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7615381 Method and apparatus for detecting estradiol and metabolites thereof using an acoustic device  
Methods for detecting estradiol and metabolites thereof in a sample are provided. A plurality of particles, each of which is coated with a capture agent having an affinity for estradiol, is...
7611908 Method and apparatus for therapeutic drug monitoring using an acoustic device  
Methods for therapeutic drug monitoring are provided. A plurality of particles, each of which is coated with a capture agent capable of binding a therapeutic drug of choice is combined with the...
7611907 Nano-sized optical fluorescence labels and uses thereof  
A composition is disclosed which is capable of being used for detection, comprising an encapsulated noble metal nanocluster. Methods for preparing the encapsulated noble metal nanoclusters, and...
7611905 Apparatus and method of assay in utilizing attenuated total reflection  
A surface plasmon resonance (SPR) assay apparatus has an assay stage, which is loadable with a sensor unit. The sensor unit has a prism, thin film, flow cell and flow channel for flow of sample. A...
7611849 Enhanced cellular assay method for use in flow cytometry or similar instruments using optically resonant particles  
This invention relates to the field of biological assays where cells can be classified and enumerated using flow cytometry optical instrumentation. The invention combines information from...
7604956 Supersensitive immunoassays  
An assay exhibiting improved sensitivity for achieving a factor of ten times (10×) better sensitivity than current sensitivity levels achieved by prior-art immunoassays, as exemplified by ELISA....
7598092 Methods, devices, systems and computer program products for stochastic, competitive, force-based analyte detection  
A cantilever array can be positioned adjacent a surface in the presence of a sample. The cantilever array includes a plurality of cantilevers having one member of a specific binding pair thereon....
7579184 Methods to increase dynamic range and improve quantitative analysis in rapid biosensors  
Conductimetric assay devices that have both low end and high end sensitivity are described. The geometric shape and/or arrangement of the capture zones make it possible for the assay devices to...
7572643 Nanoparticle composite-coated glass microspheres for use in bioassays  
A microsphere for use in a bioassay comprising a glass core coated with a nanoparticle composite comprising a bioactive probe is provided. The nanoparticle composite coating enhances the density of...
7569396 Caffeine detection using internally referenced competitive assays  
Methods, compositions, and apparatus for detecting the presence of caffeine in a liquid sample are provided. In certain embodiments, an internally referenced competitive assay allows a very precise...
7563624 Measurement method using biosensor  
It is an object of the present invention to provide a method for carrying out on a same biosensor both of the measurement of the amount of a physiologically active substance immobilized on a...
7563623 Biosensor  
It is an object of the present invention to provide a biosensor on which a large amount of protein can be immobilized and nonspecific adsorption is less likely to occur with the use of a SAM...
7553676 Specific coupling reaction measuring method  
A specific coupling reaction measuring method of this invention for measuring a content of a subject substance in a sample includes the steps of (a) constructing a reaction system including the...
7534624 Method and apparatus for assay in utilizing attenuated total reflection, and sample immobilizing device  
A sensor unit for assay in utilizing surface plasmon resonance (SPR) includes a dielectric prism. Metal film has a light entrance surface fitted on the prism, and a sensing surface reverse to the...
7534578 Self-referencing biodetection method and patterned bioassays  
The invention relates to compositions and methods for detecting biomolecular interactions. The detection can occur without the use of labels and can be done in a high-throughput manner. The...
7524630 Functionalized nanoparticles and methods of use  
Silica-coated nanoparticles functionalized with biologically active molecules such as antibodies and nucleotides are used to label cells, to detect and isolate nucleic acid molecules having...
7524625 Real time binding analysis of antigens on a biosensor surface  
The invention provides methods for detecting interactions between phage and antigen or antigen and antibody using biosensors.
7517700 Core-shell particles  
Colloidal metal particles having a coating comprising non cross-linked, SH-activated dextran or aminodextran. Biomolecules may be linked directly or indirectly to the particles, which are useful as...
7513983 Insulator electrode devices  
Methods and insulator electrode devices for performing electrochemical reactions are disclosed. The devices consist of high specific surface area electrodes based on a channeled conducting base...
7510882 Method and biosensor for analysis  
In a method for analysis biomolecules ( 3 ) attached to a solid surface of a substrate ( 1 ) are used for detecting the presence of analytes ( 4 ) in a sample by binding of the analytes to the...
7510881 Method and kit for the quantitative and/or qualitative detection of components in a sample  
A method and kit for quantitatively and/or qualitatively detecting one or more components in samples, including the use of metal-particle labelled reagents and an antibody conjugate are disclosed....
7507588 Multiplex microparticle system  
Arrays of microparticle populations, each population labeled with a single fluorescent dye, are provided for use in multiplex assays. The populations form a virtual multidimensional array wherein...
7507550 Analytical sandwich test for determining NT-proBNP  
The present invention concerns an immunological test for determining NT-proBNP comprising at least two antibodies to NT-proBNP, wherein at least one of the antibodies to NT-proBNP is a monoclonal...
7498177 Quantum dots and their uses  
Quantum dots having ligands that comprise tiopronin capping groups are disclosed, along with a method for their preparation. The biocompatibility of these quantum dots is also demonstrated. The...
7498145 Concentration measuring method, concentration measuring kit, and sensor chip for use in the method  
The method for measuring the concentration of the measuring object uses a sensor chip comprising an optical waveguide layer and an antibody immobilized layer formed on the surface of the optical...
7494782 Assay for measuring factor viia-antithrombin complexes  
A method for determining the concentration of factor VIIa-antithrombin complexes is disclosed which has application to estimating the level of intravascular exposure of tissue factor, assessing...
7488607 Electronically readable microarray with electronic addressing function  
Methods and apparatus for electronically addressing and interrogating microarrays are disclosed. The described microarrays include a plurality of features disposed on a substrate. Each of the...
7485855 On-probe sample cleanup system and method for MALDI analysis  
A system and method for cleanup of biological samples from contaminants prior to spectroscopy analysis. The system includes a support configured to hold a sample including a liquid having at least...
7485471 Detection of enhanced multiplex signals by surface enhanced Raman spectroscopy  
Various methods of using Raman-active or SERS-active probe constructs to detect analytes in biological samples, such as the nucleic acid and/or protein-containing analytes in a body fluid are...
7470550 Method of evaluating cell activity  
The invention provides a method for evaluating the physiological activity of an external stimulus on living cells by means of a surface plasma resonance analyzer, which comprises evaluating the...
7470549 Measurement method using biosensor  
It is an object of the present invention to provide a method for simultaneously carrying out the detection or measurement of a substance interacting with a physiologically active substance...
7465588 Apparatus and method of assay in utilizing attenuated total reflection  
An assay apparatus is loaded with a sensor unit as surface plasmon resonance (SPR) biosensor, which includes a transparent dielectric medium and thin film. A first surface of the thin film is a...
7462496 Plasmon-enhanced marking of fragile materials and other applications thereof  
The methods and applications of a surface plasmon resonance-enhanced marking technique are disclosed. The technique uses surface plasmon resonance (SPR) excited nanoparticles and a surface plasmon...
7449343 Method for measuring surface plasmon resonance  
It is an object of the present invention to provide a measurement method which can suppress noise when a specific binding reaction between a physiologically active substance and a test substance is...
7442498 Method of examining specimen and specimen container to be used in the examination method  
A method of immunologically examining a specimen which comprises attaching a cap having a filter impregnated with a labeled antibody enclosed therein to a container body containing a diluted liquid...
7439078 Method for measuring dissociation rate coefficient by surface plasmon resonance analysis  
An object of the present invention is to provide a method for measuring the dissociation rate coefficient (Kd) by surface plasmon resonance analysis without measuring the theoretical maximum amount...
7435384 Diagnostic instrument with movable electrode mounting member and methods for detecting analytes  
An instrument (A) detects in a sample the presence of an analyte. The sample includes electrically readable particles ( 126 ) with an agent attached thereto that binds with the analyte or is an...
7429492 Multiwell plates with integrated biosensors and membranes  
The invention provides compositions and methods of detecting binding of molecules to a biosensor. Compositions of the invention comprise a multiwell plate with an integrated biosensor and a membrane.
7427512 Light-controlled electrokinetic assembly of particles near surfaces  
A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution....
7425454 Biosensor  
It is an object of the present invention to provide a detection surface used for biosensors, in which non-specific adsorption is suppressed and the generation of pinholes is also suppressed. The...
7413911 Method for measuring reaction rate coefficient by surface plasmon resonance analysis  
An object of the present invention is to provide a method for measuring a rate coefficient by surface plasmon resonance analysis with excellent accuracy, reliability, and cost performance that can...
7413607 Templated semiconductor particles and methods of making  
Composite particles of a semiconductor particle such as a metal chalcogenide within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and...
7410811 Analytical method and device utilizing magnetic materials  
The present invention relates to an analytical method and device utilizing magnetic materials and acoustics sensor. The invention employs a magnetic material modified with specific recognizable...
7410808 Method and assay for detection of residues  
Embodiments described herein include methods and assays for detecting an analyte in a sample using a plurality of control zone capture agents. Some embodiments include detection of multiple...
7407817 Surface plasmon resonance sensors and method for detecting samples using the same  
Disclosed is an optical sensing device including a source unit providing a beam of light with continuously modulated phase retardation between p- and s-polarization components of the light by...
7405054 Signal amplification method for surface plasmon resonance-based chemical detection  
The present invention provides methods and compositions for amplifying the detection signal in surface plasmon resonance (SPR)-based flow systems. The signal amplification methods comprise the use...
7404928 Thiol terminated monodisperse ethylene oxide oligomer capped gold nanoclusters  
A thiol terminated ethylene oxide oligomer and the method of substituting the oligomer onto a gold nanocluster surface using a thiol-exchange reaction to form a charge-neutral, non-ionizable, water...
7402381 Method of immobilizing molecules onto a solid phase substrate and method of fabricating a biosensor using the method  
Aspects of the invention can provide a method capable of easily realizing immobilization with the optimum density derived from a concentration control and without phase separation in coadsorption...
7396676 Evanescent wave sensor with attached ligand  
The invention in particular embodiments provides an evanescent wave sensor which includes a ligand bound to a sensor substrate via a NCYX linker moiety, as defined herein. Methods of making the...
7396675 Kit and method for determining a plurality of analytes  
The invention is related to different embodiments of a kit for the simultaneous qualitative and/or quantitative determination of a multitude of analytes comprising a sensor platform...