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    • 5. 发明申请
    • MULTICOLORED PARTICLES
    • 混合颗粒
    • US20110135929A1
    • 2011-06-09
    • US12961811
    • 2010-12-07
    • Fridtjof Lund-Johansen
    • Fridtjof Lund-Johansen
    • C08G83/00
    • G01N33/533B82Y5/00B82Y10/00Y10T428/2982
    • The present invention relates to a set of polymer particles stained with at least two fluorescent dyes, wherein at least 16 subsets of particles can be resolved on the basis of variable emission from the at least two fluorescent dyes wherein emission from at least one dye derives from a fluorescent dye covalently attached to the particle surface, and wherein all particles in said set of polymer particles can bind a uniform amount of a capture reagent. The invention also relates to a method for the preparation of said set of polymer particles as well as a kit comprising said set of polymer particles. The invention further relates to methods and uses of said set of polymer particles.
    • 本发明涉及用至少两种荧光染料染色的一组聚合物颗粒,其中可以基于来自至少两种荧光染料的可变发射来分辨至少16个亚类的颗粒,其中至少一种染料的发射来源于 共价连接到颗粒表面的荧光染料,并且其中所述聚合物颗粒组中的所有颗粒可以结合均匀量的捕获试剂。 本发明还涉及制备所述聚合物颗粒组的方法以及包含所述聚合物颗粒组的试剂盒。 本发明还涉及所述聚合物颗粒组的方法和用途。
    • 6. 发明授权
    • Multicolored particles
    • 多彩的颗粒
    • US07897407B2
    • 2011-03-01
    • US11995418
    • 2006-07-10
    • Fridtjof Lund-Johansen
    • Fridtjof Lund-Johansen
    • G01N21/77C12Q1/00
    • G01N33/533B82Y5/00B82Y10/00Y10T428/2982
    • A set of polymer particles stained with at least two fluorescent dyes is presented. At least 16 subsets of particles can be resolved on the basis of variable emission from the at least two fluorescent dyes where emission from at least one dye derives from a fluorescent dye covalently attached to the particle surface. All particles in the set of polymer particles can bind a uniform amount of a capture reagent. A method for the preparation of the set of polymer particles as well as a kit including the set of polymer particles is also presented as well as methods and uses of the set of polymer particles.
    • 提出了一组用至少两种荧光染料染色的聚合物颗粒。 可以基于来自至少两种荧光染料的可变发射来解析至少16个颗粒子集,其中来自至少一种染料的发射源自共价连接到颗粒表面的荧光染料。 聚合物颗粒组中的所有颗粒可以结合均匀量的捕获试剂。 还提出了制备该组聚合物颗粒的方法以及包含该组聚合物颗粒的试剂盒以及该组聚合物颗粒的方法和用途。
    • 10. 发明授权
    • Differentiation of granulocytic and monocytic progenitor cells
    • 粒细胞和单核细胞祖细胞的分化
    • US6096540A
    • 2000-08-01
    • US724725
    • 1996-09-30
    • Johanna OlweusFridtjof Lund-JohansenPeter Thompson
    • Johanna OlweusFridtjof Lund-JohansenPeter Thompson
    • C12N5/0786C12N5/0787G01N33/569C12N5/00C12N5/06C12N5/08
    • C12N5/0645C12N5/0642G01N33/56972C12N2501/125C12N2501/14C12N2501/22C12N2501/23
    • The present invention demonstrates that M-CSF responsiveness and the M-CSFR expression can be used to discriminate monocytic and granulocytic cells within a population of cells which strongly expresses the CD34 antigen (CD34.sup.hi). Briefly, the method comprises isolating phenotypically and functionally defined CD34.sup.+ subsets, and staining with anti-M-CSFR monoclonal antibodies to measure expression on these primitive progenitors and cells committed to the granulocytic and monocytic lineages, based upon expression of M-CSFR. CD34.sup.hi M-CSFR.sup.hi cells are highly clonogenic and approximately 70% of the colonies are CFU-M (monocytic), whereas less than 20% were CFU-G (granulocytic). In contrast, CD34.sup.hi cells that were positive for the granulo-monocytic marker CD64 and negative for the M-CSFR contained high frequencies of 91% pure CFU-Gs. After 60 h in culture, CD34.sup.hi M-CSFR.sup.hi cells developed into distinct populations of M-CSFR.sup.hi and M-CSFR.sup.lo cells. These two populations gave rise almost exclusively to monocytes and granulocytes, respectively. This result demonstrates that M-CSF target specificity among human hematopoietic progenitor cells is determined by lineage-specific regulation of the M-CSFR and demonstrate that M-CSFR is a useful marker to discriminate CFU-Ms from CFU-Gs.
    • 本发明证明M-CSF反应性和M-CSFR表达可用于区分强烈表达CD34抗原(CD34hi)的细胞群体内的单核细胞和粒细胞。 简而言之,该方法包括分离表型和功能定义的CD34 +亚群,并用抗M-CSFR单克隆抗体染色,以测量基于M-CSFR表达的这些原始祖细胞和致粒细胞和单核细胞谱系的细胞的表达。 CD34hiM-CSFRhi细胞高度克隆,大约70%的菌落是CFU-M(单核细胞),而小于20%是CFU-G(粒细胞)。 相比之下,对于粒细胞单核细胞标志物CD64阳性且M-CSFR阴性的CD34hi细胞含有91%纯CFU-Gs的高频率。 培养60 h后,CD34hiM-CSFRhi细胞发育成不同种群的M-CSFRhi和M-CSFRlo细胞。 这两个群体几乎分别产生单核细胞和粒细胞。 该结果表明,通过M-CSFR的谱系特异性调节来确定人造血祖细胞中的M-CSF靶特异性,并证明M-CSFR是鉴别CFU-Ms与CFU-Gs的有用标记。