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US20150346168 SOLVENT DELIVERY SYSTEM FOR LIQUID CHROMATOGRAPHY THAT MAINTAINS FLUID INTEGRITY AND PRE-FORMS GRADIENTS  
A solvent delivery subsystem for a chromatography device performs relatively low pressure, high flow mixing of solvents to form a gradient and subsequent high pressure, low flow delivery of the...
US20050236314 Variable flow rate injector  
A variable flow rate injector provides accurate, precise, and reproducible injection volumes that have low dispersion. The invention is particularly well-suited for HPLC injection volumes <500 nL...
US20140345372 MANAGING FLUIDIC CONNECTIONS TO MICROFLUIDIC DEVICES  
A system (e.g., a chromatography system) includes a rotor, a microfluidic device, a rotor driver, a clamping mechanism, and control electronics. The rotor defines a plurality of first...
US20050224403 Liquid chromatographic method and system  
A chromatographic monitor includes an array of flow cells with individual light sensors that are collectively an array of photodiodes. The output from the photodiodes are multiplexed. To prevent...
US20160069846 Methods and Apparatus for Analyzing Samples and Collecting Sample Fractions  
Methods and apparatus for analyzing a sample using at least one detector are disclosed.
US20070295062 MULTI-DIMENSIONAL LIQUID CHROMATOGRAPHY SEPARATION SYSTEM AND METHOD  
A multi-dimensional separation system having parallel traps for effluent from prior separation dimension and parallel latter separation columns, the latter columns being coupled to the traps. At...
US20070199874 Three-dimensional liquid chromatography  
In a liquid chromatography apparatus, a separation column of intermediate stage is additionally connected between a separation column of first stage and a separation column of second stage....
US20120222470 WAY OF METHOD TRANSFER OF LIQUID CHROMATOGRAPH AND LIQUID CHROMATOGRAPH SYSTEM  
Provided is a liquid chromatograph system and method configured to accurately obtain measurements by minimizing deviations in measurements due to a transfer from one measurement method to another...
US20060219637 Devices, systems and methods for liquid chromatography  
Devices comprising a mechanism for selectively diverting a portion of a mobile phase flowing through a mobile-phase transporting conduit to a fluid-transporting conduit comprising a stationary...
US20090158820 METHOD AND SYSTEM FOR DOWNHOLE ANALYSIS  
Advanced remote self-contained chromatographic systems and techniques for analyzing a mixture comprising components having a wide range of boiling points. The chromatographic systems and...
US20110132077 MULTI-WAVELENGTH LIGHT SOURCE  
A fluid separation system (10) for separating compounds of a sample fluid in a mobile phase comprises a detector (50) adapted to detect separated compounds by providing an optical stimulus signal...
US20070234785 System and method for using a flexible membrane for controlling fluid flow in a microfluidic circuit  
A system for controlling fluid flow in a microfluidic circuit located in a liquid chromatograph includes at least one microfluidic channel and a flexible membrane adjacent the at least one...
US20170010243 MULTIPLE COLUMN CHROMATOGRAPHIC SYSTEM AND METHODS OF USE  
A chromatographic apparatus includes two chromatographic columns configured to perform chromatography. The apparatus further includes a primary valve disposed upstream of the first chromatographic...
US20050258087 Novel collection system for chromatographic system  
The present invention provides a method and device for collecting and concentrating a desired compound from a chromatographic column exit stream. The collection chamber can be heated or cooled and...
US20140238113 METHOD FOR MEASURING STABLE HEMOGLOBIN A1c USING LIQUID CHROMATOGRAPHY, AND METHOD FOR SIMULTANEOUS MEASUREMENT OF STABLE HEMOGLOBIN A1c AND ABNORMAL HEMOGLOBIN USING LIQUID CHROMATOGRAPHY  
An object of the present invention is to provide a method capable of measuring stable hemoglobin A1c using liquid chromatography in a short time with good reproducibility. The present invention is...
US20070163962 Fraction collection in high performance liquid chromatography  
A system and method for substantially continuous fraction collection includes a control device and a fluidic switch. The control device selects the state of the fluidic switch, and thereby...
US20130091935 LIQUID CHROMATOGRAPH AND PUMP UNIT FOR LIQUID CHROMATOGRAPH  
In a liquid chromatograph and a pump unit for liquid chromatograph whereby a sample is analyzed while changing the mixing ratio of multiple kinds of solvents, mixing of the solvents can be...
US20110179856 ANALYZING DEVICE  
A liquid chromatography device includes a column containing a filler, an injection valve capable of introducing a sample into the column and also capable of introducing a liquid mobile phase into...
US20110232373 CHROMATOGRAPHIC SEPARATION DEVICE WITH VARIABLE LENGTH AND A METHOD FOR ITS USE  
The present invention enables the automatic change of the number of segments involved in a coupled chromatographic column system, without the need to physically detach and attach the individual...
US20070029791 Column with tapered intermediate piece  
An intermediate piece for connection between a column tube, adapted for containing a fluid separation material for separating different compounds of a fluid, and a fitting element adapted for...
US20100199750 Microfludic Analysis System and Method  
A microfluidic processing system having a manifold with at least one inlet; at least one outlet; and a plurality of microfluidic chip holders. A fluidic jumper is coupled to one of the chip...
US20130032520 LIQUID CHROMATOGRAPH, DEVICE AND METHOD FOR CALCULATING ELUTION TIME, AND DEVICE AND METHOD FOR DETERMINING MIXTURE RATIO  
Provided that elapsed time from the start of the flow-in of an eluent into a column is t0 and the mobility Rfc(t/t0) of a component c in a sample is represented by a function of elapsed time t...
US20120227470 Chromatography Apparatus Having An Integrated Core  
A chromatography apparatus includes a sample-delivery patterned substrate and a tube-based separation column directly connected to an outlet port of the patterned substrate. The patterned...
US20130312501 Inline filter housing assembly  
A novel filter housing assembly for use in liquid chromatography and similar fluid flow based systems capable of use at high pressure, well above 1000 psi, is disclosed. The filter housing...
US20070000311 Method for measuring substance having affinity  
The binding reaction between an affinity substance to be measured and a binding partner having binding affinity for the affinity substance is measured based on agglutination reactions. Carrier...
US20140318224 HIGH-PRESSURE CONSTANT FLOW RATE PUMP AND HIGH-PRESSURE CONSTANT FLOW RATE LIQUID TRANSFER METHOD  
A high-pressure constant flow rate pump transfers a solvent from a low-pressure side liquid transfer system even if a difference between mixing ratios is large when solvents are mixed during...
US20110083493 Liquid Chromatography Detector and Flow Controller Therefor  
A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet...
US20100288026 LIQUID CHROMATOGRAPHY DETECTOR AND FLOW CONTROLLER THEREFOR  
A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet...
US20090151432 Block Valve and Simulated Moving Bed Type Chromatographic Separation Apparatus Having the Same Valve  
A block valve of the present invention comprises; a block portion (1) comprised of a trunk fluid channel penetrating the block portion (1) and four branch fluid channels branching in pair from the...
US20120034566 MICRO-CHANNEL DEVICE AND METHOD FOR FABRICATING MICRO-CHANNEL DEVICE  
A micro-channel device provided in a solution analysis system using pressure liquid feed comprises a plurality of straight-line channels and curved channels connecting the ends of the neighboring...
Matches 1 - 30 out of 30