Abstract:
Fast and highly accurate mass spectrometry-based processes for detecting particular nucleic acid molecules and sequences in the molecules are provided. Depending upon the sequence to be detected, the processes, for example, can be used to diagnose a genetic disease or a chromosomal abnormality, a predisposition to a disease or condition, or infection by a pathogen, or for determining identity or heredity.
Abstract:
The present invention relates to the use of the compound [2-[(5-nitro-1,3-thiazol-2-yl)carbamoyl]phenyl]ethanoate in a method of treatment or prophylaxis of vascular and respiratory disease, fibrotic disease and neurodegenerative disease, particularly interstitial pneumonia, tuberous sclerosis or lymphangioleiomyomatosis, collagen disease, interstitial lung disease, human kidney disease, nephritic syndrome, liver fibrosis or liver cirrhosis, Alzheimer's disease or Parkinson's disease.
Abstract:
Processes and methods for creating a database of genomic samples from healthy human donors, methods that use the database to identify and correlate polymorphic genetic markers and other markers with diseases and conditions are provided.
Abstract:
This invention relates to methods for detecting and sequencing target nucleic acid sequences, to mass modified nucleic acid probes and arrays of probes useful in these methods, and to kits and systems which contain these probes. Useful methods involve hybridizing the nucleic acids or nucleic acids which represent complementary or homologous sequences of the target to an array of nucleic acid probes. These probes comprise a single-stranded portion, an optional double-stranded portion and a variable sequence within the single-stranded portion. The molecular weights of the hybridized nucleic acids of the set can be determined by mass spectroscopy, and the sequence of the target determined from the molecular weights of the fragments. Nucleic acids whose sequences can be determined include DNA or RNA in biological samples such as patient biopsies and environmental samples. Probes may be fixed to a solid support such as a hybridization chip to facilitate automated molecular weight analysis and identification of the target sequence.
Abstract:
Processes and methods for creating a database of genomic samples from healthy human donors, methods that use the database to identify and correlate polymorphic genetic markers and other markers with diseases and conditions are provided.
Abstract:
Provided herein in certain embodiments are processes that generally include the following steps: amplifying a target nucleic acid molecule; ionizing and volatilizing the amplification product and analyzing the ionized and volatilized product by mass spectrometry. In some embodiments the amplification product is a natural nucleic acid and detection of the target nucleotide sequence by mass spectrometry indicates the presence of the target nucleotide sequence in the biological sample.
Abstract:
Provided herein are substrates for matrix-assisted laser-desorption ionization (MALDI) mass spectrometric analysis. Each spot includes 3-hydroxypicolinic acid matrix and no analyte.
Abstract:
Processes and kits for immobilizing a high density of nucleic acids on an insoluble surface, which are particularly useful for mass spectrometric detection of nucleic acids, are disclosed. Arrays containing the immobilized nucleic acids and use of the immobilized nucleic acids in a variety of solid phase nucleic acid chemistry applications, including nucleic acid synthesis (chemical and enzymatic), hybridization and/or extension, and sequencing, are provided. Serial and parallel dispensing tools that can deliver defined volumes of fluid to generate multi-element arrays of sample material on a substrate surface are further provided. Tools provided herein can include an assembly of vesicle elements, or pins, wherein each of the pins can include a narrow interior chamber suitable for holding nanoliter volumes of fluid. Methods for dispensing tools that can be employed to generate multi-element arrays of sample material on a substrate surface are also provided. The tool can dispense a spot of fluid to a substrate surface by spraying the fluid from the pin, contacting the substrate surface or forming a drop that touches against the substrate surface. The tool can form an array of sample material by dispensing sample material in a series of steps, while moving the pin to different locations above the substrate surface to form the sample array, The prepared sample arrays may be passed to a plate assembly that disposes the sample arrays for analysis by mass spectrometry.
Abstract:
A method for dissociating a complex of a biotin compound and a biotin-binding compound, by contacting the complex with an amine, is disclosed.
Abstract:
Fast and highly accurate mass spectrometry-based processes for detecting particular nucleic acid molecules and sequences in the molecules are provided. Depending upon the sequence to be detected, the processes, for example, can be used to diagnose a genetic disease or a chromosomal abnormality, a predisposition to a disease or condition, or infection by a pathogen, or for determining identity or heredity.