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Class 435/7.91 - Enzyme produces product which is part of another reaction system (e.g., cyclic reaction, cascade reaction, etc.)


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter in which the enzyme label produces a product
No. of patents: 370
Last issue date: 04/03/2012


1                    
NumberTitleIssue Date
8148095Methods for predicting psychotropic drugs which elicit weight gain
The atypical antipsychotic drugs (AAPDs) have markedly enhanced the treatment of schizophrenias but their use has been hindered by the major weight gain elicited by some AAPDs. We found that orexigenic AAPDs potently and selectively activate hypothalamic AMP kinase ...
04/03/2012
8008034Reducing optical interference in a fluidic device
This invention is in the field of medical devices. Specifically, the present invention provides portable medical devices that allow real-time detection of analytes from a biological fluid. The methods and devices are particularly useful for providing point-of-care t...
08/30/2011
8003341Method of amplifying ATP and use thereof
The ATP amplification method is a method for amplifying and detecting a very trace amount of exogenous ATP by allowing a fusion protein (PPK-ADK) of a polyphosphate kinase and an adenylate kinase, the fusion protein not containing ADP, to act on a mixture of ATP, AM...
08/23/2011
7964370Analytical strip and detecting method using the same
An analytical strip and a detecting method using the analytical strip are provided. The analytical strip includes a substrate having a channel thereon. The channel has a first region, a second region and a third region, which are connected sequentially. A first anti...
06/21/2011
7745160Method of amplifying ATP and use thereof
The ATP amplification method of the present invention is a method for amplifying and detecting a very trace amount of exogenous ATP by allowing a fusion protein (PPK-ADK) of a polyphosphate kinase and an adenylate kinase, the fusion protein not containing ADP, to ac...
06/29/2010
7745161Amplification of enzymatic reactions for use with an enthalpy array
Provided is a method of detecting characteristics of a reaction of interest, including instituting the reaction of interest, obtaining an amplified heat related to the reaction of interest, measuring the amplified heat, and determining the characteristics of the rea...
06/29/2010
7723058Test system for the determination of in-vivo active hemostasis proteases in biological fluids and/or the usage thereof to determine the in-vivo activation of hemostasis
The present invention describes a test system for the determination of in-vivo active hemostasis proteases in biological fluids and the use thereof to determine the in-vivo activation of hemostasis or to diagnose pancreatitis. EDTA and/or EGTA is added to the biolog...
05/25/2010
7723057Screening assay for macromolecules that inhibit binding of sulfated glycosaminoglycan to beta amyloid
A screening assay for selecting macromolecules that interfere with the binding of a sulfated GAG to beta amyloid, the assay comprising affixing a sulfated GAG to a substrate, co-incubating the macromolecule and a known amount of beta amyloid with the sulfated GAG, d...
05/25/2010
7632652Enzyme-catalyzed metal deposition for the enhanced in situ detection of immunohistochemical epitopes and nucleic acid sequences
The invention is directed to novel compositions of matter and methods of detecting in situ an immunohistochemical epitope or nucleic acid sequence of interest in a biological sample comprising binding an enzyme-labeled conjugate molecule to the epitope or sequence o...
12/15/2009
7407764Plasma C5A levels as an indicator of asthma severity
This invention provides the first blood test which characterizes asthma severity. More specifically, the present invention provides methods of determining the severity of acute asthma in a patient by determining the levels of C5a or C5a-desArg in the patient's blood...
08/05/2008
7396658Methods for screening HIF like ouabain-resistant Na—K-ATPase agents
The present invention relates to rapid, quantitative, specific, high through-put methods for screening test substances for their ability to inhibit activity of an ouabain-resistant Na+—K+-ATPase involved in a variety of biological processes s...
07/08/2008
7374902Enzyme cycling based assays for alpha-methylacyl-CoA racemase
The present invention provides a method for assaying alpha-methylacyl-CoA racemase activity. In the assay, a sample containing an alpha-methylacyl-CoA racemase or suspected of containing an alpha-methylacyl-CoA racemase is contacted with (2R)-2-methylacyl-CoA. If al...
05/20/2008
7374897Enzyme cycling based assays for alpha-methylacyl-CoA racemase
The present invention provides a method for assaying alpha-methylacyl-CoA racemase activity. In the assay, a sample containing an alpha-methylacyl-CoA racemase or suspected of containing an alpha-methylacyl-CoA racemase is contacted with (2R)-pristanoyl-CoA. If alph...
05/20/2008
7371544Homogenous method for the detection of a polynucleotide, with e.g. cleavable lanthanide chelate label
The present invention relates to a homogenous method for detecting at least one target polynucleotide in a sample comprising the steps of contacting a sample comprising said polynucleotide or polynucleotide forming nucleic acids or...
05/13/2008
7361485Method for the detection of proteolytic enzymes
The present invention provides an improved protease assay in which the proteases are detected on basis of their capability to cleave a modified pro-caspase which will yield an activated caspase which can then further be detected. Also part of the invention are the m...
04/22/2008
7354733Method for sorting and separating living cells
We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating cell-selective photophoric labels, which photosensitize and chemically reduce a...
04/08/2008
7355079Thyronamine derivatives and analogs and methods of use thereof
Thyronamine derivatives and analogs, methods of using such compounds, and pharmaceutical compositions containing them are disclosed. Methods of preparing such compounds are also disclosed. ...
04/08/2008
7354776Method of processing and testing powdered samples using immunochromatographic strip tests
A method and kit for processing and testing powdered samples are provided herein. The powdered sample is combined with a fluid to produce a slurry or liquid suspension, and the slurry is contacted with an immunochromatographic test strip containing detectable reagen...
04/08/2008
7354725Kinase peptides and antibodies
The invention relates to novel kinase peptides and antibodies, as well as nucleic acids related to them. The peptides, antibodies and the nucleic acids are useful for the detection, staging and monitoring of the progression of a kinase-mediated disease, as well as f...
04/08/2008
7348147Method and system for nucleic acid detection
The present invention relates to a method of detecting nucleic acids comprising suspending at least one recognizable target nucleic acid in a suspending solution containing polymeric particles marked with a probe, wherein the probe has an affinity for the target nuc...
03/25/2008
7344849Assay
The present invention relates to assay methods for the determination of cobalamin or vitamin B12 in a body fluid and in particular to assay methods for the metabolically active pool of cobalamin, comprising contacting a cell free sample of a body fluid wi...
03/18/2008
7321065Thyronamine derivatives and analogs and methods of use thereof
Thyronamine derivatives and analogs, methods of using such compounds, and pharmaceutical compositions containing them are disclosed. Methods of preparing such compounds are also disclosed. ...
01/22/2008
7316908Peptides from the E2 proteins of human papillomaviruses 16 and 18 for detecting and/or diagnosing cervical and other human papillomavirus associated cancers
An isolated protein sequence or peptide from the E2, E6 or E7 early coding region of human papillomavirus (HPV) that is soluble in an aqueous medium, and characterized by a relative paucity of tryptophan, methionine and cysteine residues, and a relative abundance of...
01/08/2008
7314709Compositions and methods for detecting and quantifying COX-2 activity by lipoamino acid metabolism
A method of detecting an activity of a COX-2 enzyme in a subject that includes obtaining a sample of the subject; detecting an amino acid eicosanoid metabolite in the sample, wherein the presence of the amino acid eicosanoid metabolite indicates the activity of the ...
01/01/2008
7300633Specimen collection container
The present invention recognizes that sample handling devices, particularly those used for testing for substances of abuse, do not allow for a separation of the bulk sample from a sample thereof to be tested. The present invention provides such a device and methods ...
11/27/2007
7294471Method for purifying cancer-specific proliferating cell nuclear antigen
A method for purifying cancer-specific Proliferating Cell Nuclear Antigen (csPCNA) is described, as well as an immunoassay based thereon. ...
11/13/2007
7279287Analytical method
The instant invention describes an analytical assay to accurately measure an analyte in the presence of an interfering substance. ...
10/09/2007
7279295Allergen
The present invention relates to a novel allergen from timothy grass (Phleum pretense) pollen, Phl p11 as disclosed in SEQ ID NO:2, and use thereof as a reagent and in a diagnositic kit as well as for immunotherapy. ...
10/09/2007
7276373Surrogate cell-based system and method for assaying the activity of hepatitis C virus NS3 protease
The present invention concerns the development of a cell-based assay system having improved sensitivity to HCV NS3 protease activity when compared to known assays, which is useful for screening test compounds capable of modulating (particularly inhibiting) HCV NS3 p...
10/02/2007
7270959Specimen collection container
The present invention recognizes that sample handling devices, particularly those used for testing for substances of abuse, do not allow for a separation of the bulk sample from a sample thereof to be tested. The present invention provides such a device and methods ...
09/18/2007
7270970Point of care diagnostic systems
Systems and methods for medical diagnosis or risk assessment for a patient are provided. These systems and methods are designed to be employed at the point of care, such as in emergency rooms and operating rooms, or in any situation in which a rapid and accurate res...
09/18/2007
7267939Detection of analytes using reorganization energy
The invention relates to novel methods and compositions for the detection of analytes using the nuclear reorganization energy, λ, of an electron transfer process. ...
09/11/2007
7267957Detection and amplification of ligands
A system for the detection of ligands comprising at least one receptor and an amplification mechanism coupled to the receptor wherein an amplified signal is produced as a result of receptor binding a ligand. Examples of suitable amplification mechanisms include anti...
09/11/2007
7257991Sample testing device
A sample testing device has a buffer container that can hold buffer fluid, a filter with a securement for holding a test strip, the test strip, a test strip container having a receptacle to accommodate the filter, so that when the filter is held therein the test str...
08/21/2007
7238495Enzyme cycling based assays for alpha-methylacyl-CoA racemase
The present invention provides a method for assaying alpha-methylacyl-CoA racemase activity. In the assay, a sample containing an alpha-methylacyl-CoA racemase or suspected of containing an alpha-methylacyl-CoA racemase is contacted with (2R)-pristanoyl-CoA. If alph...
07/03/2007
7238493Acetylation of pRb by p300 assay method for compounds which modulate this process
The present invention is based upon the finding that the protein p300 has acetylation activity which is directed to the retinoblastoma tumour suppressor protein pRb by the presence in the cell of the adenovirus E1A protein. This represents a target for modulators of...
07/03/2007
7238537Assays
An analytical test device incorporating a dry porous carrier to which a liquid sample, eg. urine, suspected of containing an analyte such as HCG or LH can be applied indirectly, the device also incorporating a labelled specific binding reagent which is freely mobile...
07/03/2007
7229771Polyethylene glycol-derivatized biomolecules and their use in heterogeneous detection methods
The use of polyalkylene oxide modified reagents is disclosed in a method for the detection of an analyte or in suitable reagent kits for such methods. ...
06/12/2007
7226777Turbidimetric immunoassay and an apparatus therefor
According to the present invention, the expansion of measurable concentration range for an antigen in a sample solution can be achieved, without a step of dilution or the like. The concentration of an antigen contained in a sample solution is determined from the max...
06/05/2007
7223330Biosensor, biosensor array and method for detecting macromolecular biopolymers with a biosensor
The inventive biosensor has three electrodes, the first electrode having a retaining area for retaining probe molecules which bind with the macromolecular biopolymers. The second electrode and the third electrode are configured in such a way that the redox process i...
05/29/2007
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