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JoVE Journal
Immunology and Infection
快速、安全、简便的人工床边核酸提取法检测全血标本中的病毒
快速、安全、简便的人工床边核酸提取法检测全血标本中的病毒
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Rapid, Safe, and Simple Manual Bedside Nucleic Acid Extraction for the Detection of Virus in Whole Blood Samples

快速、安全、简便的人工床边核酸提取法检测全血标本中的病毒

Full Text
7,818 Views
06:59 min
June 30, 2018

DOI: 10.3791/58001-v

Maiken W. Rosenstierne1, Christopher E. Jensen1, Anders Fomsgaard1,2

1Virus Research & Development Laboratory,Statens Serum Institut, 2Infectious Disease Research Unit,University of Southern Denmark

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This article presents a protocol for rapid virus nucleic acid extraction from virus-inactivated whole blood. The method can be performed without laboratory equipment or electricity, making it suitable for use in various settings, including field hospitals.

Key Study Components

Area of Science

  • Virology
  • Diagnostics
  • Clinical Medicine

Background

  • Point of care diagnostics are essential for timely treatment of viral infections.
  • Traditional methods often require laboratory facilities and equipment.
  • This protocol allows for immediate testing in non-traditional settings.
  • Maintaining vacuum in blood collection tubes is critical for successful blood collection.

Purpose of Study

  • To provide a rapid and efficient method for virus nucleic acid extraction.
  • To enable diagnostics in resource-limited environments.
  • To demonstrate the procedure for healthcare professionals.

Methods Used

  • Preparation of blood collection tubes with lysis buffer.
  • Use of a 25 gauge needle and 3ML syringe for blood collection.
  • Direct extraction of nucleic acids from whole blood.
  • Demonstration by medical professionals to ensure proper technique.

Main Results

  • The method is effective for extracting viral nucleic acids.
  • It can be performed in various settings without specialized equipment.
  • Demonstrated ease of use for healthcare providers.
  • Potential to improve patient outcomes through timely diagnostics.

Conclusions

  • This protocol provides a viable solution for rapid viral diagnostics.
  • It addresses the need for accessible testing in emergency situations.
  • Future applications may include broader use in clinical settings.

Frequently Asked Questions

What is the main advantage of this extraction method?
The main advantage is that it can be performed without laboratory equipment and electricity, making it suitable for use in various settings.
Who demonstrates the blood collection procedure?
The procedure is demonstrated by Medical Doctor Anders Fomsgaard and Scientist Morten Rasmussen.
What type of blood collection tube is used?
A 4ML EDTA vacuum tube is used for blood collection.
How much lysis buffer is injected into the blood collection tube?
1.6ML of a commercial lysis buffer is injected into the tube.
Why is maintaining vacuum in the blood collection tube critical?
Maintaining vacuum is essential for successful blood collection and ensuring the integrity of the sample.
Can this method be used in field hospitals?
Yes, this method is designed to be used in field hospitals and other resource-limited environments.

在这里, 我们提出了一个快速病毒核酸提取从病毒灭活全血的协议。萃取是直接在采血管, 不需要设备或电力。该方法不依赖于实验室设施, 可以在任何地方使用 (例如在野战医院)。

这种方法可以在对有病毒感染迹象的患者进行即时诊断时提供帮助。这种技术的主要优点是可以在没有实验室设备和电力的情况下进行,因此可以在医院病房进行。演示采血程序的是来自我实验室的 Anders Fomsgaard 医生和科学家 Morten Rasmussen。

首先准备采血管。使用连接到 3ML 注射器的 25 号 1 英寸针头,将 1.6ML 市售裂解缓冲液注入 4ML EDTA 真空管中。保持采血管中的真空以进行采血至关重要。

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