Affymetrix Patent Grants

Arrays of nucleic acid probes for analyzing biotransformation genes

Granted: December 7, 2010
Patent Number: 7846659
The invention provides arrays of immobilized probes, and methods employing the arrays, for detecting mutations in the biotransformation genes, such as cytochromes P450. For example, one such array comprises four probe sets. A first probe set comprises a plurality of probes, each probe comprising a segment of at least three nucleotides exactly complementary to a subsequence of a reference sequence from a biotransformation gene, the segment including at least one interrogation position…

Combinatorial affinity selection

Granted: November 16, 2010
Patent Number: 7833714
In one aspect of the invention, methods for analyzing nucleic acid sample are provided. In a preferred embodiment, nucleic acids are selected using affinity matrices prior hybridization with a microarray.

Nucleic acid labeling methods

Granted: November 2, 2010
Patent Number: 7824863
In one aspect of the invention, a method is provided for end-labeling RNA (total RNA, mRNA, cRNA or fragmented RNA). In one aspect of the present invention, T4 RNA ligase is used to attach a 3?-labeled AMP or CMP donor to an RNA acceptor molecule. In another embodiment, a pyrophosphate molecule 3?-AppN-3?-linker-detectable moiety is used as donor molecule. In another aspect of the present invention, a method of detecting the presence of an RNA of interest in a sample is provided, the…

Methods for identifying DNA copy number changes

Granted: October 26, 2010
Patent Number: 7822555
Methods of identifying allele-specific changes in genomic DNA copy number are disclosed. Methods for identifying homozygous deletions and genetic amplifications are disclosed. An array of probes designed to detect presence or absence of a plurality of different sequences is also disclosed. The probes are designed to hybridize to sequences that are predicted to be present in a reduced complexity sample. The methods may be used to detect copy number changes in cancerous tissue compared to…

Computer software for visualizing recombination events in a group of individuals from recombination breakpoints and assignments in high density SNP genotyping data by generating a color-coded view for each individual chromosome and a whole genome view for the group

Granted: October 19, 2010
Patent Number: 7818281
A computer system for visualizing recombination events in a group of individuals is provided. According to one aspect of the invention, high-density SNP genotype data is obtained from related individuals in a family. A pedigree is created, haplotypes are reconstructed and likely recombination breakpoints are identified with the use of publicly available computer programs. A software tool is then used facilitate the visualization of the recombination events in the family.

System, method, and product for generating patterned illumination

Granted: September 28, 2010
Patent Number: 7803609
An embodiment of a method for generating an interference pattern at a probe array is described that comprises directing light at a first waveguide and second waveguide, wherein the first and second waveguides are positioned adjacent to each other and the output from the first and second waveguides produce an interference pattern; and directing the interference pattern at the probe array.

Parallel preparation of high fidelity probes in an array format

Granted: September 28, 2010
Patent Number: 7803934
The present invention provides massively parallel oligonucleotide synthesis and purification for applications that utilize large collections of defined high-fidelity oligonucleotides (e.g., from about 101 to about 105 different sequences, generally between 25-160 bases in length).

Modified nucleic acid probes

Granted: September 14, 2010
Patent Number: 7794943
Oligonucleotide analogue arrays attached to solid substrates and methods related to the use thereof are provided. The oligonucleotide analogues hybridize to nucleic acids with either higher or lower specificity than corresponding unmodified oligonucleotides. Target nucleic acids which comprise nucleotide analogues are bound to oligonucleotide and oligonucleotide analogue arrays.

Antireflective coatings for high-resolution photolithographic synthesis of DNA arrays

Granted: September 7, 2010
Patent Number: 7790389
The present invention provides an array of polymers and methods of forming arrays of polymers by providing a substrate having a first layer including one or more dielectric coatings on a solid support and a second layer including a plurality of polymers disposed on the first layer. The invention also provides methods for forming an array of polymers on a substrate using light-directed synthesis by providing a substrate having a first layer including one or more dielectric coatings on a…

Multiplex oligonucleotide addition and target amplification

Granted: July 13, 2010
Patent Number: 7754451
Methods for appending oligonucleotides directly to nucleic acid templates, particularly to defined sites internal to single-stranded templates, are described. Appending first and second common priming sites to each of a plurality of templates of distinct sequence allows the subsequent stoichiometric amplification of a plurality of templates of distinct sequence.

Miniaturized microparticles

Granted: June 29, 2010
Patent Number: 7745091
An encoded microparticle carrying a code is provided; and a set of encoded microparticles are provided with distinguishable codes, wherein the codes comply with a pre-determined coding scheme.

Complexity management of genomic DNA

Granted: June 29, 2010
Patent Number: 7745178
The presently claimed invention provides for novel methods and kits for reducing the complexity of a nucleic acid sample by providing non-gel based methods for amplification of a subset of the sequences in a sample. In a preferred embodiment, amplification of a subset can be accomplished by digesting a sample with two or more restriction enzymes and ligating adaptors to the fragments so that only a subset of the fragments can be amplified. The invention further provides for analysis of…

Multiple step printing methods for microbarcodes

Granted: June 29, 2010
Patent Number: 7745092
A method of forming a plurality of encoded microparticles with a lithography process to define codes for identifying the particles is disclosed herein.

Combinatorial strategies for polymer synthesis

Granted: June 15, 2010
Patent Number: 7736906
A method and device for forming large arrays of polymers on a substrate (401). According to a preferred aspect of the invention, the substrate is contacted by a channel block (407) having channels (409) therein. Selected reagents are delivered through the channels, the substrate is rotated by a rotating stage (403), and the process is repeated to form arrays of polymers on the substrate. The method may be combined with light-directed methodologies.

Combinatorial strategies for polymer synthesis

Granted: April 6, 2010
Patent Number: 7691330
A method and device for forming large arrays of polymers on a substrate (401). According to a preferred aspect of the invention, the substrate is contacted by a channel block (407) having channels (409) therein. Selected reagents are delivered through the channels, the substrate is rotated by a rotating stage (403), and the process is repeated to form arrays of polymers on the substrate. The method may be combined with light-directed methodolgies.

System, method, and product for scanning of biological materials

Granted: March 30, 2010
Patent Number: 7689022
An embodiment of a scanning system is described including optical elements that direct an excitation beam at a probe array, detectors that receive reflected intensity data responsive to the excitation beam, where the reflected intensity data is responsive to a focusing distance between an optical element and the probe array, a transport frame that adjusts the focusing distance in a direction with respect to the probe array, an auto-focuser that determines a best plane of focus based upon…

System, method, and product for multiple wavelength detection using single source excitation

Granted: March 23, 2010
Patent Number: 7682782
An embodiment of a method for adjusting system gain of a biological probe array scanner for a plurality of fluorophore species is described that comprises setting an excitation beam comprising an excitation wavelength at a first power level that elicits an optimal signal to noise ratio response from a first fluorophore species; scanning a biological probe array with the excitation beam; setting the excitation beam comprising the excitation wavelength at a second power level different…

Polymorphism detection

Granted: March 9, 2010
Patent Number: 7674587
The present invention generally provides a rapid efficient method for analyzing polymorphic or biallelic markers, and arrays for carrying out these analyses. In general, the methods of the present invention employ arrays of oligonucleotide probes that are complementary to target nucleic acids which correspond to the marker sequences of an individual. The probes are typically arranged in detection blocks, each block being capable of discriminating the three genotypes for a given marker,…

Capturing sequences adjacent to type-IIS restriction sites for genomic library mapping

Granted: February 16, 2010
Patent Number: 7662559
The present invention relates to novel methods for sequencing and mapping genetic markers in polynucleotide sequences using Type-IIs restriction endonucleases. The methods herein described result in the “capturing” and determination of specific oligonucleotide sequences located adjacent to Type-IIs restriction sites. The resulting sequences are useful as effective markers for use in genetic mapping, screening and manipulation.

Methods for high throughput genotyping

Granted: December 15, 2009
Patent Number: 7634363
Methods for genotyping polymorphisms using allele specific probes are disclosed. A training set is used to generate a model for each polymorphism to be interrogated. The training set is used to obtain an estimate of the asymmetry between an intensity measurement for a first allele and an intensity measurement for a second allele of the same polymorphism. The intensity measurement obtained for a test sample is adjusted using the estimate of asymmetry prior to using the intensity…