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Class 435/286.4 - Including liquid dispenser means


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Apparatus with means to control dispensing of a liquid (e.g.,
No. of patents: 105
Last issue date: 05/29/2012


1      
NumberTitleIssue Date
8187863Cell-chip and automatic controlled system capable of detecting conditions for optimizing differentiation of stem cell using mechanical stimulus
Provided are a cell chip and a system thereof that are capable of detecting optimal conditions for stem cell differentiation by mechanical stimuli. The cell chip for cell differentiation experimentation includes a plurality of cell chambers for storing cells and cul...
05/29/2012
8030057Fluid delivery system and method
Method and device for storing and/or delivering fluids, wherein at least a first and a second fluid, such as chemical or biochemical reagents or rinse solutions, are maintained separately from each other in a common vessel and transferred in series from the vessel t...
10/04/2011
7419819Apparatus for cell culture
Apparatus for cell culture occupying little space, providing economical efficiency, reducing working labor, faulty manipulation, and promoting the prevention of contamination, which is suitable for small scale cell culture . The apparatus permits the execution of at...
09/02/2008
7347975Bead dispensing system
A bead dispensing system is provided for delivering small amounts of substances onto substrates. The system can include, for example, a movable support structure having an array of spaced-apart projections depending from its lower side. An attraction source, such as...
03/25/2008
7288228Sample injection system
An HPLC injection valve is mounted to a probe drive system close to the probe axis to minimize probe movements required for sample injections into a mobile phase column. The probe is directly connected by a short conduit to the injection valve, eliminating the need ...
10/30/2007
7279136Metering technique for lateral flow assay devices
A diagnostic method and associated test kit for detecting an analyte residing in a test sample is provided. A sample membrane is utilized having a collection region and a detection region, the collection region having a known saturation volume for the intended test ...
10/09/2007
7273589Samples delivering device, method of manufacturing samples applicator, method of delivering samples, and base activation device
The present invention relates to a samples delivering device, a method of manufacturing a samples applicator, a method of delivering samples, and a base activation device which can handle a plurality of various samples, efficiently and promptly. The invention is con...
09/25/2007
7270784Automated laboratory for high-throughput biological assays and RNA interference
The invention is an automated multiple-purpose, integrated laboratory system comprising interchangeable modular elements for the construction and measurement of biological assays. The functions of the modular elements may include multiwell platform handling, chemica...
09/18/2007
7238322Delayed and diffused flow rapid confirmatory immunological testing apparatus and method
A self-contained apparatus using a gravitationally encouraged, interrupted, downward, diffusive and programmed flow of fluid to provide for rapid confirmatory immunological testing (“RCIT”) in, for example, a clinical, point-of-care setting. A fluid specimen suc...
07/03/2007
7204960Apparatus and method for calibration of a dispensing system
The invention provides an apparatus and method for calibrating a dispensing system. A dispenser dispenses a controlled quantity of material into a container for receiving material. A system, preferably a vision system comprising an image capturing device and an imag...
04/17/2007
7195921Adhered membranes retaining porosity and biological activity
An assay pad for measuring the concentration of HDL-associated cholesterol in a sample, a method for using the pad, and a diagnostic assay device for carrying out the method are described. The assay pad includes a polymer adhesive or heat laminate bond. The assay de...
03/27/2007
7169613Method for avoiding the contamination of negative sampling material by samples containing analytes during the use of automatic pipette machines
The invention relates to a method for reducing the contamination of reaction containers which are empty or already fitted with analyte-free sampling material or sampling material having a low analyte concentration, inside a configuration of reaction containers which...
01/30/2007
7118892Automated process for preparing and amplifying a target nucleic acid sequence
An automated process for preparing and amplifying a target nucleic acid sequence within a stand-alone unit. ...
10/10/2006
7097981Reaction wells, assembly thereof, immunoassay apparatus and method using such well assemblies
The present invention relates mainly to reaction vessels, to sets of such vessels for automatic immunological assay apparatuses, to automatic immunological assay apparatuses making use of such sets of vessels, and to a method implementing sets of such vessels. Accor...
08/29/2006
7011939Apparatus and method for electrophysiological testing
A method and apparatus for running a plurality of tests concurrently to obtain data relating to the electrophysiological properties of receptors and channels in biological membranes of test subjects, such as, for example, Xenopus oocytes. The invention furthe...
03/14/2006
6998094Apparatus for and methods of handling biological sample containers
Apparatus for handling biological sample containers comprises a conveyor assembly for conveying containers and a lid handling assembly operable to remove lids from and replace lids onto containers while the containers are in motion on the conveyor assembly. The lid ...
02/14/2006
6960324Cap aspirating system
An aspirating system for caps of sample containers including a suction duct, a partial-vacuum space formed by a collecting container, and a blower. The blower, when operated, produces a partial vacuum in the collecting container. The container is fitted at its lower...
11/01/2005
6955788Apparatus and method for aligning microarray printing head
An alignment apparatus and method are described for accurately and reliably depositing biological materials on a microscope slide or other substrate. A preferred implementation includes a first mounting assembly that enables rotation of deposit elements around a fir...
10/18/2005
6951632Microfluidic devices for introducing and dispensing fluids from microfluidic systems
The present invention provides microfluidic devices, systems and methods for using the same, which facilitate the introduction of fluid to and from a microfluidic channel located within the microfluidic devices. ...
10/04/2005
6911182Device for placement of effluent
A device for placement of effluent comprises a substrate positioner, a deposition conduit, and a conduit positioner. The substrate positioner supports and positions a substrate on which effluent exiting from the deposition conduit is to be deposited. The conduit pos...
06/28/2005
6843962Apparatus for and methods of handling biological sample containers
Apparatus for handling biological sample containers comprises a conveyor assembly for conveying containers and a lid handing assembly operable to remove lids from and replace lids onto containers while the containers are in motion on the conveyor assembly. The lid h...
01/18/2005
6815198Apparatus for automated preparation of DNA samples and reactor for preparing DNA samples
An apparatus for automated preparation of DNA samples which comprises a reactor for preparing DNA samples and adjacent thereto an enzyme supply section, a plate holding section, a nozzle sealing section and a cleaning tank section, and wherein plates are loaded onto...
11/09/2004
6800250Polymer synthesizer
A polymer synthesizer is disclosed which has a base on which sits a synthesis case, a synthesis block, and a means of moving the synthesis block and supports for a reagent shelf. The synthesis case has a loading station, drain station, and a water tolerant reagent a...
10/05/2004
6730516Microfluidic 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...
05/04/2004
6684161Combinatorial experiment design method and system
An experimental space comprising levels of factors is designed according to an incomplete block design and an experimental space comprising levels of factors is designed by random selection. Separate combinatorial high throughput screening experiments are...
01/27/2004
6656724Apparatus for automatic implementation of chemical or biological methods
The invention relates to a device for automatic implementation of chemical or biological methods in sample vessels, more particularly for sequencing and amplifying nucleic acid sequences, including a pipette apparatus and a thermocycler, the pipette appar...
12/02/2003
6607662Apparatus for purifying nucleic acids and proteins
The present invention provides an apparatus for purifying nucleic acids such as DNA and RNA or proteins such as enzymes and antibodies from microorganisms such as viruses and bacteria or animal and plant tissues, the apparatus being capable of fast proces...
08/19/2003
6593129Apparatus for microinjection of sample into amphibian oocytes
An apparatus for microinjection of samples into amphibian oocytes, comprising a tray for holding a plurality of the amphibian oocytes, an injection needle for injecting a sample into the said amphibian oocytes, a driving means for moving a relative positi...
07/15/2003
6573088Automated random access microbiological analyzer
A random access microbiological analyzer for performing AST and ID tests on samples using on-board inventories of different AST test arrays and different ID test rotors within separate AST and ID incubation and analysis chambers....
06/03/2003
6548788Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system
This system provides methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. Specifically, the system provides a microsystem platform for use with a micromanipulation device to manipulate the platform by rotation, th...
04/15/2003
6534053Bacterial strain, processed plant extracts, compositions containing same, processes for their preparation and their therapeutic and industrial applications
The present invention discloses: (i) a non-pathogenic probiotic microorganism and its probiotic/therapeutic uses; (ii) a formulation comprising an aqueous solution of a volatile fraction (VF) prepared from the extract of at least one plant derived materia...
03/18/2003
6524845Apparatus for the determination of microorganisms in liquid test specimens
An apparatus for determining microorganisms in liquid test specimens includes a specimen providing station (10) with a transport apparatus (32, 36) for the continuous provision of cuvettes (26) containing specimens to be investigated, a dosing station (12...
02/25/2003
6468736High efficiency cell analysis system and high throughput drug screening system
A system which can analyze compounds with high efficiency, such as in a high throughput drug screening system. The high throughput drug screening system which can test the action of a drug candidate upon a group of cells in a monolayer. A microspace corre...
10/22/2002
6455325Liquid processing method making use of pipette device and apparatus for same
Technological preposition of the present invention is a liquid processing method making use of a pipette device which sucks a liquid containing a target high molecular substance from inside of a vessel through a chip detachably set on a sucking port or a ...
09/24/2002
6423536Low volume chemical and biochemical reaction system
A method and device for preparing nanoscale reactions. An automated system utilizes an array of reaction chambers. The ends of the chambers are temporarily sealed with deformable membranes and reactions effected by incubation or temperature cycling. React...
07/23/2002
6420186Method for depositing a flattened droplet on a surface and apparatus therefor, and a pump therefor
A method and apparatus is provided for depositing a flattened droplet on a surface. The method includes the steps of providing a tube with a distal end that contains a microvolume of liquid, issuing an outgoing flow of displacement gas for slowly discharg...
07/16/2002
6399395Device and method of applying microdroplets to a substrate
A device for applying microdroplets to a substrate includes a dosing head having a nozzle orifice and a liquid storage area in fluid communication with the orifice. A drive applies an acceleration to the dosing head. A quantity of liquid in the storage ar...
06/04/2002
6399361Devices and methods for using centripetal acceleration to drive fluid movement in a microfluidics system
This invention provides methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. Specifically, the invention provides a microsystem platform for use with a micromanipulation device to manipulate the platform by rotati...
06/04/2002
6375903Method and apparatus for synthesis of arrays of DNA probes
The synthesis of arrays of DNA probes sequences, polypeptides, and the like is carried out using a patterning process on an active surface of a substrate. An image is projected onto the active surface of the substrate utilizing an image former that includ...
04/23/2002
6358474Device and method for isolating cell material out of a tissue medium and/or a liquid
An apparatus for isolating cell material from a tissue system and/or a liquid includes (1) a vessel open at the top, into which the cell material to be isolated can be introduced in the tissue system and/or the liquid; and (2) a separating device having a...
03/19/2002
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