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US20140234983 METHOD FOR PRODUCING METALLIC NANOPARTICLES FUNCTIONALIZED WITH FLUORESCENT ORGANIC MOLECULES  
The present invention relates to a method of obtaining metal nanoparticles functionalized with fluorescent organic molecules by means of the treatment of one or more metal salts with a reducing...
US20130252275 DEVICE AND METHOD UTILIZING A METALLIC NANOPARTICLE ASSEMBLY STRUCTURE FOR DETECTING A TARGET SUBSTANCE  
Disclosed is a device and method allowing a trace amount of a target substance to be detected. A metallic nanoparticle assembly structure is formed of metallic nanoparticles assembled together and...
US20140170070 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...
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...
US20080164212 Method for Determining and Controlling the Formation of Deposits In a Water System  
The invention relates to a method for determining and controlling inorganic and/or organic deposits in a water system, preferably a paper and/or board machine re-circulation system. According to...
US20140113382 PLASMONIC JUNCTIONS FOR SURFACE-ENHANCED SPECTROSCOPY  
The invention relates to the use of a construct for the detection of an analyte using surface enhanced spectroscopic techniques. The construct includes linked surfaces, where the link is formed by...
US20100330703 ASSAYS INVOLVING COLORIMETRIC AND OTHER SIGNALING  
The present invention generally relates to particles and, in particular, to methods of determining binding involving particles, e.g., using colorimetric and other signaling techniques. In one...
US20130017619 ANIONIC SURFACTANT DETECTION  
Disclosed herein are methods for the detection and/or quantification of anionic surfactants. Also disclosed herein are test kits, which utilize the disclosed methods, to estimate the anionic...
US20110097815 ANIONIC SURFACTANT DETECTION  
Disclosed herein are methods for the detection and/or quantification of anionic surfactants. Also disclosed herein are test kits, which utilize the disclosed methods, to estimate the anionic...
US20120100629 Device For Investigating Chemical Interactions And Process Utilizing Such Device  
The invention relates to a device for investigating reactions between interactive species, said device comprising: one or more plasma deposited layers, which layers comprise one or more first...
US20070037291 Method for diagnosing and identifying contaminants  
An effective and reliable automated FT-IR method for diagnosing and identifying differences in composition of chemical samples as compared to corresponding standards.
US20130109105 INFRARED EMISSION SPECTROSCOPY OF SAMPLES WITH TIME DEPENDENT INFRARED EMISSION  
The present invention relates to carrying out infrared emission spectroscopic measurements using a sample directly or a substrate, on which a sample is placed, coated, spun-on, deposited or in...
US20140057362 LATERAL FLOW ASSAY ANALYSIS  
Lateral flow assay analysis is shown and described. In one embodiment, the lateral flow assay comprises a surface having a reflectance profile that is adapted to enable monitoring of the assay...
US20060234388 Spectrophotometric Measurements of pH in-situ  
Automated in-situ instrumentation has been developed for sensitive, precise and accurate measurements of a variety of analytes in natural waters. In this work we describe the use of ‘SEAS’...
US20110274774 SYSTEM AND METHOD FOR ASSESSING TRADITIONAL MEDICINES  
Methods of defining a standard for a traditional medicine are provided. A method can comprise obtaining at least two samples of the traditional medicine that have been authenticated by qualitative...
US20080135490 Quantum dot biolabeling and immunomagnetic separation for detection of contaminants  
Methods are provided for detecting, separating, isolating and quantifying contaminants in starting materials by separating the contaminant from the starting material using a bead coupled to an...
US20080014654 Efficient fluorimetric analyzer for single-walled carbon nanotubes  
The present invention is directed toward methods and devices for analyzing populations of single-wall carbon nanotubes (SWNTs) on the basis of their fluorescence properties and the comparison of...
US20100291701 CYANIDE AND RELATED SPECIES DETECTION WITH METAL SURFACES  
An assay method and kit for detecting a chemical. The method and kit utilize a metal surface capable of surface enhanced Raman Scattering. The metal surface may be provided in the form of one or...
US20050239211 Concentration method and apparatus of preparing a liquid specimen for a trace element analysis system  
The present invention provides a concentration method and apparatus for preparing a liquid specimen for a trace element analysis system. A holder positions a thin film that is prepared to have a...
US20050037513 PCB sampler  
The apparatus includes a laser to vaporize or break down an analyte desired to be measured (e.g. PCB or PCB like compounds) in a surface area. The analyte is vaporized and transported to an...
US20070128733 Two-color (two-photon) excitation with focused excitation beams and a raman shifter  
Two-color (two-photon) excitation with two confocal excitation beams is demonstrated with a Raman shifter as excitation light source. Two-color excitation fluorescence is obtained from Coumarin 6H...
US20090311798 SE(R)RS DISPLACEMENT ASSAY  
A detection method is described for detecting an analyte, in particular nucleic acids, in a sample using SE(R)RS, without the need for labeling of the analyte. The detection method is based on the...
US20130130400 INCREASING THE USABLE DYNAMIC RANGE IN PHOTOMETRY  
An optical device for determining the presence and/or concentration of analytes in a sample is presented. The optical device comprises a detector and a detection unit comprising optical path...
US20110300567 METHOD FOR DETERMINING REDOX ACTIVITY AND SCREENING COMPOUNDS BASED ON REDOX ACTIVITY  
A method for identifying the redox activity of a subject compound is disclosed. The method can be performed aerobically and can include forming a mixture comprising a free-radical precursor and a...
US20080014653 Spectral analysis system utilizing water vapor plasma  
A system and method for analysis of minute quantities of contaminants in water. Liquid water is converted to water vapor and then excited into a plasma state with microwave radiation. Optical...
US20120282630 MIXED-METAL SUBSTRATES FOR METAL-ENHANCED FLUORESCENCE  
The present invention provides for mixed metal structures that can be deposited on a substrate or free in solution that exhibit several distinctive properties including a broad wavelength range...
US20080241954 METHODS FOR DETERMINING THE STATUS OF COPD IN HUMANS  
A method of determining the status of chronic obstructive pulmonary disease (COPD) of a human that includes the steps of performing a spectral analysis of a sputum sample collected from the human;...
US20130330710 SILK BASED BIOPHOTONIC SENSORS  
The present disclosure relates to biophotonic sensors. An example of a biophotonic sensor may be an apparatus for analyzing a sample. The apparatus may include a substrate, aperiodic...
US20050032235 Method of monitoring the blending of a mixture  
The present invention relates to a method of monitoring the blending of at least two blendable components to yield a mixture.
US20080286774 Real-time individualized therapy evaluation  
A method of individually optimizing drug therapy to a patient that includes the steps of administering a dose of a radiolabeled drug or fluorescent tags or drugs with inherent fluorescent...
US20120115239 VAPOCHROMIC COORDINATION POLYMERS FOR USE IN ANALYTE DETECTION  
Vapochromic coordination polymers useful for analyte detection are provided. The vapochromism may be observed by visible color changes, changes in luminescence, and/or spectroscopic changes in the...
US20110300638 Ion Mobility Spectrometers  
An ion mobility spectrometer has a reaction region separated from a drift region by an electrostatic gate. A doping circuit supplies a dopant to the reaction region but the drift region is...
US20100129926 COPD DETERMINATION  
There is provided a method of determining the status of chronic obstructive pulmonary disease (COPD) of a human. The method comprises (a) performing a spectral analysis of a sample collected from...
US20080254469 Method for Regenerating Hydrophilic and Osteophilic Surface of an Implant  
Described herein are methods for testing an aged surface on an implant, methods for regenerating a hydrophilic and osteophilic surface on the implant and kits therefor.
US20110151586 POLYMER ENCAPSULATED PARTICLES AS SURFACE ENHANCED RAMAN SCATTERING PROBES  
The present invention refers to a Raman active composite material comprising a metal particle; a coating layer of a Raman active molecule bound to the metal particle; and an encapsulating layer of...
US20060234389 System and Method for Spectrophotometric Measurement of Total Alkalinity Using a Liquid Core Waveguide  
A system and method for spectrophotometrically measuring the total alkalinity of a liquid sample. In a particular aspect, the method involves equilibration of a CO2 gas with a sample solution...
US20050130316 Stress measuring method and stress measuring deviced  
The stress measuring method of the present claimed invention includes an external force impressing process that applies an external force to a specimen, an electron beam irradiating process that...
US20100221843 Device for Investigating Chemical Interactions and Process Utilizing Such Device  
The invention relates to a device for investigating reactions between interactive species, said device comprising: one or more plasma deposited layers, which layers comprise one or more first...
US20100330692 AMMONIA DETECTION AND MEASUREMENT DEVICE  
There is disclosed an apparatus and method for detecting and measuring volatile acidic or basic components including ammonia, ammonium, or volatile amines (compound) in a gas or liquid state...
US20110256578 Detection method using nanoaggregate-embedded beads and system thereof  
The invention discloses a detection method using nanoaggregate-embedded beads and system thereof, which are characterized in that the nanoaggregate of Raman dye and metal nanoparticles is coated...
US20120135536 Method and Apparatus for Detecting and Quantifying a Chemical Substance Employing an Optical Transmission Property of Metallic Islands on a Transparent Substrate  
A sensor for use in detecting and analyzing predetermined chemical substances is presented. The sensor comprises: a first structure configured for binding to a certain substance and comprising a...
US20100075361 METHODS OF GENERATING FLORESCENCE RESONANCE ENERGY TRANSFER (FRET) BETWEEN SEMICONDUCTOR QUANTUM DOTS AND FLUORESCENT DYES/PROTEINS VIA MULTI-PHOTON EXCITATION, ACHIEVING ZERO BACKGROUND OR DIRECT EXCITATION CONTRIBUTIONS TO THE FRET SIGNATURE  
A system and method of sensing physiological conditions in biological applications includes a laser source for optically exciting a plurality of luminescent quantum dots and a plurality of...
US20100226935 SYSTEM AND METHOD FOR ASSESSING TRADITIONAL MEDICINES  
Methods of defining a standard for a traditional medicine are provided. A method can comprise obtaining at least two samples of the traditional medicine that have been authenticated by qualitative...
US20070254377 Nano-enhanced raman spectroscopy substrate packaging structure  
Packaged NERS-active structures are disclosed that include a NERS substrate having a NERS-active structure thereon, and a packaging substrate over the NERS substrate having an opening...
US20070082409 Method and apparatus for measuring cartilage condition biomarkers  
In a method for measuring cartilage condition biological markers, a surface-enhanced Raman spectroscopy (SERS) substrate is irradiated using a light source, the SERS substrate having deposited...
US20050266583 Method for quantitative surface-enhanced raman spectroscopy using a chemical reference  
A method for obtaining quantitative surface-enhanced Raman (SER) spectra that corrects for deficiencies of, and variations in, the materials and devices employed, especially the SER-active media...
US20070184557 Optical sensor using functionalized composite materials  
The invention relates to a method for sensing the presence of at least one analyte in a medium, comprising disposing in the medium a functionalized composite material such that the at least one...
US20100022020 Compositions for surface enhanced infrared absorption spectra and methods of using same  
A composition comprising a substrate and at least one adsorbate associated with the substrate wherein the composition has an enhanced infrared absorption spectra. A method comprising tuning a...
US20050032231 Identifying component groups with independent component analysis of chromatographicdata  
A system for analyzing a mixture of chemical components. First, a liquid or gas chromatograph produces samples of the mixture. The samples include overlapping components. A spectrometer measures...
US20090209865 Optical analyzer  
An optical analyzer performing analysis excellent in spatial resolution and in invasion depth is provided. The analyzer includes a diagnostic light source section including a seed light source...

Matches 1 - 50 out of 92 1 2 >