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US20150140678 METHOD FOR STABILIZING QUANTUM-DOTS  
Disclosed herein is a method for stabilizing quantum dots. The method comprises introducing a first monomer into a mini emulsion system. The first monomer is a crosslinking polymer. A second...
US20070031976 Oxygen Indicator for Use in Medical Products  
An oxygen indicator is provided for revealing the presence of oxygen in a container housing a medical formulation. The indicator can be formulated with components deemed safe for use with medical...
US20060063270 Urine gender test  
A solid composition for determining the gender of an unborn fetus, comprising a first layer comprising a basic salt, a second layer comprising a transition metal, and a third layer comprising a...
US20120225021 STABLE COLLOIDAL GOLD NANOPARTICLES WITH CONTROLLABLE SURFACE MODIFICATION AND FUNCTIONALIZATION  
In the present invention, a method of producing stable bare colloidal gold nanoparticles is disclosed. The nanoparticles can subsequently be subjected to partial or full surface modification. The...
US20070087444 Adsorbent composition with reactive indicator  
A composition and method of determining the remaining service life in an impregnated adsorbent composition. Composition is an indicating absorbent composition that contains both an impregnated...
US20070087443 Indicator  
An indicator that reacts with at least one gaseous compound in such a way that the color of the indicator is changed. The indicator is a layer formed on a substrate and including metallic silver...
US20100311183 MAGNETIC BEAD ACTUATION USING FEEDBACK FOR FTIR BIOSENSOR  
The invention provides a method for controlling actuation of label particles in a biosensor device, in particular a biosensor device using frustrated total internal reflection. By applying a...
US20150174576 Microfluidic Device for Droplet Generation  
The invention relates to a microfluidic system for generating droplets, the controlled merging of two or more droplets, and the analysis of droplets.
US20110086431 Methods for Altering Surface Characteristics of Microspheres  
Various methods for altering surface characteristics of a microsphere are provided. One method includes coupling an enolic acid to the microsphere to modify the surface characteristics of the...
US20060258016 Silica-based indicating desiccants  
An indicating desiccant comprises a silica-based material having impregnated thereon a source of iron and a source of bromide, the source of iron being present in an amount up to 2.0 per cent by...
US20060263898 Perfume delivery systems based on inorganic nano particles  
Nano-sized delivery systems consisting of an inorganic nano particle moiety covalently bonded to at least one organic pro-perfume or pro-drug moiety are disclosed. The systems of the invention are...
US20070105235 Osmium-based oxygen sensor and pressure-sensitive paint  
Osmium-based oxygen sensor, pressure-sensitive paint that includes the osmium-based oxygen sensor, and method for measuring the pressure of an oxygen-containing fluid on a surface using the...
US20090053823 Liquid Reagent of Color Former and Method of Stabilizing The Same  
A liquid reagent in which a methylene blue compound color former is stably stored in a liquid state; and a method of stabilizing a methylene blue compound color former in a liquid state. A...
US20090136931 Novel fluorescent labeling compound  
A rare-earth fluorescent complex which forms a fluorescent complex with two or more rare-earth metals such as europium and terbium and can effectively be excited at a wavelength of 340 nm or...
US20050106735 COMPOSITON FOR NON-TOXIC, NON-HAZARDOUS, AND ENVIRONMENTALLY FRIENDLY HUMIDITY-INDICATING AGENT AND ITS APPLICATION  
Cobalt chloride, copper chloride, and zinc chloride have been used as a humidity-indicating medium. European Union classified cobalt chloride as a category 2 carcinogen while repeated exposure to...
US20050048664 Tracking Snow-A Liquid Solution mixture designed to aid in the visual location of trace amounts of game animal blood  
In many instances blood trails are lost due to the inability of the hunter to locate the sometimes, “invisible” blood spots. This invention will give the hunter a tool that will without question...
US20050037512 Microencapsulation of oxygen-sensing particles  
The present invention relates to compositions comprising a core and a hydrophobic coating material surrounding the core. The core comprises at least one oxygen-sensing particle. The present...
US20060008912 Temporary visual indicators for paint and other compositions  
The present invention concerns novel methods and compositions useful for providing a temporary visual indication of the location, concentration, and/or time period of treatment of an applied...
US20070048876 Visual spill indicating  
Composition has an indicating dye encapsulated by an encapsulating material. An encapsulated indicating dye can be combined with an organic substance absorbent and/or adsorbent. The composition,...
US20070054412 Oxidative dye composition and indicator  
An oxidative dye solution comprises an indicating dye that has been reacted with a reducing agent. The pre-reacted dye when subjected to an oxidizing disinfection or sterilization agent such as...
US20050042764 Optically encoded particles  
The invention concerns a particle having a code embedded in its physical structure by refractive index changes between different regions of the particle. In preferred embodiments, a thin film...
US20070224691 Composition for measuring concentration of residual chlorine  
The present invention provides a composition for measuring residual chlorine concentration in the sample water, which is an aqueous solution comprising a specific benzidine compound, e.g.,...
US20130196447 MICROFLUIDIC ELEMENT FOR THOROUGHLY MIXING A LIQUID WITH A REAGENT  
A microfluidic element for thoroughly mixing a liquid with a reagent used for the analysis of the liquid for an analyte contained therein and a method thereof are disclosed. The microfluidic...
US20050153456 Analysis of mass spectral data in the quiet zones  
Embodiments of this invention relate to the analysis of mass spectral data in the quiet zones.
US20070218563 Stiochiometrically defined dye-labelled substances for measuring glomerular filtration rate, the production thereof and their use  
The invention concerns new chemical compounds that can be used as marker substances in renal diagnostics, their production and use, and renal diagnostic agents which contain them.
US20050233467 Visible wavelength fluorescent calcium indicators that are (i) leakage resistant and (ii) operate near membranes  
A new class of visible wavelength fluorescent calcium indicators with the BAPTA-like portion rendered zwitterionic by introduction of amine and carboxylic groups. “Fluo” compounds generally...
US20060160240 Indicator for assessing body odor, process for producing the same, body odor assessment method, method of assessing efficaciousness of deodorant and kit for conveniently assessing body odor  
An indicator material for assessing body odor of the present invention comprises at least one member selected from the group consisting of a substance (A) which is a β-hydroxycarboxylic acid...
US20070036682 Microoptic glucose detector  
Disclosed is a compound that fluoresces in the presence of saccharides, the compound having the formula: wherein F designates a fluorophore, R is a lower aliphatic or aromatic group, n and m are...
US20080293153 Photolabile System with Instantaneous Fluorescence Reporting Function  
A method of photofragmentation is provided comprising: providing a masked fluorescent molecule having a masking group bonded to a fluorescent molecule through a photolabile covalent bond; exposing...
US20070072305 Composition for measuring residual chlorine concentration  
To attain a composition for measuring residual chlorine concentration capable of preventing crystallization of a coloring reagent in a chemical solution under temperature conditions of 5° C.,...
US20080261323 Photo-Swichable Surfaces with Controllable Physico-Chemical Properties  
Photochromic materials, such as spiropyran dyes, are disclosed that can be used for high-density optical storage and molecular switches. According to the disclosure these compounds can be used as...
US20150140679 COMPOSITIONS AND METHODS FOR LIQUID MIXING ASSESSMENT  
Compositions include an aqueous solution of an organic dye of molecular weight in the range of about 300 to about 1,000 and a density-enhancing material. An amount of the density-enhancing...
US20070117208 Radiation exposure history indicator  
A radiation exposure history indicator sheet comprises a base material sheet which has a color-changing layer on at least a part of the surface comprising: a polymer compound having a hydroxyl...
US20060078997 Methods for altering surface characteristics of microspheres  
Various methods for altering surface characteristics of a microsphere are provided. One method includes coupling an enolic acid to the microsphere to modify the surface characteristics of the...
US20060211122 Reagents for the measurement of peroxynitrites  
A reagent for measuring peroxynitrite comprising a compound represented by the following general formula (I): wherein R1 represents an amino group, or hydroxy group; R2 represents a...
US20060263897 Nanoparticles for detecting analytes  
The invention relates to a device for detecting an analyte comprising a group that can form a covalent bond with the analyte and a detectable moiety, characterized in that the device is a...
US20060160241 Dual-luminophor compositions and related methods  
A dual-luminophor compositions that include a first luminescent compound having a luminescent emission that is sensitive to oxygen concentration, a second luminescent compound having a luminescent...
US20070190662 Acoustic sensors and methods  
Acoustic sensors, preferably surface acoustic wave sensors, and more preferably shear horizontal surface acoustic wave sensors that include soluble mixed with oligomers and/or polymers formed from...
US20080118987 Microfluidic Device for Identification, Quantification, and Authentication of Latent Markers  
Devices and methods for identification, authentication, and quantification of one or more covert markers in a material are disclosed. A device includes a microfluidic cell, a liquid transfer...
US20080286880 Methods and Systems for Nanoparticle Enhancement of Signals  
Methods and systems for utilizing metal nanoparticles to enhance optical (UV, visible, and IR, as appropriate) signals from a reporting entity are presented. The methods and systems of this...
US20070128732 Scintillator composition for a radioassay, and method for its use  
A medium for a scintillation assay includes a fluorescent Coumarin dye, typically having a Stokes shift of at least 50 nm and a fluorescence in the range of 460-500 nm. The composition may further...
US20090004753 LABELING REAGENTS AND METHODS OF THEIR USE  
The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula:...
US20090155923 Photometric Measuring Method for a Sample Liquid, A Photometric Measuring Device, and a Mixing Container for a Photometric Measuring Device  
The invention relates to a mixing container (1) for a photometric measuring device, comprising a closing element (2) that can be removed from a filling hole (3) and a first liquid (5) which is...
US20050266579 Assay system with in situ formation of diazo reagent  
A total bilirubin diazo assay is disclosed in which an acidic solution containing a primary aryl amine is combined directly with a nitrite-containing sample solution at approximately neutral pH,...
US20050233468 Method of local rheological measurement by fluorescent microscopy and a new fluorescent probe for polyacrylamide polymer molecules  
The present invention is directed to a complex comprising of a polymer and a fluorescent probe, a method for its preparation and use thereof for measuring dynamics of single molecules in a...
US20110262906 MICROFLUIDIC MULTIPLEXED CELLULAR AND MOLECULAR ANALYSIS DEVICE AND METHOD  
A sequential flow analysis tool comprising a microti iridic device having a fluid path defined within a substrate between an input and an output is described. The device includes a capture chamber...
US20060073607 Organic materials able to detect analytes  
The present invention generally relates to polymers with lasing characteristics that allow the polymers to be useful in detecting analytes. In one aspect, the polymer, upon an interaction with an...
US20050009194 Analytical method and device for determining metal concentration in liquid hydrocarbon matrices  
The invention provides a method and a system for detecting metal concentrations, such as manganese, in liquid hydrocarbon matrices.
US20100081213 CENTRIFUGAL-BASED MICROFLUIDIC APPARATUS, METHOD OF FABRICATING THE SAME, AND METHOD OF TESTING SAMPLES USING THE MICROFLUIDIC APPARATUS  
Provided is a microfluidic apparatus including: a microfluidic structure for providing spaces for receiving a fluid and for forming channels, through which the fluid flows; and valves for...
US20120231550 APPARATUS AND METHOD FOR PRECONCENTRATING AND TRANSFERRING ANALYTES FROM SURFACES AND MEASUREMENT THEREOF USING SPECTROSCOPY  
A system and method for capturing a target analyte in advance of performing spectroscopic analysis to determine the existence of the target analyte from a source contacted with a collection...

Matches 1 - 50 out of 77 1 2 >