Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 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 screening station to detect a potential bio-threat contamination. If a pote... | 05/08/2012 |
| 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 nucleic acids. The invention also relates to an improved sample port for ... | 02/28/2012 |
| 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 reservoirs. The chemical analyzer is configured to measure chemical ... | 12/14/2010 |
| 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 rain and insects. A concentrator is employed to increase a concentratio... | 09/21/2010 |
| 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 liquid sample. A jet of fluid can be utilized to remove and transfer the... | 07/20/2010 |
| 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 that has a bottom opening. The transfer-separation channel terminates in... | 10/21/2008 |
| 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 microcavity (RM1) downstream to the inlet opening, and c) an upstrea... | 10/07/2008 |
| 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 first end at a first velocity via a first conduit; methods of and mea... | 08/26/2008 |
| 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 flow channel cross sectional area for supplying a gas, a two-phase f... | 08/19/2008 |
| 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 quantifying the amounts of solid materials dissolved in a liquid are also des... | 06/10/2008 |
| 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 plurality of respective source wells into a fluid flow stream; means... | 05/06/2008 |
| 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 the specific analytical test have an imperfect merger with the sample a... | 03/04/2008 |
| 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 respective portions of the chamber inserted in the cavity, and to compress tho... | 02/26/2008 |
| 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 liquid flow. The sample droplet is moved along an analysis flow path to... | 02/12/2008 |
| 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 within the microfluidic. The system includes a substrate which forms ... | 01/29/2008 |
| 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 between the fluids within the chamber. Discrete fluid plugs are defined ... | 01/15/2008 |
| 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 substrate as the polymer layer is deposited on the substrate. The partially c... | 12/18/2007 |
| 7304259 | Mail processing system with multilevel contaminant detection and sterilization A method of sorting mail according to the invention includes the steps of receiving a plurality of first mail pieces of unknown origin in a first apparatus for bulk processing of the mail pieces, processing the mail pieces in the first apparatus by one of testing th... | 12/04/2007 |
| 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 from tapered spray tips of capillary elements into the orifices of mas... | 12/04/2007 |
| 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 its use are provided. The device and methods of the invention are us... | 11/13/2007 |
| 7273590 | gravity-driven apparatus and method for control of microfluidic devices A gravity-driven apparatus and method control the flow order of reactants in microfluidic devices which are employed in a microfluidic chip. The gravity-driven apparatus flow order control mainly comprises a plurality of reactant chambers arranged at different heigh... | 09/25/2007 |
| 7265253 | Decontamination of critical mail Mail which may be contaminated with a biotoxin, such as Anthrax, is received in a preliminary sorting area (16) including a dirty side sorting room (40) that is sealed to the ambient environment. The mail is loaded into a pass-through decontamination s... | 09/04/2007 |
| 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 produce a porous polymer membrane with a thickness of about 15 μm, whi... | 09/04/2007 |
| 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 is immiscible with the working fluid and the desired fluid; providing ... | 07/24/2007 |
| 7247470 | Method and apparatus for measuring nitric oxide production and oxygen consumption in cultures of adherent cells An apparatus and method for measuring nitric oxide production and oxygen consumption in cultures of adherent cells continuously and without destroying the cells. The method involves flowing growth media through a tube having adherent cells are adhered to the inner s... | 07/24/2007 |
| 7238268 | Microfluidic devices for the controlled manipulation of small volumes A method for conducting a broad range of biochemical analyses or manipulations on a series of nano- to subnanoliter reaction volumes and an apparatus for carrying out the same are disclosed. The invention is implemented on a fluidic microchip to provide high serial ... | 07/03/2007 |
| 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 outlet orifice (4) capable of cooperating with a... | 06/26/2007 |
| 7231839 | Electroosmotic micropumps with applications to fluid dispensing and field sampling Apparatus and methods according to the present invention preferably utilize electroosmotic pumps in fluid handling and field sampling applications. The electroosmotic pumps used in these applications are capable of generating high pressure and flow without moving me... | 06/19/2007 |
| 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 time-varying concentration of vapor that has diffused a known distance thr... | 06/12/2007 |
| 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 pressure; and a capillary duct (20) adapted to be filled with ... | 06/12/2007 |
| 7224825 | Detecting and identifying hazardous substances contained in mail articles A method and computer program product are described for detecting and identifying airborne particular matter comprising a plurality of particles. The backscatter induced by each of the particles under a light source is measured to determine a backscatter value for e... | 05/29/2007 |
| 7223371 | Microfluidic channel network device Described herein is microfluidic device for joining fluids and a related method for doing the same. The device according to the present invention includes a microfluidic junction, an outlet channel, and a plurality of circuit units. A microfluidic junction is an are... | 05/29/2007 |
| 7217393 | Apparatus and method for process monitoring An apparatus is provided for testing fluid samples includes a sensor, which can be light source, directed to a flow cell and a photo sensor for detecting a light beam reflected from the flow cell. The photo sensor monitors the fluid in the flow cell by sensing the r... | 05/15/2007 |
| 7208320 | 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, e.g., a single channel, into a parallel orientation, e.g., multiple c... | 04/24/2007 |
| 7208123 | Molecular contamination monitoring system and method A flow-through monitor for detecting molecular contamination (MC) within a fluid flow. The monitor has a diffusion chamber having an inlet port and an outlet port, and a structure for supporting a fluid flow from the inlet port to the outlet port. The structure incl... | 04/24/2007 |
| 7198956 | Automated fluid handling system and method An automated fluid handling system configured to prepare fluid samples and to introduce them into an analytical instrument, such as a particle analyzer, flow cytometer or sorter flow cell, and that is capable of analyzing both accurately and quickly. ... | 04/03/2007 |
| 7198754 | Biological material detection element, biological material detection method and apparatus, charged material moving apparatus A biological material detection apparatus which detects a charged biological material such as a gene or protein contained in a sample liquid is disclosed. A biological material detection element includes a substrate, at least one first electrode formed on the substr... | 04/03/2007 |
| 7192777 | Apparatus and method for process monitoring An apparatus is provided for testing fluid samples includes a sensor, which can be light source, directed to a flow cell and a photo sensor for detecting a light beam reflected from the flow cell. The photo sensor monitors the fluid in the flow cell by sensing the r... | 03/20/2007 |
| 7189581 | Method of obtaining a sample concentration of a solution in a microfluidic device A method is provided of obtaining a sample concentration of a solution in a microfluidic device. The microfluidic device includes a channel having a reservoir and a collection port. The channel is filled with a solution having particles therein. A reservoir drop is ... | 03/13/2007 |
| 7189580 | 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 of a predetermined radius and an output port of a predetermined radius. The channel is filled with fluid and a pressure gradient is generated between the... | 03/13/2007 |
