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    • 53. 发明申请
    • Particle-based multiplex assay system with three or more assay reporters
    • 具有三个或更多测定记录的基于粒子的多重测定系统
    • US20060177850A1
    • 2006-08-10
    • US11321374
    • 2005-12-29
    • Mack SchermerMark BobrowWayne Patton
    • Mack SchermerMark BobrowWayne Patton
    • C12Q1/68C12M1/34G01N33/551
    • G01N33/54313B01J19/0046B01J2219/005B01J2219/00502B01J2219/00504B01J2219/00545B01J2219/00547B01J2219/00576B01J2219/00592B01J2219/00596B01J2219/00605B01J2219/00612B01J2219/00621B01J2219/00702B01J2219/00722C12Q1/6827G01N33/54333G01N33/54366G01N2035/00772C12Q2565/102C12Q2563/107C12Q2537/143C12Q2563/149
    • A system and method for developing and utilizing particle-based n-multiplexed assays that include three or more reporters utilizes n particle sets that are associated with particle identification images or labels (IDs) that differ between sets. The encoded particles for a given set are coated with a specific binding member, or in the case of the sandwich assay with coupled capture and detector binding pair members, to form particle types. The sets of particle types are then pooled, and aliquots of the particle types are removed to assay vessels. Next, samples with three or four reporter molecules are supplied to the respective vessels. After one or more incubation periods, the particles are supplied to a reader system, which determines the particle IDs to identify the particle types and also detects the reporter signals. The reader system includes multiple excitation lasers that excite the various reporters in sequence or in parallel, to supply associated signals to one or more detectors. Emission filters and wavelength discriminators are included such that a given detector receives at a given time the signals associated with a single assay binding label. The system further develops greater capacity sandwich assays by assigning subsets of capture and detector antibody pairings to the three or four reporters, respectively. The system performs greater numbers of differential RNA expressions based on the use of the three or more reporters, with one or more reporters assigned to the reference sample and the other reporters assigned to respective test samples. The system and method are also capable of performing greater numbers of SNPs utilizing primer extension reactions, by assigning different color reporters to the respective nucleotides or terminators.
    • 用于开发和利用包括三个或更多个记录器的基于粒子的n多元化测定的系统和方法利用与在组之间不同的粒子识别图像或标签(ID)相关联的n个粒子集。 给定组的编码颗粒用特异性结合成员涂覆,或者在使用偶联捕获和检测器结合对成员的夹心测定的情况下,形成颗粒类型。 然后将这些颗粒类型集合,并将等分的颗粒类型移除到测定容器中。 接下来,将具有三个或四个报告分子的样品供应到各个容器。 在一个或多个孵育期后,颗粒被提供给读取器系统,其确定颗粒ID以识别颗粒类型并且还检测报告信号。 读取器系统包括多个激发激光器,其按顺序或并联激励各种报告器,以将相关信号提供给一个或多个检测器。 包括发射滤波器和波长鉴别器,使得给定检测器在给定时间接收与单个测定结合标签相关联的信号。 该系统通过分别将三个或四个记录者的捕获和检测抗体配对分组进一步开发更大容量的夹心测定。 该系统基于使用三个或更多个记者,分配给参考样本的一个或多个记者和分配给各个测试样品的其他记者,来执行更多数量的差异RNA表达。 通过将不同的颜色记录分配给各个核苷酸或终止子,该系统和方法还能够利用引物延伸反应来进行更多数量的SNP。
    • 57. 发明授权
    • Methods for isolating genes from microorganisms
    • 从微生物分离基因的方法
    • US06942973B2
    • 2005-09-13
    • US10095975
    • 2002-03-12
    • Debbie S. YaverRandy M. Berka
    • Debbie S. YaverRandy M. Berka
    • C12N15/10C12N15/30C12N15/52C12N15/74C12Q1/68C07H21/04C12N9/08C12P21/02
    • C12Q1/6895C12N15/1034C12Q1/6809C12Q2600/158C12Q2565/501C12Q2565/102C12Q2525/179
    • The present invention relates to methods for isolating a gene encoding an enzyme, comprising: (a) adding a mixture of labeled first nucleic acid probes from a microbial strain cultured on medium without the substrate, and labeled second nucleic acid probes from a microbial strain cultured on medium with the substrate, to an array of random nucleic acid fragments of the microbial strain where the labeled nucleic acids hybridize to complementary sequences of the genomic fragments in the array, wherein the first nucleic acid probes are labeled with a first reporter and the second nucleic acid probes are labeled with a second reporter; (b) examining the array under conditions wherein the relative expression of the genes of the microbial strain is determined by the observed hybridization reporter signal of each spot in the array; and (c) isolating a gene from the microbial strain that encodes an enzyme that degrades the substrate. The present invention also relates to isolated genes obtained by such methods.
    • 本发明涉及用于分离编码酶的基因的方法,其包括:(a)从培养基上培养的微生物菌株中加入标记的第一核酸探针的混合物,而不含底物,以及来自培养的微生物菌株的标记的第二核酸探针 在具有底物的培养基上的微生物菌株的随机核酸片段的阵列,其中标记的核酸与阵列中的基因组片段的互补序列杂交,其中第一核酸探针用第一报道分子标记, 核酸探针用第二报告物标记; (b)在条件下检查阵列,其中微生物菌株的基因的相对表达通过阵列中每个斑点的观察杂交报道信号确定; 和(c)从编码降解底物的酶的微生物菌株中分离基因。 本发明还涉及通过这些方法获得的分离基因。
    • 59. 发明申请
    • Unimolecular segment amplification and sequencing
    • US20030235849A1
    • 2003-12-25
    • US10413041
    • 2003-04-10
    • Paul M. LizardiMichael Caplan
    • C12Q001/68C12P019/34
    • C12Q1/6862C12Q1/6804C12Q1/6809C12Q1/6816C12Q1/6844C12Q1/6853C12Q2563/179C12Q2531/125C12Q2531/143C12Q2537/125C12Q2531/119C12Q2537/143C12Q2539/113C12Q2565/102C12Q2525/161C12Q2563/131C12Q2525/307
    • Disclosed are compositions and a method for amplification of and multiplex detection of molecules of interest involving rolling circle replication. The method is useful for simultaneously detecting multiple specific nucleic acids in a sample with high specificity and sensitivity. The method also has an inherently low level of background signal. A preferred form of the method consists of an association operation, an amplification operation, and a detection operation. The association operation involves association of one or more specially designed probe molecules, either wholly or partly nucleic acid, to target molecules of interest. This operation associates the probe molecules to a target molecules present in a sample. The amplification operation is rolling circle replication of circular nucleic acid molecules, termed amplification target circles, that are either a part of, or hybridized to, the probe molecules. A single round of amplification using rolling circle replication results in a large amplification of the amplification target circles. Following rolling circle replication, the amplified sequences are detected using combinatorial multicolor coding probes that allow separate, simultaneous, and quantitative detection of multiple different amplified target circles representing multiple different target molecules. Since the amplified product is directly proportional to the amount of target sequence present in a sample, quantitative measurements reliably represent the amount of a target sequence in a sample. Major advantages of this method are that a large number of distinct target molecules can be detected simultaneously, and that differences in the amounts of the various target molecules in a sample can be accurately quantified. It is also advantageous that the DNA replication step is isothermal, and that signals are strictly quantitative because the amplification reaction is linear and is catalyzed by a highly processive enzyme.