YAMASHITA Koichi 山下宏一

… Alternative Names

山下宏一ヤマシタコウイチ

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Researcher Number	90174672
Affiliation (based on the past Project Information) *help	2007 – 2008: The Institute of Physical and Chemical Research, 化学分析チーム, 専任研究員 2004 – 2006: 独立行政法人理化学研究所, 化学分析チーム, 先任研究員 1996: 理化学研究所, 反応物理化学研究室, 先任研究員 1993 – 1994: 理化学研究所, 反応物理化学研究室, 研究員 1986: 熊本大学, 工学部, 助手
Review Section/Research Field	Principal Investigator Environmental chemistry / 工業物理化学 Except Principal Investigator 工業物理化学 / 工業物理化学 / 無機・錯塩・放射化学
Keywords	Principal Investigator QCM / 吸着 / 生分解性ポリエステル / 光反応 / DNA / esterase / adsorption / enzymatic degradation / biodegradable polyester / AFM … More / エステラーゼ / 酵素分解 / 大腸菌 / 分解菌 / 微生物 / 環境材料 / 電子移動 / 膜 / 電子移動反応 … More Except Principal Investigator Superoxide Radical / gamma-ray Irradiation / Hydroxy Radical / Chemiluminescence / Dosimetry / Luminol / Aqueous Solution / Scintillator / エネルギー分析 / スーパーオキシド / 水溶液 / 線量率測定 / 液体シンチレータ / ルミノール類 / スーパーオキシドラジカル / ガンマ線照射 / 水酸基ラジカル / 化学発光 / 放射線測定 / ルミノール / 水溶性 / シンチレータ / カテコール / インドール / トリプトファン / 環開裂酸化反応 / ポルフィリン錯体 / 立体区別反応 / 酸素添加酵素モデル / 基質立体選択 / 電子移動反応 / チトクロムC / キラル遷移金属錯体 Less

Real time analysis of interactions between biopolyester and its degrading enzymePrincipal Investigator
- Principal Investigator
  
  YAMASHITA Koichi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Environmental chemistry
- Research Institution
  The Institute of Physical and Chemical Research
Kinetic study on enzymatic degradation of biodegradable polyestersPrincipal Investigator
- Principal Investigator
  
  YAMASHITA Koichi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Environmental chemistry
- Research Institution
  RIKEN
二重らせんDNAによる光誘起電子移動の方向制御と触媒作用のダイナミクスPrincipal Investigator
- Principal Investigator
  
  山下宏一
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  工業物理化学
- Research Institution
  The Institute of Physical and Chemical Research
二重らせんヌクレオチド鎖に化学結合した分子間の電子移動ダイナミクスPrincipal Investigator
- Principal Investigator
  
  山下宏一
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  工業物理化学
- Research Institution
  The Institute of Physical and Chemical Research
DEVELOPMENT OF AQUEOUS SCINTILLATOR
- Principal Investigator
  
  KIRA Akira
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  工業物理化学
- Research Institution
  THE INSTITUTE OF PHYSCAL AND CHEMICAL RESEARCH (RIKEN)
新しいキラル遷移金属錯体によるチトクロムC及びb5の基質立体選択的電子移動反応
- Principal Investigator
  
  榊茂好
- Project Period (FY)
  1986
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  無機・錯塩・放射化学
- Research Institution
  Kumamoto University
新しいキラル酸素添加酵素モデルの合成とその基質立体区別酸化触媒作用に関する研究
- Principal Investigator
  
  大久保捷敏
- Project Period (FY)
  1986
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  工業物理化学
- Research Institution
  Kumamoto University

All 2008 2007 2006 2005

All Journal Article Presentation

[Journal Article] Structural Effects of Terminal Groups on Nonenzymatic and Enzymatic Degradations of End-Capped Poly(L-lactide)2008
- Author(s)
  Kenji Kurokawa, Koichi Yamashita, Yoshiharu Doi and Hideki Abe
- Journal Title
  
  Biomacromolecules 9
  
  Pages: 1071-1078
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550156
[Journal Article] Adsorption and Hydrolysis Reactions of Poly(hydroxybutyric acid) Depolymerases Secreted from Ralstonia pickettii T1 and Penicillium funiculosum onto Poly[(R)-3-hydroxybutyric acid]2007
- Author(s)
  Keiji Numata, Koichi Yamashita, Masahiro Fujita, Takeharu Tsuge, Ken-ichi Kasuya, Tadahisa Iwata, Yoshiharu Doi, and Hideki Abe
- Journal Title
  
  Biomacromolecules 8
  
  Pages: 2276-2281
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550156
[Journal Article] Nonspecific Hydrophobic Interactions of a Repressor Protein, PhaR, with Poly[(R)-3-hydroxybutyrate] Film Studied with a Quartz Crystal Microbalance2006
- Author(s)
  Koichi Yamashita
- Journal Title
  
  Biomacromolecules 7・8
  
  Pages: 2449-2454
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550139
[Journal Article] Nonspecific Hydrophobic Interactions of a Repressor Protein, PhaR, with Poly[(R)-3-hydroxybutyrate] Film Studied with a Quartz Crystal Microbalance2006
- Author(s)
  Koichi Yamashita
- Journal Title
  
  Biomacromolecules
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550139
[Journal Article] Enzymatic Degradation of Poly(L-lactide) Film by Proteinase K : Quartz Crystal Microbalance and Atomic Force Microscopy Study2005
- Author(s)
  Koichi Yamashita
- Journal Title
  
  Biomacromolecules 6・2(印刷中)
- Data Source
  KAKENHI-PROJECT-16550139
[Journal Article] Enzymatic Degradation of Poly (L-lactide) Film by Proteinase K : Quartz Crystal Microbalance and Atomic Force Microscopy Study2005
- Author(s)
  Koichi Yamashita
- Journal Title
  
  Biomacromolecules
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550139
[Journal Article] Enzymatic Degradation of Poly(L-lactide) Film by Proteinase K : Quartz Crystal Microbalance and Atomic Force Microscopy Study2005
- Author(s)
  Koichi Yamashita
- Journal Title
  
  Biomacromolecules 6・2
  
  Pages: 850-857
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550139
[Presentation] 市販プロテアーゼによるポリ(L-乳酸)の酵素分解2008
- Author(s)
  山下宏一
- Organizer
  第57回高分子討論会
- Place of Presentation
  大阪市
- Year and Date
  2008-09-26
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] 分子鎖末端修飾によるポリ乳酸の表面特性改変と高機能化2008
- Author(s)
  阿部英喜・黒川賢志・山下宏一・土肥義治
- Organizer
  第57回高分子討論会
- Place of Presentation
  大阪市
- Year and Date
  2008-09-26
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] Kinetics of Enzymatic Degradation of Poly(L-lactide) by commercially-available proteases2008
- Author(s)
  Koichi Yamashita
- Organizer
  International Symposium on Biological Polyesters
- Place of Presentation
  Auckland, New Zealand
- Year and Date
  2008-11-26
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] ポリ乳酸の加水分解性に及ぼす末端官能基の構造効果2008
- Author(s)
  阿部英喜・黒川賢志・山下宏一・土肥義治
- Organizer
  第57回高分子学会年次大会
- Place of Presentation
  横浜市
- Year and Date
  2008-05-28
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] ポリ乳酸表面へのタンパク質吸着の制御2008
- Author(s)
  山下宏一・黒川賢志・阿部英喜
- Organizer
  第57回高分子学会年次大会
- Place of Presentation
  横浜市
- Year and Date
  2008-05-28
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] Enzymatic Degradation of Poly(L-lactide)by proteases2007
- Author(s)
  Koichi Yamashita
- Organizer
  International Symposium on Polymers and The Environment
- Place of Presentation
  Vancouver,Washington,USA
- Year and Date
  2007-10-19
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] Enzymatic Degradation of Poly(L-lactide) by proteases2007
- Author(s)
  Koichi Yamashita
- Organizer
  International Symposium on Polymers and The Environment
- Place of Presentation
  Vancouver, Washington, USA
- Year and Date
  2007-10-19
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] 生分解性ポリマー表面における酵素反応の解析2007
- Author(s)
  山下宏一
- Organizer
  第1回日本化学会関東支部大会
- Place of Presentation
  八王子市
- Year and Date
  2007-09-27
- Data Source
  KAKENHI-PROJECT-19550156
[Presentation] ポリ乳酸のプロテアーゼによる分解機構2007
- Author(s)
  山下宏一・城座彩子
- Organizer
  第56回高分子討論会
- Place of Presentation
  名古屋市
- Year and Date
  2007-09-20
- Data Source
  KAKENHI-PROJECT-19550156

1. HIRAISHI Tomohiro (20321804)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 榊茂好 (20094013)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 大久保捷敏 (00040402)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. KIRA Akira (50087540)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. USHIDA Kiminori (60183018)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

YAMASHITA Koichi 山下 宏一

山下 宏一 ヤマシタ コウイチ

Research Projects

Research Products

Co-Researchers

Real time analysis of interactions between biopolyester and its degrading enzymePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Kinetic study on enzymatic degradation of biodegradable polyestersPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

二重らせんDNAによる光誘起電子移動の方向制御と触媒作用のダイナミクスPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

二重らせんヌクレオチド鎖に化学結合した分子間の電子移動ダイナミクスPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

DEVELOPMENT OF AQUEOUS SCINTILLATOR

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

新しいキラル遷移金属錯体によるチトクロムC及びb5の基質立体選択的電子移動反応

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

新しいキラル酸素添加酵素モデルの合成とその基質立体区別酸化触媒作用に関する研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Structural Effects of Terminal Groups on Nonenzymatic and Enzymatic Degradations of End-Capped Poly(L-lactide)2008

Author(s)

Journal Title

Data Source

[Journal Article] Adsorption and Hydrolysis Reactions of Poly(hydroxybutyric acid) Depolymerases Secreted from Ralstonia pickettii T1 and Penicillium funiculosum onto Poly[(R)-3-hydroxybutyric acid]2007

Author(s)

Journal Title

Data Source

[Journal Article] Nonspecific Hydrophobic Interactions of a Repressor Protein, PhaR, with Poly[(R)-3-hydroxybutyrate] Film Studied with a Quartz Crystal Microbalance2006

Author(s)

Journal Title

Description

Data Source

[Journal Article] Nonspecific Hydrophobic Interactions of a Repressor Protein, PhaR, with Poly[(R)-3-hydroxybutyrate] Film Studied with a Quartz Crystal Microbalance2006

Author(s)

Journal Title

Description

Data Source

[Journal Article] Enzymatic Degradation of Poly(L-lactide) Film by Proteinase K : Quartz Crystal Microbalance and Atomic Force Microscopy Study2005

Author(s)

Journal Title

Data Source

[Journal Article] Enzymatic Degradation of Poly (L-lactide) Film by Proteinase K : Quartz Crystal Microbalance and Atomic Force Microscopy Study2005

Author(s)

Journal Title

Description

Data Source

[Journal Article] Enzymatic Degradation of Poly(L-lactide) Film by Proteinase K : Quartz Crystal Microbalance and Atomic Force Microscopy Study2005

Author(s)

Journal Title

Description

Data Source

[Presentation] 市販プロテアーゼによるポリ(L-乳酸)の酵素分解2008

YAMASHITA Koichi 山下宏一

山下宏一ヤマシタコウイチ