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    • 1. 发明授权
    • Glycoproteomic probes for fluorescent imaging of fucosylated glycans in vivo
    • 用于体内岩藻糖基化聚糖荧光成像的糖蛋白质组学探针
    • US08329413B2
    • 2012-12-11
    • US13053192
    • 2011-03-21
    • Chi-Huey WongTsui-Ling HsuSarah R HansonMasaaki Sawa
    • Chi-Huey WongTsui-Ling HsuSarah R HansonMasaaki Sawa
    • G01N33/53
    • G01N33/582G01N1/30G01N2400/00
    • Methods are provided for labeling cellular glycans bearing azide groups via fluorescent labeling comprising Cu(I)-catalyzed [3+2] cycloaddition of a probe comprising alkynyl group. Generation of fluorescent probes from a nonfluorescent precursor, 4-ethynyl-N-ethyl-1,8-naphthalimide, by Cu(I)-catalyzed [3+2] cycloaddition of the alkyne group of the probe to an azido-modified sugar are provided. Incorporation of azido-containing fucose analog into glycoconjugates via the fucose salvage pathway are disclosed. Fluorescent visualization of fucosylated cells by flow cytometry of cells treated with 6-azidofucose labeled with click-activated fluorogenic probe or biotinylated alkyne is disclosed. Visualization of intracellular location of fucosylated glycoconjugates by fluorescence microscopy are disclosed.
    • 提供了通过含有包含炔基的探针的Cu(I)催化的[3 + 2]环加成的荧光标记来标记携带叠氮基的细胞聚糖的方法。 通过Cu(I)催化的[3 + 2]环加成的探针的炔基与叠氮改性的糖,从非荧光前体4-乙炔基-N-乙基-1,8-萘二甲酰亚胺生成荧光探针是 提供。 公开了通过岩藻糖补救途径将叠氮基岩藻糖类似物掺入糖缀合物。 公开了通过用用点击激活的荧光探针或生物素化的炔标记的6-叠氮基聚糖处理的细胞的流式细胞术的岩藻糖基化细胞的荧光可视化。 公开了通过荧光显微镜观察岩藻糖基化糖缀合物的细胞内位置。
    • 5. 发明申请
    • Glycoproteomic probes for fluorescent imaging of fucosylated glycans in vivo
    • 用于体内岩藻糖基化聚糖荧光成像的糖蛋白质组学探针
    • US20080241856A1
    • 2008-10-02
    • US12079228
    • 2008-03-24
    • Chi-Huey WongTsui-Ling HsuSarah R. HansonMasaaki Sawa
    • Chi-Huey WongTsui-Ling HsuSarah R. HansonMasaaki Sawa
    • G01N33/53C12P19/44C12Q1/00
    • G01N33/582G01N1/30G01N2400/00
    • The disclosure provides a method of labeling of cellular glycans bearing azide groups via a fluorescent labeling technique based on Cu(I)-catalyzed [3+2]cycloaddition (click activation) of a probe comprising an alkynyl group. The method entails generating a fluorescent probe from a nonfluorescent precursor, 4-ethynyl-N-ethyl-1,8-naphthalimide, by Cu(I)-catalyzed [3+2]cycloaddition of the alkyne group of the probe with an azido-modified sugar. The disclosure further provides a method of incorporating an azido-containing fucose analog into glycoconjugates via the fucose salvage pathway. The disclosure provides a method of fluorescent visualization of fucosylated cells by flow cytometry when cells treated with 6-azidofucose are labeled with the click-activated fluorogenic probe or biotinylated alkyne. A method of visualizing the intracellular localization of fucosylated glycoconjugates by fluorescence microscopy is also disclosed.
    • 本公开提供了通过基于包含炔基的探针的Cu(I)催化的[3 + 2]环加成(点击活化)的荧光标记技术来标记携带叠氮基的细胞聚糖的方法。 该方法需要通过Cu(I)催化的[3 + 2]环加成的探针的炔基与非荧光前体4-乙炔基-N-乙基-1,8-萘酰亚胺的生成荧光探针, 改性糖。 本公开进一步提供了通过岩藻糖补救途径将含叠氮基岩藻糖类似物掺入糖缀合物的方法。 本公开内容提供了当用6-叠氮基聚糖处理的细胞用点击激活的荧光探针或生物素化的炔被标记时,流式细胞仪荧光显示岩藻糖基化细胞的方法。 还公开了通过荧光显微镜观察岩藻糖基化糖缀合物的细胞内定位的方法。
    • 6. 发明申请
    • NOVEL FURANONE DERIVATIVE
    • 新鲜的呋喃酮衍生物
    • US20140018533A1
    • 2014-01-16
    • US14008488
    • 2012-03-30
    • Takayuki IrieAyako SawaMasaaki SawaTokiko AsamiYoko FunakoshiChika Tanaka
    • Takayuki IrieAyako SawaMasaaki SawaTokiko AsamiYoko FunakoshiChika Tanaka
    • C07D471/04
    • C07D471/04A61K31/437A61K31/4375A61K31/444A61K31/4545A61K31/4709A61K31/496A61K31/506A61K31/5355A61K31/541C07D519/00
    • To provide a novel furanone derivative, and a medicine including the same. The furanone derivative is represented by the formula (I): wherein A represents —COOR1 or a hydrogen atom; R1 represents a hydrogen atom, an optionally substituted hydrocarbon group, or an optionally substituted heterocycle; R2 and R3 are the same or different and each independently represent a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted phenyl group, an optionally substituted heterocycle, an optionally substituted heterocyclic fused ring, or an optionally substituted amino group; or alternatively, R2 and R3, taken together with the nitrogen atom to which they are attached, may form an optionally substituted heterocycle or an optionally substituted heterocyclic fused ring; and R4 represents a hydrogen atom or a halogen atom; with the proviso that when A represents —COOR1, R2 and R3 are not optionally substituted amino groups at the same time, and when A represents a hydrogen atom, R3 represents a hydrogen atom.
    • 提供一种新颖的呋喃酮衍生物,以及包含该呋喃酮衍生物的药物。 呋喃酮衍生物由式(I)表示:其中A表示-COOR 1或氢原子; R1表示氢原子,任选取代的烃基或任选取代的杂环; R2和R3相同或不同,并且各自独立地表示氢原子,任选取代的烃基,任选取代的苯基,任选取代的杂环,任选取代的杂环稠合环或任选取代的氨基; 或者R2和R3与它们所连接的氮原子一起可以形成任选取代的杂环或任选取代的杂环稠环; R4代表氢原子或卤原子; 条件是当A表示-COOR 1时,R2和R3不同时为任选取代的氨基,当A表示氢原子时,R 3表示氢原子。