hybrids
   • Imai, Y., Naka, K., Chujo, Y. Macromolecules 1999, 32 (4), 1013-1017.

1. Thermoresponsive organic-inorganic polymer hybrids from poly(N-isopropylacrylamide)
   • Imai, Y., Yoshida, N., Naka, K., Chujo, Y. Polymer Journal 1999, 31 (3), 258-262.

1. Novel aprotic polar polymers V. Synthesis of poly(HMPA) by ring-opening polymerization
   • Oyama, T., Ohkubo, Y., Naka, K., Chujo, Y. Polymer Journal 1999, 31 (6), 506-509.

1. Synthesis ofπ-Conjugated Poly(dithiafulvene) by Cycloaddition Polymerization of Aldothioketene with Its Alkynethiol Tautomer
   • K. Naka, T.Uemura, Y. Chujo, Macromolecules 1998, 31(21), 7570-7571.

1. Synthesis of a Star-Shaped Polymer Having Tris(_-diketonato)chromium (II) at the Center Core
   • K. Naka, .G. Konishi, K. Kotera, Y. Chujo, Polym. Bull. 1998, 41(3), 263-266.

1. Metal-Imduced Soluble Bending Structure of Polyazomethine Having Tetradentate Ligand in the Main Chain
   • K. Naka, A. Azuma, Y. Chujo, Macromol. Rapid Commun. 1998, 19 (10), 523-525.

1. Chitin-graft-poly(2-methyl-2-oxazoline) enhanced solubility and activity of catalase in organic solvent
   • K. Naka, R. Yamashita, T. Nakamura, A. Ohki, S. Maeda, K. Aoi, A. Takasu, M. Okada, Int. J. Biol. Macromol. 1998, 23, 259-262.

1. Synthesis of Polymer Having β,β-Triketone Unit in the Main Chain and Its Copper (II) Complex
   • K. Naka, A. Azuma, Y. Chujo, Polym. Bull. 1998, 40 (6), 701-706.

1. Synthesis of star-shaped polymer via coordination of ester linked pyridyl-terminated polyoxyethylene with Ru (II)
   • K. Naka, K. Kobayashi, Y. Chujo, Macromol. Rapid Commun. 1997, 18, 1025-1032.

1. Preparation of pure YBa2Cu3O7-x superconductors from polymer chelate precursors using poly[(N,N-dicarboxymethyl)allylamine]
   • K. Naka, M. Yoshimoto, K. Hagihara, A. Ohki, S. Maeda, J. Mat. Sci. 1997, 32, 2107-2113.

1. Aggregation behavior and interaction with human serum albumin of 2-oxazoline block copolymers in aqueous solutions
   • K. Naka, T. Nakamura, A. Ohki, S. Maeda, Macromol. Chem. Phys. 1997, 198, 101-116.

1. Aggregate of peptide-containing block copolymers and their interactions with Lipase in aqueous solution
   • K. Naka, R. Yamashita, T. Nakamura, A. Ohki, S. Maeda, K. Aoi, K.Tsutsumiuchi, M. Okada, Macromol. Chem. Phys. 1997, 198, 89-100.

1. Amphiphilic Block Copolymer-Lipase Aggregate in Aqueous-Organic Media
   • K. Naka, T. Nakamura, A. Ohki, S. Maeda, J. Macromol. Sci.-Pure Appl. Chem. 1997, A34(4), 451-459.

1. Chemical Modification of Candida cylindracea Lipase with Poly[(N-acylimino)ethylene]'s Having Hydrophobic Component at the Polymer End
   • K. Naka, M. Miyamoto, Y. Chujo, T. Saegusa, J. Macromol. Sci.-Pure Appl. Chem. 1997, 34(1), 123-132.

1. Effect of Modifier on Enzymatic Function of Poly[(N-acylimino)ethylene] Modified Lipases in Organic Solvents
   • K. Naka, M. Miyamoto, Y. Chujo, T. Saegusa, J. Macromol. Sci.-Pure Appl. Chem. 1997, 34(1), 35-48.

1. Preparation and Esterification Activity of Poly[(N-propionyl)iminoethylene] Modified Lipase from Candida cylindracea
   • K. Naka, M. Miyamoto, Y. Chujo, T. Saegusa, Biocat. Biotrans. 1997, 15, 91-100.

1. Polymer-Metal chelate precursor reduced its firing temperature and time for preparing yttrium barium cuprate powder
   • K. Naka, K. Hagihara, Y. Tanaka, Y. Tachiyama, A. Ohki, S. Maeda, J. Mat. Sci. 1996, 31, 6389-6394.

1. Adsorption of Enzymes at Silica-Gel with Amphiphilic Block Copolymers
   • K. Naka, N. Kitano, K. Iwaki, A. Ohki, S. Maeda, Polym. J. 1996, 28 (10), 911-915.

1. Aggregate of peptide-containing block copolymer and its complexes with Lipase
   • K. Naka, R. Yamashita, T. Nakamura, A. Ohki, S. Maeda, K. Aoi, K. Tsutsumiuchi, M. Okada, Macromol. Rapid Commun. 1996, 17, 269-274.

1. A New Polymer Chelate Precursor System to the YBa2Cu3O7-x Superconductor using Poly[(N,N-dicarboxymethyl)-allylamine]
   • K. Naka, Y. Tachiyama, A. Ohki, S. Maeda, J. Polym. Sci., Polym. Chem. 1996, 34, 1003-1013.

1. Synthesis and Chelating Properties of Poly[(N,N-dicarboxymethyl)-allylamine] derived from Poly(allylamine)
   • K. Naka, Y. Tachiyama, K. Hagihara, Y. Tanaka, M. Yoshimoto, A. Ohki, S. Maeda, Polym. Bull. 1995, 35(6), 659-663.

1. Adsorption of Amphiphilic Block Copolymer-Catalase Aggregate at Silica-Gel
   • K. Naka, N. Kitano, K. Iwaki, Chem. Lett. 1995, 1037-1038.

1. Aggregate of Amphiphilic Block Copolymers Derived from Poly[(N-acylimino)ethylene]s and Their Complexes with Lipase in Water
   • K. Naka, T. Nakamura, A. Ohki, S. Maeda, Polym. J. 1995, 27(11), 1071-1078.

1. Aggregation of Amphiphilic Block Copolymer Derived from Poly[(N-acylimino)ethylene]s and Guest-Binding Properties for ANS, Pyrene, and Enzymes
   • K. Naka, Y. Kubo, A. Ohki, S. Maeda, Polym. J. 1994, 26(3), 243-249.

1. Molecular Harpoons. Membrane-Disrupting Surfactants That Can Recognize Osmotic Stress in Phospholipid Bilayers
   • K. Naka, A. Sadownik, S.L. Regen, J. Am. Chem. Soc. 1993, 115(6), 2278-2286.

1. Molecular Harpoon: Membrane-Disrupting Surfactants That Recognize Osmotic Stress
   • K. Naka, A. Sadowinik, S.L. Regen, J. Am. Chem. Soc. 1992, 114(10), 4011-4013.

1. Preparation of .alpha.-styrylmethyl-.omega.-(3-carboxylpropyloxycarbonyl)poly[(N-acylimino)ethylene] macromonomers and their applications to the enzyme immobilization
   • M. Miyamoto, T. Okada, K. Naka, T. Saegusa, Kobunshi Ronbunshu 1992, 49(10), 855-860.

1. Amphiphilic Block Copolymer-Horseradish Peroxidase Aggregate as a New Polymer-Enzyme Hybrid in Organic Solvents
   • K. Naka, A. Ohki, S. Maeda, Chem. Lett. 1991, 1303-1306.

1. Preparation and Enzymatic Activity of Poly[(N-acylimino)ethylene]-Modified Catalase
   • M. Miyamoto, K. Naka, M. Shiozaki, Y. Chujo, T. Saegusa, Macromolecules 1990, 23(13), 3201-3205.

1. End Capping of Growing Species of Poly(2-oxazoline) with Carboxylic Acid: A Novel and Convenient Route To Prepare Vinyl- and Carboxy-Terminated Macromonomers
   • M. Miyamoto, K. Naka, M. Tokumizu, T. Saegusa, Macromolecules 1989, 22(4), 1604-1607.

1. Guest Selective Molecular Recognition by an Octadecylsilyl Monolayer Covalently Bound on an SnO2 Electrode
   • K. Yamamura, H. Hatakeyama, K. Naka, I. Tabushi, K. Kurihara, J. Chem. Soc., Chem. Comm. 1988, 79-81.

1. Supramolecular Sensor Based on SnO2 Electrode Modified with Octadecylsilyl Monolayer Having Molecular Binding Sites
   • Tabushi, K. Kurihara, K. Naka, K. Yamamura, H. Hatakeyama, Tetrahedron Lett. 1987, 28(37), 4299-4302.

1. Pd(II)-Catalyzed Stereoselective Bis-Lactonization
   • Y. Tamaru, H. Higashimura, K. Naka, M. Hojo, Z. Yoshida, Angew. Chem. Int. Ed. Engl. 1985, 24(12), 1045-1046.