|| List of recent Dye-related patents
| Aqueous-triggered color-appearing inks|
The invention describes a color-developing composition that contains at least four major components: (1) a leuco dye or a combination of leuco dyes, (2) an electron-withdrawing color-developer agent or a combination of color-developers that can form colored complexes with the leuco dyes, (3) a separator or combination of separators that when present in sufficient amounts, can prevent the formation of the colored complexes between the color-developer and leuco dyes, all contained within (4) an encapsulation matrix that includes at least one film-forming and one aqueous-insoluble polymer. All of the foregoing components are dissolved together in a volatile organic solvent medium to form a homogeneous solution that can be applied as an ink on substrates, which can be incorporated as part of absorbent articles or personal care products..
| Fluorescent dye|
There is provided a fluorescent dye which can improve the fluorescent intensity at the time of labeling to thereby detect a biomolecule with higher sensitivity. The fluorescent dye of the present invention includes a nitrogen cation-containing group or a nitrogen-containing group.
| Fluorscent dyes with large stokes shifts|
Herein are disclosed fluorescent dyes based around a framework for a ligand comprising a pyridyl group linked to a diaryl anilido unit. A variety of ligands based on this framework are disclosed.
| Protein microarray assay imager|
An approach is described that combines distinct properties of a specialized porous nitrocellulose film (pnc) with quantum nanoparticles to create an improved assay and detection sensitivity, permitting the development of a camera-based imaging system for fluorescent detection of macromolecules in microarray format. The two properties of pnc that facilitate the approach are an extraordinarily high binding capacity and a newly observed internal scattering of light.
| Dye-sensitized solar cell and sensitizing dye|
Provided is a dye-sensitized solar cell in which the energy conversion efficiency is increased by adsorbing two different kinds of dyes to the surface of titanium oxide that constitutes a semiconductor electrode. In a dye-sensitized solar cell including a conductive support, a porous semiconductor layer having sensitizing dyes adsorbed onto this conductive support, a carrier transport layer and a counter electrode, the energy conversion efficiency is increased by adsorbing a mixture of a ruthenium complex, and an organic dye having a different molecular size and exhibiting a high open circuit voltage as a photoelectric conversion characteristic obtainable by the dye alone, onto the porous semiconductor layer..
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..
|Methods 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.
|Fluorescent 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.
|Hybrid 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.
|Phase 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.. .
|Method 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].. .
|Positive photosensitive resin composition|
Disclosed is a positive photosensitive resin composition that includes (a) an alkali soluble resin selected from a polybenzoxazole precursor, a polyimide precursor, and a combination thereof, (b) a photosensitive diazoquinone compound, (c) a phenol compound, (d) an organic dye and (e) a solvent, wherein the organic dye (d) includes at least one red dye having an absorption wavelength of 590 to 700 nm, at least one yellow dye having an absorption wavelength of 550 to 590 nm, and at least one blue dye having an absorption wavelength of 450 to 500 nm.. .
|Colorant-containing particles, colorant-containing particle dispersion, and polymer compound|
A colorant-containing particle that comprises a colorant and a polymer represented by (a1-r2)n—r1—(r3—p1)m wherein r1 is organic linking group; r2 is single bond or divalent linking group; a1 is monovalent organic group containing organic dye residue etc., m is 1 to 8, n is 2 to 9, m+n is 3 to 10; r3 is single bond or divalent linking group; p1 is polymer backbone containing si, has excellent dispersibility and dispersion stability.. .
|Optical-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.
|Preparation of indigo-dyed cotton denim fabrics and garments|
Disclosed herein is the preparation of indigo-dyed cotton denim fabrics suitable for use in making cotton denim garments and other denim articles. These indigo-dyed fabrics are prepared from cotton warp yarn which has been pre-treated with an emulsion copolymer prior to being contacted with an aqueous dye liquor comprising a dispersion of an indigo dyestuff.
|Liquid 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.. .
|Method 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.. .
|Double-sided printing and binding of book hardcovers|
A process for double-sided printing of a book hardcover, which includes: providing a book hardcover having a spine between front and back covers all integrally formed from a single blank of foldable board material, wherein the front and back covers each have polymer coated inside and outside surfaces; providing inside and outside dye sublimation sheets respectively printed with inside and outside front and back cover images using dye sublimation ink; superposing the inside and outside dye sublimation sheets respectively on the inside and outside surfaces of the front and back covers when the book hardcover is open flat; applying heat and pressure to the superposed inside and outside dye sublimation sheets and inside and outside surfaces of the front and back covers to respectively sublimate the dye sublimation ink of the inside and outside front and back cover images into the polymer coatings on the inside and outside surfaces of the front and back covers to thereby form a double-sided printed book hardcover.. .
|Continuous-wave organic dye lasers and methods|
An organic dye laser produces a continuous-wave (cw) output without any moving parts (e.g., without using flowing dye streams or spinning discs of solid-state dye media to prevent photobleaching) and with a pump beam that is stationary with respect to the organic dye medium. The laser's resonant cavity, organic dye medium, and pump beam are configured to excite a lasing transition over a time scale longer than the associated decay lifetimes in the organic dye medium without photobleaching the organic dye medium.
|Method of measuring propulsion in lymphatic structures|
Novel methods and imaging agents for functional imaging of lymph structures are disclosed herein. Embodiments of the methods utilize highly sensitive optical imaging and fluorescent spectroscopy techniques to track or monitor packets of organic dye flowing in one or more lymphatic structures.
|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.. .
|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.
|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.. .
|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.
|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).
|Colouring composition for thermoplastic polymers and process of preparing and using same|
It is described a colouring composition for thermoplastic polymers comprising the product of reaction of an organic dye with one or more polymer additives selected from an aromatic phosphate metal salt, a hindered phenol antioxidant and a salt of a fatty acid. It is disclosed also a process for preparing and using such composition..
|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..
|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..
|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.
|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.. .
|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.. .
|Developing agent and method of manufacturing the same|
According to one embodiment, a method of manufacturing a color erasable developing agent including preparing a dispersion containing a fine particle containing a leuco dye and a developer, a fine particle containing a color erasing agent, a toner binder resin fine particle and a medium, aggregating the fine particles in the medium, and heat fusing the aggregate to form a toner particle is provided.. .
|Color-changing composition and material|
The present disclosure relates to a color-changing composition and to a substrate having the color-changing compositions disposed thereon. The color-changing composition includes a leuco dye, a color-developer and a desensitizer.
|Compositions and methods of use for detection and imaging of prints by surface-enhanced spectroscopic techniques|
The present invention relates to a print detection composition comprising nanoparticles having an aerogel metal oxide core covered by a layer of zerovalent noble metal, and optionally, a fluorescent organic dye, wherein the fluorescent organic dye is within an interacting distance of the plasmon resonance field of the layer of zerovalent noble metal. The invention is also directed to surface-enhanced spectroscopic methods for imaging a latent print, particularly a latent fingerprint, by use of the print detection composition..
|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.
|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..
|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..
|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).
|Dye-sensitized solar cell and preparing method of the same|
A dye-sensitized solar cell including an inorganic dye containing all of pb, hg and s as a photo-sensitive dye and a manufacturing method of the same are provided.. .
|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.
|Storage medium, reproducing method, and recording method|
According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a 5 wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum absorption wavelength in the vicinity of 405 nm is defined as 1, the absorbance is 5% or more at any wavelength in the range of 600 nm to 700 nm.. .
|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%..
|Recordable optical recording medium having recording layer containing organic dye|
A recordable optical recording medium is provided enabling the light transmission layer to be a single layer, the inhibition of peeling of the recording layer even when stored in high-temperature/high-moisture conditions, and the reduction of degradation of the recording/reproduction characteristics. A recordable optical recording medium provided with a substrate, and, on the substrate in the following order, a reflective layer, a recording layer, a protective layer, and a light transmission layer.
|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 %..
|Treatment of cancer with complex organic-inorganic pigment compositions|
The present invention includes compositions and methods for treating disorders of the skin or mucosa resulting from cancer therapies comprising: identifying a patient receiving cancer treatment; and administering to said patient an effective dose of a treated organic/inorganic complex material with an organic dye molecule or derivative thereof, in a pharmaceutically acceptable carrier.. .
|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.
|Organic dye material and dye-sensitized solar cell using same|
Provided is an inexpensive and high-performance dye compound that does not use an expensive precious metal and does not require the use of a strong electron-withdrawing group. The compound is formed such that a boron substituent is introduced into a heteroatom-containing π electron-based backbone containing a double bond between carbon and the heteroatom to obtain a compound in which a backbone having boron and a coordination bond in a molecule thereof is used as a π electron-accepting backbone..
|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.
|Organic dyes comprising a hydrazone moiety and their use in dye-sensitized solar cells|
Furthermore, the present invention relates to the use of compounds of formula i for producing dye-sensitized solar cells and to dye-sensitized solar cells comprising compounds of formula i.. .
|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.
|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.. .
|Recordable optical recording medium|
A low-cost recordable optical recording medium is provided having a single-layered light transmission layer, and a recording layer containing an organic dye, the recordable optical recording medium showing a little asymmetry in the reproduction signal, and being capable of recording/reproducing data with light having a wavelength of 300 nm to 500 nm. A recordable optical recording medium including a substrate on which a reflective layer, a recording layer containing an organic dye, a protective layer, and a single-layered light transmission layer are laminated in the stated order, the recording layer being formed of the organic dye having a decomposition starting temperature of 240° c.
|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.
|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.
|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.. .
|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.
|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..
|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.
|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..