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8173431 |
Mail screening to detect mail contaminated with biological harmful substances
A multi-tier approach for use in a mailroom for detecting bio-threats conveyed by mail. In a first tier procedure, mail entering the mailroom is continuously automatically screened at a mail...
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8137623 |
Taste analyzing apparatus
The present invention provides an apparatus for analyzing easily not only the overall taste of a sample but also what kind of components, synergetic effects and diminishing effects contribute to...
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8124413 |
Thermocycler and sample port
The invention relates to continuous flow systems, in particular thermocyclers for the automated and continuous cycling of fluid between a plurality of temperature zones in the amplification of...
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8119068 |
Fluid content monitor
A fluid content monitor including a cuvette, a colorimeter adapted to generate a signal indicative of contents of a fluid sample contained in the cuvette, a container for holding a reagent, and a...
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8062903 |
Droplet compartmentalization for chemical separation and on-line sampling
Methods and devices are provided for overcoming detrimental diffusive effects in a sample liquid stream by forming segmented liquid bodies (e.g., droplets) from a sample liquid stream in an...
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8053249 |
Method of pumping fluid through a microfluidic device
A method is provided for pumping fluid through a channel of a microfluidic device. The channel has an input port and an output port. The channel is filled with fluid and a pressure gradient is...
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8043846 |
Device and method for contacting picoliter volumes of fluid
The invention features devices for mixing fluids, e.g., for lysing cells, and methods of use thereof. One device is based on the ability to control the flow of fluids, e.g., by contact angle and...
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8021872 |
Flow cytometry for high throughput screening
The present invention, provides a flow cytometry apparatus for the detection of particles from a plurality of samples comprising: means for moving a plurality of samples comprising particles from a...
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8021625 |
Interrupted, gravity-promoted, diffused flow chromatography strip testing device and method
A device and method for enhancing rapid confirmatory immunological testing (“RCIT”) in chromatography strip-type rapid IVD devices useful in, for example, clinical, point-of-care, laboratory or ove...
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7910379 |
Apparatus and method for ejecting droplets using charge concentration and liquid bridge breakup
Disclosed is an apparatus and method for ejecting droplets using charge concentration and liquid bridge breakup. The droplet ejection apparatus includes a reservoir storing a liquid; a capillary...
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7867766 |
Apparatus and method to measure the kinetics parameters of a porous powder catalyst
An apparatus and method are disclosed for measuring the kinetic parameters of a catalyst powder, which include the reaction rate constants, active site concentration and intraparticle diffusivity....
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7858372 |
Flow cell facilitating precise delivery of reagent to a detection surface using evacuation ports and guided laminar flows, and methods of use
The present invention is a flow cell and method for use in microfluidic analyses that presents highly discrete and small volumes of fluid to isolated locations on a two-dimensional surface...
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7851222 |
System and methods for measuring chemical concentrations of a plating solution
An electrochemical plating system, which includes one or more plating cell reservoirs for storing plating solution and a chemical analyzer in fluidic communication with the one or more plating cell...
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7842244 |
Flow cytometry for high throughput screening
The present invention, provides a flow cytometry apparatus for the detection of particles from a plurality of samples comprising: means for moving a plurality of samples comprising particles from a...
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7816148 |
Open-field serial to parallel converter
Microfluidic devices and systems for affecting the serial to parallel conversion of materials introduced into the device or system. Material or materials to be converted from a serial orientation,...
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7811521 |
Testing microchip and testing apparatus using the same
A testing microchip includes a specimen storage section; a reagent storage section; a reaction section; a testing section for a test of a reaction product obtained from the reaction; a liquid feed...
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7799567 |
Air sampler based on virtual impaction and actual impaction
Particles are removed from a fluid stream, such as air, and are deposited on one or more collection surfaces. A pre-filter can be employed to reject oversized particles and contaminants, such as...
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7795037 |
Methods for verifying fluid movement
Methods for using semiconductor nanocrystals for determining fluid movement, fluid dilution and fluid removal are described. Methods for using semiconductor nanocrystals for monitoring and...
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7759123 |
Removing surface deposits of concentrated collected particles
A method and apparatus for removing concentrated spots of collected particulates from an impact collection surface, and transferring those particulates into a container suitable for preparing a...
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7759132 |
Methods for performing microfluidic sampling
Methods for performing microfluidic sampling are provided. The method includes providing a substrate including an arrangement of first, second and third electrodes, wherein the second electrode is...
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7754077 |
Dialysis membrane for separation on microchips
Laser-induced phase-separation polymerization of a porous acrylate polymer is used for in-situ fabrication of dialysis membranes inside glass microchannels. A shaped 355 nm laser beam is used to...
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7736890 |
Assay device and method
An assay method is described, which comprises the steps of immobilizing a binding partner (e.g., an antigen or antibody) for an analyte to be detected (e.g., an antibody or antigen) on a portion...
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7727473 |
Cassette for sample preparation
A cassette for preparing a sample is disclosed herein. The cassette includes a housing, which encloses the structures and the processes used to prepare the sample.
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7722835 |
Closed reaction vessel system
A closed and yet flexible and easily adaptable reaction vessel system for performing liquid handling operations, such as sampling, incubating, homogenizing and/or metering fluids, can be...
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7659053 |
Methods of alteration of surface affinities using non-chemical force-creating fields
The present invention provides a series of methods, compositions, and articles for altering a property of a surface (for example, the cytophilicity and/or the hydrophilicity), by exposing at least...
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7601543 |
Method of modulating a second carrier for partial modulation via pulsed flow modulator for comprehensive two-dimensional liquid or gas chromatography
This invention is a method and device for use with multi-dimensional chromatography that utilizes partial modulation. An analyte-bearing sample is subjected to a first dimension of chromatography....
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7550267 |
Microscale diffusion immunoassay utilizing multivalent reactants
An improved microscale diffusion immunoassay utilizing multivalent reactants is disclosed. In particular, a method for detecting the presence of analyte particles in an analyte fluid is disclosed,...
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7531134 |
Method and apparatus for automated analysis and characterization of chemical constituents of process solutions
A method of directed automated analysis of a plurality of analytes of a process solution includes providing a sample of the process solution containing a plurality of the analytes, admixing an...
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7521256 |
Method and a device for defining a small volume of a liquid sample
A method and a device for separating a small defined volume of a liquid sample from a relatively large undefined volume of the sample. In a surface of a first body (10) at least one cavity (12)...
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7507586 |
Partial modulation via pulsed flow modulator for comprehensive two-dimensional liquid or gas chromatography with multiple modulation periods
This invention is a method and device for use with multi-dimensional chromatography that utilizes partial modulation with multiple secondary retention times. An analyte-bearing sample is subjected...
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7456027 |
Proteolytic biomarkers for traumatic injury to the nervous system
The present invention identifies biomarkers that are diagnostic of nerve cell injury, organ injury, and/or neuronal disorders. Detection of different biomarkers of the invention are also diagnostic...
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7438856 |
Microfluidic devices and methods
Embodiments of the invention are directed to microfluidic devices. In one embodiment, a microanalysis chip comprises a body having at least one transfer-separation channel with a channel bottom...
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7431889 |
Inner walls of microfluidic devices
A microfluidic device comprising one, two, three or more enclosed microchannel structures, each of which comprises a) an inlet arrangement with an inlet opening for liquid, b) a reaction...
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7416903 |
Wavy interface mixer
The present invention provides methods and apparatus for mixing samples in-line in a microfluidic system, comprising methods of and means for introducing a first fluid sample into a flow-tube at a...
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7413713 |
Reaction apparatus and mixing system
A reaction apparatus comprises a first supply flow channel having a fine flow channel cross sectional area for a liquid pressurized by a pressurizing device, a gas supply flow channel having a fine...
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7384795 |
Methods for verifying fluid movement
Methods for using semiconductor nanocrystals for determining fluid movement, fluid dilution and fluid removal are described. Methods for using semiconductor nanocrystals for monitoring and...
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7368084 |
Flow cytometry for high throughput screening
The present invention, provides a flow cytometry apparatus for the detection of particles from a plurality of samples comprising: means for moving a plurality of samples comprising particles from a...
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7338804 |
Automated clinical analyzer reagent formulation
This invention significantly reduces the frequency of hydraulic failure in the analytical line of a capsule chemistry sample liquid analysis system which can occur when the reagents required for...
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7337072 |
Fluid sample testing system
A sample testing system may include a housing, a cavity in the housing to receive a chamber, two contact members, and a sensor. The contact members may be positioned to be engageable with...
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7329545 |
Methods for sampling a liquid flow
In a method for sampling a continuous liquid flow, the liquid flow is supplied to a surface along an input flow path. The liquid flow is sampled by forming a sample droplet from a portion of the...
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7323140 |
Moving microdroplets in a microfluidic device
The present invention relates to a system and method for moving samples, such as fluid, within a microfluidic system using a plurality of gas actuators for applying pressure at different locations...
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7318912 |
Microfluidic systems and methods for combining discrete fluid volumes
Microfluidic devices capable of combining discrete fluid volumes generally include channels for supplying different fluids toward a sample chamber and means for establishing fluid communication...
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7309467 |
Fluidic MEMS device
A fluidic micro electro-mechanical system (MEMS) device is described. In one aspect, at least one at least partially covered fluidic channel is formed between a polymer layer and a polymer...
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7303727 |
Microfluidic sample delivery devices, systems, and methods
Methods and apparatus for delivering fluidic materials to sample destinations, including mass spectrometers for analysis are provided. In preferred embodiments, sample aliquots are electrosprayed...
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7294503 |
Microfabricated crossflow devices and methods
A microfluidic device for analyzing and/or sorting biological materials (e.g., molecules such as polynucleotides and polypeptides, including proteins and enzymes; viruses and cells) and methods for...
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7264723 |
Dialysis on microchips using thin porous polymer membranes
Laser-induced phase-separation polymerization of a porous acrylate polymer is used for in-situ fabrication of dialysis membranes inside glass microchannels. A shaped 355 nm laser beam is used to...
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7247487 |
Reducing working fluid dilution in liquid systems
A method of transporting a desired fluid in a channel includes: providing a working fluid to transport the desired fluid, such as a sample; providing a first segment of a first buffer fluid which...
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7235405 |
Liquid product distribution device and method
The invention relates to a device (1) for distribution of at least one liquid product, the device comprising at least one injection tube (2) supplied by a liquid product and being provided with an...
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7229594 |
Device for dispensing accurately-controlled small doses of liquid
The invention provides a device for dispensing accurately-controlled small quantities of at least one liquid, comprising a liquid supply (L); a gas supply (G), arranged to selectively supply a gas...
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7229593 |
Portable vapor diffusion coefficient meter
An apparatus for measuring the effective vapor diffusion coefficient of a test vapor diffusing through a sample of porous media contained within a test chamber. A chemical sensor measures the...
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