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Related Concept Videos

Coagulation01:06

Coagulation

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Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
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Rapid Homogeneous Detection of Biological Assays Using Magnetic Modulation Biosensing System
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Application of magnetic bead method in detecting coagulation function.

Jing Lin1, Qixin Li1, Weixuan Li1

  • 1Department of Laboratory Medicine, Foshan First People's Hospital, Foshan, China.

Annals of Palliative Medicine
|November 12, 2021
PubMed
Summary
This summary is machine-generated.

The magnetic bead method automatic coagulation instrument shows superior anti-interference capabilities for jaundice, lipemia, and hemolysis compared to the optical method. This magnetic bead method offers a significant advantage in handling lipemic interference during coagulation testing.

Keywords:
Coagulation functionexaminationmagnetic bead methodoptical method

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Area of Science:

  • Clinical Chemistry
  • Laboratory Medicine
  • Diagnostic Technology

Background:

  • Common blood sample interferences like jaundice, lipemia, and hemolysis significantly affect coagulation test results.
  • Evaluating the anti-interference capacity of different coagulation analysis methods is crucial for accurate diagnostics.

Purpose of the Study:

  • To compare the anti-interference performance of a magnetic bead method (ExC810) and an optical method (CS5100) against common blood sample interferences.
  • To assess the impact of jaundice, lipemia, and hemolysis on key coagulation parameters: prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), and fibrinogen (FIB).

Main Methods:

  • Interference samples were artificially created using bilirubin (jaundice), hemoglobin (hemolysis), and lipids.
  • Control samples were prepared with NaOH and distilled water.
  • Coagulation parameters (PT, APTT, TT, FIB) were measured using both magnetic bead and optical method instruments.

Main Results:

  • The magnetic bead method (ExC810) demonstrated lower overall deviation in PT, APTT, TT, and FIB tests with interfering substances compared to the optical method (CS5100).
  • The optical method (CS5100) failed to detect most coagulation parameters in the presence of lipemic interference.

Conclusions:

  • The magnetic bead method exhibits superior anti-interference capabilities against jaundice, lipemia, and hemolysis in coagulation testing.
  • The magnetic bead method possesses a particularly notable advantage in mitigating lipemic interference.