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Involving fixed or stabilized, nonliving microorganism, cell, or tissue (e.g., processes of staining, stabilizing, dehydrating, etc.; compositions used therefore, etc.)

Subclass of:

435 - Chemistry: molecular biology and microbiology

435004000 - MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
435400520 Involving tissue sections 68
435400510 Involving a monolayer, smear or suspension of microorganisms or cells 8
Entries
DocumentTitleDate
20130045503CLEARING REAGENT FOR BIOLOGICAL MATERIAL, AND USE THEREOF - A clearing reagent according to this invention for making a biological material transparent is a solution containing, as an active component, at least one compound selected from the group consisting of urea and urea derivatives, in order to provide a novel clearing reagent for making a biological material transparent.02-21-2013
20100151512Haemolysator - A haemolysator having a sonotrode plate and oscillation generating elements acting thereupon, wherein the oscillation generating elements are set into mechanical oscillations by an electrical AC-signal generator. The haemolysater also includes a sample chamber to which the sonotrode plate transmits mechanical oscillations, and has oscillation generating elements that are excitable toward mechanical oscillations in a wide frequency band.06-17-2010
20100047859SILICA-BASED FLUORESCENT NANOPARTICLES - A composition including the reaction product of: an organic silane of Formula SiR02-25-2010
20100075373Multi-Spectral Imaging Including At Least One Common Stain - A method including: providing a sample with M components to be labeled, where M>2; labeling the components with N stains, where N03-25-2010
20100075372METHOD FOR DEPARAFFINIZATION OF PARAFFIN-EMBEDDED SPECIMEN AND METHOD FOR ANALYSIS OF PARAFFIN-EMBEDDED SPECIMEN - The present invention provides a method for deparaffinization useful for mass spectrometric imaging from a paraffin-embedded specimen. A method for deparaffinization of paraffin-embedded specimen comprising the steps of: exposing a biological sample by subjecting a specimen in which the biological sample is embedded in paraffin, to an organic solvent that is compatible with the paraffin under heating condition, to make the paraffin be melted and dissolved in the organic solvent; and removing the paraffin from the specimen by separating the organic solvent dissolving the paraffin, from the exposed biological sample.03-25-2010
20100105105USE OF A REFERENCE SOURCE WITH ADAPTIVE OPTICS IN BIOLOGICAL MICROSCOPY - Methods of microscopic imaging of biological tissue using adaptive optics technology to improve the image focus and sharpness. Wavefront measurements are taken by using a novel method of seeding biological tissue by using a fluorescent microsphere as a “guide star” as a natural point-source reference. The current methods are capable of improving the Strehl ratio of modern biological microscopes as much as 15 times.04-29-2010
20100105104CHIP FOR SAMPLING CELL COMPONENT, SYSTEM FOR ANALYZING CELL COMPONENT AND METHOD OF ANALYZING CELL COMPONENT USING THE SAME - The present invention provides a method, a chip device, and a system for quantitatively measuring intercellularly and intracellularly-localized mRNA and protein without loss of local space information. In the present invention, cell content is trapped atop a substrate or an electrode in the form of a two-dimensional projection of a cell. Accordingly, electrophoretic force is used, or the cellular moisture content is instantaneously evaporated and immobilized. mRNA immobilized to a two-dimensional surface is identified with a labeled probe which hybridizes to the mRNA.04-29-2010
20130029375BIOLOGICAL FIXATIVE AND METHOD OF USING THE BIOLOGICAL FIXATIVE - A composition that includes an aldehyde, alcohol, and a ketone, the volumetric ratio of the alcohol to the ketone in the composition ranging from as low as about 0.8:1 to as high as about 4.5:1 and the volumetric ratio of the alcohol to the aldehyde in the composition ranging from as low as about 41.5:1 to as high as about 450:1.01-31-2013
20090042242TWO-STEP GRAM STAINING METHOD - The present invention provides a two-step Gram staining method. The method is conducted by using a clean slide, followed by adding 10˜30 μl primary stain from a reagent kit, adding an equivalent amount of specimens uniformly on said slide without drying and frame fixing, then immediately adding 30˜60 μl counter-stain on said slide for incubating 15 seconds, rinsing with water, and finally examining under a microscope, the result appears color contrast on the center of the slide between the Gram-negative bacteria performing light red color and the Gram-positive bacteria performing deep purple color.02-12-2009
20090117611DEVICE AND METHOD FOR WETTING OBJECTS - The invention relates to a device and a method for wetting objects with a liquid by means of a system for carrying a specimen slide that is disposed at a distance from a platform. To reduce liquid consumption, the specimen slide is raised or lowered relative to the platform by means of a system.05-07-2009
20110014647System and Method for Analyzing Samples Labeled with 5, 10, 15, 20 Tetrakis (4-Carboxyphenyl) Porphine (TCPP) - One embodiment of the present invention provides for a method of determining if a sputum sample contains dysplastic or carcinomic cells by obtaining a sputum sample containing cells. The sputum sample is labeled with TCPP to stain cells suspected to be dysplastic or carcinomic. The labeled sputum sample is excited with an excitation wavelength of light of about 475 nm+/−30 nm and emission at about 560 nm+/−30 nm is detected from cells identified to be macrophages. An imager focuses on the plasma membrane of one or more cells suspected to be dysplastic or carcinomic and emission at about 655 nm+/−30 nm, if present, is detected for TCPP labeled cells of the sputum sample after focusing on the plasma membrane of the cells of the sputum sample. Photon flux for each pixel of a sensor is measured to obtain a value for the imaged cell. The measured value is scored to determine if a cell is cancerous or dysplastic.01-20-2011
20130059330FIXING SOLUTION FOR BIOLOGICAL CELLS - This fixing solution is intended to preserve in vitro a cytological sample, comprising nucleated cells and erythrocytes and comprises alcohol for fixing the cells. It comprises physiological saline in order to avoid osmotic shocks at the wall of the cells, formalin and polyethylene glycol for retaining the size and the integrity of the nucleated cells and erythrocytes, which are fixed in said solution.03-07-2013
20090142797BLOOD DILUENT AND METHOD OF USE THEREOF - Blood diluent for use in the analysis of blood components may include at least one purine compound or salt thereof. The blood diluent may also include at least one of alkali metal salt and/or at least one organic buffers and/or inorganic buffer. The blood diluent may be utilized to stabilize blood cells during storage and facilitate the analysis thereof.06-04-2009
20130023008HISTOLOGICAL METHOD - The invention relates to the technical field of the histological preparation of biological tissue comprising a method and means for preparing transparent biological specimens for examination under a light microscope.01-24-2013
20110143392Biological fixative and method of using the biological fixative - A composition that includes an aldehyde, alcohol, and a ketone, the volumetric ratio of the alcohol to the ketone in the composition ranging from as low as about 0.8:1 to as high as about 4.5:1 and the volumetric ratio of the alcohol to the aldehyde in the composition ranging from as low as about 41.5:1 to as high as about 450:1.06-16-2011
20110287475Tissue Fixative Having Increased Viscosity - A gel fixative composition having increased, viscosity which fixes tissues as well as or better than standard liquid fixative solutions. The gel fixative compositions are less prone to leakage and are less likely to splash or spill from containers when they are mishandled. Because of their viscosity, they are less likely to penetrate surfaces and are more easily cleaned up if spilled. A method of making mixing biological fixative by mixing a solution of a biological fixative with a with a high-shear mixer at about 400 to 600 rpm; dispersing uniformly over time about 0.2 to about 2.0 weight percent of thickener while mixing for 2 to 10 minutes; increasing the mixing speed to about 1000 to 1500 rpm; and then, mixing for about 90 to 120 minutes so that a gel fixative composition is formed having a viscosity between about 1,000 cp and 200,000 cp.11-24-2011
20100267081METHOD AND DEVICE FOR FIXING/STABILISING A SAMPLE - The present invention provides a method for fixing and/or stabilizing a sample, in which the sample is put into a permeable container with a maximum overall height of 10 mm, preferably of 5 mm, and the container filled with the sample is immersed in fixing and/or stabilizing agents and the sample is fixed and/or stabilized.10-21-2010
20090325223MAGNETIC IMMUNOHISTOCHEMICAL STAINING DEVICE AND METHODS OF USE - The subject invention concerns a device for use in staining samples or tissues of interests on slides. The subject invention also concerns methods of using the device to stain a specimen on a slide or to detect antibody and proteins of interest of a tissue section.12-31-2009
20100279340Imaging agents for protein misfolding - Charged and neutral small fluorescent molecules based upon the styryl scaffold are useful as imaging agents for misfolded proteins such as amyloid plaque. Charged molecules are prepared using pyrrolidine catalyzed reactions by solution-phase synthesis. Neutral styryl molecules are prepared using acetic anhydride catalyzed reactions, Horner-Emmons reactions or Wittig reactions.11-04-2010
20080206807Methods, Reagents, Devices and Instrumentation For Preparing Impregnated Tissue Samples Suitable For Histopathological and Molecular Studies - A process for the production of paraffin sections of biological tissue, especially for molecular pathology studies is disclosed. In the process, the tissue sample is simultaneously fixed, dehydrated and cleared in a first step, subsequently dehydrated and cleared in a second step and infiltrated with an inert specimen matrix in a third step. The specimen can then be further embedded in a casting supporting matrix according to the standard procedures followed by any local pathology or research laboratory. A kit and a processing station for automating paraffin embedding of a tissue sample suitable for histopathological and molecular analysis is also described. A bio-indicator system is described for measuring the degree of crosslinking. A tissue sample holding means or a vial which includes a tissue sample holding means provided with a data logging device capable of registering and transmitting data regarding the sample and conditions where the sample was processed is also disclosed.08-28-2008
20100093021Hardening of ordered films of silica colloids - Sintering self-assemblies of calcined colloidal silica particles results in sintered colloidal crystals that are free of cracks that can be resolved using optical microscopy. The sintered colloidal crystals have significantly improved strength and durability, and withstand aggressive handling. Surface rehydroxylation of the sintered colloidal crystals enables subsequent chemical modification.04-15-2010
20100136612HORIZONTAL ANTIGEN RETRIEVAL - The present invention relates to a method for enhancing immunoreactivity of a tissue or cell sample fixed in a fixing medium, a target retrieval composition and its use. The method comprises providing a carrier in a horizontal position, said carrier having thereon a tissue or cell sample, said tissue or cell sample being on top of the carrier; contacting substantially the tissue or cell sample side of the carrier with a buffered target retrieval solution, wherein the target retrieval solution remains otherwise exposed to the environment; heating the tissue or cell sample and the target retrieval solution to a temperature above 100° C. The invention furthermore concerns the automated immunohistochemical staining of said samples, in particular the reactivation of antigens masked by fixation.06-03-2010
20090004691Enhanced Fluidic Method and Apparatus for Automated Rapid Immunohistochemistry - A sample processing system that may be configured to achieve rapid sample processing such as rapid histochemical processing may involve a wave element that can use angular microscopic slide movements to cause repeated elimination and reapplication of a fluidic substance perhaps through the action of capillary motion in order to refresh a microenvironment adjacent to a sample such as a biopsy or other such sample. Through such refreshing of a microenvironment, depletion of the microenvironment is avoided and the time necessary for slide processing may be dramatically shortened from a more common 60 to 120 minute to perhaps less than 15 minutes so as to permit use of such a system in an intraoperative or surgical environment such as recommended by the College of American Pathologists intraoperative guidelines or the like. Patients may thus avoid a need to be subjected to an additional surgical procedure when lab results become available to see if tumors or the like were fully removed in a prior procedure.01-01-2009
20090325222Tissue Sample Preparation and MALDI MS Imaging Thereof - Aspects of the present invention relate to a method for the preparation of samples for MALDI MS imaging. Certain embodiments relate to a method of matrix deposition for samples, wherein tissue sections are prepared via a synergistic combination of fixation with matrix. In certain embodiments, tissue is fixed with cold solvent, according to well-established histology protocols, and in the presence of matrix, allowing for high resolution spatial mapping of protein, lipid, sugar, and/or nucleic acid distribution. In certain embodiments, the present invention relates to fixation with matrix of whole organisms. In certain embodiments, animals are perfused with fixation and matrix mixtures, which allows for direct mass spectrometry analysis.12-31-2009
20090081722SITE-SPECIFIC LABELING OF AFFINITY TAGS IN FUSION PROTEINS - The present invention provides methods and fluorescent compounds that facilitate detecting and labeling of a fusion protein by being capable of selectively binding to an affinity tag. The fluorescent compounds have the general formula A(B)n, wherein A is a fluorophore, B is a binding domain that is a charged chemical moiety, a protein or fragment thereof and n is an integer from 1-6 with the proviso that the protein or fragment thereof not be an antibody or generated from an antibody. The present invention provides specific fluorescent compounds and methods used to detect and label fusion proteins that contain a poly-histidine affinity tag. These compounds have the general formula A(L)m(B)n wherein A is a fluorophore, L is a linker, B is an acetic acid binding domain, m is an integer from 1 to 4 and n is an integer from 1 to 6. The acetic acid groups interact directly with the positively charged histidine residues of the affinity tag to effectively label and detect a fusion protein containing such an affinity tag when present in an acidic or neutral environment.03-26-2009
20100184126 SAMPLING DEVICE - A portable sampling device (07-22-2010
20130217065METHOD IN THE PREPARATION OF SAMPLES FOR MICROSCOPIC EXAMINATION, AND APPARATUS FOR CHECKING THE COVERSLIPPING QUALITY OF SAMPLES - The invention relates to a method in the preparation of samples for microscopic examination onto which a coverslip is applied. The method is notable for the fact that the coverslipping quality is checked automatically and at least partly optically. The invention further relates to an apparatus for carrying out the method, and to an apparatus for checking the coverslipping quality of samples onto which a coverslip is applied.08-22-2013
20100255532Automated Molecular Pathology Apparatus Having Fixed Slide Platforms - Apparatus and methods for automatically staining or treating multiple tissue samples mounted on slides are provided, in which the slides and reagent bottles are held in fixed position, and the reagent, wash and coverslipping solutions brought to the slides. Alternatively, the slides are held in fixed position, while the reagent, wash and coverslipping solutions brought to the slides.10-07-2010
20090035809Modified Carbocyanine Dyes and Their Conjugates - Chemically reactive carbocyanine dyes incorporating an indolium ring moiety that is substituted at the 3-position by a reactive group or by a conjugated substance, and their uses, are described. Conjugation through this position results in spectral properties that are uniformly superior to those of conjugates of spectrally similar dyes wherein attachment is at a different position. The invention includes derivative compounds having one or more benzo nitrogens.02-05-2009
20100178667PERIODIC ACID-SCHIFF STAINING WITH DETECTION IN THE INFRARED RANGE - Provided is a method of detecting the presence and quantitating the amount of glycogen from a biological sample. This method employs PAS staining with detection in the infrared range.07-15-2010
20100151511Biological culture assembly - The invention relates to a resealable or a single use cell culture assembly for use in growing, storing and transporting, cell and tissue cultures. The assembly includes a support frame for receiving a base member insert having an upper surface, such as a microscope slide, and a well frame, preferably partitioned into a plurality of well compartments having sidewalls with upper and lower surfaces, upper and lower edges, and upper and lower well openings. The well frame is adapted to be operatively positioned on the upper surface of the base member, and includes a sealing means positioned on or within the lower edge of the well frame. The sealing means is adapted to operatively create a liquid-impermeable releasable seal or barrier when the lower surface of the well frame is positioned on the upper surface of the base member, such that the sealing means is releasably positioned on the upper surface of the base member for maintaining a liquid-impermeable barrier between well compartments. The assembly may include a cover or lid positioned over the upper opening of the well frame. When the assembly is in a closed position, the well frame can be secured to the support frame by a variety of closure means.06-17-2010
20110250634Tissue Container for Molecular and Histology Diagnostics Incorporating a Breakable Membrane - A container for storing a biological sample for molecular diagnostic testing and/or histological testing is provided. The container includes a first chamber for receiving a sample holder therein, a second chamber, and a closure for enclosing the container. A breakable membrane, such as a piercable foil, extends within the container and separates the two chambers. When the breakable membrane is broken, fluid can pass between the first and second chambers. The membrane may be broken through an activator on the closure, such as a depressible member or a rotatable carrier, causing the sample holder to break through the membrane.10-13-2011
20090253163ITERATIVE STAINING OF BIOLOGICAL SAMPLES - Automated methods and devices that facilitate iterative staining of biological samples from imaging applications are provided. The methods include the steps of providing a small volume flow cell containing a biological sample, applying a stain to the biological sample, combining at least two precursor reagents to form an activated destaining agent and wherein the activated destaining agent decomposition rate is greater than or similar to the destaining reaction rate, and flowing the destaining agent over the biological sample at a flow rate that is greater than the decomposition rate of the activated destaining agent. The process of staining, combining and flowing may be iteratively repeated. Also disclosed herein are devices for iterative staining of biological samples comprising a flow cell, in fluid communication with a premixer, wherein the volume capacity of the premixer is smaller than about five times the volume capacity of the flow cell.10-08-2009
20100068757IN SITU HEAT INDUCED ANTIGEN RECOVERY AND STAINING APPARATUS AND METHOD - An automated microscope slide staining system and staining apparatus and method that features a plurality of individually operable miniaturized pressurizable reaction compartments or a pressurizable common chamber for individually and independently processing a plurality of microscope slides. The apparatus preferably features independently movable slide support elements each having an individually operable heating element.03-18-2010
20130137136METHOD AND SYSTEM FOR AUTOMATED DEPARAFFINIZATION AND NON-IMMUNOHISTOCHEMICAL SPECIAL STAINING OF TISSUE SAMPLES - Disclosed are methods and systems for automated deparaffinization and histochemical staining of tissue samples. Samples are automatically deparaffinized and stained without the use of harsh chemicals and without the use of extreme temperatures.05-30-2013
20100279341METHODS AND SYSTEM FOR ANALYZING CELLS - The invention relates to a method for analyzing cells that are present as closed clusters. According to said method, a planar tissue preparation is subjected to an identification staining of the cell nuclei and a target structure staining of cell objects that is different from the identification staining. Digital images are recorded of the stained tissue preparation by means of an electronic image recording device and at least one image of a subsection of the tissue cut is displayed in at least one coloration. According to the inventive method, at least one parameter of the cell nuclei and at least one parameter of the cell objects labeled by target structure staining is restricted to a predetermined range of values. Cell nuclei and cell objects whose parameters correspond to the respective parameter range(s) are detected and optionally displayed using image processing algorithms in the image of said subsection. The image content of at least one image detected for the cell nuclei is correlated with the image content of at least one image detected for the target-structure stained cell objects to detect the individual cells. On the basis of the cell nuclei identified a cell growth or a cell enlargement is induced using a predetermined arithmetic algorithm to reconstruct the individual cells. In doing so it is made sure that neighboring cells do not fuse. The number of reconstructed individual cells is determined and/or the individual cells are divided into populations according to certain parameters.11-04-2010
20100255531ANALYSIS OF SINGLE BIOLOGICAL CELLS - An analysis of type, state or other distinguishing features of individual cells from body fluids, smears or tissues includes the steps of depositing the cells, with a minimum possible overlap, on a mass spectrometric sample support, determining the coordinates of the cells, coating the sample support with a layer of small crystals of a matrix substance, positioning the cells, inside a mass spectrometer, according to their known coordinates with a movement device into the position of the laser focus, acquiring mass spectra of the individual cells with ionization of the cell components by matrix assisted laser desorption, and using the mass spectra for an analysis of type, state or other distinguishing features of the cells.10-07-2010
20110151504Methods and Systems for Efficient Automatic Slide Staining in Immunohistochemistry Sample Processing - Automated sample processing systems may include onboard efficient high-speed mixing of at least two components with an automatic vertical force fluidic turbulent component mixer of which a mixed component may be aspirated and high-speed dispensed in a mixing vial. Other aspects may include single sweep applying a multi-treatment cleaning cycle to at least one slide. A multi-treatment cleaning cycle may include a washing treatment and a drying treatment. In yet other aspects the present invention may include an automated recovery sample processing system with the capability of detecting at least one immediate condition of a fortuitously terminated automatic sample processing run and perhaps even an automatic terminated sample processing run reconstruction calculator.06-23-2011
20100003716ISOPRENE SYNTHASE VARIANTS FOR IMPROVED MICROBIAL PRODUCTION OF ISOPRENE - The present invention provides methods and compositions comprising at least one isoprene synthase enzyme with improved catalytic activity and/or solubility. In particular, the present invention provides variant plant isoprene synthases for increased isoprene production in microbial host cells. Biosynthetically produced isoprene of the present invention finds use in the manufacture of rubber and elastomers.01-07-2010
20080268495Preparing Biological Samples for Analysis - Methods and devices for preparing a biological sample for analysis are described. The biological sample from an organism has at least macromolecule having a primary structure that naturally degrades after the sample is removed from the organism. The method includes causing the biological sample to adopt a shape to permit rapid and uniform heating. The shaped sample is then rapidly and uniformly heated, thereby altering a secondary structure of the macromolecule while preserving its primary structure.10-30-2008
20100323396PLATELET MEASUREMENT REAGENT, PLATELET MEASUREMENT REAGENT KIT, AND PLATELET MEASUREMENT METHOD - A reagent for measuring platelets comprising Nile Blue hydrogensulfate, or Nile Blue and an acid, a reagent kit for measuring platelets comprising the reagent for measuring platelets, and a method for measuring platelets using the reagent or reagent kit.12-23-2010
20100159507SHREDDER FOR MECHANICAL DISRUPTION BY GENTLE CONTROLLED COMPRESSIVE ROTATION - The systems and techniques of the present invention can also synergistically utilize mechanical disruption processes with the use of high hydrostatic pressure extraction, such as pressure cycling extraction techniques to achieve high yield of difficult to extract sample constituents without generating high shear stress or high temperatures.06-24-2010
20090176270ASYMMETRIC CYANINE FLUORESCENT DYES, COMPOSITIONS AND THEIR USE IN STAINING BIOLOGICAL SAMPLES - Asymmetric cyanine fluorescent dyes are represented by general formula I. These kinds of dyes may be used as a staining agent for nucleic acids, with the spectra at 600-900 nm in the near-infrared region and without interference from background fluorescence. These kinds of dyes may be useful with small-type red semiconductor lasers as the light source (such as 633 nm). Compositions comprising these dyes and methods for staining biological samples using these dyes or compositions are also provided.07-09-2009
20090176271Systems for Efficient Staining and Sorting of Populations of Cells - A multi-channel apparatus for classifying particles according to one or more particle characteristics. The apparatus comprises a plurality of flow cytometry units, each of which is operable to classify particles in a mixture of particles by interrogating a stream of fluid containing the particles with a beam of electromagnetic radiation. The flow cytometry units share an integrated platform comprising at least one of the following: (1) a common supply of particles; (2) a common housing; (3) a common processor for controlling operation of the units; (4) a common processor for receiving and processing information from the units; and (5) a common fluid delivery system. The integrated platform can include a common source of electromagnetic radiation. A method of the invention comprises using a plurality of flow cytometry units sharing the integrated platform to perform a flow kilometric operation, such as analyzing or sorting particles.07-09-2009
20100184125BIOMARKERS AND METHODS FOR DETERMINING SENSITIVITY TO INSULIN GROWTH FACTOR-1 RECEPTOR MODULATORS - IGF1R biomarkers useful in a method for identifying and monitoring a mammal that will respond therapeutically to a method of treating cancer comprising administering an IGF1R modulator, wherein the method comprises (a) exposing the mammal to the IGF1R modulator and (b) measuring in the mammal the level of the at least one biomarker, wherein a difference in the level of the at least one biomarker measured in (b) compared to the level of the biomarker in a mammal that has not been exposed to the IGF1R modulator indicates that the mammal will respond therapeutically to the method of treating cancer and (c) wherein the level of the biomarker in a mammal after exposure to a IGF1R modulator indicates that the mammal has responded therapeutically to the method of treating cancer.07-22-2010
20100323395Method For Automatically Processing Tissue Samples In A Tissue Processor - In the automatic processing of tissue samples in a tissue processor, the tissue samples are placed in a retort of the tissue processor. The tissue samples are exposed to a fixation reagent (FIX) in the retort. Afterwards, the tissue samples are exposed to a dehydrating reagent (ALK). Thereafter, the retort is cleared with an intermedium (INT) for removing the dehydrating reagent (ALK). Finally, the tissue samples are treated with a carrier material (CAR). Between the clearing of the retort with the intermedium (INT) and the treatment of the tissue samples with the carrier material (CAR), the retort is cleared with a carrier material protecting reagent (CARPRO) in which the intermedium (INT) and the carrier material (CAR) can be mixed.12-23-2010
20080268496Composition for the preparation of histological, autopsical, cytological samples - Composition based on alkyl C10-30-2008
20110143393AUTOMATIC DEVICE FOR CARRYING OUT DETECTION REACTIONS, AND METHOD FOR DOSING REAGENTS ONTO MICROSCOPE SLIDES - The invention relates to an automatic device to meter reagents onto a multitude of slides comprising holding devices for a multitude of slides which contain each a multitude of separated slots which are adapted to absorb cell or tissue samples; a dosing head unit with a multitude of reservoirs which are adapted to absorb liquid reagents and which have a metering valve at the end/side facing the slots to dose and apply the reagents into the slots; a positioning device to position the reservoirs of the dosing head unit above the respective slots of the slides.06-16-2011
20090035810MODIFIED CARBOCYANINE DYES AND THEIR CONJUGATES - Chemically reactive carbocyanine dyes incorporating an indolium ring moiety that is substituted at the 3-position by a reactive group or by a conjugated substance, and their uses, are described. Conjugation through this position results in spectral properties that are uniformly superior to those of conjugates of spectrally similar dyes wherein attachment is at a different position. The invention includes derivative compounds having one or more benzo nitrogens.02-05-2009
20090104654LOW VOLATILITY HIGH TEMPERATURE TISSUE CONDITIONING CROSS-REFERENCE TO RELATED APPLICATION - Solutions exhibiting little or no evaporative loss at elevated temperatures, i.e., in excess of 100° C., are employed in place of conventional aqueous-based antigen retrieval solutions.04-23-2009
20090117610Methods and Compositions for Identifying a Cell Phenotype - A method of staining or pre-staining at least one cell is provided. The method comprising contacting the at least one cell with a staining agent selected from the group consisting of an extract of a 05-07-2009
20120045792DRIED BLOOD SPOTTING PAPER DEVICE AND METHOD - A dried blood-spotting device includes a carrier card having a window therethrough along with a punchable glass fiber paper disposed in the window for a uniform absorption of a blood droplet sample into a homogeneous circular sport. The glass fiber paper is configured for enabling improved analysis for small molecules by a liquid chemotography/mass spectroscopy of punched specimens of the sample absorbed glass fiber paper.02-23-2012
20100173353Lysis Reagent Formulation - Subject matter of the invention is a lysis reagent formulation for binding components of a sample in the form of a tablet comprising a multitude of magnetic particles which are held together with the aid of excipients, a chaotropic salt and an excipient and the use of this lysis reagent formulation in analytical tests.07-08-2010
20090142798METHOD OF SELECTIVELY LYSING NON-VIABLE CELLS IN CELL POPULATION IN SAMPLE - The present invention provides a method of selectively lysing non-viable cells from a cell population within a sample, the method including selectively lysing non-viable cells by mixing a cell-containing sample with a lysis buffer including a non-ionic surfactant and a divalent cation salt.06-04-2009
20100248302Method of Determining Sperm Capacitation - This invention describes unique patterns of distribution of ganglioside G09-30-2010
20120009620Method for Reducing Entrainment in a Staining Device - During operation of a staining device (01-12-2012
20120015399FLUORESCENT SOLVATOCHROMIC PIGMENT - The present invention presents a novel fluorescent solvatochromic dye that (1) has an ionic terminal that makes it easier to use in a hydrophilic surface or in polar solvents, (2) can be efficiently excited by commonly used Argon lasers (488 nm), (3) shifts the wavelength of emitted light according to the change of polarity, and (4) can effectively stain living tissues such as cells and the like.01-19-2012
20090136992SIMPLIFIED TISSUE PROCESSING - Improved systems and methods for tissue processing are described here. The chemical process and the construction of the apparatus are simplified by using only two different solutions in two separate reaction modules. They are compatible with processing of tissue specimens for genetic analysis, histology, in situ antibody binding and hybridization, archival preservation of morphology and nucleic acids, and combinations thereof.05-28-2009
20110104747Method of Concentrating Beads in a Droplet - Methods of concentrating beads in a droplet and/or loading beads on a fluidic device are provided, including among other things, a method of concentrating beads in a droplet, the method comprising: (a) providing a droplet actuator comprising: (i) an interior droplet operations volume; and (ii) a reservoir exterior to the interior volume; (iii) a droplet established in a liquid path extending from the reservoir into the interior volume; (b) providing magnetically responsive beads in the portion of the droplet which is in the reservoir; (c) magnetically attracting the magnetically responsive beads through the liquid path into the portion of the droplet which is in the interior volume; and (d) forming a droplet comprising one or more of the magnetically responsive beads in the interior volume.05-05-2011
20120122150STABILIZATION METHOD FOR BIOLOGICAL SAMPLES BY COMBINATION OF HEATING AND CHEMICAL FIXATION - The present invention provides methods for stabilizing a biological sample for analysis. The invention more particularly provides methods combining heat treatment and chemical fixation of biological samples in order to maintain protein primary structure and post-translational modifications, such as protein phosphorylations.05-17-2012
20120122151CYTOLOGICAL OR HISTOLOGICAL BINDING COMPOSITION AND STAINING METHODS - A histological and cytological fixing composition, includes at least alcohol, ethylene glycol, dimethyl sulfoxide, water, and sodium chloride. Also, process for preparing this fixer, as well as to its use in particular in processes for staining cells or cellular structures are described.05-17-2012
20100248301Tissue Embedding Apparatus, And Method For Operating A Tissue Embedding Apparatus - The present invention relates to a tissue embedding apparatus (09-30-2010
20120129213Multi-Spectral Imaging Including At Least One Common Stain - A method including: providing a sample with M components to be labeled, where M>2; labeling the components with N stains, where N05-24-2012
20110183372STIMULATED CELL STANDARDS - Methods for producing stimulated, positive and negative control reference standard for monitoring intracellular cytokine levels and cytokine release in test samples by stimulating cells to produce cytokines in the presence of a cytokine release inhibitor, fixing the stimulated cells with a fixative such as paraformaldehyde, washing to remove excess fixatives and freeze-drying the stimulated, fixed cells. Methods for producing labeled reference standards for cell proliferation assays are also disclosed, in which proliferation-competent mammalian cells, isolated from a human or animal body are labeled with a label, such as a dye, that is divided between daughter cells during cell proliferation (e.g., carboxyfluorescein succinimidyl ester), the cells are stimulated to proliferate, the proliferated cells are fixed by addition of a fixative and then preserved by freeze drying or cryopreservation.07-28-2011
20120135458CLOSED LOOP MONITORING OF AUTOMATED MOLECULAR PATHOLOGY SYSTEM - A closed loop automated method for staining of a biological sample is provided. The method comprises providing a biological sample, staining at least a portion of the biological sample by flowing in a reagent, monitoring one or more optical characteristics of the biological sample, and calculating a figure of merit based on at least one of the optical characteristics. An automated device for iterative staining of a biological sample is also provided.05-31-2012
20120135459NOVEL FLUORINATED RHODAMINES AS PHOTOSTABLE FLUORESCENT DYES FOR LABELLING AND IMAGING TECHNIQUES - The present invention relates to novel fluorinated 05-31-2012
20120219987DEVICE FOR ELECTROPORATION AND LYSIS - There is provided a membrane disruption device including a sample container and an electrode assembly. The sample container includes a sample-containing space defined by a containing surface and configured for containing a cellular-material comprising fluid, wherein the sample-containing space includes at least one membrane disruption space. The electrode assembly including a first electrode portion spaced apart from a second electrode portion, for generating an electric field within the membrane disruption space and effecting membrane disruption of a cell of a cellular material-comprising fluid disposed within the membrane disruption space.08-30-2012
20120219986Universal Fixative - This invention provides compositions and methods for fixing biological samples, particularly fecal samples used in the diagnosis of parasitic infection. The fixative composition of the present invention includes a zinc salt, an organic acid and water and permits staining of biological samples without use of toxic compounds, such as formaldehyde and mercury-containing compounds and without the use of additives such as polyvinyl alcohol. The fixative composition and methods arc compatible with many diagnostic assays, including trichrome stains, iron hematoxlin, ELISA, fluorescent assays, and lateral flow assays.08-30-2012
20120214194PROCESS FOR SYNTHESIZING EPICCONONE ANALOGS - The present invention relates to a process for the total synthesis of epicocconone analogs of formula (I):08-23-2012
20080213824Synthesis of Labeled Probes - Improvements in FISH staining employing an aqueous acetonitrile/dimethylsulfoxide mixture in a fluorophore coupling reaction.09-04-2008
20120264165METHOD OF DETECTING TUMOR CELLS BY FLUORESCENCE SIGNALS - The invention relates to a method of detecting dividing cells, or cells having the potential of dividing, in a cytological specimen stained using a Papanicolaou staining process, by the detection of a fluorescence signal coming from the membranes of these cells.10-18-2012
20120329088PROCESSING SYSTEM FOR PROCESSING SPECIMENS USING ACOUSTIC ENERGY - A method for fixing a biological sample includes delivering energy through a biological sample that has been removed from a subject, while fixing the biological sample. A change in speed of the energy traveling through the biological sample is evaluated to monitor the progress of the fixation. A system for performing the method can include a transmitter that outputs the energy and a receiver configured to detect the transmitted energy. A computing device can evaluate the speed of the energy based on signals from the receiver.12-27-2012
20110124040FIXATIVE OF POLYMERIZED CARBON NANOTUBES ENCAPSULATING OSMIUM NANOPARTICLES FOR BIOLOGICAL TISSUE - A fixative for biological tissue made up of polymerized carbon nanotubes encapsulating osmium nanoparticles and its method of synthesis are disclosed. Carbon nanotubes are first oxidized. Next, the oxidized carbon nanotubes and monohydrated citric acid are mixed to synthesize carbon nanotubes grafted with poly(citric acid). The carbon nanotubes grafted with poly(citric acid) are then mixed with an osmium source to synthesize carbon nanotubes grafted with poly(citric acid) encapsulating osmium nanoparticles. The nano-fixative of this application has been shown to improve fixation of biological tissue relative to well-known fixatives.05-26-2011
20080299605USEFUL SPECIMEN TRANSPORT APPARATUS WITH INTEGRAL CAPABILITY TO ALLOW THREE DIMENSIONAL X-RAY IMAGES - The present invention provides new and useful features and mechanisms for the localization and transport of biopsy specimens. The invention having a specimen board, an absorbent material in operative engagement and in coplanar alignment with the specimen board, a compression sheet, radio opaque indicia located within the specimen board, and a flexible connection between the compression sheet and the specimen board, and an attachment device which provides for removable engagement of the specimen board and compression sheet. The apparatus further provides for a clear visualization window and operating instructions. The absorbent material is capable of adjustable movement between a first and second position, providing orthogonal positioning relative to the specimen board. As a result, the apparatus may be used to create three dimensional radiographic images allowing tissue analysis resulting in orthogonal views while maintaining original positional reference points.12-04-2008
20120322099FIXATIVE AND STAINING SOLUTIONS - The formulations, systems, and methods disclosed herein permit automated preparation of specimens (e.g., biological specimens) for examination. The disclosed formulations, systems, and methods provide fast, efficient, and highly uniform specimen processing using minimal quantities of fluids. The methods include at least a fixing phase for fixing a specimen to a substrate such as a microscope slide, a staining phase for staining the specimen, and a rinsing phase for rinsing the specimen. One or more of the fixing, staining, and rinsing phases include one or more agitation phases for distributing reagents evenly and uniformly across the specimen. The systems can be implemented as a standalone device or as a component in a larger system for preparing and examining specimens.12-20-2012
20120270262METHODS FOR MOBILE ZINC MEASUREMENT - This invention relates to a method for using a zinc sensor compound to detect a disease associated with the disruption of zinc homeostasis, such as prostate cancer. The zinc sensor compound comprises an optical reporter having two or more recognition units where each of the recognition units is capable of associating with at least one zinc ion.10-25-2012
20080241876Information notification sample processing system and methods of biological slide processing - A sample processing system that may be automated and methods are disclosed where samples are arranged on a carrier element and a process operation control system automatically processes the samples perhaps robotically with an operationally-influential exteriorly-consequential information monitor or a data capture element. Significant process details as well as operationally-influential exteriorly-consequential information may be monitored and an automatic notice element may cause notification of a person at some display that may be remote. Various people may be notified, such as an administrator, a supplier, or a manufacturer of an opportunity for some action such as reagent reordering or the like. A simulated motion display may be included to “watch” simulated operation in real time or long after completion of the actual processing.10-02-2008
20130102027METHOD FOR DETECTING CANCER CELLS USING VERTICALLY CARBON NANOTUBES - The various embodiments herein provide a method for detecting the cancerous cells using the carbon nanotubes. The method comprises preparing a solution of the tissue cells. The prepared solution of the tissue cells is poured on a fabricated substrate to carry out an entrapment of the tissue cells on the substrate. The substrate is dried after the entrapment in an air ambient and observed under a scanning electron microscope. The cancer cell is detected based on the biomechanical properties such as softness, deformability and an elasticity of the cancer cells. The cancer cell is detected based on the deflection of the substrate due to the entrapment of the cancer cells.04-25-2013
20130115652TISSUE ARRAY PRODUCTION METHOD - A tissue array production method which enables even roll-shaped tissue pieces having various diameters to be steadily fixed to a substrate block is provided.05-09-2013
20110212486Microscope System, Specimen Observation Method, and Computer Program Product - A microscope system includes an acquisition unit that obtains a specimen image acquired by capturing the specimen stained by an element identification dye that visualizes a predetermined cell constituent element and a molecule target dye that visualizes a predetermined target molecule by using a microscope; a dye amount unit that obtains dye amounts of the element identification dye and the molecule target dye that stain corresponding positions on the specimen for each pixel of the image; an element area identification unit that identifies an area of the cell constituent element based on the dye amount of the element identification dye; a condition setting unit that sets the presence or absence of the predetermined target molecule on the cell constituent element as a condition; and an extraction unit that extracts an area of a target portion that satisfies the condition based on the dye amount of the molecule target dye.09-01-2011
20130189729FIXATIVE AND STAINING SOLUTIONS - The formulations, systems, and methods disclosed herein permit automated preparation of specimens (e.g., biological specimens) for examination. The disclosed formulations, systems, and methods provide fast, efficient, and highly uniform specimen processing using minimal quantities of fluids. The methods include at least a fixing phase for fixing a specimen to a substrate such as a microscope slide, a staining phase for staining the specimen, and a rinsing phase for rinsing the specimen. One or more of the fixing, staining, and rinsing phases include one or more agitation phases for distributing reagents evenly and uniformly across the specimen. The systems can be implemented as a standalone device or as a component in a larger system for preparing and examining specimens.07-25-2013
20130196370FIXATIVE AND STAINING SOLUTIONS - The formulations, systems, and methods disclosed herein permit automated preparation of specimens (e.g., biological specimens) for examination. The disclosed formulations, systems, and methods provide fast, efficient, and highly uniform specimen processing using minimal quantities of fluids. The methods include at least a fixing phase for fixing a specimen to a substrate such as a microscope slide, a staining phase for staining the specimen, and a rinsing phase for rinsing the specimen. One or more of the fixing, staining, and rinsing phases include one or more agitation phases for distributing reagents evenly and uniformly across the specimen. The systems can be implemented as a standalone device or as a component in a larger system for preparing and examining specimens.08-01-2013
20130203109Methods and Compositions for Hematoxylin and Eosin Staining - The present invention provide for solutions of a defined composition useful in a staining protocol, such as a hematoxylin and eosin staining protocol, when used at certain points of the staining protocol. The formulations of these defined solutions are such that carry-over of the solutions will not negatively impact, or preferably, will stabilize or favorably modify staining reagent solutions coming in contact with the solutions. In certain embodiments of the invention, solutions are buffered to maintain a specific pH that when carried-over—such as carried-over into hematoxylin—will not significantly influence the pH of the next staining reagent.08-08-2013
20130210070MICROFLUIDIC DEVICE AND METHOD FOR CONTROLLING INTERACTION BETWEEN LIQUIDS - A microfiuidic device comprises a valve having electrically controllable wetting properties. The valve comprises a valve surface arranged in a closed valve space defined by at least the valve surface, a first liquid opening for leading a first liquid to the valve and a second liquid opening for leading a second liquid to the valve. The valve surface, in a first state, is sufficiently hydrophobic to prevent contact between the first liquid and the second liquid. The valve surface, in a second state, is sufficiently hydrophilic to allow contact between the first liquid and the second liquid. A ventilation outlet is provided for allowing gas to escape from the valve space.08-15-2013

Patent applications in class Involving fixed or stabilized, nonliving microorganism, cell, or tissue (e.g., processes of staining, stabilizing, dehydrating, etc.; compositions used therefore, etc.)

Patent applications in all subclasses Involving fixed or stabilized, nonliving microorganism, cell, or tissue (e.g., processes of staining, stabilizing, dehydrating, etc.; compositions used therefore, etc.)