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Patent No. 5500234

Crispy Chip Sandwich and Process of Producing a Sandwich Product

A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.

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Class 436/805 - OPTICAL PROPERTY


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Art collection of patents related to the optical examination
No. of patents: 1111
Last issue date: 10/21/2008


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NumberTitleIssue Date
6060237Devices and methods for optical detection of nucleic acid hybridization
An optical device for determining the presence of a first nucleic acid in a sample comprising a second nucleic acid complementary to the first nucleic acid and able to hybridize with the first nucleic acid under hybridizing conditions, the second nucleic ...
05/09/2000
6051388Method and apparatus for selective biological material detection
The present invention relates to bioassay materials useful for the detection of toxic substances and, more particularly, to packaging materials for food and other products, along with methods for their manufacture and use. The invention provides a unique ...
04/18/2000
6048735Sensor laminates and multi-sectioned fluid delivery devices for detecting by immunoassay target molecules in biological fluids
Sensor laminates for detection by immunoassay of target molecules in biological fluids wherein the sensor laminates contain a reactive substrate layer having a polymeric material treated to enhance binding to a ligand and methods of producing and using th...
04/11/2000
6046058Color-coded test strip
A test device which includes a housing having an immunochromatographic test strip therein is disclosed. The test strip is color-coded so that the presence or absence of a substance or substances in a fluid sample may be detected and identified. The strip ...
04/04/2000
6046057Analyte assaying device
The invention is an improved single-step test device for detecting the presence of a pre-selected analyte in a urine stream. The device includes a hollow rectangular outer casing and an assay material disposed within co-joined upper and lower sections of ...
04/04/2000
6046056High throughput screening assay systems in microscale fluidic devices
The present invention provides novel microfluidic devices and methods that are useful for performing high-throughput screening assays. In particular, the devices and methods of the invention are useful in screening large numbers of different compounds for...
04/04/2000
6046008Immunologically based strip test utilizing ionophore membranes
A testing apparatus 10 having an absorbent matrix 12, including a membrane 14 which contains a plurality of counter-ions 16. Chromoionophore (or fluorionophore)s 18 and affinophores 22 compete to carry ions into the membrane 14 and neutralize the charge o...
04/04/2000
6040195Diagnostic sanitary test strip
An improved multi-layered diagnostic sanitary test strip for receiving a heterogenous fluid, such as whole blood, to test for presence and/or amount of a suspected analyte in the fluid by facilitating a color change in the strip corresponding to the amoun...
03/21/2000
6040194Methods and device for detecting and quantifying substances in body fluids
An in vivo method and apparatus for detecting an analyte in an individual. A sensor that includes a fluorescence reagent is placed in communication with the body fluids of the individual suspected of containing the analyte in such a way that once in place...
03/21/2000
6027943Immunoassay devices and materials
An immunochemical assay device comprising a base member, an array disposed on the base member, and at least one assay indicia zone. The array comprises (i) a reservoir pad to receive sample liquid, (ii) a wicking membrane, and (iii) at least one filter zo...
02/22/2000
6022720Bax protein channel formation
The present invention relates, in general, to a protein that regulates programmed cell death and, in particular, to the pro-apoptotic protein, Bax, which forms channels in lipid membranes. The invention further relates to methods of identifying agonists a...
02/08/2000
6022748Sol-gel matrices for direct colorimetric detection of analytes
The present invention relates to methods and compositions for the direct detection of analytes using color changes that occur in immobilized biopolymeric material in response to selective binding of analytes to their surface. In particular, the present in...
02/08/2000
6020209Microcapillary-based flow-through immunosensor and displacement immunoassay using the same
A displacement-type flow immunoassay is performed using a microcapillary sage. The inner wall of the microcapillary passage has immobilized thereon antibodies to the antigen of interest. Labeled antigen is immunologically bound to the immobilized antibod...
02/01/2000
6017769Non-enzymatic methods of generating chemiluminescence from acridan alkenes
Methods of generating chemiluminescence rapidly without the use of enzymes are provided. The methods utilize chemiluminescent compounds comprising an acridan ring bearing an exocyclic double bond in a reaction with an acid, an oxidant and a base. The chem...
01/25/2000
6017696Methods for electronic stringency control for molecular biological analysis and diagnostics
A self-addressable, self-assembling microelectronic device is designed and fabricated to actively carry out and control multi-step and multiplex molecular biological reactions in microscopic formats. These reactions include nucleic acid hybridizations, an...
01/25/2000
6008057Immunoassay system
Disclosed is a method of assaying, in assay apparatus, for at least the ligand intended to be used to assay analyte in a sample, with which analyte the ligand will specifically bind. The method provides a product in which a ligand is labeled with a detect...
12/28/1999
6008056Sample volume control for lateral flow chromatography
A method of assaying a preselected volume of sample on an chromatographic strip includes providing a sample receiving reservoir. This reservoir can receive a preselected volume of sample or a preselected volume of sample and reagent. The sample receiving ...
12/28/1999
6007999Reversible flow chromatographic binding assay
Disclosed are devices and methods for performing an assay which determines the presence or quantity of an analyte in a fluid sample by detecting binding of the analyte to at least one immobilized analyte capture reagent and washing unbound material from t...
12/28/1999
6005113Long wavelength dyes for infrared tracing
The invention relates to fluorescent dyes that are substituted or unsubstituted derivatives of 1-(isoindolyl)methylene-isoindole that are bound through both isoindole nitrogens to a boron difluoride moiety, forming a fluorescent dibenzopyrrometheneboron d...
12/21/1999
6001658Test strip apparatus and method for determining presence of analyte in a fluid sample
An apparatus in the form of a test strip is useful for determining the presence of one or more components in a fluid sample. The test strip can be used by itself or in conjunction with an associated housing assembly. The test strip provides a rapid volume...
12/14/1999
5998031Dried chemical compositions
The present invention provides dried chemical compositions comprising dried beads. Typically, the beads comprise reagents suitable for analysis of biological samples, in particular analysis of blood samples in centrifugal analyzers....
12/07/1999
5994150Optical assaying method and system having rotatable sensor disk with multiple sensing regions
An optical assaying method and system having a movable sensor is described. In one aspect, the present invention is a sensing system having a rotating sensor disk coated with indicator dyes sensitized to a variety of substances. In this configuration the ...
11/30/1999
5989924Device for determining an analyte in a sample
The present invention relates to a device for determining an analyte in a fluid sample in an assay. The device comprises a lid having a plurality of elements and a membrane. The elements have openings which allow passage of fluid to the membrane. The memb...
11/23/1999
5989923Hologram containing sensor
The invention relates to a sensor (9) comprising a hologram (17) supported on or within a holographic support medium (10). A species to be detected is reactive with a substance disposed throughout, the sensor (9). Optionally, a chemical reactive with a species...
11/23/1999
5981298Immunoassay device and method
A device and related method for performing one or more immunoassays to detect the presence of respective analytes in a sample. The device involves the use of a unitary bibulous material providing one or more flow paths having a common origin site and a pl...
11/09/1999
5976891Method for investigating non-linear optical behavior of a layer formed from first and second reactants
A method and a device for optically ascertaining the mutual binding of a first and a second reactant are described. Use is made of the fact that a dipolar layer (7) having a non-linear optical behavior is formed upon a reaction between the two reactants. ...
11/02/1999
5965458Test strip, its production and use
A test strip for a rapid immunoassay containing specific immunochemical reagent zones (7, 8, 9) is described. The test strip (10) has a backing sheet (1) and attached thereto a receiving end pad (3) and at a distance therefrom a finishing end pad (5). A t...
10/12/1999
5965456Analyte detection
Disclosed is apparatus for detecting the presence of an analyte of interest in a sample, comprising an immobilised binding partner comprising a solid support and a reversibly binding receptor which is capable of binding to the analyte of interest thereby ...
10/12/1999
5962336Multi-test panel
A multi-test panel with several test strips containing a separate and different immunochromatographic system, each strip being housed in a separate structure so that the structures may be joined together and interchanged, depending upon what substances wi...
10/05/1999
5962332Detection of trinucleotide repeats by in situ hybridization
Disclosed is a method of detecting a trinucleotide repeat expansion by in situ hybridization. The disclosed method uses a sample of nucleated cells, a labeled trinucleotide repeat-specific probe and detection of the hybridized probe by a means whose sensi...
10/05/1999
5958704Sensing system for specific substance and molecule detection
A system for detecting a specific substance or analyte of interest is provided that includes one or more sensing units and an instrument for analyzing the sensing units. Each sensing unit preferably includes a substrate, an attachment layer and at least o...
09/28/1999
5955377Methods and kits for the amplification of thin film based assays
Method for detecting an analyte of interest, comprising the steps of providing a detection device comprising a light reflective or transmissive substrate supporting one or more layers comprising an adhering attachment layer to which is affixed a receptive...
09/21/1999
5955378Near normal incidence optical assaying method and system having wavelength and angle sensitivity
A method and system for optically assaying a substance in a sample using a sensing system having a diffraction grating sensor. A system and method are described that expose the sensor with a light beam at near normal angles of incidence and quantitatively...
09/21/1999
5952173Devices and methods utilizing arrays of structures for analyte capture
The present invention relates to analytical devices for determining the presence or amount of an analyte in a test sample. The analytical devices comprise an inlet port, a vent, a channel, and an array of structures. The structures have immobilized reagen...
09/14/1999
5948695Device for determination of an analyte in a body fluid
A strip for testing for the presence of an analyte generally comprises a support member which contains a spreading layer and a reagent layer, and a capillary tube in communication with the support layer and spreading layer for transporting a sample of bod...
09/07/1999
5948694Molecular detection apparatus
A molecular detection apparatus comprises a molecular receptor (20), a detection element (22) responsive to the molecular receptor (20), and a substrate (24) which supports the detection element (22). The molecular detection apparatus further includes a g...
09/07/1999
5939021Homogeneous binding assay
A homogeneous method of measuring chemical binding relies on resonant, or "amplified," optical extinction (light scattering plus absorption) from a defined, specific class of colloidal particles wherein the real term n of the complex refractive index n-ik...
08/17/1999
5939326Method and apparatus for performing automated analysis
A device for analyzing a whole blood sample is provided. The device comprises a conventionl hematology analyzer integrated with a fluorescence cyometry analyzer. A controller is provided for controlling the analyzers, obtaining and utilizing data from bot...
08/17/1999
5922607Measuring process for blood gas analysis sensors
The invention relates to a measuring process, the purpose of which is to increase the measuring accuracy of pulse oxymeters and comparable optical devices which are used in vivo to ascertain oxygen saturation of arterial blood. The measuring process accor...
07/13/1999
5922615Assay devices comprising a porous capture membrane in fluid-withdrawing contact with a nonabsorbent capillary network
Devices for use in heterogeneous ligand-receptor assays, having a porous member in contact with a nonabsorbent textured surface, where the surface texturing is such that a capillary network is formed when in fluid communication with the porous member. Mor...
07/13/1999
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