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| Number | Title | Issue Date |
| 7413892 | Systems and methods for molecular recognition Acoustic wave devices coated with a biolayer are described for the detection target bio-molecules. The acoustic wave device is connected in an oscillator circuit, and the frequency shift Δf resulting from a biomolecular event is recorded. Further described are the ... | 08/19/2008 |
| 7247470 | Method and apparatus for measuring nitric oxide production and oxygen consumption in cultures of adherent cells An apparatus and method for measuring nitric oxide production and oxygen consumption in cultures of adherent cells continuously and without destroying the cells. The method involves flowing growth media through a tube having adherent cells are adhered to the inner s... | 07/24/2007 |
| 7060443 | Methods for testing oligonucleotide arrays Methods for testing oligonucleotide arrays are disclosed including methods for testing the efficiency of nucleotide coupling; methods for testing amounts of deprotected oligonucleotides; methods for determining amounts of depurinated oligonucleotides; and methods of... | 06/13/2006 |
| 6951759 | Detection of bacterial vaginosis There is disclosed a method for detecting the presence of bacterial vaginosis in a female subject comprising the steps of: obtaining a sample from the vaginal region of the subject; detecting acetic acid present in... | 10/04/2005 |
| 6936434 | Vapor phase decontamination process biological indicator evaluator resistomer (BIER) vessel A BIER vessel evaluates biological indicators for sterilization processes. By flowing gaseous sterilant, such as vaporized hydrogen peroxide, through a chamber (12) before, during, and after introducing the indicators, the indicators are instantaneously expos... | 08/30/2005 |
| 6589761 | Method and apparatus for detecting bacteria A device and method for detecting bacteria in food substances and the like utilizing a three layer composite consisting of a transparent base, an indicator exhibiting color change when exposed to changes in pH, and a gas permeable cover placeable in proxi... | 07/08/2003 |
| 6573107 | Immunochemical detection of an explosive substance in the gas phase through surface plasmon resonance spectroscopy The biosensor involves a specially designed surface which can be optically coupled to a Surface Plasmon Resonance spectrometer. The key components of the biosensor are a bimetallic layer, a self assembled monolayer of chemicals and a layer of biomolecules... | 06/03/2003 |
| 6537802 | Method and apparatus for the detection of volatile products in a sample A method and apparatus for detection of a small amount of volatile products from a sample using a transducer which changes voltage as a function of contact of the volatile product with the transducer. The apparatus and method are used to detect spoilage o... | 03/25/2003 |
| 6528277 | Indicator systems for determination of sterilization This invention relates to a container and method for detecting a specific environmental parameter or combination of parameters, or for determining the effectiveness of a sterilization procedure. The invention relates to test indicators containing controll... | 03/04/2003 |
| 6225132 | Enhanced chromatography using multiphoton detection A method for detecting an analyte of interest present in a mixture at an ultralow concentration includes selecting a radioactive derivatizing agent comprising a multiphoton-emitting radioisotope moiety and a moiety reactive with the analyte of interest, t... | 05/01/2001 |
| 6133041 | Hydrogen sulfide detection tube for alcoholic beverages A kit is provided for testing a gas produced from a sample for an absolute amount of a hydrogen sulfide. The kit includes a vessel for receiving the sample to be tested. The vessel includes one or more gas flow passages through which gas within the vessel... | 10/17/2000 |
| 5989852 | Indicator systems for determination of sterilization This invention relates to novel apparatus and methods for inserting and positioning a compressible material into a container and for using the container for detecting a specific environmental parameter or combination of parameters, or for determining the ... | 11/23/1999 |
| 5922616 | Biochemical sensor and novel media for bioelectrochemical reactions The invention provides a sensor for detecting an analyte comprising a support for a bioreceptor or biomimic and a detection means, wherein the support can retain a bioreceptor or biomimic and the support and the bioreceptor or biomimic and the detection m... | 07/13/1999 |
| 5894061 | Diffusion through a membrane assaying apparatus and method The diffusion through a membrane assaying apparatus and method facilitates rapid detection of small or larger molecular weight substances such as hazardous wastes, toxic chemicals or the like by using a semipermeable membrane having a predetermined molecu... | 04/13/1999 |
| 5856175 | Device for detecting microorganisms A device and method for detecting microorganisms in a specimen by culturing the specimen in a sealable specimen container with a culture medium and detecting microorganisms in the specimen by measuring changes in pressure within the container caused by th... | 01/05/1999 |
| 5830683 | Indicator systems for determination of sterilization This invention relates to novel apparatus and methods for inserting and positioning a compressible material into a container and for using the container for detecting a specific environmental parameter or combination of parameters, or for determining the ... | 11/03/1998 |
| 5807701 | Method and apparatus for detecting microorganisms A method for identifying a microorganism is described that includes abstracting gas or vapor associated with the microorganism from a detection region and flowing the same over an array of sensors of which an electrical property varies according to exposu... | 09/15/1998 |
| 5795730 | Rapid read-out biological indicator This invention relates to methods and the use of biological indicator systems to assess and determine the effectiveness of sterilization processes comprising the steps of contacting an indicator comprising microbial spores with a sterilant; a medium selec... | 08/18/1998 |
| 5719052 | Simple examination method of infection with Helicobacter pylori and device therefor There are described a simple examination method of infection with Helicobacter pylori possibly presenting in a gastric mucosa, and a device therefor. The examination is conducted by collecting gas in gastric cavity, and measuring mainly ammonia and additi... | 02/17/1998 |
| 5648231 | Measurement of mold growth on amorphous substrates A method for rapidly determining mold growth on feed is disclosed. The method comprises placing a sample of feed containing mold spores in a closed container; maintaining an environment that will support rapid mold growth; measuring the change in concentr... | 07/15/1997 |
| 5518895 | Device for detecting microorganisms using piezoelectric means A device and method for detecting microorganisms in a specimen by culturing the specimen in a sealable specimen container with a culture medium and detecting microorganisms in the specimen-by measuring changes in pressure within the container caused by th... | 05/21/1996 |
| 5514562 | Method and an apparatus for currently measuring the presence of traces of an undesirable substance in air A method for measuring the presence of traces of substance in air by providing in a cuvette a substrate reacting with the substance by changing its opacity, passing at a defined flow rate air from the air body to be checked through the substrate, measurin... | 05/07/1996 |
| 5504006 | Enzymatic detection device for detecting a gaseous or aerosol substance The invention is directed to a detecting device for detecting gaseous substances and aerosols with the aid of an enzymatic reaction. This reaction takes place between a reactant and an enzyme which, on the one hand, is exposed to the substance to be detec... | 04/02/1996 |
| 5470746 | Pickled vegetables fermentation detecting device A pickled vegetables fermentation detector is the sensor for sensing kimchi curing which converts variables depending on the state of kimchi curing into an electric signal and is provided with an air bubble generator, gas collector and detector, in which ... | 11/28/1995 |
| 5364593 | Direct-read colorimetric exposimeter A direct-read exposimeter for providing a visual, graded measurement of color variation corresponding to different ranges of dosage exposure to a polluting gas in the atmosphere over a given time period. The exposimeter includes a color-forming member and... | 11/15/1994 |
| 5348861 | Device and method for the detection of microorganisms which produce low-molecular-weight metabolites Selective detection of microorganisms is achieved by a screening technique in which radioactively labeled, low-molecular-weight metabolites produced by microorganisms to be detected reach an adsorption medium through a semipermeable medium which passes th... | 09/20/1994 |
| 5348884 | Device and method for the detection of microorganisms which produce low-molecular-weight metabolites Selective detection of microorganisms is achieved by a screening technique in which radioactively labeled, low-molecular-weight metabolites produced by microorganisms to be detected reach an adsorption medium through a semipermeable medium which passes th... | 09/20/1994 |
| 5324636 | Radiorespirometer and method of use A simple device functioning as a radiorespirometer is a petri dish with a modified cover for quantitating an amount of CO2 evolved by living cultured cells. The device is a plastic culture dish having a culture surface circumscribed by a contin... | 06/28/1994 |
| 5318909 | Device for the determination of aerobic biodegradability A device for determining the aerobic biodegradability in a composting installation of at least one product includes at least two reactors, a temperature device for maintaining the reactors at a temperature above the ambient temperature, a device for passi... | 06/07/1994 |
| 5310658 | Method and apparatus for detecting biological activities in a specimen A pressure/vacuum method and instrument for detecting biological activities in blood culture vials, that is non-invasive, does not require chemical sensors, does not require high-brightness short-wavelength light sources, is safe against eventual extreme ... | 05/10/1994 |
| 5296201 | Apparatus for venting a pressurized bubble contactor A venting apparatus for a bubble contactor used to dissolve oxygen in water prior to introducing the water into a biological fluid bed reactor that, under aerobic conditions, removes potentially combustible contaminants from the water for removing fuel co... | 03/22/1994 |
| 5296200 | Apparatus for venting excess gas bubbles from a bubble contactor A venting apparatus for bubble contactor employed in liquid treatment apparatus for removing fuel constituents from water. The liquid treatment apparatus includes an oxygenator for dissolving oxygen in the water prior to its introduction into a biological... | 03/22/1994 |
| 5270166 | Immunoassays employing generic anti-hapten antibodies and materials for use therein The present invention relates to immunoassay methods for detecting and measuring the amount of an analyte in a sample by means of generic anti-hapten antibodies. Also disclosed are multi-analyte immunoassay methods. Reagents, devices, and kits using the a... | 12/14/1993 |
| 5264349 | Method and device for determining in an accelerated manner the anaerobic biodegradability of a product Method for determining in an accelerated manner the biodegradability of at least one product under anaerobic conditions which are similar to those in a dump, characterized in that a mixture with a dry substance content of between 25 and 50% is prepared wi... | 11/23/1993 |
| 5205988 | Apparatus for measuring gaseous aldehyde An apparatus for detecting gaseous aldehydes is disclosed which contains a detachable aldehyde capturing system and an aldehyde detection system. The gaseous aldehyde is passed across a semipermeable membrane with a solvent on the other side of this semip... | 04/27/1993 |
| 5175091 | Method for toxin detection A method and apparatus for detecting a toxin whereby a yeast culture is monitored for the release rate of one or more metabolic products before and after the inclusion of a test sample and a decrease in the release rate of the metabolic products indicates... | 12/29/1992 |
| 5162229 | Device and method for enhanced recovery and detection of microbial growth in the presence of antimicrobial substances The present invention relates to a device and method of detecting microorganisms in a rapid manner and increasing the number of microorganisms detected during the culturing of a sample by the addition of resinous and non-resin adsorbents and molecular sie... | 11/10/1992 |
| 5155019 | Detection of the presence of biological activity in a sealed container utilizing infrared analysis of carbon dioxide and apparatus therefor A method and apparatus for detecting the presence of biological activity in a sample of material. In the method, a sample of the material is placed in a closed container with a growth medium which includes a carbon source which may be metabolized to produ... | 10/13/1992 |
| 5151367 | Detector for enzymatically determining gas samples A detector for enzymatically determining components in gases and aerosols and includes a porous filter disposed in a housing. The filler absorbs the aqueous reagent solution, the substrates and the enzymes and is brought into communication with a sample t... | 09/29/1992 |
| 5126238 | Hollow fiber cell propagation system and method A unique hollow fiber bioreactor system and method for the propagation of cells and the production of various cell propagation products is described. The system and method include the use of a flow block holder which allows a dissolved oxygen probe to be ... | 06/30/1992 |
