G01N21/272

Foam/liquid monitoring system

A monitoring system for monitoring a process includes a housing with a viewing panel. The viewing panel includes a view port. An emitter generates light and illuminates an observation zone of the process. A detector is disposed within the housing and is configured to detect light entering the housing through the view port and create a plurality of images of the process in the observation zone. A thermal regulation system is configured to generate heat in the vicinity of the viewing panel of the housing so as to increase the temperature of at least the view port above ambient temperature.

Optical analysis and sampling systems

A sampling system for an optical cell containing a process fluid comprises a first bi-directional pump in fluid communication with a sampling path and a second bi-directional pump in fluid communication with the first bi-directional pump and a storage vessel. The first bi-directional pump is configured to withdraw a first sample of the process fluid and to cause the first sample to flow towards the first bi-directional pump. The second bi-directional pump is configured to withdraw a second sample from the storage vessel and to cause the second sample to move toward and mix with the first sample. A first rate of withdraw of the first sample is greater than a second rate of movement of the second sample toward the first sample, and the difference between the first rate and the second rate correspond to a pre-determined ratio of the first sample mixed with the second sample.

TRACKING WOUND HEALING PROGRESS USING REMOTE IMAGE ANALYSIS
20220013216 · 2022-01-13 · ·

Systems and methods for tracking healing progress of multiple adjacent wounds are provided. In one embodiment, a system may include a processor configured to receive a first image of a plurality of adjacent wounds near a form of colorized surface having colored reference elements, determine colors of the plurality of wounds, correct for local illumination conditions, receive a second image of the plurality of wounds near the form of colorized surface, to determine second colors of the plurality of wounds in the second image, match each of the plurality of wounds in the second image to a wound of the plurality of wounds in the first image, and determine an indicator of the healing progress for each of the plurality of wounds based on changes between the first image and the second image.

Systems and Methods for Quantifying Analytes with Minimal Inter-Sample Variability
20210349012 · 2021-11-11 ·

Disclosed herein are systems and methods for quantifying analytes in a desired complex solution with minimal inter-sample variability. The invention includes methods and diagnostic tools for quantifying analytes in aqueous solutions or biological fluid samples with sample-specific calibration and colorimetric or detectable output.

PHOTOMETRIC INTERFERENCE DETERMINATION

A method of determining a level of interference with a photometric in-vitro diagnostic assay and an in-vitro diagnostic analyzer for carrying out the method are described. The method comprises treating an aliquot of a sample with at least one reagent to obtain a sample/reagent mixture and subjecting the sample/reagent mixture to a photometric measurement in order to obtain a result of the in-vitro diagnostic assay, and during the same photometric measurement determining a preliminary level of interference by semi-quantitatively determining one or more interfering substances in the same sample/reaction mixture. The method further comprises triggering a separate photometric measurement of another aliquot of the same sample either undiluted or diluted with a liquid other than a reagent in order to determine an effective level of interference by quantitatively determining the one or more interfering substances, only upon determining a preliminary level of interference above a predetermined threshold.

Methods and systems for calibrating and using a camera for detecting an analyte in a sample

A calibration method for calibrating a camera for detecting an analyte in a sample is disclosed. A plurality of different color coordinate systems and a set of test samples are provided. The test samples are applied to test elements that have test fields for producing an optically detectable reaction. Images of the colored test fields are acquired using the camera and color coordinates for the images are generated. The color coordinates that are generated are transformed into a set of measured concentrations by using a set of coding functions. The set of measured concentrations is compared with the known concentrations of the test samples and a best match color coordinate system of the plurality of color coordinate systems is determined. A best match coding function of the plurality of coding functions is also determined.

Methods and sensors for detection

Embodiments of the present disclosure provide for methods of detecting, sensors (e.g., chromogenic sensor), kits, compositions, and the like that related to or use tunable macroporous polymer. In an aspect, tunable macroporous materials as described herein can be used to determine the presence of a certain type(s) and quantity of liquid in a liquid mixture.

Method and apparatus for rapid detection of bacterial contamination

A device and method for detecting the presence of bacteria in a sample are provided. A multi-step process for sample preparation is utilized and a microfluidic device is disclosed. The detection is performed using microfluidics and physical changes in multiple samples in differential mode.

Blood analyzing method for D dimer (DD) content
11162957 · 2021-11-02 · ·

A blood analyzing method includes optically measuring a first calibration sample prepared from a fibrin/fibrinogen degradation product (FDP) measurement reagent and a first calibrator containing D-dimer (DD) and having a first value relating to the ratio of the content of FDP to the content of DD, acquiring first calculation data based on temporal change of optical information of the first calibration measurement sample, performing optical measurement of a second calibration measurement sample prepared from FDP measurement reagent and a second calibrator containing DD and having a second value that is different from the first value, acquiring second calculated data based on a temporal change in optical information of the second calibration measurement sample, and acquiring calibration curve information indicating the relationship between the calculation data and the value relating to the amount of DD.

METHODS AND SYSTEMS FOR DETECTION OF FIBRIN FORMATION OR REMOVAL AT THE NANO-SCALE

Systems and methods for imaging and tracking fibrin formation via interaction of a test sample with a clotting agent or for imaging and tracking fibrin removal by an anti-clotting agent are described.In certain embodiments, the systems (200) comprise a planar reflective substrate (222, 224) comprising one or more capture agents and/or one or more fibrin reference regions; a mount for holding the substrate; an illumination light source (201) for directing illumination light toward a top surface of the substrate with fibrin (226)formed thereon; an image detector (232, 234) aligned with respect to the mount for detecting a portion of the illumination light that is scattered by the fibrin, and/or reflected by the reflective substrate, thereby obtaining a label-free image of fibrin formation or fibrin removal; a processor of a computing device (240); and a memory having instructions stored thereon, wherein the instructions, when executed by the processor, cause the processor to: receive and/or access data corresponding to the one or more label free images, and use the one or more label-free images to determine one or more measures of fibrin formation or fibrin removal.