Patent application number | Description | Published |
20080215122 | PLASMONIC ENGINEERING OF SINGLET OXYGEN AND/OR SUPEROXIDE GENERATION - The present invention provides for a method to increase the triplet yield of a photosensitizer by the coupling to metal surface plasmons which leads to increased singlet oxygen generation by electric field enhancement or enhanced energy absorption of the photosensitizer. The extent of singlet oxygen enhancement can be tuned for applications in singlet oxygen based clinical therapy by modifying plasmon coupling parameters, such as metallic nanoparticle size and shape, photosensitizer/metallic nanoparticle distance, and the excitation wavelength of the coupling photosensitizer. | 09-04-2008 |
20090004461 | Metal-Enhanced Fluorescence from Plastic Substrates - The present invention relates to methods for functionally modifying a polymeric surface for subsequent deposition of metallic particles and/or films, wherein the polymeric surface is modified by increasing hydroxyl and/or amine functional groups thereby providing an activated polymeric surface for deposition of metallic particles to form a fluorescence sensing device. The device can be used for metal-enhanced fluorescence of fluorophores positioned above the metallic particles that can be readily applied to diagnostic or sensing applications of metal-enhanced fluorescence. | 01-01-2009 |
20090022766 | METAL-ENHANCED FLUORESCENCE NANOPARTICLES - The present invention relates to nanoparticles comprising a metallic core with a surface coating, wherein the coating comprises at least an excitable radiative molecule attached thereto or impregnated therein, and wherein the excitable molecule is positioned at a sufficient distance from metallic core to enhance emissions when excited. The nanoparticles are included in compositions that may be used for surface coatings, cosmetics, assays, flow velocity measurements and targeting of tissue. | 01-22-2009 |
20090142847 | METAL ENHANCED FLUORESCENCE-BASED SENSING METHODS - The present invention relates to metallic-surface detection systems for determining target substances including free bilirubin in neonatal serum in the presence of a predominantly high background of bilirubin bound Human Serum Albumin (HSA) or sensing and isolating target nucleotide sequences wherein a fluorescence signal is enhanced by close proximity of the target substances near metallic surfaces. | 06-04-2009 |
20090325199 | NANOSTRUCTURES FOR POLARIZED IMAGING AND RECEPTOR/LIGAN QUANTIZATION: BREAKING THE DIFFRACTION LIMIT FOR IMAGING - The present invention relates to affinity biosensing using polarization of light scattering of aggregated noble metallic nanostructures to determine concentration of an analyte in a test sample. This new sensing system utilizes the changes in polarized plasmonic scattering from nanostructures as the nanostructures aggregate due to binding of the analyte to a binding partner attached to the surface of the metallic nanostructure. | 12-31-2009 |
20100003695 | MICROWAVE TRIGGER METAL-ENHANCED CHEMILUMINESCENCE (MT MEC) AND SPATIAL AND TEMPORAL CONTROL OF SAME - The present invention relates to a method of imaging structures and features using plasmonic emissions from metallic surfaces caused by chemiluminescence based chemical and biological reactions wherein imaging of the reactions is enhanced by the use of microwave energy and further enhanced by using metallic geometric structures for spatially and temporally controlling the biological and chemical reactions. | 01-07-2010 |
20100028983 | MICROWAVE ACCELERATED ASSAYS - The present invention provides for increasing fluorescence detection in surface assay systems while increasing kinetics of a bioreaction therein by providing low-power microwaves to irradiate metallic materials within the system in an amount sufficient to increase heat thereby affecting the kinetics of a bioreaction therein. | 02-04-2010 |
20100062545 | BIOASSAYS USING PLASMONIC SCATTERING FROM NOBLE METAL NANOSTRUCTURES - The present invention relates to detecting and/or measuring scattering effects due to the aggregating metallic nanostructures or the interaction of plasmonic emissions from approaching metallic nanoparticles. The scattering effects may be measured at different angles, different wavelengths, changes in absorption and/or changes in polarization relative to changes in the distances between nanoparticles. | 03-11-2010 |
20100209937 | FLUORESCENCE MICROSCOPE IN A MICROWAVE CAVITY - The present invention relates to an optical imaging system communicatively connected to a microwave energy producing source wherein the combination provides for increases in chemical reaction times and the ability to monitor the reactions in real time with sufficient resolution to view the location of intracellular components labeled with luminescent molecules as well as interaction with other biomolecules and responses to localized environmental variables in living cells and tissues during the application of a microwave field. | 08-19-2010 |
20100297016 | QUARTERNARY NITROGEN HETEROCYCLIC COMPOUNDS FOR DETECTING AQUEOUS MONOSACCHARIDES IN PHYSIOLOGICAL FLUIDS - Quaternary nitrogen heterocyclic boronic acid-containing compounds are described, which are sensitive to glucose and fructose, as well as a variety of other physiologically important analytes, such as aqueous chloride and iodide, and a method of using the compounds. Also disclosed is a contact lens doped with the quaternary nitrogen heterocyclic boronic acid-containing compound, and a method of using the doped contact lens to measure the concentration of analyte in tears under physiological conditions. | 11-25-2010 |
20110020946 | CONVERSION OF JUST-CONTINUOUS METALLIC FILMS TO LARGE PARTICULATE SUBSTRATES FOR METAL-ENHANCED FLUORESCENCE - The present invention relates to a method of producing silver films having large nanoparticles caused by cracking during anaerobic annealing to provide surfaces that exhibit increased metal enhanced fluorescence. Preferably the annealing process is conducted on a silver film having a thickness from about 14 to 17 nm for about an hour at a temperature of approximately 190° C. to about 210° C. resulting in the conversion of the just-continuous films into large particulate films, not readily assessable by other chemical deposition techniques. | 01-27-2011 |
20110207236 | SONICATION-ASSISTED METAL-ENHANCED FLUORESCENCE (SAMEF)-BASED BIOASSAYS - The present invention provides for sonication-assisted metal-enhanced fluorescence, luminescence, and/or chemiluminescence assay systems using low-intensity ultrasound waves to significantly reduce the assay time by increasing the kinetic movement of molecules within the system. | 08-25-2011 |
20110294997 | METAL ENHANCED FLUORESCENCE-BASED SENSING METHODS - The present invention relates to metallic-surface detection systems for determining target substances including free bilirubin in neonatal serum in the presence of a predominantly high background of bilirubin bound Human Serum Albumin (HSA) or sensing and isolating target nucleotide sequences wherein a fluorescence signal is enhanced by close proximity of the target substances near metallic surfaces. | 12-01-2011 |
20120021443 | DIRECTIONAL SURFACE PLASMON COUPLED FLUORESCENCE AND CHEMILUMINESCENCE FROM THIN FILMS OF NICKEL, IRON OR PALLADIUM AND USES THEREOF - Nickel, iron and palladium thin films thermally evaporated onto glass supports are used to demonstrate surface plasmon coupled fluorescence (SPCF) and surface plasmon couple chemiluminescence (SPCC) over a broad wavelength range (400-800 nm) for potential assays or other detection systems. Nickel, iron and palladium thin films used in SPCF and SPCC convert otherwise isotropic emission into highly directional and polarized emission, an attractive concept for surface assays. The emission angles of detected emissions occur over a 10 degree range for tested emitted wavelengths. | 01-26-2012 |
20120028270 | METAL-ENHANCED BIOLUMINESCENCE: AN APPROACH FOR MONITORING BIOLOGICAL BIOLUMINESCENT PROCESSES - The present invention relates to surface plasmon-coupled bioluminescence, wherein bioluminescent emission from a bioluminescent chemical reaction couples to surface plasmons in metallized particles thereby enhancing the signal. Importantly, these plasmonic emissions emitted from metallic particles generated without an external excitation source but instead from induced electronically excited states caused by the bioluminescent chemical reaction. | 02-02-2012 |
20120028849 | MICROWAVE ACCELERATED ASSAYS - The present invention provides for increasing fluorescence detection in surface assay systems while increasing kinetics of a bioreaction therein by providing low-power microwaves to irradiate metallic materials within the system in an amount sufficient to increase heat thereby affecting the kinetics of a bioreaction therein. | 02-02-2012 |
20120063955 | METAL-ENHANCED FLUORESCENCE FROM PLASTIC SUBSTRATES - The present invention relates to methods for functionally modifying a polymeric surface for subsequent deposition of metallic particles and/or films, wherein the polymeric surface is modified by increasing hydroxyl and/or amine functional groups thereby providing an activated polymeric surface for deposition of metallic particles to form a fluorescence sensing device. The device can be used for metal-enhanced fluorescence of fluorophores positioned above the metallic particles that can be readily applied to diagnostic or sensing applications of metal-enhanced fluorescence. | 03-15-2012 |
20120091349 | PLASMONIC ELECTRICITY - The present invention relates to detection systems and methods that detect fluorescence, luminescence, chemiluminescence or phosphorescence signatures in the form of an electrical signal conducted and emitted from metallic containing surfaces. Thus, the present invention provides for detecting fluorescence digitally and directly without the need for expensive detectors. | 04-19-2012 |
20120107952 | MICROWAVE-ACCELERATED PLASMONICS - The present invention relates to systems and methods using microwave accelerated surface plasmonics for the detection of target species, wherein the system has a metallic surface and the system is exposed to microwave energy for increasing detection time and/or the reaction kinetics of the target species and other interacting participants in the system and wherein plasmonic emissions from the metallic surface alone or coupled with emissions from a luminescing entity are detected. | 05-03-2012 |
20120122240 | BIOASSAYS USING PLASMONIC SCATTERING FROM NOBLE METAL NANOSTRUCTURES - The present invention relates to detecting and/or measuring scattering effects due to the aggregating metallic nanostructures or the interaction of plasmonic emissions from approaching metallic nanoparticles. The scattering effects may be measured at different angles, different wavelengths, changes in absorption and/or changes in polarization relative to changes in the distances between nanoparticles. | 05-17-2012 |
20120142552 | HIGH-SENSITIVITY ASSAYS FOR PATHOGEN DETECTION USING METAL-ENHANCED FLUORESCENCE - The present invention relates to an assay including a surface having silver colloids or islands attached thereto. Attached to the surface and/or silver colloids/islands are polynucleotides which are complimentary to a target polynucleotide sequence. The assay is performed by adding the target polynucleotide sequence to the assay surface and allowed to hybridize with the capture polynucleotides. Fluorophore-labeled capture polynucleotides are added and hybridize to the target polynucleotide. Bound target polynucleotides are detected by metal enhanced fluorescence. | 06-07-2012 |
20120238035 | MULTICOLOR MICROWAVE-ACCELERATED METAL-ENHANCED FLUORESCENCE (M-MAMEF) - The present invention relates to the use of multiple different light emitting molecules that emit different and detectable emission signals to provide systems and methods to detect different target products in a single assay sample, wherein the different light emitting molecules are positioned an optimal distance from metallic particles thereby enhancing emissions. Preferably, the systems and methods further comprise use of either microwave or sonic energy to increase binding reactions, timing of such reactions within the assay sample and reduce background non-specific biological absorption. | 09-20-2012 |
20120282630 | 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 for enhancing fluorescence signatures. Further, metal surface plasmons can couple and such diphase coupled luminescence signatures create extra plasmon absorption bands. The extra bands allow for a broad range of fluorophores to couple therefore making more generic substrates with wider reaching applications. | 11-08-2012 |
20130020503 | METAL ENHANCED FLUORESCENCE FROM METALLIC NANOBURGER STRUCTURES - The present invention provides for metallic nanostructures or nanoburgers comprising a dielectric layer positioned between metallic layers and their use in metal enhanced emissions systems to enhance emissions from fluorophores, including intrinsic and extrinsic; luminophores; bioluminescent species and/or chemiluminescent species. The multilayer nanoburgers exhibit several distinctive properties including significantly enhanced intensity of emissions, decreased lifetime and increased photostability by simply varying the thickness of the dielectric layer while maintaining a constant thickness of the two metallic layers on opposite sides of the dielectric layer. | 01-24-2013 |
20130059316 | PLASMONIC ELECTRICITY - The present invention relates to detection systems and methods that detect fluorescence, luminescence, chemiluminescence or phosphorescence signatures in the form of an electrical signal conducted and emitted from metallic containing surfaces. Thus, the present invention provides for detecting fluorescence digitally and directly without the need for expensive detectors. | 03-07-2013 |
20130084628 | MICROWAVE ACCELERATED ASSAYS - The present invention provides for increasing fluorescence detection in surface assay systems while increasing kinetics of a bioreaction therein by providing low-power microwaves to irradiate metallic materials within the system in an amount sufficient to increase heat thereby affecting the kinetics of a bioreaction therein. | 04-04-2013 |
20130102770 | METAL ENHANCED FLUORESCENCE-BASED SENSING METHODS - The present invention relates to metallic-surface detection systems for determining target substances including free bilirubin in neonatal serum in the presence of a predominantly high background of bilirubin bound Human Serum Albumin (HSA) or sensing and isolating target nucleotide sequences wherein a fluorescence signal is enhanced by close proximity of the target substances near metallic surfaces. | 04-25-2013 |
20130115710 | TUNING OF METAL ENHANCED EMISSIONS OF LONG-LIVED LUMINESCENT COMPOUNDS - The present invention provides for the surface plasmon-enhancement of long lived luminescent compounds, thereby providing for methods and systems having enhanced and controllable rates of the radiative emission of such relaxation of long lived luminescent compounds. The present invention achieves acceleration of the radiative processes by the interaction of the long lived luminescent compounds with surface plasmons of the metal surfaces. | 05-09-2013 |
20130137167 | MICROWAVE TRIGGER METAL-ENHANCED CHEMILUMINESCENCE (MT MEC) AND SPATIAL AND TEMPORAL CONTROL OF SAME - The present invention relates to a method of imaging structures and features using plasmonic emissions from metallic surfaces caused by chemiluminescence based chemical and biological reactions wherein imaging of the reactions is enhanced by the use of microwave energy and further enhanced by using metallic geometric structures for spatially and temporally controlling the biological and chemical reactions. | 05-30-2013 |
20130156938 | ENHANCED LUMINESCENCE FROM NANOPOLISHED SURFACES AND PLATE WELLS - The present invention relates to a method for fabricating a new silver coating/nanoparticle scaffold that significantly enhances the luminescence of near-field fluorophores via the metal enhanced fluorescence phenomenon. The silver coating/nanoparticle scaffold can be used for numerous applications in metal-enhanced fluorescence. | 06-20-2013 |
20130210158 | QUATERNARY NITROGEN HETEROCYCLIC COMPOUNDS FOR DETECTING AQUEOUS MONOSACCHARIDES IN PHYSIOLOGICAL FLUIDS - Quaternary nitrogen heterocyclic boronic acid-containing compounds are described, which are sensitive to glucose and fructose, as well as a variety of other physiologically important analytes, such as aqueous chloride and iodide, and a method of using the compounds. Also disclosed is a contact lens doped with the quaternary nitrogen heterocyclic boronic acid-containing compound, and a method of using the doped contact lens to measure the concentration of analyte in tears under physiological conditions. | 08-15-2013 |
20130216435 | FLUORESCENCE MICROSCOPE IN MICROWAVE CAVITY - The present invention relates to an optical imaging system communicatively connected to a microwave energy producing source wherein the combination provides for increases in chemical reaction times and the ability to monitor the reactions in real time with sufficient resolution to view the location of intracellular components labeled with luminescent molecules as well as interaction with other biomolecules and responses to localized environmental variables in living cells and tissues during the application of a microwave field. | 08-22-2013 |
20140030700 | ASSAYS FOR PATHOGEN DETECTION USING MICROWAVES FOR LYSING AND ACCELERATING METAL-ENHANCED FLUORESCENCE - The present invention relates to an assay for the determination of a microorganism including a lysing chamber having triangular shaped metallic structures wherein the apexes of two triangles are arranged in alignment and forming a reactive zone for placement of the microorganism and lysing by microwave energy for exposing and isolating a target polynucleotide sequence. The isolated target polynucleotide sequence is introduced to an assay system for contact with polynucleotides which are complimentary to the isolated target polynucleotide sequence. Fluorophore-labeled capture polynucleotides are added for hybridizing to any bound target polynucleotide. Bound target polynucleotides are detected by metal enhanced fluorescence. | 01-30-2014 |
20140206075 | VOLTAGE GATED METAL-ENHANCED FLUORESCENCE, CHEMILUMINESCENCE OR BIOLUMINESCENCE METHODS AND SYSTEMS - In the present invention, it is demonstrated for the first time, the influence of electrical current on the ability of surface plasmons to amplify fluorescence signatures. An applied direct current across silver island films (SiFs) of low electrical resistance perturbs the fluorescence enhancement of close-proximity fluorophores. For a given applied current, surface plasmons in “just-continuous” low resistance films are sparsely available for fluorophore dipole coupling and hence the enhanced fluorescence is gated as a function of the applied current. | 07-24-2014 |
20140242604 | ULTRA-FAST PATHOGEN TOXIN DETECTION ASSAY BASED ON MICROWAVE-ACCELERATED METAL-ENHANCED FLUORESCENCE - The present invention provides for a system and method to detect low levels of the anthrax protective antigen (PA) exotoxin in biological fluids, wherein the system uses a metal-enhanced fluorescence (MEF)-PA assay in combination with microwave-accelerated PA protein surface absorption. Microwave irradiation rapidly accelerates PA deposition onto the surface adjacent to deposited metallic particles and significantly speeding up the MEF-PA assay and resulting in a total assay run time of less than 40 min with an analytical sensitivity of less than 1 pg/ml PA. | 08-28-2014 |
20140256059 | MULTICOLOR MICROWAVE-ACCELERATED METAL-ENHANCED FLUORESCENCE (M-MAMEF) - The present invention relates to the use of multiple different light emitting molecules that emit different and detectable emission signals to provide systems and methods to detect different target products in a single assay sample, wherein the different light emitting molecules are positioned an optimal distance from metallic particles thereby enhancing emissions. Preferably, the systems and methods further comprise use of either microwave or sonic energy to increase binding reactions, timing of such reactions within the assay sample and reduce background non-specific biological absorption. | 09-11-2014 |
20140287224 | METAL ENHANCED FLUORESCENCE FROM METALLIC NANOBURGER STRUCTURES - The present invention provides for metallic nanostructures or nanoburgers comprising a dielectric layer positioned between metallic layers and their use in metal enhanced emissions systems to enhance emissions from fluorophores, including intrinsic and extrinsic; luminophores; bioluminescent species and/or chemiluminescent species. The multilayer nanoburgers exhibit several distinctive properties including significantly enhanced intensity of emissions, decreased lifetime and increased photostability by simply varying the thickness of the dielectric layer while maintaining a constant thickness of the two metallic layers on opposite sides of the dielectric layer. | 09-25-2014 |