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Related Concept Videos

Centrifugation01:05

Centrifugation

2.2K
Centrifugation is a separation technique based on differences in density or size. It is commonly used to separate solids from aqueous interferents. During centrifugation, the sample is placed in centrifugation tubes and spun at high angular velocity, which allows centrifugal force to act differentially on the different densities or masses of the components. After spinning, the supernatant liquid is decanted. Depending on the specific application, either the pellet or the supernatant is retained...
2.2K
Subcellular Fractionation01:32

Subcellular Fractionation

7.0K
The homogenate obtained after cell lysis contains various membrane-bound organelles that can be further separated into pure fractions by subcellular fractionation. These isolates are used to study specific cellular components, analyze localized protein activity, and are even employed in diagnostics. Fractionation is typically achieved using centrifugation methods, the most common being density-gradient and differential centrifugation.
Differential Centrifugation
Differential centrifugation is...
7.0K
Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

10.8K
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...
10.8K
Blood Transfusion01:15

Blood Transfusion

544
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...
544
Characteristics and Functions of Blood01:26

Characteristics and Functions of Blood

4.3K
Blood is specialized connective tissue comprising about 8% of the body mass. It has a thick, liquid extracellular matrix that contains cells, dissolved proteins, and electrolytes, making it five times more viscous than water. Blood is warm, around 38°C, and has an alkaline pH ranging from 7.35 to 7.45.
The primary function of blood is to transport oxygen and carbon dioxide between tissues and the lungs. Oxygenated blood is bright red, while oxygen-depleted blood is darker. It also carries...
4.3K
Composition of Blood01:22

Composition of Blood

4.6K
The blood in our bodies comprises three major components: blood plasma, formed elements, and the extracellular matrix. Blood plasma is a yellowish fluid that constitutes 55% of the total blood volume. It is primarily made up of water and essential substances such as electrolytes and proteins. Blood plasma serves as a medium for transporting blood cells and also contains nutrients, enzymes, hormones, antibodies, and gases.
Formed elements constitute the remaining 45% of the blood volume. These...
4.6K

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Related Experiment Video

Updated: Jun 25, 2025

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting
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Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Published on: November 30, 2015

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Essential principles for blood centrifugation.

Marc Quirynen1, Sayed Ahmad Manoetjer Siawasch1, Jize Yu1

  • 1Department of Oral Health Sciences, KU Leuven & Dentistry (Periodontology), University Hospitals Leuven, Leuven, Belgium.

Periodontology 2000
|May 23, 2024
PubMed
Summary
This summary is machine-generated.

Autologous platelet concentrates (APCs) enhance tissue regeneration. Optimal preparation, considering centrifugation parameters and patient factors, is crucial for maximizing APC clinical benefits.

Keywords:
CGFL‐PRFPRGFPRPautologous platelet concentratesblood tubescentrifugation protocol

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Preparation of Peripheral Blood Mononuclear Cell Pellets and Plasma from a Single Blood Draw at Clinical Trial Sites for Biomarker Analysis
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Preparation of Peripheral Blood Mononuclear Cell Pellets and Plasma from a Single Blood Draw at Clinical Trial Sites for Biomarker Analysis
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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Hematology

Background:

  • Autologous platelet concentrates (APCs) are widely utilized for soft and hard tissue regeneration.
  • Applications extend beyond oral surgery to include chronic wounds, burns, and dermatological conditions.

Purpose of the Study:

  • To comprehensively analyze the critical factors influencing the preparation and efficacy of APCs.
  • To identify key variables for optimizing APC clinical outcomes.

Main Methods:

  • Detailed examination of blood cell physical properties and centrifugation principles.
  • Analysis of centrifugation protocols, including RPM, g-force, and inter-device variability.
  • Investigation of preparation timing, blood tube materials, anticoagulant use, and patient-specific factors (hematocrit, age, gender).

Main Results:

  • Preparation variables significantly impact the physical properties and biological activity of APCs.
  • Centrifugation parameters (speed, time, force) are critical determinants of APC quality.
  • Patient characteristics also play a role in APC efficacy.

Conclusions:

  • Standardized and optimized centrifugation protocols are essential for predictable APC performance.
  • Understanding the interplay of preparation variables and patient factors is key to successful APC therapy.
  • Further research into optimizing APC preparation can enhance regenerative medicine outcomes.