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    • 31. 发明专利
    • SANDWICH MEASURING METHOD
    • JPH10160735A
    • 1998-06-19
    • JP1774997
    • 1997-01-16
    • MEIJI MILK PROD CO LTD
    • YANO AKIRAYOKOYAMA MINEHIKOIKEMATSU SHINYAODA MUNEHIROMURAMATSU TAKASHIMURAMATSU TOSHIKO
    • G01N33/53G01N33/531G01N33/543
    • PROBLEM TO BE SOLVED: To obtain a sandwich measuring method in which a high-sensitivity measuring system can be constructed by a method wherein two kinds of polychlonal antibodies are used as a first antibody and a second antibody for a sandwich method. SOLUTION: A sandwich method is constructed in such a way that human MK is used as an antigen and that a rabbit and a chicken are used an immune animals. When epitopes on MK molecules recognized by two kinds of polyclonal antibodies derived from the rabbit and the chicken are compared, the two kinds of polyclonal antibodies recognize respectively different epitope groups on identical antigen molecules. When the polyclonal antibodies are used as a first antibody and a second antibody for the sandwich method, it is possible to establish the sandwich method similar to that of monoclonal antibodies. In addition, an antigen is a protein which is originally owened by an animal species, different animal species are immunized, and polyclonal antibodies are obtained from them. In addition, two kinds of animal species which are immunized are not limited to the rabbit and the chicken, and a combination of animal species in which epitopes are not overlapped can be used arbitrarily.
    • 37. 发明专利
    • Method of cultivating normal epithelial cell
    • 培养正常上皮细胞的方法
    • JPS61124376A
    • 1986-06-12
    • JP24619384
    • 1984-11-22
    • Meiji Milk Prod Co Ltd
    • SATO JIROMIYAZAKI MASAHIROYABE TAMAEMIYANO KEIKOODA MUNEHIRO
    • C12N1/38C12N5/02C12N5/071C12P21/00
    • C12N5/067C12N1/38C12N2501/999C12P21/00
    • PURPOSE: To obtain a normal epithelial cell capable of existing and being cultivated for a long period, by cultivating a normal epithelial cell in a medium containing a barbituric acid derivative.
      CONSTITUTION: A normal epithelial cell (e.g., normal aged rat hepatic cell of primary culture) is dispersed into a basic medium containing about 20wt% bovine serum, 10μM dexamethasone, and 10μg/ml insulin, and inoculated in a density about of 7×10
      4 cell/0.2ml/cm
      3 into a plastic dish, and cultivated in a CO
      2 gas culture medium (5% CO
      2 gas concentration) at about 37°C. After it is cultivated for about 24 hours, a barbituric acid derivative (e.g., phenobarbital) is added to the medium so that its concentration in the medium is 3mM, and the cultivation is continued for about 49 days.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在含有巴比妥酸衍生物的培养基中培养正常的上皮细胞,获得长期存在和培养的正常上皮细胞。 构成:将正常上皮细胞(例如,原代培养物的正常老年大鼠肝细胞)分散在含有约20重量%牛血清,10muM地塞米松和10ug / ml胰岛素的基础培养基中,并以约7×10 4 >细胞/ 0.2ml / cm 3放入塑料盘中,并在约37℃下在CO 2气体培养基(5%CO 2气体浓度)中培养。 培养约24小时后,向培养基中加入巴比妥酸衍生物(例如苯巴比妥),使其在培养基中的浓度为3mM,培养持续约49天。
    • 38. 发明专利
    • High polymer polysaccharide substance mps-82 and its use
    • 高聚物多糖物质MPS-82及其用途
    • JPS58203913A
    • 1983-11-28
    • JP8729482
    • 1982-05-25
    • Meiji Milk Prod Co Ltd
    • TAKETOMO TADAOODA MUNEHIROOOYAMA YOSHIOKANBE MICHIOTSUCHIYA FUMIYASU
    • C08B37/00A61K31/70A61K35/74A61P35/00C12P19/04
    • NEW MATERIAL:High polymer polysaccharide substance MPS-82 having the following physical and chemical properties. Elemental analysis: C 38.03%, H: 6.52%, O: 55.21%, N: 0.24%. Molecular weight: 2.0S (S: Svedberg unit (ultracentrifugation). Melting point: 225°C (change in color)W270°C(decomposition). Specific rotatory power: [α]D
      24 =+112±5° (c=0.25%). Solubility: soluble in water, insoluble in methanol, acetone, etc. Color reaction: positive in Molisch reaction and anthrone reaction. pH: 4.75. (0.5wt% aqueous solution). Appearance: white, fibrous state.
      USE: An immuno activator. An antitumor agent.
      PROCESS: A bacterium [e.g., Bifidobacterium longum No. 21-R (FERM-BP-126)] belonging to the genus Bifidobacterium, capable of producing high polymer polysaccharide substance MPS-82 substance is subjected to settled culture under anaerobic conditions, and after the cultivation is over, the desired substance is separated and purified by centrifugation, extraction, ion exchange chromatography, etc.
      COPYRIGHT: (C)1983,JPO&Japio
    • 新材料:具有以下物理和化学性质的高分子多糖物质MPS-82。 元素分析:C 38.03%,H:6.52%,O:55.21%,N:0.24%。 分子量:2.0S(S:Svedberg单位(超速离心)熔点:225℃(颜色变化)-270℃(分解)比旋光度:αD 24 = + 112+ 或-5度(c = 0.25%)溶解性:溶于水,不溶于甲醇,丙酮等颜色反应:在Molisch反应和蒽酮反应中为阳性,pH:4.75。(0.5wt%水溶液)外观 :白色纤维状态用途:免疫激活剂抗肿瘤剂方法:属于双歧杆菌属的双歧杆菌属细菌[例如长双歧杆菌21-R(FERM-BP-126)],能够生产高分子多糖 物质MPS-82物质在厌氧条件下进行沉降培养,培养结束后,通过离心,提取,离子交换色谱等分离和纯化所需物质。