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System for determining validity of lateral flow test result

A technology with lateral flow and effectiveness, applied in biological testing, measuring devices, instruments, etc., can solve the problems of farmers’ uncertainty, the influence of lateral flow rod storage, and the inability to detect low progesterone positively, so as to reduce maintenance and work intensity Effect

Pending Publication Date: 2022-01-14
DELAVAL HLDG AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, a problem that may arise is that the farmer cannot be sure that the results of the lateral flow test are valid
For example, lateral flow rods may be affected by moisture and / or high temperature storage
In cases where the lateral flow stick is defective for some reason, it may not be possible to detect positively for low progesterone in milk samples, resulting in non-detection of animal estrus

Method used

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  • System for determining validity of lateral flow test result
  • System for determining validity of lateral flow test result
  • System for determining validity of lateral flow test result

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Embodiment Construction

[0040] The embodiments of the invention described herein are defined as a system that can be put into practice in the embodiments described below. These embodiments may, however, be illustrated and implemented in many different forms, and are not limited to the examples set forth herein; rather illustrative examples of the embodiments are provided so that this disclosure will be thorough and complete.

[0041] Still other objects and features may become apparent from the following detailed description considered in conjunction with the accompanying drawings. It is to be understood, however, that the drawings are designed for purposes of illustration only and not as a definition of limitations to the embodiments disclosed herein, to which reference is made to the appended claims. In addition, the drawings are not necessarily drawn to scale and, unless otherwise indicated, are intended only to conceptually illustrate the structures and processes described herein.

[0042] figu...

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Abstract

A system (10) for determining validity of a result of a lateral flow test, comprising a lateral flow stick (180a, 180b, 180c). The lateral flow stick (180a, 180b, 180c) comprises a sample pad (310); a conjugate pad (315) comprising antibody treated gold particles; a porous membrane (320) for receiving a capillary flow of the milk sample. The porous membrane (320) comprises: a test line (360) treated with a progesterone reference which binds antibody treated gold particles of the milk sample and thereby brings the test line (360) to change colour tint when exposed for milk comprising a progesterone level lower than a threshold limit; and a control line (370) treated with an antibody reference which binds antibody, and thereby brings the control line (370) to change colour tint when exposed for milk comprising antibody treated gold particles. The system also comprises a sensor (210) and a control unit (150), configured to obtain a reference colour tint (380) of the control line (370); determine a current colour tint of the control line (370), based on the image captured by the sensor (210) during the ongoing lateral flow test; compare the reference colour tint (380) of the control line (370) with the current colour tint of the control line (370); and indicate validity of the lateral flow test on the lateral flow stick (180a, 180b, 180c), based on the made comparison.

Description

technical field [0001] This document discloses a system. More specifically, a system for determining the validity of the results of a lateral flow test performed on a lateral flow stick arranged to indicate progesterone in a milk sample of an animal is described. Background technique [0002] On animal farms it is important to keep animals healthy in order to increase milk / meat production. For example, on dairy farms, it is very important to inseminate animals at the optimum moment in order to successfully inseminate cows. Finding the right moment to inseminate each individual animal on the farm is important for efficiency reasons. In cases where animals are not successfully inseminated, milk production can be affected. [0003] Several biomarker measurements can be performed on animals, such as measuring levels of progesterone, LDH (lactate dehydrogenase), BHB (beta-hydroxybutyrate), and urea. From this important information can be obtained regarding eg estrus detection...

Claims

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Application Information

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IPC IPC(8): G01N33/74
CPCG01N33/74G01N33/558G01N33/743G01N21/8483G01N33/54388G01N33/5302G01N33/04
Inventor C.达勒鲁普拉斯穆森J.特里尔哈尔德
Owner DELAVAL HLDG AB
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