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Hirokazu Okamoto

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TOP 3
Tomoyuki Okuda; Shinya Yanamoto; Yuko Kobayashi; Hirokazu Okamoto
PEG conjugation of a near-infrared fluorescent probe for noninvasive dual imaging of lung deposition and gene expression by pulmonary gene delivery.
Daiki Hira; Mika Ichihashi; Kazunori Ishizeki; Ayano Mizutani; Toyoko Okada; Tomoyuki Okuda; Hirokazu Okamoto
Influence of peak inspiratory flow rates and pressure drops on inhalation performance of dry powder inhalers.
Daiki Hira; Mika Ichihashi; Haruyoshi Kojima; Tomoyuki Okuda; Hirokazu Okamoto
Development of dry salbutamol sulfate powder with high inhalation performance independent of inhalation patterns.

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2012: Tomoyuki Okuda; Shinya Yanamoto; Yuko Kobayashi; Hirokazu Okamoto
PEG conjugation of a near-infrared fluorescent probe for noninvasive dual imaging of lung deposition and gene expression by pulmonary gene delivery.
Journal of drug targeting 2012;20(9):801-12.
2012: Daiki Hira; Mika Ichihashi; Kazunori Ishizeki; Ayano Mizutani; Toyoko Okada; Tomoyuki Okuda; Hirokazu Okamoto
Influence of peak inspiratory flow rates and pressure drops on inhalation performance of dry powder inhalers.
Chemical & pharmaceutical bulletin 2012;60(3):341-7.
2012: Daiki Hira; Mika Ichihashi; Haruyoshi Kojima; Tomoyuki Okuda; Hirokazu Okamoto
Development of dry salbutamol sulfate powder with high inhalation performance independent of inhalation patterns.
Chemical & pharmaceutical bulletin 2012;60(3):334-40.
2011: Hirokazu Okamoto; Keiko Shiraki; Reiko Yasuda; Kazumi Danjo; Yoshihiko Watanabe
Chitosan-interferon-β gene complex powder for inhalation treatment of lung metastasis in mice.
Journal of controlled release : official journal of the Controlled Release Society 2011;150(2):187-95.
2010: Daiki Hira; Tomoyuki Okuda; Daisuke Kito; Kazunori Ishizeki; Toyoko Okada; Hirokazu Okamoto
Inhalation performance of physically mixed dry powders evaluated with a simple simulator for human inspiratory flow patterns.
Pharmaceutical research 2010;27(10):2131-40.
2010: Kohta Mohri; Tomoyuki Okuda; Asami Mori; Kazumi Danjo; Hirokazu Okamoto
Optimized pulmonary gene transfection in mice by spray-freeze dried powder inhalation.
Journal of controlled release : official journal of the Controlled Release Society 2010;144(2):221-6.
2009: Tomoyuki Mizuno; Kohta Mohri; Shiho Nasu; Kazumi Danjo; Hirokazu Okamoto
Dual imaging of pulmonary delivery and gene expression of dry powder inhalant by fluorescence and bioluminescence.
Journal of controlled release : official journal of the Controlled Release Society 2009;134(2):149-54.
2009: Tomoyuki Okuda; Yasuhisa Kawaguchi; Hirokazu Okamoto
Enhanced gene delivery and/or efficacy by functional peptide and protein.
Current topics in medicinal chemistry 2009;9(12):1098-108.
2008: Masato Sakurai; Yuichi Ozeki; Masaki Ando; Hirokazu Okamoto; Kazumi Danjo
[Drug delivery to the colon using novel one-step, dry-coated tablets (OSDrC)].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 2008;128(6):951-7.
2008: Hirokazu Okamoto; Kazumi Danjo
Application of supercritical fluid to preparation of powders of high-molecular weight drugs for inhalation.
Advanced drug delivery reviews 2008;60(3):433-46.
2007: Masato Sakurai; Yuichi Ozeki; Masaki Ando; Hirokazu Okamoto; Kazumi Danjo
[Preparation and release profile of colon-targeting drug delivered as novel one-step dry-coated tablets (OSDrC)].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 2007;127(12):2057-63.
2007: Hirokazu Okamoto; Kazumi Danjo
[Local and systemic delivery of high-molecular weight drugs by powder inhalation].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 2007;127(4):643-53.
2005: Hirokazu Okamoto; Takashi Sakai; Kazumi Danjo
Effect of sucrose fatty acid esters on transdermal permeation of lidocaine and ketoprofen.
Biological & pharmaceutical bulletin 2005;28(9):1689-94.
2005: Kotaro Iida; Hiroaki Todo; Hirokazu Okamoto; Kazumi Danjo; Hans Leuenberger
Preparation of dry powder inhalation with lactose carrier particles surface-coated using a Wurster fluidized bed.
Chemical & pharmaceutical bulletin 2005;53(4):431-4.
2005: Hirokazu Okamoto; Yuki Sakakura; Keiko Shiraki; Kumiko Oka; Seiko Nishida; Hiroaki Todo; Kotaro Iida; Kazumi Danjo
Stability of chitosan-pDNA complex powder prepared by supercritical carbon dioxide process.
International journal of pharmaceutics 2005;290(1-2):73-81.
2005: Hirokazu Takahashi; Richer Chen; Hirokazu Okamoto; Kazumi Danjo
Acetaminophen particle design using chitosan and a spray-drying technique.
Chemical & pharmaceutical bulletin 2005;53(1):37-41.
2004: Kotaro Iida; Yukari Inagaki; Hiroaki Todo; Hirokazu Okamoto; Kazumi Danjo; Hans Luenberger
Effects of surface processing of lactose carrier particles on dry powder inhalation properties of salbutamol sulfate.
Chemical & pharmaceutical bulletin 2004;52(8):938-42.
2004: Kotaro Iida; Youhei Hayakawa; Hirokazu Okamoto; Kazumi Danjo; Hans Luenberger
Influence of storage humidity on the in vitro inhalation properties of salbutamol sulfate dry powder with surface covered lactose carrier.
Chemical & pharmaceutical bulletin 2004;52(4):444-6.
2004: Hiroaki Todo; Hirokazu Okamoto; Kotaro Iida; Kazumi Danjo
Improvement of stability and absorbability of dry insulin powder for inhalation by powder-combination technique.
International journal of pharmaceutics 2004;271(1-2):41-52.
2004: Kotaro Iida; Youhei Hayakawa; Hirokazu Okamoto; Kazumi Danjo; Hans Luenberger
Effect of surface layering time of lactose carrier particles on dry powder inhalation properties of salbutamol sulfate.
Chemical & pharmaceutical bulletin 2004;52(3):350-3.
2003: Kotaro Iida; Youhei Hayakawa; Hirokazu Okamoto; Kazumi Danjo; Hans Luenbergerb
Effect of surface covering of lactose carrier particles on dry powder inhalation properties of salbutamol sulfate.
Chemical & pharmaceutical bulletin 2003;51(12):1455-7.
2003: Hiroaki Todo; Kotaro Iida; Hirokazu Okamoto; Kazumi Danjo
Improvement of insulin absorption from intratracheally administrated dry powder prepared by supercritical carbon dioxide process.
Journal of pharmaceutical sciences 2003;92(12):2475-86.
2003: Hirokazu Okamoto; Seiko Nishida; Hiroaki Todo; Yuki Sakakura; Kotaro Iida; Kazumi Danjo
Pulmonary gene delivery by chitosan-pDNA complex powder prepared by a supercritical carbon dioxide process.
Journal of pharmaceutical sciences 2003;92(2):371-80.
2003: Kotaro Iida; Youhei Hayakawa; Hirokazu Okamoto; Kazumi Danjo; Hans Leuenberger
Preparation of dry powder inhalation by surface treatment of lactose carrier particles.
Chemical & pharmaceutical bulletin 2003;51(1):1-5.
2002: Hirokazu Okamoto; Takahiko Nakamori; Yotaro Arakawa; Kotaro Iida; Kazumi Danjo
Development of polymer film dosage forms of lidocaine for buccal administration: II. Comparison of preparation methods.
Journal of pharmaceutical sciences 2002;91(11):2424-32.
2001: Hirokazu Okamoto; H Taguchi; Kotaro Iida; Kazumi Danjo
Development of polymer film dosage forms of lidocaine for buccal administration. I. Penetration rate and release rate.
Journal of controlled release : official journal of the Controlled Release Society 2001;77(3):253-60.
2001: Kotaro Iida; Youhei Hayakawa; Hirokazu Okamoto; Kazumi Danjo; Hans Leuenberger
Evaluation of flow properties of dry powder inhalation of salbutamol sulfate with lactose carrier.
Chemical & pharmaceutical bulletin 2001;49(10):1326-30.
2001: Hiroaki Todo; Hirokazu Okamoto; Kotaro Iida; Kazumi Danjo
Effect of additives on insulin absorption from intratracheally administered dry powders in rats.
International journal of pharmaceutics 2001;220(1-2):101-10.
2000: Hirokazu Okamoto; M Aoki; Kazumi Danjo
A novel apparatus for rat in vivo evaluation of dry powder formulations for pulmonary administration.
Journal of pharmaceutical sciences 2000;89(8):1028-35.
2000: T Tsukamoto; C Y Chen; Hirokazu Okamoto; Kazumi Danjo
The effects of adsorbed water on tensile strength and Young's modulus of moldings determined by means of a three-point bending method.
Chemical & pharmaceutical bulletin 2000;48(6):769-73.
2000: Kotaro Iida; Hans Leuenberger; L M Fueg; R Müller-Walz; Hirokazu Okamoto; Kazumi Danjo
[Effect of mixing of fine carrier particles on dry powder inhalation property of salbutamol sulfate (SS)].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 2000;120(1):113-9.
1999: Noriyuki Hirasawa; Hirokazu Okamoto; Kazumi Danjo
Lactose as a low molecular weight carrier of solid dispersions for carbamazepine and ethenzamide.
Chemical & pharmaceutical bulletin 1999;47(3):417-20.