TECAN TRADING AG Patent applications |
Patent application number | Title | Published |
20160121281 | MAGNETIC COUPLING AND MIXING DEVICE - A device for mixing liquids in a container having an inner chamber with an enclosing wall and a bottom, an external encasement, an interspace and a transfer opening on top of the inner chamber. A mixing body located in the inner chamber comprises magnetizable material or a permanent magnet spaced from the wall. A coupling body movable in the interspace along a longitudinal axis and wall has magnetic working connection with the mixing body. The wall and the external encasement are transparent to magnetic fields. An acting permanent magnet or magnetizable material outside the external encasement, is in magnetic working connection with the coupling body. Moving the acting magnet or magnetizable material parallel to the longitudinal axis induces movement of the coupling body inside the interspace and moving the mixing body in the inner chamber, mixes liquids present in the inner chamber. | 05-05-2016 |
20160082437 | COVER WITH MICRO-CONTAINER INTERFACE FOR COVERING A MICROFLUIDIC GAP | 03-24-2016 |
20160025546 | METHOD AND DEVICE FOR DISTINGUISHING BETWEEN A FOAM AND/OR LIQUID CONTACTING - A method and device for distinguishing between a contacting of foam ( | 01-28-2016 |
20160023210 | INLET VALVE FOR CHAMBER SYSTEMS AND SAMPLE CONTAINERS, AND CHAMBER SYSTEMS AND SAMPLE CONTAINERS WITH SUCH INLET VALVES - An inlet valve charges an inner chamber with liquid and has a first axis and an inlet opening with a tool that automatically recloses. The inlet valve has a valve body with a blocking element, and a pressing part; a valve space enclosing the valve body at least partly; a spring mechanism and a sealing element. An open passage region opens into the liquid passage of the pressing part and into the valve space. The spring mechanism presses a sealing surface of the blocking element against the sealing element in a closed position of the valve body. The valve body of the inlet valve can be brought to an open position by pressing the pressing part against the resistance of the spring mechanism. Chamber systems and sample containers with such inlet valves are also disclosed. | 01-28-2016 |
20160018429 | Microplate-reader with a controlled gas atmosphere and a corresponding method of controlling the gas atmosphere - The invention relates to a microplate reader and a respective method, wherein the microplate reader comprises at least one measuring device and a holding device for accommodating at least one microplate and for positioning the samples-containing wells of this(these) microplate(s) in relation to the at least one measuring device. The at least one measuring device is used for detecting light which is emitted by samples in wells of a microplate inserted in this microplate reader and/or which is influenced by samples transilluminated by light in wells of a microplate inserted in this microplate reader. The microplate reader comprises a control unit for controlling the temperature of a gas atmosphere surrounding the wells containing the samples of microplates used in this microplate reader. | 01-21-2016 |
20160018261 | Monochromator Comprising Vibration Resistant Moveable Optical Elements - A monochromator has at least one optical grating which is rotatable in relation to incident light of a source of light, a drive unit to rotate the optical grating by a connected drive rod around a longitudinal axis, and a control unit to control the drive unit and thereby the rotation of the optical grating. The drive unit further has a first damping element with at least one electrical conductive surface, and a second damping element which provides at least one magnetic field having a magnetic axis which penetrates the electrical conductive surface. One of the first and second damping elements is fixed to the drive rod and is rotatable along with the drive rod around the longitudinal axis thereof in relation to the other one of the second or first damping element. | 01-21-2016 |
20160016170 | MICROFLUIDICS CARTRIDGE WITH PIPETTING GUIDE - A disposable cartridge configured as a digital microfluidics system for manipulating samples in liquid portions having a cartridge accommodation site and a central control unit for controlling selection of individual electrodes of an electrode array located at the site and for providing plural electrodes with individual voltage pulses for manipulating liquid portions by electrowetting. The cartridge has a hydrophobic working surface and a rigid cover with a second hydrophobic surface, the hydrophobic surfaces facing each other and being separated in parallel planes by a gap. The cartridge has plural pipetting guides for safe entering/withdrawing liquids into/from the gap with a pipette tip. At least one of the pipetting guides provides an abutting surface sealingly admittable by a counter surface of a pipette tip, located at a pipetting orifice that reaches through the rigid cover, and configured to prevent a pipette tip from touching the hydrophobic working surface. | 01-21-2016 |
20160003859 | MICROPLATE READER WITH INCUBATION DEVICE - Microplate reader has measuring space, action source, measuring device for biological structure signals of microplate wells, transport support for positioning wells in relation to an optical axis of the device and controller for the action source, the measuring device and the transport support. An incubation apparatus with a frame accommodates a microplate with wells having bottoms for reducing liquid evaporation. The frame has a first opening surrounded by an inner wall for the microplate and an outer wall parallel to the inner wall and connected thereto by an intermediate bottom so that a channel is formed and the intermediate bottom for accommodating a liquid adjusted to the content of the microplate wells. The incubation apparatus has a support surface with a second opening for a microplate and, as a result, at least a portion of the well bottoms is freely accessible by the second opening. | 01-07-2016 |
20150331428 | Method for Defining a Process in a Liquid Handling System and a Method for Carrying out a Pipetting Process - A method for defining an automated process which is to be carried out in a liquid handling system, wherein the liquid handling system comprises an outlet element (e.g. a pipette) for aspirating and/or dispensing a liquid volume, a numerically controlled movement apparatus for carrying out movements in connection with the aspiration/and or dispensing, and a controller for controlling the process, having the following steps:
| 11-19-2015 |
20150308944 | OPTICAL MEASURING APPARATUS AND METHOD FOR THE ANALYSIS OF SAMPLES CONTAINED IN LIQUID DROPS - Optical measuring apparatus configured for analysis of samples contained in liquid drops provided by a liquid handling system that comprises at least one liquid handling tip. The apparatus comprises a light source for irradiating the drop; a detector for measuring sample light; an optics system with first optical elements for transmitting irradiation light, and a processor for accepting and processing measurement signals. The drop is suspended at the liquid handling orifice of the tip in a position where the drop is penetrated by a first optical axis defined by the light source and the first optical elements. The drop is physically touched only by the tip and the liquid sample inside the tip. A robot arm to which the tip is attached is configured as a mechanism for adapting the position of the liquid drop with respect to at least one optical element of the optics system. | 10-29-2015 |
20150292933 | Method and Device for the Automated Classification of a Liquid as Well as Method and Device for the Automated Adaption of Presettings for a Capacitive Liquid Level Measurement | 10-15-2015 |
20150272318 | Laboratory Table Having Tabletop Elements - Laboratory table with front and opposite rear frame parts, has replaceable tabletop elements positionable thereon. In a first variant, the laboratory table further has detent openings at regular distances on the front and/or rear frame parts, defining a modular grid. Each opening can receive a detent bolt of a modular tabletop element, each element having at least two detent bolts for the insertion into one of the detent openings. In a second variant, each tabletop element has at least one detent opening on a front and/or rear side of the tabletop element, for insertion of a detent bolt. The front and/or rear frame part of the laboratory table have detent bolts arranged at a regular distance defining a modular grid, each one of the detent bolts being for insertion into one of the detent openings of the tabletop elements positioned on these front and rear frame parts. | 10-01-2015 |
20150251315 | Process for Finding A Path in an Automated Handling System, and Handling System with Corresponding Control Module for Finding A Path - An Automated handling system has a working area, at least one object in the working area, at least a first numerically controlled arm and at least a second numerically controlled arm. The arms are movable above the working area and have a collision avoidance mechanism. The current actual topography of the working area is determinable, a movement planning algorithm determines a path from a first position to a second position, wherein in the first application of the movement planning algorithm a reference path, a quasi-static collision examination for the path, which has been provided by the movement planning algorithm, is applicable, a dynamic collision examination for the path, which has been suggested by the movement planning algorithm, is applicable, and wherein the collision examination determine whether, when moving the first arm a collision would be provoked. | 09-10-2015 |
20150239130 | Transport Tool for Transporting A Laboratory Article - A transport tool for transporting a laboratory article using a pipette of a pipetting system includes at least one plug-in sleeve, which is implemented for the releasable plugging-in of a receptacle cone of a pipette, and which can be plugged onto the receptacle cone of the pipette instead of a disposable pipette tip. In addition, the transport tool comprises an article holder having at least one holding part, which is implemented to form a support connection with a laboratory article. A connecting part connects the article holder to the plug-in sleeve, so that holding axes of the at least one article holder and the sleeve axis of the plug-in sleeve are arranged coaxially or axially-parallel to one another. The laboratory article has at least one flat, at least approximately horizontal surface. The article holder has a holding plate or a holding sleeve. | 08-27-2015 |
20150239129 | Transport Tool for Transporting A Laboratory Article - A transport tool for transporting a laboratory article using a pipette of a pipetting system includes at least one plug-in sleeve, which is implemented for the releasable plugging-in of a receptacle cone of a pipette, and which can be plugged onto the receptacle cone of the pipette instead of a disposable pipette tip. In addition, the transport tool includes an article holder having at least one holding part, which is implemented to form a support connection with a laboratory article. A connecting part connects the article holder to the plug-in sleeve, so that holding axes of the article holder and the sleeve axis of the plug-in sleeve are arranged coaxially or axially-parallel to one another. | 08-27-2015 |
20150233815 | Microplate Reader with Lid Lifter for Microplates - Microplate reader has a housing, at least one optical measuring/detection device, a microplate support, a moving unit and an integrated lid holding apparatus. The lid holding apparatus moves the microplate in one respective, at least approximately vertical direction for moving the microplate lid away from the microplate. The lid holding apparatus is arranged inside the housing as a magnetic lifter and comprises a non-array arrangement of at least one permanent magnet, or at least three electro magnets, or at least one switchable permanent magnet. Each microplate lid to be moved away from the microplate comprises magnetizable material with a physical area. A projected area of the at least one permanent magnet, electro magnet, or switchable permanent magnet is smaller than the physical area of the magnetizable material of the microplate lid. | 08-20-2015 |
20150224507 | Microplate Reader with Lid Lifter for Microplates - A microplate reader ( | 08-13-2015 |
20150174579 | SPACER FOR PIPETTE TIP CARRIERS STACKED ONE ON TOP OF ANOTHER - A frame-shaped, essentially rectangular spacer for pipette tip carriers stacked one on top of another includes a horizontal base surface, a peripheral side wall, which stands essentially perpendicular to the base surface and forms two longitudinal sides and two transverse sides, and an upper surface. Each longitudinal side and transverse side includes an inner side. The upper surface is arranged at an upper end of the side wall and essentially horizontally. The spacer is implemented to form a stabilizing support connection with an essentially rectangular pipette tip carrier positioned on the spacer. In addition, the spacer includes centering spring elements, which are arranged on the inner side of all longitudinal sides and transverse sides, having a springy part spaced apart in relation to the inner side of the respective side wall. | 06-25-2015 |
20150144489 | DISPOSABLE CARTRIDGE FOR MICROFLUIDICS SYSTEMS - A disposable cartridge used in a digital microfluidics system has a bottom layer with first hydrophobic surface, a rigid cover plate with second hydrophobic surface, and a gap there-between. The bottom layer is a flexible film on an uppermost surface of a cartridge accommodation site of a system, attracted to and spread over the uppermost surface by an underpressure. A lower surface of the plate and the flexible bottom layer are sealed to each other. The assembled cartridge is removed from the cartridge accommodation site in one piece and potentially includes samples and processing fluids. The system has a base unit and a cartridge accommodation site with an electrode array of individual electrodes and a central control unit for controlling selection of individual electrodes and for providing these electrodes with individual voltage pulses for manipulating liquid droplets within the gap by electrowetting. | 05-28-2015 |
20150096890 | MANIPULATING THE SIZE OF LIQUID DROPLETS IN DIGITAL MICROFLUIDICS - A biological sample processing system ( | 04-09-2015 |
20150060700 | OPTICAL MEASURING APPARATUS AND METHOD FOR THE ANALYSIS OF SAMPLES CONTAINED IN LIQUID DROPS - An optical measuring apparatus and method for analysis of samples contained in liquid drops provided by a liquid handling system has a liquid handling tip. A light source irradiates the liquid drop; a detector measures sample light; and an optics system with first optical elements transmits irradiation light, and a processor processes the measurement signals. The liquid drop is suspended at the liquid handling orifice of the liquid handling tip in a position where the liquid drop is penetrated by a first optical axis defined by the light source and the first optical elements. The liquid drop is physically touched only by the liquid handling tip and the liquid sample inside the liquid handling tip. A mutual adaption of the size and position of the liquid drop with respect to the first optical elements is achieved. | 03-05-2015 |
20150010908 | STR GENOTYPING BY DIFFERENTIAL HYBRIDIZATION - In a method of deducing the number of repeat units in a selected short tandem repeat (STR) in a genomic sample, at least a single stranded target DNA generated from a genomic sample comprising a selected STR, an STR probe (P1,P1′), a reference probe (P2), and two blockers (B1,B2) are provided, and at least three differential hybridization experiments are carried out, based on which the number of STR probe oligonucleotides (P1,P1′) bound per target DNA strand in each differential hybridization experiment is determined. The method further comprises the step of comparing these numbers of STR probe oligonucleotides (P1,P1′) bound per target DNA strand in the differential hybridization experiments for deducing the number of repeat units in the selected STR on the single stranded target DNA strand. Also disclosed are kits for carrying out STR genotyping by differential hybridization. | 01-08-2015 |
20140363355 | Pipetting Apparatus - Pipetting apparatus has a block for holding pipette tips and connecting to pipette cones of a multiple-pipette head of a liquid handling apparatus. The block has cavities in an array and pipette tips inserted therein as well as conical plug-in openings for pipette cones of a multiple-pipette head. The block additionally has devices for connecting the block and the head. The block has receptacles with a shoulder and inserts for inserting into the receptacles, insert having a cavity, a cylindrical insertion opening with inserted pipette tip and a conical plug-in opening for sealing introduction of a pipette cone. Each insert has a support with which it rests on the shoulder of a corresponding receptacle when inserted into the block. Preferably each insert lies in the corresponding receptacle of the block with horizontal play on all sides. | 12-11-2014 |
20140242685 | INLET VALVE FOR CHAMBER SYSTEMS AND SAMPLE CONTAINERS, AND CHAMBER SYSTEMS AND SAMPLE CONTAINERS WITH SUCH INLET VALVES - An inlet valve charges an inner chamber of a system or sample container with liquid and has a first pipetting axis, an inlet opening, it supplies liquid by a laboratory pipette that is automatically reclosed and also has a valve body with a blocking element, a pressing part and a throat, a valve space enclosing the valve body at least partly near the throat, a spring mechanism and a sealing element. The throat connects the blocking element to the pressing part and has an open passage region which opens into the liquid passage of the pressing part and into the valve space. The spring mechanism presses a sealing surface of the blocking element against the sealing element in a closed position of the valve body. The valve body can be brought to an open position by pressing the pressing part against the spring mechanism. | 08-28-2014 |
20140206093 | OPTICAL MEASURING APPARATUS AND METHOD FOR THE ANALYSIS OF SAMPLES CONTAINED IN LIQUID DROPS - An optical measuring apparatus and method for analysis of samples contained in liquid drops provided by a liquid handling system has a liquid handling tip. A light source irradiates the liquid drop; a detector measures sample light; and an optics system with first optical elements transmits irradiation light, and a processor processes the measurement signals. The liquid drop is suspended at the liquid handling orifice of the liquid handling tip in a position where the liquid drop is penetrated by a first optical axis defined by the light source and the first optical elements. The liquid drop is physically touched only by the liquid handling tip and the liquid sample inside the liquid handling tip. A mutual adaption of the size and position of the liquid drop with respect to the first optical elements is achieved. | 07-24-2014 |
20140200683 | LABORATORY SYSTEM - A laboratory system and a method for controlling a laboratory system comprises multiple subsystems; each subsystem being configured to receive and carry out a command; and a master control device configured to process command groups and/or command(s) within the same command group simultaneously; to process command groups and/or command(s) of different command groups sequentially; and within a command group, to process command group(s) and/or command(s) grouped into a command group before processing other commands command group(s) and/or command(s). | 07-17-2014 |
20140190832 | Microfluidics Systems with Waste Hollow - Digital microfluidics system manipulates samples in liquid droplets within a gap of at least one disposable cartridge. It is also provides additional space for collecting and/or storing waste fluids in this digital microfluidics system. It includes at least one waste hollow which is fluidly connected with a gap of a disposable cartridge that includes a bottom layer with a first hydrophobic surface and a top layer with a second hydrophobic surface. The waste hollow is located next to at least one individual waste electrode that is positioned next to at least one individual electrode of an electrode array. Each individual waste electrode is operatively connected to a central control unit and covers in each case a waste electrode area. | 07-10-2014 |
20140083337 | LABORATORY TABLE HAVING TABLETOP ELEMENTS - Laboratory table has a frame with front and rear frame parts, at least one detent element, at least one detent extension and at least one replaceable tabletop element on the frame. Each tabletop element has at least one fixing mechanism for interacting with the frame parts and for holding a corresponding detent element and detent extension in fixing positions. A detent element or detent extension in each case is spaced apart from the fixing mechanism. The frame part opposite to the frame part the fixing mechanism is interacting with comprises a detent element or a detent extension that in each case is brought into a mutual fixing position with a corresponding detent extension or detent element of the corresponding tabletop element. The corresponding detent extension is thus guided in a detent element parallel to a tabletop axis of the corresponding tabletop element. | 03-27-2014 |
20140046484 | Control Method for Computer-Controlled Liquid Handling Workstations - A control method for a computer-controlled liquid handling workstation which comprises a work surface, a motorized liquid handling robot with at least two pipettes each having a cone, and a control computer, to which the liquid handling robot is connected. A control program, activated in the control computer, enables the pipetting robot to position the pipette at specific positions on the work surface. The pipettes and at least one position are visualized as icons, using a visualization device. Upon selecting at least one pipette and designating a position, using an input mechanism, the selected pipette is moved down and up immediately after its selection, and moved to the designated position immediately after designating the position. These movements are carried out prior to selecting at least one action and its execution, enabling the operator to confirm the selection of the pipette and the designation of the position. | 02-13-2014 |
20140045210 | MICROPLATE READER WITH LID LIFTER FOR MICROPLATES - Microplate reader with optical measuring/detection device has housing, a microplate support and a moving unit. The moving unit moves the microplate support out and into the housing and horizontally within the housing. The reader has an integrated lid holding apparatus within the housing for lifting and placing a microplate lid on the microplate. The lid holding apparatus moves the microplate lid and/or the microplate support for moving the microplate in one respective vertical direction. A method for optically measuring a microplate in such a microplate reader places a covered microplate on the microplate support, retracts it into the housing, lifts the lid from the microplate, measures the microplate with the lifted lid, replaces the lid, and extends the support and the covered microplate out of the housing. | 02-13-2014 |
20140036070 | METHOD AND APPARATUS FOR DETECTING OR CHECKING AN ARRANGEMENT OF LABORATORY ARTICLES ON A WORK AREA OF A LABORATORY WORK STATION - A method of detecting an original arrangement of laboratory articles of a laboratory work station records reference digital images with a digital camera. An image is displayed and visible regions with characteristic features are selected by a user within an input device. Reference image sections and corresponding reference image parameter files are produced and stored. A current arrangement of laboratory articles is compared with a previously recorded original arrangement. Detection of the current arrangement occurred by recording current digital images with a digital camera and creating current image sections defined by X/Y parameters of the reference image parameter files from the current digital images. A computer-based comparison of the processed current image sections with the processed reference image sections occurred and an analysis of this comparison and the display of agreements, deviations and errors is found. | 02-06-2014 |
20130175169 | MANIPULATING THE SIZE OF LIQUID DROPLETS IN DIGITAL MICROFLUIDICS - Liquid droplet manipulation instrument has electrode array for inducing movement of a droplet by electrowetting, substrate supporting the array and control with electrode selector connected to a voltage control. The selector selects each electrode and provides each with a controlled voltage. The control includes central processing unit for providing the selected electrode with an individual voltage pulse which is a drive voltage or a ground voltage or a stop voltage. The control defines a path for movement of a liquid portion of a larger volume that covers more than one electrode by the simultaneous selection of a group of two or more subsequent drive electrodes and to provide each selected drive electrode with a drive voltage pulse along the path. The control simultaneously provides a group of two or more electrodes adjacent to or identical with the pulsed drive electrodes, with a ground or stop voltage pulse. | 07-11-2013 |
20130134040 | DISPOSABLE CARTRIDGE FOR MICROFLUIDICS SYSTEM - A disposable cartridge had body, bottom layer with first hydrophobic surface, top layer with a second hydrophobic surface, and gap between. The bottom layer is a flexible film sealingly attached at its circumference to the top layer. No spacer is between the layers. The top layer has loading sites for transferring processing liquids into the gap. In use, the bottom layer is a working film for manipulating samples in liquid droplets and is placed on an electrode array of a digital microfluidics system having base unit with cartridge accommodation site and electrode array at the site. The electrode array is supported by a bottom substrate that extends in a first plane and has individual electrodes. The system also includes a central control unit for controlling selection of the electrodes and for providing these electrodes with individual voltage pulses for manipulating liquid droplets within the gap by electrowetting. | 05-30-2013 |
20130126552 | METHOD FOR SELECTING PIPETTING PARAMETERS FOR A LIQUID - A method of selecting pipetting parameters of a pipetting device for dispensing or pipetting a specific volume of a liquid sample, includes a fluid column of a fluid chamber of the pipetting device set into oscillation at the beginning of the aspiration, the pressure is monitored with the pressure transducer in the fluid chamber, and the pressure changes generated during aspiration into measuring signals are recorded. These measuring signals are processed by a computer or micro-processor and reproduced as a pressure curve, which is characteristic for the fluid column with the aspirated liquid sample, and which is compared with known pressure curves. Based on this comparison, pipetting parameters of the pipetting device are selected for the dispense or for pipetting a specific volume of the liquid sample. Selectable pipetting parameters include a speed of a movement of a pump piston of the pipetting device. | 05-23-2013 |
20130126358 | SYSTEM FOR MANIPULATING SAMPLES IN LIQUID DROPLETS - A liquid droplet manipulation system has a substrate with at least one electrode array and a central control unit for controlling selection of individual electrodes of the electrode array and for providing the electrodes with individual voltage pulses for manipulating liquid droplets by electrowetting. A working film is placed on top of the electrodes for manipulating samples in liquid droplets with the electrode array. At least one selected individual electrode of the electrode array is configured to be penetrated by light of an optical detection system for the optical inspection or analysis of samples in liquid droplets that are located on the working film. Also disclosed is working film that is to be placed on the electrode array and a cartridge that includes such a working film for manipulating samples in liquid droplets. | 05-23-2013 |
20130118900 | CARTRIDGE AND SYSTEM FOR MANIPULATING SAMPLES IN LIQUID DROPLETS - A cartridge manipulates samples in liquid droplets with an electrode array when a working film is placed on the array. The cartridge has a body with lower surface and wells to hold samples, each with a bottom opening to release liquid. A piercable bottom structure seals the bottom openings. A working film below the body has a hydrophobic upper surface. A peripheral spacer connects the working film to the body and forms a gap is between the body and surface. A top piercing system located in at least one of the wells has a piston and a piercing element, the piston being movable in the well and the piercing element piercing the piercable bottom structure for releasing a sample from a well into the gap. | 05-16-2013 |
20130092288 | DISPENSER AND METHOD FOR DISPENSING FLOWABLE OR POURABLE MATERIALS - A dispenser delivering flowable or pourable material has a line for transporting the material from a container to an outlet end of the line. The line, filled with material, has its inlet end in the container or connected to the container. A stop valve controls dispensing of the material from the outlet end and a control controls opening and closing of the valve. The line has an elastic section inserted in the valve and the valve is a pinch valve for the stationary compression of the elastic section and therefore for closure of the line. The control controls an opening time of the valve for delivery of a defined quantity of material into a sample vessel, wherein this opening time is exclusively determined by properties of the material and properties of the line filled with material. | 04-18-2013 |
20110292383 | MICRO CUVETTE ASSEMBLY AND USE THEREOF - Micro cuvette assembly for examining biological samples has a first partial plate with one or more first cuvette surfaces and a second partial plate opposite the first and which also has one or more second cuvette surfaces. In an active position of the assembly, the second cuvette surfaces are arranged parallel and in register with the first cuvette surfaces and are spaced apart from the first cuvette surfaces whereby one or more micro cuvettes are formed. The first and second partial plates also have openings arranged in register with the cuvette surfaces and transparent bodies are provided as the cuvette surfaces. The first and second plates are completely penetrated by these openings and the transparent bodies are manufactured from a different material than the partial plates and span the openings close to a first surface of the partial plates. The first and second cuvette surfaces of a micro cuvette in the active position are wetted by a liquid volume which has previously been applied to one of the cuvette surfaces so that the liquid volume is held between these two cuvette surfaces. | 12-01-2011 |
20110240471 | EXCHANGEABLE CARRIERS PRE-LOADED WITH REAGENT DEPOTS FOR DIGITAL MICROFLUIDICS - The present invention provides exchangeable, reagent pre-loaded carriers ( | 10-06-2011 |
20110239757 | Capacitive Measuring Method and Apparatus for Fill Level Detection and Correspondingly Equipped Laboratory Equipment - The invention relates to apparatuses ( | 10-06-2011 |
20110182782 | POSITIVE DISPLACEMENT PUMP WITH PRESSURE SENSOR - A positive displacement pump ( | 07-28-2011 |
20110114854 | SLIDE TRANSFER MECHANISM FOR A LASER SCANNER DEVICE - A slide transfer mechanism for a laser scanner device ( | 05-19-2011 |
20100301232 | LASER SCANNER APPARATUS FOR FLUORESCENCE MEASUREMENTS - The invention relates to a laser scanner apparatus ( | 12-02-2010 |
20100179687 | Interlacing pipette or dispenser tips in a liquid handling system - A liquid handling system has a robot manipulator for orienting pipette or dispenser tips in relation to sample containers situated in or on the system, pipette or dispenser tips, drives for moving the robot manipulator, and processors for controlling the movements and actions of the robot manipulator and/or of the pipette or dispenser tips. The system also includes at least two blocks situated on two arms of the robot manipulator, at least two of the pipette or dispenser tips being situated on each block and at an axial distance to one another. The axial distance essentially corresponds to the grid spacing of wells of a microplate. At least one of these blocks, for the alternating interlaced orientation of the pipette or dispenser tips of at least two blocks along a shared line, are individually movable at least in the X direction. A method allows the time-saving pipetting over of liquid samples between diverse sample containers, e.g., between sample tubes and microplates having 24, 96, 384, or 1536 wells. | 07-15-2010 |
20090117010 | PIPETTING APPARATUS WITH INTEGRATED LIQUID LEVEL AND/OR GAS BUBBLE DETECTION - A pipetting apparatus has a fluidic space to which a pressure transducer with a pressure sensor is attached with a gas filled space. The fluidic space is defined by a pipette tip, a first tubing that connects the pipette tip to a pump, and an active part of the pump. The pipetting apparatus further has an impulse generating mechanism that is in operative contact with a column of system liquid inside the fluidic space. The impulse generating mechanism induces a vertical movement in the system liquid column, which results in a pressure variation in the gas filled space that is pneumatically connected with the fluidic space. This pressure variation, as recorded with the pressure transducer and as processed by a first data processing unit during utilization of this pipetting apparatus, is taken as an indicator for the detection of penetration or of quitting of a surface of a liquid, with an orifice of the pipette tip, of which liquid an amount is to be aspirated and dispensed. This pressure variation is also taken as an indicator for the detection of the presence or the absence of gas bubbles in the system liquid contained in the fluidic space of this pipetting apparatus. | 05-07-2009 |