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Class 356/409 - Fluid color transmission examination


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter wherein a fluid substance, a solute in a
No. of patents: 100
Last issue date: 08/24/2010


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NumberTitleIssue Date
7782460Laser diode array downhole spectrometer
Apparatus and method for downhole formation testing using a spectrometer includes a carrier conveyable into a well borehole that traverses a subterranean formation of interest, a plurality of semiconductor light sources disposed on the carrier, a fluid sample cell t...
08/24/2010
7373259Method and apparatus for performing chemical reactions in a plurality of samples
A method and apparatus for simultaneously performing chemical reactions and determining molecular transport dynamics on a plurality of samples such as thin film samples. The apparatus of the present invention is capable of containing multiple samples in individual s...
05/13/2008
7371562Guided mode resonant filter biosensor using a linear grating surface structure
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. ...
05/13/2008
7365849Portable, scanning and analyzing apparatus
A portable, scanning and analyzing apparatus that uses an integrated scan probe for the scanning operation is described. The integrated scanning probe is formed with a light emitting diode array light source and a photodiode detector array. After a test sample finis...
04/29/2008
7355697Flow-through, thermal-expansion-compensated cell for light spectroscopy
Optical cells are non-actively compensated to ensure that a sample gap of a sample space remains nearly constant upon a change in temperature. Fluids can be flowed through the sample space of the optical cells. ...
04/08/2008
7339668Spectrometer for analysis of multiple samples
A spectrometer (100) includes a light source (102) providing output light (106) to the bundled input ends (108) of multiple light pipes (110). The light pipes (110) branch into sets (118) between their input ends (...
03/04/2008
7336362Arsenic meter
A field test-kit for analyzing arsenic concentration in water samples is provided. The kit includes a portable infrared beam photometer for measuring light absorbance in aqueous specimens. An infrared light emitting diode is configured to direct a beam of light thro...
02/26/2008
7327454Method and apparatus for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light...
02/05/2008
7312090Label-free methods for performing assays using a colorimetric resonant reflectance optical biosensor
Methods 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 relates to optical devices. ...
12/25/2007
7301628Method and apparatus for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light...
11/27/2007
7300803Label-free methods for performing assays using a colorimetric resonant reflectance optical biosensor
Methods 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 relates to optical devices. ...
11/27/2007
7292336Method and instrument for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An instrument system for detecting a biochemical interaction on a biosensor. The system includes an array of...
11/06/2007
7268352Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument
The invention relates to an apparatus and a method for improved correction of drift in an infrared measuring instrument. The measurement signal furnished by a thermal detector is split into a direct voltage component and an alternating voltage component. By means of...
09/11/2007
7264973Label-free methods for performing assays using a colorimetric resonant optical biosensor
The instant invention provides compositions and methods for determining cell interactions that are faster than conventional methods and that require the use of fewer reagents than conventional methods. ...
09/04/2007
7251903Method for spacing guides on fishing rods and chart for spacing same
A chart for locating guides on a fishing rod comprising a plurality of side by side lanes each having a vertical portion and in a predetermined plane and arcuate lane portions of different radii and curved through an arc of about ninety degrees (90°) from said pred...
08/07/2007
7240839Color measurement apparatus operable as a pointing device, a computer display measurement device and a printer output measurement device
A color measurement apparatus is adapted as an attachment for a personal computing system. An interface integral to the color measurement apparatus couples the color measurement apparatus to the personal computing system. A computer pointing device integral to the c...
07/10/2007
7224454Apparatus and process for analyzing a stream of fluid
An analyzing probe for insertion into numerous different environments to determine at least one characteristic of particulate matter suspended in a fluid stream of a test sample. Preferably, the analyzing probe includes a minimal amount of optical elements such as l...
05/29/2007
7217574Method and apparatus for biosensor spectral shift detection
Performing high-resolution determination of the relative shift of the spectral properties of a biosensor. The shift in the resonance peak of the biosensor is indicative of the amount of material bound to the surface of the biosensor. A preferred biosensor is a Guide...
05/15/2007
7217121Method and apparatus for improved process control in combustion applications
This invention relates to a method and apparatus for improved process control in combustion applications, and particularly those relating to the steelmaking industry. An apparatus is provided for process control in a combustion application comprising a laser to tran...
05/15/2007
7204034Method for spacing guides on fishing rods and chart for spacing same
A chart for locating guides on a fishing rod comprising a plurality of side by side lanes each having a vertical portion and in a predetermined plane and arcuate lane portions of different radii and curved through an arc of about ninety degrees (90°) from said pred...
04/17/2007
7202076Label-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. ...
04/10/2007
7175980Method of making a plastic colorimetric resonant biosensor device with liquid handling capabilities
Methods of producing liquid handling biosensor devices are provided. The liquid handling biosensor devices allow detection of biomolecular interactions in liquid. The use of labels is not required and the methods can be performed in a high-throughput manner. ...
02/13/2007
7173239Method and apparatus for downhole quantification of methane using near infrared spectroscopy
The present invention describes a unique method and apparatus for applying near-infrared spectroscopy to estimate weight percent of methane in crude oil from which one can then infer gas-oil ratio (GOR) of crude oils downhole in real time while collecting a fluid sa...
02/06/2007
7170599Method and instrument for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An instrument system for detecting a biochemical interaction on a biosensor. The system includes an array of...
01/30/2007
7158230Method and apparatus for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light...
01/02/2007
7153702Label-free methods for performing assays using a colorimetric resonant reflectance optical biosensor
Methods 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 relates to optical devices. ...
12/26/2006
7148964Method and apparatus for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light...
12/12/2006
7142296Method and apparatus for detecting biomolecular interactions
Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light...
11/28/2006
7130050Device of verifying and reading color, and a process of verifying and reading color in liquids
A device for verifying and reading color, particularly used in reading the color of a liquid, the device comprising: a) a guide tube (10); and (b) at least one pair of liquid detection sensors (20), associated to the guide tube (10), the device ...
10/31/2006
7122338Method for quantification of biological material in a sample
Methods for the detection and/or quantification of a biological material in a sample. The method includes the steps of liquefying the sample (if necessary) and pouring the liquefied sample into the incubation vessel. The incubation vessel has a generally flat horizo...
10/17/2006
7118710Label-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. ...
10/10/2006
7104182Contractile unit having a position sensor means
A contractile unit comprising a contractile hose extending between two spaced head pieces and adapted to perform a longitudinal contraction on being subjected to internal pressure, and a position sensor means responsive to the distance between the head pieces. The p...
09/12/2006
7101660Method for producing a colorimetric resonant reflection biosensor on rigid surfaces
The invention provides a methods for fabricating colorimetric resonant reflection biosensors. ...
09/05/2006
7094595Label-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. ...
08/22/2006
7089812Transfer of a sample from a solid support into a liquid
An apparatus (10) and a method for concentrating and transferring volatile compounds contained in a sample on a detachable solid support (12) into a liquid for subsequent detection and/or analysis of the volatile compounds, are described. The apparatus...
08/15/2006
7070987Guided mode resonant filter biosensor using a linear grating surface structure
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. ...
07/04/2006
7064833Double path microdrop optical biometric system
A double path microdrop optical biometric system comprises a micro container, a corner cube array, a collimator, a beam splitting device, a light source selector, a detector and a signal comparator unit. It utilizes the beam to penetrate a specimen with specific col...
06/20/2006
7033821Device for monitoring cell motility in real-time
The invention relates to devices, devices for arraying biomolecules, including cells, methods for arraying biomolecules, assays for monitoring cellular movement, and systems for monitoring cellular movement. The devices include a support; a first layer configured to...
04/25/2006
7033819System for monitoring cell motility in real-time
The invention relates to devices, devices for arraying biomolecules, including cells, methods for arraying biomolecules, assays for monitoring cellular movement, and systems for monitoring cellular movement. The devices include a support; a first layer configured to...
04/25/2006
7030985Colored transparent or translucent cosmetic composition
The invention relates to a transparent or translucent colored cosmetic composition for making up the skin, lips and superficial body growths comprising a transparent or translucent cosmetic base and at least one coloring agent in an amount such that the transmission...
04/18/2006
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