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Related Concept Videos

Blood Typing01:10

Blood Typing

3.5K
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.
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Agarose gel electrophoresis is very useful in separating DNA fragments by size. Running a DNA ladder containing fragments of the known length alongside the sample helps determine the approximate length of the sample DNA fragments. However, additional steps are needed to verify the sequence identity of the sample DNA fragments.
Denatured DNA fragments must be transferred onto a carrier membrane from the gel to make it accessible to a probe - a small ssDNA fragment complementary to the target DNA...
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Related Experiment Video

Updated: Mar 10, 2026

Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds
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A novel method for blood-typing using nitrocellulose.

Parastoo Afshari1, Nabiollah Abolfathi1

  • 1Biomedical Engineering Department, Amirkabir University of Technology, Tehran, Iran.

Biomedical Chromatography : BMC
|December 8, 2016
PubMed
Summary
This summary is machine-generated.

Nitrocellulose membranes offer a simpler, more reliable method for blood typing compared to paper. This new kit improves blood cell separation and fixation, enabling accurate blood type diagnosis even without laboratory access.

Keywords:
blood-typinglow-cost diagnosticmicrofluidicnitrocellulosepaper

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Hematology

Background:

  • Blood cell distribution differs significantly between steady-state and coagulated forms on porous surfaces.
  • Cellulose's hydrophilic nature causes substantial blood cell wicking on paper, complicating blood typing.
  • Nitrocellulose's unique molecular structure facilitates superior separation of coagulated blood cells.

Purpose of the Study:

  • To develop a simpler, more sensitive, and trustworthy blood-typing kit using nitrocellulose.
  • To investigate the efficacy of nitrocellulose membranes for rapid blood type diagnosis.
  • To overcome limitations associated with paper-based blood typing methods.

Main Methods:

  • Sequential absorption of antibodies and blood samples on nitrocellulose strips.
  • Rinsing with isotonic solutions and distilled water, followed by image processing to quantify agglutinated blood cell fixation via red color intensity.
  • Investigation of nitrocellulose's non-wicking properties for blood cell diagnostics.

Main Results:

  • Nitrocellulose enables efficient fixation of agglutinated blood cells, quantified by red color intensity.
  • Rinsing with isotonic and non-isotonic solutions showed no significant difference in fixation, reducing potential errors.
  • Nitrocellulose-based blood typing prototypes demonstrated improved sensitivity and trustworthiness.

Conclusions:

  • Nitrocellulose is a suitable material for developing advanced blood-typing kits.
  • The nitrocellulose blood-typing kit offers a simplified and reliable diagnostic method, especially in resource-limited settings.
  • This approach enhances blood typing accuracy by minimizing errors related to rinsing solutions.