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    • 3. 发明授权
    • Photobioreactor made of a transparent film
    • US10041028B2
    • 2018-08-07
    • US13995768
    • 2011-01-20
    • Sang Jun SimEun Hye Kim
    • Sang Jun SimEun Hye Kim
    • C12M1/00
    • The present invention relates to a photobioreactor, and more particularly, a photobioreactor for culturing living organisms such as microalgae, which carry out photosynthesis using carbon dioxide and light energy. The photobioreactor includes: (a) a reaction vessel, in which photosynthesis occurs by photosynthetic organisms; (b) a multipurpose inlet/outlet formed at the outside upper end of the reaction vessel; (c) an outer pipe connected to the multipurpose inlet/outlet at the outside of the reaction vessel; and (d) an inner pipe connected to the multipurpose inlet/outlet at the inside of the reaction vessel, wherein the reaction vessel is made of a transparent film.The photobioreactor according to the present invention is advantageous in that the reaction vessel in which photosynthesis occurs is a plate-type and made of a transparent film, thus achieving improved light transmittance and mobility, and enabling the economically advantageous manufacture and operation thereof. Therefore, the photobioreactor of the present invention can be easily installed anywhere carbon dioxide is discharged, such as around a power-generating plant, in an urban region, a farm, etc., to culture a variety of photosynthetic organisms, and thus to produce useful substances having economically high added values.
    • 4. 发明申请
    • PHOTOBIOREACTOR MADE OF A TRANSPARENT FILM
    • 透明膜的光电子器件
    • US20130309762A1
    • 2013-11-21
    • US13995768
    • 2011-01-20
    • Sang Jun SimEun Hye Kim
    • Sang Jun SimEun Hye Kim
    • C12M1/00
    • C12M21/02C12M23/14C12M23/22C12M23/34
    • The present invention relates to a photobioreactor, and more particularly, a photobioreactor for culturing living organisms such as microalgae, which carry out photosynthesis using carbon dioxide and light energy. The photobioreactor includes: (a) a reaction vessel, in which photosynthesis occurs by photosynthetic organisms; (b) a multipurpose inlet/outlet formed at the outside upper end of the reaction vessel; (c) an outer pipe connected to the multipurpose inlet/outlet at the outside of the reaction vessel; and (d) an inner pipe connected to the multipurpose inlet/outlet at the inside of the reaction vessel, wherein the reaction vessel is made of a transparent film.The photobioreactor according to the present invention is advantageous in that the reaction vessel in which photosynthesis occurs is a plate-type and made of a transparent film, thus achieving improved light transmittance and mobility, and enabling the economically advantageous manufacture and operation thereof. Therefore, the photobioreactor of the present invention can be easily installed anywhere carbon dioxide is discharged, such as around a power-generating plant, in an urban region, a farm, etc., to culture a variety of photosynthetic organisms, and thus to produce useful substances having economically high added values.
    • 光生物反应器技术领域本发明涉及一种光生物反应器,更具体地,涉及一种用于培养利用二氧化碳和光能进行光合作用的微藻等生物体的光生物反应器。 光生物反应器包括:(a)由光合生物发生光合作用的反应容器; (b)形成在反应容器的外部上端的多用途入口/出口; (c)连接到反应容器外部的多功能入口/出口的外管; 和(d)连接到反应容器内部的多功能入口/出口的内管,其中反应容器由透明膜制成。 根据本发明的光生物反应器的优点在于其中发生光合作用的反应容器是板式的并且由透明膜制成,因此实现了改善的透光率和迁移率,并且使得其经济上有利的制造和操作。 因此,本发明的光生物反应器可以容易地安装在诸如在发电厂周围,城市地区,农场等中排放的二氧化碳的任何地方,以培养各种光合生物,从而产生 具有经济高附加值的有用物质。
    • 8. 发明授权
    • Method for controlling molecular weight of polyhydroxyalkanoates
    • 控制聚羟基链烷酸酯分子量的方法
    • US5811272A
    • 1998-09-22
    • US687806
    • 1996-07-26
    • Kristi D. SnellScott A. HoganSang Jun SimAnthony J. SinskeyChokyun Rha
    • Kristi D. SnellScott A. HoganSang Jun SimAnthony J. SinskeyChokyun Rha
    • C12N9/00C12P7/62C12N1/00C12N5/02C12P7/52
    • C12N9/93C12P7/625
    • A method has been developed for control of molecular weight and molecular weight dispersity during production of polyhydroxyalkanoates in genetically engineered organism by control of the level and time of expression of one or more PHA synthases in the organisms. The method was demonstrated by constructing a synthetic operon for PHA production in E. coli in which the level of PHA synthase activity could be tightly controlled by placement of the synthase behind an inducible promoter. Modulation of the total level of PHA synthase activity in the host cell by varying the concentration of the inducer, isopropyl .beta.-D-thiogalactoside (IPTG), was found to effect the molecular weight of the polymer produced in the cell. Specifically, high concentrations of synthase activity were found to yield polymers of low molecular weight while low concentrations of synthase activity yielded polymers of higher molecular weight. Polymer molecular weight dispersity is also proportional to the amount of synthase activity, with less dispersity in polyhydroxyalkanoate compositions produced in expression systems with an initial burst of synthase activity, and higher levels of molecular weight dispersity in polyhydroxyalkanoate compositions produced in expression systems with the levels of synthase activity varied during synthesis of the polyhydroxyalkanoate.
    • 已经开发了一种通过控制生物体内一种或多种PHA合成酶的表达水平和时间来控制在遗传工程生物体内聚羟基链烷酸酯生产过程中的分子量和分子量分散性的方法。 该方法通过在大肠杆菌中构建用于PHA生产的合成操纵子来证明,其中通过将合酶置于诱导型启动子后面可以严格控制PHA合酶活性的水平。 发现通过改变诱导剂异丙基β-D-硫代半乳糖苷(IPTG)的浓​​度来调节宿主细胞中PHA合成酶活性的总水平,从而影响细胞中产生的聚合物的分子量。 具体地说,发现高浓度的合成酶活性产生低分子量的聚合物,而低浓度的合酶活性则产生较高分子量的聚合物。 聚合物分子量分散度也与合成酶活性的量成比例,在具有合成酶活性的初始爆发的表达系统中产生的聚羟基链烷酸酯组合物的分散性较小,并且在表达系统中产生的聚羟基链烷酸酯组合物中分子量分散度的水平较高 合成酶活性在聚羟基链烷酸酯的合成过程中变化。