Abstract: Integrated devices that include a sample preparation component integrated with a detection component are disclosed. The sample preparation component may be a digital microfluidics module or a surface acoustic wave module which modules are used for combing a sample droplet with a reagent droplet and for performing additional sample preparation step leading to a droplet that contains beads/particles/labels that indicate presence or absence of an analyte of interest in the sample. The beads/particles/labels may be detected by moving the droplet to the detection component of the device, which detection component includes an array of wells. Additonal analyte detection devices configured to operate an analyte detection chip to prepare a test sample and to detect an analyte related signal from the prepared test sample in the analyte detection chip are disclosed. The analyte detection chip may include a digital microfluidics (DMF) region and an analyte detection region which may overlap or may be spatially separated.
Type:
Grant
Filed:
October 5, 2017
Date of Patent:
December 14, 2021
Assignee:
Abbott Laboratories
Inventors:
Jeffrey B. Huff, Mark A. Hayden, Graham Davis, Sergey Gershtein
Abstract: Methods, devices, and systems for automated cellular analysis of a body fluid sample are disclosed. The methods, devices, and systems apply watershed transform to data, generated by flowing a body fluid sample through a flow cytometer, to determine threshold(s) to be used for analysis of the data.
Abstract: A method for identifying, analyzing, and quantifying the cellular components of whole blood by means of an automated hematology analyzer and the detection of the light scattered, absorbed, and fluorescently emitted by each cell. More particularly, the aforementioned method involves identifying, analyzing, and quantifying the cellular components of whole blood by means of a light source having a wavelength ranging from about 400 nm to about 450 nm and multiple in-flow optical measurements and staining without the need for lysing red blood cells.
Type:
Grant
Filed:
April 28, 2017
Date of Patent:
December 7, 2021
Assignee:
Abbott Laboratories
Inventors:
Martin Krockenberger, Jiong Wu, Bodo Roemer, Giacomo Vacca
Abstract: Systems, apparatus, and related methods for evaluating biological sample integrity are disclosed herein. An example method includes scanning a sample container having a sample disposed therein to generate signal data including a first signal portion and a second signal portion. The example method includes detecting if the sample container includes a label attached to a surface of the sample container based on the second signal portion. If the sample container includes a label, the example method includes applying an adjustment factor to the second signal portion to create adjusted signal data. The example method includes determining a property of the sample based on one or more of the first signal portion or the adjusted signal data.
Type:
Grant
Filed:
February 28, 2020
Date of Patent:
November 30, 2021
Assignee:
Abbott Laboratories
Inventors:
Patrick P. Fritchie, Michael Shawn Murphy, Michael Cobert
Abstract: Example methods, apparatus, systems for diluting samples are disclosed. An example method includes depositing a first fluid droplet on a first electrode of a plurality of electrodes. The first electrode has a first area. The first fluid droplet has a first volume associated with the first area. The example method includes depositing a second fluid droplet on a second electrode of the plurality of electrodes. The second electrode has a second area. The second fluid droplet has a second volume associated with the second area. The second volume is different than the first volume. The example method includes forming a combined droplet by selectively activating at least one of the first electrode or the second electrode to cause one of the first fluid droplet or the second fluid droplet to merge with the other of the first fluid droplet or the second fluid droplet.
Abstract: Disclosed are methods of reducing the incidence of necrotizing enterocolitis in an infant, toddler, or child using nutritional compositions including human milk oligosaccharides. The nutritional compositions including the human milk oligosaccharides are effective in reducing inflammation and the incidence of inflammatory diseases.
Type:
Grant
Filed:
November 11, 2019
Date of Patent:
November 23, 2021
Assignee:
ABBOTT LABORATORIES
Inventors:
JoMay Chow, Steven R. Davis, Rachael Buck, Geralyn O. Duska-McEwen, Hawley K. Linke
Abstract: Disclosed herein are improved methods of processing, measuring, and detecting levels of ubiquitin carboxy-terminal hydrolase L1 (UCH-L1) in blood samples taken from a human subject at time points within about 8 hours (or about 8 hours or less) after obtaining the sample from the subject. UCH-L1 is an early biomarker for traumatic brain injury (TBI), and there is a need for improved methods for assessing UCH-L1 in blood can aid in the diagnosis and evaluation of a human subject who has sustained or may have sustained a head injury.
Type:
Grant
Filed:
July 2, 2018
Date of Patent:
November 9, 2021
Assignee:
Abbott Laboratories
Inventors:
Gangamani S. Beligere, Melissa B. Brennan, Jessica Grieshaber, David Pacenti, Saul A. Datwyler, John M. Ramp
Abstract: A nutritional composition for use in providing a neuroprotective effect to an individual in need thereof which nutritional composition comprises at least one human milk oligosaccharide selected from lacto-N-neotetraose and 2?-fucosyllactose.
Abstract: The present disclosure includes methods of assessing a histologically stained specimen based on a determined color signature of a region of interest of the specimen. Such assessments may be performed for a variety of purposes including but not limited to assessing the quality of the histological stain, as part of identifying one or more biologically relevant features of the image, as part of differentiating one feature of the image from other features of the image, identifying an anomalous area of the stained specimen, classifying cells of the specimen, etc. Also provided are systems configured for performing the disclosed methods and computer readable medium storing instructions for performing steps of the disclosed methods.
Type:
Grant
Filed:
July 15, 2019
Date of Patent:
October 26, 2021
Assignee:
Abbott Laboratories
Inventors:
Svitlana Y. Berezhna, Rene Nieves Alicea, Marilou L. Coleman, Walter G. Stonas, Willie J. Cowart, Wenjing Li, Ema C. Olah
Abstract: The invention provides decision tree based systems and methods for estimating the risk of acute coronary syndrome (ACS) in subjects suspect of having ACS. In particular, systems and methods are provided that employ additive decision tree based algorithms to process a subject's initial cardiac troponin I or T (cTnI or cTnT) concentration, a subject's cTnI or cTnT rate of change, and at least one of the following: the subject's age, the subject's gender, the subject's ECG value, the subject's hematology parameter value, to generate an estimate risk of ACS. Such risk stratification allows, for example, patients to be ruled in or rule out with regard to needing urgent treatment.
Abstract: In some aspects of the present disclosure, methods of detecting coincident sample events are provided. The methods include receiving a first set of signal data representing detected signals from a flow cytometer system; detecting, with a peak detection module, one or more peaks within the signal data; and cancelling, with a successive cancellation module, one or more individual sample events from the signal data at corresponding time indexes, wherein the cancellation of more than one individual sample event is successive. Devices and system related thereto are also provided.
Abstract: The instant disclosure provides methods of extracting stain-independent features from digital images of histologically stained cells. Stain-independent features provide consistent assessment of cell morphology in the presence of staining variation and across different stains or stain formulations. Improved consistency in cell morphology assessments finds use in automated cell classification and other image processing applications. Also included are systems for practicing the described methods. The instant disclosure also provides computer readable media storing instructions that, when executed by a computing device, cause the computing device and/or components of a described system to perform steps of a method involving of extraction of stain-independent features from digital images.
Abstract: A method for preventing or mitigating an acute allergic response in a subject is disclosed. The method includes a step of administering a nutritional composition to the subject. The nutritional composition includes at least one of an acidic or a neutral HMO, but does not include an N-acetyl-lactosamine.
Type:
Grant
Filed:
December 30, 2019
Date of Patent:
October 5, 2021
Assignee:
ABBOTT LABORATORIES
Inventors:
Rachael Buck, Steven Davis, Paul Forsythe
Abstract: A method for counting blood cells in a sample of whole blood. The method comprises the steps of: (a) providing a sample of whole blood; (b) depositing the sample of whole blood onto a slide, e.g., a microscope slide; (c) employing a spreader to create a blood smear; (d) allowing the blood smear to dry on the slide; (e) measuring absorption or reflectance of light attributable to the hemoglobin in the red blood cells in the blood smear on the slide; (f) recording a magnified two-dimensional digital image of the area of analysis identified by the measurement in step (e) as being of suitable thickness for analysis; and (g) collecting, analyzing, and storing data from the magnified two-dimensional digital image. Optionally, steps of fixing and staining of blood cells on the slide can be employed in the method.
Abstract: Disclosed herein are methods that aid in the diagnosis and evaluation of a human subject that has sustained or may have sustained an injury to the head, such as mild or moderate, severe, or moderate to severe traumatic brain injury (TBI), using cTnI. Also disclosed are methods for determining whether to perform a head computerized tomography on a subject by detecting levels of cTnI. Finally, also disclosed are methods of outcome in subjects suffering from a mild TBI.
Abstract: Disclosed embodiments provide nutritional compositions and methods of enhancing maturation of an infant's brain. The methods include the step of administering to the infant a nutritional composition comprising a protein with a degree of hydrolysis of 10% to 75% in combination with at least one of a monoglyceride, a free fatty acid, a salt of a free fatty acid, a phospholipid, and cholesterol.
Type:
Grant
Filed:
December 27, 2016
Date of Patent:
September 28, 2021
Assignee:
ABBOTT LABORATORIES
Inventors:
Tapas Das, Mustafa Vurma, Chron-Si Lai, Paul Johns
Abstract: Example apparatus and methods related to automated diagnostic analyzers having rear accessible track systems are described herein. An example apparatus disclosed herein includes an analyzer to perform a diagnostic test. The analyzer has a first side and a second side opposite the first side. The example apparatus includes a loading bay disposed on the first side of the analyzer to receive a first carrier and a pipetting mechanism coupled to the analyzer adjacent the second side. The example apparatus also includes a first carrier shuttle to transport the first carrier from a first location adjacent the loading bay to a second location adjacent the pipetting mechanism and a track disposed adjacent the second side of the analyzer to transfer a second carrier to a third location adjacent the pipetting mechanism.
Type:
Grant
Filed:
March 19, 2019
Date of Patent:
September 21, 2021
Assignees:
Abbott Laboratories, Canon Medical Systems Corporation
Inventors:
Brian L. Ochranek, David C. Arnquist, Takehiko Oonuma, Hirotoshi Tahara, Naoto Sato, Bradley P. Smith
Abstract: Disclosed are methods of modulating and/or decreasing serum corticosterone levels in an individual affected by stress. Further disclosed are methods of modulating the hypothalamic pituitary adrenal response in an individual. The methods include administration of 2-fucosyl-lactose to an individual.
Abstract: A diagnostic analyzer includes a rotating device, a first optical reader, and a second optical reader. The rotating device includes a first darkened compartment, a second darkened compartment, and an optical path along which the first darkened compartment and the second darkened compartment travel. The first optical reader is operable to read the first darkened compartment and the second optical reader is operable to read the second darkened compartment.