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    • 4. 发明申请
    • NEURONAL DATA PROCESSING NETWORK
    • 神经数据处理网络
    • WO1990010274A1
    • 1990-09-07
    • PCT/NL1990000018
    • 1990-02-20
    • RIJKSUNIVERSITEIT TE LEIDENWOLTERS, GezinusMURRE, Jacob, Marinus, JanPHAF, Rutger, Hans
    • RIJKSUNIVERSITEIT TE LEIDEN
    • G06F15/80
    • G06N3/04G06N99/005
    • A data processing module or neural network, comprising a plurality of nodes, as well as connections between said nodes, through which connections data weighted by a weighting factor can be transmitted between the nodes, said nodes having an activation value representative of the data received. There are provides at least three types of nodes; a first type (R) adapted to receive external data and at least two of which are present; a second type (V), one of which is always paired with a node of the first type; and a third type (A, E), at least one of which is present. Each node of the first type (R) is connected through a connection with a preferably positive weighting factor (up, low) to the associated node of the second type (V) and to the node of the third type (A, E). Each node of the second type (V) is connected through a connection with a preferably negative weighting factor (flat; cross; high) to the other nodes of the second type (V), to the nodes of the first type (R) not being paired therewith, and to the node of the third type (A, E). The node of the third type (A, E) is connected through connections with a preferably positive weighting factor (strange) to the nodes of the first type.
    • 包括多个节点的数据处理模块或神经网络以及所述节点之间的连接,通过该数据处理模块或神经网络可以在所述节点之间传送由加权因子加权的连接数据,所述节点具有表示接收到的数据的激活值。 提供至少三种类型的节点; 适于接收外部数据的第一类型(R),并且其中至少两个存在; 第二类型(V),其中之一总是与第一类型的节点配对; 和第三类型(A,E),其中至少一个存在。 第一类型(R)的每个节点通过具有优选正的加权因子(向上,向下)的连接连接到第二类型(V)的相关联节点并连接到第三类型(A,E)的节点。 第二类型(V)的每个节点通过具有优选负加权因子(平坦;交叉;高)到第二类型(V)的其他节点的连接连接到第一类型(R)的节点 与第三类型(A,E)配对。 第三类型(A,E)的节点通过具有优选正的加权因子(奇数)的连接连接到第一类型的节点。
    • 5. 发明申请
    • MANNOSYLATED PEPTIDES
    • 人造胶原蛋白
    • WO1998013378A1
    • 1998-04-02
    • PCT/NL1997000536
    • 1997-09-25
    • RIJKSUNIVERSITEIT TE LEIDENKONING, FritsDRIJFHOUT, Jan, Wouter
    • RIJKSUNIVERSITEIT TE LEIDEN
    • C07K14/35
    • C07K14/70539C07K9/00
    • T cells mediate specific immune reactions. They recognize (foreign) protein fragments - peptides - that are bound in the peptide binding groove of MHC molecules. These peptide MHC complexes are generated intracellularly and subsquently transported to the cell surface for recognition by T cells. A rate limiting step in the MHC restricted presentation of (foreign) peptides derived from extracellular sources is therefore the uptake of such antigens by antigen presenting cells and the delivery to the intracellular compartment(s) where the MHC-peptide complexes are formed. Professional antigen presenting cells like dendritic cells and macrophages take up antigens by macropinocytosis and mannose receptor mediated endocytosis. We have explored the possibility that the mannosylation of otherwise non-mannosylated antigens would lead to enhanced uptake and MHC restricted presentation of (fragments of) such antigens by mannose receptor positive cells. Using mannose receptor positive cultured human dendritic cells as antigen presenting cells we found that the mannosylation of antigenic peptides resulted in a 300 - 10.000 fold enhanced potency to stimulate MHC class II restricted peptide-specific T cell clones compared to non-mannosylated peptides. These results indicate that mannosylation of antigens leads to selective targeting and subsequent superior presentation by dendritic cells, a result which may be applicable in for example vaccine design.
    • T细胞介导特异性免疫反应。 他们认识到(外来的)蛋白质片段 - 肽结合在MHC分子的肽结合槽中。 这些肽MHC复合物在细胞内和细胞内产生,被T细胞识别。 因此,MHC限制性地表达来自细胞外源的(外源)肽的速率限制步骤是抗原呈递细胞对这些抗原的摄取以及递送至其中形成MHC-肽复合物的细胞内区室。 专业抗原呈递细胞如树突状细胞和巨噬细胞通过巨噬细胞增多和甘露糖受体介导的内吞作用占据抗原。 我们已经探索了其他非甘露糖基化抗原的甘露糖基化可导致甘露糖受体阳性细胞增强摄取和MHC限制性表达(片段)这种抗原的可能性。 使用甘露糖受体阳性培养的人树突状细胞作为抗原呈递细胞,我们发现与非甘露糖基化肽相比,抗原肽的甘露糖基化导致刺激MHC II类限制性肽特异性T细胞克隆的增强效力为300-10,000倍。 这些结果表明抗原的甘露糖基化导致选择性靶向和随后的树突状细胞的优异表达,其可能适用于例如疫苗设计。
    • 10. 发明申请
    • ON-LINE COUPLING OF BIOCHEMICAL DETECTION TO CONTINUOUS-FLOW SEPARATION TECHNIQUES
    • 生物化学检测对连续流动分离技术的在线耦合
    • WO1996033409A1
    • 1996-10-24
    • PCT/NL1996000173
    • 1996-04-19
    • RIJKSUNIVERSITEIT TE LEIDENVAN DER GREEF, JanIRTH, HubertusOOSTERKAMP, Aaike, JohannesLUTZ, Eva, Saskia, Mareike
    • RIJKSUNIVERSITEIT TE LEIDEN
    • G01N33/53
    • G01N30/84G01N33/5302G01N33/536G01N2030/8435G01N2030/8804G01N2030/8827G01N2030/884
    • The present invention relates to an on-line detection method comprising the on-line coupling of a fractionation and a biochemical detection technique, which method comprises the addition of a controlled amount of an affinity molecule to the effluent of the fractionation step to react with analytes in the effluent, the subsequent addition of a controlled amount of a detectable ligand capable of binding to the affinity molecule, and detection of the affinity molecule/detectable ligand complex. Further, the invention is directed to an on-line method for the screening of compounds on their binding capability to a known affinity molecule, which method comprises a fractionation step providing an effluent, the addition of a controlled amount of said affinity molecule to the effluent of the fractionation step and effecting a contact time sufficient to allow a reaction with or interaction between the compounds in the effluent, the subsequent addition of a controlled amount of a detectable ligand capable of binding to the affinity molecule, and detection of the affinity molecule/detectable ligand complex.
    • 本发明涉及一种在线检测方法,其包括分级分离的在线偶联和生物化学检测技术,该方法包括向分级步骤的流出物中添加受控量的亲和分子以与分析物反应 在流出物中,随后添加受控量的能够结合亲和分子的可检测配体,以及检测亲和分子/可检测配体复合物。 此外,本发明涉及用于筛选化合物对已知亲和分子的结合能力的在线方法,该方法包括提供流出物的分馏步骤,向流出物中加入受控量的所述亲和分子 的分级步骤,并且实现足以允许流出物中化合物的反应或相互作用的接触时间,随后加入受控量的能够结合亲和分子的可检测配体,以及检测亲和分子/ 可检测的配体复合物。