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    • 2. 发明申请
    • BIOSENSOR USING CONDUCTIVE GRAPHENES AND PREPARATION METHOD THEREOF
    • 使用导电石墨的生物传感器及其制备方法
    • WO2009157739A3
    • 2010-04-01
    • PCT/KR2009003482
    • 2009-06-26
    • KOREA ADVANCED INST SCI & TECHLEE SANG YUPPARK TAE JUNGHONG WON HIJUNG HEE TAEPARK HO SEOKCHOI BONG GILL
    • LEE SANG YUPPARK TAE JUNGHONG WON HIJUNG HEE TAEPARK HO SEOKCHOI BONG GILL
    • C01B31/02
    • G01N33/5438B82Y30/00B82Y40/00C01B32/194C12Q1/004
    • The present invention relates to a biosensor using conductive graphenes and a preparation method thereof, and more particularly, to a biosensor and a preparation method thereof, which uses a conductive graphene prepared using chemical functional groups or a conductive graphine to which a bioreceptor is attached, the bioreceptor being selectively combined to a target biomaterial on a laminated conductive graphene film repeatedly overlaid with the conductive graphenes in order to have a high surface density on a substrate. The conductive graphene biosensor according to the present invention has a large surface area and excellent electric conductivity, and thus can increase the immobilization rate of biological molecules, such as DNA, and enhance the detection sensitivity for biological molecules. In addition, by either directly detecting various target biomolecules or detecting electrochemical signals, the present invention can accurately detect reactions of biomaterials and bioreceptors on a large scale at once, and can introduce a detection method by which an accurate measurement, even of a small amount of source, can be obtained.
    • 本发明涉及一种使用导电石墨烯的生物传感器及其制备方法,更具体地说,涉及一种生物传感器及其制备方法,该生物传感器及其制备方法使用使用化学官能团或连接有生物受体的导电石墨制备的导电石墨烯, 生物受体被选择性地组合到层叠的导电石墨烯膜上的目标生物材料上,所述层压导电石墨烯膜与导电石墨烯重复地重叠以在基底上具有高的表面密度。 根据本发明的导电石墨烯生物传感器具有大的表面积和优异的导电性,因此可以增加DNA等生物分子的固定化率,提高生物分子的检测灵敏度。 另外,通过直接检测各种目标生物分子或检测电化学信号,本发明可以一次性地大规模地精确地检测生物材料和生物感应器的反应,并且可以引入检测方法,通过该方法进行精确的测量,甚至少量 的来源,可以获得。
    • 3. 发明申请
    • METHOD FOR CELL SURFACE DISPLAYING OF TARGET PROTEINS USING BACILLUS ANTHRACIS EXOSPORIUM
    • 使用BACILLUS ANTHRACIS EXOSPORIUM的目标蛋白的细胞表面显示方法
    • WO2007078127B1
    • 2007-12-27
    • PCT/KR2006005886
    • 2006-12-29
    • KOREA ADVANCED INST SCI & TECHLEE SANG YUPPARK TAE JUNGHEO NAM SU
    • LEE SANG YUPPARK TAE JUNGHEO NAM SU
    • C12N15/64C12N15/63C12N15/70
    • C07K14/32C07K16/00C07K2317/622C07K2319/00C12N15/70C12P21/02
    • The present invention relates to a method for expressing a target protein on the surface of a microorganism using Bacillus anthracis exosporium protein. More particularly, to an expression vector constructed such that it comprises bclA gene encoding Bacillus anthracis exosporium protein BcIA or fragements thereof as a cell surface anchoring motif and the target protein can be expressed on the surface of a cell in a form fused with BcIA or a fragment thereof when the gene encoding the target protein is expressed in a host cell, as well as, a method for expressing a target protein on the surface of a microorganism using the vector. The expression vector according to the present invention is capable of effectively expressing a target protein or a peptide on the cell surface using BcIA, Bacillus anthracis exosporium protein as a cell surface anchoring motif, and since a target protein can be stably expressed on the cell surface in large amounts by culturing a microorganism transformed with the expression vector, thus making it possible to effectively use for the various purposes of recombinant live vaccines, whole cells absorbents, whole cell bioconversion and the like.
    • 本发明涉及使用炭疽芽孢杆菌外芽孢蛋白在微生物表面上表达靶蛋白的方法。 更具体地说,涉及构建成使得其包含编码作为细胞表面锚定基序的芽孢杆菌属炭疽芽孢杆菌蛋白BcIA或其残基的bclA基因的表达载体,并且靶蛋白可以以与BcIA或BcIA融合的形式在细胞表面表达 当在宿主细胞中表达编码靶蛋白的基因时,使用该载体在微生物表面上表达靶蛋白的方法。 根据本发明的表达载体能够使用BcIA,炭疽芽孢杆菌外芽蛋白作为细胞表面锚定基序在细胞表面上有效地表达靶蛋白或肽,并且由于靶蛋白可以在细胞表面上稳定表达 通过培养用表达载体转化的微生物,可大量使用,从而可有效地用于重组活疫苗,全细胞吸收剂,全细胞生物转化等的各种目的。
    • 5. 发明申请
    • RECOMBINANT MICROORGANISM WITH ENHANCED ABILITY FOR GLYCEROL METABOLISM AND SUCCINIC ACID PRODUCTION, AND METHOD FOR PRODUCING SUCCINIC ACID USING SAME
    • 具有增加甘油代谢和产酸生产能力的重组微生物,以及使用其制备磺酸的方法
    • WO2010093150A3
    • 2010-12-09
    • PCT/KR2010000755
    • 2010-02-08
    • KOREA ADVANCED INST SCI & TECHLEE SANG YUPJEON YONG JAESONG HYOHAK
    • LEE SANG YUPJEON YONG JAESONG HYOHAK
    • C12N15/31C12N1/21
    • C12P7/46
    • The present invention relates to a recombinant microorganism with enhanced ability for glycerol metabolism and succinic acid production, and to a method for producing succinic acid using same. More particularly, the present invention relates to a recombinant microorganism which is enhanced to produce a high concentration succinic acid by effectively using inexpensive glycerol as a carbon source for cells. The recombinant microorganism according to the present invention enables succinic acid, which is a valuable substance produced by conventional chemical processes, to be produced through production-efficient and environmentally-friendly biological processes, thus reducing the costs of producing the target metabolite. Further, the recombinant microorganism according to the present invention is advantageous in that 100% pure succinic acid can be produced without forming byproducts, as opposed to conventional techniques in which only a slight reduction of byproducts such as acetic acid, lactic acid, formic acid, pyruvic acid, etc., is achieved.
    • 本发明涉及增加甘油代谢和琥珀酸生产能力的重组微生物,以及使用其生产琥珀酸的方法。 更具体地,本发明涉及通过有效地使用廉价的甘油作为细胞的碳源来增强生产高浓度琥珀酸的重组微生物。 根据本发明的重组微生物使得通过常规化学方法生产的有价值物质的琥珀酸通过生产有效和环境友好的生物过程产生,从而降低生产目标代谢物的成本。 此外,根据本发明的重组微生物的优点在于,与常规技术相反,可以生产100%纯的琥珀酸而不形成副产物,其中只有轻微降低副产物如乙酸,乳酸,甲酸, 丙酮酸等。
    • 9. 发明申请
    • RECOMBINANT MICROORGANISM HAVING AN IMPROVED ABILITY TO PRODUCE BUTANOL AND A PRODUCTION METHOD FOR BUTANOL USING THE SAME
    • 具有改进的生产丁醇能力的重组微生物以及使用该生产方法生产丁醇的方法
    • WO2012033334A3
    • 2012-08-23
    • PCT/KR2011006607
    • 2011-09-07
    • KOREA ADVANCED INST SCI & TECHLEE SANG YUPCHOI YONG JUNPARK JIN HWAN
    • LEE SANG YUPCHOI YONG JUNPARK JIN HWAN
    • C12N1/21C12N15/52C12P7/16
    • C12Y102/07007C12N9/0008C12P7/16C12P19/32Y02E50/10
    • The present invention relates to a recombinant microorganism having an improved ability to produce butanol and to a production method for butanol using the same, and more specifically relates to a recombinant microorganism for biosynthesis of butanol in which 2-ketoisovalerate, which is a precursor of L-valine, is used as an intermediate, and relates to a production method for butanol using the same. A feature of the recombinant microorganism according to the present invention is that a microorganism having the ability to produce 2-ketoisovalerate, which is a precursor of L-valine, has introduced therein: a gene coding for VorABC enzyme which is an enzyme that converts 2-ketoisovalerate into isobutyryl-CoA; a gene coding for an enzyme that converts isobutyryl-CoA into butyryl-CoA; a gene coding for an enzyme that converts butyryl-CoA into butyraldehyde; and a gene coding for an enzyme that converts butyraldehyde into butanol. Unlike existing Clostridium acetobutylicum, the recombinant microorganism according to the present invention is easy to grow, has a substantial strain-improvement potential due to additional metabolic flux manipulation and is useful as a microorganism for the industrial production of butanol, and a recombinant microorganism is provided which has an improved ability to produce butanol by simplifying the process for converting 2-ketoisovalerate to isobutyryl-CoA.
    • 本发明涉及丁醇生产能力提高的重组微生物以及使用其的丁醇生产方法,并且更具体地涉及用于生物合成丁醇的重组微生物,其中2-酮异戊酸盐是L - 缬氨酸用作中间体,并且涉及使用其的丁醇的生产方法。 根据本发明的重组微生物的特征在于具有产生L-缬氨酸的前体2-酮异戊酸的能力的微生物已经引入其中:编码VorABC酶的基因,所述VorABC酶是将2位 - 酮异戊酸化为异丁酰-CoA; 编码将异丁酰-CoA转化为丁酰-CoA的酶的基因; 编码将丁酰-CoA转化为丁醛的酶的基因; 和编码将丁醛转化为丁醇的酶的基因。 与现有的丙酮丁醇梭菌不同,本发明的重组微生物容易生长,由于额外的代谢通量操作而具有显着的菌株改善潜力,并且可用作丁醇工业生产的微生物,并且提供了重组微生物 其通过简化将2-酮异戊酸转化成异丁酰-CoA的过程而具有改进的生产丁醇的能力。
    • 10. 发明申请
    • METHOD FOR PREDICTING DRUG TARGETS AND SCREENING FOR DRUGS FOR PATHOGENIC MICROORGANISMS USING ESSENTIAL METABOLITES
    • 用于预防药物靶标的方法和使用基本代谢物的病原微生物药物筛选
    • WO2011034397A2
    • 2011-03-24
    • PCT/KR2010006469
    • 2010-09-20
    • KOREA ADVANCED INST SCI & TECHLEE SANG YUPKIM HYUN UKKIM TAE YONGYI KYU YANG
    • LEE SANG YUPKIM HYUN UKKIM TAE YONGYI KYU YANG
    • C12Q1/04C12Q1/00
    • G06F19/12
    • The present invention relates to a method for predicting drug targets and screening for drugs for pathogenic microorganisms using essential metabolites. More particularly, the present invention relates to a method for screening for efficient drug target enzymes for pathogenic microorganisms or for drug target genes encoding the enzymes, and to a method for screening for drugs capable of inhibiting the growth of pathogenic microorganisms, wherein said methods comprise: selecting target microorganisms; constructing a metabolism network model for the selected microorganisms; predicting the metabolite that is essential for cell growth using a metabolite essentiality analysis; deleting a currency metabolite, and deleting an essential metabolite, the number of outgoing reactions of which is less than a reference number; and selecting the remaining essential metabolites and essential metabolites such that enzymes which consume the essential metabolites are not present in the metabolism of a host.
    • 本发明涉及使用必需代谢物预测药物靶标和筛选病原微生物药物的方法。 更具体地说,本发明涉及用于筛选用于病原微生物的有效药物靶酶或编码酶的药物靶基因的方法,以及用于筛选能够抑制病原微生物生长的药物的方法,其中所述方法包括 :选择目标微生物; 构建所选微生物的代谢网络模型; 使用代谢物本质分析预测细胞生长所必需的代谢物; 删除货币代谢物,删除必需代谢物,其输出反应数小于参考数; 并选择剩余的必需代谢物和必需代谢物,使得消耗主要代谢物的酶不存在于宿主代谢中。