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Fluorescent Dye patents



      
           
This page is updated frequently with new Fluorescent Dye-related patent applications. Subscribe to the Fluorescent Dye RSS feed to automatically get the update: related Fluorescent RSS feeds. RSS updates for this page: Fluorescent Dye RSS RSS


Hybrid photonic crystal fiber, and method for manufacturing same

Date/App# patent app List of recent Fluorescent Dye-related patents
07/17/14
20140200100
 Golf ball patent thumbnailGolf ball
In a golf ball having a core and a cover of at least one layer, an outermost layer of the cover is formed to a specific thickness using a resin composition containing a light-harvesting fluorescent dye and a light-reflecting pigment. The golf ball is elegant and highly stylish, and moreover has an excellent visibility..
07/03/14
20140186965
 Methods to dissolve beryllium and its compounds present in samples to facilitate determination of beryllium in these samples patent thumbnailMethods to dissolve beryllium and its compounds present in samples to facilitate determination of beryllium in these samples
A safer, low-cost practical method of dissolving beryllium or a beryllium compound including beryllium oxide in a sample is disclosed. This method discloses use of acidic solutions under mild heating conditions to dissolve beryllium and its compounds.
07/03/14
20140186857
 Fluorescent label for biological substance detection method patent thumbnailFluorescent label for biological substance detection method
The present invention provides a fluorescent label that can be used for carrying out a biological substance detection method for specifically detecting a biological substance from a pathological specimen, by which method, when immunostaining using a fluorescent label and staining for morphological observation using a staining agent for morphological observation are simultaneously performed, the results of fluorescence observation and immunostaining can be assessed properly even if the fluorescent label and/or the staining agent is/are deteriorated by irradiation with an excitation light. The fluorescent label is a fluorescent dye-containing nanoparticle in which the parent material is a cross-linked polymer and the fluorescent dye is an aromatic ring-based dye molecule.
06/26/14
20140178023
 Hybrid photonic crystal fiber, and method for manufacturing same patent thumbnailHybrid photonic crystal fiber, and method for manufacturing same
The present invention relates to a hybrid photonic crystal fiber, into the core of which a functional material is injected. The hybrid photonic crystal fiber of the present invention comprises: a central hole having a diameter of 4 to 15 μm extending in the longitudinal direction; an inner cladding also formed in the longitudinal direction outside the central hole, having a hexagonal arrangement of air holes, each of which has a diameter of 2 to 5 μm and a lattice constant of 4.5 to 7 μm; an annular outer cladding surrounding the outer surface of the inner cladding; and a core formed by filling a functional material in some of the air holes including the central hole.
06/26/14
20140176652
 Phase change ink composition and process for preparing same patent thumbnailPhase change ink composition and process for preparing same
A process for preparing a phase change ink including (a) subjecting a white colorant to acoustic mixing at an acceleration of from about 30 to about 110 g; (b) optionally, adding a dispersant and subjecting the white colorant and dispersant to further acoustic mixing at an acceleration of from about 30 to about 110 g; (c) separately melt mixing an optional antioxidant, an optional synergist, and a phase change ink carrier comprising (i) a branched triamide and (ii) a polyethylene wax, a fischer tropsch wax, or a mixture or combination thereof, to form a melt mixture; (d) adding the melt mixture of (c) to the acoustically mixed white colorant of (a) or (b) with stirring; (e) optionally, adding a fluorescent dye with stirring; and (d) optionally, filtering the phase change ink.. .
06/19/14
20140170772
 Method for measuring amount of analyte and device for spfs patent thumbnailMethod for measuring amount of analyte and device for spfs
[means for solution] the method for measuring the amount of an analyte according to the present invention is characterized in that a lectin labeled with a fluorescent dye, preferably said lectin whose dissociation rate constant [kd] is from 1.0×10−6 to 1.0×10−3 (s−1), is used as a secondary antibody in a sandwich assay using a surface plasmon excitation enhanced fluorescence spectroscopy [spfs; surface plasmon-field enhanced fluorescence spectroscopy].. .
06/12/14
20140161727
 Optical-imaging probe for detecting sentinel lymph nodes which contains a composite of poly-gamma-glutamic acid and an optical-imaging die patent thumbnailOptical-imaging probe for detecting sentinel lymph nodes which contains a composite of poly-gamma-glutamic acid and an optical-imaging die
The present invention relates to an optical imaging probe for detecting a sentinel lymph node, which contains a complex of poly-gamma-glutamic acid and an optical imaging dye, and more particularly to an optical imaging probe for detecting a sentinel lymph node, which contains a poly-gamma-glutamic acid/optical imaging dye complex that, when injected subcutaneously in vivo, remains in the sentinel lymph node for a relatively long period of time and has a low tendency to migrate to other lymph nodes. The present invention provides a poly-gamma-glutamic acid/fluorescent dye complex, which contains no radiopharmaceutical and is harmless to the human body.
05/22/14
20140138579
 Liquid crystal dye mixture patent thumbnailLiquid crystal dye mixture
A guest-host liquid crystal dye mixture comprising a calamatic, thermotropic liquid crystal as host and a dichroic fluorescent dye as guest, characterized in that the dichroic fluorescent dye is a multichromophoric dye containing at least a group with the general formula ry-x1—c1, wherein ry is a chromophore from the rylene family, c1 is a second chromophore and x1 is a spacer that interrupts the conjugation between ry and c1, the spacer x1 is selected such that it introduces rigidity against bending or folding over an axis perpendicular to the length of the molecule.. .
05/15/14
20140134645
 Method of isolating or counting target cells by using photocleavable linker coupled with fluorescent dye patent thumbnailMethod of isolating or counting target cells by using photocleavable linker coupled with fluorescent dye
A method of isolating or counting target cells using photocleavable linkers coupled with fluorescent dyes, for qualitative or quantitative analysis of protein, gene analysis, and/or morphological analysis after removing the dye.. .
05/01/14
20140120628
Near-infrared fluorescent dyes with large stokes shifts
At least one of r1/r2, r2/r3, r3/r4, r5/r6, r6/r7, and/or r7/r8 together forms a substituted or unsubstituted cycloalkyl or aryl.. .
04/24/14
20140114048
Multi-chromophoric quencher constructs for use in high sensitivity energy transfer probes
Dark quencher constructs, termed “multi-chromophoric quenchers” are described herein that comprise at least two dark quenching moieties, which can be the same or different, linked together by at least one multivalent linking moiety. The structure of the multi-chromophoric quenchers can be varied to selectively enhance quenching within a specific range of reporter emission wavelengths, to quench a broader range of reporter emission wavelengths than previously possible, or can combine both concepts.
04/17/14
20140103374
Novel color converter
Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (i) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more ch groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.. .
04/10/14
20140099632
Preparation and use of nucleated red blood cell simulating particles and hematology control mixtures
The present disclosure provides a nucleated red blood cell simulating particle, which may be leukocytes bound to a fluorescent-staining inhibitor capable of stably binding to the nucleus or a nucleic acid in a cell so as to reduce the binding capacity of the particles to a fluorescent dye during their detection. The present disclosure also provides a method for preparing nucleated red blood cell simulating particles, including the following steps: (a) obtaining purified leukocytes; (b) suspending the leukocytes in a cell treatment solution containing a fluorescent-staining inhibitor which stably binds to the nucleus or a nucleic acid in a cell, and (c) washing the obtained product.
04/10/14
20140097358
Method and apparatus for imaging a structure marked with a fluorescent dye
In a method for imaging a structure (33) marked with a fluorescent dye in a sample, the sample is repeatedly scanned in a scanning range (28) with a light intensity distribution localised around a focal point (29) of a focused fluorescence excitation light beam. The light intensity distribution further comprises a focused fluorescence inhibiting light beam (7) whose wave fronts are modulated so that a fluorescence inhibiting light intensity distribution comprises a minimum at the focal point (29) of the fluorescence excitation light beam (4).
03/27/14
20140087956
Novel combination of fluorescent dyes for the detection of nucleic acids
The present invention relates to combinations of fluorescent dyes used in molecular biology, particularly in multiplex pcr. In particular, the present invention relates to a combination of dyes for amplification reactions, wherein at least four different dyes are used, wherein the first dye is 5-fam or 6-fam or a blend thereof, the second dye is selected from the group consisting of dy-530, hex, cal fluor orange 560 and atto 532, the third dye is selected from the group consisting of atto 550, dy-555 and dy-556, the fourth dye is selected from the group consisting of rox, dy-510xl and atto 565, and optionally a fifth dye is selected from the group consisting of dy 632 and dy-520xl..
03/27/14
20140087394
Instrument setup system for a fluorescence analyzer
The present invention reagents and methods for setting up an instruments having a multiplicity of detector channels for analyzing a multiplicity of fluorescent dyes. The present invention is particularly applicable in the field of flow cytometry..
03/20/14
20140081015
Metallation enhancements in tumor-imaging and pdt therapy
A compound in the form of a metallized tetrapyrollic photosensitizer linked to a fluorescent dye where the photosensitizer (ps), is linked by a structure that does not have detrimental radiation emittance or absorbing characteristics, to a fluorophore, usually a cyanine dye (cd). The photosensitizer in accordance the invention is a metallized analog of porphyrins, chlorins, purpurinimides, bacterio pupurinimides, phthalocyanines, expanded porphyrins, benzoporphyrin derivatives and purpurins.
03/20/14
20140080222
Fluorescent dye for ph sensor
The present invention relates to a new type of fluorescent with the following formula (i), its preparation process, and also an optical ph sensor which comprises this fluorescent dye immobilized on an analyte-permeable carrier.. .
03/20/14
20140080170
Fluorescent ion indicators and their applications
Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations.. .
03/06/14
20140063797
Multiple wavelength led array illuminator for fluorescence microscopy
One embodiment provides light along an optical axis. It comprises a substrate and at least one array of multiple led chips without individual packaging supported by the substrate.
02/27/14
20140058225
Optical determination of ph and glucose
Embodiments of the present invention are directed to an optical sensor capable of measuring two analytes simultaneously with a single indicator system. In preferred embodiments, the sensor comprises a fluorescent dye having acid and base forms that facilitate ratiometric ph sensing, wherein the dye is further associated with a glucose binding moiety and configured to generate a signal that varies in intensity with the concentration of glucose..
02/27/14
20140057314
Methods and compositions for detecting microbial production of water-immiscible compounds
Provided herein are methods and compositions useful for detecting the production of compounds in a cell, for example, a microbial cell genetically modified to produce one or more such compounds at greater yield and/or with increased persistence compared to a parent microbial cell that is not genetically modified. In some embodiments, the methods comprise contacting a solution with a fluorescent dye that directly binds the recombinantly produced compound, wherein the solution comprises a plurality of cells recombinantly producing the compound; and detecting the fluorescent dye under spectral conditions suitable for the selective detection of the fluorescent dye bound to the recombinantly produced compound..
02/20/14
20140051071
Blood analyzer, blood analysis method, and computer program product
A blood analyzer, a blood analysis method, and a computer program that can distinguishably detect abnormal lymphocytes from blasts and atypical lymphocytes are provided. A blood analyzer (1) prepares a measurement sample by mixing a first reagent containing a hemolyzing agent, a second reagent containing a fluorescent dye for staining nucleic acid, and a blood specimen in a sample preparation portion (22).
02/06/14
20140039166
Silica nanoparticle for diagnostic imaging, method for producing the same, and biosubstance labeling agent
A silica nanoparticle for diagnostic imaging that may be capable of use for x-ray ct, fluorescent imaging, or the like, and have high emission intensity. A method for producing such a silica nanoparticle for diagnostic imaging is provided.
01/30/14
20140030821
Localized plasmon enhancing fluorescence particles, localized plasmon enhanced fluorescence detecting carrier, localized plasmon enhanced fluorescence detecting apparatus, and fluorescence detecting method
Enhancing fluorescent particles constituted by a plurality of fine metal particles and a plurality of fluorescent dye molecules dispersed and enveloped in a light transmitting dielectric material are employed. Here, the particle size of the fine metal particles is greater than 10 nm and 40 nm or less, and the volume within the enhancing fluorescent particles occupied by the fine metal particles is within a range from 5% to 40%..
01/30/14
20140027646
Plastic scintillator with effective pulse shape discrimination for neutron and gamma detection
In one embodiment, a scintillator material includes a polymer matrix; and a primary dye in the polymer matrix, the primary dye being a fluorescent dye, the primary dye being present in an amount of 5 wt % or more; wherein the scintillator material exhibits an optical response signature for neutrons that is different than an optical response signature for gamma rays. In another embodiment, a scintillator material includes a polymer matrix; and a primary dye in the polymer matrix, the primary dye being a fluorescent dye, the primary dye being present in an amount greater than 10 wt %..
01/23/14
20140024022
Cell treatment solution and method of preparing stained cell suspension for a measurement of nuclear dna by flow cytometry
A cell treatment solution and a method that is used for preparing a stained cell suspension that is provided to a measurement of nuclear dna by flow cytometry. The cell treatment solution may include a surfactant, rnase, and a fluorescent dye.
01/16/14
20140015637
Virtual vehicle entry keypad and method of use thereof
Keypad indicia are integral with a window of a vehicle. The keypad indicia are formed using a ultra-violet (uv) fluorescent dye that is nearly invisible to a human eye until exposed to uv light.
01/09/14
20140011208
Xanthene dyes comprising a sulfonamide group
The present invention relates to fluorescent dyes in general. The present invention provides a wide range of fluorescent dyes and kits containing the same, which are applicable for labeling a variety of biomolecules, cells and microorganisms.
01/02/14
20140005073
Method and apparatus for analyzing nucleic acid by compensating for crosstalk in polymerase chain reaction data and other data
A method of analyzing nucleic acid by compensating for crosstalk in polymerase chain reaction (pcr) data and other data, wherein crosstalk signals associated with multiple fluorescent dyes are corrected by using fluorescent intensity variations detected from a concentration difference of the fluorescent dyes, and apparatus for performing the method.. .
12/26/13
20130341528
Matrix-incorporated fluorescent silica with on/off functionality for anti-counterfeiting
A fluorescent material includes a silica matrix, and a fluorescent dye compound covalently bonded to the silica matrix. The fluorescent dye compound may have first and second absorption wavelengths and an emission wavelength.
12/19/13
20130337483
Systems and methods for feedstock quality assessment
Assessing quality of feedstock is provided and may be useful for determining quality of feed (such as corn kernels). The assessment determines endogenous enzyme activity within the feedstock, which correlates with total ethanol yields in raw starch hydrolysis (non-cooked) systems.
12/19/13
20130336896
Switching-type fluorescent nanoparticle probe, and fluorescent molecular imaging method using same
And a polylactic acid group having 5 to 50 lactic acid units, and two or more molecules of the fluorescent dye are encapsulated in the single molecular assembly.. .
12/12/13
20130330274
Compositions and methods for detecting and treating cancer
Macrophages within the tumor microenvironment, also called tumor associated macrophages (tams) have been shown to play a major role in the growth and spread of many types of cancer. Cancer cells produce cytokines that cause the macrophages to differentiate into an m2 subtype.
11/28/13
20130317207
Carboxy x rhodamine analogs
The present invention provides novel fluorescent dyes and kits containing the same, which are useful for labeling a wide variety of biomolecules, cells and microorganisms. The present invention also provides various methods of using the fluorescent dyes for research and development, forensic identification, environmental studies, diagnosis, prognosis and/or treatment of disease conditions..
11/21/13
20130309715
Pentamethine cyanine fluorescent dyes, preparation methods and uses thereof
A pentamethine cyanine fluorescent dye having the general formula i, a synthetic method and a use thereof are disclosed. In the general formula, x is cho or chcr3r4; r1 and r2 are independently selected from the group consisting of (ch2)nr2 and et al.; r3 and r4 are independently selected from the group consisting of cn, cooh and coor16; r5, r6 and r7 are independently selected from the group consisting of h, so3r10 and coor11; r8 is h or c1-18 alkyl; r9 is h or ch3; r10 is n(r12r13r14r15); r11 is c1-18 alkyl; r12, r13, r14, r15 and r16 are independently selected from the group consisting of h, c1-18 alkyl, (ch2)mor8 and (chr9ch2o)pr8; y− is halogen anion or ots−; and n, m and p are integers of 0-18.
11/21/13
20130309671
Spectro-temporal optical encoding of information using a time-gated fluorescence resonance energy transfer (fret)
Described herein is a time-gated, two-step fret relay effective to provide temporal transference of a prompt fret pathway, or provide spectro-temporal encoding analytical signals and other information. A fret relay assembly includes a long lifetime fret donor (for example, a lanthanide complex), a semiconductor quantum dot (qd) configured as an intermediate acceptor/donor in fret, and a fluorescent dye configured as a terminal fret acceptor, wherein the long lifetime fret donor has an excited state lifetime of at least one microsecond and the qd and fluorescent dye each have excited state lifetimes of less than 100 nanoseconds..
11/21/13
20130305987
Visualization and enhancement of latent fingerprints using low pressure dye vapor deposition
Methods and apparatus for the recovery, visualization and enhancement of latent fingerprints using low pressure dye vapor deposition (lpdvd) are described. The lpdvd methods of the present invention provide for fine control over the deposition of a precursor in combination with a fluorescent dye, combination of dyes or a premixed dry solid compound of the precursor and dyestuffs, to make the latent fingerprints visible.
11/14/13
20130299702
System and plastic scintillator for discrimination of thermal neutron, fast neutron, and gamma radiation
A scintillator material according to one embodiment includes a polymer matrix; a primary dye in the polymer matrix, the primary dye being a fluorescent dye, the primary dye being present in an amount of 3 wt % or more; and at least one component in the polymer matrix, the component being selected from a group consisting of b, li, gd, a b-containing compound, a li-containing compound and a gd-containing compound, wherein the scintillator material exhibits an optical response signature for thermal neutrons that is different than an optical response signature for fast neutrons and gamma rays. A system according to one embodiment includes a scintillator material as disclosed herein and a photodetector for detecting the response of the material to fast neutron, thermal neutron and gamma ray irradiation..
11/07/13
20130295684
Conjugated polymers for use in homogeneous and solid state assays
Disclosed are multichromophores, and methods, articles and compositions employing them. Disclosed are methods, articles and compositions for the detection and analysis of biomolecules in a sample.
10/31/13
20130284944
Insulator and use thereof
An object of the present invention is to provide an insulator which can suppress quenching between fluorescent dyes and enhance fluorescence intensity. The present invention provides, in order to achieve this object, an insulator which contains a ring entity of nonplanar structure and suppresses reduction in fluorescence intensity of one or two or more fluorescent labels adjacent to the insulator..
10/24/13
20130280711
Probe, and polymorphism detection method using the same
The present invention provides a probe for detecting a v600 polymorphism in the braf gene, which is (p1) a fluorescently labeled oligonucleotide which has an identity of at least 80% to a base sequence having a length of 10 to 50 bases including the 228th to the 237th bases of the base sequence indicated in seq id no:1, wherein the base corresponding to the 237th base is cytosine labeled with a fluorescent dye, the oligonucleotide recognizing a polymorphism in at least one of the 228th to the 230th bases of the base sequence indicated in seq id no:1 (with the proviso that the oligonucleotide is not the one indicated in seq id no:7 or 19).. .
10/17/13
20130270457
Matrix-incorporated fluorescent silica for anti-counterfeiting
The present invention relates to a fluorescent dye-incorporated silica material. A fluorescent dye is covalently bonded to a silica matrix.
10/03/13
20130260014
Coated sensors and methods related thereto
The invention provides coated sensors for detecting the presence of analytes. The sensor comprises one or more fluorescent sources, such as one or more quantum dots or one or more fluorescent dyes, a polymeric matrix, a surface coating, and one or more analyte sensing components.
09/12/13
20130237688
Multimodality agents for tumor imaging and therapy
A compound that is a conjugate of an antagonist to an integrin expressed by a tumor cell and at least one of a tumor avid tetrapyrollic photosensitizer, a fluorescent dye, and a radioisotope labeled moiety wherein the radioisotope is 11c, 18f, 64cu, 124i, 99tc, 111in or gdiii and its method of use for diagnosing, imaging and/or treating hyperproliferative tissue such as tumors. Preferably the photosensitizer is a tumor avid tetrapyrollic photosensitizer, e.g.
09/12/13
20130236888
Enzyme substrate comprising a functional dye and associated technology and methods
Enzyme substrates and associated technology of the present invention are provided. An enzyme substrate of the invention may comprise a biologically functional fluorescent dye and an enzyme-specific substrate moiety attached in such a way that the functionality of the functional dye is diminished.
09/12/13
20130234044
Measurement method for determining an organ function
The invention relates to a method for acquiring data in order to determine organ function, in particular the liver or kidney function, comprising one or more polymethine fluorescent dyes having a fluorescence emission maximum, measured in ethanol, of less than or equal to 820 nm, and to the use of dyes as markers for acquiring data in order to determine the organ function. The invention further relates to a kit for determining an organ function with a marker dye, and to a device for acquiring data in the method..
09/12/13
20130233804
Application of fluorescent dyes to trace and quantify chemical dosage in industrial wastewater
Disclosed are methods and chemicals that can be used as fluorescent tracers in the treatment of raw water and/or industrial wastewater. The fluorescent tracers are certain chemicals discovered to have beneficial properties for such uses, particularly having little variance in fluorescence emission for conditions that are known to interfere with fluorescence emission.
09/05/13
20130230854
Method and device for immunoassay using nucleotide conjugates
A composition of matter for use in an immunoassay devices and method comprising a signal antibody, e.g., fab fragment, covalently linked to a first nucleotide; and one or more signal elements, e.g., signal enzymes such as alp or fluorescent dyes, each covalently linked to a second nucleotide, wherein the first nucleotide has one or more repeated sequences, and the second nucleotide is bound to one of the one or more repeated sequences on said first nucleotide, and wherein the ratio of the signal antibody to the signal element is controlled by the number of repeated sequences.. .
08/29/13
20130224879
Systems and methods for a dna-based thermometer
Dna-based temperature sensor for measuring temperature through a transition of one or more strands of dna from a coupled configuration to a decoupled configuration at a temperature threshold, and a fluorescent dye adapted to emit fluorescence when the dna is in the coupled configuration, includes a receptacle adapted to receive the dna and the fluorescent dye in a solution, an imaging device adapted to acquire an image of fluorescence emitted from the solution, the image having a plurality of regions, and a processor adapted to determine a plurality of fluorescence levels corresponding to each of the plurality of regions of the image and to generate a temperature map based on the determined fluorescence levels. A method for measuring temperature and a dna-based temperature sensing solution are also provided..
08/29/13
20130224871
Novel amine-substituted tricyclic fluorescent dyes
The present invention relates to polycyclic compounds of the general formula (i) which are distinguished by an amine substituent nr6r7 on the central carbon atom of the chromophore, to processes for their preparation, and to the use thereof for the determination of analytes.. .
08/22/13
20130217059
Fluorescent dyes
The present invention provides dyes, reactive dyes and labeled reagents that may be used in the detection or quantification of desirable target molecules, such as proteins, nucleic acids and cellular organelles. Dyes are provided that may be used free in solution where the binding of the dye to the target molecule provides signal generation.
08/22/13
20130217020
Methods for improving sensitivity and specificity of screening assays of kras codons 12 and 13 mutations
A method of diagnosing a kras gene mutation at codons 12-13 in a dna sample is disclosed. The method comprises detecting one or more than one mutation in the kras gene codons 12-13 of the dna sample by performing an allelic discrimination assay using a mutant probe, a wild-type probe paired with the mutant probe, a forward primer and a reverse primer, the mutant probe being adapted to detect a single nucleotide mutation at 1a, 1t, 1c, 2a, 2t, 2c or 5a of the kras gene codons 12-13 of the dna sample, and the primers each having no greater than 25 nucleotides in length are adapted to amplify a region spanning kras exon 2 codons 12-13, wherein the mutant and wild-type probes are labeled with different fluorescent dyes..


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Fluorescent Dye topics: Fluorescent Dye, Fluorescent Dyes, Fluorescence, Nucleotide, Fluorescent Label, Polymorphism, Base Sequence, Oligonucleotide, Sensitizer, Solventless, Quantum Dot, Adsorption, Compatibility, Wastewater, Biological Molecule

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