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Gupta, Danville

Amar Gupta, Danville, CA US

Patent application numberDescriptionPublished
20080268441DETECTABLE LABELED NUCLEOSIDE ANALOGS AND METHODS OF USE THEREOF - The invention relates to detectable labels useful for detection of nucleotide sequences. Specifically, the invention relates to labeled-imidazole-PEG compounds, such as nucleosides, nucleotides, and nucleic acids incorporating such compounds, and methods utilizing such compounds. The invention further relates to kits comprising labeled imidazole-PEG compounds.10-30-2008
20080293071Sequencing and Genotyping Using Reversibly Terminating Nucleotides - The invention provides a method of determining the nucleotide sequence of a target nucleic acid using a reversibly terminating nucleotide that is modified at the 2′ position.11-27-2008
200901428102'-Terminator Nucleotide-Related Methods and Systems - The present invention provides methods of extending primer nucleic acids and sequencing target nucleic acids. The methods include the use of 2′-terminator nucleotides to effect chain termination. In addition to related reaction mixtures and kits, the invention also provides computers and computer readable media.06-04-2009
20100093041Method for the Prevention of Carryover Contamination in Nucleic Acid Amplification Technologies - An improved method of preventing carryover contamination of an amplification reaction involves treating uracil-containing DNA with uracil-N-DNA glycosylase and heating the DNA in the presence of polyamines, such as spermidine, spermine and the like. Alternatively, after treatment with uracil-N-DNA glycosylase, the reaction is further incubated with an enzyme having AP lyase activity.04-15-2010

Patent applications by Amar Gupta, Danville, CA US

Amar P. Gupta, Danville, CA US

Patent application numberDescriptionPublished
20090098532Probes and Methods for Hepatitis C Virus Typing Using Single Probe Analysis - This invention provides compositions and methods for HCV typing, e.g., genotyping and/or subtyping. The compositions and methods of the invention can be used to assign an HCV isolate to one of at least five HCV genotypes (for example, selected from genotypes 1, 2, 3, 4, 5 or 6), or assign an HCV isolate to one of at least six subtypes (for example, selected from subtypes 1a/b/c, 2a/c, 2b, 3a, 4a, 5a or 6a), where the methods of the invention use only a single typing probe to make the HCV type assignment.04-16-2009
20100015598Light Emission Modifiers and Their Uses in Nucleic Acid Detection, Amplification and Analysis - The present invention relates to methods and reagents for modifying the emission of light from labeled nucleic acids for the purpose of real time detection, analysis, and quantitation of nucleic acid sequences, e.g., using singly labeled probes. These methods and reagents exploit advantageous properties of thiazine dyes and diazine dyes. Furthermore, the use of these light emission modifiers in background reduction, nucleic acid duplex stabilization and other uses is also described. Related kits, reaction mixtures and integrated systems are described.01-21-2010
20100015629Light Emission Modifiers and Their Uses in Nucleic Acid Detection, Amplification and Analysis - The present invention relates to methods and reagents for modifying the emission of light from labeled nucleic acids for the purpose of real time detection, analysis, and quantitation of nucleic acid sequences, e.g., using singly labeled probes. These methods and reagents exploit advantageous properties of thiazine dyes and diazine dyes. Furthermore, the use of these light emission modifiers in background reduction, nucleic acid duplex stabilization and other uses is also described. Related kits, reaction mixtures and integrated systems are described.01-21-2010
20100015630Light Emission Modifiers and Their Uses in Nucleic Acid Detection, Amplification and Analysis - The present invention relates to methods and reagents for modifying the emission of light from labeled nucleic acids for the purpose of real time detection, analysis, and quantitation of nucleic acid sequences, e.g., using singly labeled probes. These methods and reagents exploit advantageous properties of thiazine dyes and diazine dyes. Furthermore, the use of these light emission modifiers in background reduction, nucleic acid duplex stabilization and other uses is also described. Related kits, reaction mixtures and integrated systems are described.01-21-2010
20100124744DETECTION OF TARGET VARIANTS USING A FLUORESCENT LABEL AND A SOLUBLE QUENCHER - Methods, reaction mixtures and systems for detecting the presence or absence of a target nucleic acid variant from a selection of possible variants is described.05-20-2010

Patent applications by Amar P. Gupta, Danville, CA US