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Class 436/164 - OPTICAL RESULT


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Subject matter wherein the basis for analysis is an optical
No. of patents: 2178
Last issue date: 01/24/2012


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NumberTitleIssue Date
8101424Bioassays using plasmonic scattering from noble metal nanostructures
The present invention relates to detecting and/or measuring scattering effects due to the aggregating metallic nanostructures or the interaction of plasmonic emissions from approaching metallic nanoparticles. The scattering effects may be measured at different angle...
01/24/2012
8101423Label-free high-throughput optical technique for detecting biomolecular interactions
Methods and compositions are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also provides optical devices useful as narrow band filters. ...
01/24/2012
8097465Sensor with holographic multiplexed image display
A holographic sensor comprising a thin film polymer matrix that undergoes a change in response to a substance to be sensed, the matrix containing within its volume a set of two or more holographic recordings, each recording providing a holographic image when the sen...
01/17/2012
8097466Optical reagent format for small sample volumes
An optical waveguiding optical format enables consistent optical analysis of small sample volumes with minimal variation in light path length among optical formats. The optical format is comprised of an input guide, an output guide, and a sample cavity adapted to al...
01/17/2012
8084266Method and apparatus for separating isomers of chiral substance
In order to realize a method and an apparatus, each of which requires no contact treatment and no chemical reaction, for separating isomers of a chiral substance by irradiating a chiral substance with light such as circularly polarized light, so as to separate isome...
12/27/2011
8076155Wide range kinetic determination of peracid and/or peroxide concentrations
A use composition monitor determines the concentration of peracid and/or peroxide in a use composition using a kinetic assay procedure. A sample mixture containing a sample of the use composition, a diluent and at least one reagent is prepared and analyzed using, fo...
12/13/2011
8076154Method of calibration for nonlinear optical sensor
A use composition monitor determines the concentration of peracid and/or peroxide in a use composition using a kinetic assay procedure. A sample mixture containing a sample of the use composition, a diluent and at least one reagent is prepared and analyzed using, fo...
12/13/2011
8071048Test element with nanofibers
The invention concerns test elements, in particular diagnostic test elements, for determining the presence or concentration of biological, medical or biologically or medically effective substances including nucleic acids, proteins, viruses, microorganisms and cells,...
12/06/2011
8071390Temperature stabilized optical cell and method
A use composition monitor determines the concentration of peracid and/or peroxide in a use composition using a kinetic assay procedure. A sample mixture containing a sample of the use composition, a diluent and at least one reagent is prepared and analyzed using, fo...
12/06/2011
8067244Method and device for investigation of a surface layer
A method and device for investigation of a surface layer of a material. The material without surface layer is exposed for a gas and the penetration of the gas into the material is measured. Then the surface layer is applied to the material. Finally, the material inc...
11/29/2011
8062900Optically readable microplate
A microplate for use within an interrogation system and a method of using the microplate are disclosed. The microplate contains within the bottom of each well, an optical waveguide grating based sensor. Approximate to each sensor is a mask having an aperture of pred...
11/22/2011
8043860Vapochromic coordination polymers for use in analyte detection
This application relates to vaprochromic coordination polymers useful for analyte detection. The vapochromism may be observed by visible color changes, changes in luminescence, and/or spectroscopic changes in the infrared (IR) signature. One or more of the above chr...
10/25/2011
8034625Animal cell colony picking apparatus and method
An apparatus and method for automated picking of animal cell colonies is described. A picking head comprising a plurality of hollow pins is provided. The apparatus has an integrated imager for capturing an image of adherent or non-adherent animal cell colonies held ...
10/11/2011
8030088Sample collection apparatus
A sample collection apparatus which measures biological samples and can be used to provide the early detection of respiratory diseases, for example tuberculosis induced by the pathogen mycobacterium tuberculosis. The sample collection apparatus has a sample c...
10/04/2011
8025850Rapid diagnostic device, assay and multifunctional buffer
An improved rapid diagnostic device, assay and multifunctional buffer reagent are provided for the detection of a target analyte in a fluid test sample. The 2-step assay utilizes a dual component flow-through device comprising a test unit and a dried indicator reage...
09/27/2011
8017406Method for surface plasmon amplification by stimulated emission of radiation (SPASER)
A nanostructure is used to generate a highly localized nanoscale optical field. The field is excited using surface plasmon amplification by stimulated emission of radiation (SPASER). The SPASER radiation consists of surface plasmons that undergo stimulated emission,...
09/13/2011
8017407Device and method for monitoring blood parameters
A device and method measuring at least one parameter related to the blood of a subject, by emitting light with at least one emitter at least one wavelength within the spectral range of 380 980 nm toward a body part containing at least one wavelength. Spatially resol...
09/13/2011
8008090Vapochromic coordination polymers for use in analyte detection
This application relates to vaprochromic coordination polymers useful for analyte detection. The vapochromism may be observed by visible color changes, changes in luminescence, and/or spectroscopic changes in the infrared (IR) signature. One or more of the above chr...
08/30/2011
8003402Method for measuring the concentration of a glycosaminoglycan anticoagulant
The invention provides an accurate, economical, automatable, high throughput method for the determination of the concentration of glycosaminoglycan anticoagulants, including low molecular weight heparin (LMWH) anticoagulants, in aqueous solutions. A method for clean...
08/23/2011
7998747Quantitative dual-dye photometric method for determining dilution impact
The invention provides ways to determine the impact of diluting a solution wherein the diluting may be carried out for any of a variety of purposes. In one embodiment, the method enables accurate volume dispensation calculations independent of meniscus shape. In ano...
08/16/2011
7989213Surface enhanced resonance raman scattering spectroscopy (SERRS) nanoparticle probes and methods of use
Disclosed are Surface Enhanced Resonance Raman Spectroscopy (SERRS) probes and their use in detection methods for bioassays. Further disclosed is signal optimization of surface enhanced resonance Raman probes achieved by chemical modification of the probes. Also dis...
08/02/2011
7981689Absorption spectrometric analysis microchip and method
An absorption spectrometric analysis microchip with a chamber for holding a sample, a chamber for holding a reagent which reacts with this sample, a mixing chamber for mixing the reagent with the sample with the formation of a mixture and a sensing part with a sensi...
07/19/2011
7977115Method for determining composition balance of cooled brine
A method of determining whether a brine composition for freezing an item is in a desired balance. The method includes: adding an effective amount of dye into the brine composition, cooling the dye composition to a pre-determined temperature, and comparing the color ...
07/12/2011
7977116Analysis method and analysis apparatus
Provided are an analysis method and an analysis apparatus that can perform analysis of a substance and information obtainment with relatively high accuracy and reproducibility without previously allowing a carrier to carry a reagent for a color reaction. In the anal...
07/12/2011
7968347Photo-acoustic detection device and method
An example method for detecting an analyte in a sample of a bodily fluid comprises the steps of exposing the bodily fluid sample to electromagnetic energy to cause a thermoelastic expansion in the analyte, and detecting a photoacoustic signal in the sample that resu...
06/28/2011
7964412Optical reagent format for small sample volumes
An optical waveguiding optical format enables consistent optical analysis of small sample volumes with minimal variation in light path length among optical formats. The optical format is comprised of an input guide, an output guide, and a sample cavity adapted to al...
06/21/2011
7955858Quantum dot-based environmental indicators
A detection method and indicator are disclosed that includes quantum dots that fluoresce under illumination of a first light having a first wavelength to indicate the presence of a predetermined condition, and in particular, a corrosion condition. The quantum dots a...
06/07/2011
7947510Methods and devices for detecting nucleic acid hybridization
The present invention provides novel methods and devices for detecting hybridization of nucleic acids using liquid crystals and cationic surfactants. ...
05/24/2011
7947509Optoelectronic detection system
The invention relates to optoelectronic systems for detecting one or more target particles. The system includes a reaction chamber, a specimen collector, an optical detector, and a reservoir containing cells, each of the cells having receptors which are present on t...
05/24/2011
7939339Arrangement for fluorescence amplification
The invention relates to an arrangement for fluorescence amplification including a substrate, a fluorescence amplifier coating applied to the substrate, and a thin fluorescencable material which lies on the coating and emits light with the emission wavelength λ
05/10/2011
7932095Sample holding substrate for use with an infrared spectrophotometer or filtometer and methods of manufacture and use thereof
A sample card for use in a spectroscopic analytical instrument. The card is preferably disposable and includes an aperture through the card in which there is positioned a sample supporting window on which a sample is adapted to be placed. The sample supporting windo...
04/26/2011
7923260Method of reading encoded particles
Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected...
04/12/2011
7919327Quantitative dual-dye photometric method for determining dilution impact
The invention provides ways to determine the impact of diluting a solution wherein the diluting may be carried out for any of a variety of purposes. In one embodiment, the method enables accurate volume dispensation calculations independent of meniscus shape. In ano...
04/05/2011
7910375Test system for analyzing body fluids
The invention relates to a test system for analyzing body fluids of the type comprising a test element tape carrying a plurality of test elements, a tape deflector for the test element tape for the selective application of body fluid, and a light source as well as a...
03/22/2011
7901945Image and part recognition technology
A system and method for recognition of images may include the use of alignment markers. The image recognized may be a pattern from an array, a character, a number, a shape, and/or irregular shapes. The pattern may be formed by elements in an array such as an identif...
03/08/2011
7897406Method and sensor for detecting a chemical substance using an optically anisotropic material
A method and sensor for detecting a chemical substance in an analyte. An anisotropic material is subjected to the analyte. Light is passed through the anisotropic material and collected. A change of an optical anisotropy of the collected light is detected, the chang...
03/01/2011
7888128Method for determining surfactant concentration in aqueous solutions
The present method provides a single-phase technique in which an ionic strength adjuster and a water insoluble dye are added to a sample of an aqueous solution containing an unknown quantity of a known surfactant. Even at surfactant concentrations well below the cri...
02/15/2011
7863052Grating-based sensor combining label-free binding detection and fluorescence amplification and readout system for sensor
A grating-based sensor is disclosed that has a grating structure constructed and designed for both evanescent resonance (ER) fluorescence detection and label-free detection applications. Some embodiments are disclosed which are optimized for ER detection in an air m...
01/04/2011
7863051Detecting element and detection method
A detection method for detecting a plurality of different substances contained in a specimen using a label, includes sequentially the steps of flowing the specimen through a detecting element having a first substance trapping portion immobilizing a first substance t...
01/04/2011
7858382Sensing apparatus having rotating optical assembly
An apparatus for optical sensing of samples includes an optical source, an optical assembly being rotatable about an axis, a sample holder, and a detector. The optical assembly rotates, allowing the sensing apparatus to sense results from plural locations on a sampl...
12/28/2010
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