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Class 436/91 - HETEROCYCLIC CARBON COMPOUND (I.E., O, S, N, SE, TE, AS ONLY RING HETERO ATOM)


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Subject matter involving the qualitative or quantitative
No. of patents: 64
Last issue date: 07/15/2008


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NumberTitleIssue Date
7399470Sandwich immunoassay kits for detecting ciguatoxin CTX3C
A sandwich immunoassay kit for detecting ciguatoxins based on a combination of two anti-ciguatoxin CTX3C monoclonal antibodies produced by hybridomas, 3D11 (deposited at IPOD, AIST under accession number FMRM PB-8293) and 10C9 (FMRM PB-8292). In particular, one of t...
07/15/2008
7378283Reaction monitoring of chiral molecules using fourier transform infrared vibrational circular dichroism spectroscopy
A method and apparatus to monitor the enantiomeric excess of chiral molecules participating in a chemical reaction. The method includes real time monitoring of the chemical reaction by obtaining a VCD spectra and an IR spectra of the chemical compounds in the reacti...
05/27/2008
7378282Method for measuring hypochlorite ion
A method for measuring hypochlorite ion, which comprises the steps of: (A) reacting, with hypochlorite ion, a compound represented by the following general formula (I): wherein R1 represe...
05/27/2008
7374721Chip with measuring reliability and a method thereof
A chip with measuring reliability and a method thereof are provided. The present invention serially connects a resistor having a resistance equal to or a little more than a maximum resistance of the chip itself to the resistor Rs of the chip so as to comp...
05/20/2008
7368085Analyte detector
An analyte detector including a device having a surface, wherein the device is capable of detecting a charge adjacent to the surface. The surface includes a plurality of molecules bonded thereto, wherein the molecules have a structure (I):
05/06/2008
7267990Chelation of charged and uncharged molecules with porphyrin-based compounds
Porphyrins containing one or more neutral or negatively-charged, closo- or nido-carborane substituents are useful as chelators. The carbon-carbon bonds linking the boron-containing groups to the porphyrin ring make the compounds highly resistant to hydrolysis. These...
09/11/2007
7264777Measurement of surface areas by polyvinylpyrrolidone sorption
A method of quantitatively determining surface area of a sample uses polyvinylpyrrolidone (PVP) dispersed in a solution containing the sample, and determining the amount of PVP that has deposited on the sample. ...
09/04/2007
7255835Single pass attenuated total reflection fourier transform infrared microscopy apparatus and method for identifying protein secondary structure, surface charge and binding affinity
Apparatus and method for acquiring an infrared spectrum of a sample having or suspected to have an amide I band, an amide II band, an amide III band, an amide A band, an OH stretching region or a combination thereof. A representative method includes providing a samp...
08/14/2007
7234365Methods and systems for dissolution testing
Methods and systems for determining a dissolution profile of a sample material, and for solubilization screening of a library defined by an array comprising multiple sample materials are disclosed. The methods and systems are particularly advantageous for sampling a...
06/26/2007
7210336Gas link leak evacuation and monitoring system
An apparatus and method for evacuating gas from the soil surrounding a leaking gas conduit utilizes non-sparking and static dissipating components to reduce the risk of an explosion. The evacuation of gas from probes in boreholes in the vicinity of the leak is induc...
05/01/2007
7198955Method and apparatus for measurement of blood substitutes
A method is disclosed whereby the concentration of a blood substitute, such as cross-linked hemoglobin, in a serum or plasma specimen is rapidly and accurately identified and quantified. The method further takes the measured concentration of the blood substitute and...
04/03/2007
7148069Method for analysis of compounds with amino group and analytical reagent therefor
The present invention provides a method for the analysis of a compound with amino group (e.g., an amino acid or peptide) contained in a sample and convenient manner with a high sensitivity. The compound with amino group in a sample containing the compound with amino...
12/12/2006
7132294Functionalized small molecules for use in chemical sensors
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda...
11/07/2006
7062312Combination and method including a visual marker for determining compliance with a medication regimen
A method and combination including a visual marker for monitoring a patient to determine compliance with a medication regimen. An orally administrable medication composition is provided in combination with a visual marker. When the combination is orally ingested, th...
06/13/2006
7026166Fluorogenic dyes
The present invention relates to the use of fluorogenic or chromogenic dyes as reporter molecules for detecting cell entry by a specific molecule. ...
04/11/2006
7024955Methods and systems for dissolution testing
Methods and systems for determining a dissolution profile of a sample material, and for solubilization screening of a library defined by an array comprising multiple sample materials are disclosed. The methods and systems are particularly advantageous for sampling a...
04/11/2006
7022910Photovoltaic cells utilizing mesh electrodes
In one aspect, the invention provides photovoltaic cells that utilize a mesh electrode on at least one exposure side of the photovoltaic cell. Preferably, the mesh electrode is a metallic mesh. In one embodiment, the invention provides dye-sensitized solar cells (DS...
04/04/2006
7018841Compositions and methods for the inhibition of neurotransmitter uptake of synaptic vesicles
Compositions and methods for treating neurosynaptic disorder in a subject are described. More specifically, compositions and methods for inhibiting glutamate uptake by synaptic vesicles in a subject are set forth. In one embodiment, the composition is inhibitory pro...
03/28/2006
6825045System and method of infrared matrix-assisted laser desorption/ionization mass spectrometry in polyacrylamide gels
A system and method for desorption and ionization of analytes in an ablation medium. In one embodiment, the method includes the steps of preparing a sample having analytes in a medium including at least one component, freezing the sample at a sufficiently low temper...
11/30/2004
6821784Method of diagnosing colorectal adenomas and cancer using proton magnetic resonance spectroscopy
Two dimensional COSY magnetic resonance spectroscopy of human stool can be used in a non-invasive method of detecting the presence of colorectal cancer. The spectrum of a patient's stool is compared with that of stool from non-cancerous subjects, observed difference...
11/23/2004
6723564IR MALDI mass spectrometry of nucleic acids using liquid matrices
Mass spectrometry of large nucleic acids by infrared Matrix-Assisted Laser Desorption/Ionization (MALDI) using a liquid matrix is reported. ...
04/20/2004
6706530IR-MALDI mass spectrometry of nucleic acids using liquid matrices
Mass spectrometry of large nucleic acids by infrared Matrix-Assisted Laser Desorption/Ionization (MALDI) using a liquid matrix is reported. ...
03/16/2004
6699720Interference-eliminating membranes, test strips, kits and methods for use in uric acid assay
The present invention relates to an interference-eliminating membrane for use in detecting uric acid in a sample, comprising a compound for inhibiting or shading uric acid interfering substances, or derivatives thereof, and a carrier having an absorption ...
03/02/2004
6620624Mass spectrometry interface, a mass spectrometer and a mass spectrometry
With rotating and translating a rotation-translation drum installed in a vacuum chamber of a mass spectrometry interface to constitute a mass spectro-meter, a liquid sample incorporating a dissolved substance to be analyzed in its mass is emitted for the ...
09/16/2003
66081785-hydroxytryptophol (5-HTOL) derivatives, antibodies, immunoassays and detection of recent alcohol consumption
Antibody specific for a 5-HTOL compound. A glucuronide with 5-hydroxytryptophol (5-HTOL) characterized in that it comprises the structure of the ଲ-glucuronide between the 5-hydroxy group of 5-HTOL and D-glucopyranosiduronic acid. An immunoassay and ...
08/19/2003
6605472Microfluidic devices connected to glass capillaries with minimal dead volume
A method is provided for joining a microchip device to a capillary tube. The microchip device has a capillary channel opening onto an edge surface of the device. A short hole is drilled into the edge surface, aligned with the capillary channel. The drilli...
08/12/2003
6566139Method of enhancing the fluorescent signal of a fluorescent oxygen scavenger
A method of automatically controlling the addition rate of Fresh Oxygen Scavenger Product and Ultimate Oxygen Scavenger Product to a Boiler System is described and claimed. The method is based on the inherent fluorometric properties of certain Fresh Oxyge...
05/20/2003
6558956Method and apparatus for detection of a controlled substance
Techniques and devices for detecting and analyzing controlled substances and the like are discussed including highly reactive sensor molecules which are coated on a spectroscopic sample surface (4) and which may chemically react with a given analyte to fo...
05/06/2003
6416762Anti-picornaviral ligands via a combinatorial computational and synthetic approach
The present invention provides structure-based combinatorial libraries of compounds containing the functional group minima of picornaviruses including poliovirus and rhinovirus. The libraries can be used to screen for therapeutical antiviral compounds, e....
07/09/2002
6376649Methods for the synthesis of ଱- hydroxy-ଲ-amino acid and amide derivatives
Methods for the synthesis of ଱-hydroxy-ଲ-amino acid and amide derivatives and ଱-ketoamide derivatives and novel derivatives made by these methods are provided. These methods involve reacting a N-terminally blocked (protected) aminoaldehy...
04/23/2002
6333198Compound and its use
A method of testing the purity or stability to degradation of a sample of lamotrigine or a pharmaceutical dosage form comprising lamotrigine comprises assaying the said sample for the presence of a compound selected from 3-amino-6-(2,3-dichlorophenyl)-1,2...
12/25/2001
6210974Compositions and methods for promoting nerve regeneration
FK506 and geldanamycin promote nerve regeneration by a common mechanism that involves the binding of these compounds to polypeptide components of steroid receptor complexes other than the steroid hormone binding portion of the complex (FKBP52 and hsp90, r...
04/03/2001
6210973Method for automated flourescent tagged sample detecting
An automated DNA sequencing apparatus and method is disclosed in which a laser beam having a predetermined wavelength is sequentially focused on a plurality of lanes of DNA fragments migrating in a polyacrylamide gel and in which the DNA fragments have be...
04/03/2001
6077712Semiconductor chemical sensor
A chemical sensor for detecting a chemical species in a gas comprises a detector element including a porous organic semiconductor comprised of a material on which the chemical species in the gas is adsorbed. The chemical sensor further comprises a power s...
06/20/2000
6074881Method for the prevention of hemoglobin interference in reagent systems for measuring peroxidase activity
The present invention involves an improvement to an assay for the activity of a metal chelate, such as copper II/creatinine, which activity is related to the concentration of the analyte in a fluid test sample. In carrying out the assay, there is combined...
06/13/2000
6008054Method of measuring a ଲ-glucan
For the purpose of improving the accuracy and reproducibility of the measurement of ଲ-glucan by flow injection method using calcofluor, the present invention provides a method in which a gel filtration column having the volume of the interstice outs...
12/28/1999
6004536Lipophilic cyanine dyes with enchanced aqueous solubilty
The present invention relates to a family of cyanine dyes possessing lipophilic alkyl chains and either one or more reactive functional groups, bromo or chloro, or phenyl, sulfophenyl or polysulfophenyl substituents or combinations thereof. The dyes of th...
12/21/1999
5994143Polymeric fluorophores enhanced by moieties providing a hydrophobic and conformationally restrictive microenvironment
Fluorescent conjugates suitable for use in flow cytometry and other biological applications. The fluorescent conjugates comprise an antibody having a polymeric dye bound thereto. The polymeric dye is preferably enhanced by a hydrophobic and conformational...
11/30/1999
5965713Dye labeled protein conjugate its preparing method and sensor using the same
It is intended to present a sensor capable of labeling with more dyes, applying the labeled protein in immunochromatography making use of antigen-antibody reaction, and having an excellent sensitivity. In a buffer, a protein and a first covalent bonding c...
10/12/1999
5872010Microscale fluid handling system
A microscale fluid handling system that permits the efficient transfer of nanoliter to picoliter quantities of a fluid sample from the spatially concentrated environment of a microfabricated chip to "off-chip" analytical or collection devices for further ...
02/16/1999
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