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Related Concept Videos

Blood Typing01:10

Blood Typing

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Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target...
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Blood Types02:20

Blood Types

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Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
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Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

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Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
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Blood Transfusion01:15

Blood Transfusion

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Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
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The ABO Blood Group01:12

The ABO Blood Group

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The ABO blood group system is a critical element of transfusion medicine, essential for determining blood compatibility in transfusions and organ transplants. It is based on specific antigens, or agglutinogens, present on the surface of red blood cells (RBCs) and corresponding antibodies, or agglutinins, in the blood plasma.
Antigens in the ABO Blood Group System
Antigens are substances that can trigger an immune response, leading to the production of antibodies. In the ABO blood group system,...
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Rh Blood Group01:19

Rh Blood Group

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The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
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Author Spotlight: Advancing Protein Glycosylation Research Using a Fully Automated System
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Flipped Quick-Response Code Enables Reliable Blood Grouping.

Hong Zhang1,2, Ruining Liu1, Qingmei Li1,2

  • 1Center of Smart Laboratory and Molecular Medicine, School of Medicine, Chongqing University, Chongqing 400044, People's Republic of China.

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|April 19, 2021
PubMed
Summary

This study introduces a novel FLIPPED platform for rapid, automatic blood typing, accurately identifying weak agglutination. The system uses color changes and QR codes for quick ABO and Rhesus group determination, enhancing clinical diagnostics.

Keywords:
blood groupingimmunologic testsmicrofluidic analytical techniquesoptical imagingquick response code

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Area of Science:

  • Biomedical diagnostics
  • Analytical chemistry
  • Forensic science

Background:

  • Accurate and rapid blood typing is crucial for biomedical and forensic applications.
  • Recognizing weak agglutination in blood samples presents a significant challenge in current methods.

Purpose of the Study:

  • To develop an automated platform for prompt blood group readouts, addressing the challenge of weak agglutination.
  • To integrate colorimetric differentiation with digital data capture for efficient blood typing and cross-matching.

Main Methods:

  • A flipping identification with prompt error-discrimination (FLIPPED) platform was developed.
  • Bromocresol green dye was used as a chromatography indicator to differentiate plasma and whole blood via color change (teal vs. brown).
  • Color changes were encoded into a quick-response (QR) code for automatic ABO and Rhesus typing, with wireless data upload via smartphone.
  • A color correction model and algorithm were implemented to mitigate errors from scanning angles and ambient light, enabling accurate weak agglutination detection.

Main Results:

  • The FLIPPED platform achieved automatic blood group typing (ABO and Rhesus) and wireless data upload within 30 seconds.
  • The color correction model successfully enabled accurate recognition of weak agglutination.
  • The approach demonstrated comparable accuracy and repeatability to classical column assays in grouping 450 blood samples.

Conclusions:

  • The FLIPPED platform offers a versatile, sample-to-result solution for automatic blood typing, overcoming limitations in detecting weak agglutination.
  • This technology has potential applications in clinical diagnostics, food safety, and environmental monitoring.
  • The system's efficiency and accuracy facilitate improved blood cross-matching and broader diagnostic capabilities.