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5990301 Process for the separation and purification of nucleic acids from biological sources  
A process for the isolation and purification of nucleic acids and/or oligonucleotides for use in gene therapy wherein nucleic acids and/or oligonucleotides are isolated or purified from an...
5986085 Matched ion polynucleotide chromatography (MIPC) process for separation of polynucleotide fragments  
A batch process for obtaining polynucleotide fragments, such as dsDNA, having a selected size from a mixture of polynucleotide fragments including the steps of a) applying a solution of the mixture...
5981185 Oligonucleotide repeat arrays  
A solid support based hybridization assay is provided which allows for the systematic and reproducible analysis of repeat and tandem repeat oligonucleotide sequences of DNA and RNA by hybridization...
5981736 One step device and process for concentration and purification of biological molecules  
A device for one step purification of a desired biological molecule from a sample, wherein the device comprises a housing loaded with an adsorptive media of a known volume on top of a size...
5973137 Low pH RNA isolation reagents, method, and kit  
The present invention describes an RNA isolation process which utilizes low pH reagents. In addition, the reagents are less hazardous and are more stable than those used in prior art methods. This...
5969129 Purification of polynucleotides from polynucleotide/polysaccharide mixtures  
A process for isolating polynucleotides from aqueous mixtures containing both polynucleotides and polysaccharides is described. The process uses polymer gels containing --B(OH) 2 groups, and is...
5962666 Deformylase  
The invention provides def polypeptides and DNA (RNA) encoding def polypeptides and methods for producing such polypeptides by recombinant techniques. Also provided are methods for utilizing def...
5945515 Product and process for isolating DNA, RNA and proteins  
Solutions and methods are disclosed for the effective, simple isolation/extraction of DNA, RNA and proteins from a single biological material sample, such as cells, tissues and biological fluids....
5945520 Chromatographic resins and methods for using same  
Disclosed are rationally designed mixed mode resins which are useful in recovering a target compound from an aqueous solution and methods for use of such resins. The resins described herein have a...
5942610 Non-nucleoside 1,3-diol reagents and their use to label or modify synthetic oligonucleotides  
The subject invention concerns novel reagents and methods useful for introducing functional groups and labels at multiple sites of a nucleotide. The reagents are useful, for example, in...
5932717 Methods of obtaining DNA-RNA hybrids from sturgeon milt  
The present invention pertains to DNA-RNA hybrids endowed with immunotropic and antiviral activity, a pharmaceutical preparation made on the basis thereof, and the process for the preparation of...
5916776 Amplification method for a polynucleotide  
The nucleic acid amplification procedures of the present invention provide methods for amplification of a nucleic acid comprised of a first strand, comprising (a) using the first strand to generate...
5916744 Testing for infestation of rapeseed and other cruciferae by the fungus Leptosphaeria maculans (blackleg infestation)  
A method of testing for infestation of tissue of rape or other Cruciferea with a virulent strain of Leptosphaeria maculans. The method involves isolating DNA of L. maculans from the tissue;...
5916775 Method for the purification of DNA  
Disclosed is a method for collecting DNA by lysing microbial cells, adsorbing released DNA on a carrier and collecting the DNA adsorbed on the carrier, which method comprises the following steps of...
5912332 Affinity-based purification of oligonucleotides using soluble multimeric oligonucleotides  
The present invention provides novel compounds and methods for purifying oligonucleotides. The compounds according to the invention are multimeric oligonucleotides comprising a multimerization...
5910408 Catalytic DNA having ligase activity  
The invention features nucleic acid molecules and, in particular, DNA molecules having catalytic activity, as well as methods for obtaining and using such nucleic acid molecules.
5910584 Method for isolating plasmid DNA  
Method for isolating plasmid DNA, which comprises the steps of: suspending hydroxyapatite particles in a tris-EDTA buffer solution having a pH of about 7 to about 10, about 10 to about 50 mM of an...
5908845 Polyether nucleic acids  
A compound comprising a polyether backbone bearing a plurality of ligands that are individually bound to chiral carbon atoms located within said backbone, at least one of said ligands including a...
5898071 DNA purification and isolation using magnetic particles  
A method of separating polynucleotides, such as DNA, RNA and PNA, from a solution containing polynucleotides by reversibly and non-specifically binding the polynucleotides to a solid surface, such...
5892007 Method and means for oligonucleotide separation  
A protecting group for use in separating oligodeoxyribonucleotide compounds having the formula Ar--L--Y, wherein Ar represents a substantially planar, fused ring system containing at least fused...
5876941 Detection of mismatches by resolvase cleavage on a solid support  
Disclosed is a method for detecting one or more mismatches in a test nucleic acid which preferentially hybridizes to a reference nucleic acid. The method involves a) providing the test nucleic acid...
5869641 High affinity nucleic acid ligands of CD4  
Methods are described for the identification and preparation of high-affinity nucleic acid ligands to CD4. Included in the invention are specific 2'F RNA ligands to CD4 identified by the SELEX method.
5869696 Universal solid supports and methods for their use  
Universal solid support oligonucleotide synthesis reagents, oligonucleotide synthesis processes, and reagents for cleaving oligonucleotides from solid supports are disclosed. Oligonucleotide...
5866326 Method for isolating vegetative insecticidal protein genes  
The present invention is drawn to pesticidal strains and proteins. Bacillus strains which are capable of producing pesticidal proteins and auxiliary proteins during vegetative growth are provided....
5866429 Precision and accuracy of anion-exchange separation of nucleic acids  
Solvents for salt-gradient anion-exchange separation of nucleic acids, especially double-stranded DNA and especially by liquid chromatography, are improved by replacing NaCl as the eluting salt...
5861254 Flow cell SELEX  
Described herein are methods for improved partitioning between high and low affinity nucleic acid ligands identified through the SELEX method, termed Flow Cell SELEX. The Flow Cell SELEX method...
5856465 Compositions and methods for the synthesis of chirally pure organophosphorus nucleoside derivatives  
Methods for the stereospecific synthesis of chirally pure organophosphorus dinucleotide derivatives and nucleoside monomer synthons used in their synthesis are provided. These methods allow for...
5856464 Selective capping solution phase oligonucleotide synthesis  
Improved methods for solution-phase synthesis of purified short-chain oligonucleotide coupling units, such as dimers, trimers, and tetramers, suitable for use in solution-phase or solid-phase...
5856100 Method for purification and transfer to separation/detection systems of DNA sequencing samples and plates used therefor  
Disclosed are: a part for assembling reaction vessels comprising a base plate with holes passing through said plate in the direction of thickness; a method for preparation of reaction vessels...
5851805 Method for producing DNA from mRNA  
An improved method for amplifying cDNA fragments corresponding to the mRNA species expressed in cells is described. The method involves priming the mRNA with a first labeled synthetic...
5849479 High-affinity oligonucleotide ligands to vascular endothelial growth factor (VEGF)  
Methods are described for the identification and preparation of nucleic acid ligand ligands to vascular endothelial growth factor (VEGF). Included in the invention are specific RNA ligands to VEGF...
5846721 Efficient and simpler method to construct normalized cDNA libraries with improved representations of full-length cDNAs  
This invention provides a method to normalize a cDNA library comprising: (a) constructing a directionally cloned library containing cDNA inserts wherein the insert is capable of being amplified by...
5846832 Apparatus and method for shear breakage of polynucleotides  
Apparatus and method for producing a defined size distribution of polynucleotide fragments having a selected mean size range between about 100 and 20,000 base pairs. The method includes passing a...
5846716 Method for nucleotide sequence amplification  
This invention relates to an improvement of the procedure for amplifying a target nucleotide sequence by using an effective amount of a glycine-based osmolyte in the reaction mixture of an...
5846713 High affinity HKGF nucleic acid ligands and inhibitors  
Methods are described for the identification and preparation of high-affinity nucleic acid ligands to hKGF. Included in the invention are specific RNA ligands to hKGF identified by the SELEX...
5846783 Methods and apparatus for preparing, amplifying, and discriminating multiple analytes  
The present invention provides methods and apparatus for detecting and discriminating multiple analytes within a test sample which are simple, user-friendly, cost-effective and fast. In particular,...
5843653 Method for detecting a target molecule in a sample using a nucleic acid ligand  
This invention discloses a method of detecting the presence or absence of a target molecule in a sample and a method of measuring the amount of a target molecule in a sample using nucleic acid...
5843312 Chromatography material  
A chromatography material is described for separation of nucleic acid mixtures in which a support is converted with a silanization reagent, in which the silanization reagent has a reactive group...
5840862 Process for aligning, adhering and stretching nucleic acid strands on a support surface by passage through a meniscus  
Macromolecules such as nucleic acid strands are aligned, adhered and stretched on a support surface by passing the strands through a meniscus of a solvent containing the strands. The meniscus may...
5840877 Electrophoresis gels of enhanced selectivity  
Electrophoresis gels of enhanced selectivity are produced by adding a preformed polymer to a polymerization solution containing at least one monomer and at least one cross-linker. The polymer must...
5837524 PYK2 related polynucleotide products  
The present invention features a method for treatment of an organism having a disease or condition characterized by an abnormality in a signal transduction pathway, wherein the signal transduction...
5830662 Method for construction of normalized cDNA libraries  
This invention provides a method to normalize a directional cDNA library constructed in a vector that allows propagation in single-stranded circle form comprising: (a) propagating the directional...
5830643 Partially double-stranded oligonucleotide and method for forming oligonucleotide  
A method for forming an oligonucleotide comprises the steps of synthesizing a pair of oligonucleotides, one oligonucleotide having a base sequence portion comlementary to that of the other at a...
5831070 Printing oligonucleotide arrays using deprotection agents solely in the vapor phase  
A method and apparatus for selectively applying a print material onto a substrate for the synthesis of an array of oligonucleotides at selected regions of a substrate. The print material includes a...
5824787 Polynucleotide sizing reagent  
A polynucleotide marker reagent is described for use in DNA and RNA size determination.
5821058 Automated DNA sequencing technique  
A process for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations wherein chromophores or fluorophores are used to tag the DNA fragments produced by the sequencing...
5817798 Rapid RNA isolation procedure in the presence of a transition metal ion  
Provided herein is a rapid method for isolating total RNA from test samples and further for isolating mRNA from test samples.
5817797 Sequencing DNA; a modification of the polymerase chain reaction  
The invention provides a process wherein a biotinylated oligonucleotide primer and an oligonucleotide primer which has not undergone biotinylation are used when amplifying a DNA sequence to...
5811538 Process for the purification of oligomers  
Methods for purifying an oligomer by normal phase column chromatography on a support selected from polyhydroxyethyl aspartamide, hydrophilic silica and silica from an oligomer impurity having a...
5808041 Nucleic acid purification using silica gel and glass particles  
The present invention provides compositions and methods for isolating nucleic acids with lengths greater than about 50 bases, from cells, gels, solutions and other media, in which nucleic acids...