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6514465 |
Apparatus for receiving an object, arrangement for transporting and for receiving and object and method for their operation
A support surface ( 3 ) is bordered on at least two sides by fins while mounted at an opposite corner is a clamping device comprising a slide ( 6 ) which can be drawn back from a starting position...
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6514765 |
Acid test kit and method of use
An acid test kit uses an indicator paper in a transparent tube which is easily and temporarily inserted in a Schrader-valve at a compressor suction inlet of a refrigeration system. The simplicity,...
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6509196 |
Compensation for non-specific signals in quantitative immunoassays
Methods for quantitatively measuring the amount of an analyte of interest in a fluid sample are disclosed. The methods involve providing a membrane having an application point, a detection zone,...
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6503757 |
Analytical system and method
An analytical or preparatory microfluidic system is disclosed which generally comprises a base unit comprising a first adapter interface array; a first adapter plate selected from a set of a...
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6503702 |
Rapid immunoassay for detection of antibodies or antigens incorporating simultaneous sample extraction and immunogenic reaction
The present invention is drawn to an immunoassay capable of the rapid detection of a variety of test substances that may be present in a test sample. One feature of the invention is that extraction...
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6500673 |
Electrostatic device and method for immunological detection
The invention concerns a device and a method for ultrasensitive detection comprising an electrically inert porous sheet sandwiched between two positively charged fine electrodes. The invention uses...
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6501002 |
Disposable surface wipe article having a waste contamination sensor
Disclosed is a disposable surface wipe having a sensor which detects bodily waste contamination on a surface and which provides a signal indicating the presence of such contamination, desirably by...
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6497842 |
Quantitative chromatographic measuring device and method for manufacturing the same
In a chromatographic quantitative assay device and a manufacturing method thereof according to the present invention, as shown in FIG. 1, there are provided a non-moistenable reaction layer...
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6491869 |
Method for preparing assay supports having an ordered set of reaction zones
The abstract discloses a method for preparing supports for the assay of chemical or biological substances, consisting in preparing N different supports, each being homogeneous for a type of...
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6492179 |
Test for rapid evaluation of ischemic states and kit
The present invention relates to a rapid method for the detection of ischemic states and to a kit for use in such a method. Provided for is a rapid method of testing for the existence of and...
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6491870 |
Optically readable strip for analyte detection having on-strip orientation index
A test strip is provided for determining the presence or quantity of an analyte in a liquid by inserting the strip into an optical reading apparatus. The test strip is provided with an orientation...
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6492127 |
Lateral flow testing device with on-board chemical reactant
A lateral flow testing device is provided for testing a biological fluid for the presence of methamphetamines. The device includes a substrate element such as a nitrocellulose strip, including an...
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6488896 |
Microfluidic analysis cartridge
A device for analyzing sample solutions such as whole blood based on coagulation and agglutination which requires no external power source or moving parts to perform the analysis. Single disposable...
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6488890 |
Machine readable sterilization indicator for monitoring articles to be sterilized
A sterilization indicator having sterilizing agent sensitive indicia is described. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish...
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6489172 |
Saliva sampling device
A saliva sampling device includes an expresser cup, an absorbent foam swab capable of absorbing a fluid specimen, and a flexible tether affixed to the foam swab. The foam swab is used to collect a...
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6489132 |
Methods and apparatus for determining specific analytes in foods and other complex matrices
Methods and apparatus for qualitatively or quantitatively determining one or more analytes in matrices such as foods, biological fluids, etc. An embodiment for determination of a single analyte...
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6488891 |
Optical sensor and method of operation
A multiple single use optical sensor includes a series of continuous sensor stripes deposited on a substrate web. At least one sample chamber is adapted to extend transversely across a discrete...
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6488894 |
Device for sequential discharge of flowable reagents
The invention relates to a device in which at least two liquid or semi-liquid reagents can be stored separately. When used, the inventive device enables precise, chronologically defined, sequential...
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6485918 |
Method and apparatus for incubation of a liquid reagent and target spots on a microarray substrate
A method and apparatus for incubating a liquid reagent with target spots on a microarray substrate. A deformable cover is placed over the surface of the microarray substrate having the target spots...
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6485979 |
Electronic system for tracking and monitoring articles to be sterilized and associated method
A electronic system for tracking and monitoring articles to be subjected to a sterilization cycle is disclosed. The method uses a sterilization indicator and electronically links sterilization...
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6485978 |
Method of using a chemical indicator
A sterilization indicator having sterilizing agent sensitive indicia is described. The indicator allows a sterilization cycle to be monitored without the need for a user to subjectively distinguish...
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6479015 |
Apparatus for monitoring a level of a chemical species in a body fluid
An apparatus for monitoring a level of a chemical species in a body fluid includes a fluid collection layer adapted for receiving the body fluid. The fluid collection layer is dry prior to being...
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6479016 |
Dual bar code for food contamination detection
A dual bar code for detecting food contamination. When no contamination is present a first bar code identifies the food product. When contamination is present a second bar code identifies the...
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6475436 |
Method and device for removing consumable analytic products from a storage container
A method and a device for removing an analytic consumable product, in particular a test element, from a storage container having chambers which are sealed by foils from which the consumable product...
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6475805 |
Method for detection of an analyte
A test device, system and method, the device composed of an elongated, toothbrush-shaped, transparent, plastic housing and a lateral-flow test strip for the detection of an analyte, such as a...
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6472214 |
Freeze monitoring device
A device composed of (1) a color changing indicator, (2) an optional polymeric binder, preferably having gel forming capability, and (3) an activator solvent system which induces a color change in...
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6468807 |
Mixing method
The invention relates to a method for carrying out mixing in a thin liquid layer, which is arranged between essentially parallel walls at a capillary distance from each other. The mixing is carried...
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6464939 |
Saliva testing and confirmation device
A saliva testing and confirmation device generally includes an expresser cup adapted to receive and compress a foam collection swab capable of absorbing a fluid specimen such as saliva. The device...
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6463649 |
Method of manufacturing disposable reaction module
A disposal reaction module for providing a small amount of test agent to mix with a reaction agent for testing use. The module include a reaction chamber fluidly communicating with at least one...
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6461873 |
Caffeine detector
The caffeine detector uses a paper chromatographic technique to measure the concentration of caffeine in a beverage. The device includes a well or other receptacle for containing a predetermined...
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6455272 |
Testing for bacterial sterilizing effectiveness, and test indicator manufacture and use
Multiple early-load-release evaluations of sterilizing effectiveness for both “dry” and “wet” sterilizer loads, are made available by selective spectroscopic quantitative measurements of...
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6455001 |
Functional layers of high precision, process for their production and test strips containing these functional layers
A skeleton-free functional layer of high precision which contains a wetting agent of formula I, II and/or III R 1 —CO—N(R 2 )—CH 2 —COOMe (I) R 1 —CO—N(R 2 )—CH 2 —CH 2 —SO 3 Me...
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6451610 |
Method and apparatus for coagulation based assays
An activated partial thromboplastin time (APTT) test is described which employs fresh, whole blood that has not been anticoagulated. The method employs a disposable cuvette having specific reagents...
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6451619 |
Monitoring methods and devices for use therein
Methods, devices and test kits for monitoring the ovulation cycle, involve testing the body fluid, e.g. urinary, concentration of one or more analytes. Preferably estrone-3-glucuronide and...
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6448088 |
Method and apparatus for detecting insoluable constituents in a quiescent urine sample
A urine sample is analyzed for urine chemistry, formed bodies, and rare event evidence, all in a single sample container and under low power magnification. The sample container includes a urine...
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6444474 |
Microfluidic system for measurement of total organic carbon
This invention provides devices for the measurement of total organic carbon content in water samples. The device has a microfluidic sample cell with a sample channel for receiving a water sample...
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6444473 |
Atmospheric ozone concentration detector
An ozone detector in the form of two basic embodiments which can measure ozone concentration in ambient air at 0.001-1 ppm. The first embodiment includes a stretched elastic material and a standard...
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6441898 |
Test strip and measurement device for its evaluation
In a test strip for the optical determination of the concentration of a substance in a liquid, especially for blood sugar determination, including a strip-shaped carrier with a reaction field,...
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6440748 |
Process and device for carrying out fluorescence immunoassays
The invention concerns a device and a method for carrying out fluorescence immunoassays, wherein from at least one light source light is directed onto a surface at one end of a light waveguide and...
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6436722 |
Device and method for integrated diagnostics with multiple independent flow paths
Invention performs an assay to determine presence or quantity of specific analyte in fluid sample. Representative device has two separate flow paths established sequentially in device with a single...
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6436311 |
Sampling material for a carbonyl compound in a gas
A sampling material for a carbonyl compound in a gas comprising a reagent capable of converting a carbonyl compound to a derivative thereof supported on a cation exchanger; and a sampling cartridge...
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6436714 |
Self-contained system and method for testing for fecal occult blood
Self-contained systems test for the presence of occult blood in a specimen. In one embodiment, the system has a test matrix comprising a testing portion spaced apart from a medium entrance portion,...
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6432358 |
Diagnostic assay device
A diagnostic device adapted to retain a fluid sample to be analyzed until it is desired to initiate the analytical test is described. The device includes a deformable material layer, a well for...
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6416714 |
Remotely programmable matrices with memories
Combinations, called matrices with memories, of matrix materials with remotely addressable or remotely programmable recording devices that contain at least one data storage unit are provided. The...
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6413784 |
Multi-sectioned fluid delivery devices for detecting target molecules by immunoassay
Multi-sectioned fluid delivery devices with sensor membranes for use in detection of target molecules in gas or liquid samples are provided.
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6413782 |
Methods of manufacturing high-throughput screening systems
Microfluidic devices for analyzing a plurality of compounds are manufactured for performing high throughput screening assays. The methods are used to manufacture devices that screen large numbers...
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6410338 |
Method of indicating an oxidizing agent
A chemical indicator of an aurin moiety in a substrate to detect the presence of an oxidizing agent.
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6409909 |
Modular sensor system for the industrial process measurement technique
A modular, in particular multidimensional system for the reagent-free, continuous detection of a substance is disclosed. The system is characterized by the presence of at least two measurements...
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6410341 |
Analytical test device and method for use in medical diagnoses
An analytical test device is described for the immunochromatographic determination of the presence of one or more analytes in fluid samples. The device is configured such that the sample is allowed...
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6406922 |
Device for the testing of body fluid samples
A drug of abuse test kit for testing low volumes of a fluid sample having a transparent flat bag container for retaining a fluid sample to be tested and the open end of the container has a...
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