Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Application No. | Application Title | Issue Date |
| 20120107946 | DETECTION OF EXPLOSIVES AND OTHER SPECIES The present invention provides a series of systems, devices, and methods relating to the determination of explosives, such as peroxides or peroxide precursors, and other species. Embodiments of the invention may allow a sample suspected of containing an explosive (e.g.,... | 05/03/2012 |
| 20110300636 | METHOD AND APPARATUS FOR DETECTING HYDROGEN PEROXIDE The presence of hydrogen peroxide vapor is detected with high sensitivity. Oxygen molecules in the air are ionized by electrons generated by a discharge plasma, thereby producing an oxygen molecule negative ion O2−. The oxygen molecule negative i... | 12/08/2011 |
| 20110244579 | Valve Analytical System A lab on a valve analytical system includes a rotary sample preparation assembly having a stator and a rotor. The rotor includes a plurality of integral syringe pumps which can be aligned with passages formed within the stator. The stator passages can be connected with ... | 10/06/2011 |
| 20110201124 | OZONE REDUCING Y-PIPE FOR LOW COST OZONE SENSOR An ozone detection system includes a source of sample gas containing a concentration of ozone. The system further includes a first airflow passageway for receiving a first sample of gas from the source. The first airflow passageway includes a catalytic scrubber to reduc... | 08/18/2011 |
| 20110201123 | LOW COST, HIGH ACCURACY OZONE SENSING An ozone detection system includes a source of sample gas containing a concentration of ozone and a single optical pathway. The system includes a light source in optical communication with the optical pathway. The system further includes a first airflow passageway for r... | 08/18/2011 |
| 20110195514 | COLORIMETRIC REAGENT FOR PREVENTION OF PEROXIDE FORMATION IN SOLVENTS A reagent comprising a reduced metal oxide in a carrier for exposure to a solvent for the detection of the presence of peroxide in the solvent is disclosed. The reduced metal oxide may be molybdenum bronze. The reagent may have a dark color before exposure to peroxide a... | 08/11/2011 |
| 20110159603 | FLUORESCENT PROBE SPECIFIC TO HYDROGEN PEROXIDE A compound represented by the following general formula (IA) or (IB) (R1 represents an electron withdrawing substituent, R2 and R3 represent a hydrogen atom or a halogen atom; R4 and R3 represent a hydrogen atom, an... | 06/30/2011 |
| 20110130306 | PRO-FLUORESCENT PROBES The present invention provides a novel class of pro-fluorescent probes for reactive oxygen species (ROS). One exemplary probe is mitochondria peroxy yellow 1 (MitoPY1), a new type of flurophore for imaging mitochondrial H2O2 in living cells with RO... | 06/02/2011 |
| 20100304494 | MICROFLOW ANALYTICAL SYSTEM A microflow analytical system includes a laminate pump assembly connectable with one or more sources of fluid, one or more pneumatic control pumps, a mixer, and a sensor. The laminate pump assembly is adapted to deliver predetermined volumes of the fluid(s) through a pl... | 12/02/2010 |
| 20100297776 | PEROXIDE CHEMICAL SENSOR AND SENSING METHOD Sensors, sensing systems and sensing methods of the invention provide for detection of peroxides, including for example, vapor-phase H2O2 and organic peroxides such as di-tert-buty\ peroxide. A sensor and sensing method of the invention uses at lea... | 11/25/2010 |
| 20100279420 | BIOSENSORS, AND METHOD AND KITS FOR USING SAME A stabilised thylakoid membrane formulation comprising thylakoid membranes in a buffered solution and liposomes, wherein the formulation has a ratio of chlorophyll/liposomes of at least about 10:1. The invention further comprises a method for detecting or quantifying th... | 11/04/2010 |
| 20100267148 | METHOD FOR THE DETERMINATION OF THE POSITION OF UNSATURATION IN A COMPOUND A mass spectrometric method for determining the position of unsaturation in a compound is disclosed.... | 10/21/2010 |
| 20100255483 | LIQUID-FEEDING CHIP AND ANALYSIS METHOD A liquid-feeding chip for feeding a liquid utilizing the action of centrifugal force and gravity by rotating the chip around an axis of rotation, includes a first storage tank (1-1) into which the liquid can be introduced when rotation of the chip is stopp... | 10/07/2010 |
| 20100255525 | Fluorescent ozone sensor A selective, fluorescent “turn-on” probe and method for the detection of ozone in biological and atmospheric samples, wherein the method of detecting ozone in a sample comprises the steps of (1) contacting the sample with a fluorophore capable of undergoing allylic ... | 10/07/2010 |
| 20100144050 | HYDROGEN PEROXIDE DETECTOR AND METHODS The current invention provides a detector and method suitable for sensing vapor-phase hydrogen peroxide. The detector utilizes a chemiluminescent material comprising a peroxide reactive compound, a dye and a solvent. Upon reaction with hydrogen peroxide, the chemilumine... | 06/10/2010 |
| 20100092574 | SYNERGISTIC PEROXIDE BASED BIOCIDAL COMPOSITIONS Disclosed is a method for controlling microbial growth in an aqueous system containing sulfite and/or bisulfite residues by addition of a peroxy compound at a pH of greater than 5. Also disclosed is a method for stabilizing an active halogen biocide in an aqueous system... | 04/15/2010 |
| 20100086910 | Surface-modified single-walled carbon nanotubes and methods of detecting a chemical compound using same A method for surface modification of single walled carbon nanotubes. In one embodiment, the method includes the steps of providing a detergent solution, adding a plurality of single walled carbon nanotubes into the detergent solution, performing a first sonication to di... | 04/08/2010 |
| 20100055800 | Compositions for Chemiluminescent Detection of Hydrogen Peroxide Methods and compound useful for detecting a source of hydrogen peroxide are disclosed wherein a signalling compound of the formula: is reacted with peroxide. Sig is a non-polymeric organic group, B is a boron... | 03/04/2010 |
| 20090317913 | DETECTION OF PEROXIDE RADICALS AND REACTION INITIATORS Sensors including a functional component, methods for making such sensors and methods for using sensors including a functional component for the detection of free radical forming compounds including peroxides and devices incorporating such sensors are provided herein.... | 12/24/2009 |
| 20090087921 | VAPORIZED HYDROGEN PEROXIDE CONCENTRATION DETECTOR A method of determining the presence of vaporized hydrogen peroxide (VHP) in a region, comprising the steps of providing a sealable region having an inlet port and an outlet port, creating a flow of a carrier gas into, through and out of the region, delivering vaporized... | 04/02/2009 |
| 20080305553 | Kinetic determination of peracid and/or peroxide concentrations A use composition monitor determines the concentration of peracid and/or peroxide in a use composition using a kinetic assay procedure. A sample mixture containing a sample of the use composition, a diluent and at least one reagent is prepared and analyzed using, for ex... | 12/11/2008 |
| 20080261318 | Signalling Compounds For Use In Methods Of Detecting Hydrogen Peroxide Methods and compound useful for detecting a source of hydrogen peroxide are disclosed wherein a signalling compound of the formula: is reacted with peroxide. Sig is a non-polymeric organic group, B is a boron... | 10/23/2008 |
| 20080248578 | Detection of explosives and other species The present invention provides a series of systems, devices, and methods relating to the determination of explosives, such as peroxides or peroxide precursors, and other species. Embodiments of the invention may allow a sample suspected of containing an explosive (e.g.,... | 10/09/2008 |
| 20080182334 | Method and Kit For Detecting Explosive Substances Containing Certain Oxidants The invention relates to a method for detecting an explosive substance which contains chlorate, bromate and/or organic peroxide, wherein a suspect substance is contacted with a first reagent, which is a strongly acid solution of at least one primary or secondary aromati... | 07/31/2008 |
| 20080166815 | Ozone gas sensing element, detection apparatus, and measurement method A sensing element in which a dye that changes in the light absorption characteristic of the visible region upon reaction with ozone gas is deposited in the pores of a porous material is prepared. A change in dye before and after exposing the sensing element to a measure... | 07/10/2008 |
| 20070238188 | Peroxide monitor The presence and amount of hydrogen peroxide in a liquid can be determined by breaking down hydrogen peroxide into water and oxygen gas. By monitoring a base level of dissolved oxygen and comparing that to the amount of oxygen after breaking down the hydrogen peroxide, ... | 10/11/2007 |
| 20070051678 | Method of removing silicon dioxide from waste liquid, method of cleaning membrane tube and method of processing waste water A method of removing silicon dioxide from a waste liquid is described. A solution containing fluoride ions is added into the waste liquid to form a reaction product. A method of cleaning a membrane tube for processing waste water is also described, wherein the membrane ... | 03/08/2007 |
| 20060292699 | Detection of adulterated samples In some embodiments, the present invention pertains to a method for detecting an adulterant in a biological sample. A combination of a biological sample, an agent for detecting the adulterant and an ionic moiety capable of undergoing reduction by gaining electrons is pr... | 12/28/2006 |
| 20060121622 | Method for determination of organic hydroperoxides The concentration of an organic hydroperoxide in an aqueous stream is determined by derivatizing the organic hydroperoxide to the corresponding alcohol by addition of acetic acid and potassium iodide. The corresponding alcohol is then quantified by headspace gas chromat... | 06/08/2006 |
| 20060105466 | Sensor for determining concentration of ozone The present invention discloses a sensor for detecting ozone, the sensor comprises an element exhibiting piezoelectric properties having a coating that is removed from the quartz crystal upon exposure to ozone. ... | 05/18/2006 |
| 20060003461 | Method for determining the concentration of hydrogen peroxide in a process stream and a spectrophotometric system for the same The present invention is directed to a method for determining the concentration of hydrogen peroxide in a chemical process stream which may include interfering components. Still further, this invention is directed to a method and apparatus for the on-line, automated det... | 01/05/2006 |
| 20050084978 | Method of simultaneous fractional analysis of peracetic acid and hydrogen peroxide The invention is a method for simultaneous and fractional determination of peracetic acid and hydrogen peroxide, which comprises adding a solution containing peracetic acid and hydrogen peroxide to a pH buffer solution with pH from 5 to 6 containing a molybdate, iodine ... | 04/21/2005 |
| 20050042140 | Sensor for determining radiated energy and use thereof The invention relates to a sensor for determining the energy of radiation of a type that is capable of converting oxygen into ozone, and to a use of such a sensor. According to the invention, the sensor contains a measuring chamber (1) that can be transirradiated... | 02/24/2005 |
| 20050042757 | Method of determining the cleanness of an apparatus and detecting a leakage in an apparatus The invention relates to a method of determining the cleanness of an apparatus comprising the steps of treating the interior of the apparatus with a solution comprising permanganate so as to cause the permanganate to react with contaminants, if any, being present within... | 02/24/2005 |
| 20050040076 | Method for determining the source of fouling in thermal conversion process units The present invention relates to a method for determining the source of fouling in petroleum thermal conversion process units. More particularly, the invention distinguishes whether fouling occurs due to feed entrainment of small feed droplets or vapor phase condensatio... | 02/24/2005 |
