Photochemical reaction induced by enzymes intercalated into layered semiconductors

插入层状半导体的酶诱导的光化学反应

• 批准号: 24750205
• 负责人: KAMADA Kai
• 金额: $ 2.91万
• 依托单位: Nagasaki University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2012
• 资助国家: 日本
• 起止时间: 2012-04-01 至 2014-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24750205/
• 关键词: 固定化酵素; 層状物質; 酸化物半導体; インターカレーション; 光触媒

In the present study, enzyme biocatalysts were intercalated into two-dimensional space composed of layered semiconductors, and a novel photo-induced enzymatic reaction of the hybrids was investigated. The layered semiconductors interstratified the enzyme molecules through electrostatic interaction in a solution with an appropriate pH. Ultraviolet light irradiation to the obtained hybrids caused activation of enzymes in the interlayer by photoabsorption of semiconductor and subsequent energy transfer. Moreover, the enzymatic activity could be easily adjusted by UV light intensity and wavelength.

本研究将酶催化剂插层到由层状半导体组成的二维空间中，并研究了这种杂化物的光诱导酶催化反应。分层的半导体interlayered酶分子通过静电相互作用在溶液中具有适当的pH值。紫外光照射所获得的混合物引起激活的酶在层间通过光吸收的半导体和随后的能量转移。此外，该酶的活性可以很容易地通过紫外光强度和波长进行调节。

项目成果

Temperature-Controlled Reversible Exfoliation-Stacking of Titanate Nanosheets in an Aqueous Solution Containing Tetraalkylammonium Ions

含四烷基铵离子的水溶液中钛酸盐纳米片的温控可逆剥离堆积

• 发表时间: 2014
• 期刊: RSC Advances
• 影响因子: 3.9
• 作者: Kai Kamada;Nobuaki Soh
• 通讯作者: Nobuaki Soh

酵素－半導体複合材料を利用した酵素反応の光制御

利用酶-半导体复合材料光学控制酶反应

• 发表时间: 2013
• 作者: 鎌田 海;宗 伸明
• 通讯作者: 宗 伸明

Layered Iron-titanate as a Physicochemically Stable Support for Hydrolase

层状钛酸铁作为水解酶的物理化学稳定支持物

• 发表时间: 2012
• 作者: Takaharu Ikeda;Suguru Tukahara;Nobuaki Soh;Kai Kamada
• 通讯作者: Kai Kamada

Fluorescent Inorganic Titanate Layers as Bioaffinity Reaction Markers

作为生物亲和反应标记的荧光无机钛酸盐层

• 作者: Kai KAMADA;Suguru TSUKAHARA;Nobuaki SOH
• 通讯作者: Nobuaki SOH

Visible-Light-Driven Enzymatic Reaction of Peroxidase Adsorbed on Doped Hematite Thin Films

• DOI: 10.1021/jp3046559
• 发表时间: 2012-09
• 期刊: Journal of Physical Chemistry C
• 影响因子: 3.7
• 作者: K. Kamada;Ayano Moriyasu;N. Soh