Abstract:
A chemical detection device and a method of its manufacture is described herein. The device includes a chemically-sensitive field effect transistor 214 including a floating gate conductor 218 having an upper surface 220. A dielectric material 210 defines a cavity 201 extending to the upper surface of the floating gate conductor. A conductive layer 250 is on a sidewall 260 of the cavity and electrically communicating with the floating gate conductor 220. An inner surface 251 of the conductive layer 250 defines a well 201 for the sensor.
Abstract:
Systems and methods for assembling a nucleic acid sequence are disclosed. A plurality of single fragment sequence reads and a plurality of paired fragment sequence reads are received. Each paired fragment sequence read comprises at least two sequence reads separated by an insert. Single fragment sequence reads are assembled into a plurality of contigs, and the paired fragment sequence reads are mapped to the contigs. Further, gap regions comprising a portion of the partially assembled nucleic acid sequence for which the single fragment sequence reads do not map are identified, and hanging pairwise sequence reads of the mapped paired fragment sequence reads are used to fill in the gap region.
Abstract:
Disclosed are genomic sequences for nine strains of Cronobacter spp. (C. sakazakii - 696, 701, 680; C. malonaticus - 507, 681; C. turicensis - 564; C. muytjensii - 530; C. dublinensis - 582; C. genomospl - 581) and compositions, methods, and kits for detecting, identifying and distinguishing Cronobacter spp. strains from each other and from non-Cronobacter spp. strains. Some embodiments describe isolated nucleic acid compositions unique to certain Cronobacter strains as well as compositions that are specific to all Cronobacter spp. Primer and probe compositions and methods of use of primers and probes are also provided. Kits for identification of Cronobacter spp. are also described. Some embodiments relate to computer software methods for setting a control based threshold for analysis of PCR
Abstract translation:公开了九个克罗杆菌属菌株的基因组序列。 (C. sakazakii-696,701,680; C. malonaticus-507,681; C. turicensis-564; C. muytjensii-530; C.dublinensis-582; C.基因组蛋白-58)和组合物,方法和试剂盒 用于检测,识别和鉴别克罗杆菌属。 菌株彼此和非克罗杆菌属。 株。 一些实施方案描述了某些克罗杆菌菌株特有的分离的核酸组合物以及对所有克罗杆菌属特异性的组合物。 还提供引物和探针组合物以及引物和探针的使用方法。 克隆杆菌属鉴定试剂盒 也被描述。 一些实施例涉及用于设置用于PCR分析的基于控制的阈值的计算机软件方法
Abstract:
Systems and methods are used to generate a protocol for an assay. At least one performance characteristic parameter of an assay and at least one standardized protocol for each assay of a plurality of assays and assay types are stored. A performance characteristic parameter selection and an assay selection are received from a client device of a laboratory. One or more performance characteristic parameters and a standardized protocol are retrieved from the database device. The client device is sent the one or more performance characteristic parameters and one or more study variable values. One or more amendments to the one or more performance characteristic parameters and one or more study variable values are received from the client device. A protocol for the assay is generated based on the one or more amendments.
Abstract:
Methods, assays, compositions and kits for the ligation of short polynucleotides are presented herein. The short polynucleotides are optionally no more than 7 nucleotides in length, and can be as short as 3 or 4 nucleotides in length. The ligation is optionally performed by CV ligase.
Abstract:
Disclosed herein are methods for identifying rare cells containing particular markers and/or alleles from biological samples that have not been substantially pre-processed (e.g., unprocessed whole blood). The methods described herein provide a system for digital enrichment of target cells from a biological sample and detection of such target cells, thereby allowing accurate and efficient detection and / or enumeration of such cells in the sample.
Abstract:
A proximity binding assay (PBA) is performed on at least one test sample, at least one reference sample, a background sample, and one or more calibration samples using a thermal cycler instrument. Ct values are determined for at least one set of test sample data and at least one set of reference sample data. Background corrected Ct values are calculated using a corresponding value in a background sample data set. A linear range is determined for the background corrected Ct values as a function of sample quantity. A linear regression line is calculated for each linear range. One or more parameter values of an exponential model (EM) fold change formula are estimated from the one or more sets of calibration sample data. A target protein quantity and associated confidence interval are calculated using the linear regression lines and the EM fold change formula.
Abstract:
A method for sequencing a polynucleotide strand by using sequencing-by-synthesis techniques. To address the problem of incomplete extension (IE) and/or carry forward (CF) errors that can occur in sequencing-by-synthesis reactions, an alternative flow ordering of dNTPs is used. In contrast to conventional flow orderings, the dNTPs are flowed in an ordering that is not a continuous repeat of an ordering of the four different dNTPs. This alternate flow ordering may reduce the loss of phasic synchrony in the population of template polynucleotide strands that result from IE and/or CF errors.
Abstract:
Disclosed are methods of detecting target analytes using covalent analyte binding moieties in proximity detection assays. Specifically, two proximity detection probes, each comprises an analyte binding moiety and an oligonucleotide moiety, are used for the detection with one analyte binding moiety that covalently binds to the targeted analytes. Further disclosed are methods of coupling an analyte binding moiety with an oligonucleotide moiety to form a proximity detection probe during the detection assays. Reagents and kits for carrying out the methods are also provided.