Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8003399 | Nitrite detection technique A diagnostic test kit for detecting the presence or absence of nitrites within a test sample is provided. The test kit comprises an aromatic primary amine that is capable of reacting with a nitrite to form a diazonium ion. The test kit also comprises a lateral flow ... | 08/23/2011 |
| 7927883 | In-situ soil nitrate ion concentration sensor A method and apparatus for near real-time in-situ soil solution measurements is presented. An outer sleeve is placed in soil where ionic concentrations of organic or inorganic species are to be measured. A porous section connects with the outer sleeve (the porous se... | 04/19/2011 |
| 7655473 | Method and device for determining the concentration of nitrite A method for automatically determining the concentration of nitrite in a liquid sample includes: determination of the extinction of the liquid sample at a wavelength λ of 150-250 nm, addition of a nitrite reducing... | 02/02/2010 |
| 7410612 | Gunpowder particle test kit A gunpowder particle test kit for determining gunpowder residue includes a transparent sleeve having a closed end and an open folded end sealed with a clip forming a sealed cavity carrying a test strip and a crushable ampoule carrying a diphenylamine solution. The t... | 08/12/2008 |
| 7407626 | Composition and method of use of medical test kit A medical test kit includes a glucose testing composition, a protein testing composition, a bilirubin testing composition, a bilinogen testing composition, an amylase testing composition, a blood testing composition, a calcium testing composition, a nitrite testing ... | 08/05/2008 |
| 7393649 | Detection of specific nitrated markers Methods are described for improving the diagnostic possibilities of diseases where oxidative NO-modifications occur, for example inflammatory conditions, cancer, Parkinson's or Alzheimer's disease, and to provide means of monitoring the effects of therapeutical meas... | 07/01/2008 |
| 7368292 | Differential reflection spectroscopy system and method for detecting explosives and other target materials A system and method for identifying explosive or other target materials includes the steps of irradiating a first location and a second location spaced apart from the first location from a sample suspected of including explosives with ultraviolet, visible or infrare... | 05/06/2008 |
| 7364918 | Colorimetric sensors constructed of diacetylene materials Colorimetric sensors comprising a receptor incorporated within polydiacetylene assemblies to form a transducer capable of indicating a color change when contacted with an analyte are disclosed. Methods of using the colorimetric sensor and a kit for the colorimetric ... | 04/29/2008 |
| 7338638 | Trapping materials for trace detection systems The invention is directed to a trap material use in a chemical trace detection portal for detecting trace amounts of contraband, and more particularly for detecting vapors and particles emitted from drugs and explosive devices. The trap material is made of a metalli... | 03/04/2008 |
| 7332345 | Chemical sensor system A chemical sensing apparatus and method for the detection of sub parts-per-trillion concentrations of molecules in a sample by optimizing electron utilization in the formation of negative ions is provided. A variety of media may be sampled including air, seawater, d... | 02/19/2008 |
| 7317532 | Flow sensing for determination of assay results An assay result reading device for reading the result of an assay performed using a liquid transport carrier may include at least one light source capable of emitting light incident upon at least one of two or more spatially separated zones of the carrier, a photode... | 01/08/2008 |
| 7315378 | Optical arrangement for assay reading device Disclosed, in one aspect, is an assay result reading device for reading the result of an assay performed using a test strip, the device comprising: a light source or sources, said light source/s emitting light incident upon at least two, spatially separated zones of... | 01/01/2008 |
| 7223606 | Methods of detecting nitrotyrosine and aminotyrosine residues of peptides and proteins Methods and compositions are disclosed for quantifying and/or identifying a nitroderivative compound, or a residue thereof, and are applicable for assessing in vivo nitrative stress and for aiding in diagnosis of mammalian pathologies such as asthma, atherosclerosis... | 05/29/2007 |
| 7189574 | Measurement of nitrogen content in a gas mixture by transforming the nitrogen into a substance detectable with nondispersive infrared detection A method of determining the amount of nitrogen in a gas mixture. The constituent gases of the mixture are dissociated and transformed to create a substance that may measured using nondispersive infrared adsorption techniques. ... | 03/13/2007 |
| 7160690 | Nitrate sensor A biosensor method and apparatus for detecting and measuring nitrate. The biosensor is based on the fluorescence properties of a receptor molecule fragment. The biosensor apparatus contains the active-site fragment of the receptor molecule for detecting nitrate. Bot... | 01/09/2007 |
| 7157059 | Reduction device for nitrate determination A nitrate reduction device has a cadmium structure forming a plurality of longitudinal channels within a flow chamber, which may be formed by a plurality of wires. The device is used to reduce nitrate to a final nitrite product for analysis. ... | 01/02/2007 |
| 7151447 | Detection and identification of threats hidden inside cargo shipments A method for identifying at least one threat to the homeland security. Each threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each threat while interacting with its surround... | 12/19/2006 |
| 7144709 | Diagnostics based on tetrazolium compounds A reagent is suitable for measuring the concentration of an analyte in a hemoglobin-containing biological fluid, such as whole blood. The reagent comprises a flavin-dependent enzyme that has specificity for the analyte, a flavin cofactor if, and only if, a flavin is... | 12/05/2006 |
| 7132294 | Functionalized small molecules for use in chemical sensors The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda... | 11/07/2006 |
| 7112449 | Combinatorial chemical synthesis Combinatorial synthesis methods obtain a plurality of compositions having materially different characteristics using an apparatus having a plurality of collectors. A first quantity of fluid reactants are reacted to form a first quantity of product composition. Follo... | 09/26/2006 |
| 7045098 | Apparatus and method for removing interfering substances from a urine sample using a chemical oxidant Urine samples are made free of potentially interfering substances, such as alkaloids or pharmaceuticals, by contacting the urine sample with an amount of a chemical oxidizing agent in a disposable oxidation bag, while retaining the physical indicia characteristic of... | 05/16/2006 |
| 7011954 | Diagnostics based on tetrazolium compounds A reagent is suitable for measuring the concentration of an analyte in a hemoglobin-containing biological fluid, such as whole blood. The reagent comprises a flavin-dependent enzyme that has specificity for the analyte, a flavin cofactor if, and only if, a flavin is... | 03/14/2006 |
| 6984524 | Chemiluminescent detection of explosives, narcotics, and other chemical substances A compact scanning apparatus has an infrared laser adapted to emit light. The light is delivered as a beam by an optical system to illuminate an interrogation area on the surface of an object being scanned. Such illumination has sufficient intensity and duration to ... | 01/10/2006 |
| 6967103 | Apparatus and methods for detecting explosives and other substances An explosive detector that utilizes an array of molecularly imprinted polymer (MIP) coated, bifurcated fiber optic cables to form an image of a target molecule source. Individual sensor fiber assemblies, each with a calibrated airflow, are used to expose the fibers ... | 11/22/2005 |
| 6963007 | Diacetylenic materials for sensing applications Diacetylenic materials for the colorimetric detection of an analyte or exposure to certain environmental factors are disclosed as well as the polymerization reaction products of these diacetylenic compounds. ... | 11/08/2005 |
| 6946300 | Multi-modal detection of explosives, narcotics, and other chemical substances A compact scanning apparatus has an infrared laser adapted to emit light. The light is delivered as a beam by an optical system to illuminate an interrogation area on the surface of an object being scanned to cause selective desorption of molecules of the contraband... | 09/20/2005 |
| 6887710 | Robust system for screening mail for biological agents Items of mail are rapidly processed in a mail sampling system to determine if the mail is contaminated with a chemical or biological agent. The mail sampling system maintains a negative pressure in a containment chamber and includes a triggering sampler that makes a... | 05/03/2005 |
| 6882419 | System for improved biological nutrient removal A method is provided for the determination of NO2− and/or NO3− in water by subjecting the water sample to ultraviolet resonance Raman spectroscopy within the range of wavelengths of 200-240 nm, and determining the pres... | 04/19/2005 |
| 6764857 | Systems and methods for measuring nitrate levels The systems and methods described herein relate to the measurement of nitrate levels in a sample of gas, for example, air, exhaust, or other sources of gas. Moreover, the systems and methods described herein are capable of operating using short sample collection per... | 07/20/2004 |
| 6763585 | Method for producing micro bump A resist pattern in accordance with a predetermined pattern is formed on a substrate. Next, a bump resist mixed with a micro metallic powder is made thicker than the resist pattern and formed on the substrate formed with the resist pattern. Continuously, the bump re... | 07/20/2004 |
| 6656697 | Diagnostics based on tetrazolium compounds A reagent is suitable for measuring the concentration of an analyte in a hemoglobin-containing biological fluid, such as whole blood. The reagent comprises a flavin-dependent enzyme that has specificity for the analyte, a flavin cofactor if, and only if, ... | 12/02/2003 |
| 6613576 | Field kit and method for testing for the presence of gunshot residue A field test kit for gunshot residue comprises a container having at least compartments separated by a barrier. A surface is tested by wiping it with a swab and placing the swab in a first compartment. The barrier is then breached, permitting reagent in t... | 09/02/2003 |
| 6503758 | Systems and methods for measuring nitrate levels The systems and methods described herein relate to the measurement of nitrate levels in a sample of gas, for example, air, exhaust, or other sources of gas. Moreover, the systems and methods described herein are capable of operating using short sample col... | 01/07/2003 |
| 6368870 | Controlled diffusion analysis A method is described for determining the presence of a volatile component in a test sample. The method involves use of two separate vessels, one of which is capable of being placed wholly within the other vessel. The test sample is placed in the larger v... | 04/09/2002 |
| 6316264 | Test strip for the assay of an analyte in a liquid sample An improved test strip for determining the presence or concentration of unknown or a constituent in a liquid test sample is disclosed. The test strip comprises a support strip and a test pad, wherein the test pad includes a carrier matrix incorporating a ... | 11/13/2001 |
| 6315950 | Controlling chlorination of wastewater and chloramination of drinking water A method is described for precisely controlling chlorination of wastewater and chloramination of drinking water. The method involves analyzing the water for the presence of residual monochloramine without interference of dichloramine, organic amines, orga... | 11/13/2001 |
| 6303384 | Reagent and method for detecting an adulterant in an aqueous sample This invention relates to a reagent and use of that reagent for detecting adulterants in aqueous samples, particularly in biological specimens such as urine samples using a diazo dye precursor such as N,N diethyl-1,4-phenylene diamine and a reagent such a... | 10/16/2001 |
| 6245576 | Method of explosives detection Energetic materials, particularly explosives materials, are detected in samples by heating a mixture of a sample under a reduced pressure of not more than 100 mbar and detecting the chemiluminescent emission therefrom with a suitable light detector, for e... | 06/12/2001 |
| 6200773 | Diagnostics based on tetrazolium compounds A reagent is suitable for measuring the concentration of an analyte in a hemoglobin-containing biological fluid, such as whole blood. The reagent comprises dehydrogenase enzyme that has specificity for the analyte, NAD, an NAD derivative, pyrrolo-quinolin... | 03/13/2001 |
| 6183416 | Diagnostic method for inflammatory conditions in the intestines Method for diagnosis of inflammatory conditions in the intestinal canal of humans, characterized in that NO is measured in the lumen of the intestines. The NO level obtained is then compared with the level obtained for healthy individuals or with the leve... | 02/06/2001 |
