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Featured researches published by Makoto Muranaka.


Macromolecular Rapid Communications | 2009

Preparation of Monodisperse Polylactide Microspheres by Dispersion Polymerization Using a Polymeric Stabilizer with Hydroxy Groups

Makoto Muranaka; Tsutomu Ono

Monodisperse poly(D,L-lactide) (PDLLA) microspheres have been prepared by dispersion polymerization of D,L-lactide with a synthetic polymeric stabilizer. The polymerization is carried out in xylene/heptane (1:2, v/v) at 368 K for 3 h with poly[(dodecyl methacrylate)-co-(2-hydroxyethyl methacrylate)] (P(DMA-co-HEMA)). P(DMA-co-HEMA) has hydroxy groups as an initiation group for pseudoanionic dispersion polymerization. The particle diameter and the coefficient of variation concerning the diameter distribution of the obtained PDLLA microspheres are 3.9 µm and 4.3%, respectively. In addition, from the results of dynamic light scattering measurements, it is found that P(DMA-co-HEMA) and the PDLLA-grafted copolymer form a micellar structure in solution.


Catalysis Today | 2011

2-Diphenylphosphanyl-4-pyridyl(dimethyl)amine as an effective ligand for the ruthenium(II) complex catalyzed homogeneous hydration of nitriles under neutral conditions

Makoto Muranaka; Isao Hyodo; Wataru Okumura; Toshiyuki Oshiki


Colloid and Polymer Science | 2007

Preparation of biodegradable microspheres by anionic dispersion polymerization with PLA copolymeric dispersion stabilizer

Makoto Muranaka; Yoshiro Kitamura; Hidekazu Yoshizawa


Materials Letters | 2010

PEG–PLA nanoparticles prepared by emulsion solvent diffusion using oil-soluble and water-soluble PEG–PLA

Makoto Muranaka; Ken Hirota; Tsutomu Ono


Archive | 2010

Biodegradable porous hollow particle, and production method and application thereof

Tsutomu Ono; 努 小野; Yukitaka Kimura; 幸敬 木村; Makoto Muranaka; 誠 村中


Colloid and Polymer Science | 2009

Design of polylactide-grafted copolymeric stabilizer for dispersion polymerization of D,L-lactide

Makoto Muranaka; Hidekazu Yoshizawa; Tsutomu Ono


Journal of Polymer Science Part A | 2009

Role of dispersion stabilizer with hydroxy groups in preparation of monodisperse polylactide microspheres

Makoto Muranaka; Tsutomu Ono


Archive | 2011

Metal Complex Compound, Hydrogen Production Catalyst and Hydrogenation Reaction Catalyst Each Comprising the Metal Complex Compound, and Hydrogen Production Method and Hydrogenation Method Each Using the Catalyst

Makoto Muranaka; Toshiyuki Oshiki


Archive | 2011

Metal Complex Compound and Process for Producing Amides Utilizing the Metal Complex Compound

Toshiyuki Oshiki; Makoto Muranaka


Archive | 2012

COMPOSÉ COMPLEXE MÉTALLIQUE, CATALYSEUR DE PRODUCTION D'HYDROGÈNE ET CATALYSEUR DE RÉACTION D'HYDROGÉNATION COMPRENANT CHACUN LE COMPOSÉ COMPLEXE MÉTALLIQUE ET PROCÉDÉ DE PRODUCTION D'HYDROGÈNE ET PROCÉDÉ D'HYDROGÉNATION UTILISANT CHACUN LE CATALYSEUR

Makoto Muranaka; 村中 誠; Toshiyuki Oshiki; 押木 俊之

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