Agilent Technologies Patent Grants

Drive shaft connector with counterweight and blades for cooling pump motor

Granted: June 27, 2023
Patent Number: 11686311
A fluid pump includes a pump head and a motor coupled by a drive shaft. The pump head includes a pump inlet, a pump outlet, and a pumping stage in which a movable pump element is driven by the drive shaft. The motor includes a motor rotor and a motor stator. A connector couples the motor rotor and the drive shaft. The connector includes a plate rotatable with the drive shaft, fan blades attached to the plate for establishing a flow of air for cooling the motor, and one or more…

Tip for interface cones

Granted: June 6, 2023
Patent Number: 11667992
A tip including an alloy of platinum and an alloying element chosen from gold, palladium, ruthenium, osmium, iron, cobalt, nickel, copper, zinc, silver, chromium, manganese, titanium, niobium, scandium, vanadium, yttrium, zirconium, molybdenum, tantalum, tungsten, technetium, cadmium, hafnium, rhenium, less than 5 wt. % of iridium, less than 5 wt. % of rhodium, greater than 20 wt. % iridium, greater than 20 wt. % rhodium, and a combination thereof, relative to the total weight of the…

Anti-human LAG-3 antibodies and their use in immunohistochemistry (IHC)

Granted: June 6, 2023
Patent Number: 11667711
Provided are chimeric or recombinant antibodies (Ab), or antigen binding fragments thereof, or monomeric or dimeric antigen binding proteins, that can specifically bind to human LAG-3 polypeptides, including human LAG-3 polypeptides expressed on the surface of lymphocytes such as activated T cells that have infiltrated tumors or tumor infiltrating lymphocytes (TILs), and methods for making and using them. In alternative embodiments, chimeric or a recombinant antibodies (Ab), or antigen…

System and method of data-dependent acquisition by mass spectrometry

Granted: May 9, 2023
Patent Number: 11646185
Systems, computer-readable media, and methods using mass spectrometry to analyze a sample are provided. For example, a method includes: acquiring a precursor ion spectrum; analyzing the precursor ion spectrum to identify precursor ions that preliminarily match one or more peptides that each belong to at least one protein of interest for the analysis; selecting each of the identified precursor ions in an order according to a ranking protocol for maximizing the number of proteins that are…

System and method of data-dependent acquisition by mass spectrometry

Granted: May 9, 2023
Patent Number: 11646185
Systems, computer-readable media, and methods using mass spectrometry to analyze a sample are provided. For example, a method includes: acquiring a precursor ion spectrum; analyzing the precursor ion spectrum to identify precursor ions that preliminarily match one or more peptides that each belong to at least one protein of interest for the analysis; selecting each of the identified precursor ions in an order according to a ranking protocol for maximizing the number of proteins that are…

Method and apparatus for measuring physiological properties of biological samples

Granted: May 2, 2023
Patent Number: 11639925
The present disclosure relates to methods and apparatus for measuring of multiple physiological properties of biological samples, such as measuring biological flux.

Pressure decoupling fluid drive unit from flow path for pressure adjustment of sample accommodation volume

Granted: April 25, 2023
Patent Number: 11635412
An apparatus for separating a fluidic sample includes a fluid drive arrangement including fluid drive units for driving a mobile phase along a flow path to a sample separation unit, a sample accommodation volume for accommodating the fluidic sample and selectively fluidically coupleable with or decoupleable from the flow path, and a control unit. The control unit is configured to control pressure decoupling of at least part of at least one of the fluid drive units from the flow path, and…

Synchronization of supply flow paths

Granted: April 25, 2023
Patent Number: 11635065
A solvent supply system for supplying a composite includes a first supply path with a first pump unit, the first supply path being adapted for supplying a first solvent to a mixing unit, the first pump unit operating periodically, and a second supply path with a second pump unit, the second supply path being adapted for supplying a second solvent to the mixing unit, the second pump unit operating periodically. The mixing unit is adapted for mixing the first and the second solvent and for…

Sample dispatching with fluidic sample retaining

Granted: April 18, 2023
Patent Number: 11630090
A sample dispatcher for a fluid separation apparatus includes a sampling path including a sampling volume, a sampling unit, and a retaining unit. The sampling unit receives a fluidic sample, and the sampling volume temporarily stores an amount of the received sample. The retaining unit receives and retains from the sampling volume at least a portion of the stored sample, and has different retention characteristics for different components of the sample. A switching unit is coupled to the…

Inductively coupled plasma mass spectrometry (ICP-MS) with improved signal-to-noise and signal-to-background ratios

Granted: April 18, 2023
Patent Number: 11631575
In an inductively coupled plasma-mass spectrometry (ICP-MS) system, ions are transmitted into a collision/reaction cell. A DC potential is applied at an exit of the cell at a first magnitude to generate a DC potential barrier effective to prevent the ions from exiting the cell. The DC potential barrier is maintained during a confinement period to perform an interaction. After the confinement period, analyte ions or product ions are transmitted to a mass spectrometer by switching the exit…

Purging bottle

Granted: April 11, 2023
Patent Number: D983406

Real time electronic cell sensing systems and applications for cell-based assays

Granted: March 14, 2023
Patent Number: 11604197
Methods for identifying compounds that modulate cellular responses stimulated by IgE, which include providing an impedance-based system that monitors cell-substrate impedance of cells on a substrate; introducing cells to the substrate of the system; adding at least one test compound and IgE to the cells, wherein the at least one test compound is suspected of modulating cell responses stimulated by the IgE; adding an antigen to the cells; monitoring the cell-substrate impedance of cells…

Scoring methods for anti-PD therapy eligibility and compositions for performing same

Granted: February 21, 2023
Patent Number: 11585817
Aspects of the present disclosure provide methods for determining the eligibility of a subject having a malignancy for treatment with an anti-PD therapeutic agent based on a Combined Positive Score (CPS) for a tumor tissue sample from the subject. Compositions and kits or performing the disclosed methods are also provided.

Phosphorous protecting groups and methods of preparation and use thereof

Granted: February 21, 2023
Patent Number: 11584773
Aspects of the present disclosure include compositions that make use of phosphorus and/or nucleobase protecting groups which find use in the synthesis of long polynucleotides. Phosphorus protecting groups are provided that help increase the stepwise coupling yield and/or phosphorous protecting groups that can be removed during the oxidation step. Amidine nucleobase protecting groups are provided that find use in the subject compositions and methods which provides for e.g., increased…

Polychromator systems and methods

Granted: February 14, 2023
Patent Number: 11579459
A polychromator system comprising: an optical element defining an aperture; a collimation mirror for receiving light via the aperture and reflecting substantially collimated light; at least a first dispersive optical component and a second dispersive optical component, each configured to disperse the substantially collimated light received from the collimation mirror by different amounts for different wavelengths and to provide cross-dispersed light having different wavelengths of light…

Modified multiplex and multistep amplification reactions and reagents therefor

Granted: February 14, 2023
Patent Number: 11578357
The invention relates to reagents and methods for improving the efficiency of multiplex nucleic acid amplification, in particular where overlapping amplicons are to be generated. The invention also relates to reagents and methods for improving the efficiency of multistep nucleic acid amplification, in particular the performance of two separate amplification reactions designed to occur in sequence in the same reaction mixture or vessel. The invention further relates to reagents and…

Touchless package

Granted: February 7, 2023
Patent Number: D977341

Injector with fluid supply and mobile phase discharge

Granted: January 31, 2023
Patent Number: 11567040
Injector (40) for injecting a fluidic sample into a mobile phase in a sample separation apparatus (10), the injector (40) comprising a main flow path (100) between a fluid drive (20) and a sample separation device (30), wherein the fluid drive (20) is adapted to drive the mobile phase and the sample separation device (30) is adapted to separate the fluidic sample that is injected into the mobile phase, a discharge device (104) for discharging an, in particular predetermined, amount of…

Precision high voltage power supply with dual feedback loop

Granted: January 17, 2023
Patent Number: 11557974
A high-voltage (HV) power supply outputs an output voltage based on a control signal produced by a dual analog/digital feedback loop. The control signal is determined at least in part by an error amplifier that receives a measurement signal, proportionally attenuated from the output voltage, and a digital-to-analog converter (DAC) output signal. An analog-to-digital converter (ADC) also receives the measurement signal and transmits it in digitized form to a digital processor. The digital…

Molecular fabrication

Granted: January 10, 2023
Patent Number: 11549106
Provided herein is a method for fabricating transformable or transfectable molecules that includes an assembly reaction containing a variety of pre-made cassettes possessing ends that hybridize to one another, transforming or transfecting said molecules into a desired host cell and then selecting a transformed/transfected host cell containing plasmid molecules composed of said the cassettes. A kit for performing the method is also provided.