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    • 1. 发明授权
    • Method for cell surface displaying of target proteins using Bacillus anthracis exosporium
    • 使用炭疽杆菌外芽的细胞表面显示靶蛋白的方法
    • US08883692B2
    • 2014-11-11
    • US12159933
    • 2006-12-29
    • Sang Yup LeeTae Jung ParkNam Su HeoJong Hyun Choi
    • Sang Yup LeeTae Jung ParkNam Su HeoJong Hyun Choi
    • C40B40/10C12P21/02C07K16/00C07K14/32C12N15/70
    • 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 BclA or fragments 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 BclA 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 BclA, 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,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BclA或其片段的bclA基因的表达载体,并且靶蛋白可以以与BclA或BclA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BclA,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。
    • 4. 发明授权
    • Bio-silica chip comprising silica binding protein and method for fabricating the same
    • 包含二氧化硅结合蛋白的生物二氧化硅芯片及其制造方法
    • US08389225B2
    • 2013-03-05
    • US12410071
    • 2009-03-24
    • Sang Yup LeeTae Jung ParkYang Kyu ChoiBon Sang GuJae Hyuk Ahn
    • Sang Yup LeeTae Jung ParkYang Kyu ChoiBon Sang GuJae Hyuk Ahn
    • G01N33/53G01N31/00
    • G01N33/552G01N2035/00158
    • The present invention relates to a bio-silica chip comprising a silica-binding protein and a fabrication method thereof, and more particularly to a bio-silica chip in which a fusion protein of a silica-binding protein and a probe protein is immobilized on a chip comprising a silica layer, a fabrication method thereof and a method of using the bio-silica chip to detect interactions with biomaterials. The bio-silica chip will be very useful in biosensors, etc., because the bio-silica chip is advantageous in that it does not cause non-specific protein binding in the detection of protein-DNA, protein-ligand, protein-antibody, protein-peptide, protein-carbohydrate, protein-protein and cell-biomaterial interactions. Also, in the method for fabricating the bio-silica chip, a probe chip can be selectively immobilized on a silica device chip, which is widely used in biosensors, without a chemical surface treatment process. Thus, a chip fabricating process is simplified and a complicated process for purifying the probe protein becomes unnecessary, thus providing great improvements in productivity and economic efficiency.
    • 本发明涉及包含二氧化硅结合蛋白的生物二氧化硅芯片及其制造方法,更具体地说,涉及将二氧化硅结合蛋白质和探针蛋白质的融合蛋白质固定在其上的生物二氧化硅芯片 包括二氧化硅层的芯片,其制造方法以及使用生物二氧化硅芯片来检测与生物材料的相互作用的方法。 生物二氧化硅芯片在生物传感器等方面非常有用,因为生物二氧化硅芯片是有利的,因为它不会在检测蛋白质-DNA,蛋白质 - 配体,蛋白质 - 抗体等过程中引起非特异性蛋白质结合, 蛋白质 - 肽,蛋白质 - 碳水化合物,蛋白质 - 蛋白质和细胞 - 生物材料相互作用。 此外,在制造生物二氧化硅芯片的方法中,探针芯片可以选择性地固定在广泛用于生物传感器的二氧化硅器件芯片上,而无需化学表面处理工艺。 因此,简化了芯片制造工艺,并且不需要用于纯化探针蛋白的复杂过程,从而提高了生产率和经济效率。
    • 6. 发明申请
    • METHOD FOR PREPARING METAL NANOPARTICLE USING METAL BINDING PROTEIN
    • 使用金属结合蛋白制备金属纳米颗粒的方法
    • US20110124131A1
    • 2011-05-26
    • US12301581
    • 2007-04-17
    • Sang Yup LeeTae Jung Park
    • Sang Yup LeeTae Jung Park
    • G01N33/553C12P3/00B32B5/16C12N1/21C12N1/16C12N1/00B05D7/14C12N1/15
    • C07K14/825B82Y5/00B82Y15/00C12N9/104C12P3/00G01N33/531G01N33/588Y10T428/2982
    • The present invention relates to a method of preparing heavy metal nanoparticles using a heavy metal-binding protein. More specifically, relates to a method for preparing heavy metal structures, comprising the steps of: culturing a microorganism transformed with a gene encoding a heavy metal-binding protein, in a heavy metal ion-containing medium, to produce heavy metal structures in the microorganism; and collecting the produced heavy metal structures, as well as nanoparticles of heavy metal structures prepared according to said method. Unlike prior methods of preparing quantum dots by physically binding metal materials, en the quantum dots disclosed herein can be efficiently produced by expressing the heavy metal-binding protein in cells. In addition, the quantum dots are useful because they can solve an optical stability problem that is the shortcoming of organic fluorophores.
    • 本发明涉及使用重金属结合蛋白制备重金属纳米粒子的方法。 更具体地,涉及一种制备重金属结构体的方法,包括以下步骤:在含重金属离子的培养基中培养用重金属结合蛋白的基因转化的微生物,以在微生物中产生重金属结构 ; 并收集所生产的重金属结构物,以及根据所述方法制备的重金属结构纳米颗粒。 与通过物理结合金属材料制备量子点的现有方法不同,本文公开的量子点可以通过在细胞中表达重金属结合蛋白而有效地产生。 此外,量子点是有用的,因为它们可以解决作为有机荧光团的缺点的光学稳定性问题。
    • 8. 发明申请
    • BIO-SILICA CHIP COMPRISING SILICA BINDING PROTEIN AND METHOD FOR FABRICATING THE SAME
    • 包含二氧化硅结合蛋白的二氧化硅芯片及其制造方法
    • US20100035362A1
    • 2010-02-11
    • US12410071
    • 2009-03-24
    • Sang Yup LeeTae Jung ParkYang Kyu ChoiBon Sang GuJae Hyuk Ahn
    • Sang Yup LeeTae Jung ParkYang Kyu ChoiBon Sang GuJae Hyuk Ahn
    • G01N33/53G01N33/00C07K14/00C07H21/00C12N15/63C12N1/21C12N1/15C12N1/19C12P21/00
    • G01N33/552G01N2035/00158
    • The present invention relates to a bio-silica chip comprising a silica-binding protein and a fabrication method thereof, and more particularly to a bio-silica chip in which a fusion protein of a silica-binding protein and a probe protein is immobilized on a chip comprising a silica layer, a fabrication method thereof and a method of using the bio-silica chip to detect interactions with biomaterials. The bio-silica chip will be very useful in biosensors, etc., because the bio-silica chip is advantageous in that it does not cause non-specific protein binding in the detection of protein-DNA, protein-ligand, protein-antibody, protein-peptide, protein-carbohydrate, protein-protein and cell-biomaterial interactions. Also, in the method for fabricating the bio-silica chip, a probe chip can be selectively immobilized on a silica device chip, which is widely used in biosensors, without a chemical surface treatment process. Thus, a chip fabricating process is simplified and a complicated process for purifying the probe protein becomes unnecessary, thus providing great improvements in productivity and economic efficiency
    • 本发明涉及包含二氧化硅结合蛋白的生物二氧化硅芯片及其制造方法,更具体地说,涉及将二氧化硅结合蛋白质和探针蛋白质的融合蛋白质固定在其上的生物二氧化硅芯片 包括二氧化硅层的芯片,其制造方法以及使用生物二氧化硅芯片来检测与生物材料的相互作用的方法。 生物二氧化硅芯片在生物传感器等方面非常有用,因为生物二氧化硅芯片是有利的,因为它不会在检测蛋白质-DNA,蛋白质 - 配体,蛋白质 - 抗体等过程中引起非特异性蛋白质结合, 蛋白质 - 肽,蛋白质 - 碳水化合物,蛋白质 - 蛋白质和细胞 - 生物材料相互作用。 此外,在制造生物二氧化硅芯片的方法中,探针芯片可以选择性地固定在广泛用于生物传感器的二氧化硅器件芯片上,而无需化学表面处理工艺。 因此,简化了芯片制造工艺,并且不需要用于纯化探针蛋白的复杂过程,从而提高了生产率和经济效率
    • 10. 发明授权
    • Method for preparing metal nanoparticle using metal binding protein
    • 使用金属结合蛋白制备金属纳米粒子的方法
    • US08476055B2
    • 2013-07-02
    • US12301581
    • 2007-04-17
    • Sang Yup LeeTae Jung Park
    • Sang Yup LeeTae Jung Park
    • C12N1/20C07H21/04
    • C07K14/825B82Y5/00B82Y15/00C12N9/104C12P3/00G01N33/531G01N33/588Y10T428/2982
    • The present invention relates to a method of preparing heavy metal nanoparticles using a heavy metal-binding protein. More specifically, relates to a method for preparing heavy metal structures, comprising the steps of: culturing a microorganism transformed with a gene encoding a heavy metal-binding protein, in a heavy metal ion-containing medium, to produce heavy metal structures in the microorganism; and collecting the produced heavy metal structures, as well as nanoparticles of heavy metal structures prepared according to said method. Unlike prior methods of preparing quantum dots by physically binding metal materials, the quantum dots disclosed herein can be efficiently produced by expressing the heavy metal-binding protein in cells. In addition, the quantum dots are useful because they can solve an optical stability problem that is the shortcoming of organic fluorophores.
    • 本发明涉及使用重金属结合蛋白制备重金属纳米粒子的方法。 更具体地,涉及一种制备重金属结构体的方法,包括以下步骤:在含重金属离子的培养基中培养用重金属结合蛋白的基因转化的微生物,以在微生物中产生重金属结构 ; 并收集所生产的重金属结构物,以及根据所述方法制备的重金属结构纳米颗粒。 与通过物理结合金属材料制备量子点的现有方法不同,本文公开的量子点可以通过在细胞中表达重金属结合蛋白而有效地产生。 此外,量子点是有用的,因为它们可以解决作为有机荧光团的缺点的光学稳定性问题。